',$statement->getSubject(),'');
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case OWL_URI.OWL_SAME_AS :
- $infRule=new InfRule();
- $infRule->setTrigger($statement->getSubject(),null,null);
- $infRule->setEntailment($statement->getObject(),'','');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger($statement->getObject(),null,null);
- $infRule->setEntailment($statement->getSubject(),'','');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getSubject(),null);
- $infRule->setEntailment('',$statement->getObject(),'');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getObject(),null);
- $infRule->setEntailment('',$statement->getSubject(),'');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,null,$statement->getSubject());
- $infRule->setEntailment('','',$statement->getObject());
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,null,$statement->getObject());
- $infRule->setEntailment('','
',$statement->getSubject());
- $this->_addInfRule($infRule,$statementPosition);
- break;
- };
- }
-
- /**
- * This function checks, which infrules were added by the statement and
- * removes those.
- *
- * @param object Statement $statement
- * @return integer
- * @access private
- */
- function _removeFromInference($statement)
- {
- $return= array();
- $statementPosition=-1;
- do
- {
- //get the position of the statement that should be removed
- $statementPosition=$this->findFirstMatchOff($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- $statementPosition+1);
- if ($statementPosition!=-1)
- {
- //if it added any rules
- if (isset ($this->statementRuleIndex[$statementPosition]))
- {
- //remove all rules
- foreach ($this->statementRuleIndex[$statementPosition] as $key => $value)
- {
- //remove from Rule-Trigger Index
- if (is_a($this,'InfModelF'))
- {
- $trigger=$this->infRules[$key]->getTrigger();
-
- if(is_a($trigger['s'],'Node'))
- {
- $subjectLabel=$trigger['s']->getLabel();
- } else
- {
- $subjectLabel='null';
- }
- unset ($this->infRulesTriggerIndex['s'][$subjectLabel][array_search($key,$this->infRulesTriggerIndex['s'][$subjectLabel])]);
-
- if(is_a($trigger['p'],'Node'))
- {
- $predicateLabel=$trigger['p']->getLabel();
- } else
- {
- $predicateLabel='null';
- }
- unset ($this->infRulesTriggerIndex['p'][$predicateLabel][array_search($key,$this->infRulesTriggerIndex['p'][$predicateLabel])]);
-
- if(is_a($trigger['o'],'Node'))
- {
- $objectLabel=$trigger['o']->getLabel();
- } else
- {
- $objectLabel='null';
- }
- unset ($this->infRulesTriggerIndex['o'][$objectLabel][array_search($key,$this->infRulesTriggerIndex['o'][$objectLabel])]);
- } else
- //remove from Rule-Entailment Index
- {
- $entailment=$this->infRules[$key]->getEntailment();
-
- if(is_a($entailment['s'],'Node'))
- {
- $subjectLabel=$entailment['s']->getLabel();
- } else
- {
- $subjectLabel='null';
- }
- unset ($this->infRulesEntailIndex['s'][$subjectLabel][array_search($key,$this->infRulesEntailIndex['s'][$subjectLabel])]);
-
-
- if(is_a($entailment['p'],'Node'))
- {
- $predicateLabel=$entailment['p']->getLabel();
- } else
- {
- $predicateLabel='null';
- }
- unset ($this->infRulesEntailIndex['p'][$predicateLabel][array_search($key,$this->infRulesEntailIndex['p'][$predicateLabel])]);
-
- if(is_a($entailment['o'],'Node'))
- {
- $objectLabel=$entailment['o']->getLabel();
- } else
- {
- $objectLabel='null';
- }
- unset ($this->infRulesEntailIndex['o'][$objectLabel][array_search($key,$this->infRulesEntailIndex['o'][$objectLabel])]);
- }
- //remove from statement-Rule Index
- unset ($this->infRules[$key]);
- }
- unset($this->statementRuleIndex[$statementPosition]);
- $return[]=$statementPosition;
- };
- }
-
- } while($statementPosition!=-1);
-
- //return the positions of the statements to be removed OR emty array
- //if nothing was found.
- return $return;
- }
-
- /**
- * Returns a model, containing all Statements, having a Predicate, that
- * is supported by the inference.
- *
- * @return object Model
- * @access public
- */
- function getSchema()
- {
- $res=new MemModel();
- //Search the base-model for all statements, having a Predicate, that
- //is supported by the inference.
- foreach ($this->supportedInference as $inferencePredicateLabel)
- {
- $res->addModel($this->find(null, new Resource($inferencePredicateLabel), null));
- }
- return $res;
- }
-
- /**
- * General method to replace nodes of a MemModel.
- * This function is disabled in the Inference Model.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @access public
- * @throws PhpError
- */
- function replace($subject, $predicate, $object, $replacement)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: replace): This function is disabled in the Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches the regular
- * expression.
- * Returns an empty MemModel if nothing is found.
- *
- * This function is disabled in the Inference Model
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: findRegex):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Returns all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at
- * the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Returns an empty MemModel if nothing is found.
- *
- * This function is disabled in the Inference Model.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @access public
- */
- function findVocabulary($vocabulary)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: findVocabulary):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Adds the URI or NULL to the Infrule trigger or entailment index.
- *
- *
- * @param object infrule $infRule
- * @param integer $infRulePosition
- * @access private
- */
- function _addInfruleToIndex(& $infRule,& $infRulePosition)
- {
- //Add the rule only to the trigger index, if it is a InfFModel
- if (is_a($this,'InfModelF'))
- {
- //get the trigger
- $trigger = $infRule->getTrigger();
- //evaluate and set the index
- if ($trigger['s'] == null)
- {
- $this->infRulesTriggerIndex['s']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['s'][$trigger['s']->getLabel()][]=$infRulePosition;
- };
-
- if ($trigger['p'] == null)
- {
- $this->infRulesTriggerIndex['p']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['p'][$trigger['p']->getLabel()][]=$infRulePosition;
- };
-
- if ($trigger['o'] == null)
- {
- $this->infRulesTriggerIndex['o']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['o'][$trigger['o']->getLabel()][]=$infRulePosition;
- };
- } else
- //add to entailment Index if it is a BModel
- {
- //get the entailment
- $entailment = $infRule->getEntailment();
- //evaluate the entailment and add to index
- if (!is_a($entailment['s'],'Node'))
- {
- $this->infRulesEntailIndex['s']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['s'][$entailment['s']->getLabel()][]=$infRulePosition;
- };
-
- if (!is_a($entailment['p'],'Node'))
- {
- $this->infRulesEntailIndex['p']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['p'][$entailment['p']->getLabel()][]=$infRulePosition;
- };
-
- if (!is_a($entailment['o'],'Node'))
- {
- $this->infRulesEntailIndex['o']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['o'][$entailment['o']->getLabel()][]=$infRulePosition;
- };
- };
- }
-
- /**
- * Searches the trigger-index for a matching trigger and returns an
- * array of infRule positions.
- *
- *
- * @param object infrule $infRule
- * @return array integer
- * @access private
- */
- function _findRuleTriggerInIndex($statement)
- {
- $return=array();
- //a statement's subject matches all triggers with null and the same URI
- $subjectLabel=$statement->getLabelSubject();
- $inIndexS=array();
- if (isset($this->infRulesTriggerIndex['s']['null']))
- $inIndexS=array_values($this->infRulesTriggerIndex['s']['null']);
- if (isset($this->infRulesTriggerIndex['s'][$subjectLabel]))
- $inIndexS= array_merge($inIndexS,array_values($this->infRulesTriggerIndex['s'][$subjectLabel]));
-
- //a statement's predicate matches all triggers with null and the same URI
- $predicateLabel=$statement->getLabelPredicate();
- $inIndexP=array();
- if (isset($this->infRulesTriggerIndex['p']['null']))
- $inIndexP=array_values($this->infRulesTriggerIndex['p']['null']);
- if (isset($this->infRulesTriggerIndex['p'][$predicateLabel]))
- $inIndexP= array_merge($inIndexP,array_values($this->infRulesTriggerIndex['p'][$predicateLabel]));
-
- //a statement's object matches all triggers with null and the same URI
- $objectLabel=$statement->getLabelObject();
- $inIndexO=array();
- if (isset($this->infRulesTriggerIndex['o']['null']))
- $inIndexO=array_values($this->infRulesTriggerIndex['o']['null']);
- if (isset($this->infRulesTriggerIndex['o'][$objectLabel]))
- $inIndexO= array_merge($inIndexO,array_values($this->infRulesTriggerIndex['o'][$objectLabel]));
-
- //if an infrule position occurs in subject, predicate, and object index, add to result array.
- foreach ($inIndexP as $positionP)
- {
- if (in_array($positionP,$inIndexO))
- if (in_array($positionP,$inIndexS))
- $return[]=$positionP;
- }
- return $return;
- }
-
- /**
- * Searches the Entailment-index for a matching Entailment and returns an
- * array of infRule positions.
- *
- *
- * @param node or null $subject
- * @param node or null $predicate
- * @param node or null $object
- * @return array integer
- * @access private
- */
- function _findRuleEntailmentInIndex($subject,$predicate,$object)
- {
- $return=array();
- //a node matches all entailments with NULL or a matching URI
- if(is_a($subject,'Node'))
- {
- $subjectLabel=$subject->getLabel();
- $inIndexS=array();
- if (isset($this->infRulesEntailIndex['s']['null'])) $inIndexS=array_values($this->infRulesEntailIndex['s']['null']);
- if (isset($this->infRulesEntailIndex['s'][$subjectLabel])) $inIndexS= array_merge($inIndexS,array_values($this->infRulesEntailIndex['s'][$subjectLabel]));
- } else
- //if the subject search pattern is NULL, every rule will match the subject search patter
- {
- $inIndexS=array_keys($this->infRules);
- }
-
- if(is_a($predicate,'Node'))
- {
- $predicateLabel=$predicate->getLabel();
- $inIndexP=array();
- if (isset($this->infRulesEntailIndex['p']['null'])) $inIndexP=array_values($this->infRulesEntailIndex['p']['null']);
- if (isset($this->infRulesEntailIndex['p'][$predicateLabel])) $inIndexP= array_merge($inIndexP,array_values($this->infRulesEntailIndex['p'][$predicateLabel]));
- } else
- {
- $inIndexP=array_keys($this->infRules);
- }
-
- if(is_a($object,'Node'))
- {
- $objectLabel=$object->getLabel();
- $inIndexO=array();
- if (isset($this->infRulesEntailIndex['o']['null'])) $inIndexO=array_values($this->infRulesEntailIndex['o']['null']);
- if (isset($this->infRulesEntailIndex['o'][$objectLabel])) $inIndexO= array_merge($inIndexO,array_values($this->infRulesEntailIndex['o'][$objectLabel]));
- } else
- {
- $inIndexO=array_keys($this->infRules);
- }
-
- //if an infrule position occurs in subject, predicate, and object index, add to result array.
- foreach ($inIndexP as $positionP)
- {
- if (in_array($positionP,$inIndexO))
- if (in_array($positionP,$inIndexS))
- $return[]=$positionP;
- }
- return $return;
- }
-
- /**
- * Adds an InfRule to the InfModel.
- * $statementPosition states the positiion of the statement, that created
- * this rule, in the model->triples array.
- *
- *
- * @param object Infrule $infRule
- * @param integer $statementPosition
- * @access private
- */
- function _addInfRule($infRule, $statementPosition)
- {
- //add the rule
- $this->infRules[]=$infRule;
- //get the position of the added rule in the model
- end($this->infRules);
- $rulePosition=key($this->infRules);
- //add the information to the index, that this statement
- //added this rule.
- $this->statementRuleIndex[$statementPosition][$rulePosition]=true;
- //add informations to index over trigger & entailment
- $this->_addInfruleToIndex($infRule,$rulePosition);
- }
- }
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelB.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelB.php.svn-base
deleted file mode 100755
index 1abaa989..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelB.php.svn-base
+++ /dev/null
@@ -1,515 +0,0 @@
-
-
-*
-* @package infModel
-* @access public
-**/
-
-class InfModelB extends InfModel
-{
-
- /**
- * Array that holds combinations of inference rules with distinct
- * find-querys, that don't lead to any inference.
- *
- * @var array
- * @access private
- */
- var $findDeadEnds;
-
-
- /**
- * Constructor
- * You can supply a base_uri
- *
- * @param string $baseURI
- * @access public
- */
- function InfModelB($baseURI = null)
- {
- parent::InfModel($baseURI);
- $this->findDeadEnds=array();
- }
-
- /**
- * Adds a new triple to the Model without checking, if the statement
- * is already in the Model. So if you want a duplicate free Model use
- * the addWithoutDuplicates() function (which is slower then add())
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement)
- {
- parent::add($statement);
- //Reset the found dead-ends.
- $this->findDeadEnds=array();
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- * Returns an empty MemModel if nothing is found.
- * To improve the search speed with big Models, call index(INDEX_TYPE)
- * before seaching.
- *
- * It recursively searches in the statements and rules to find
- * matching statements.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
- function find($subject,$predicate,$object)
- {
- $searchStringIndex=array();
- $resultModel=new MemModel();
-
- //add all infered statements without duplicates to the result model
- foreach ($this->_infFind($subject,$predicate,$object,array())as $statement)
- {
- $resultModel->addWithoutDuplicates($statement);
- };
- return $resultModel;
- }
-
- /**
- * This is the main inference method of the InfModelB
- * The algorithm works as follows:
- * Find all statements in the base model, that matches the current
- * find-query.
- * Check all rules, if they are able to deliver infered statements,
- * that match the current find-query. Don't use rules with queries,
- * that lead to dead-ends and don't use a rule-query-combination that
- * was used before in this branch (ontology loops).
- * If a rule is possible do deliver such statements, get a new
- * find-query, that is possible to find those statements, that are able
- * to trigger this rule.
- * Call this _infFind method wirh the new find-query and entail the
- * resulting statements.
- * If this rule, wasn't able to return any statements with this distinct
- * query, add this combination to the dead-ends.
- * Return the statements from the base triples and those, which were infered.
- *
- * If $findOnlyFirstMatching is set to true, only the first match in
- * the base-statements is entailed an returned (used in contains() and
- * findFirstMatchingStatement() methods).
- *
- * You can set an offset to look for the first matching statement by setting the
- * $offset var.
- *
- * It recursively searches in the statements and rules to find matching
- * statements
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param array $searchStringIndex
- * @param boolean $findOnlyFirstMatching
- * @param integer $offset
- * @param integer $resultCount
- * @return object array Statements
- * @access private
- */
- function _infFind ($subject,$predicate,$object, $searchStringIndex, $findOnlyFirstMatching = false, $offset = 0,$resultCount = 0 )
- {
- $return=array();
- //Find all matching statements in the base statements
- $findResult=parent::find($subject,$predicate,$object);
- //For all found statements
- foreach ($findResult->triples as $statement)
- {
- $return[]=$statement;
- $resultCount++;
-
- //Return, if only the firstMatchingStatement was wanted
- if ($findOnlyFirstMatching && $resultCount > $offset)
- return $return;
- };
-
- //Don't infer statements about the schema (rdfs:subClass, etc..)
- //is false
- if ($predicate == null ||
- (is_a($predicate,'Node') &&
- !in_array($predicate->getLabel(),$this->supportedInference))
- )
- //Check only Rules, that the EntailmentIndex returned.
- foreach ($this->_findRuleEntailmentInIndex($subject,$predicate,$object) as $ruleKey)
- {
- $infRule=$this->infRules[$ruleKey];
- $serializedRuleStatement=$ruleKey.serialize($subject).serialize($predicate).serialize($object);
- //If it is to ontology loop and no dead-end
- if (!in_array($serializedRuleStatement, $searchStringIndex) &&
- !in_array($serializedRuleStatement, $this->findDeadEnds))
- {
- //Keep this distinct rule query cobination for
- //this branch to detect loops
- $searchStringIndex[]=$serializedRuleStatement;
-
- //If the rule is able to deliver statements that match
- //this query
- if ($infRule->checkEntailment($subject,$predicate,$object))
- {
- //Get a modified find-query, that matches statements,
- //that trigger this rule
- $modefiedFind=$infRule->getModifiedFind($subject,$predicate,$object);
- //Call this method with the new find-query
- $infFindResult=$this->_infFind($modefiedFind['s'],
- $modefiedFind['p'],
- $modefiedFind['o'],
- $searchStringIndex,
- $findOnlyFirstMatching,
- $offset,
- $resultCount) ;
- //If it deliverd statements that matches the trigger
- if (isset($infFindResult[0]))
- {
- foreach ($infFindResult as $statement)
- {
- //Entail the statements and check, if they are not about the
- //ontology
- $newStatement=$infRule->entail($statement);
- if (!in_array($newStatement->getLabelPredicate(),$this->supportedInference))
- //Check if, the entailed statements are, what we are looking for
- if($this->_nodeEqualsFind($subject,$newStatement->getSubject()) &&
- $this->_nodeEqualsFind($predicate,$newStatement->getPredicate()) &&
- $this->_nodeEqualsFind($object,$newStatement->getObject() ) )
- {
- //Add to results
- $return[]=$newStatement;
- $resultCount++;
-
- //or return at once
- if ($findOnlyFirstMatching && $resultCount > $offset)
- return $return;
- }
- }
- } else
- {
- //If there were no results of the rule-query-combination,
- //mark this combination as a dead-end.
- $this->findDeadEnds[]=$serializedRuleStatement;
- }
- }
- }
- }
- //Return the array of the found statements
- return $return;
- }
-
- /**
- * Tests if the Model contains the given triple.
- * TRUE if the triple belongs to the Model;
- * FALSE otherwise.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement)
- {
- //throws an error, if $statement is not of class Statement
- if(!is_a($statement,'Statement'))
- trigger_error(RDFAPI_ERROR . '(class: InfModelB; method: contains):
- $statement has to be object of class Statement', E_USER_ERROR);
-
- //Call the _infFind method, but let it stop, if it finds the first match.
- if (count( $this->_infFind($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- array(),true) ) >0)
- {
- return true;
- } else
- {
- return false;
- };
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement of the MemModel where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search for. Default = 0
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = 0)
- {
- //Call the _infFind method, but let it stop, if it finds the
- //first match.
- $res= $this->_infFind($subject,$predicate,$object,array(),true,$offset);
-
- if (isset($res[$offset]))
- {
- return $res[$offset];
- } else
- {
- return NULL;
- };
- }
-
- /**
- * Returns a StatementIterator for traversing the Model.
- *
- * @access public
- * @return object StatementIterator
- */
- function & getStatementIterator()
- {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- // Gets a MemModel by executing a find(null,null,null) to get a
- //inferable statements.
- // WARNING: might be slow
- return new StatementIterator($this->getMemModel());
- }
-
- /**
- * Number of all inferable triples in the Model.
- * WARNING: uses a find(null,null,null) to find all statements! (might take a while)
- *
- * @param boolean
- * @return integer
- * @access public
- */
- function size()
- {
- // Gets a MemModel by executing a find(null,null,null) to get a
- //inferable statements.
- // WARNING: might be slow
- $res = $this->getMemModel();
- return $res->size();
- }
-
- /**
- * Create a MemModel containing all the triples (including inferred
- * statements) of the current InfModelB.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel()
- {
-
- $return=$this->find(null,null,null);
- $return->setBaseURI($this->baseURI);
- $return->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Create a MemModel containing only the base triples (without inferred
- * statements) of the current InfModelB.
- *
- * @return object MemModel
- * @access public
- */
- function & getBaseMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $statement)
- $return->add($statement);
-
- $retun->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Short Dump of the InfModelB.
- *
- * @access public
- * @return string
- */
- function toString()
- {
- return 'InfModelB[baseURI=' . $this->getBaseURI() . '; size=' . $this->size(true) . ']';
- }
-
- /**
- * Dumps of the InfModelB including ALL inferable triples.
- *
- * @access public
- * @return string
- */
- function toStringIncludingTriples()
- {
- $dump = $this->toString() . chr(13);
- $stateIt=new StatementIterator($this->find(null,null,null));
- while($statement=$stateIt->next())
- {
- $dump .= $statement->toString() . chr(13);
- }
- return $dump;
- }
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the full InfModelB
- * (including inferred triples) to a file.
- * You can decide to which format the model should be serialized by
- * using a corresponding suffix-string as $type parameter. If no $type
- * parameter is placed this method will serialize the model to XML/RDF
- * format.
- * Returns FALSE if the InfModelB couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf')
- {
-
- $memmodel=$this->getMemModel();
- return $memmodel->saveAs($filename, $type);
- }
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples as HTML.
- *
- * @access public
- */
- function writeAsHtml()
- {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this->getMemModel());
- $rdf = htmlspecialchars($rdf, ENT_QUOTES);
- $rdf = str_replace(' ', ' ', $rdf);
- $rdf = nl2br($rdf);
- echo $rdf;
- }
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable()
- {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- RDFUtil::writeHTMLTable($this->getMemModel());
- }
-
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples.
- *
- * @access public
- * @return string
- */
- function writeRdfToString()
- {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this->getMemModel());
- return $rdf;
- }
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- if (parent::contains($statement))
- {
- if (in_array($statement->getLabelPredicate(),$this->supportedInference));
- while (count($this->_removeFromInference($statement))>0);
-
- $this->findDeadEnds=array();
- return parent::remove($statement);
- } else
- {
- return false;
- }
- }
-
- /**
- * Checks, if a single node matches a single find pattern.
- * TRUE if the node matches.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model.
- *
- * @param object Statement $statement
- * @return boolean
- * @access private
- */
- function _nodeEqualsFind(& $find, $node)
- {
- //If the find pattern is a node, use the nodes equal-method and
- //return the result.
- if (is_a($find,'Node'))
- return $node->equals($find);
-
- //Null-pattern matches anything.
- if ($find == null)
- {
- return true;
- } else
- {
- return false;
- }
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * Disabled in InfModelB.
- *
- * @access public
- * @return object FindIterator
- */
- function & findAsIterator($sub=null,$pred=null,$obj=null) {
- $errmsg = RDFAPI_ERROR . '(class: InfModelB; method: findAsIterator):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelF.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelF.php.svn-base
deleted file mode 100755
index fe74c85e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelF.php.svn-base
+++ /dev/null
@@ -1,406 +0,0 @@
-
-
-*
-* @package infModel
-* @access public
-**/
-
-class InfModelF extends InfModel
-{
-
- /**
- * Array that holds the position of the infered statements in the model.
- *
- * @var array
- * @access private
- */
- var $infPos;
-
-
- /**
- * Variable that influences the habbit when adding statements.
- * Used by the loadModel method to increase performance.
- *
- * @var boolean
- * @access private
- */
- var $inferenceEnabled;
-
-
- /**
- * Constructor
- * You can supply a base_uri.
- *
- * @param string $baseURI
- * @access public
- */
- function InfModelF($baseURI = NULL)
- {
- parent::InfModel($baseURI);
- $this->infPos=array();
- $this->inferenceEnabled=true;
- }
-
- /**
- * Adds a new triple to the MemModel without checking if the statement
- * is already in the MemModel.
- * So if you want a duplicate free MemModel use the addWithoutDuplicates()
- * function (which is slower then add())
- * The statement is infered and all entailed statements are added.
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add ($statement)
- {
- parent::add($statement);
- if ($this->inferenceEnabled)
- {
- foreach ($this->entailStatement($statement) as $state)
- {
- //a addWithoutDublicates construct
- if(!$this->contains($state))
- {
-
- parent::add($state);
- //save the position of the infered statements
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- //apply the complete inference to the model, if the added statement was able to add a rule
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- $this->applyInference();
- }
- }
-
-
- /**
- * Checks if a new statement is already in the MemModel and adds
- * the statement, if it is not in the MemModel.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- * The statement is infered and all entailed statements are added.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates(& $statement)
- {
- if(!$this->contains($statement))
- {
- parent::add($statement);
- if ($this->inferenceEnabled)
- {
- foreach ($this->entailStatement($statement) as $statement)
- {
- if(!$this->contains($statement))
- {
- parent::add($statement);
- //save the position of the infered statements
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- $this->applyInference();
- }
- return true;
- }
- return false;
- }
-
-
-
- /**
- * Entails every statement and adds the entailments if not already
- * in the model.
- *
- * @access private
- */
- function applyInference()
- {
- //check every statement in the model
- foreach ($this->triples as $statement)
- {
- //gat all statements, that it recursively entails
- foreach ($this->entailStatement($statement) as $statement)
- {
- if (!$this->contains($statement))
- {
- parent::add($statement);
- //add the InfStatement position to the index
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- };
- }
-
-
- /**
- * Entails a statement by recursively using the _entailStatementRec
- * method.
- *
- * @param object Statement $statement
- * @return array of statements
- * @access public
- */
- function entailStatement (& $statement)
- {
- $infStatementsIndex=array();
- return $this->_entailStatementRec($statement,$infStatementsIndex);
- }
-
- /**
- * Recursive method, that checks the statement with the trigger of
- * every rule. If the trigger matches and entails new statements,
- * those statements are recursively infered too.
- * The $infStatementsIndex array holds lready infered statements
- * to prevent infinite loops.
- *
- *
- * @param object Statement $statement
- * @param array $infStatementsIndex
- * @return array of statements
- * @access private
- */
- function _entailStatementRec ( $statement,& $infStatementsIndex)
- {
- $infStatements = array();
- $return = array();
-
- //dont entail statements about the supported inference-schema
- if (!in_array($statement->getLabelPredicate(),$this->supportedInference))
- {
- //check only the rules, that were returned by the index
- foreach ($this->_findRuleTriggerInIndex($statement) as $key )
- {
- $infRule=$this->infRules[$key];
-
- $stateString=$key.serialize($statement);
- //If the statement wasn't infered before
- if (!in_array($stateString,$infStatementsIndex))
- {
- $infStatementsIndex[]=$stateString;
- //Check, if the Statements triggers this rule
- if($infRule->checkTrigger($statement))
- {
- $infStatement=$infRule->entail($statement);
- #if(!$this->contains($infStatement))
- {
- $return[]=$infStatement;
- $return=array_merge($return,
- $this->_entailStatementRec($infStatement,
- $infStatementsIndex));
- };
-
- };
- };
- };
- };
- return $return;
- }
-
- /**
- * Removes all infered statements from the model but keeps the
- * infernece rules.
- *
- * @access public
- */
- function removeInfered()
- {
- $indexTmp=$this->indexed;
- $this->index(-1);
- foreach ($this->infPos as $key)
- {
- unset($this->triples[$key]);
- };
- $this->infPos=array();
- $this->index($indexTmp);
- }
-
-
- /**
- * Load a model from a file containing RDF, N3 or N-Triples.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string
- * ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to
- * this DbModel.
- *
- * While loading the model, the inference entailing is disabled, but
- * new inference rules are added to increase performance.
- *
- * @param string $filename
- * @param string $type
- * @access public
- */
- function load($filename, $type = NULL)
- {
- //Disable entailing to increase performance
- $this->inferenceEnabled=false;
- parent::load($filename, $type);
- //Enable entailing
- $this->inferenceEnabled=true;
- //Entail all statements
- $this->applyInference();
- }
-
- /**
- * Short Dump of the InfModelF.
- *
- * @access public
- * @return string
- */
- function toString() {
- return 'InfModelF[baseURI=' . $this->getBaseURI() . ';
- size=' . $this->size(true) . ']';
- }
-
- /**
- * Create a MemModel containing all the triples (including inferred
- * statements) of the current InfModelF.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $statement)
- $return->add($statement);
-
- $return->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Create a MemModel containing only the base triples
- * (without inferred statements) of the current InfModelF.
- *
- * @return object MemModel
- * @access public
- */
- function getBaseMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $key => $statement)
- if (!in_array($key,$this->infPos))
- $return->add($statement);
- $retun->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- //If the statement is in the model
- if($this->contains($statement))
- {
- $inferenceRulesWereTouched=false;
- //If the statement was able to add inference rules
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- {
- $statementPositions=$this->_removeFromInference($statement);
- $inferenceRulesWereTouched=true;
- } else
- //get the position of all matching statements
- {
- $statementPositions=array();
- //find the positions of the statements
- $statementPosition=-1;
- do
- {
-
- $statementPosition =
- $this->findFirstMatchOff($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- $statementPosition+1);
-
- if ($statementPosition!=-1)
- $statementPositions[]=$statementPosition;
-
- } while ($statementPosition != -1);
- }
-
- //remove matching statements
- parent::remove($statement);
- foreach ($statementPositions as $statementPosition)
- {
- //if the statement was infered, remove it from the index of the infered statements.
- if (in_array($statementPosition,$this->infPos))
- unset ($this->infPos[$statementPosition]);
- }
- if ($inferenceRulesWereTouched)
- {
- //remove the statement and re-entail the model
- $this->removeInfered();
- $this->applyInference();
- }
- return true;
- } else
- {
- return false;
- }
- }
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model)
- {
- //Disable entailing to increase performance
- $this->inferenceEnabled=false;
- parent::addModel($model);
- //Enable entailing
- $this->inferenceEnabled=true;
- //Entail all statements
- $this->applyInference();
- }
-};
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelP.php.svn-base
deleted file mode 100755
index 7fefd7f0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfModelP.php.svn-base
+++ /dev/null
@@ -1,19 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include InfModel classes
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfRule.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfStatement.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModelB.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModelF.php');
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfRule.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfRule.php.svn-base
deleted file mode 100755
index eac153b7..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfRule.php.svn-base
+++ /dev/null
@@ -1,343 +0,0 @@
-
-
- *
- * @package infModel
- * @access public
- **/
-
-class InfRule
-{
-
- /**
- * Array, that hold the trigger subject in key ['s'], the trigger
- * predicate in ['p'], and the trigger object in ['o'].
- * The array values can be NULL to match anything or be a node that
- * has to be matched.
- *
- * @var array
- * @access private
- */
- var $trigger;
-
- /**
- * Array, that hold the entailment subject in key ['s'], the
- * entailment predicate in ['p'], and the entailment object in ['o'].
- * The array values can be a node that will be inserted in the
- * returning statement, or '' to insert the subject,'
' to insert
- * the predicate, or '' to insert the object of the checked statement
- * to this position in the new returned statement.
- *
- * @var array
- * @access private
- */
- var $entailment;
-
-
- /**
- * Constructor
- *
- *
- * @access public
- */
- function infRule()
- {
- //initialising vars
- $this->trigger=array();
- $this->entailment=array();
- }
-
- /**
- * Sets the trigger of this rule
- * The values can be NULL to match anything or be a node that has to
- * be matched.
- *
- * @param object Node OR NULL $subject
- * @param object Node OR NULL $predicate
- * @param object Node OR NULL $object
- * @access public
- * @throws PhpError
- */
- function setTrigger ($subject, $predicate, $object)
- {
- //throw an error if subject, predicate, or object are neither
- //node, nor null.
- if(!is_a($subject,'Node') && $subject != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $subject has to be null or of class Node'
- , E_USER_ERROR);
- if(!is_a($predicate,'Node') && $predicate != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $predicate has to be null or of class Node'
- , E_USER_ERROR);
- if(!is_a($object,'Node') && $object != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $object has to be null or of class Node'
- , E_USER_ERROR);
-
- //set the trigger
- $this->trigger['s']=$subject;
- $this->trigger['p']=$predicate;
- $this->trigger['o']=$object;
- }
-
- /**
- * Sets the entailment of this rule
- * The values can be NULL to match anything or be a node that has to
- * be matched.
- *
- * @param object Node OR NULL $subject
- * @param object Node OR NULL $predicate
- * @param object Node OR NULL $object
- * @access public
- * @throws PhpError
- */
- function setEntailment($subject,$predicate,$object)
- {
- //throw an error if subject, predicate, or object are neither node,
- //nor ,,.
- if(!is_a($subject,'Node') && !ereg('<[spo]>', $subject))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $subject has to be ,,or or of class Node'
- , E_USER_ERROR);
- if(!is_a($predicate,'Node') && !ereg('<[spo]>', $predicate))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $predicate has to be ,,or or of class Node'
- , E_USER_ERROR);
- if(!is_a($object,'Node') && !ereg('<[spo]>', $object))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $object has to be ,,or or of class Node'
- , E_USER_ERROR);
-
- $this->entailment['s']=$subject;
- $this->entailment['p']=$predicate;
- $this->entailment['o']=$object;
- }
-
- /**
- * Checks, if the statement satisfies the trigger.
- *
- * @param object Statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function checkTrigger(& $statement)
- {
- //is true, if the trigger is null to match anything
- //or equals the statement's subject
- $shouldFireS = $this->trigger['s'] == null ||
- $this->trigger['s']->equals($statement->getSubject());
-
- //is true, if the trigger is null to match anything
- //or equals the statement's predicate
- $shouldFireP = $this->trigger['p'] == null ||
- $this->trigger['p']->equals($statement->getPredicate());
-
- //is true, if the trigger is null to match anything
- //or equals the statement's object
- $shouldFireO = $this->trigger['o'] == null ||
- $this->trigger['o']->equals($statement->getObject());
-
- //returns true, if ALL are true
- return $shouldFireS && $shouldFireP && $shouldFireO;
- }
-
- /**
- * Checks, if this rule could entail a statement that matches
- * a find of $subject,$predicate,$object.
- *
- * @param object Statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function checkEntailment ($subject, $predicate, $object)
- {
- //true, if $subject is null, the entailment's subject matches
- //anything, or the $subject equals the entailment-subject.
- $matchesS= $subject == null ||
- !is_a($this->entailment['s'],'Node') ||
- $this->entailment['s']->equals($subject);
-
- //true, if $predicate is null, the entailment's predicate matches
- //anything, or the $predicate equals the entailment-predicate.
- $matchesP= $predicate == null ||
- !is_a($this->entailment['p'],'Node') ||
- $this->entailment['p']->equals($predicate);
-
- //true, if $object is null, the entailment's object matches
- //anything, or the $object equals the entailment-object.
- $matchesO= $object == null ||
- !is_a($this->entailment['o'],'Node') ||
- $this->entailment['o']->equals($object);
-
- //returns true, if ALL are true
- return $matchesS && $matchesP && $matchesO;
- }
-
- /**
- * Returns a infered InfStatement by evaluating the statement with
- * the entailment rule.
- *
- * @param object Statement
- * @return object InfStatement
- * @access public
- * @throws PhpError
- */
- function entail(& $statement)
- {
- //if the entailment's subject is ,,or , put the statements
- //subject,predicate,or object into the subject of the
- //entailed statement. If the entailment's subject is a node,
- //add that node to the statement.
- switch ($this->entailment['s'])
- {
- case '':
- $entailedSubject=$statement->getSubject();
- break;
- case '':
- $entailedSubject=$statement->getPredicate();
- break;
- case '':
- $entailedSubject=$statement->getObject();
- break;
- default:
- $entailedSubject=$this->entailment['s'];
- };
-
- //if the entailment's predicate is ,,or , put the
- //statements subject,predicate,or object into the predicate of
- //the entailed statement. If the entailment's predicate is a node,
- //add that node to the statement.
- switch ($this->entailment['p'])
- {
- case '':
- $entailedPredicate=$statement->getSubject();
- break;
- case '':
- $entailedPredicate=$statement->getPredicate();
- break;
- case '':
- $entailedPredicate=$statement->getObject();
- break;
- default:
- $entailedPredicate=$this->entailment['p'];
- };
-
- //if the entailment's object is ,,or , put the
- //statements subject,predicate,or object into the object of
- //the entailed statement. If the entailment's object is a node,
- //add that node to the statement.
- switch ($this->entailment['o'])
- {
- case '':
- $entailedObject=$statement->getSubject();
- break;
- case '':
- $entailedObject=$statement->getPredicate();
- break;
- case '':
- $entailedObject=$statement->getObject();
- break;
- default:
- $entailedObject=$this->entailment['o'];
- };
-
- //return the infered statement
- return (new InfStatement($entailedSubject,$entailedPredicate,$entailedObject));
- }
-
- /**
- * Returns a find-query that matches statements, whose entailed
- * statements would match the supplied find query.
- *
- * @param Node OR null $subject
- * @param Node OR null $predicate
- * @param Node OR null $object
- * @return array
- * @access public
- * @throws PhpError
- */
- function getModifiedFind( $subject, $predicate, $object)
- {
- $findSubject=$this->trigger['s'];
- $findPredicate=$this->trigger['p'];
- $findObject=$this->trigger['o'];
-
- switch ($this->entailment['s'])
- {
- case '':
- $findSubject=$subject;
- break;
- case '':
- $findPredicate=$subject;
- break;
- case '':
- $findObject=$subject;
- break;
- };
-
- switch ($this->entailment['p'])
- {
- case '':
- $findSubject=$predicate;
- break;
- case '':
- $findPredicate=$predicate;
- break;
- case '':
- $findObject=$predicate;
- break;
- };
-
- switch ($this->entailment['o'])
- {
- case '':
- $findSubject=$object;
- break;
- case '':
- $findPredicate=$object;
- break;
- case '':
- $findObject=$object;
- break;
- };
-
- return array('s' => $findSubject,
- 'p' => $findPredicate,
- 'o' => $findObject );
- }
-
- function getTrigger()
- {
- return array ( 's' => $this->trigger['s'],
- 'p' => $this->trigger['p'],
- 'o' => $this->trigger['o'],
- );
- }
-
- function getEntailment()
- {
- return array ( 's' => $this->entailment['s'],
- 'p' => $this->entailment['p'],
- 'o' => $this->entailment['o'],
- );
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfStatement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfStatement.php.svn-base
deleted file mode 100755
index 7ea84ad7..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/.svn/text-base/InfStatement.php.svn-base
+++ /dev/null
@@ -1,18 +0,0 @@
-
- * @version $Id$
- * @package infModel
- */
-class InfStatement extends Statement {
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModel.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModel.php
deleted file mode 100755
index bc1576ab..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModel.php
+++ /dev/null
@@ -1,678 +0,0 @@
-
- *
- * @package infModel
- * @access public
- */
-
-class InfModel extends MemModel
-{
- /**
- * Array that holds the objects of the class Infrule,
- * which were assigned by the _addToInference() function
- *
- * @var array
- * @access private
- */
- var $infRules;
-
- /**
- * Array of URI-Strings that produces Infrules.
- *
- * @var array
- * @access private
- */
- var $supportedInference;
-
- /**
- * Array of the connection between the infrules and the statement
- * that assigned those rules.
- * array[2][3]=true;array[2][5]=true means, that statement 2
- * assigned rule 3 & 5 to the model.
- *
- * @var array
- * @access private
- */
- var $statementRuleIndex;
-
- /**
- * Array of the infRule triggers and the matching infrules.
- * $this->infRulesTriggerIndex['s'] for subject index, ['p'] for predicates,
- * and ['o'] for objects.
- *
- * @var array
- * @access private
- */
- var $infRulesTriggerIndex;
-
- /**
- * Array of the infRule entailments and the matching infrules.
- * $this->infRulesEntailIndex['s'] for subject index, ['p'] for predicates,
- * and ['o'] for objects.
- *
- * @var array
- * @access private
- */
- var $infRulesEntailIndex;
-
-
-
- /**
- * Constructor
- * You can supply a base_uri
- *
- * @param string $baseURI
- * @access public
- */
- function InfModel ($baseURI = NULL)
- {
- //call the memmodel constructor method
- parent::MemModel($baseURI);
- //initialise vars
- $this->infRulesTriggerIndex['s']=array();
- $this->infRulesTriggerIndex['p']=array();
- $this->infRulesTriggerIndex['o']=array();
- $this->infRulesEntailIndex['s']=array();
- $this->infRulesEntailIndex['p']=array();
- $this->infRulesEntailIndex['o']=array();
- $this->infRules=array();
- $this->statementRuleIndex = array();
- //arraylist of predicate labels that shall add inference rules
- //to the model
- //The constants, wich statements will create rules can be configured in constants.php
- if (INF_RES_SUBCLASSOF)
- $this->supportedInference[] = RDF_SCHEMA_URI.RDFS_SUBCLASSOF;
-
- if (INF_RES_SUBPROPERTYOF)
- $this->supportedInference[] = RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF;
-
- if (INF_RES_RANGE)
- $this->supportedInference[] = RDF_SCHEMA_URI.RDFS_RANGE;
-
- if (INF_RES_DOMAIN)
- $this->supportedInference[] = RDF_SCHEMA_URI.RDFS_DOMAIN;
-
- if (INF_RES_OWL_SAMEAS)
- $this->supportedInference[] = OWL_URI.OWL_SAME_AS;
-
- if (INF_RES_OWL_INVERSEOF)
- $this->supportedInference[] = OWL_URI.OWL_INVERSE_OF;
-
- //Rule: rdfs12
- if (INF_RES_RULE_RDFS12)
- {
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),new Resource(RDF_SCHEMA_URI.'ContainerMembershipProperty'));
- $infRule->setEntailment('',new Resource(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF),new Resource(RDF_SCHEMA_URI.'member'));
- $this->_addInfRule($infRule,'base');
- }
-
- //Rule: rdfs6
- if (INF_RES_RULE_RDFS6)
- {
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),new Resource(RDF_NAMESPACE_URI.RDF_PROPERTY));
- $infRule->setEntailment('',new Resource(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF),'');
- $this->_addInfRule($infRule,'base');
- }
-
- //Rule: rdfs8
- if (INF_RES_RULE_RDFS8)
- {
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),new Resource(RDF_SCHEMA_URI.RDFS_CLASS));
- $infRule->setEntailment('',new Resource(RDF_SCHEMA_URI.RDFS_SUBCLASSOF),new Resource(RDF_SCHEMA_URI.RDFS_RESOURCE));
- $this->_addInfRule($infRule,'base');
-
- }
-
- //Rule: rdfs10
- if (INF_RES_RULE_RDFS10)
- {
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),new Resource(RDF_SCHEMA_URI.RDFS_CLASS));
- $infRule->setEntailment('',new Resource(RDF_SCHEMA_URI.RDFS_SUBCLASSOF),'');
- $this->_addInfRule($infRule,'base');
- }
-
- //Rule: rdfs13
- if (INF_RES_RULE_RDFS13)
- {
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),new Resource(RDF_SCHEMA_URI.RDFS_DATATYPE));
- $infRule->setEntailment('',new Resource(RDF_SCHEMA_URI.RDFS_SUBCLASSOF),new Resource(RDF_SCHEMA_URI.RDFS_LITERAL));
- $this->_addInfRule($infRule,'base');
- }
-
- }
-
- /**
- * Adds a new triple to the Model without checking if the statement
- * is already in the Model.
- * So if you want a duplicate free MemModel use the addWithoutDuplicates()
- * function (which is slower then add())
- * If the statement's predicate label is supported by the inference,
- * the matching rules are added.
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement)
- {
- parent::add($statement);
- //if the predicate is supported by the inference
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- {
- $this->_addToInference($statement);
- };
- }
-
- /**
- * This function analyses the statement's predicate and adds the
- * matching infrule to the model.
- *
- * @param object Statement $statement
- * @access private
- */
- function _addToInference($statement)
- {
- $predicateLabel=$statement->getLabelPredicate();
- //get the position of the the statement in the model
- end($this->triples);
- $statementPosition=key($this->triples);
-
- switch ($predicateLabel)
- {
- case RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF :
- //create a new rule
- $infRule=new InfRule();
- //set the trigger to match all statements, having a
- //predicate, that matches the subject of the statement that
- //created this rule.
- $infRule->setTrigger(null,$statement->getSubject(),null);
- //set the infrule to return a statement, having the same
- //subject and object as the statement, that asked for an
- //entailment, and having the object of the statement,
- //that created this rule as predicate.
- $infRule->setEntailment('',$statement->getObject(),'');
- //add the infule to Model, Statement/Rule-Index,
- //and Rule/Trigger (or Rule/Entailment) index
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case RDF_SCHEMA_URI.RDFS_SUBCLASSOF :
- $infRule=new InfRule();
- $infRule->setTrigger(null,new Resource(RDF_NAMESPACE_URI.RDF_TYPE),$statement->getSubject());
- $infRule->setEntailment('',new Resource(RDF_NAMESPACE_URI.RDF_TYPE),$statement->getObject());
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case RDF_SCHEMA_URI.RDFS_DOMAIN :
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getSubject(),null);
- $infRule->setEntailment('',new Resource(RDF_NAMESPACE_URI.RDF_TYPE),$statement->getObject());
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case RDF_SCHEMA_URI.RDFS_RANGE :
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getSubject(),null);
- $infRule->setEntailment('',new Resource(RDF_NAMESPACE_URI.RDF_TYPE),$statement->getObject());
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case OWL_URI.OWL_INVERSE_OF :
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getSubject(),null);
- $infRule->setEntailment('',$statement->getObject(),'');
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getObject(),null);
- $infRule->setEntailment('',$statement->getSubject(),'');
- $this->infRules[]=$infRule;
- $this->_addInfRule($infRule,$statementPosition);
- break;
-
- case OWL_URI.OWL_SAME_AS :
- $infRule=new InfRule();
- $infRule->setTrigger($statement->getSubject(),null,null);
- $infRule->setEntailment($statement->getObject(),'','');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger($statement->getObject(),null,null);
- $infRule->setEntailment($statement->getSubject(),'','');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getSubject(),null);
- $infRule->setEntailment('',$statement->getObject(),'');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,$statement->getObject(),null);
- $infRule->setEntailment('',$statement->getSubject(),'');
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,null,$statement->getSubject());
- $infRule->setEntailment('','',$statement->getObject());
- $this->_addInfRule($infRule,$statementPosition);
-
- $infRule=new InfRule();
- $infRule->setTrigger(null,null,$statement->getObject());
- $infRule->setEntailment('','
',$statement->getSubject());
- $this->_addInfRule($infRule,$statementPosition);
- break;
- };
- }
-
- /**
- * This function checks, which infrules were added by the statement and
- * removes those.
- *
- * @param object Statement $statement
- * @return integer
- * @access private
- */
- function _removeFromInference($statement)
- {
- $return= array();
- $statementPosition=-1;
- do
- {
- //get the position of the statement that should be removed
- $statementPosition=$this->findFirstMatchOff($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- $statementPosition+1);
- if ($statementPosition!=-1)
- {
- //if it added any rules
- if (isset ($this->statementRuleIndex[$statementPosition]))
- {
- //remove all rules
- foreach ($this->statementRuleIndex[$statementPosition] as $key => $value)
- {
- //remove from Rule-Trigger Index
- if (is_a($this,'InfModelF'))
- {
- $trigger=$this->infRules[$key]->getTrigger();
-
- if(is_a($trigger['s'],'Node'))
- {
- $subjectLabel=$trigger['s']->getLabel();
- } else
- {
- $subjectLabel='null';
- }
- unset ($this->infRulesTriggerIndex['s'][$subjectLabel][array_search($key,$this->infRulesTriggerIndex['s'][$subjectLabel])]);
-
- if(is_a($trigger['p'],'Node'))
- {
- $predicateLabel=$trigger['p']->getLabel();
- } else
- {
- $predicateLabel='null';
- }
- unset ($this->infRulesTriggerIndex['p'][$predicateLabel][array_search($key,$this->infRulesTriggerIndex['p'][$predicateLabel])]);
-
- if(is_a($trigger['o'],'Node'))
- {
- $objectLabel=$trigger['o']->getLabel();
- } else
- {
- $objectLabel='null';
- }
- unset ($this->infRulesTriggerIndex['o'][$objectLabel][array_search($key,$this->infRulesTriggerIndex['o'][$objectLabel])]);
- } else
- //remove from Rule-Entailment Index
- {
- $entailment=$this->infRules[$key]->getEntailment();
-
- if(is_a($entailment['s'],'Node'))
- {
- $subjectLabel=$entailment['s']->getLabel();
- } else
- {
- $subjectLabel='null';
- }
- unset ($this->infRulesEntailIndex['s'][$subjectLabel][array_search($key,$this->infRulesEntailIndex['s'][$subjectLabel])]);
-
-
- if(is_a($entailment['p'],'Node'))
- {
- $predicateLabel=$entailment['p']->getLabel();
- } else
- {
- $predicateLabel='null';
- }
- unset ($this->infRulesEntailIndex['p'][$predicateLabel][array_search($key,$this->infRulesEntailIndex['p'][$predicateLabel])]);
-
- if(is_a($entailment['o'],'Node'))
- {
- $objectLabel=$entailment['o']->getLabel();
- } else
- {
- $objectLabel='null';
- }
- unset ($this->infRulesEntailIndex['o'][$objectLabel][array_search($key,$this->infRulesEntailIndex['o'][$objectLabel])]);
- }
- //remove from statement-Rule Index
- unset ($this->infRules[$key]);
- }
- unset($this->statementRuleIndex[$statementPosition]);
- $return[]=$statementPosition;
- };
- }
-
- } while($statementPosition!=-1);
-
- //return the positions of the statements to be removed OR emty array
- //if nothing was found.
- return $return;
- }
-
- /**
- * Returns a model, containing all Statements, having a Predicate, that
- * is supported by the inference.
- *
- * @return object Model
- * @access public
- */
- function getSchema()
- {
- $res=new MemModel();
- //Search the base-model for all statements, having a Predicate, that
- //is supported by the inference.
- foreach ($this->supportedInference as $inferencePredicateLabel)
- {
- $res->addModel($this->find(null, new Resource($inferencePredicateLabel), null));
- }
- return $res;
- }
-
- /**
- * General method to replace nodes of a MemModel.
- * This function is disabled in the Inference Model.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @access public
- * @throws PhpError
- */
- function replace($subject, $predicate, $object, $replacement)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: replace): This function is disabled in the Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches the regular
- * expression.
- * Returns an empty MemModel if nothing is found.
- *
- * This function is disabled in the Inference Model
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: findRegex):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Returns all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at
- * the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Returns an empty MemModel if nothing is found.
- *
- * This function is disabled in the Inference Model.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @access public
- */
- function findVocabulary($vocabulary)
- {
-
- $errmsg = RDFAPI_ERROR . '(class: InfModel; method: findVocabulary):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Adds the URI or NULL to the Infrule trigger or entailment index.
- *
- *
- * @param object infrule $infRule
- * @param integer $infRulePosition
- * @access private
- */
- function _addInfruleToIndex(& $infRule,& $infRulePosition)
- {
- //Add the rule only to the trigger index, if it is a InfFModel
- if (is_a($this,'InfModelF'))
- {
- //get the trigger
- $trigger = $infRule->getTrigger();
- //evaluate and set the index
- if ($trigger['s'] == null)
- {
- $this->infRulesTriggerIndex['s']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['s'][$trigger['s']->getLabel()][]=$infRulePosition;
- };
-
- if ($trigger['p'] == null)
- {
- $this->infRulesTriggerIndex['p']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['p'][$trigger['p']->getLabel()][]=$infRulePosition;
- };
-
- if ($trigger['o'] == null)
- {
- $this->infRulesTriggerIndex['o']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesTriggerIndex['o'][$trigger['o']->getLabel()][]=$infRulePosition;
- };
- } else
- //add to entailment Index if it is a BModel
- {
- //get the entailment
- $entailment = $infRule->getEntailment();
- //evaluate the entailment and add to index
- if (!is_a($entailment['s'],'Node'))
- {
- $this->infRulesEntailIndex['s']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['s'][$entailment['s']->getLabel()][]=$infRulePosition;
- };
-
- if (!is_a($entailment['p'],'Node'))
- {
- $this->infRulesEntailIndex['p']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['p'][$entailment['p']->getLabel()][]=$infRulePosition;
- };
-
- if (!is_a($entailment['o'],'Node'))
- {
- $this->infRulesEntailIndex['o']['null'][]=$infRulePosition;
- } else
- {
- $this->infRulesEntailIndex['o'][$entailment['o']->getLabel()][]=$infRulePosition;
- };
- };
- }
-
- /**
- * Searches the trigger-index for a matching trigger and returns an
- * array of infRule positions.
- *
- *
- * @param object infrule $infRule
- * @return array integer
- * @access private
- */
- function _findRuleTriggerInIndex($statement)
- {
- $return=array();
- //a statement's subject matches all triggers with null and the same URI
- $subjectLabel=$statement->getLabelSubject();
- $inIndexS=array();
- if (isset($this->infRulesTriggerIndex['s']['null']))
- $inIndexS=array_values($this->infRulesTriggerIndex['s']['null']);
- if (isset($this->infRulesTriggerIndex['s'][$subjectLabel]))
- $inIndexS= array_merge($inIndexS,array_values($this->infRulesTriggerIndex['s'][$subjectLabel]));
-
- //a statement's predicate matches all triggers with null and the same URI
- $predicateLabel=$statement->getLabelPredicate();
- $inIndexP=array();
- if (isset($this->infRulesTriggerIndex['p']['null']))
- $inIndexP=array_values($this->infRulesTriggerIndex['p']['null']);
- if (isset($this->infRulesTriggerIndex['p'][$predicateLabel]))
- $inIndexP= array_merge($inIndexP,array_values($this->infRulesTriggerIndex['p'][$predicateLabel]));
-
- //a statement's object matches all triggers with null and the same URI
- $objectLabel=$statement->getLabelObject();
- $inIndexO=array();
- if (isset($this->infRulesTriggerIndex['o']['null']))
- $inIndexO=array_values($this->infRulesTriggerIndex['o']['null']);
- if (isset($this->infRulesTriggerIndex['o'][$objectLabel]))
- $inIndexO= array_merge($inIndexO,array_values($this->infRulesTriggerIndex['o'][$objectLabel]));
-
- //if an infrule position occurs in subject, predicate, and object index, add to result array.
- foreach ($inIndexP as $positionP)
- {
- if (in_array($positionP,$inIndexO))
- if (in_array($positionP,$inIndexS))
- $return[]=$positionP;
- }
- return $return;
- }
-
- /**
- * Searches the Entailment-index for a matching Entailment and returns an
- * array of infRule positions.
- *
- *
- * @param node or null $subject
- * @param node or null $predicate
- * @param node or null $object
- * @return array integer
- * @access private
- */
- function _findRuleEntailmentInIndex($subject,$predicate,$object)
- {
- $return=array();
- //a node matches all entailments with NULL or a matching URI
- if(is_a($subject,'Node'))
- {
- $subjectLabel=$subject->getLabel();
- $inIndexS=array();
- if (isset($this->infRulesEntailIndex['s']['null'])) $inIndexS=array_values($this->infRulesEntailIndex['s']['null']);
- if (isset($this->infRulesEntailIndex['s'][$subjectLabel])) $inIndexS= array_merge($inIndexS,array_values($this->infRulesEntailIndex['s'][$subjectLabel]));
- } else
- //if the subject search pattern is NULL, every rule will match the subject search patter
- {
- $inIndexS=array_keys($this->infRules);
- }
-
- if(is_a($predicate,'Node'))
- {
- $predicateLabel=$predicate->getLabel();
- $inIndexP=array();
- if (isset($this->infRulesEntailIndex['p']['null'])) $inIndexP=array_values($this->infRulesEntailIndex['p']['null']);
- if (isset($this->infRulesEntailIndex['p'][$predicateLabel])) $inIndexP= array_merge($inIndexP,array_values($this->infRulesEntailIndex['p'][$predicateLabel]));
- } else
- {
- $inIndexP=array_keys($this->infRules);
- }
-
- if(is_a($object,'Node'))
- {
- $objectLabel=$object->getLabel();
- $inIndexO=array();
- if (isset($this->infRulesEntailIndex['o']['null'])) $inIndexO=array_values($this->infRulesEntailIndex['o']['null']);
- if (isset($this->infRulesEntailIndex['o'][$objectLabel])) $inIndexO= array_merge($inIndexO,array_values($this->infRulesEntailIndex['o'][$objectLabel]));
- } else
- {
- $inIndexO=array_keys($this->infRules);
- }
-
- //if an infrule position occurs in subject, predicate, and object index, add to result array.
- foreach ($inIndexP as $positionP)
- {
- if (in_array($positionP,$inIndexO))
- if (in_array($positionP,$inIndexS))
- $return[]=$positionP;
- }
- return $return;
- }
-
- /**
- * Adds an InfRule to the InfModel.
- * $statementPosition states the positiion of the statement, that created
- * this rule, in the model->triples array.
- *
- *
- * @param object Infrule $infRule
- * @param integer $statementPosition
- * @access private
- */
- function _addInfRule($infRule, $statementPosition)
- {
- //add the rule
- $this->infRules[]=$infRule;
- //get the position of the added rule in the model
- end($this->infRules);
- $rulePosition=key($this->infRules);
- //add the information to the index, that this statement
- //added this rule.
- $this->statementRuleIndex[$statementPosition][$rulePosition]=true;
- //add informations to index over trigger & entailment
- $this->_addInfruleToIndex($infRule,$rulePosition);
- }
- }
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelB.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelB.php
deleted file mode 100755
index f4a36614..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelB.php
+++ /dev/null
@@ -1,515 +0,0 @@
-
-
-*
-* @package infModel
-* @access public
-**/
-
-class InfModelB extends InfModel
-{
-
- /**
- * Array that holds combinations of inference rules with distinct
- * find-querys, that don't lead to any inference.
- *
- * @var array
- * @access private
- */
- var $findDeadEnds;
-
-
- /**
- * Constructor
- * You can supply a base_uri
- *
- * @param string $baseURI
- * @access public
- */
- function InfModelB($baseURI = null)
- {
- parent::InfModel($baseURI);
- $this->findDeadEnds=array();
- }
-
- /**
- * Adds a new triple to the Model without checking, if the statement
- * is already in the Model. So if you want a duplicate free Model use
- * the addWithoutDuplicates() function (which is slower then add())
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement)
- {
- parent::add($statement);
- //Reset the found dead-ends.
- $this->findDeadEnds=array();
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- * Returns an empty MemModel if nothing is found.
- * To improve the search speed with big Models, call index(INDEX_TYPE)
- * before seaching.
- *
- * It recursively searches in the statements and rules to find
- * matching statements.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
- function find($subject,$predicate,$object)
- {
- $searchStringIndex=array();
- $resultModel=new MemModel();
-
- //add all infered statements without duplicates to the result model
- foreach ($this->_infFind($subject,$predicate,$object,array())as $statement)
- {
- $resultModel->addWithoutDuplicates($statement);
- };
- return $resultModel;
- }
-
- /**
- * This is the main inference method of the InfModelB
- * The algorithm works as follows:
- * Find all statements in the base model, that matches the current
- * find-query.
- * Check all rules, if they are able to deliver infered statements,
- * that match the current find-query. Don't use rules with queries,
- * that lead to dead-ends and don't use a rule-query-combination that
- * was used before in this branch (ontology loops).
- * If a rule is possible do deliver such statements, get a new
- * find-query, that is possible to find those statements, that are able
- * to trigger this rule.
- * Call this _infFind method wirh the new find-query and entail the
- * resulting statements.
- * If this rule, wasn't able to return any statements with this distinct
- * query, add this combination to the dead-ends.
- * Return the statements from the base triples and those, which were infered.
- *
- * If $findOnlyFirstMatching is set to true, only the first match in
- * the base-statements is entailed an returned (used in contains() and
- * findFirstMatchingStatement() methods).
- *
- * You can set an offset to look for the first matching statement by setting the
- * $offset var.
- *
- * It recursively searches in the statements and rules to find matching
- * statements
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param array $searchStringIndex
- * @param boolean $findOnlyFirstMatching
- * @param integer $offset
- * @param integer $resultCount
- * @return object array Statements
- * @access private
- */
- function _infFind ($subject,$predicate,$object, $searchStringIndex, $findOnlyFirstMatching = false, $offset = 0,$resultCount = 0 )
- {
- $return=array();
- //Find all matching statements in the base statements
- $findResult=parent::find($subject,$predicate,$object);
- //For all found statements
- foreach ($findResult->triples as $statement)
- {
- $return[]=$statement;
- $resultCount++;
-
- //Return, if only the firstMatchingStatement was wanted
- if ($findOnlyFirstMatching && $resultCount > $offset)
- return $return;
- };
-
- //Don't infer statements about the schema (rdfs:subClass, etc..)
- //is false
- if ($predicate == null ||
- (is_a($predicate,'Node') &&
- !in_array($predicate->getLabel(),$this->supportedInference))
- )
- //Check only Rules, that the EntailmentIndex returned.
- foreach ($this->_findRuleEntailmentInIndex($subject,$predicate,$object) as $ruleKey)
- {
- $infRule=$this->infRules[$ruleKey];
- $serializedRuleStatement=$ruleKey.serialize($subject).serialize($predicate).serialize($object);
- //If it is to ontology loop and no dead-end
- if (!in_array($serializedRuleStatement, $searchStringIndex) &&
- !in_array($serializedRuleStatement, $this->findDeadEnds))
- {
- //Keep this distinct rule query cobination for
- //this branch to detect loops
- $searchStringIndex[]=$serializedRuleStatement;
-
- //If the rule is able to deliver statements that match
- //this query
- if ($infRule->checkEntailment($subject,$predicate,$object))
- {
- //Get a modified find-query, that matches statements,
- //that trigger this rule
- $modefiedFind=$infRule->getModifiedFind($subject,$predicate,$object);
- //Call this method with the new find-query
- $infFindResult=$this->_infFind($modefiedFind['s'],
- $modefiedFind['p'],
- $modefiedFind['o'],
- $searchStringIndex,
- $findOnlyFirstMatching,
- $offset,
- $resultCount) ;
- //If it deliverd statements that matches the trigger
- if (isset($infFindResult[0]))
- {
- foreach ($infFindResult as $statement)
- {
- //Entail the statements and check, if they are not about the
- //ontology
- $newStatement=$infRule->entail($statement);
- if (!in_array($newStatement->getLabelPredicate(),$this->supportedInference))
- //Check if, the entailed statements are, what we are looking for
- if($this->_nodeEqualsFind($subject,$newStatement->getSubject()) &&
- $this->_nodeEqualsFind($predicate,$newStatement->getPredicate()) &&
- $this->_nodeEqualsFind($object,$newStatement->getObject() ) )
- {
- //Add to results
- $return[]=$newStatement;
- $resultCount++;
-
- //or return at once
- if ($findOnlyFirstMatching && $resultCount > $offset)
- return $return;
- }
- }
- } else
- {
- //If there were no results of the rule-query-combination,
- //mark this combination as a dead-end.
- $this->findDeadEnds[]=$serializedRuleStatement;
- }
- }
- }
- }
- //Return the array of the found statements
- return $return;
- }
-
- /**
- * Tests if the Model contains the given triple.
- * TRUE if the triple belongs to the Model;
- * FALSE otherwise.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement)
- {
- //throws an error, if $statement is not of class Statement
- if(!is_a($statement,'Statement'))
- trigger_error(RDFAPI_ERROR . '(class: InfModelB; method: contains):
- $statement has to be object of class Statement', E_USER_ERROR);
-
- //Call the _infFind method, but let it stop, if it finds the first match.
- if (count( $this->_infFind($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- array(),true) ) >0)
- {
- return true;
- } else
- {
- return false;
- };
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement of the MemModel where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search for. Default = 0
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = 0)
- {
- //Call the _infFind method, but let it stop, if it finds the
- //first match.
- $res= $this->_infFind($subject,$predicate,$object,array(),true,$offset);
-
- if (isset($res[$offset]))
- {
- return $res[$offset];
- } else
- {
- return NULL;
- };
- }
-
- /**
- * Returns a StatementIterator for traversing the Model.
- *
- * @access public
- * @return object StatementIterator
- */
- function & getStatementIterator()
- {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- // Gets a MemModel by executing a find(null,null,null) to get a
- //inferable statements.
- // WARNING: might be slow
- return new StatementIterator($this->getMemModel());
- }
-
- /**
- * Number of all inferable triples in the Model.
- * WARNING: uses a find(null,null,null) to find all statements! (might take a while)
- *
- * @param boolean
- * @return integer
- * @access public
- */
- function size()
- {
- // Gets a MemModel by executing a find(null,null,null) to get a
- //inferable statements.
- // WARNING: might be slow
- $res = $this->getMemModel();
- return $res->size();
- }
-
- /**
- * Create a MemModel containing all the triples (including inferred
- * statements) of the current InfModelB.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel()
- {
-
- $return=$this->find(null,null,null);
- $return->setBaseURI($this->baseURI);
- $return->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Create a MemModel containing only the base triples (without inferred
- * statements) of the current InfModelB.
- *
- * @return object MemModel
- * @access public
- */
- function & getBaseMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $statement)
- $return->add($statement);
-
- $retun->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Short Dump of the InfModelB.
- *
- * @access public
- * @return string
- */
- function toString()
- {
- return 'InfModelB[baseURI=' . $this->getBaseURI() . '; size=' . $this->size(true) . ']';
- }
-
- /**
- * Dumps of the InfModelB including ALL inferable triples.
- *
- * @access public
- * @return string
- */
- function toStringIncludingTriples()
- {
- $dump = $this->toString() . chr(13);
- $stateIt=new StatementIterator($this->find(null,null,null));
- while($statement=$stateIt->next())
- {
- $dump .= $statement->toString() . chr(13);
- }
- return $dump;
- }
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the full InfModelB
- * (including inferred triples) to a file.
- * You can decide to which format the model should be serialized by
- * using a corresponding suffix-string as $type parameter. If no $type
- * parameter is placed this method will serialize the model to XML/RDF
- * format.
- * Returns FALSE if the InfModelB couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf')
- {
-
- $memmodel=$this->getMemModel();
- return $memmodel->saveAs($filename, $type);
- }
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples as HTML.
- *
- * @access public
- */
- function writeAsHtml()
- {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this->getMemModel());
- $rdf = htmlspecialchars($rdf, ENT_QUOTES);
- $rdf = str_replace(' ', ' ', $rdf);
- $rdf = nl2br($rdf);
- echo $rdf;
- }
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable()
- {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- RDFUtil::writeHTMLTable($this->getMemModel());
- }
-
-
- /**
- * Writes the RDF serialization of the Model including ALL inferable
- * triples.
- *
- * @access public
- * @return string
- */
- function writeRdfToString()
- {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this->getMemModel());
- return $rdf;
- }
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- if (parent::contains($statement))
- {
- if (in_array($statement->getLabelPredicate(),$this->supportedInference));
- while (count($this->_removeFromInference($statement))>0);
-
- $this->findDeadEnds=array();
- return parent::remove($statement);
- } else
- {
- return false;
- }
- }
-
- /**
- * Checks, if a single node matches a single find pattern.
- * TRUE if the node matches.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model.
- *
- * @param object Statement $statement
- * @return boolean
- * @access private
- */
- function _nodeEqualsFind(& $find, $node)
- {
- //If the find pattern is a node, use the nodes equal-method and
- //return the result.
- if (is_a($find,'Node'))
- return $node->equals($find);
-
- //Null-pattern matches anything.
- if ($find == null)
- {
- return true;
- } else
- {
- return false;
- }
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * Disabled in InfModelB.
- *
- * @access public
- * @return object FindIterator
- */
- function & findAsIterator($sub=null,$pred=null,$obj=null) {
- $errmsg = RDFAPI_ERROR . '(class: InfModelB; method: findAsIterator):
- This function is disabled in the
- Inference Model';
- trigger_error($errmsg, E_USER_ERROR);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelF.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelF.php
deleted file mode 100755
index d338c1cf..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelF.php
+++ /dev/null
@@ -1,406 +0,0 @@
-
-
-*
-* @package infModel
-* @access public
-**/
-
-class InfModelF extends InfModel
-{
-
- /**
- * Array that holds the position of the infered statements in the model.
- *
- * @var array
- * @access private
- */
- var $infPos;
-
-
- /**
- * Variable that influences the habbit when adding statements.
- * Used by the loadModel method to increase performance.
- *
- * @var boolean
- * @access private
- */
- var $inferenceEnabled;
-
-
- /**
- * Constructor
- * You can supply a base_uri.
- *
- * @param string $baseURI
- * @access public
- */
- function InfModelF($baseURI = NULL)
- {
- parent::InfModel($baseURI);
- $this->infPos=array();
- $this->inferenceEnabled=true;
- }
-
- /**
- * Adds a new triple to the MemModel without checking if the statement
- * is already in the MemModel.
- * So if you want a duplicate free MemModel use the addWithoutDuplicates()
- * function (which is slower then add())
- * The statement is infered and all entailed statements are added.
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add ($statement)
- {
- parent::add($statement);
- if ($this->inferenceEnabled)
- {
- foreach ($this->entailStatement($statement) as $state)
- {
- //a addWithoutDublicates construct
- if(!$this->contains($state))
- {
-
- parent::add($state);
- //save the position of the infered statements
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- //apply the complete inference to the model, if the added statement was able to add a rule
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- $this->applyInference();
- }
- }
-
-
- /**
- * Checks if a new statement is already in the MemModel and adds
- * the statement, if it is not in the MemModel.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- * The statement is infered and all entailed statements are added.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates(& $statement)
- {
- if(!$this->contains($statement))
- {
- parent::add($statement);
- if ($this->inferenceEnabled)
- {
- foreach ($this->entailStatement($statement) as $statement)
- {
- if(!$this->contains($statement))
- {
- parent::add($statement);
- //save the position of the infered statements
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- $this->applyInference();
- }
- return true;
- }
- return false;
- }
-
-
-
- /**
- * Entails every statement and adds the entailments if not already
- * in the model.
- *
- * @access private
- */
- function applyInference()
- {
- //check every statement in the model
- foreach ($this->triples as $statement)
- {
- //gat all statements, that it recursively entails
- foreach ($this->entailStatement($statement) as $statement)
- {
- if (!$this->contains($statement))
- {
- parent::add($statement);
- //add the InfStatement position to the index
- end($this->triples);
- $this->infPos[]=key($this->triples);
- };
- };
- };
- }
-
-
- /**
- * Entails a statement by recursively using the _entailStatementRec
- * method.
- *
- * @param object Statement $statement
- * @return array of statements
- * @access public
- */
- function entailStatement (& $statement)
- {
- $infStatementsIndex=array();
- return $this->_entailStatementRec($statement,$infStatementsIndex);
- }
-
- /**
- * Recursive method, that checks the statement with the trigger of
- * every rule. If the trigger matches and entails new statements,
- * those statements are recursively infered too.
- * The $infStatementsIndex array holds lready infered statements
- * to prevent infinite loops.
- *
- *
- * @param object Statement $statement
- * @param array $infStatementsIndex
- * @return array of statements
- * @access private
- */
- function _entailStatementRec ( $statement,& $infStatementsIndex)
- {
- $infStatements = array();
- $return = array();
-
- //dont entail statements about the supported inference-schema
- if (!in_array($statement->getLabelPredicate(),$this->supportedInference))
- {
- //check only the rules, that were returned by the index
- foreach ($this->_findRuleTriggerInIndex($statement) as $key )
- {
- $infRule=$this->infRules[$key];
-
- $stateString=$key.serialize($statement);
- //If the statement wasn't infered before
- if (!in_array($stateString,$infStatementsIndex))
- {
- $infStatementsIndex[]=$stateString;
- //Check, if the Statements triggers this rule
- if($infRule->checkTrigger($statement))
- {
- $infStatement=$infRule->entail($statement);
- #if(!$this->contains($infStatement))
- {
- $return[]=$infStatement;
- $return=array_merge($return,
- $this->_entailStatementRec($infStatement,
- $infStatementsIndex));
- };
-
- };
- };
- };
- };
- return $return;
- }
-
- /**
- * Removes all infered statements from the model but keeps the
- * infernece rules.
- *
- * @access public
- */
- function removeInfered()
- {
- $indexTmp=$this->indexed;
- $this->index(-1);
- foreach ($this->infPos as $key)
- {
- unset($this->triples[$key]);
- };
- $this->infPos=array();
- $this->index($indexTmp);
- }
-
-
- /**
- * Load a model from a file containing RDF, N3 or N-Triples.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string
- * ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to
- * this DbModel.
- *
- * While loading the model, the inference entailing is disabled, but
- * new inference rules are added to increase performance.
- *
- * @param string $filename
- * @param string $type
- * @access public
- */
- function load($filename, $type = NULL)
- {
- //Disable entailing to increase performance
- $this->inferenceEnabled=false;
- parent::load($filename, $type);
- //Enable entailing
- $this->inferenceEnabled=true;
- //Entail all statements
- $this->applyInference();
- }
-
- /**
- * Short Dump of the InfModelF.
- *
- * @access public
- * @return string
- */
- function toString() {
- return 'InfModelF[baseURI=' . $this->getBaseURI() . ';
- size=' . $this->size(true) . ']';
- }
-
- /**
- * Create a MemModel containing all the triples (including inferred
- * statements) of the current InfModelF.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $statement)
- $return->add($statement);
-
- $return->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
- /**
- * Create a MemModel containing only the base triples
- * (without inferred statements) of the current InfModelF.
- *
- * @return object MemModel
- * @access public
- */
- function getBaseMemModel()
- {
- $return= new MemModel();
- $return->setBaseURI($this->baseURI);
- foreach ($this->triples as $key => $statement)
- if (!in_array($key,$this->infPos))
- $return->add($statement);
- $retun->addParsedNamespaces($this->getParsedNamespaces());
- return $return;
- }
-
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * Checks, if it touches any statements, that added inference rules
- * to the model
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- //If the statement is in the model
- if($this->contains($statement))
- {
- $inferenceRulesWereTouched=false;
- //If the statement was able to add inference rules
- if (in_array($statement->getLabelPredicate(),$this->supportedInference))
- {
- $statementPositions=$this->_removeFromInference($statement);
- $inferenceRulesWereTouched=true;
- } else
- //get the position of all matching statements
- {
- $statementPositions=array();
- //find the positions of the statements
- $statementPosition=-1;
- do
- {
-
- $statementPosition =
- $this->findFirstMatchOff($statement->getSubject(),
- $statement->getPredicate(),
- $statement->getObject(),
- $statementPosition+1);
-
- if ($statementPosition!=-1)
- $statementPositions[]=$statementPosition;
-
- } while ($statementPosition != -1);
- }
-
- //remove matching statements
- parent::remove($statement);
- foreach ($statementPositions as $statementPosition)
- {
- //if the statement was infered, remove it from the index of the infered statements.
- if (in_array($statementPosition,$this->infPos))
- unset ($this->infPos[$statementPosition]);
- }
- if ($inferenceRulesWereTouched)
- {
- //remove the statement and re-entail the model
- $this->removeInfered();
- $this->applyInference();
- }
- return true;
- } else
- {
- return false;
- }
- }
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model)
- {
- //Disable entailing to increase performance
- $this->inferenceEnabled=false;
- parent::addModel($model);
- //Enable entailing
- $this->inferenceEnabled=true;
- //Entail all statements
- $this->applyInference();
- }
-};
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelP.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelP.php
deleted file mode 100755
index 20dc1d40..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfModelP.php
+++ /dev/null
@@ -1,19 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include InfModel classes
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfRule.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfStatement.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModelB.php');
-require_once( RDFAPI_INCLUDE_DIR . 'infModel/InfModelF.php');
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfRule.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfRule.php
deleted file mode 100755
index 8bde1e88..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfRule.php
+++ /dev/null
@@ -1,343 +0,0 @@
-
-
- *
- * @package infModel
- * @access public
- **/
-
-class InfRule
-{
-
- /**
- * Array, that hold the trigger subject in key ['s'], the trigger
- * predicate in ['p'], and the trigger object in ['o'].
- * The array values can be NULL to match anything or be a node that
- * has to be matched.
- *
- * @var array
- * @access private
- */
- var $trigger;
-
- /**
- * Array, that hold the entailment subject in key ['s'], the
- * entailment predicate in ['p'], and the entailment object in ['o'].
- * The array values can be a node that will be inserted in the
- * returning statement, or '' to insert the subject,'
' to insert
- * the predicate, or '' to insert the object of the checked statement
- * to this position in the new returned statement.
- *
- * @var array
- * @access private
- */
- var $entailment;
-
-
- /**
- * Constructor
- *
- *
- * @access public
- */
- function infRule()
- {
- //initialising vars
- $this->trigger=array();
- $this->entailment=array();
- }
-
- /**
- * Sets the trigger of this rule
- * The values can be NULL to match anything or be a node that has to
- * be matched.
- *
- * @param object Node OR NULL $subject
- * @param object Node OR NULL $predicate
- * @param object Node OR NULL $object
- * @access public
- * @throws PhpError
- */
- function setTrigger ($subject, $predicate, $object)
- {
- //throw an error if subject, predicate, or object are neither
- //node, nor null.
- if(!is_a($subject,'Node') && $subject != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $subject has to be null or of class Node'
- , E_USER_ERROR);
- if(!is_a($predicate,'Node') && $predicate != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $predicate has to be null or of class Node'
- , E_USER_ERROR);
- if(!is_a($object,'Node') && $object != null)
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setTrigger): $object has to be null or of class Node'
- , E_USER_ERROR);
-
- //set the trigger
- $this->trigger['s']=$subject;
- $this->trigger['p']=$predicate;
- $this->trigger['o']=$object;
- }
-
- /**
- * Sets the entailment of this rule
- * The values can be NULL to match anything or be a node that has to
- * be matched.
- *
- * @param object Node OR NULL $subject
- * @param object Node OR NULL $predicate
- * @param object Node OR NULL $object
- * @access public
- * @throws PhpError
- */
- function setEntailment($subject,$predicate,$object)
- {
- //throw an error if subject, predicate, or object are neither node,
- //nor ,,.
- if(!is_a($subject,'Node') && !ereg('<[spo]>', $subject))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $subject has to be ,,or or of class Node'
- , E_USER_ERROR);
- if(!is_a($predicate,'Node') && !ereg('<[spo]>', $predicate))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $predicate has to be ,,or or of class Node'
- , E_USER_ERROR);
- if(!is_a($object,'Node') && !ereg('<[spo]>', $object))
- trigger_error(RDFAPI_ERROR . '(class: Infrule; method:
- setEntailment): $object has to be ,,or or of class Node'
- , E_USER_ERROR);
-
- $this->entailment['s']=$subject;
- $this->entailment['p']=$predicate;
- $this->entailment['o']=$object;
- }
-
- /**
- * Checks, if the statement satisfies the trigger.
- *
- * @param object Statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function checkTrigger(& $statement)
- {
- //is true, if the trigger is null to match anything
- //or equals the statement's subject
- $shouldFireS = $this->trigger['s'] == null ||
- $this->trigger['s']->equals($statement->getSubject());
-
- //is true, if the trigger is null to match anything
- //or equals the statement's predicate
- $shouldFireP = $this->trigger['p'] == null ||
- $this->trigger['p']->equals($statement->getPredicate());
-
- //is true, if the trigger is null to match anything
- //or equals the statement's object
- $shouldFireO = $this->trigger['o'] == null ||
- $this->trigger['o']->equals($statement->getObject());
-
- //returns true, if ALL are true
- return $shouldFireS && $shouldFireP && $shouldFireO;
- }
-
- /**
- * Checks, if this rule could entail a statement that matches
- * a find of $subject,$predicate,$object.
- *
- * @param object Statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function checkEntailment ($subject, $predicate, $object)
- {
- //true, if $subject is null, the entailment's subject matches
- //anything, or the $subject equals the entailment-subject.
- $matchesS= $subject == null ||
- !is_a($this->entailment['s'],'Node') ||
- $this->entailment['s']->equals($subject);
-
- //true, if $predicate is null, the entailment's predicate matches
- //anything, or the $predicate equals the entailment-predicate.
- $matchesP= $predicate == null ||
- !is_a($this->entailment['p'],'Node') ||
- $this->entailment['p']->equals($predicate);
-
- //true, if $object is null, the entailment's object matches
- //anything, or the $object equals the entailment-object.
- $matchesO= $object == null ||
- !is_a($this->entailment['o'],'Node') ||
- $this->entailment['o']->equals($object);
-
- //returns true, if ALL are true
- return $matchesS && $matchesP && $matchesO;
- }
-
- /**
- * Returns a infered InfStatement by evaluating the statement with
- * the entailment rule.
- *
- * @param object Statement
- * @return object InfStatement
- * @access public
- * @throws PhpError
- */
- function entail(& $statement)
- {
- //if the entailment's subject is ,,or , put the statements
- //subject,predicate,or object into the subject of the
- //entailed statement. If the entailment's subject is a node,
- //add that node to the statement.
- switch ($this->entailment['s'])
- {
- case '':
- $entailedSubject=$statement->getSubject();
- break;
- case '':
- $entailedSubject=$statement->getPredicate();
- break;
- case '':
- $entailedSubject=$statement->getObject();
- break;
- default:
- $entailedSubject=$this->entailment['s'];
- };
-
- //if the entailment's predicate is ,,or , put the
- //statements subject,predicate,or object into the predicate of
- //the entailed statement. If the entailment's predicate is a node,
- //add that node to the statement.
- switch ($this->entailment['p'])
- {
- case '':
- $entailedPredicate=$statement->getSubject();
- break;
- case '':
- $entailedPredicate=$statement->getPredicate();
- break;
- case '':
- $entailedPredicate=$statement->getObject();
- break;
- default:
- $entailedPredicate=$this->entailment['p'];
- };
-
- //if the entailment's object is ,,or , put the
- //statements subject,predicate,or object into the object of
- //the entailed statement. If the entailment's object is a node,
- //add that node to the statement.
- switch ($this->entailment['o'])
- {
- case '':
- $entailedObject=$statement->getSubject();
- break;
- case '':
- $entailedObject=$statement->getPredicate();
- break;
- case '':
- $entailedObject=$statement->getObject();
- break;
- default:
- $entailedObject=$this->entailment['o'];
- };
-
- //return the infered statement
- return (new InfStatement($entailedSubject,$entailedPredicate,$entailedObject));
- }
-
- /**
- * Returns a find-query that matches statements, whose entailed
- * statements would match the supplied find query.
- *
- * @param Node OR null $subject
- * @param Node OR null $predicate
- * @param Node OR null $object
- * @return array
- * @access public
- * @throws PhpError
- */
- function getModifiedFind( $subject, $predicate, $object)
- {
- $findSubject=$this->trigger['s'];
- $findPredicate=$this->trigger['p'];
- $findObject=$this->trigger['o'];
-
- switch ($this->entailment['s'])
- {
- case '':
- $findSubject=$subject;
- break;
- case '':
- $findPredicate=$subject;
- break;
- case '':
- $findObject=$subject;
- break;
- };
-
- switch ($this->entailment['p'])
- {
- case '':
- $findSubject=$predicate;
- break;
- case '':
- $findPredicate=$predicate;
- break;
- case '':
- $findObject=$predicate;
- break;
- };
-
- switch ($this->entailment['o'])
- {
- case '':
- $findSubject=$object;
- break;
- case '':
- $findPredicate=$object;
- break;
- case '':
- $findObject=$object;
- break;
- };
-
- return array('s' => $findSubject,
- 'p' => $findPredicate,
- 'o' => $findObject );
- }
-
- function getTrigger()
- {
- return array ( 's' => $this->trigger['s'],
- 'p' => $this->trigger['p'],
- 'o' => $this->trigger['o'],
- );
- }
-
- function getEntailment()
- {
- return array ( 's' => $this->entailment['s'],
- 'p' => $this->entailment['p'],
- 'o' => $this->entailment['o'],
- );
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfStatement.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfStatement.php
deleted file mode 100755
index 336504f4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/infModel/InfStatement.php
+++ /dev/null
@@ -1,18 +0,0 @@
-
- * @version $Id: InfStatement.php 268 2006-05-15 05:28:09Z tgauss $
- * @package infModel
- */
-class InfStatement extends Statement {
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/all-wcprops
deleted file mode 100755
index 56e0a96f..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/all-wcprops
+++ /dev/null
@@ -1,77 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 59
-/svnroot/rdfapi-php/!svn/ver/551/trunk/rdfapi-php/api/model
-END
-Literal.php
-K 25
-svn:wc:ra_dav:version-url
-V 71
-/svnroot/rdfapi-php/!svn/ver/497/trunk/rdfapi-php/api/model/Literal.php
-END
-Blanknode.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/453/trunk/rdfapi-php/api/model/Blanknode.php
-END
-DBase.php
-K 25
-svn:wc:ra_dav:version-url
-V 69
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/model/DBase.php
-END
-MemModel.php
-K 25
-svn:wc:ra_dav:version-url
-V 72
-/svnroot/rdfapi-php/!svn/ver/425/trunk/rdfapi-php/api/model/MemModel.php
-END
-Model.php
-K 25
-svn:wc:ra_dav:version-url
-V 69
-/svnroot/rdfapi-php/!svn/ver/551/trunk/rdfapi-php/api/model/Model.php
-END
-ModelP.php
-K 25
-svn:wc:ra_dav:version-url
-V 70
-/svnroot/rdfapi-php/!svn/ver/287/trunk/rdfapi-php/api/model/ModelP.php
-END
-DbStore.php
-K 25
-svn:wc:ra_dav:version-url
-V 71
-/svnroot/rdfapi-php/!svn/ver/560/trunk/rdfapi-php/api/model/DbStore.php
-END
-Statement.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/model/Statement.php
-END
-Node.php
-K 25
-svn:wc:ra_dav:version-url
-V 68
-/svnroot/rdfapi-php/!svn/ver/348/trunk/rdfapi-php/api/model/Node.php
-END
-DbModel.php
-K 25
-svn:wc:ra_dav:version-url
-V 71
-/svnroot/rdfapi-php/!svn/ver/533/trunk/rdfapi-php/api/model/DbModel.php
-END
-Resource.php
-K 25
-svn:wc:ra_dav:version-url
-V 72
-/svnroot/rdfapi-php/!svn/ver/453/trunk/rdfapi-php/api/model/Resource.php
-END
-ModelFactory.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/524/trunk/rdfapi-php/api/model/ModelFactory.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/entries
deleted file mode 100755
index cb957eb5..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/entries
+++ /dev/null
@@ -1,184 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/model
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-11-22T19:58:35.873076Z
-551
-p_frischmuth
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-Literal.php
-file
-
-
-
-
-2008-02-29T14:57:44.694548Z
-07e50d371bf51f08cc393559420f7bb5
-2007-08-13T05:14:26.997510Z
-497
-cweiske
-has-props
-
-Blanknode.php
-file
-
-
-
-
-2008-02-29T14:57:44.694548Z
-b9a94ec8fba94a8b9596d97d933c5676
-2007-06-20T21:19:09.683124Z
-453
-cweiske
-has-props
-
-DBase.php
-file
-
-
-
-
-2008-02-29T14:57:44.710169Z
-5cf7f369325355185a56e9436afd7196
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-MemModel.php
-file
-
-
-
-
-2008-02-29T14:57:44.710169Z
-d8987f4e712da3112f962e79de1560ea
-2007-05-01T12:59:18.000000Z
-425
-cweiske
-has-props
-
-Model.php
-file
-
-
-
-
-2008-02-29T14:57:44.725790Z
-1a0d324b20bd41b98669cb1018ff1cb2
-2007-11-22T19:58:35.873076Z
-551
-p_frischmuth
-has-props
-
-ModelP.php
-file
-
-
-
-
-2008-02-29T14:57:44.725790Z
-f6593f708c9e11d2fd2f2314700b5eea
-2006-06-19T13:43:55.000000Z
-287
-tgauss
-has-props
-
-DbStore.php
-file
-560
-
-
-
-2008-02-29T15:24:22.033780Z
-fc9caada11993be6f5fe8acdbab57800
-2008-02-29T15:24:20.914639Z
-560
-cax
-has-props
-
-Statement.php
-file
-
-
-
-
-2008-02-29T14:57:44.757031Z
-5442af9a529c84b26046c997d47f69c1
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-Node.php
-file
-
-
-
-
-2008-02-29T14:57:44.757031Z
-f5692caf43b4025c782916c6ae049afe
-2007-03-12T10:04:10.000000Z
-348
-cweiske
-has-props
-
-DbModel.php
-file
-
-
-
-
-2008-02-29T14:57:44.772651Z
-6d1d6724938773fb6310250e4f61f8cb
-2007-08-16T09:32:03.808912Z
-533
-cweiske
-has-props
-
-Resource.php
-file
-
-
-
-
-2008-02-29T14:57:44.772651Z
-e139b4ff0d1251ab7166c8c76cfafe84
-2007-06-20T21:19:09.683124Z
-453
-cweiske
-has-props
-
-ModelFactory.php
-file
-
-
-
-
-2008-02-29T14:57:44.788272Z
-e686d0efe0faf4d3635079b922953960
-2007-08-14T11:12:45.341905Z
-524
-kobasoft
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Blanknode.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Blanknode.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Blanknode.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DBase.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DBase.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DBase.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbModel.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbModel.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbStore.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbStore.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/DbStore.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Literal.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Literal.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Literal.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/MemModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/MemModel.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/MemModel.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Model.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Model.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Model.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelFactory.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelFactory.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelFactory.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelP.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/ModelP.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Node.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Node.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Node.php.svn-base
+++ /dev/null
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-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Resource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Resource.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Resource.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Statement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Statement.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/prop-base/Statement.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Blanknode.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Blanknode.php.svn-base
deleted file mode 100755
index 5afcad7e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Blanknode.php.svn-base
+++ /dev/null
@@ -1,120 +0,0 @@
-,
- * Radoslaw Oldakowski
- *
- * @package model
- * @access public
- *
- */
- class BlankNode extends Resource {
-
- /**
- * Constructor
- * You can supply a label or You supply a model and a unique ID is gernerated.
- *
- * @param mixed $namespace_or_uri_or_model
- * @param string $localName
- * @access public
- */
- function BlankNode($namespace_or_uri_or_model , $localName = NULL) {
-
- if (is_a($namespace_or_uri_or_model, 'Model')) {
- // generate identifier
- $id = $namespace_or_uri_or_model->getUniqueResourceURI(BNODE_PREFIX);
-
- $this->uri = $id;
-
- } else {
- // set identifier
- if ($localName == NULL) {
- $this->uri = $namespace_or_uri_or_model;
- } else {
- $this->uri = $namespace_or_uri_or_model . $localName;
- }
- }
- }
-
- /**
- * Returns the ID of the blank node.
- *
- * @return string
- * @access public
- */
- function getID() {
- return $this->uri;
- }
-
- /**
- * Returns the ID of the blank node.
- *
- * @return string
- * @access public
- */
- function getLabel() {
- return $this->uri;
- }
-
- /**
- * Dumps bNode.
- *
- * @access public
- * @return string
- */
- function toString() {
-
- return 'bNode("' . $this->uri . '")';
- }
-
- /**
- * Checks if two blank nodes are equal.
- * Two blank nodes are equal, if they have the same temporary ID.
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
- if (($that == NULL) or !(is_a($that, 'BlankNode'))) {
- return false;
- }
-
- if ($this->getURI() == $that->getURI()) {
- return true;
- }
-
- return false;
- }
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Blank Node
- */
- function __toString()
- {
- return $this->toString();
- }
-
-} // end: BlankNode
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DBase.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DBase.php.svn-base
deleted file mode 100755
index 7f0376b2..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DBase.php.svn-base
+++ /dev/null
@@ -1,17 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include DBase class
-require_once( RDFAPI_INCLUDE_DIR . 'model/DbModel.php' );
-// include adodb classes
-require_once(RDFAPI_INCLUDE_DIR .'util/adodb/adodb.inc.php');
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbModel.php.svn-base
deleted file mode 100755
index d3ddf3dc..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbModel.php.svn-base
+++ /dev/null
@@ -1,1318 +0,0 @@
-
-*
-* @package model
-* @access public
-*/
-
-
-class DbModel extends Model{
-
- /**
- * Database connection object.
- *
- * @var object ADOConnection
- * @access private
- */
- var $dbConn;
-
- /**
- * Unique model URI.
- * Used to identify the DbModel.
- *
- * @var string
- * @access private
- */
- var $modelURI;
-
-
- /**
- * Database internal modelID.
- * Used to avoid JOINs.
- *
- * @var string
- * @access private
- */
- var $modelID;
-
-
-
-
- /**
- * Constructor
- * Do not call this directly.
- * Use the method getModel,getNewModel or putModel of the Class DbStore instead.
- *
- * @param object ADOConnection &$dbConnection
- * @param string $modelURI
- * @param string $modelID
- * @param string $baseURI
- * @access public
- */
- function DbModel(&$dbConnection, $modelURI, $modelID, $baseURI=NULL) {
-
- $this->dbConn =& $dbConnection;
- $this->modelURI = $modelURI;
- $this->modelID = $modelID;
- $this->baseURI = $this->_checkBaseURI($baseURI);
- }
-
-
- /**
- * Set a base URI for the DbModel.
- * Affects creating of new resources and serialization syntax.
- *
- * @param string $uri
- * @throws SqlError
- * @access public
- */
- function setBaseURI($uri) {
-
- $this->baseURI = $this->_checkBaseURI($uri);
-
- $rs = $this->dbConn->execute("UPDATE models SET baseURI='" .$this->baseURI ."'
- WHERE modelID=" .$this->modelID);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
-
-
- /**
- * Return the number of statements in this DbModel.
- *
- * @return integer
- * @access public
- */
- function size() {
-
- $count =& $this->dbConn->getOne('SELECT COUNT(modelID) FROM statements
- WHERE modelID = ' .$this->modelID);
- return $count;
- }
-
-
- /**
- * Check if this DbModel is empty.
- *
- * @return boolean
- * @access public
- */
- function isEmpty() {
-
- if ($this->size() == 0)
- return TRUE;
- return FALSE;
- }
-
-
- /**
- * Add a new triple to this DbModel.
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- * @return mixed true on success, false if the statement is already in the model,
- * error message (string) on failure
- */
- function add(&$statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: add): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!$this->contains($statement)) {
-
- $subject_is = $this->_getNodeFlag($statement->subject());
- $sql = "INSERT INTO statements
- (modelID, subject, predicate, object, l_language, l_datatype, subject_is, object_is)
- VALUES
- (" .$this->modelID .","
- . $this->dbConn->qstr($statement->getLabelSubject()) .","
- . $this->dbConn->qstr($statement->getLabelPredicate()) .",";
-
- if (is_a($statement->object(), 'Literal')) {
- $quotedLiteral = $this->dbConn->qstr($statement->obj->getLabel());
- $sql .= $quotedLiteral .","
- ."'" .$statement->obj->getLanguage() ."',"
- ."'" .$statement->obj->getDatatype() ."',"
- ."'" .$subject_is ."',"
- ."'l')";
- }else{
- $object_is = $this->_getNodeFlag($statement->object());
- $sql .= $this->dbConn->qstr($statement->obj->getLabel()) .","
- ."'',"
- ."'',"
- ."'" .$subject_is ."',"
- ."'" .$object_is ."')";
- }
- $rs =& $this->dbConn->execute($sql);
- if (!$rs) {
- return $this->dbConn->errorMsg();
- } else {
- return true;
- }
- } else {
- return false;
- }
- }
-
-
- /**
- * Alias for the method add().
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function addWithoutDuplicates(&$statement) {
-
- $this->add($statement);
- }
-
-
- /**
- * Remove the given triple from this DbModel.
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function remove(&$statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: remove): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $sql = 'DELETE FROM statements
- WHERE modelID=' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO ($statement->subj, $statement->pred, $statement->obj);
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
-
-
- /**
- * Short dump of the DbModel.
- *
- * @return string
- * @access public
- */
- function toString() {
-
- return 'DbModel[modelURI=' .$this->modelURI .'; baseURI=' .$this->getBaseURI() .'; size=' .$this->size() .']';
- }
-
-
- /**
- * Dump of the DbModel including all triples.
- *
- * @return string
- * @access public
- */
- function toStringIncludingTriples() {
-
- $memModel =& $this->getMemModel();
- return $memModel->toStringIncludingTriples();
- }
-
-
-
- /**
- * Create a MemModel containing all the triples of the current DbModel.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel() {
-
- $recordSet = $this->_getRecordSet($this);
- $m = $this->_convertRecordSetToMemModel($recordSet);
- return $m;
- }
-
-
-
- /**
- * Returns the model id
- *
- * @return int Model id number
- * @access public
- */
- function getModelID()
- {
- return $this->modelID;
- }
-
-
-
- /**
- * Returns the database connection object
- *
- * @return ADOdb Database object
- * @access public
- */
- function &getDbConn()
- {
- return $this->dbConn;
- }
-
-
-
- /**
- * Write the RDF serialization of the _DbModel as HTML.
- *
- * @access public
- */
- function writeAsHtml() {
-
- $memModel =& $this->getMemModel();
- $memModel->writeAsHtml();
- }
-
-
- /**
- * Write the RDF serialization of the DbModel as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable() {
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- $memModel =& $this->getMemModel();
- RDFUtil::writeHTMLTable($memModel);
- }
-
-
- /**
- * Write the RDF serialization of the DbModel to string.
- *
- * @return string
- * @access public
- */
- function writeRdfToString() {
-
- $memModel =& $this->getMemModel();
- return $memModel->writeRdfToString();
- }
-
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the DbModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the DbModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf') {
-
- $memModel = $this->getMemModel();
- $memModel->saveAs($filename, $type);
-
- }
-
-
- /**
- * Check if the DbModel contains the given statement.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement) {
-
- $sql = 'SELECT modelID FROM statements
- WHERE modelID = ' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO($statement->subj, $statement->pred, $statement->obj);
-
- $res =& $this->dbConn->getOne($sql);
-
- if (!$res)
- return FALSE;
- return TRUE;
- }
-
-
- /**
- * Determine if all of the statements in the given model are also contained in this DbModel.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if(!$this->contains($statement))
- return FALSE;
- return TRUE;
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $recordSet =& $this->_getRecordSet($model);
- while (!$recordSet->EOF) {
- if (!$this->_containsRow($recordSet->fields))
- return FALSE;
- $recordSet->moveNext();
- }
- return TRUE;
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Determine if any of the statements in the given model are also contained in this DbModel.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if($this->contains($statement))
- return TRUE;
- return FALSE;
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $recordSet =& $this->_getRecordSet($model);
- while (!$recordSet->EOF) {
- if ($this->_containsRow($recordSet->fields))
- return TRUE;
- $recordSet->moveNext();
- }
- return FALSE;
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: containsAny): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * General method to search for triples in the DbModel.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function find($subject, $predicate, $object) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
-
- // write the recordSet into memory Model
- else
- return $this->_convertRecordSetToMemModel($recordSet);
- }
-
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches
- *the regular expression.
- * Return an empty MemModel if nothing is found.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: Mhis method loads a DbModel into memory and performs the search
- * on a MemModel, which can be slow with large models.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex) {
-
- $mm =& $this->getMemModel();
-
- return $mm->findRegex($subject_regex, $predicate_regex, $object_regex);
- }
-
-
- /**
- * Return all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Return an empty model if nothing is found.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findVocabulary($vocabulary) {
-
- $sql = "SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = " .$this->modelID ."
- AND predicate LIKE '" .$vocabulary ."%'";
-
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
-
- // write the recordSet into memory Model
- else
- return $this->_convertRecordSetToMemModel($recordSet);
- }
-
-
- /**
- * Search for triples and return the first matching statement.
- * NULL input for any parameter will match anything.
- * Return an NULL if nothing is found.
- * You can set an search offset with $offset.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = -1) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->selectLimit($sql,1,($offset));
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else {
- if (!$recordSet->fields)
- return NULL;
- else {
- $memModel = $this->_convertRecordSetToMemModel($recordSet);
- return $memModel->triples[0];
- }
- }
- }
-
-
- /**
- * Search for triples and return the number of matches.
- * NULL input for any parameter will match anything.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return integer
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findCount($subject, $predicate, $object) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT COUNT(*)
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else
- return $recordSet->fields[0];
- }
-
-
- /**
- * Perform an RDQL query on this DbModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function rdqlQuery($queryString, $returnNodes = TRUE) {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // this method can only query this DbModel
- // if another model was specified in the from clause throw an error
- if (isset($parsedQuery['sources'][0]))
- if($parsedQuery['sources'][0] != $this->modelURI) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: rdqlQuery):';
- $errmsg .= ' this method can only query this DbModel';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $engine = new RdqlDbEngine();
- $res =& $engine->queryModel($this, $parsedQuery, $returnNodes);
-
- return $res;
- }
-
-
- /**
- * Perform an RDQL query on this DBModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE) {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- return new RdqlResultIterator($this->rdqlQuery($queryString, $returnNodes));
- }
-
- /**
- * General method to replace nodes of a DbModel.
- * NULL input for any parameter will match nothing.
- * Example: $m->replace($resource, NULL, $node, $replacement);
- * Replaces all $node objects beeing subject or object in
- * any triple of the model with the $replacement node.
- * Throw an error in case of a paramter mismatch.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function replace($subject, $predicate, $object, $replacement) {
-
- // check the correctness of the passed parameters
- if ( ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) ||
- (($subject != NULL && is_a($replacement, 'Literal')) ||
- ($predicate != NULL && (is_a($replacement, 'Literal') ||
- is_a($replacement, 'BlankNode')))) )
- {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameter mismatch';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!(!$subject && !$predicate && !$object)) {
-
- // create an update sql statement
- $comma = '';
- $sql = 'UPDATE statements
- SET ';
- if ($subject) {
- $sql .= " subject ='" .$replacement->getLabel() ."', "
- ." subject_is='" .$this->_getNodeFlag($replacement) ."' ";
- $comma = ',';
- }
- if ($predicate) {
- $sql .= $comma ." predicate='" .$replacement->getLabel() ."' ";
- $comma = ',';
- }
- if ($object) {
- $quotedObject = $this->dbConn->qstr($replacement->getLabel());
- $sql .= $comma .' object=' .$quotedObject
- .", object_is='" .$this->_getNodeFlag($replacement) ."' ";
- if (is_a($replacement, 'Literal')) {
- $sql .= ", l_language='" .$replacement->getLanguage() ."' "
- .", l_datatype='" .$replacement->getDataType() ."' ";
- }
- }
- $sql .= 'WHERE modelID = ' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $rs =& $this->dbConn->execute($sql);
-
- if (!$rs)
- echo $this->dbConn->errorMsg();
- }
- }
-
-
- /**
- * Check if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * Warning: This method doesn't work correct with models where the same blank node has different
- * identifiers in the two models. We will correct this in a future version.
- *
- * @param object model &$that
- * @return boolean
- * @throws PhpError
- * @access public
- */
-
- function equals(&$that) {
-
- if (!is_a($that, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: equals): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if ($this->size() != $that->size())
- return FALSE;
-
- include_once(RDFAPI_INCLUDE_DIR. "util/ModelComparator.php");
- return ModelComparator::compare($this,$that);
- }
-
-
- /**
- * Return a new MemModel that is the set-union the model with another model.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- *
- */
- function & unite(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: unite): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->unite($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->unite($thatModel);
- }
- }
-
-
- /**
- * Return a new MemModel that is the subtraction of another model from this DbModel.
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- */
-
- function & subtract(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: subtract): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->subtract($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->subtract($thatModel);
- }
- }
-
-
- /**
- * Return a new MemModel containing all the statements which are in both
- * this model and the given model.
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- */
- function & intersect(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->intersect($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->intersect($thatModel);
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: intersect: Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Add the given model to this DbModel.
- * This function monitors for SQL errors, and will commit if no errors have occured,
- * otherwise it will rollback.
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @throws PhpError
- * @access public
- */
- function addModel(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: addModel): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $blankNodes_tmp = array();
-
- if (is_a($model, 'MemModel')) {
-
- $this->dbConn->startTrans();
- foreach ($model->triples as $statement)
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- $this->addParsedNamespaces($model->getParsedNamespaces());
-
- $this->dbConn->completeTrans();
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $this->dbConn->startTrans();
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $statement)
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- $this->addParsedNamespaces($model->getParsedNamespaces());
- $this->dbConn->completeTrans();
- }
- }
-
-
- /**
- * Reify the DbModel.
- * Return a new MemModel that contains the reifications of all statements of this DbModel.
- *
- * @return object MemModel
- * @access public
- */
- function & reify() {
-
- $memModel =& $this->getMemModel();
- return $memModel->reify();
- }
-
- /**
- * Remove this DbModel from database and clean up.
- * This function monitors for SQL errors, and will commit if no errors have occured,
- * otherwise it will rollback.
- *
- * @throws SqlError
- * @access public
- */
- function delete() {
-
- $this->dbConn->startTrans();
- $this->dbConn->execute('DELETE FROM models
- WHERE modelID=' .$this->modelID);
- $this->dbConn->execute('DELETE FROM statements
- WHERE modelID=' .$this->modelID);
- $this->dbConn->execute('DELETE FROM namespaces
- WHERE modelID=' .$this->modelID);
-
- if (!$this->dbConn->completeTrans())
- echo $this->dbConn->errorMsg();
- else
- $this->close();
- }
-
-
- /**
- * Close this DbModel
- *
- * @access public
- */
- function close() {
-
- unset($this);
- }
-
-
- // =============================================================================
- // **************************** private methods ********************************
- // =============================================================================
-
-
-
-
-
- /**
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * Used at setting the baseURI of this DbModel.
- *
- * @param string $uri
- * @return string
- * @access private
- */
- function _checkBaseURI($uri) {
-
- if ($uri != NULL) {
- $c = substr($uri, strlen($uri)-1 ,1);
- if (!($c=='#' || $c==':' || $c=='/' || $c=="\\"))
- $uri .= '#';
- }
- return $uri;
- }
-
-
- /**'
- * Return the flag of the Node object.
- * r - Resource, b - BlankNode, l - Literal
- *
- * @param object Node $object
- * @return string
- * @access private
- */
- function _getNodeFlag($object) {
-
- return is_a($object,'BlankNode')?'b':(is_a($object,'Resource')?'r':'l');
- }
-
-
- /**
- * Convert an ADORecordSet to a memory Model.
- *
- * Every successful database query returns an ADORecordSet object which is actually
- * a cursor that holds the current row in the array fields[].
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * !!! This method can only be applied to a RecordSet with array fields[]
- * !!! containing a representation of the database table: statements,
- * !!! with an index corresponding to following table columns:
- * !!! [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * !!! [4] - l_datatype, [5] - subject_is, [6] - object_is
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @param object ADORecordSet
- * @return object MemModel
- * @access private
- */
- function _convertRecordSetToMemModel(&$recordSet) {
-
- $res = new MemModel($this->baseURI);
- while (!$recordSet->EOF) {
-
- // subject
- if ($recordSet->fields[5] == 'r')
- $sub = new Resource($recordSet->fields[0]);
- else
- $sub = new BlankNode($recordSet->fields[0]);
-
- // predicate
- $pred = new Resource($recordSet->fields[1]);
-
- // object
- if ($recordSet->fields[6] == 'r')
- $obj = new Resource($recordSet->fields[2]);
- elseif ($recordSet->fields[6] == 'b')
- $obj = new BlankNode($recordSet->fields[2]);
- else {
- $obj = new Literal($recordSet->fields[2], $recordSet->fields[3]);
- if ($recordSet->fields[4])
- $obj->setDatatype($recordSet->fields[4]);
- }
-
- $statement = new Statement($sub, $pred, $obj);
- $res->add($statement);
-
- $recordSet->moveNext();
- }
- $res->addParsedNamespaces($this->getParsedNamespaces());
- return $res;
- }
-
-
- /**
- * Create the dynamic part of an sql statement selecting triples with the
- * given parameters ($subject, $predicate, $object).
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return string
- * @access private
- */
- function _createDynSqlPart_SPO($subject, $predicate, $object) {
-
- // conditions derived from the parameters passed to the function
-
- $subject_is=is_a($subject,'BlankNode')?'b':(is_a($subject,'Resource')?'r':'l');
- $sql='';
- if ($subject != NULL)
- $sql .= " AND subject='" .$subject->getLabel() ."'
- AND subject_is='" .$subject_is ."'";
- if ($predicate != NULL)
- $sql .= " AND predicate='" .$predicate->getLabel() ."'";
- if ($object != NULL) {
- $object_is = is_a($object,'BlankNode')?'b':(is_a($object,'Resource')?'r':'l');
- if (is_a($object, 'Resource'))
- $sql .= " AND object='" .$object->getLabel() ."'
- AND object_is ='" .$object_is ."'";
- else {
- $quotedLiteral = $this->dbConn->qstr($object->getLabel());
- $sql .= " AND object=" .$quotedLiteral ."
- AND l_language='" .$object->getLanguage() ."'
- AND l_datatype='" .$object->getDataType() ."'
- AND object_is ='" .$object_is ."'";
- }
- }
- return $sql;
- }
-
-
- /**
- * Get an ADORecordSet with array fields[] containing a representation of
- * the given DbModel stored in the table: statements, with an index corresponding
- * to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- * (This method operates on data from a DbModel without loading it into a memory model
- * in order to save resources and improve speed).
- *
- * @param object DbModel $DbModel
- * @return object ADORecordSet
- * @access private
- */
- function _getRecordSet (&$dbModel) {
-
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$dbModel->modelID;
-
- return $recordSet =& $this->dbConn->execute($sql);
- }
-
-
- /**
- * Check if this DbModel contains the given row from the array fields[] of an ADORecordSet
- * The array index corresponds to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- *
- * @param array $row
- * @return boolean
- * @access private
- */
- function _containsRow ($row) {
-
- $sql = "SELECT modelID FROM statements
- WHERE modelID = " .$this->modelID ."
- AND subject =" .$this->dbConn->qstr($row[0]) ."
- AND predicate =" .$this->dbConn->qstr($row[1]) ."
- AND object =" .$this->dbConn->qstr($row[2]) ."
- AND l_language=" .$this->dbConn->qstr($row[3]) ."
- AND l_datatype=" .$this->dbConn->qstr($row[4]) ."
- AND subject_is=" .$this->dbConn->qstr($row[5]) ."
- AND object_is=" .$this->dbConn->qstr($row[6]);
-
- $res =& $this->dbConn->getOne($sql);
-
- if (!$res)
- return FALSE;
- return TRUE;
- }
-
-
-
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gauss
- * @return mixed Array of key-value pairs. Namespace is the key,
- * prefix the value. If no namespaces are found,
- * boolean false is returned.
- *
- * @access public
- */
- function getParsedNamespaces(){
- $sql = "SELECT * FROM namespaces
- WHERE modelID = " .$this->modelID;
- $temp = false;
- $res = $this->dbConn->execute($sql);
- if($res){
- while (!$res->EOF) {
- $temp[$res->fields[1]]=$res->fields[2];
- $res->moveNext();
- }
- }
- return $temp;
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gauss
- * @param array $newNs Array of namespace => prefix assignments
- *
- * @access public
- */
- function addParsedNamespaces($newNs){
- if($newNs)
- foreach($newNs as $namespace => $prefix){
- $this->addNamespace($prefix, $namespace);
- }
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gauss
- * @param string $prefix Prefix
- * @param string $nmsp Namespace URI
- *
- * @access public
- */
- function addNamespace($prefix,$nmsp){
-
- if($nmsp != '' && $prefix !=''){
- if($this->_checkNamespace($nmsp)){
- $sql = "UPDATE namespaces SET prefix=".$this->dbConn->qstr($prefix)." WHERE
- modelID=".$this->modelID." AND namespace=".$this->dbConn->qstr($nmsp);
- }else{
- $sql = "INSERT INTO namespaces
- (modelID, namespace, prefix)
- VALUES
- (" .$this->modelID .','
- . $this->dbConn->qstr($nmsp) . ','
- . $this->dbConn->qstr($prefix) . ')';
- }
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
- }
-
- /**
- * checks if a namespace is already in the model.
- *
- * @author Tobias Gau�
- * @access private
- * @param Array $newNs
- */
- function _checkNamespace($nmsp){
- $res = true;
- $sql = "SELECT * FROM namespaces
- WHERE modelID = " .$this->modelID." AND
- namespace=" . $this->dbConn->qstr($nmsp);
- $rs =& $this->dbConn->execute($sql);
- if (!$rs){
- $this->dbConn->errorMsg();
- }else{
- if($rs->fields == false)
- $res = false;
- }
- return $res;
-
-
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & iterFind($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- $if = new IterFind($this,$sub,$pred,$obj);
- return $if;
- }
-
- /**
- * Removes a single namespace from the model
- *
- * @author Tobias Gauss
- * @param string $nmsp Namespace URI
- *
- * @return mixed True if all went well, error message otherwise
- *
- * @access public
- */
- function removeNamespace($nmsp){
-
- $sql = 'DELETE FROM namespaces
- WHERE modelID=' .$this->modelID." AND namespace=". $this->dbConn->qstr($nmsp);
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- return $this->dbConn->errorMsg();
- else {
- return true;
- }
- }
-
-
-
-
- /**
- * Add the given row from the array fields[] of an ADORecordSet to this DbModel
- * The array index corresponds to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- *
- * @param array $row
- * @throws SqlError
- * @access private
- *
- function _insertRow ($row) {
-
- $quotedObject = $this->dbConn->qstr($row[2]);
- $sql = "INSERT INTO statements VALUES
- (" .$this->modelID .","
- ."'" .$row[0] ."',"
- ."'" .$row[1] ."',"
- ."" .$quotedObject .","
- ."'" .$row[3] ."',"
- ."'" .$row[4] ."',"
- ."'" .$row[5] ."',"
- ."'" .$row[6] ."')";
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
- */
-
-} // end: Class DbModel
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbStore.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbStore.php.svn-base
deleted file mode 100755
index a065097b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/DbStore.php.svn-base
+++ /dev/null
@@ -1,917 +0,0 @@
-
- * @author Daniel Westphal (http://www.d-westphal.de)
- *
- * @package model
- * @access public
- */
-
-
-class DbStore extends Object
-{
- /**
- * Array with all supported database types
- *
- * @var array
- */
- public static $arSupportedDbTypes = array(
- "MySQL",
- "MySQLi",
- "MSSQL",
- 'MsAccess'
- );
-
- /**
- * Database connection object
- *
- * @var object ADOConnection
- * @access private
- */
- var $dbConn;
-
- /**
- * Database driver name
- *
- * @var string
- */
- protected $driver = null;
-
- /**
- * SparqlParser so we can re-use it
- * @var Parser
- */
- var $queryParser = null;
-
-
-/**
- * Constructor:
- * Set the database connection with the given parameters.
- *
- * @param string $dbDriver
- * @param string $host
- * @param string $dbName
- * @param string $user
- * @param string $password
- * @access public
- */
- function DbStore ($dbDriver=ADODB_DB_DRIVER, $host=ADODB_DB_HOST, $dbName=ADODB_DB_NAME,
- $user=ADODB_DB_USER, $password=ADODB_DB_PASSWORD) {
-
- // include DBase Package
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_DBASE);
-
- // create a new connection object
- $this->dbConn =& ADONewConnection($dbDriver);
- $this->driver = $dbDriver;
-
- //activate the ADOdb DEBUG mode
- if (ADODB_DEBUG_MODE == '1')
- $this->dbConn->debug = true;
-
- // connect to database
- $r = $this->dbConn->NConnect($host, $user, $password, $dbName);
- if ($r !== true) {
- throw new Exception('Could not connect to database');
- }
-
- // optimized for speed
- $this->dbConn->setFetchMode(ADODB_FETCH_NUM);
- //$ADODB_COUNTRECS = FALSE;
- }
-
-
-
-/**
- * List all DbModels stored in the database.
- *
- * @return array
- * @throws SqlError
- * @access public
- */
- function listModels() {
-
- $recordSet =& $this->dbConn->execute("SELECT modelURI, baseURI
- FROM models");
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else {
- $models = array();
- $i=0;
- while (!$recordSet->EOF) {
-
- $models[$i]['modelURI'] = $recordSet->fields[0];
- $models[$i]['baseURI'] = $recordSet->fields[1];
-
- ++$i;
- $recordSet->moveNext();
- }
- return $models;
- }
- }
-
-
-/**
- * Check if the DbModel with the given modelURI is already stored in the database
- *
- * @param string $modelURI
- * @return boolean
- * @throws SqlError
- * @access public
- */
- function modelExists($modelURI) {
-
- $res =& $this->dbConn->execute("SELECT COUNT(*) FROM models
- WHERE modelURI = '" .$modelURI ."'");
- if (!$res)
- echo $this->dbConn->errorMsg();
- else {
- if (!$res->fields[0]) {
- $res->Close();
- return FALSE;
- } else {
- $res->Close();
- return TRUE;
- }
- }
- }
-
-
-
- /**
- * Returns the database connection object
- *
- * @return ADOdb Database object
- * @access public
- */
- function &getDbConn()
- {
- return $this->dbConn;
- }
-
-
-/**
- * Create a new instance of DbModel with the given $modelURI and
- * load the corresponding values of modelID and baseURI from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param string $modelURI
- * @return object DbModel
- * @access public
- */
- function getModel($modelURI) {
-
- if (!$this->modelExists($modelURI))
- return FALSE;
- else {
- $modelVars =& $this->dbConn->execute("SELECT modelURI, modelID, baseURI
- FROM models
- WHERE modelURI='" .$modelURI ."'");
-
- return new DbModel($this->dbConn, $modelVars->fields[0],
- $modelVars->fields[1], $modelVars->fields[2]);
- }
- }
-
-
-/**
- * Create a new instance of DbModel with the given $modelURI
- * and insert the DbModel variables into the database.
- * Return FALSE if there is already a model with the given URI.
- *
- * @param string $modelURI
- * @param string $baseURI
- * @return object DbModel
- * @throws SqlError
- * @access public
- */
- function getNewModel($modelURI, $baseURI=NULL) {
-
- if ($this->modelExists($modelURI))
- return FALSE;
- else {
- $modelID = $this->_createUniqueModelID();
-
- $rs =& $this->dbConn->execute("INSERT INTO models
- (modelID, modelURI, baseURI)
- VALUES (" .$modelID .",
- " .$this->dbConn->qstr($modelURI) .",
- " .$this->dbConn->qstr($baseURI) .")");
-
- if (!$rs)
- return $this->dbConn->errorMsg();
- else
- return new DbModel($this->dbConn, $modelURI, $modelID, $baseURI);
- }
- }
-
-
-/**
- * Store a MemModel or another DbModel from a different DbStore in the database.
- * Return FALSE if there is already a model with modelURI matching the modelURI
- * of the given model.
- *
- * @param object Model &$model
- * @param string $modelURI
- * @return boolean
- * @access public
- */
- function putModel(&$model, $modelURI=NULL) {
-
- if (!$modelURI) {
- if (is_a($model, 'MemModel'))
- $modelURI = 'DbModel-' .$this->_createUniqueModelID();
- else
- $modelURI = $model->modelURI;
- }else
- if ($this->modelExists($modelURI))
- return FALSE;
-
-
- $newDbModel = $this->getNewModel($modelURI, $model->getBaseURI());
- $newDbModel->addModel($model);
- }
-
-
-/**
- * Close the DbStore.
- * !!! Warning: If you close the DbStore all active instances of DbModel from this
- * !!! DbStore will lose their database connection !!!
- *
- * @access public
- */
- function close() {
-
- $this->dbConn->close();
- unset($this);
- }
-
-
-// =============================================================================
-// **************************** private methods ********************************
-// =============================================================================
-
-
-/**
- * Create a unique ID for the DbModel to be insert into the models table.
- * This method was implemented because some databases do not support auto-increment.
- *
- * @return integer
- * @access private
- */
- function _createUniqueModelID() {
-
- $maxModelID =& $this->dbConn->GetOne('SELECT MAX(modelID) FROM models');
- return ++$maxModelID;
- }
-
- /**
- * Create a unique ID for the dataset to be insert into the datasets table.
- * This method was implemented because some databases do not support auto-increment.
- *
- * @return integer
- * @access private
- */
- function _createUniqueDatasetID() {
-
- $maxDatasetID =& $this->dbConn->GetOne('SELECT MAX(datasetId) FROM datasets');
- return ++$maxDatasetID;
- }
-
-
-
- /**
- * Sets up tables for RAP.
- * DOES NOT CHECK IF TABLES ALREADY EXIST
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @throws Exception If database type is unsupported
- * @access public
- **/
- public function createTables($databaseType = null)
- {
- $driver = $this->getDriver($databaseType);
- self::assertDriverSupported($driver);
-
- $createFunc = '_createTables_' . $driver;
- return $this->$createFunc();
- }//public function createTables($databaseType="MySQL")
-
-
-
- /**
- * Create tables and indexes for MsAccess database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- protected function _createTables_MsAccess()
- {
- $this->dbConn->startTrans();
-
- $this->dbConn->execute('CREATE TABLE models
- (modelID long primary key,
- modelURI varchar not null,
- baseURI varchar)');
-
- $this->dbConn->execute('CREATE UNIQUE INDEX m_modURI_idx ON models (modelURI)');
-
- $this->dbConn->execute('CREATE TABLE statements
- (modelID long,
- subject varchar,
- predicate varchar,
- object Memo,
- l_language varchar,
- l_datatype varchar,
- subject_is varchar(1),
- object_is varchar(1),
- primary key (modelID, subject, predicate, object,
- l_language, l_datatype))');
-
- $this->dbConn->execute('CREATE INDEX s_mod_idx ON statements (modelID)');
- $this->dbConn->execute('CREATE INDEX s_sub_idx ON statements (subject)');
- $this->dbConn->execute('CREATE INDEX s_pred_idx ON statements (predicate)');
- $this->dbConn->execute('CREATE INDEX s_obj_idx ON statements (object)');
-
- $this->dbConn->execute('CREATE TABLE namespaces
- (modelID long,
- namespace varchar,
- prefix varchar,
- primary key (modelID, namespace, prefix))');
-
- $this->dbConn->execute('CREATE INDEX n_name_idx ON namespaces (namespace)');
- $this->dbConn->execute('CREATE INDEX n_pref_idx ON namespaces (prefix)');
-
- $this->dbConn->execute("CREATE TABLE datasets
- (datasetName varchar,
- defaultModelUri varchar,
- primary key (datasetName))");
-
- $this->dbConn->execute('CREATE INDEX nGS_idx1 ON datasets (datasetName)');
-
-
- $this->dbConn->execute("CREATE TABLE `dataset_model` (
- datasetName varchar,
- modelId long,
- graphURI varchar,
- PRIMARY KEY (modelId,datasetName))");
-
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Create tables and indexes for MySQL database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- function _createTables_MySQL()
- {
-
- $this->dbConn->startTrans();
-
- $this->dbConn->execute("CREATE TABLE models
- (modelID bigint NOT NULL,
- modelURI varchar(255) NOT NULL,
- baseURI varchar(255) DEFAULT '',
- primary key (modelID))");
-
- $this->dbConn->execute('CREATE UNIQUE INDEX m_modURI_idx ON models (modelURI)');
-
- $this->dbConn->execute("CREATE TABLE statements
- (modelID bigint NOT NULL,
- subject varchar(255) NOT NULL,
- predicate varchar(255) NOT NULL,
- object text,
- l_language varchar(255) DEFAULT '',
- l_datatype varchar(255) DEFAULT '',
- subject_is varchar(1) NOT NULL,
- object_is varchar(1) NOT NULL)");
-
- $this->dbConn->execute("CREATE TABLE namespaces
- (modelID bigint NOT NULL,
- namespace varchar(255) NOT NULL,
- prefix varchar(255) NOT NULL,
- primary key (modelID,namespace))");
-
- $this->dbConn->execute("CREATE TABLE `dataset_model` (
- `datasetName` varchar(255) NOT NULL default '0',
- `modelId` bigint(20) NOT NULL default '0',
- `graphURI` varchar(255) NOT NULL default '',
- PRIMARY KEY (`modelId`,`datasetName`))");
-
- $this->dbConn->execute("CREATE TABLE `datasets` (
- `datasetName` varchar(255) NOT NULL default '',
- `defaultModelUri` varchar(255) NOT NULL default '0',
- PRIMARY KEY (`datasetName`),
- KEY `datasetName` (`datasetName`))");
-
- $this->dbConn->execute('CREATE INDEX s_mod_idx ON statements (modelID)');
- $this->dbConn->execute('CREATE INDEX n_mod_idx ON namespaces (modelID)');
-
- $this->dbConn->execute('CREATE INDEX s_sub_pred_idx ON statements
- (subject(200),predicate(200))');
-
- $this->dbConn->execute('CREATE INDEX s_sub_idx ON statements (subject(200))');
- $this->dbConn->execute('CREATE INDEX s_pred_idx ON statements (predicate(200))');
- $this->dbConn->execute('CREATE INDEX s_obj_idx ON statements (object(250))');
-
- $this->dbConn->execute('CREATE FULLTEXT INDEX s_obj_ftidx ON statements (object)');
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Creates tables on a MySQLi database
- */
- function _createTables_MySQLi()
- {
- return $this->_createTables_MySQL();
- }//function _createTables_MySQLi()
-
-
-
- /**
- * Create tables and indexes for MSSQL database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- function _createTables_MSSQL()
- {
- $this->dbConn->startTrans();
-
- $this->dbConn->execute("CREATE TABLE [dbo].[models] (
- [modelID] [int] NOT NULL ,
- [modelURI] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [baseURI] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
- ) ON [PRIMARY]");
-
- $this->dbConn->execute("CREATE TABLE [dbo].[statements] (
- [modelID] [int] NOT NULL ,
- [subject] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [predicate] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [object] [text] COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [l_language] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [l_datatype] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [subject_is] [nchar] (1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [object_is] [nchar] (1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
- ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]");
-
-
- $this->dbConn->execute("CREATE TABLE [dbo].[namespaces] (
- [modelID] [int] NOT NULL ,
- [namespace] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
- [prefix] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- ) ON [PRIMARY]");
-
- $this->dbConn->execute("ALTER TABLE [dbo].[models] WITH NOCHECK ADD
- CONSTRAINT [PK_models] PRIMARY KEY CLUSTERED
- (
- [modelID]
- ) ON [PRIMARY] ");
- $this->dbConn->execute("ALTER TABLE [dbo].[namespaces] WITH NOCHECK ADD
- CONSTRAINT [PK_namespaces] PRIMARY KEY CLUSTERED
- (
- [modelID],[namespace]
- ) ON [PRIMARY] ");
-
- $this->dbConn->execute("CREATE INDEX [joint index on subject and predicate] ON [dbo].[statements]([subject], [predicate]) ON [PRIMARY]");
-
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Checks if tables are setup for RAP
- *
- * @param string $databaseType
- * @throws Exception If database type is unsupported
- * @access public
- **/
- public function isSetup($databaseType = null)
- {
- $driver = $this->getDriver($databaseType);
- self::assertDriverSupported($driver);
-
- $issetupFunc = '_isSetup_' . $driver;
- return $this->$issetupFunc();
- }//public function isSetup($databaseType="MySQL")
-
-
-
- /**
- * Returns the driver for the database type.
- * You can pass NULL or omit the parameter to
- * use the parameter from the dbstore constructor
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @return string Database driver string (e.g. MySQL)
- */
- public function getDriver($databaseType = null)
- {
- if ($databaseType === null) {
- if ($this->driver === null) {
- //backward compatibility
- $databaseType = 'MySQL';
- } else {
- $databaseType = $this->driver;
- }
- }
- if (!self::isDriverSupported($databaseType)) {
- //check if it is a known driver in wrong case
- $arLowercases = array_map('strtolower', self::$arSupportedDbTypes);
- $arMapping = array_combine($arLowercases, self::$arSupportedDbTypes);
- if (isset($arMapping[strtolower($databaseType)])) {
- $databaseType = $arMapping[strtolower($databaseType)];
- }
- }
- return $databaseType;
- }//public function getDriver($databaseType = null)
-
-
-
- /**
- * Returns if the given driver is supported
- *
- * @return boolean True if it supported, false if not
- */
- public static function isDriverSupported($databaseType)
- {
- return in_array($databaseType, self::$arSupportedDbTypes);
- }//public static function isDriverSupported($databaseType)
-
-
-
- /**
- * Checks if the given driver is supported and throws an
- * Exception if not.
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @return true If it does not fail
- *
- * @throws Exception If the driver is not supported
- */
- public static function assertDriverSupported($databaseType)
- {
- if (!self::isDriverSupported($databaseType)) {
- throw new Exception(
- 'Unsupported database type, only supported: '
- . implode(', ', self::$arSupportedDbTypes)
- );
- }
- return true;
- }//public static function assertDriverSupported($databaseType)
-
-
-
- /**
- * Checks if tables are setup for RAP (MySql)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MySQL()
- {
- $recordSet =& $this->dbConn->execute("SHOW TABLES");
- if (!$recordSet) {
- throw new Exception($this->dbConn->errorMsg());
- } else {
- $tables = array();
- while (!$recordSet->EOF) {
- $tables[]= $recordSet->fields[0];
- if (isset($i)) {
- ++$i;
- }
- $recordSet->moveNext();
- }
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)) {
- return true;
- }
- }
- return false;
- }//function _isSetup_MySQL()
-
-
-
- /**
- * Checks if tables are setup for RAP (MySQLi)
- *
- * @see _isSetup_MySQL()
- */
- function _isSetup_MySQLi()
- {
- return $this->_isSetup_MySQL();
- }//function _isSetup_MySQLi()
-
-
-
- /**
- * Checks if tables are setup for RAP (MsAccess)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MsAccess()
- {
- $tables =& $this->dbConn->MetaTables();
- if (!$tables) {
- throw new Exception($this->dbConn->errorMsg());
- }
- if (count($tables) == 0) {
- return false;
- } else {
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)) {
- return true;
- } else {
- return false;
- }
- }
- }//function _isSetup_MsAccess()
-
-
-
- /**
- * Checks if tables are setup for RAP (MSSQL)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MSSQL()
- {
- $tables =& $this->dbConn->MetaTables();
- if (!$tables) {
- throw new Exception($this->dbConn->errorMsg());
- }
- if (count($tables) == 0) {
- return false;
- } else {
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)){
- return true;
- } else {
- return false;
- }
- }
- }//function _isSetup_MSSQL()
-
-
- /**
- * Create a new instance of DatasetDb with the given $datasetName
- * and insert the DatasetDb variables into the database.
- * Return FALSE if there is already a model with the given URI.
- *
- * @param $datasetName string
- * @return object DatasetDB
- * @throws SqlError
- * @access public
- */
- function & getNewDatasetDb($datasetName)
- {
-
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if ($this->datasetExists($datasetName))
- return FALSE;
- else
- {
- $defaultModelUri=uniqid('http://rdfapi-php/dataset_defaultmodel_');
- $defaultModel=$this->getNewModel($defaultModelUri);
-
- $rs =& $this->dbConn->execute("INSERT INTO datasets
- VALUES ('" .$this->dbConn->qstr($datasetName) ."',
- '" .$this->dbConn->qstr($defaultModelUri)."')");
-
- if (!$rs)
- $this->dbConn->errorMsg();
- else
- $return=new DatasetDb($this->dbConn, $this, $datasetName);
- return ($return);
- }
- }
-
- /**
- * Check if the Dataset with the given $datasetName is already stored in the database
- *
- * @param $datasetName string
- * @return boolean
- * @throws SqlError
- * @access public
- */
-function datasetExists($datasetName) {
-
- $res =& $this->dbConn->execute("SELECT COUNT(*) FROM datasets
- WHERE datasetName = '" .$datasetName ."'");
- if (!$res)
- echo $this->dbConn->errorMsg();
- else {
- if (!$res->fields[0])
- return FALSE;
- return TRUE;
- }
- }
-
-
- /**
- * Create a new instance of DatasetDb with the given $datasetName and
- * load the corresponding values from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param $datasetId string
- * @return object DatasetDb
- * @access public
- */
- function &getDatasetDb($datasetName) {
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if (!$this->datasetExists($datasetName)) {
- return FALSE;
- } else {
- $return = new DatasetDb($this->dbConn, $this, $datasetName);
- return ($return);
- }
- }
-
- /**
- * Create a new instance of namedGraphDb with the given $modelURI and graphName and
- * load the corresponding values of modelID and baseURI from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param $modelURI string
- * @param $graphName string
- * @return object NamedGraphMem
- * @access public
- */
- function getNamedGraphDb($modelURI, $graphName)
- {
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if (!$this->modelExists($modelURI))
- return FALSE;
- else {
- $modelVars =& $this->dbConn->execute("SELECT modelURI, modelID, baseURI
- FROM models
- WHERE modelURI='" .$modelURI ."'");
-
- return new NamedGraphDb($this->dbConn, $modelVars->fields[0],
- $modelVars->fields[1], $graphName ,$modelVars->fields[2]);
- }
- }
-
- /**
- * Create a new instance of namedGraphDb with the given $modelURI and graphName
- * and insert the DbModel variables into the database (not the graphName. This
- * is only stored persistently, when added to dataset).
- * Return FALSE if there is already a model with the given URI.
- *
- * @param $modelURI string
- * @param $graphName string
- * @param $baseURI string
- * @return object namedGraphDb
- * @throws SqlError
- * @access public
- */
- function getNewNamedGraphDb($modelURI, $graphName, $baseURI=NULL) {
-
- if ($this->modelExists($modelURI))
- return FALSE;
- else {
- $modelID = $this->_createUniqueModelID();
-
- $rs =& $this->dbConn->execute("INSERT INTO models
- (modelID, modelURI, baseURI)
- VALUES (" .$modelID ."',
- " .$this->dbConn->qstr($modelURI) ."',
- " .$this->dbConn->qstr($baseURI) .")");
- if (!$rs)
- $this->dbConn->errorMsg();
- else
- return new NamedGraphDb($this->dbConn, $modelURI, $modelID, $graphName, $baseURI);
- }
- }
-
- /**
- * Removes the graph with all statements from the database.
- * Warning: A single namedGraph can be added to several datasets. So it'll be
- * removed from all datasets.
- *
- * @param $modelURI string
- * @return boolean
- * @throws SqlError
- * @access public
- */
- function removeNamedGraphDb($modelURI)
- {
- if (!$this->modelExists($modelURI))
- return FALSE;
-
- $modelID = $this->dbConn->GetOne("SELECT modelID FROM models WHERE modelURI='".$modelURI."'");
-
- $this->dbConn->execute("DELETE FROM models WHERE modelID=".$modelID);
- $this->dbConn->execute("DELETE FROM dataset_model WHERE modelId=".$modelID);
- $this->dbConn->execute("DELETE FROM statements WHERE modelID=".$modelID);
-
- return true;
- }
-
-
-
- /**
- * Performs a SPARQL query against a model. The model is converted to
- * an RDF Dataset. The result can be retrived in SPARQL Query Results XML Format or
- * as an array containing the variables an their bindings.
- *
- * @param string $query Sparql query string
- * @param mixed $arModelIds Array of modelIDs, or NULL to use all models
- * @param string $resultform Result form ('xml' for SPARQL Query Results XML Format)
- * @return string/array
- */
- function sparqlQuery($query, $arModelIds = null, $resultform = false)
- {
- $engine = $this->_prepareSparql($arModelIds);
- return $engine->queryModel(
- null,
- $this->_parseSparqlQuery($query),
- $resultform
- );
- }//function sparqlQuery($query,$resultform = false)
-
-
-
- /**
- * Prepares everything for SparqlEngine-usage
- * Loads the files, creates instances for SparqlEngine and
- * Dataset...
- *
- * @return SparqlEngineDb
- */
- function _prepareSparql($arModelIds)
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb.php';
- return new SparqlEngineDb($this, $arModelIds);
- }//function _prepareSparql()
-
-
-
- /**
- * Parses an query and returns the parsed form.
- * If the query is not a string but a Query object,
- * it will just be returned.
- *
- * @param $query mixed String or Query object
- * @return Query query object
- * @throws Exception If $query is no string and no Query object
- */
- function _parseSparqlQuery($query)
- {
- if ($this->queryParser === null) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlParser.php';
- $this->queryParser = new SparqlParser();
- }
- return $this->queryParser->parse($query);
- }//function _parseSparqlQuery($query)
-
-} // end: Class DbStore
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Literal.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Literal.php.svn-base
deleted file mode 100755
index cc9b6365..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Literal.php.svn-base
+++ /dev/null
@@ -1,188 +0,0 @@
-
- * @author Daniel Westphal
- *
- * @package model
- * @access public
- *
- */
- class Literal extends Node {
-
- /**
- * Label of the literal
- * @var string
- * @access private
- */
- var $label;
- /**
- * Language of the literal
- * @var string
- * @access private
- */
- var $lang;
-
- /**
- * Datatype of the literal
- * @var string
- * @access private
- */
- var $dtype;
-
-
- /**
- * Constructor
- *
- * @param string $str label of the literal
- * @param string $language optional language identifier
- * @param string $datatype optional datatype
- *
- */
- function Literal($str, $language = NULL, $datatype = null)
- {
- $this->label = $str;
-
- if ($language != NULL) {
- $this->lang = $language;
- } else {
- $this->lang = NULL;
- }
-
- if ($datatype != null) {
- $this->dtype = $datatype;
- } else {
- $this->dtype = NULL;
- }
- }
-
- /**
- * Returns the string value of the literal.
- *
- * @access public
- * @return string value of the literal
- */
- function getLabel() {
-
- return $this->label;
- }
-
- /**
- * Returns the language of the literal.
- *
- * @access public
- * @return string language of the literal
- */
- function getLanguage() {
-
- return $this->lang;
- }
-
- /**
- * Sets the language of the literal.
- *
- * @access public
- * @param string $lang
- */
- function setLanguage($lang) {
-
- $this->lang = $lang;
- }
-
- /**
- * Returns the datatype of the literal.
- *
- * @access public
- * @return string datatype of the literal
- */
- function getDatatype() {
-
- return $this->dtype;
- }
-
- /**
- * Sets the datatype of the literal.
- * Instead of datatype URI, you can also use an datatype shortcuts like STRING or INTEGER.
- * The array $short_datatype with the possible shortcuts is definded in ../constants.php
- *
- * @access public
- * @param string URI of XML datatype or datatype shortcut
- *
- */
- function setDatatype($datatype) {
- GLOBAL $short_datatype;
- if (stristr($datatype,DATATYPE_SHORTCUT_PREFIX)) {
- $this->dtype = $short_datatype[substr($datatype,strlen(DATATYPE_SHORTCUT_PREFIX)) ];}
- else
- $this->dtype = $datatype;
- }
-
- /**
- * Checks if ihe literal equals another literal.
- * Two literals are equal, if they have the same label and they
- * have the same language/datatype or both have no language/datatype property set.
- *
- * @access public
- * @param object literal $that
- * @return boolean
- */
- function equals ($that) {
-
- if (($that == NULL) or !(is_a($that, 'Literal'))) {
- return false;
- }
-
- if ( ($this->label == $that->getLabel()) && ( ( ($this->lang == $that->getLanguage()) ||
- ($this->lang == NULL && $that->getLanguage() == NULL) ) &&
-
- (
- ($this->dtype == $that->getDatatype() ||
- ($this->dtype == NULL && $that->getDatatype() == NULL)) ) ) )
- {
- return true;
- }
-
- return false;
- }
-
- /**
- * Dumps literal.
- *
- * @access public
- * @return string
- */
- function toString() {
- $dump = 'Literal("' . $this->label .'"';
- if ($this->lang != NULL)
- $dump .= ', lang="' . $this->lang .'"';
- if ($this->dtype != NULL)
- $dump .= ', datatype="' . $this->dtype .'"';
- $dump .= ')';
- return $dump;
- }
-
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Literal
- */
- function __toString()
- {
- return $this->toString();
- }
-
-
-} // end: Literal
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/MemModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/MemModel.php.svn-base
deleted file mode 100755
index 17faaa45..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/MemModel.php.svn-base
+++ /dev/null
@@ -1,1460 +0,0 @@
-
-* @author Gunnar AAstrand Grimnes
-* @author Radoslaw Oldakowski
-* @author Daniel Westphal
-* @author Tobias Gauß
-*
-* @package model
-* @access public
-*/
-
-class MemModel extends Model {
-
- /**
- * Triples of the MemModel
- * @var array
- * @access private
- */
- var $triples = array();
-
- /**
- * Array containing the search indices
- * @var array['INDEX_TYPE'][]['label'][]['PosInModel']
- *
- * @access private
- */
- var $indexArr ;
-
-
- /**
- * depending on which index is used this variable is -1,0,1,2 or 3
- *
- * -1 : no index
- * 0 : default indices over subject, predicate, object separate
- * 1 : index over subject+predicate+object
- * 2 : index over subject+predicate
- * 3 : index over subject+object
- *
- * @var int
- * @access private
- */
- var $indexed;
-
-
-
- /**
- * Array of namespaces
- *
- * @var array
- * @access private
- */
- var $parsedNamespaces=array();
-
-
-
- /**
- * Constructor
- * You can supply a base_uri
- *
- * @param string $baseURI
- * @access public
- */
- function MemModel($baseURI = NULL) {
- $this->setBaseURI($baseURI);
- $this->indexed = INDEX_TYPE;
- }
-
- /**
- * Set a base URI for the MemModel.
- * Affects creating of new resources and serialization syntax.
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * @param string $uri
- * @access public
- */
- function setBaseURI($uri) {
-
- if ($uri != NULL) {
- $c = substr($uri, strlen($uri)-1 ,1);
- if (!($c=='#' || $c==':' || $c=='/' || $c=="\\"))
- $uri .= '#';
- }
- $this->baseURI = $uri;
- }
-
-
- /**
- * Number of triples in the MemModel
- *
- * @return integer
- * @access public
- */
- function size() {
- return count($this->triples);
- }
-
- /**
- * Checks if MemModel is empty
- *
- * @return boolean
- * @access public
- */
- function isEmpty() {
- if (count($this->triples) == 0) {
- return TRUE;
- } else {
- return FALSE;
- };
- }
-
-
- /**
- * Adds a new triple to the MemModel without checking if the statement is already in the MemModel.
- * So if you want a duplicate free MemModel use the addWithoutDuplicates() function (which is slower then add())
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement) {
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: add): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if($this->indexed != -1){
- $this->triples[] = $statement;
- end($this->triples);
- $k=key($this->triples);
- if($this->indexed==0){
- // index over S
- $this->_indexOpr($statement,$k,4,1);
- // index over P
- $this->_indexOpr($statement,$k,5,1);
- // index over O
- $this->_indexOpr($statement,$k,6,1);
- }else{
- $this->_indexOpr($statement,$k,$this->indexed,1);
- }
-
- }else{
- $this->triples[] = $statement;
- }
- }
-
-
-
- /**
- * Checks if a new statement is already in the MemModel and adds the statement, if it is not in the MemModel.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates($statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: addWithoutDuplicates): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!$this->contains($statement)) {
- $this->add($statement);
- return true;
- }else{
- return false;
- }
- }
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: remove): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if($this->indexed==-1){
- $pass=false;
- foreach($this->triples as $key => $value) {
- if ($this->matchStatement($value, $statement->subject(), $statement->predicate(), $statement->object())) {
- unset($this->triples[$key]);
- $pass= true;
- }
- }
- return $pass;
- }else{
- $k= null;
- if($this->indexed==0){
- $pass=false;
- $del=false;
- while($del!=-1){
- // index over S
- $del=$this->_indexOpr($statement,$k,4,0);
- // index over P
- $this->_indexOpr($statement,$k,5,0);
- // index over O
- $this->_indexOpr($statement,$k,6,0);
- if($del!=-1){
- unset($this->triples[$del]);
- $pass=true;
- }
- }
- return $pass;
- }else{
- $pass=false;
- $del=false;
- while($del!=-1){
- $del=$this->_indexOpr($statement,$k,$this->indexed,0);
- if($del!=-1){
- unset($this->triples[$del]);
- $pass=true;
- }
- }
- return $pass;
- }
- }
- }
-
- /**
- * Short Dump of the MemModel.
- *
- * @access public
- * @return string
- */
- function toString() {
- return 'MemModel[baseURI=' . $this->getBaseURI() . '; size=' . $this->size() . ']';
- }
-
- /**
- * Dumps of the MemModel including all triples.
- *
- * @access public
- * @return string
- */
- function toStringIncludingTriples() {
- $dump = $this->toString() . chr(13);
- foreach($this->triples as $value) {
- $dump .= $value->toString() . chr(13);
- }
- return $dump;
- }
-
-
-
-
- /**
- * Writes the RDF serialization of the MemModel as HTML.
- *
- * @access public
- */
- function writeAsHtml() {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this);
- $rdf = htmlspecialchars($rdf, ENT_QUOTES);
- $rdf = str_replace(' ', ' ', $rdf);
- $rdf = nl2br($rdf);
- echo $rdf;
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- RDFUtil::writeHTMLTable($this);
- }
-
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- * @return string
- */
- function writeRdfToString() {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this);
- return $rdf;
- }
-
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the MemModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the MemModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf') {
-
-
- // get suffix and create a corresponding serializer
- if ($type=='rdf') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser=new RdfSerializer();
- }elseif ($type=='nt') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $ser=new NTripleSerializer();
- }elseif ($type=='n3') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $ser=new N3Serializer();
- }else {
- print ('Serializer type not properly defined. Use the strings "rdf","n3" or "nt".');
- return false;
- };
-
- return $ser->saveAs($this, $filename);
- }
-
-
- /**
- * Tests if the MemModel contains the given triple.
- * TRUE if the triple belongs to the MemModel;
- * FALSE otherwise.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement) {
-
- // no index ->linear contains
- if ($this->indexed==-1){
- foreach($this->triples as $value) {
- if ($value->equals($statement)){
- return TRUE; }
- }
- return false;
- }
- if ($this->indexed==0){
- $res = $this->_containsIndex($statement,4);
- return $res;
- }else{
- return $this->_containsIndex($statement,$this->indexed);
- }
- }
-
-
- /**
- * Determine if all of the statements in a model are also contained in this MemModel.
- * True if all of the statements in $model are also contained in this MemModel and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if(!$this->contains($statement))
- return FALSE;
- return TRUE;
-
- }elseif (is_a($model, 'DbModel'))
-
- return $model->containsAll($this);
-
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Determine if any of the statements in a model are also contained in this MemModel.
- * True if any of the statements in $model are also contained in this MemModel and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $modelStatement)
- if($this->contains($modelStatement))
- return TRUE;
- return FALSE;
-
- }elseif (is_a($model, 'DbModel'))
-
- return $model->containsAny($this);
-
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Builds a search index for the statements in the MemModel.
- * The index is used by the find(),contains(),add() and remove() functions.
- * Performance example using a model with 43000 statements on a Linux machine:
- * Find without index takes 1.7 seconds.
- * Indexing takes 1.8 seconds.
- * Find with index takes 0.001 seconds.
- * So if you want to query a model more then once, build a index first.
- * The defaultindex is indices over subject, predicate, object seperate.
- *
- * mode = 0 : indices over subject,predicate,object (default)
- * mode = 1 : index over subject+predicate+object
- * mode = 2 : index over subject+predicate
- * mode = 3 : index over subject+object
- *
- * @param int $mode
- * @access public
- */
- function index($mode) {
-
- unset($this->indexArr);
- $this->indexArr=array();
- switch($mode){
- // unset indices
- case -1:
- $this->indexed=-1;
- unset($this->indexArr);
- break;
- // index over SPO
- case 0:
- $this->indexed=0;
- foreach($this->triples as $k => $t) {
- // index over S
- $this->_indexOpr($t,$k,4,1);
- // index over P
- $this->_indexOpr($t,$k,5,1);
- // index over O
- $this->_indexOpr($t,$k,6,1);
- }
- break;
- default:
- $this->indexed=$mode;
- foreach($this->triples as $k => $t) {
- $this->_indexOpr($t,$k,$this->indexed,1);
- }
- break;
- }
- }
-
-
- /**
- * Returns true if there is an index, false if not.
- *
- * @return boolean
- * @access public
- */
- function isIndexed() {
- if($this->indexed!=-1){
- return TRUE;
- }else{
- return FALSE;
- }
- }
-
- /**
- * Returns the indextype:
- * -1 if there is no index, 0 if there are indices over S,P,O(separate),
- * 1 if there is an index over SPO, 2 if there is an index over SP and 3 if
- * there is an index over SO.
- *
- * @return int
- * @access public
- *
- */
- function getIndexType(){
- return $this->indexed;
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- * Returns an empty MemModel if nothing is found.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
-
- function find($subject,$predicate,$object) {
-
- if (
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = new MemModel($this->getBaseURI());
- $res->indexed=-1;
-
- if($this->isEmpty())
- return $res;
-
- if($subject == NULL && $predicate == NULL && $object == NULL)
- return $this;
-
- switch($this->indexed){
- case 1:
- if($subject!=NULL && $predicate != NULL && $object != NULL){
- $pos=$subject->getLabel().$predicate->getLabel().$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,1);
- }else{
- break;
- }
-
- case 2:
- if($subject!=NULL && $predicate != NULL){
- $pos=$subject->getLabel().$predicate->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,2);
- }else{
- break;
- }
-
- case 3:
- if($subject!=NULL && $object != NULL){
- $pos=$subject->getLabel().$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,3);
- }else{
- break;
- }
- case 0:
- if($subject!= null){
- $pos=$subject->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,4);
- }
- if($predicate!= null){
- $pos=$predicate->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,5);
- }
- if($object!= null){
- $pos=$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,6);
- }
- }
- // if no index: linear search
- foreach($this->triples as $value) {
- if ($this->matchStatement($value, $subject, $predicate, $object))
- $res->add($value);
- }
- return $res;
-
- }
-
-
-
-
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches the regular expression.
- * Returns an empty MemModel if nothing is found.
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex) {
-
- $res = new MemModel($this->getBaseURI());
-
- if($this->size() == 0)
- return $res;
-
- if($subject_regex == NULL && $predicate_regex == NULL && $object_regex == NULL)
- return $this;
-
- foreach($this->triples as $value) {
- if (
- ($subject_regex == NULL || preg_match($subject_regex, $value->subj->getLabel())) &&
- ($predicate_regex == NULL || preg_match($predicate_regex, $value->pred->getLabel())) &&
- ($object_regex == NULL || preg_match($object_regex, $value->obj->getLabel()))
- ) $res->add($value);
- }
-
- return $res;
-
- }
-
- /**
- * Returns all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Returns an empty MemModel if nothing is found.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @access public
- */
- function findVocabulary($vocabulary) {
-
- if($this->size() == 0)
- return new MemModel();
- if($vocabulary == NULL || $vocabulary == '')
- return $this;
-
- $res = new MemModel($this->getBaseURI());
- if($this->indexed==0){
- foreach($this->indexArr[5] as $key => $value){
- $pos=strpos($key,'#')+1;
- if(substr($key,0,$pos)==$vocabulary){
- for($i=1;$i<=$value[0];$i++){
- $res->add($this->triples[$value[$i]]);
- }
- }
- }
- return $res;
- }else{
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- foreach($this->triples as $value) {
- if (RDFUtil::getNamespace($value->getPredicate()) == $vocabulary)
- $res->add($value);
- }
- return $res;
- }
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement of the MemModel where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search for. Default = 0
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = 0) {
-
- $currentOffset = 0;
- for($i=0;$i<=$offset;$i++)
- {
- $res = $this->findFirstMatchOff($subject, $predicate, $object, $currentOffset);
- $currentOffset=$res+1;
- }
- if ($res != -1) {
- return $this->triples[$res];
- } else {
- return NULL;
- }
- }
-
-
-
-
- /**
- * Searches for triples and returns the first matching statement from a given offset.
- * This method is used by the util/findIterator. NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node, $off );
- * Returns the position of the first statement of the MemModel where the object equals $node from the given
- * offset.
- * Returns an -1 if nothing is found.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param int $off
- * @return int
- * @access private
- */
- function findFirstMatchOff($subject,$predicate, $object,$off) {
-
- if (
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $match=-1;
- $ind=$this->indexed;
- if($subject == NULL && $predicate == NULL && $object == NULL)
- {
- foreach ($this->triples as $key => $statement)
- {
- if ($key >= $off)
- return $key;
- }
- return -1;
- }
-
- switch($ind){
- case 1:
- if($subject!=NULL && $predicate != NULL && $object != NULL){
- $pos=$subject->getLabel().$predicate->getLabel().$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,1,$off);
- }else{
- break;
- }
-
- case 2:
- if($subject!=NULL && $predicate != NULL){
- $pos=$subject->getLabel().$predicate->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,2,$off);
- }else{
- break;
- }
-
- case 3:
- if($subject!=NULL && $object != NULL){
- $pos=$subject->getLabel().$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,3,$off);
- }else{
- break;
- }
- case 0:
- if($subject!= null){
- $pos=$subject->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,4,$off);
- }
- if($predicate!= null){
- $pos=$predicate->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,5,$off);
- }
- if($object!= null){
- $pos=$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,6,$off);
- }
- break;
- }
- // if no index: linear search
- foreach($this->triples as $key => $value){
- if ($this->matchStatement($value, $subject, $predicate, $object)){
- if($off<=$key){
- $match=$key;
- break;
- }
- }
- }
- return $match;
- }
-
-
- /**
- * Searches for triples and returns the number of matches.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findCount( NULL, NULL, $node );
- * Finds all triples with $node as object.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return integer
- * @access public
- */
- function findCount($subject, $predicate, $object) {
-
- $res = $this->find($subject, $predicate, $object);
- return $res->size();
-
- }
-
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function rdqlQuery($queryString, $returnNodes = TRUE) {
-
- // Import RDQL Package
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
-
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // this method can only query this MemModel
- // if another model was specified in the from clause throw an error
- if (isset($parsedQuery['sources'][1])) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: rdqlQuery):';
- $errmsg .= ' this method can only query this MemModel';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $engine = new RdqlMemEngine();
- $res =& $engine->queryModel($this, $parsedQuery, $returnNodes);
-
- return $res;
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE) {
- // Import RDQL Package
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- return new RdqlResultIterator($this->rdqlQuery($queryString, $returnNodes));
- }
-
- /**
- * General method to replace nodes of a MemModel.
- * NULL input for any parameter will match nothing.
- * Example: $m->replace($node, NULL, $node, $replacement);
- * Replaces all $node objects beeing subject or object in
- * any triple of the MemModel with the $needle node.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @access public
- * @throws PhpError
- */
- function replace($subject, $predicate, $object, $replacement) {
-
- if (
- (!is_a($replacement, 'Node')) ||
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: replace): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if($this->size() == 0)
- break;
- foreach($this->triples as $key => $value) {
- if ($this->triples[$key]->subj->equals($subject)) {
- $this->triples[$key]->subj = $replacement;
- }
- if ($this->triples[$key]->pred->equals($predicate))
- $this->triples[$key]->pred = $replacement;
- if ($this->triples[$key]->obj->equals($object))
- $this->triples[$key]->obj = $replacement;
-
- }
- $this->index($this->indexed);
- }
-
-
- /**
- * Internal method that checks, if a statement matches a S, P, O or NULL combination.
- * NULL input for any parameter will match anything.
- *
- * @param object Statement $statement
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return boolean
- * @access private
- */
- function matchStatement($statement, $subject, $predicate, $object) {
-
- if(($subject != NULL) AND !($statement->subj->equals($subject)))
- return false;
-
- if($predicate != NULL && !($statement->pred->equals($predicate)))
- return false;
-
- if($object != NULL && !($statement->obj->equals($object)))
- return false;
-
- return true;
- }
-
-
-
-
- /**
- * Checks if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * @access public
- * @param object model &$that
- * @throws phpErrpr
- * @return boolean
- */
-
- function equals(&$that) {
-
- if (!is_a($that, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: equals): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if ($this->size() != $that->size())
- return FALSE;
- /*
- if (!$this->containsAll($that))
- return FALSE;
- return TRUE;
- */
- include_once(RDFAPI_INCLUDE_DIR. "util/ModelComparator.php");
- return ModelComparator::compare($this,$that);
- }
-
- /**
- * Returns a new MemModel that is the set-union of the MemModel with another model.
- * Duplicate statements are removed. If you want to allow duplicates, use addModel() which is much faster.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- *
- */
- function & unite(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: unite): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = $this;
-
- if (is_a($model, 'MemModel')) {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $res->addWithoutDuplicates($statement);
- }
- }
-
- elseif (is_a($model, 'DbModel')) {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $res->addWithoutDuplicates($value);
- }
-
- return $res;
- }
-
- /**
- * Returns a new MemModel that is the subtraction of another model from this MemModel.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
-
- function & subtract(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: subtract): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = $this;
-
-
- if (is_a($model, 'MemModel'))
- {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $res->remove($statement);
- }
- }
- elseif (is_a($model, 'DbModel'))
- {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $res->remove($value);
- }
-
-
- return $res;
- }
-
- /**
- * Returns a new MemModel containing all the statements which are in both this MemModel and another.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function & intersect(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: intersect: Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = new MemModel($this->getBaseURI());
-
- if (is_a($model, 'DbModel') || is_a($model, 'RDFSBModel'))
- {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value) {
- if ($this->contains($value))
- $res->add($value);
- }
- }
-
- elseif (is_a($model, 'MemModel'))
- {
- foreach($model->triples as $value) {
- if ($this->contains($value))
- $res->add($value);
- }
- }
-
-
-
- return $res;
- }
-
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: addModel): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $blankNodes_tmp = array();
-
- if (is_a($model, 'MemModel')) {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- };
- $this->addParsedNamespaces($model->getParsedNamespaces());
- }
-
- elseif (is_a($model, 'DbModel')) {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $this->_addStatementFromAnotherModel($value, $blankNodes_tmp);
- }
- $this->index($this->indexed);
- }
-
-
- /**
- * Reifies the MemModel.
- * Returns a new MemModel that contains the reifications of all statements of this MemModel.
- *
- * @access public
- * @return object MemModel
- */
- function & reify() {
- $res = new MemModel($this->getBaseURI());
-
- $stateIt=$this->getStatementIterator();
- while($statement=$stateIt->next())
- {
- $pointer =& $statement->reify($res);
- $res->addModel($pointer);
- };
-
- return $res;
- }
-
- /**
- * Returns a StatementIterator for traversing the MemModel.
- * @access public
- * @return object StatementIterator
- */
- function & getStatementIterator() {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
-
- $si = new StatementIterator($this);
- return $si;
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & findAsIterator($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/FindIterator.php';
-
- $if = new FindIterator($this,$sub,$pred,$obj);
- return $if;
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & iterFind($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/IterFind.php';
-
- $if = new IterFind($this,$sub,$pred,$obj);
- return $if;
- }
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gau�
- * @access public
- * @return Array
- */
- function getParsedNamespaces(){
- if(count($this->parsedNamespaces)!=0){
- return $this->parsedNamespaces;
- }else{
- return false;
- }
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gau�
- * @access public
- * @param Array $newNs
- */
- function addParsedNamespaces($newNs){
- if($newNs)
- $this->parsedNamespaces = $this->parsedNamespaces + $newNs;
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gau�
- * @access public
- * @param String
- * @param String
- */
- function addNamespace($prefix, $nmsp){
- $this->parsedNamespaces[$nmsp]=$prefix;
- }
-
- /**
- * removes a single namespace from the model
- *
- * @author Tobias Gau�
- * @access public
- * @param String $nmsp
- */
- function removeNamespace($nmsp){
- if(isset($this->parsedNamespaces[$nmsp])){
- unset($this->parsedNamespaces[$nmsp]);
- return true;
- }else{
- return false;
- }
- }
-
-
-
- /**
- * Close the MemModel and free up resources held.
- *
- * @access public
- */
- function close() {
- unset( $this->baseURI );
- unset( $this->triples );
- }
-
- // =============================================================================
- // *************************** helper functions ********************************
- // =============================================================================
- /**
- * Checks if $statement is in index
- *
- * @param int $ind
- * @param Statement &$statement
- * @return boolean
- * @access private
- */
- function _containsIndex(&$statement,$ind){
- switch($ind){
- case 4:
- $sub=$statement->getSubject();
- $pos=$sub->getLabel();
- break;
- case 1:
- $sub=$statement->getSubject();
- $pred=$statement->getPredicate();
- $obj=$statement->getObject();
- $pos=$sub->getLabel().$pred->getLabel().$obj->getLabel();
- break;
- case 2:
- $sub=$statement->getSubject();
- $pred=$statement->getPredicate();
- $pos=$sub->getLabel().$pred->getLabel();
- break;
- case 3:
- $sub=$statement->getSubject();
- $obj=$statement->getObject();
- $pos=$sub->getLabel().$obj->getLabel();
- break;
- }
-
- if (!isset($this->indexArr[$ind][$pos]))
- return FALSE;
- foreach ($this->indexArr[$ind][$pos] as $key => $value) {
- $t=$this->triples[$value];
- if ($t->equals($statement))
- return TRUE;
- }
- return FALSE;
- }
-
-
-
-
-
- /**
- * finds a statement in an index. $pos is the Position in the index
- * and $ind the adequate searchindex
- *
- * @param String $pos
- * @param Object Subject &$subject
- * @param Object Predicate &$predicate
- * @param Object Object &$object
- * @param int &ind
- * @return MemModel $res
- * @access private
- */
- function _findInIndex($pos,&$subject,&$predicate,&$object,$ind){
- $res = new MemModel($this->getBaseURI());
- $res->indexed=-1;
- if (!isset($this->indexArr[$ind][$pos]))
- return $res;
- foreach($this->indexArr[$ind][$pos] as $key =>$value){
- $t=$this->triples[$value];
- if ($this->matchStatement($t,$subject,$predicate,$object))
- $res->add($t);
- }
- return $res;
- }
- /**
- * adds/removes a statement into/from an index.
- * mode=0 removes the statement from the index;
- * mode=1 adds the statement into the index.
- * returns the statements position.
- *
- * @param Object Statement &$statement
- * @param int $k
- * @param int $ind
- * @param int $mode
- * @return int $k
- * @access private
- */
- function _indexOpr(&$statement,$k,$ind,$mode){
- // determine position in adequate index
- switch($ind){
- case 1:
- $s=$statement->getSubject();
- $p=$statement->getPredicate();
- $o=$statement->getObject();
- $pos=$s->getLabel().$p->getLabel().$o->getLabel();
- break;
- case 2:
- $s=$statement->getSubject();
- $p=$statement->getPredicate();
- $pos=$s->getLabel().$p->getLabel();
- break;
- case 3:
- $s=$statement->getSubject();
- $o=$statement->getObject();
- $pos=$s->getLabel().$o->getLabel();
- break;
- case 4:
- $s=$statement->getSubject();
- $pos=$s->getLabel();
- break;
- case 5:
- $p=$statement->getPredicate();
- $pos=$p->getLabel();
- break;
- case 6:
- $o=$statement->getObject();
- $pos=$o->getLabel();
- break;
- }
- switch($mode){
- // add in Index
- case 1:
- if(isset($this->indexArr[$ind][$pos])){
- $this->indexArr[$ind][$pos][] = $k;
- }else{
- $this->indexArr[$ind][$pos][0] = $k;
- }
- break;
- // remove from Index
- case 0:
- $subject=$statement->getSubject();
- $predicate=$statement->getPredicate();
- $object=$statement->getObject();
- $k=-1;
- if(!isset($this->indexArr[$ind][$pos])){
- return -1;
- }
- $num=count($this->indexArr[$ind][$pos]);
- foreach($this->indexArr[$ind][$pos] as $key => $value){
- $t=$this->triples[$value];
- if($this->matchStatement($t,$subject,$predicate,$object)){
- $k=$value;
- if($num==1){
- unset($this->indexArr[$ind][$pos]);
- }else{
- unset($this->indexArr[$ind][$pos][$key]);
- }
- return $k;
- }
- }
- break;
- }
- return $k;
- }
-
-
- /**
- * finds next or previous matching statement.
- * Returns Position in model or -1 if there is no match.
- *
- *
- * @param String
- * @param object Subject
- * @param object Predicate
- * @param object Object
- * @param integer
- * @param integer
- * @return integer
- * @access private
- */
- function _findMatchIndex($pos,&$s,&$p,&$o,$ind,$off){
- $match=-1;
- if (!isset($this->indexArr[$ind][$pos])) {
- return $match;}
- foreach($this->indexArr[$ind][$pos] as $key =>$value){
- $t=$this->triples[$value];
- if ($this->matchStatement($t,$s,$p,$o)){
- if($off <= $value){
- $match= $value;
- return $match;
- }
- }
- }
-
- return $match;
-
- }
-
-
-
-
-} // end: MemModel
-
-
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Model.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Model.php.svn-base
deleted file mode 100755
index f61e31a1..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Model.php.svn-base
+++ /dev/null
@@ -1,566 +0,0 @@
- triples, where P is a uriref, S is either
- * a uriref or a blank node, and O is either a uriref, a blank node, or a literal.
- *
- *
- * @version $Id$
- * @author Radoslaw Oldakowski
- * @author Daniel Westphal
- *
- * @package model
- * @access public
- */
-class Model extends Object
-{
- /**
- * Base URI of the Model.
- * Affects creating of new resources and serialization syntax.
- *
- * @var string
- * @access private
- */
- var $baseURI;
-
- /**
- * Number of the last assigned bNode.
- *
- * @var integer
- * @access private
- */
- var $bNodeCount;
-
- /**
- * SparqlParser so we can re-use it
- * @var Parser
- */
- var $queryParser = null;
-
-
-
- /**
- * Notice for people who are used to work with older versions of RAP.
- *
- * @throws PHPError
- * @access public
- */
- function Model()
- {
-
- $errmsg = 'Since RAP 0.6 the class for manipulating memory models has been renamed to MemModel.';
- $errmsg .= '
Sorry for this inconvenience.
';
-
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
-
- /**
- * Return current baseURI.
- *
- * @return string
- * @access public
- */
- function getBaseURI()
- {
- return $this->baseURI;
- }
-
-
-
- /**
- * Load a model from a file containing RDF, N3, N-Triples or a xhtml document containing RDF.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to this DbModel.
- *
- * @param string $filename
- * @param string $type
- * @param boolean $stream
- * @access public
- */
- function load($filename, $type = NULL, $stream=false)
- {
- if ((isset($type)) && ($type =='n3') OR ($type =='nt')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- }elseif ((isset($type)) && ($type =='rdf')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- }elseif ((isset($type)) && ($type =='grddl')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- }elseif ((isset($type)) && ($type =='rss')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RSS);
- $parser = new RssParser();
- }else {
- // create a parser according to the suffix of the filename
- // if there is no suffix assume the file to be XML/RDF
- preg_match("/\.([a-zA-Z0-9_]+)$/", $filename, $suffix);
- if (isset($suffix[1]) && (strtolower($suffix[1]) == 'n3' OR strtolower($suffix[1]) == 'nt')){
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- }elseif (isset($suffix[1]) && (strtolower($suffix[1]) == 'htm' OR strtolower($suffix[1]) == 'html' OR strtolower($suffix[1]) == 'xhtml')){
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- }else{
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- }
- };
-
- if (($stream && $type=='rdf')||($stream && $type=='n3')) {
- $temp=&$parser->generateModel($filename,false,$this);
- } else{
- $temp=&$parser->generateModel($filename);
- }
- $this->addModel($temp);
- if($this->getBaseURI()== null)
- $this->setBaseURI($temp->getBaseURI());
- }
-
- /**
- * This method takes a string conatining data and adds the parsed data to this model.
- *
- * @param string $str The string containing the data to be parsed and loaded.
- * @param type $type The type of the string, currently only 'json' is supported.
- */
- function loadFromString($str, $type) {
-
- switch ($type) {
- case 'json':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_JSON);
- $parser = new JsonParser();
- break;
- case 'n3':
- case 'nt':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- break;
- case 'rdf':
- case 'rdfxml':
- case 'xml':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- break;
- case 'grddl':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- break;
- case 'rss':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RSS);
- $parser = new RssParser();
- break;
- default:
- trigger_error('(class: Model; method: loadFromString): type ' . $type . 'is currently not supported',
- E_USER_ERROR);
- }
-
- if ($parser instanceof JsonParser) {
- $parser->generateModelFromString($str, $this);
- } else {
- $parser->generateModel($str, false, $this);
- }
- }
-
- /**
- * Adds a statement from another model to this model.
- * If the statement to be added contains a blankNode with an identifier
- * already existing in this model, a new blankNode is generated.
- *
- * @param Object Statement $statement
- * @access private
- */
- function _addStatementFromAnotherModel($statement, &$blankNodes_tmp)
- {
- $subject = $statement->getSubject();
- $object = $statement->getObject();
-
- if (is_a($subject, "BlankNode")) {
- $label = $subject->getLabel();
- if (!array_key_exists($label, $blankNodes_tmp))
- {
- if ($this->findFirstMatchingStatement($subject, NULL, NULL)
- || $this->findFirstMatchingStatement(NULL, NULL, $subject))
- {
- $blankNodes_tmp[$label] = new BlankNode($this);
- $statement->subj = $blankNodes_tmp[$label];
- } else {
- $blankNodes_tmp[$label] = $subject;
- }
- } else
- $statement->subj = $blankNodes_tmp[$label];
- }
-
- if (is_a($object, "BlankNode")) {
- $label = $object->getLabel();
- if (!array_key_exists($label, $blankNodes_tmp))
- {
- if ($this->findFirstMatchingStatement($object, NULL, NULL)
- || $this->findFirstMatchingStatement(NULL, NULL, $object))
- {
- $blankNodes_tmp[$label] = new BlankNode($this);
- $statement->obj = $blankNodes_tmp[$label];
- } else {
- $blankNodes_tmp[$label] = $object;
- }
- } else
- $statement->obj = $blankNodes_tmp[$label];
- }
- $this->add($statement);
- }
-
-
-
- /**
- * Internal method, that returns a resource URI that is unique for the Model.
- * URIs are generated using the base_uri of the DbModel, the prefix and a unique number.
- * If no prefix is defined, the bNode prefix, defined in constants.php, is used.
- *
- * @param string $prefix
- * @return string
- * @access private
- */
- function getUniqueResourceURI($prefix = false)
- {
- static $bNodeCount;
- if(!$bNodeCount)
- $bNodeCount = 0;
-
- if(!$prefix)
- $prefix=BNODE_PREFIX;
-
- return $prefix.++$bNodeCount;
- }
-
-
-
- /**
- * Returns a ResModel with this model as baseModel. This is the same as
- * ModelFactory::getResModelForBaseModel($this).
- *
- * @return object ResModel
- * @access public
- */
- function & getResModel()
- {
- return ModelFactory::getResModelForBaseModel($this);
- }
-
-
-
- /**
- * Returns an OntModel with this model as baseModel.
- * $vocabulary has to be one of the following constants (currently only one is supported):
- * RDFS_VOCABULARY to select a RDFS Vocabulary.
- *
- * This is the same as ModelFactory::getOntModelForBaseModel($this, $vocabulary).
- *
- * @param constant $vocabulary
- * @return object OntModel
- * @access public
- */
- function & getOntModel($vocabulary)
- {
- return ModelFactory::getOntModelForBaseModel($this, $vocabulary);
- }
-
-
-
- /**
- * Searches for triples using find() and tracks forward blank nodes
- * until the final objects in the retrieved subgraphs are all named resources.
- * The method calls itself recursivly until the result is complete.
- * NULL input for subject, predicate or object will match anything.
- * Inputparameters are ignored for recursivly found statements.
- * Returns a new MemModel or adds (without checking for duplicates)
- * the found statements to a given MemModel.
- * Returns an empty MemModel, if nothing is found.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: This method can be slow with large models.
- * NOTE: Blank nodes are not renamed, they keep the same nodeIDs
- * as in the queried model!
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton Koestlbacher
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object MemModel $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
- function findForward($subject, $predicate, $object, &$newModel = NULL)
- {
- if (!is_a($newModel, "MemModel"))
- {
- $newModel = New MemModel;
- }
-
- if (is_a($this, "DbModel"))
- {
- $model = $this;
- $res = $model->find($subject, $predicate, $object);
- $it = $res->getStatementIterator();
- }
- elseif (is_a($this, "MemModel")) {
- $model = $this;
- $it = $model->findAsIterator($subject, $predicate, $object);
- }
- elseif (is_a($this, "ResModel")) {
- $model = $this->model;
- $it = $model->findAsIterator($subject, $predicate, $object);
- }
-
- while ($it->hasNext())
- {
- $statement = $it->next();
- $newModel->add($statement);
- if (is_a($statement->object(),'BlankNode'))
- {
- $model->findForward($statement->object(), NULL, NULL, $newModel);
- }
- }
- return $newModel;
- }
-
-
-
- /**
- * Perform an RDQL query on this Model. Should work with all types of models.
- * This method returns a MemModel containing the result statements.
- * If $closure is set to TRUE, the result will additionally contain
- * statements found by the findForward-method for blank nodes.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: If called with $closure = TRUE this method
- * can be slow with large models.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton K�tlbacher
- * @author code snippets taken from the RAP Netapi by Phil Dawes and Chris Bizer
- * @access public
- * @param string $queryString
- * @param boolean $closure
- * @return object MemModel
- *
- */
- function & getMemModelByRDQL($queryString, $closure = FALSE)
- {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // If there are variables used in the pattern but not
- // in the select clause, add them to the select clause
- foreach ($parsedQuery['patterns'] as $n => $pattern)
- {
- foreach ($pattern as $key => $val_1)
- {
- if ($val_1['value']{0}=='?')
- {
- if (!in_array($val_1['value'],$parsedQuery['selectVars']))
- {
- array_push($parsedQuery['selectVars'],$val_1['value']);
- }
- }
- }
- }
-
- if (is_a($this, "DbModel"))
- {
- $engine = new RdqlDbEngine();
- $model = $this;
- }
- elseif (is_a($this, "MemModel"))
- {
- $engine = new RdqlMemEngine();
- $model = $this;
- }
- elseif (is_a($this, "ResModel"))
- {
- $engine = new RdqlMemEngine();
- $model = $this->model;
- }
-
- $res = $engine->queryModel($model,$parsedQuery,TRUE);
- $rdqlIter = new RdqlResultIterator($res);
- $newModel = new MemModel();
-
- // Build statements from RdqlResultIterator
- while ($rdqlIter->hasNext()) {
- $result = $rdqlIter->next();
- foreach ($parsedQuery['patterns'] as $n => $pattern)
- {
- if (substr($pattern['subject']['value'], 0, 1) == '?')
- {
- $subj = $result[$pattern['subject']['value']];
- }
- else
- {
- $subj = new Resource($pattern['subject']['value']);
- }
- if (substr($pattern['predicate']['value'], 0, 1) == '?')
- {
- $pred = $result[$pattern['predicate']['value']];
- }
- else
- {
- $pred = new Resource($pattern['predicate']['value']);
- }
-
- if (substr($pattern['object']['value'], 0, 1) == '?')
- {
- $obj = $result[$pattern['object']['value']];
- }
- else
- {
- if (isset($pattern['object']['is_literal']))
- {
- $obj = new Literal($pattern['object']['value']);
- $obj->setDatatype($pattern['object']['l_dtype']);
- $obj->setLanguage($pattern['object']['l_lang']);
- }
- else
- {
- $obj = new Resource($pattern['object']['value']);
- }
- }
-
- $statement = new Statement($subj,$pred,$obj);
- $newModel->add($statement);
-
- // findForward() Statements containing an eventually given blank node
- // and add them to the result, if closure = true
- if (is_a($statement->object(),'BlankNode') && $closure == True)
- {
- $newModel = $model->findForward($statement->object(),NULL,NULL, $newModel);
- }
- if (is_a($statement->subject(),'BlankNode') && $closure == True)
- {
- $newModel = $model->findForward($statement->subject(),NULL,NULL, $newModel);
- }
- }
- }
- return $newModel;
- }
-
-
-
- /**
- * Alias for RDFUtil::visualiseGraph(&$model, $format, $short_prefix)
- *
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * Note: See RDFUtil for further Information.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton K�tlbacher
- * @param string $format
- * @param boolean $short_prefix
- * @return string, binary
- * @access public
- * @throws PhpError
- */
- function visualize($format = "dot", $short_prefix = TRUE)
- {
- return RDFUtil::visualizeGraph($this, $format, $short_prefix);
- }
-
-
- /**
- * Performs a SPARQL query against a model. The model is converted to
- * an RDF Dataset. The result can be retrived in SPARQL Query Results XML Format or
- * as an array containing the variables an their bindings.
- *
- * @param string $query the sparql query string
- * @param string $resultform the result form ('xml' for SPARQL Query Results XML Format)
- * @return string/array
- */
- function sparqlQuery($query, $resultform = false)
- {
- list($engine, $dataset) = $this->_prepareSparql();
- return $engine->queryModel(
- $dataset,
- $this->_parseSparqlQuery($query),
- $resultform
- );
- }//function sparqlQuery($query,$resultform = false)
-
-
-
- /**
- * Prepares a sparql query and returns a prepared statement
- * that can be executed with data later on.
- *
- * @param string $query Sparql query to prepare.
- * @return SparqlEngine_PreparedStatement prepared statement object
- */
- function sparqlPrepare($query)
- {
- list($engine, $dataset) = $this->_prepareSparql();
- return $engine->prepare(
- $dataset,
- $this->_parseSparqlQuery($query)
- );
- }//function sparqlPrepare($query)
-
-
-
- /**
- * Prepares everything for SparqlEngine-usage
- * Loads the files, creates instances for SparqlEngine and
- * Dataset...
- *
- * @return array First value is the sparql engine, second the dataset
- */
- function _prepareSparql()
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngine.php';
- require_once RDFAPI_INCLUDE_DIR . 'dataset/DatasetMem.php';
-
- $dataset = new DatasetMem();
- $dataset->setDefaultGraph($this);
-
- return array(
- SparqlEngine::factory($this),
- $dataset
- );
- }//function _prepareSparql()
-
-
-
- /**
- * Parses an query and returns the parsed form.
- * If the query is not a string but a Query object,
- * it will just be returned.
- *
- * @param $query mixed String or Query object
- * @return Query query object
- * @throws Exception If $query is no string and no Query object
- */
- function _parseSparqlQuery($query)
- {
- if ($this->queryParser === null) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlParser.php';
- $this->queryParser = new SparqlParser();
- }
- return $this->queryParser->parse($query);
- }//function _parseSparqlQuery($query)
-
-} // end: Model
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelFactory.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelFactory.php.svn-base
deleted file mode 100755
index b3dd1601..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelFactory.php.svn-base
+++ /dev/null
@@ -1,288 +0,0 @@
-
-* @author Richard Cyganiak
-*
-*
-* @package model
-* @access public
-**/
-class ModelFactory
-{
- /**
- * Returns a MemModel.
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getDefaultModel($baseURI = null)
- {
- return ModelFactory::getMemModel($baseURI);
- }
-
- /**
- * Returns a NamedGraphSetMem.
- * You can supply a GraphSet name.
- *
- * @param string $graphSetId
- * @param string $uri
- * @access public
- */
- function & getDatasetMem($graphSetId = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'dataset/DatasetMem.php';
- $m = new DatasetMem($graphSetId);
- return $m;
- }
-
- /**
- * Returns a MemModel.
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getMemModel($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'model/MemModel.php';
- $m = new MemModel($baseURI);
- return $m;
- }
-
- /**
- * Returns a DbModel with the database connection
- * defined in constants.php.
- * You can supply a base URI. If a model with the given base
- * URI exists in the DbStore, it'll be opened.
- * If not, a new model will be created.
- *
- * @param string $baseURI
- * @return object DbModel
- * @access public
- */
- function & getDefaultDbModel($baseURI = null)
- {
- $dbStore = ModelFactory::getDbStore();
- $m = ModelFactory::getDbModel($dbStore,$baseURI);
- return $m;
- }
-
- /**
- * Returns a new DbModel using the database connection
- * supplied by $dbStore.
- * You can supply a base URI. If a model with the given base
- * URI exists in the DbStore, it'll be opened.
- * If not, a new model will be created.
- *
- * @param object DbStore $dbStore
- * @param string $baseURI
- * @return object DbModel
- * @access public
- */
- function & getDbModel($dbStore, $baseURI = null)
- {
- if ($dbStore->modelExists($baseURI)) {
- return $dbStore->getModel($baseURI);
- }
-
- return $dbStore->getNewModel($baseURI);
- }
-
- /**
- * Returns a database connection with the given parameters.
- * Paramters, which are not defined are taken from the constants.php
- *
- * @param string $dbDriver
- * @param string $host
- * @param string $dbName
- * @param string $user
- * @param string $password
- * @return object DbStore
- * @access public
- */
- function & getDbStore($dbDriver=ADODB_DB_DRIVER, $host=ADODB_DB_HOST, $dbName=ADODB_DB_NAME,
- $user=ADODB_DB_USER, $password=ADODB_DB_PASSWORD)
- {
- $dbs = new DbStore($dbDriver, $host, $dbName,$user, $password);
- return $dbs;
- }
-
- /**
- * Returns a InfModelF.
- * (MemModel with forward chaining inference engine)
- * Configurations can be done in constants.php
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getInfModelF($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'infModel/InfModelF.php';
- $mod = new InfModelF($baseURI);
- return $mod;
- }
-
- /**
- * Returns a InfModelB.
- * (MemModel with backward chaining inference engine)
- * Configurations can be done in constants.php
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getInfModelB($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'infModel/InfModelB.php';
- $mod = new InfModelB($baseURI);
- return $mod;
- }
-
- /**
- * Returns a ResModel.
- * $modelType has to be one of the following constants:
- * MEMMODEL,DBMODEL,INFMODELF,INFMODELB to create a resmodel with a new
- * model from defined type.
- * You can supply a base URI
- *
- * @param constant $modelType
- * @param string $baseURI
- * @return object ResModel
- * @access public
- */
- function & getResModel($modelType, $baseURI = null)
- {
- switch ($modelType) {
- case DBMODEL:
- $baseModel = ModelFactory::getDefaultDbModel($baseURI);
- break;
-
- case INFMODELF:
- $baseModel = ModelFactory::getInfModelF($baseURI);
- break;
-
- case INFMODELB:
- $baseModel = ModelFactory::getInfModelB($baseURI);
- break;
-
- default:
- $baseModel = ModelFactory::getMemModel($baseURI);
- break;
- }
- return ModelFactory::getResModelForBaseModel($baseModel);
- }
-
- /**
- * Creates a ResModel that wraps an existing base model.
- *
- * @param object Model $baseModel
- * @return object ResModel
- * @access public
- */
- function &getResModelForBaseModel(&$baseModel) {
- require_once RDFAPI_INCLUDE_DIR . 'resModel/ResModel.php';
- $mod = new ResModel($baseModel);
- return $mod;
- }
-
- /**
- * Returns an OntModel.
- * $modelType has to be one of the following constants:
- * MEMMODEL, DBMODEL, INFMODELF, INFMODELB to create a OntModel
- * with a new model from defined type.
- * $vocabulary defines the ontology language. Currently only
- * RDFS_VOCABULARY is supported. You can supply a model base URI.
- *
- * @param constant $modelType
- * @param constant $vocabulary
- * @param string $baseURI
- * @return object OntModel
- * @access public
- */
- function & getOntModel($modelType,$vocabulary, $baseURI = null)
- {
- switch ($modelType)
- {
- case DBMODEL:
- $baseModel = ModelFactory::getDefaultDbModel($baseURI);
- break;
-
- case INFMODELF:
- $baseModel = ModelFactory::getInfModelF($baseURI);
- break;
-
- case INFMODELB:
- $baseModel = ModelFactory::getInfModelB($baseURI);
- break;
-
- default:
- $baseModel = ModelFactory::getMemModel($baseURI);;
- }
-
- $mod = ModelFactory::getOntModelForBaseModel($baseModel, $vocabulary);
- return $mod;
- }
-
- /**
- * Creates an OntModel that wraps an existing base model.
- * $vocabulary defines the ontology language. Currently only
- * RDFS_VOCABULARY is supported.
- *
- * @param object Model $baseModel
- * @param constant $vocabulary
- * @return object OntModel
- * @access public
- */
- function &getOntModelForBaseModel(&$baseModel, $vocabulary)
- {
- require_once RDFAPI_INCLUDE_DIR . 'ontModel/OntModel.php';
-
- switch ($vocabulary)
- {
- case RDFS_VOCABULARY:
- require_once(RDFAPI_INCLUDE_DIR.'ontModel/'.RDFS_VOCABULARY);
- $vocab_object = new RdfsVocabulary();
- break;
- default:
- trigger_error("Unknown vocabulary constant '$vocabulary'; only RDFS_VOCABULARY is supported", E_USER_WARNING);
- $vocab_object = null;
- break;
- }
- $mod = new OntModel($baseModel, $vocab_object);
- return $mod;
- }
-
-
-
- /**
- * Creates a SparqlClient.
- *
- * @param String $server Link to a SPARQL endpoint.
- * @return SparqlClient the SparqlClient object.
- * @access public
- */
- function & getSparqlClient($server){
- $cl = new SparqlClient($server);
- return $cl;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelP.php.svn-base
deleted file mode 100755
index ff3067f0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/ModelP.php.svn-base
+++ /dev/null
@@ -1,27 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include Model classes
-require_once( RDFAPI_INCLUDE_DIR . 'model/Node.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Literal.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Resource.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Blanknode.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Statement.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Model.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/MemModel.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/DbStore.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/ModelFactory.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'sparql/SparqlClient.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'sparql/ClientQuery.php' );
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Node.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Node.php.svn-base
deleted file mode 100755
index 94ee9b5b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Node.php.svn-base
+++ /dev/null
@@ -1,25 +0,0 @@
-
- * @package model
- * @abstract
- *
- */
- class Node extends Object {
- } // end:RDFNode
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Resource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Resource.php.svn-base
deleted file mode 100755
index a9a0d403..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Resource.php.svn-base
+++ /dev/null
@@ -1,142 +0,0 @@
-
- *
- * @package model
- * @access public
- *
- */
- class Resource extends Node {
-
- /**
- * URIref to the resource
- * @var string
- * @access private
- */
- var $uri;
-
-
- /**
- * Constructor
- * Takes an URI or a namespace/localname combination
- *
- * @param string $namespace_or_uri
- * @param string $localName
- * @access public
- */
- function Resource($namespace_or_uri , $localName = NULL) {
- if ($localName == NULL) {
- $this->uri = $namespace_or_uri;
- } else {
- $this->uri = $namespace_or_uri . $localName;
- }
- }
-
-
- /**
- * Returns the URI of the resource.
- * @return string
- * @access public
- */
- function getURI() {
- return $this->uri;
- }
-
- /**
- * Returns the label of the resource, which is the URI of the resource.
- * @access public
- * @return string
- */
- function getLabel() {
- return $this->getURI();
- }
-
- /**
- * Returns the namespace of the resource. May return null.
- * @access public
- * @return string
- */
- function getNamespace() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- return RDFUtil::guessNamespace($this->uri);
- }
-
- /**
- * Returns the local name of the resource.
- * @access public
- * @return string
- */
- function getLocalName() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- return RDFUtil::guessName($this->uri);
- }
-
- /**
- * Dumps resource.
- * @access public
- * @return string
- */
- function toString() {
- return 'Resource("' . $this->uri .'")';
- }
-
- /**
- * Checks if the resource equals another resource.
- * Two resources are equal, if they have the same URI
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
-
- if (($that == NULL) or !(is_a($that, 'Resource')) or (is_a($that, 'BlankNode'))) {
- return false;
- }
-
- if ($this->getURI() == $that->getURI()) {
- return true;
- }
-
- return false;
- }
-
-
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Resource
- */
- function __toString()
- {
- return $this->toString();
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Statement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Statement.php.svn-base
deleted file mode 100755
index f788bec8..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/.svn/text-base/Statement.php.svn-base
+++ /dev/null
@@ -1,313 +0,0 @@
-
- * @version $Id$
- * @package model
- */
-class Statement extends Object {
-
- /**
- * Subject of the statement
- *
- * @var object resource
- * @access private
- */
- var $subj;
-
- /**
- * Predicate of the statement
- *
- * @var object resource
- * @access private
- */
- var $pred;
-
- /**
- * Object of the statement
- *
- * @var object node
- * @access private
- */
- var $obj;
-
- /**
- * The parameters to constructor are instances of classes and not just strings
- *
- * @param object node $subj
- * @param object node $pred
- * @param object node $obj
- * @throws PhpError
- */
- function Statement($subj, $pred, $obj) {
-
- if (!is_a($subj, 'Resource')) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource expected as subject.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if (!is_a($pred, 'Resource') || is_a($pred, 'BlankNode')) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource expected as predicate, no blank node allowed.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if (!(is_a($obj, 'Resource') or is_a($obj, 'Literal'))) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource or Literal expected as object.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $this->pred = $pred;
- $this->subj = $subj;
- $this->obj = $obj;
- }
-
- /**
- * Returns the subject of the triple.
- * @access public
- * @return object node
- */
- function getSubject() {
- return $this->subj;
- }
-
- /**
- * Returns the predicate of the triple.
- * @access public
- * @return object node
- */
- function getPredicate() {
- return $this->pred;
- }
-
- /**
- * Returns the object of the triple.
- * @access public
- * @return object node
- */
- function getObject() {
- return $this->obj;
- }
-
- /**
- * Alias for getSubject()
- * @access public
- * @return object node
- */
- function subject() {
- return $this->subj;
- }
-
- /**
- * Alias for getPredicate()
- * @access public
- * @return object node
- */
- function predicate() {
- return $this->pred;
- }
-
- /**
- * Alias for getObject()
- * @access public
- * @return object node
- */
- function object() {
- return $this->obj;
- }
- /**
- * Retruns the hash code of the triple.
- * @access public
- * @return string
- */
- function hashCode() {
- return md5($this->subj->getLabel() . $this->pred->getLabel() . $this->obj->getLabel());
- }
-
- /**
- * Dumps the triple.
- * @access public
- * @return string
- */
-
- function toString() {
- return 'Triple(' . $this->subj->toString() . ', ' . $this->pred->toString() . ', ' . $this->obj->toString() . ')';
-
- }
-
- /**
- * Returns a toString() serialization of the statements's subject.
- *
- * @access public
- * @return string
- */
- function toStringSubject() {
- return $this->subj->toString();
- }
-
- /**
- * Returns a toString() serialization of the statements's predicate.
- *
- * @access public
- * @return string
- */
- function toStringPredicate() {
- return $this->pred->toString();
- }
-
- /**
- * Reurns a toString() serialization of the statements's object.
- *
- * @access public
- * @return string
- */
- function toStringObject() {
- return $this->obj->toString();
- }
-
- /**
- * Returns the URI or bNode identifier of the statements's subject.
- *
- * @access public
- * @return string
- */
- function getLabelSubject() {
- return $this->subj->getLabel();
- }
-
- /**
- * Returns the URI of the statements's predicate.
- *
- * @access public
- * @return string
- */
- function getLabelPredicate() {
- return $this->pred->getLabel();
- }
-
- /**
- * Reurns the URI, text or bNode identifier of the statements's object.
- *
- * @access public
- * @return string
- */
- function getLabelObject() {
- return $this->obj->getLabel();
- }
-
- /**
- * Checks if two statements are equal.
- * Two statements are considered to be equal if they have the
- * same subject, predicate and object. A statement can only be equal
- * to another statement object.
- * @access public
- * @param object statement $that
- * @return boolean
- */
-
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
- if ($that == NULL || !(is_a($that, 'Statement'))) {
- return false;
- }
-
- return
- $this->subj->equals($that->subject()) &&
- $this->pred->equals($that->predicate()) &&
- $this->obj->equals($that->object());
- }
-
- /**
- * Compares two statements and returns integer less than, equal to, or greater than zero.
- * Can be used for writing sorting function for models or with the PHP function usort().
- *
- * @access public
- * @param object statement &$that
- * @return boolean
- */
-
- function compare(&$that) {
- return statementsorter($this, $that);
- // statementsorter function see below
- }
-
-
- /**
- * Reifies a statement.
- * Returns a new MemModel that is the reification of the statement.
- * For naming the statement's bNode a Model or bNodeID must be passed to the method.
- *
- * @access public
- * @param mixed &$model_or_bNodeID
- * @return object model
- */
-
- function & reify(&$model_or_bNodeID) {
-
- if (is_a($model_or_bNodeID, 'MemModel')) {
- // parameter is model
- $statementModel = new MemModel($model_or_bNodeID->getBaseURI());
- $thisStatement = new BlankNode($model_or_bNodeID);
- } else {
- // parameter is bNodeID
- $statementModel = new MemModel();
- $thisStatement = &$model_or_bNodeID;
- }
-
- $RDFstatement = new Resource(RDF_NAMESPACE_URI . RDF_STATEMENT);
- $RDFtype = new Resource(RDF_NAMESPACE_URI . RDF_TYPE);
- $RDFsubject = new Resource(RDF_NAMESPACE_URI . RDF_SUBJECT);
- $RDFpredicate = new Resource(RDF_NAMESPACE_URI . RDF_PREDICATE);
- $RDFobject = new Resource(RDF_NAMESPACE_URI . RDF_OBJECT);
-
- $statementModel->add(new Statement($thisStatement, $RDFtype, $RDFstatement));
- $statementModel->add(new Statement($thisStatement, $RDFsubject, $this->getSubject()));
- $statementModel->add(new Statement($thisStatement, $RDFpredicate, $this->getPredicate()));
- $statementModel->add(new Statement($thisStatement, $RDFobject, $this->Object()));
-
- return $statementModel;
- }
-
-} // end: Statement
-
-
-/**
-* Comparison function for comparing two statements.
-* statementsorter() is used by the PHP function usort ( array array, callback cmp_function)
-*
-* @access private
-* @param object Statement $a
-* @param object Statement $b
-* @return integer less than, equal to, or greater than zero
-* @throws phpErrpr
-*/
-function statementsorter($a,$b) {
- //Compare subjects
- $x=$a->getSubject();
- $y=$b->getSubject();
- $r=strcmp($x->getLabel(),$y->getLabel());
- if ($r!=0) return $r;
- //Compare predicates
- $x=$a->getPredicate();
- $y=$b->getPredicate();
- $r=strcmp($x->getURI(),$y->getURI());
- if ($r!=0) return $r;
- //Final resort, compare objects
- $x=$a->getObject();
- $y=$b->getObject();
- return strcmp($x->toString(),$y->toString());
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Blanknode.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Blanknode.php
deleted file mode 100755
index 9ea26f19..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Blanknode.php
+++ /dev/null
@@ -1,120 +0,0 @@
-,
- * Radoslaw Oldakowski
- *
- * @package model
- * @access public
- *
- */
- class BlankNode extends Resource {
-
- /**
- * Constructor
- * You can supply a label or You supply a model and a unique ID is gernerated.
- *
- * @param mixed $namespace_or_uri_or_model
- * @param string $localName
- * @access public
- */
- function BlankNode($namespace_or_uri_or_model , $localName = NULL) {
-
- if (is_a($namespace_or_uri_or_model, 'Model')) {
- // generate identifier
- $id = $namespace_or_uri_or_model->getUniqueResourceURI(BNODE_PREFIX);
-
- $this->uri = $id;
-
- } else {
- // set identifier
- if ($localName == NULL) {
- $this->uri = $namespace_or_uri_or_model;
- } else {
- $this->uri = $namespace_or_uri_or_model . $localName;
- }
- }
- }
-
- /**
- * Returns the ID of the blank node.
- *
- * @return string
- * @access public
- */
- function getID() {
- return $this->uri;
- }
-
- /**
- * Returns the ID of the blank node.
- *
- * @return string
- * @access public
- */
- function getLabel() {
- return $this->uri;
- }
-
- /**
- * Dumps bNode.
- *
- * @access public
- * @return string
- */
- function toString() {
-
- return 'bNode("' . $this->uri . '")';
- }
-
- /**
- * Checks if two blank nodes are equal.
- * Two blank nodes are equal, if they have the same temporary ID.
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
- if (($that == NULL) or !(is_a($that, 'BlankNode'))) {
- return false;
- }
-
- if ($this->getURI() == $that->getURI()) {
- return true;
- }
-
- return false;
- }
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Blank Node
- */
- function __toString()
- {
- return $this->toString();
- }
-
-} // end: BlankNode
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DBase.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DBase.php
deleted file mode 100755
index 87d9b474..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DBase.php
+++ /dev/null
@@ -1,17 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include DBase class
-require_once( RDFAPI_INCLUDE_DIR . 'model/DbModel.php' );
-// include adodb classes
-require_once(RDFAPI_INCLUDE_DIR .'util/adodb/adodb.inc.php');
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbModel.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbModel.php
deleted file mode 100755
index 3f199719..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbModel.php
+++ /dev/null
@@ -1,1318 +0,0 @@
-
-*
-* @package model
-* @access public
-*/
-
-
-class DbModel extends Model{
-
- /**
- * Database connection object.
- *
- * @var object ADOConnection
- * @access private
- */
- var $dbConn;
-
- /**
- * Unique model URI.
- * Used to identify the DbModel.
- *
- * @var string
- * @access private
- */
- var $modelURI;
-
-
- /**
- * Database internal modelID.
- * Used to avoid JOINs.
- *
- * @var string
- * @access private
- */
- var $modelID;
-
-
-
-
- /**
- * Constructor
- * Do not call this directly.
- * Use the method getModel,getNewModel or putModel of the Class DbStore instead.
- *
- * @param object ADOConnection &$dbConnection
- * @param string $modelURI
- * @param string $modelID
- * @param string $baseURI
- * @access public
- */
- function DbModel(&$dbConnection, $modelURI, $modelID, $baseURI=NULL) {
-
- $this->dbConn =& $dbConnection;
- $this->modelURI = $modelURI;
- $this->modelID = $modelID;
- $this->baseURI = $this->_checkBaseURI($baseURI);
- }
-
-
- /**
- * Set a base URI for the DbModel.
- * Affects creating of new resources and serialization syntax.
- *
- * @param string $uri
- * @throws SqlError
- * @access public
- */
- function setBaseURI($uri) {
-
- $this->baseURI = $this->_checkBaseURI($uri);
-
- $rs = $this->dbConn->execute("UPDATE models SET baseURI='" .$this->baseURI ."'
- WHERE modelID=" .$this->modelID);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
-
-
- /**
- * Return the number of statements in this DbModel.
- *
- * @return integer
- * @access public
- */
- function size() {
-
- $count =& $this->dbConn->getOne('SELECT COUNT(modelID) FROM statements
- WHERE modelID = ' .$this->modelID);
- return $count;
- }
-
-
- /**
- * Check if this DbModel is empty.
- *
- * @return boolean
- * @access public
- */
- function isEmpty() {
-
- if ($this->size() == 0)
- return TRUE;
- return FALSE;
- }
-
-
- /**
- * Add a new triple to this DbModel.
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- * @return mixed true on success, false if the statement is already in the model,
- * error message (string) on failure
- */
- function add(&$statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: add): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!$this->contains($statement)) {
-
- $subject_is = $this->_getNodeFlag($statement->subject());
- $sql = "INSERT INTO statements
- (modelID, subject, predicate, object, l_language, l_datatype, subject_is, object_is)
- VALUES
- (" .$this->modelID .","
- . $this->dbConn->qstr($statement->getLabelSubject()) .","
- . $this->dbConn->qstr($statement->getLabelPredicate()) .",";
-
- if (is_a($statement->object(), 'Literal')) {
- $quotedLiteral = $this->dbConn->qstr($statement->obj->getLabel());
- $sql .= $quotedLiteral .","
- ."'" .$statement->obj->getLanguage() ."',"
- ."'" .$statement->obj->getDatatype() ."',"
- ."'" .$subject_is ."',"
- ."'l')";
- }else{
- $object_is = $this->_getNodeFlag($statement->object());
- $sql .= $this->dbConn->qstr($statement->obj->getLabel()) .","
- ."'',"
- ."'',"
- ."'" .$subject_is ."',"
- ."'" .$object_is ."')";
- }
- $rs =& $this->dbConn->execute($sql);
- if (!$rs) {
- return $this->dbConn->errorMsg();
- } else {
- return true;
- }
- } else {
- return false;
- }
- }
-
-
- /**
- * Alias for the method add().
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function addWithoutDuplicates(&$statement) {
-
- $this->add($statement);
- }
-
-
- /**
- * Remove the given triple from this DbModel.
- *
- * @param object Statement &$statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function remove(&$statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: remove): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $sql = 'DELETE FROM statements
- WHERE modelID=' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO ($statement->subj, $statement->pred, $statement->obj);
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
-
-
- /**
- * Short dump of the DbModel.
- *
- * @return string
- * @access public
- */
- function toString() {
-
- return 'DbModel[modelURI=' .$this->modelURI .'; baseURI=' .$this->getBaseURI() .'; size=' .$this->size() .']';
- }
-
-
- /**
- * Dump of the DbModel including all triples.
- *
- * @return string
- * @access public
- */
- function toStringIncludingTriples() {
-
- $memModel =& $this->getMemModel();
- return $memModel->toStringIncludingTriples();
- }
-
-
-
- /**
- * Create a MemModel containing all the triples of the current DbModel.
- *
- * @return object MemModel
- * @access public
- */
- function & getMemModel() {
-
- $recordSet = $this->_getRecordSet($this);
- $m = $this->_convertRecordSetToMemModel($recordSet);
- return $m;
- }
-
-
-
- /**
- * Returns the model id
- *
- * @return int Model id number
- * @access public
- */
- function getModelID()
- {
- return $this->modelID;
- }
-
-
-
- /**
- * Returns the database connection object
- *
- * @return ADOdb Database object
- * @access public
- */
- function &getDbConn()
- {
- return $this->dbConn;
- }
-
-
-
- /**
- * Write the RDF serialization of the _DbModel as HTML.
- *
- * @access public
- */
- function writeAsHtml() {
-
- $memModel =& $this->getMemModel();
- $memModel->writeAsHtml();
- }
-
-
- /**
- * Write the RDF serialization of the DbModel as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable() {
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- $memModel =& $this->getMemModel();
- RDFUtil::writeHTMLTable($memModel);
- }
-
-
- /**
- * Write the RDF serialization of the DbModel to string.
- *
- * @return string
- * @access public
- */
- function writeRdfToString() {
-
- $memModel =& $this->getMemModel();
- return $memModel->writeRdfToString();
- }
-
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the DbModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the DbModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf') {
-
- $memModel = $this->getMemModel();
- $memModel->saveAs($filename, $type);
-
- }
-
-
- /**
- * Check if the DbModel contains the given statement.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement) {
-
- $sql = 'SELECT modelID FROM statements
- WHERE modelID = ' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO($statement->subj, $statement->pred, $statement->obj);
-
- $res =& $this->dbConn->getOne($sql);
-
- if (!$res)
- return FALSE;
- return TRUE;
- }
-
-
- /**
- * Determine if all of the statements in the given model are also contained in this DbModel.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if(!$this->contains($statement))
- return FALSE;
- return TRUE;
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $recordSet =& $this->_getRecordSet($model);
- while (!$recordSet->EOF) {
- if (!$this->_containsRow($recordSet->fields))
- return FALSE;
- $recordSet->moveNext();
- }
- return TRUE;
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Determine if any of the statements in the given model are also contained in this DbModel.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if($this->contains($statement))
- return TRUE;
- return FALSE;
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $recordSet =& $this->_getRecordSet($model);
- while (!$recordSet->EOF) {
- if ($this->_containsRow($recordSet->fields))
- return TRUE;
- $recordSet->moveNext();
- }
- return FALSE;
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: containsAny): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * General method to search for triples in the DbModel.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function find($subject, $predicate, $object) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
-
- // write the recordSet into memory Model
- else
- return $this->_convertRecordSetToMemModel($recordSet);
- }
-
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches
- *the regular expression.
- * Return an empty MemModel if nothing is found.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: Mhis method loads a DbModel into memory and performs the search
- * on a MemModel, which can be slow with large models.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex) {
-
- $mm =& $this->getMemModel();
-
- return $mm->findRegex($subject_regex, $predicate_regex, $object_regex);
- }
-
-
- /**
- * Return all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Return an empty model if nothing is found.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findVocabulary($vocabulary) {
-
- $sql = "SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = " .$this->modelID ."
- AND predicate LIKE '" .$vocabulary ."%'";
-
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
-
- // write the recordSet into memory Model
- else
- return $this->_convertRecordSetToMemModel($recordSet);
- }
-
-
- /**
- * Search for triples and return the first matching statement.
- * NULL input for any parameter will match anything.
- * Return an NULL if nothing is found.
- * You can set an search offset with $offset.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = -1) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->selectLimit($sql,1,($offset));
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else {
- if (!$recordSet->fields)
- return NULL;
- else {
- $memModel = $this->_convertRecordSetToMemModel($recordSet);
- return $memModel->triples[0];
- }
- }
- }
-
-
- /**
- * Search for triples and return the number of matches.
- * NULL input for any parameter will match anything.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return integer
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function findCount($subject, $predicate, $object) {
-
- if ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) {
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- // static part of the sql statement
- $sql = 'SELECT COUNT(*)
- FROM statements
- WHERE modelID = ' .$this->modelID;
-
- // dynamic part of the sql statement
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $recordSet =& $this->dbConn->execute($sql);
-
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else
- return $recordSet->fields[0];
- }
-
-
- /**
- * Perform an RDQL query on this DbModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function rdqlQuery($queryString, $returnNodes = TRUE) {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // this method can only query this DbModel
- // if another model was specified in the from clause throw an error
- if (isset($parsedQuery['sources'][0]))
- if($parsedQuery['sources'][0] != $this->modelURI) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: rdqlQuery):';
- $errmsg .= ' this method can only query this DbModel';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $engine = new RdqlDbEngine();
- $res =& $engine->queryModel($this, $parsedQuery, $returnNodes);
-
- return $res;
- }
-
-
- /**
- * Perform an RDQL query on this DBModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE) {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- return new RdqlResultIterator($this->rdqlQuery($queryString, $returnNodes));
- }
-
- /**
- * General method to replace nodes of a DbModel.
- * NULL input for any parameter will match nothing.
- * Example: $m->replace($resource, NULL, $node, $replacement);
- * Replaces all $node objects beeing subject or object in
- * any triple of the model with the $replacement node.
- * Throw an error in case of a paramter mismatch.
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @throws PhpError
- * @throws SqlError
- * @access public
- */
- function replace($subject, $predicate, $object, $replacement) {
-
- // check the correctness of the passed parameters
- if ( ((!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)) ||
- (($subject != NULL && is_a($replacement, 'Literal')) ||
- ($predicate != NULL && (is_a($replacement, 'Literal') ||
- is_a($replacement, 'BlankNode')))) )
- {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: find): Parameter mismatch';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!(!$subject && !$predicate && !$object)) {
-
- // create an update sql statement
- $comma = '';
- $sql = 'UPDATE statements
- SET ';
- if ($subject) {
- $sql .= " subject ='" .$replacement->getLabel() ."', "
- ." subject_is='" .$this->_getNodeFlag($replacement) ."' ";
- $comma = ',';
- }
- if ($predicate) {
- $sql .= $comma ." predicate='" .$replacement->getLabel() ."' ";
- $comma = ',';
- }
- if ($object) {
- $quotedObject = $this->dbConn->qstr($replacement->getLabel());
- $sql .= $comma .' object=' .$quotedObject
- .", object_is='" .$this->_getNodeFlag($replacement) ."' ";
- if (is_a($replacement, 'Literal')) {
- $sql .= ", l_language='" .$replacement->getLanguage() ."' "
- .", l_datatype='" .$replacement->getDataType() ."' ";
- }
- }
- $sql .= 'WHERE modelID = ' .$this->modelID;
- $sql .= $this->_createDynSqlPart_SPO($subject, $predicate, $object);
-
- // execute the query
- $rs =& $this->dbConn->execute($sql);
-
- if (!$rs)
- echo $this->dbConn->errorMsg();
- }
- }
-
-
- /**
- * Check if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * Warning: This method doesn't work correct with models where the same blank node has different
- * identifiers in the two models. We will correct this in a future version.
- *
- * @param object model &$that
- * @return boolean
- * @throws PhpError
- * @access public
- */
-
- function equals(&$that) {
-
- if (!is_a($that, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: equals): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if ($this->size() != $that->size())
- return FALSE;
-
- include_once(RDFAPI_INCLUDE_DIR. "util/ModelComparator.php");
- return ModelComparator::compare($this,$that);
- }
-
-
- /**
- * Return a new MemModel that is the set-union the model with another model.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- *
- */
- function & unite(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: unite): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->unite($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->unite($thatModel);
- }
- }
-
-
- /**
- * Return a new MemModel that is the subtraction of another model from this DbModel.
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- */
-
- function & subtract(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: subtract): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->subtract($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->subtract($thatModel);
- }
- }
-
-
- /**
- * Return a new MemModel containing all the statements which are in both
- * this model and the given model.
- *
- * @param object Model $model
- * @return object MemModel
- * @throws PhpError
- * @access public
- */
- function & intersect(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- $thisModel =& $this->getMemModel();
- return $thisModel->intersect($model);
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $thisModel =& $this->getMemModel();
- $thatModel =& $model->getMemModel();
- return $thisModel->intersect($thatModel);
- }
-
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: intersect: Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Add the given model to this DbModel.
- * This function monitors for SQL errors, and will commit if no errors have occured,
- * otherwise it will rollback.
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @throws PhpError
- * @access public
- */
- function addModel(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: DbModel; method: addModel): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $blankNodes_tmp = array();
-
- if (is_a($model, 'MemModel')) {
-
- $this->dbConn->startTrans();
- foreach ($model->triples as $statement)
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- $this->addParsedNamespaces($model->getParsedNamespaces());
-
- $this->dbConn->completeTrans();
- }
-
- elseif (is_a($model, 'DbModel')) {
-
- $this->dbConn->startTrans();
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $statement)
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- $this->addParsedNamespaces($model->getParsedNamespaces());
- $this->dbConn->completeTrans();
- }
- }
-
-
- /**
- * Reify the DbModel.
- * Return a new MemModel that contains the reifications of all statements of this DbModel.
- *
- * @return object MemModel
- * @access public
- */
- function & reify() {
-
- $memModel =& $this->getMemModel();
- return $memModel->reify();
- }
-
- /**
- * Remove this DbModel from database and clean up.
- * This function monitors for SQL errors, and will commit if no errors have occured,
- * otherwise it will rollback.
- *
- * @throws SqlError
- * @access public
- */
- function delete() {
-
- $this->dbConn->startTrans();
- $this->dbConn->execute('DELETE FROM models
- WHERE modelID=' .$this->modelID);
- $this->dbConn->execute('DELETE FROM statements
- WHERE modelID=' .$this->modelID);
- $this->dbConn->execute('DELETE FROM namespaces
- WHERE modelID=' .$this->modelID);
-
- if (!$this->dbConn->completeTrans())
- echo $this->dbConn->errorMsg();
- else
- $this->close();
- }
-
-
- /**
- * Close this DbModel
- *
- * @access public
- */
- function close() {
-
- unset($this);
- }
-
-
- // =============================================================================
- // **************************** private methods ********************************
- // =============================================================================
-
-
-
-
-
- /**
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * Used at setting the baseURI of this DbModel.
- *
- * @param string $uri
- * @return string
- * @access private
- */
- function _checkBaseURI($uri) {
-
- if ($uri != NULL) {
- $c = substr($uri, strlen($uri)-1 ,1);
- if (!($c=='#' || $c==':' || $c=='/' || $c=="\\"))
- $uri .= '#';
- }
- return $uri;
- }
-
-
- /**'
- * Return the flag of the Node object.
- * r - Resource, b - BlankNode, l - Literal
- *
- * @param object Node $object
- * @return string
- * @access private
- */
- function _getNodeFlag($object) {
-
- return is_a($object,'BlankNode')?'b':(is_a($object,'Resource')?'r':'l');
- }
-
-
- /**
- * Convert an ADORecordSet to a memory Model.
- *
- * Every successful database query returns an ADORecordSet object which is actually
- * a cursor that holds the current row in the array fields[].
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * !!! This method can only be applied to a RecordSet with array fields[]
- * !!! containing a representation of the database table: statements,
- * !!! with an index corresponding to following table columns:
- * !!! [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * !!! [4] - l_datatype, [5] - subject_is, [6] - object_is
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @param object ADORecordSet
- * @return object MemModel
- * @access private
- */
- function _convertRecordSetToMemModel(&$recordSet) {
-
- $res = new MemModel($this->baseURI);
- while (!$recordSet->EOF) {
-
- // subject
- if ($recordSet->fields[5] == 'r')
- $sub = new Resource($recordSet->fields[0]);
- else
- $sub = new BlankNode($recordSet->fields[0]);
-
- // predicate
- $pred = new Resource($recordSet->fields[1]);
-
- // object
- if ($recordSet->fields[6] == 'r')
- $obj = new Resource($recordSet->fields[2]);
- elseif ($recordSet->fields[6] == 'b')
- $obj = new BlankNode($recordSet->fields[2]);
- else {
- $obj = new Literal($recordSet->fields[2], $recordSet->fields[3]);
- if ($recordSet->fields[4])
- $obj->setDatatype($recordSet->fields[4]);
- }
-
- $statement = new Statement($sub, $pred, $obj);
- $res->add($statement);
-
- $recordSet->moveNext();
- }
- $res->addParsedNamespaces($this->getParsedNamespaces());
- return $res;
- }
-
-
- /**
- * Create the dynamic part of an sql statement selecting triples with the
- * given parameters ($subject, $predicate, $object).
- *
- * @param object Resource $subject
- * @param object Resource $predicate
- * @param object Node $object
- * @return string
- * @access private
- */
- function _createDynSqlPart_SPO($subject, $predicate, $object) {
-
- // conditions derived from the parameters passed to the function
-
- $subject_is=is_a($subject,'BlankNode')?'b':(is_a($subject,'Resource')?'r':'l');
- $sql='';
- if ($subject != NULL)
- $sql .= " AND subject='" .$subject->getLabel() ."'
- AND subject_is='" .$subject_is ."'";
- if ($predicate != NULL)
- $sql .= " AND predicate='" .$predicate->getLabel() ."'";
- if ($object != NULL) {
- $object_is = is_a($object,'BlankNode')?'b':(is_a($object,'Resource')?'r':'l');
- if (is_a($object, 'Resource'))
- $sql .= " AND object='" .$object->getLabel() ."'
- AND object_is ='" .$object_is ."'";
- else {
- $quotedLiteral = $this->dbConn->qstr($object->getLabel());
- $sql .= " AND object=" .$quotedLiteral ."
- AND l_language='" .$object->getLanguage() ."'
- AND l_datatype='" .$object->getDataType() ."'
- AND object_is ='" .$object_is ."'";
- }
- }
- return $sql;
- }
-
-
- /**
- * Get an ADORecordSet with array fields[] containing a representation of
- * the given DbModel stored in the table: statements, with an index corresponding
- * to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- * (This method operates on data from a DbModel without loading it into a memory model
- * in order to save resources and improve speed).
- *
- * @param object DbModel $DbModel
- * @return object ADORecordSet
- * @access private
- */
- function _getRecordSet (&$dbModel) {
-
- $sql = 'SELECT subject, predicate, object, l_language, l_datatype, subject_is, object_is
- FROM statements
- WHERE modelID = ' .$dbModel->modelID;
-
- return $recordSet =& $this->dbConn->execute($sql);
- }
-
-
- /**
- * Check if this DbModel contains the given row from the array fields[] of an ADORecordSet
- * The array index corresponds to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- *
- * @param array $row
- * @return boolean
- * @access private
- */
- function _containsRow ($row) {
-
- $sql = "SELECT modelID FROM statements
- WHERE modelID = " .$this->modelID ."
- AND subject =" .$this->dbConn->qstr($row[0]) ."
- AND predicate =" .$this->dbConn->qstr($row[1]) ."
- AND object =" .$this->dbConn->qstr($row[2]) ."
- AND l_language=" .$this->dbConn->qstr($row[3]) ."
- AND l_datatype=" .$this->dbConn->qstr($row[4]) ."
- AND subject_is=" .$this->dbConn->qstr($row[5]) ."
- AND object_is=" .$this->dbConn->qstr($row[6]);
-
- $res =& $this->dbConn->getOne($sql);
-
- if (!$res)
- return FALSE;
- return TRUE;
- }
-
-
-
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gauss
- * @return mixed Array of key-value pairs. Namespace is the key,
- * prefix the value. If no namespaces are found,
- * boolean false is returned.
- *
- * @access public
- */
- function getParsedNamespaces(){
- $sql = "SELECT * FROM namespaces
- WHERE modelID = " .$this->modelID;
- $temp = false;
- $res = $this->dbConn->execute($sql);
- if($res){
- while (!$res->EOF) {
- $temp[$res->fields[1]]=$res->fields[2];
- $res->moveNext();
- }
- }
- return $temp;
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gauss
- * @param array $newNs Array of namespace => prefix assignments
- *
- * @access public
- */
- function addParsedNamespaces($newNs){
- if($newNs)
- foreach($newNs as $namespace => $prefix){
- $this->addNamespace($prefix, $namespace);
- }
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gauss
- * @param string $prefix Prefix
- * @param string $nmsp Namespace URI
- *
- * @access public
- */
- function addNamespace($prefix,$nmsp){
-
- if($nmsp != '' && $prefix !=''){
- if($this->_checkNamespace($nmsp)){
- $sql = "UPDATE namespaces SET prefix=".$this->dbConn->qstr($prefix)." WHERE
- modelID=".$this->modelID." AND namespace=".$this->dbConn->qstr($nmsp);
- }else{
- $sql = "INSERT INTO namespaces
- (modelID, namespace, prefix)
- VALUES
- (" .$this->modelID .','
- . $this->dbConn->qstr($nmsp) . ','
- . $this->dbConn->qstr($prefix) . ')';
- }
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
- }
-
- /**
- * checks if a namespace is already in the model.
- *
- * @author Tobias Gau�
- * @access private
- * @param Array $newNs
- */
- function _checkNamespace($nmsp){
- $res = true;
- $sql = "SELECT * FROM namespaces
- WHERE modelID = " .$this->modelID." AND
- namespace=" . $this->dbConn->qstr($nmsp);
- $rs =& $this->dbConn->execute($sql);
- if (!$rs){
- $this->dbConn->errorMsg();
- }else{
- if($rs->fields == false)
- $res = false;
- }
- return $res;
-
-
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & iterFind($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- $if = new IterFind($this,$sub,$pred,$obj);
- return $if;
- }
-
- /**
- * Removes a single namespace from the model
- *
- * @author Tobias Gauss
- * @param string $nmsp Namespace URI
- *
- * @return mixed True if all went well, error message otherwise
- *
- * @access public
- */
- function removeNamespace($nmsp){
-
- $sql = 'DELETE FROM namespaces
- WHERE modelID=' .$this->modelID." AND namespace=". $this->dbConn->qstr($nmsp);
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- return $this->dbConn->errorMsg();
- else {
- return true;
- }
- }
-
-
-
-
- /**
- * Add the given row from the array fields[] of an ADORecordSet to this DbModel
- * The array index corresponds to following table columns:
- * [0] - subject, [1] - predicate, [2] - object, [3] - l_language,
- * [4] - l_datatype, [5] - subject_is, [6] - object_is
- *
- * @param array $row
- * @throws SqlError
- * @access private
- *
- function _insertRow ($row) {
-
- $quotedObject = $this->dbConn->qstr($row[2]);
- $sql = "INSERT INTO statements VALUES
- (" .$this->modelID .","
- ."'" .$row[0] ."',"
- ."'" .$row[1] ."',"
- ."" .$quotedObject .","
- ."'" .$row[3] ."',"
- ."'" .$row[4] ."',"
- ."'" .$row[5] ."',"
- ."'" .$row[6] ."')";
-
- $rs =& $this->dbConn->execute($sql);
- if (!$rs)
- $this->dbConn->errorMsg();
- }
- */
-
-} // end: Class DbModel
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbStore.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbStore.php
deleted file mode 100755
index a845d308..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/DbStore.php
+++ /dev/null
@@ -1,917 +0,0 @@
-
- * @author Daniel Westphal (http://www.d-westphal.de)
- *
- * @package model
- * @access public
- */
-
-
-class DbStore extends Object
-{
- /**
- * Array with all supported database types
- *
- * @var array
- */
- public static $arSupportedDbTypes = array(
- "MySQL",
- "MySQLi",
- "MSSQL",
- 'MsAccess'
- );
-
- /**
- * Database connection object
- *
- * @var object ADOConnection
- * @access private
- */
- var $dbConn;
-
- /**
- * Database driver name
- *
- * @var string
- */
- protected $driver = null;
-
- /**
- * SparqlParser so we can re-use it
- * @var Parser
- */
- var $queryParser = null;
-
-
-/**
- * Constructor:
- * Set the database connection with the given parameters.
- *
- * @param string $dbDriver
- * @param string $host
- * @param string $dbName
- * @param string $user
- * @param string $password
- * @access public
- */
- function DbStore ($dbDriver=ADODB_DB_DRIVER, $host=ADODB_DB_HOST, $dbName=ADODB_DB_NAME,
- $user=ADODB_DB_USER, $password=ADODB_DB_PASSWORD) {
-
- // include DBase Package
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_DBASE);
-
- // create a new connection object
- $this->dbConn =& ADONewConnection($dbDriver);
- $this->driver = $dbDriver;
-
- //activate the ADOdb DEBUG mode
- if (ADODB_DEBUG_MODE == '1')
- $this->dbConn->debug = true;
-
- // connect to database
- $r = $this->dbConn->NConnect($host, $user, $password, $dbName);
- if ($r !== true) {
- throw new Exception('Could not connect to database');
- }
-
- // optimized for speed
- $this->dbConn->setFetchMode(ADODB_FETCH_NUM);
- //$ADODB_COUNTRECS = FALSE;
- }
-
-
-
-/**
- * List all DbModels stored in the database.
- *
- * @return array
- * @throws SqlError
- * @access public
- */
- function listModels() {
-
- $recordSet =& $this->dbConn->execute("SELECT modelURI, baseURI
- FROM models");
- if (!$recordSet)
- echo $this->dbConn->errorMsg();
- else {
- $models = array();
- $i=0;
- while (!$recordSet->EOF) {
-
- $models[$i]['modelURI'] = $recordSet->fields[0];
- $models[$i]['baseURI'] = $recordSet->fields[1];
-
- ++$i;
- $recordSet->moveNext();
- }
- return $models;
- }
- }
-
-
-/**
- * Check if the DbModel with the given modelURI is already stored in the database
- *
- * @param string $modelURI
- * @return boolean
- * @throws SqlError
- * @access public
- */
- function modelExists($modelURI) {
-
- $res =& $this->dbConn->execute("SELECT COUNT(*) FROM models
- WHERE modelURI = '" .$modelURI ."'");
- if (!$res)
- echo $this->dbConn->errorMsg();
- else {
- if (!$res->fields[0]) {
- $res->Close();
- return FALSE;
- } else {
- $res->Close();
- return TRUE;
- }
- }
- }
-
-
-
- /**
- * Returns the database connection object
- *
- * @return ADOdb Database object
- * @access public
- */
- function &getDbConn()
- {
- return $this->dbConn;
- }
-
-
-/**
- * Create a new instance of DbModel with the given $modelURI and
- * load the corresponding values of modelID and baseURI from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param string $modelURI
- * @return object DbModel
- * @access public
- */
- function getModel($modelURI) {
-
- if (!$this->modelExists($modelURI))
- return FALSE;
- else {
- $modelVars =& $this->dbConn->execute("SELECT modelURI, modelID, baseURI
- FROM models
- WHERE modelURI='" .$modelURI ."'");
-
- return new DbModel($this->dbConn, $modelVars->fields[0],
- $modelVars->fields[1], $modelVars->fields[2]);
- }
- }
-
-
-/**
- * Create a new instance of DbModel with the given $modelURI
- * and insert the DbModel variables into the database.
- * Return FALSE if there is already a model with the given URI.
- *
- * @param string $modelURI
- * @param string $baseURI
- * @return object DbModel
- * @throws SqlError
- * @access public
- */
- function getNewModel($modelURI, $baseURI=NULL) {
-
- if ($this->modelExists($modelURI))
- return FALSE;
- else {
- $modelID = $this->_createUniqueModelID();
-
- $rs =& $this->dbConn->execute("INSERT INTO models
- (modelID, modelURI, baseURI)
- VALUES (" .$modelID .",
- " .$this->dbConn->qstr($modelURI) .",
- " .$this->dbConn->qstr($baseURI) .")");
-
- if (!$rs)
- return $this->dbConn->errorMsg();
- else
- return new DbModel($this->dbConn, $modelURI, $modelID, $baseURI);
- }
- }
-
-
-/**
- * Store a MemModel or another DbModel from a different DbStore in the database.
- * Return FALSE if there is already a model with modelURI matching the modelURI
- * of the given model.
- *
- * @param object Model &$model
- * @param string $modelURI
- * @return boolean
- * @access public
- */
- function putModel(&$model, $modelURI=NULL) {
-
- if (!$modelURI) {
- if (is_a($model, 'MemModel'))
- $modelURI = 'DbModel-' .$this->_createUniqueModelID();
- else
- $modelURI = $model->modelURI;
- }else
- if ($this->modelExists($modelURI))
- return FALSE;
-
-
- $newDbModel = $this->getNewModel($modelURI, $model->getBaseURI());
- $newDbModel->addModel($model);
- }
-
-
-/**
- * Close the DbStore.
- * !!! Warning: If you close the DbStore all active instances of DbModel from this
- * !!! DbStore will lose their database connection !!!
- *
- * @access public
- */
- function close() {
-
- $this->dbConn->close();
- unset($this);
- }
-
-
-// =============================================================================
-// **************************** private methods ********************************
-// =============================================================================
-
-
-/**
- * Create a unique ID for the DbModel to be insert into the models table.
- * This method was implemented because some databases do not support auto-increment.
- *
- * @return integer
- * @access private
- */
- function _createUniqueModelID() {
-
- $maxModelID =& $this->dbConn->GetOne('SELECT MAX(modelID) FROM models');
- return ++$maxModelID;
- }
-
- /**
- * Create a unique ID for the dataset to be insert into the datasets table.
- * This method was implemented because some databases do not support auto-increment.
- *
- * @return integer
- * @access private
- */
- function _createUniqueDatasetID() {
-
- $maxDatasetID =& $this->dbConn->GetOne('SELECT MAX(datasetId) FROM datasets');
- return ++$maxDatasetID;
- }
-
-
-
- /**
- * Sets up tables for RAP.
- * DOES NOT CHECK IF TABLES ALREADY EXIST
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @throws Exception If database type is unsupported
- * @access public
- **/
- public function createTables($databaseType = null)
- {
- $driver = $this->getDriver($databaseType);
- self::assertDriverSupported($driver);
-
- $createFunc = '_createTables_' . $driver;
- return $this->$createFunc();
- }//public function createTables($databaseType="MySQL")
-
-
-
- /**
- * Create tables and indexes for MsAccess database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- protected function _createTables_MsAccess()
- {
- $this->dbConn->startTrans();
-
- $this->dbConn->execute('CREATE TABLE models
- (modelID long primary key,
- modelURI varchar not null,
- baseURI varchar)');
-
- $this->dbConn->execute('CREATE UNIQUE INDEX m_modURI_idx ON models (modelURI)');
-
- $this->dbConn->execute('CREATE TABLE statements
- (modelID long,
- subject varchar,
- predicate varchar,
- object Memo,
- l_language varchar,
- l_datatype varchar,
- subject_is varchar(1),
- object_is varchar(1),
- primary key (modelID, subject, predicate, object,
- l_language, l_datatype))');
-
- $this->dbConn->execute('CREATE INDEX s_mod_idx ON statements (modelID)');
- $this->dbConn->execute('CREATE INDEX s_sub_idx ON statements (subject)');
- $this->dbConn->execute('CREATE INDEX s_pred_idx ON statements (predicate)');
- $this->dbConn->execute('CREATE INDEX s_obj_idx ON statements (object)');
-
- $this->dbConn->execute('CREATE TABLE namespaces
- (modelID long,
- namespace varchar,
- prefix varchar,
- primary key (modelID, namespace, prefix))');
-
- $this->dbConn->execute('CREATE INDEX n_name_idx ON namespaces (namespace)');
- $this->dbConn->execute('CREATE INDEX n_pref_idx ON namespaces (prefix)');
-
- $this->dbConn->execute("CREATE TABLE datasets
- (datasetName varchar,
- defaultModelUri varchar,
- primary key (datasetName))");
-
- $this->dbConn->execute('CREATE INDEX nGS_idx1 ON datasets (datasetName)');
-
-
- $this->dbConn->execute("CREATE TABLE `dataset_model` (
- datasetName varchar,
- modelId long,
- graphURI varchar,
- PRIMARY KEY (modelId,datasetName))");
-
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Create tables and indexes for MySQL database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- function _createTables_MySQL()
- {
-
- $this->dbConn->startTrans();
-
- $this->dbConn->execute("CREATE TABLE models
- (modelID bigint NOT NULL,
- modelURI varchar(255) NOT NULL,
- baseURI varchar(255) DEFAULT '',
- primary key (modelID))");
-
- $this->dbConn->execute('CREATE UNIQUE INDEX m_modURI_idx ON models (modelURI)');
-
- $this->dbConn->execute("CREATE TABLE statements
- (modelID bigint NOT NULL,
- subject varchar(255) NOT NULL,
- predicate varchar(255) NOT NULL,
- object text,
- l_language varchar(255) DEFAULT '',
- l_datatype varchar(255) DEFAULT '',
- subject_is varchar(1) NOT NULL,
- object_is varchar(1) NOT NULL)");
-
- $this->dbConn->execute("CREATE TABLE namespaces
- (modelID bigint NOT NULL,
- namespace varchar(255) NOT NULL,
- prefix varchar(255) NOT NULL,
- primary key (modelID,namespace))");
-
- $this->dbConn->execute("CREATE TABLE `dataset_model` (
- `datasetName` varchar(255) NOT NULL default '0',
- `modelId` bigint(20) NOT NULL default '0',
- `graphURI` varchar(255) NOT NULL default '',
- PRIMARY KEY (`modelId`,`datasetName`))");
-
- $this->dbConn->execute("CREATE TABLE `datasets` (
- `datasetName` varchar(255) NOT NULL default '',
- `defaultModelUri` varchar(255) NOT NULL default '0',
- PRIMARY KEY (`datasetName`),
- KEY `datasetName` (`datasetName`))");
-
- $this->dbConn->execute('CREATE INDEX s_mod_idx ON statements (modelID)');
- $this->dbConn->execute('CREATE INDEX n_mod_idx ON namespaces (modelID)');
-
- $this->dbConn->execute('CREATE INDEX s_sub_pred_idx ON statements
- (subject(200),predicate(200))');
-
- $this->dbConn->execute('CREATE INDEX s_sub_idx ON statements (subject(200))');
- $this->dbConn->execute('CREATE INDEX s_pred_idx ON statements (predicate(200))');
- $this->dbConn->execute('CREATE INDEX s_obj_idx ON statements (object(250))');
-
- $this->dbConn->execute('CREATE FULLTEXT INDEX s_obj_ftidx ON statements (object)');
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Creates tables on a MySQLi database
- */
- function _createTables_MySQLi()
- {
- return $this->_createTables_MySQL();
- }//function _createTables_MySQLi()
-
-
-
- /**
- * Create tables and indexes for MSSQL database
- *
- * @return boolean true If all is ok
- *
- * @throws Exception
- */
- function _createTables_MSSQL()
- {
- $this->dbConn->startTrans();
-
- $this->dbConn->execute("CREATE TABLE [dbo].[models] (
- [modelID] [int] NOT NULL ,
- [modelURI] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [baseURI] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
- ) ON [PRIMARY]");
-
- $this->dbConn->execute("CREATE TABLE [dbo].[statements] (
- [modelID] [int] NOT NULL ,
- [subject] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [predicate] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [object] [text] COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [l_language] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [l_datatype] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [subject_is] [nchar] (1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- [object_is] [nchar] (1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
- ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]");
-
-
- $this->dbConn->execute("CREATE TABLE [dbo].[namespaces] (
- [modelID] [int] NOT NULL ,
- [namespace] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
- [prefix] [nvarchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
- ) ON [PRIMARY]");
-
- $this->dbConn->execute("ALTER TABLE [dbo].[models] WITH NOCHECK ADD
- CONSTRAINT [PK_models] PRIMARY KEY CLUSTERED
- (
- [modelID]
- ) ON [PRIMARY] ");
- $this->dbConn->execute("ALTER TABLE [dbo].[namespaces] WITH NOCHECK ADD
- CONSTRAINT [PK_namespaces] PRIMARY KEY CLUSTERED
- (
- [modelID],[namespace]
- ) ON [PRIMARY] ");
-
- $this->dbConn->execute("CREATE INDEX [joint index on subject and predicate] ON [dbo].[statements]([subject], [predicate]) ON [PRIMARY]");
-
-
- if (!$this->dbConn->completeTrans()) {
- throw new Exception($this->dbConn->errorMsg());
- }
- return true;
- }
-
-
-
- /**
- * Checks if tables are setup for RAP
- *
- * @param string $databaseType
- * @throws Exception If database type is unsupported
- * @access public
- **/
- public function isSetup($databaseType = null)
- {
- $driver = $this->getDriver($databaseType);
- self::assertDriverSupported($driver);
-
- $issetupFunc = '_isSetup_' . $driver;
- return $this->$issetupFunc();
- }//public function isSetup($databaseType="MySQL")
-
-
-
- /**
- * Returns the driver for the database type.
- * You can pass NULL or omit the parameter to
- * use the parameter from the dbstore constructor
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @return string Database driver string (e.g. MySQL)
- */
- public function getDriver($databaseType = null)
- {
- if ($databaseType === null) {
- if ($this->driver === null) {
- //backward compatibility
- $databaseType = 'MySQL';
- } else {
- $databaseType = $this->driver;
- }
- }
- if (!self::isDriverSupported($databaseType)) {
- //check if it is a known driver in wrong case
- $arLowercases = array_map('strtolower', self::$arSupportedDbTypes);
- $arMapping = array_combine($arLowercases, self::$arSupportedDbTypes);
- if (isset($arMapping[strtolower($databaseType)])) {
- $databaseType = $arMapping[strtolower($databaseType)];
- }
- }
- return $databaseType;
- }//public function getDriver($databaseType = null)
-
-
-
- /**
- * Returns if the given driver is supported
- *
- * @return boolean True if it supported, false if not
- */
- public static function isDriverSupported($databaseType)
- {
- return in_array($databaseType, self::$arSupportedDbTypes);
- }//public static function isDriverSupported($databaseType)
-
-
-
- /**
- * Checks if the given driver is supported and throws an
- * Exception if not.
- *
- * @param string $databaseType Database driver name (e.g. MySQL)
- *
- * @return true If it does not fail
- *
- * @throws Exception If the driver is not supported
- */
- public static function assertDriverSupported($databaseType)
- {
- if (!self::isDriverSupported($databaseType)) {
- throw new Exception(
- 'Unsupported database type, only supported: '
- . implode(', ', self::$arSupportedDbTypes)
- );
- }
- return true;
- }//public static function assertDriverSupported($databaseType)
-
-
-
- /**
- * Checks if tables are setup for RAP (MySql)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MySQL()
- {
- $recordSet =& $this->dbConn->execute("SHOW TABLES");
- if (!$recordSet) {
- throw new Exception($this->dbConn->errorMsg());
- } else {
- $tables = array();
- while (!$recordSet->EOF) {
- $tables[]= $recordSet->fields[0];
- if (isset($i)) {
- ++$i;
- }
- $recordSet->moveNext();
- }
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)) {
- return true;
- }
- }
- return false;
- }//function _isSetup_MySQL()
-
-
-
- /**
- * Checks if tables are setup for RAP (MySQLi)
- *
- * @see _isSetup_MySQL()
- */
- function _isSetup_MySQLi()
- {
- return $this->_isSetup_MySQL();
- }//function _isSetup_MySQLi()
-
-
-
- /**
- * Checks if tables are setup for RAP (MsAccess)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MsAccess()
- {
- $tables =& $this->dbConn->MetaTables();
- if (!$tables) {
- throw new Exception($this->dbConn->errorMsg());
- }
- if (count($tables) == 0) {
- return false;
- } else {
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)) {
- return true;
- } else {
- return false;
- }
- }
- }//function _isSetup_MsAccess()
-
-
-
- /**
- * Checks if tables are setup for RAP (MSSQL)
- *
- * @throws SqlError
- * @access private
- **/
- function _isSetup_MSSQL()
- {
- $tables =& $this->dbConn->MetaTables();
- if (!$tables) {
- throw new Exception($this->dbConn->errorMsg());
- }
- if (count($tables) == 0) {
- return false;
- } else {
- if (in_array("models",$tables) && in_array("statements",$tables)
- && in_array("namespaces",$tables)){
- return true;
- } else {
- return false;
- }
- }
- }//function _isSetup_MSSQL()
-
-
- /**
- * Create a new instance of DatasetDb with the given $datasetName
- * and insert the DatasetDb variables into the database.
- * Return FALSE if there is already a model with the given URI.
- *
- * @param $datasetName string
- * @return object DatasetDB
- * @throws SqlError
- * @access public
- */
- function & getNewDatasetDb($datasetName)
- {
-
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if ($this->datasetExists($datasetName))
- return FALSE;
- else
- {
- $defaultModelUri=uniqid('http://rdfapi-php/dataset_defaultmodel_');
- $defaultModel=$this->getNewModel($defaultModelUri);
-
- $rs =& $this->dbConn->execute("INSERT INTO datasets
- VALUES ('" .$this->dbConn->qstr($datasetName) ."',
- '" .$this->dbConn->qstr($defaultModelUri)."')");
-
- if (!$rs)
- $this->dbConn->errorMsg();
- else
- $return=new DatasetDb($this->dbConn, $this, $datasetName);
- return ($return);
- }
- }
-
- /**
- * Check if the Dataset with the given $datasetName is already stored in the database
- *
- * @param $datasetName string
- * @return boolean
- * @throws SqlError
- * @access public
- */
-function datasetExists($datasetName) {
-
- $res =& $this->dbConn->execute("SELECT COUNT(*) FROM datasets
- WHERE datasetName = '" .$datasetName ."'");
- if (!$res)
- echo $this->dbConn->errorMsg();
- else {
- if (!$res->fields[0])
- return FALSE;
- return TRUE;
- }
- }
-
-
- /**
- * Create a new instance of DatasetDb with the given $datasetName and
- * load the corresponding values from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param $datasetId string
- * @return object DatasetDb
- * @access public
- */
- function &getDatasetDb($datasetName) {
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if (!$this->datasetExists($datasetName)) {
- return FALSE;
- } else {
- $return = new DatasetDb($this->dbConn, $this, $datasetName);
- return ($return);
- }
- }
-
- /**
- * Create a new instance of namedGraphDb with the given $modelURI and graphName and
- * load the corresponding values of modelID and baseURI from the database.
- * Return FALSE if the DbModel does not exist.
- *
- * @param $modelURI string
- * @param $graphName string
- * @return object NamedGraphMem
- * @access public
- */
- function getNamedGraphDb($modelURI, $graphName)
- {
- require_once(RDFAPI_INCLUDE_DIR . PACKAGE_DATASET);
-
- if (!$this->modelExists($modelURI))
- return FALSE;
- else {
- $modelVars =& $this->dbConn->execute("SELECT modelURI, modelID, baseURI
- FROM models
- WHERE modelURI='" .$modelURI ."'");
-
- return new NamedGraphDb($this->dbConn, $modelVars->fields[0],
- $modelVars->fields[1], $graphName ,$modelVars->fields[2]);
- }
- }
-
- /**
- * Create a new instance of namedGraphDb with the given $modelURI and graphName
- * and insert the DbModel variables into the database (not the graphName. This
- * is only stored persistently, when added to dataset).
- * Return FALSE if there is already a model with the given URI.
- *
- * @param $modelURI string
- * @param $graphName string
- * @param $baseURI string
- * @return object namedGraphDb
- * @throws SqlError
- * @access public
- */
- function getNewNamedGraphDb($modelURI, $graphName, $baseURI=NULL) {
-
- if ($this->modelExists($modelURI))
- return FALSE;
- else {
- $modelID = $this->_createUniqueModelID();
-
- $rs =& $this->dbConn->execute("INSERT INTO models
- (modelID, modelURI, baseURI)
- VALUES (" .$modelID ."',
- " .$this->dbConn->qstr($modelURI) ."',
- " .$this->dbConn->qstr($baseURI) .")");
- if (!$rs)
- $this->dbConn->errorMsg();
- else
- return new NamedGraphDb($this->dbConn, $modelURI, $modelID, $graphName, $baseURI);
- }
- }
-
- /**
- * Removes the graph with all statements from the database.
- * Warning: A single namedGraph can be added to several datasets. So it'll be
- * removed from all datasets.
- *
- * @param $modelURI string
- * @return boolean
- * @throws SqlError
- * @access public
- */
- function removeNamedGraphDb($modelURI)
- {
- if (!$this->modelExists($modelURI))
- return FALSE;
-
- $modelID = $this->dbConn->GetOne("SELECT modelID FROM models WHERE modelURI='".$modelURI."'");
-
- $this->dbConn->execute("DELETE FROM models WHERE modelID=".$modelID);
- $this->dbConn->execute("DELETE FROM dataset_model WHERE modelId=".$modelID);
- $this->dbConn->execute("DELETE FROM statements WHERE modelID=".$modelID);
-
- return true;
- }
-
-
-
- /**
- * Performs a SPARQL query against a model. The model is converted to
- * an RDF Dataset. The result can be retrived in SPARQL Query Results XML Format or
- * as an array containing the variables an their bindings.
- *
- * @param string $query Sparql query string
- * @param mixed $arModelIds Array of modelIDs, or NULL to use all models
- * @param string $resultform Result form ('xml' for SPARQL Query Results XML Format)
- * @return string/array
- */
- function sparqlQuery($query, $arModelIds = null, $resultform = false)
- {
- $engine = $this->_prepareSparql($arModelIds);
- return $engine->queryModel(
- null,
- $this->_parseSparqlQuery($query),
- $resultform
- );
- }//function sparqlQuery($query,$resultform = false)
-
-
-
- /**
- * Prepares everything for SparqlEngine-usage
- * Loads the files, creates instances for SparqlEngine and
- * Dataset...
- *
- * @return SparqlEngineDb
- */
- function _prepareSparql($arModelIds)
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb.php';
- return new SparqlEngineDb($this, $arModelIds);
- }//function _prepareSparql()
-
-
-
- /**
- * Parses an query and returns the parsed form.
- * If the query is not a string but a Query object,
- * it will just be returned.
- *
- * @param $query mixed String or Query object
- * @return Query query object
- * @throws Exception If $query is no string and no Query object
- */
- function _parseSparqlQuery($query)
- {
- if ($this->queryParser === null) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlParser.php';
- $this->queryParser = new SparqlParser();
- }
- return $this->queryParser->parse($query);
- }//function _parseSparqlQuery($query)
-
-} // end: Class DbStore
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Literal.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Literal.php
deleted file mode 100755
index 4f31a427..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Literal.php
+++ /dev/null
@@ -1,188 +0,0 @@
-
- * @author Daniel Westphal
- *
- * @package model
- * @access public
- *
- */
- class Literal extends Node {
-
- /**
- * Label of the literal
- * @var string
- * @access private
- */
- var $label;
- /**
- * Language of the literal
- * @var string
- * @access private
- */
- var $lang;
-
- /**
- * Datatype of the literal
- * @var string
- * @access private
- */
- var $dtype;
-
-
- /**
- * Constructor
- *
- * @param string $str label of the literal
- * @param string $language optional language identifier
- * @param string $datatype optional datatype
- *
- */
- function Literal($str, $language = NULL, $datatype = null)
- {
- $this->label = $str;
-
- if ($language != NULL) {
- $this->lang = $language;
- } else {
- $this->lang = NULL;
- }
-
- if ($datatype != null) {
- $this->dtype = $datatype;
- } else {
- $this->dtype = NULL;
- }
- }
-
- /**
- * Returns the string value of the literal.
- *
- * @access public
- * @return string value of the literal
- */
- function getLabel() {
-
- return $this->label;
- }
-
- /**
- * Returns the language of the literal.
- *
- * @access public
- * @return string language of the literal
- */
- function getLanguage() {
-
- return $this->lang;
- }
-
- /**
- * Sets the language of the literal.
- *
- * @access public
- * @param string $lang
- */
- function setLanguage($lang) {
-
- $this->lang = $lang;
- }
-
- /**
- * Returns the datatype of the literal.
- *
- * @access public
- * @return string datatype of the literal
- */
- function getDatatype() {
-
- return $this->dtype;
- }
-
- /**
- * Sets the datatype of the literal.
- * Instead of datatype URI, you can also use an datatype shortcuts like STRING or INTEGER.
- * The array $short_datatype with the possible shortcuts is definded in ../constants.php
- *
- * @access public
- * @param string URI of XML datatype or datatype shortcut
- *
- */
- function setDatatype($datatype) {
- GLOBAL $short_datatype;
- if (stristr($datatype,DATATYPE_SHORTCUT_PREFIX)) {
- $this->dtype = $short_datatype[substr($datatype,strlen(DATATYPE_SHORTCUT_PREFIX)) ];}
- else
- $this->dtype = $datatype;
- }
-
- /**
- * Checks if ihe literal equals another literal.
- * Two literals are equal, if they have the same label and they
- * have the same language/datatype or both have no language/datatype property set.
- *
- * @access public
- * @param object literal $that
- * @return boolean
- */
- function equals ($that) {
-
- if (($that == NULL) or !(is_a($that, 'Literal'))) {
- return false;
- }
-
- if ( ($this->label == $that->getLabel()) && ( ( ($this->lang == $that->getLanguage()) ||
- ($this->lang == NULL && $that->getLanguage() == NULL) ) &&
-
- (
- ($this->dtype == $that->getDatatype() ||
- ($this->dtype == NULL && $that->getDatatype() == NULL)) ) ) )
- {
- return true;
- }
-
- return false;
- }
-
- /**
- * Dumps literal.
- *
- * @access public
- * @return string
- */
- function toString() {
- $dump = 'Literal("' . $this->label .'"';
- if ($this->lang != NULL)
- $dump .= ', lang="' . $this->lang .'"';
- if ($this->dtype != NULL)
- $dump .= ', datatype="' . $this->dtype .'"';
- $dump .= ')';
- return $dump;
- }
-
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Literal
- */
- function __toString()
- {
- return $this->toString();
- }
-
-
-} // end: Literal
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/MemModel.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/MemModel.php
deleted file mode 100755
index 1545785c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/MemModel.php
+++ /dev/null
@@ -1,1460 +0,0 @@
-
-* @author Gunnar AAstrand Grimnes
-* @author Radoslaw Oldakowski
-* @author Daniel Westphal
-* @author Tobias Gauß
-*
-* @package model
-* @access public
-*/
-
-class MemModel extends Model {
-
- /**
- * Triples of the MemModel
- * @var array
- * @access private
- */
- var $triples = array();
-
- /**
- * Array containing the search indices
- * @var array['INDEX_TYPE'][]['label'][]['PosInModel']
- *
- * @access private
- */
- var $indexArr ;
-
-
- /**
- * depending on which index is used this variable is -1,0,1,2 or 3
- *
- * -1 : no index
- * 0 : default indices over subject, predicate, object separate
- * 1 : index over subject+predicate+object
- * 2 : index over subject+predicate
- * 3 : index over subject+object
- *
- * @var int
- * @access private
- */
- var $indexed;
-
-
-
- /**
- * Array of namespaces
- *
- * @var array
- * @access private
- */
- var $parsedNamespaces=array();
-
-
-
- /**
- * Constructor
- * You can supply a base_uri
- *
- * @param string $baseURI
- * @access public
- */
- function MemModel($baseURI = NULL) {
- $this->setBaseURI($baseURI);
- $this->indexed = INDEX_TYPE;
- }
-
- /**
- * Set a base URI for the MemModel.
- * Affects creating of new resources and serialization syntax.
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * @param string $uri
- * @access public
- */
- function setBaseURI($uri) {
-
- if ($uri != NULL) {
- $c = substr($uri, strlen($uri)-1 ,1);
- if (!($c=='#' || $c==':' || $c=='/' || $c=="\\"))
- $uri .= '#';
- }
- $this->baseURI = $uri;
- }
-
-
- /**
- * Number of triples in the MemModel
- *
- * @return integer
- * @access public
- */
- function size() {
- return count($this->triples);
- }
-
- /**
- * Checks if MemModel is empty
- *
- * @return boolean
- * @access public
- */
- function isEmpty() {
- if (count($this->triples) == 0) {
- return TRUE;
- } else {
- return FALSE;
- };
- }
-
-
- /**
- * Adds a new triple to the MemModel without checking if the statement is already in the MemModel.
- * So if you want a duplicate free MemModel use the addWithoutDuplicates() function (which is slower then add())
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement) {
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: add): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if($this->indexed != -1){
- $this->triples[] = $statement;
- end($this->triples);
- $k=key($this->triples);
- if($this->indexed==0){
- // index over S
- $this->_indexOpr($statement,$k,4,1);
- // index over P
- $this->_indexOpr($statement,$k,5,1);
- // index over O
- $this->_indexOpr($statement,$k,6,1);
- }else{
- $this->_indexOpr($statement,$k,$this->indexed,1);
- }
-
- }else{
- $this->triples[] = $statement;
- }
- }
-
-
-
- /**
- * Checks if a new statement is already in the MemModel and adds the statement, if it is not in the MemModel.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates($statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: addWithoutDuplicates): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if (!$this->contains($statement)) {
- $this->add($statement);
- return true;
- }else{
- return false;
- }
- }
-
- /**
- * Removes the triple from the MemModel.
- * TRUE if the triple is removed.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement) {
-
- if (!is_a($statement, 'Statement')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: remove): Statement expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if($this->indexed==-1){
- $pass=false;
- foreach($this->triples as $key => $value) {
- if ($this->matchStatement($value, $statement->subject(), $statement->predicate(), $statement->object())) {
- unset($this->triples[$key]);
- $pass= true;
- }
- }
- return $pass;
- }else{
- $k= null;
- if($this->indexed==0){
- $pass=false;
- $del=false;
- while($del!=-1){
- // index over S
- $del=$this->_indexOpr($statement,$k,4,0);
- // index over P
- $this->_indexOpr($statement,$k,5,0);
- // index over O
- $this->_indexOpr($statement,$k,6,0);
- if($del!=-1){
- unset($this->triples[$del]);
- $pass=true;
- }
- }
- return $pass;
- }else{
- $pass=false;
- $del=false;
- while($del!=-1){
- $del=$this->_indexOpr($statement,$k,$this->indexed,0);
- if($del!=-1){
- unset($this->triples[$del]);
- $pass=true;
- }
- }
- return $pass;
- }
- }
- }
-
- /**
- * Short Dump of the MemModel.
- *
- * @access public
- * @return string
- */
- function toString() {
- return 'MemModel[baseURI=' . $this->getBaseURI() . '; size=' . $this->size() . ']';
- }
-
- /**
- * Dumps of the MemModel including all triples.
- *
- * @access public
- * @return string
- */
- function toStringIncludingTriples() {
- $dump = $this->toString() . chr(13);
- foreach($this->triples as $value) {
- $dump .= $value->toString() . chr(13);
- }
- return $dump;
- }
-
-
-
-
- /**
- * Writes the RDF serialization of the MemModel as HTML.
- *
- * @access public
- */
- function writeAsHtml() {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this);
- $rdf = htmlspecialchars($rdf, ENT_QUOTES);
- $rdf = str_replace(' ', ' ', $rdf);
- $rdf = nl2br($rdf);
- echo $rdf;
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- */
- function writeAsHtmlTable() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- RDFUtil::writeHTMLTable($this);
- }
-
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- * @return string
- */
- function writeRdfToString() {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser = new RdfSerializer();
- $rdf =& $ser->serialize($this);
- return $rdf;
- }
-
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the MemModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the MemModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf') {
-
-
- // get suffix and create a corresponding serializer
- if ($type=='rdf') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $ser=new RdfSerializer();
- }elseif ($type=='nt') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $ser=new NTripleSerializer();
- }elseif ($type=='n3') {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $ser=new N3Serializer();
- }else {
- print ('Serializer type not properly defined. Use the strings "rdf","n3" or "nt".');
- return false;
- };
-
- return $ser->saveAs($this, $filename);
- }
-
-
- /**
- * Tests if the MemModel contains the given triple.
- * TRUE if the triple belongs to the MemModel;
- * FALSE otherwise.
- *
- * @param object Statement &$statement
- * @return boolean
- * @access public
- */
- function contains(&$statement) {
-
- // no index ->linear contains
- if ($this->indexed==-1){
- foreach($this->triples as $value) {
- if ($value->equals($statement)){
- return TRUE; }
- }
- return false;
- }
- if ($this->indexed==0){
- $res = $this->_containsIndex($statement,4);
- return $res;
- }else{
- return $this->_containsIndex($statement,$this->indexed);
- }
- }
-
-
- /**
- * Determine if all of the statements in a model are also contained in this MemModel.
- * True if all of the statements in $model are also contained in this MemModel and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $statement)
- if(!$this->contains($statement))
- return FALSE;
- return TRUE;
-
- }elseif (is_a($model, 'DbModel'))
-
- return $model->containsAll($this);
-
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- /**
- * Determine if any of the statements in a model are also contained in this MemModel.
- * True if any of the statements in $model are also contained in this MemModel and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(&$model) {
-
- if (is_a($model, 'MemModel')) {
-
- foreach($model->triples as $modelStatement)
- if($this->contains($modelStatement))
- return TRUE;
- return FALSE;
-
- }elseif (is_a($model, 'DbModel'))
-
- return $model->containsAny($this);
-
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: containsAll): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
- /**
- * Builds a search index for the statements in the MemModel.
- * The index is used by the find(),contains(),add() and remove() functions.
- * Performance example using a model with 43000 statements on a Linux machine:
- * Find without index takes 1.7 seconds.
- * Indexing takes 1.8 seconds.
- * Find with index takes 0.001 seconds.
- * So if you want to query a model more then once, build a index first.
- * The defaultindex is indices over subject, predicate, object seperate.
- *
- * mode = 0 : indices over subject,predicate,object (default)
- * mode = 1 : index over subject+predicate+object
- * mode = 2 : index over subject+predicate
- * mode = 3 : index over subject+object
- *
- * @param int $mode
- * @access public
- */
- function index($mode) {
-
- unset($this->indexArr);
- $this->indexArr=array();
- switch($mode){
- // unset indices
- case -1:
- $this->indexed=-1;
- unset($this->indexArr);
- break;
- // index over SPO
- case 0:
- $this->indexed=0;
- foreach($this->triples as $k => $t) {
- // index over S
- $this->_indexOpr($t,$k,4,1);
- // index over P
- $this->_indexOpr($t,$k,5,1);
- // index over O
- $this->_indexOpr($t,$k,6,1);
- }
- break;
- default:
- $this->indexed=$mode;
- foreach($this->triples as $k => $t) {
- $this->_indexOpr($t,$k,$this->indexed,1);
- }
- break;
- }
- }
-
-
- /**
- * Returns true if there is an index, false if not.
- *
- * @return boolean
- * @access public
- */
- function isIndexed() {
- if($this->indexed!=-1){
- return TRUE;
- }else{
- return FALSE;
- }
- }
-
- /**
- * Returns the indextype:
- * -1 if there is no index, 0 if there are indices over S,P,O(separate),
- * 1 if there is an index over SPO, 2 if there is an index over SP and 3 if
- * there is an index over SO.
- *
- * @return int
- * @access public
- *
- */
- function getIndexType(){
- return $this->indexed;
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all triples with $node as object.
- * Returns an empty MemModel if nothing is found.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
-
- function find($subject,$predicate,$object) {
-
- if (
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = new MemModel($this->getBaseURI());
- $res->indexed=-1;
-
- if($this->isEmpty())
- return $res;
-
- if($subject == NULL && $predicate == NULL && $object == NULL)
- return $this;
-
- switch($this->indexed){
- case 1:
- if($subject!=NULL && $predicate != NULL && $object != NULL){
- $pos=$subject->getLabel().$predicate->getLabel().$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,1);
- }else{
- break;
- }
-
- case 2:
- if($subject!=NULL && $predicate != NULL){
- $pos=$subject->getLabel().$predicate->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,2);
- }else{
- break;
- }
-
- case 3:
- if($subject!=NULL && $object != NULL){
- $pos=$subject->getLabel().$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,3);
- }else{
- break;
- }
- case 0:
- if($subject!= null){
- $pos=$subject->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,4);
- }
- if($predicate!= null){
- $pos=$predicate->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,5);
- }
- if($object!= null){
- $pos=$object->getLabel();
- return $this->_findInIndex($pos,$subject,$predicate,$object,6);
- }
- }
- // if no index: linear search
- foreach($this->triples as $value) {
- if ($this->matchStatement($value, $subject, $predicate, $object))
- $res->add($value);
- }
- return $res;
-
- }
-
-
-
-
-
- /**
- * Method to search for triples using Perl-style regular expressions.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find_regex( NULL, NULL, $regex );
- * Finds all triples where the label of the object node matches the regular expression.
- * Returns an empty MemModel if nothing is found.
- *
- * @param string $subject_regex
- * @param string $predicate_regex
- * @param string $object_regex
- * @return object MemModel
- * @access public
- */
- function findRegex($subject_regex, $predicate_regex, $object_regex) {
-
- $res = new MemModel($this->getBaseURI());
-
- if($this->size() == 0)
- return $res;
-
- if($subject_regex == NULL && $predicate_regex == NULL && $object_regex == NULL)
- return $this;
-
- foreach($this->triples as $value) {
- if (
- ($subject_regex == NULL || preg_match($subject_regex, $value->subj->getLabel())) &&
- ($predicate_regex == NULL || preg_match($predicate_regex, $value->pred->getLabel())) &&
- ($object_regex == NULL || preg_match($object_regex, $value->obj->getLabel()))
- ) $res->add($value);
- }
-
- return $res;
-
- }
-
- /**
- * Returns all tripels of a certain vocabulary.
- * $vocabulary is the namespace of the vocabulary inluding a # : / char at the end.
- * e.g. http://www.w3.org/2000/01/rdf-schema#
- * Returns an empty MemModel if nothing is found.
- *
- * @param string $vocabulary
- * @return object MemModel
- * @access public
- */
- function findVocabulary($vocabulary) {
-
- if($this->size() == 0)
- return new MemModel();
- if($vocabulary == NULL || $vocabulary == '')
- return $this;
-
- $res = new MemModel($this->getBaseURI());
- if($this->indexed==0){
- foreach($this->indexArr[5] as $key => $value){
- $pos=strpos($key,'#')+1;
- if(substr($key,0,$pos)==$vocabulary){
- for($i=1;$i<=$value[0];$i++){
- $res->add($this->triples[$value[$i]]);
- }
- }
- }
- return $res;
- }else{
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
- foreach($this->triples as $value) {
- if (RDFUtil::getNamespace($value->getPredicate()) == $vocabulary)
- $res->add($value);
- }
- return $res;
- }
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement of the MemModel where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search for. Default = 0
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject, $predicate, $object, $offset = 0) {
-
- $currentOffset = 0;
- for($i=0;$i<=$offset;$i++)
- {
- $res = $this->findFirstMatchOff($subject, $predicate, $object, $currentOffset);
- $currentOffset=$res+1;
- }
- if ($res != -1) {
- return $this->triples[$res];
- } else {
- return NULL;
- }
- }
-
-
-
-
- /**
- * Searches for triples and returns the first matching statement from a given offset.
- * This method is used by the util/findIterator. NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node, $off );
- * Returns the position of the first statement of the MemModel where the object equals $node from the given
- * offset.
- * Returns an -1 if nothing is found.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param int $off
- * @return int
- * @access private
- */
- function findFirstMatchOff($subject,$predicate, $object,$off) {
-
- if (
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: find): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $match=-1;
- $ind=$this->indexed;
- if($subject == NULL && $predicate == NULL && $object == NULL)
- {
- foreach ($this->triples as $key => $statement)
- {
- if ($key >= $off)
- return $key;
- }
- return -1;
- }
-
- switch($ind){
- case 1:
- if($subject!=NULL && $predicate != NULL && $object != NULL){
- $pos=$subject->getLabel().$predicate->getLabel().$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,1,$off);
- }else{
- break;
- }
-
- case 2:
- if($subject!=NULL && $predicate != NULL){
- $pos=$subject->getLabel().$predicate->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,2,$off);
- }else{
- break;
- }
-
- case 3:
- if($subject!=NULL && $object != NULL){
- $pos=$subject->getLabel().$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,3,$off);
- }else{
- break;
- }
- case 0:
- if($subject!= null){
- $pos=$subject->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,4,$off);
- }
- if($predicate!= null){
- $pos=$predicate->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,5,$off);
- }
- if($object!= null){
- $pos=$object->getLabel();
- return $this->_findMatchIndex($pos,$subject,$predicate,$object,6,$off);
- }
- break;
- }
- // if no index: linear search
- foreach($this->triples as $key => $value){
- if ($this->matchStatement($value, $subject, $predicate, $object)){
- if($off<=$key){
- $match=$key;
- break;
- }
- }
- }
- return $match;
- }
-
-
- /**
- * Searches for triples and returns the number of matches.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findCount( NULL, NULL, $node );
- * Finds all triples with $node as object.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return integer
- * @access public
- */
- function findCount($subject, $predicate, $object) {
-
- $res = $this->find($subject, $predicate, $object);
- return $res->size();
-
- }
-
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function rdqlQuery($queryString, $returnNodes = TRUE) {
-
- // Import RDQL Package
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
-
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // this method can only query this MemModel
- // if another model was specified in the from clause throw an error
- if (isset($parsedQuery['sources'][1])) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: rdqlQuery):';
- $errmsg .= ' this method can only query this MemModel';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $engine = new RdqlMemEngine();
- $res =& $engine->queryModel($this, $parsedQuery, $returnNodes);
-
- return $res;
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE) {
- // Import RDQL Package
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- return new RdqlResultIterator($this->rdqlQuery($queryString, $returnNodes));
- }
-
- /**
- * General method to replace nodes of a MemModel.
- * NULL input for any parameter will match nothing.
- * Example: $m->replace($node, NULL, $node, $replacement);
- * Replaces all $node objects beeing subject or object in
- * any triple of the MemModel with the $needle node.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object Node $replacement
- * @access public
- * @throws PhpError
- */
- function replace($subject, $predicate, $object, $replacement) {
-
- if (
- (!is_a($replacement, 'Node')) ||
- (!is_a($subject, 'Resource') && $subject != NULL) ||
- (!is_a($predicate, 'Resource') && $predicate != NULL) ||
- (!is_a($object, 'Node') && $object != NULL)
- ) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: replace): Parameters must be subclasses of Node or NULL';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if($this->size() == 0)
- break;
- foreach($this->triples as $key => $value) {
- if ($this->triples[$key]->subj->equals($subject)) {
- $this->triples[$key]->subj = $replacement;
- }
- if ($this->triples[$key]->pred->equals($predicate))
- $this->triples[$key]->pred = $replacement;
- if ($this->triples[$key]->obj->equals($object))
- $this->triples[$key]->obj = $replacement;
-
- }
- $this->index($this->indexed);
- }
-
-
- /**
- * Internal method that checks, if a statement matches a S, P, O or NULL combination.
- * NULL input for any parameter will match anything.
- *
- * @param object Statement $statement
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @return boolean
- * @access private
- */
- function matchStatement($statement, $subject, $predicate, $object) {
-
- if(($subject != NULL) AND !($statement->subj->equals($subject)))
- return false;
-
- if($predicate != NULL && !($statement->pred->equals($predicate)))
- return false;
-
- if($object != NULL && !($statement->obj->equals($object)))
- return false;
-
- return true;
- }
-
-
-
-
- /**
- * Checks if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * @access public
- * @param object model &$that
- * @throws phpErrpr
- * @return boolean
- */
-
- function equals(&$that) {
-
- if (!is_a($that, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: equals): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- if ($this->size() != $that->size())
- return FALSE;
- /*
- if (!$this->containsAll($that))
- return FALSE;
- return TRUE;
- */
- include_once(RDFAPI_INCLUDE_DIR. "util/ModelComparator.php");
- return ModelComparator::compare($this,$that);
- }
-
- /**
- * Returns a new MemModel that is the set-union of the MemModel with another model.
- * Duplicate statements are removed. If you want to allow duplicates, use addModel() which is much faster.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- *
- */
- function & unite(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: unite): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = $this;
-
- if (is_a($model, 'MemModel')) {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $res->addWithoutDuplicates($statement);
- }
- }
-
- elseif (is_a($model, 'DbModel')) {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $res->addWithoutDuplicates($value);
- }
-
- return $res;
- }
-
- /**
- * Returns a new MemModel that is the subtraction of another model from this MemModel.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
-
- function & subtract(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: subtract): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = $this;
-
-
- if (is_a($model, 'MemModel'))
- {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $res->remove($statement);
- }
- }
- elseif (is_a($model, 'DbModel'))
- {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $res->remove($value);
- }
-
-
- return $res;
- }
-
- /**
- * Returns a new MemModel containing all the statements which are in both this MemModel and another.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function & intersect(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: intersect: Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $res = new MemModel($this->getBaseURI());
-
- if (is_a($model, 'DbModel') || is_a($model, 'RDFSBModel'))
- {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value) {
- if ($this->contains($value))
- $res->add($value);
- }
- }
-
- elseif (is_a($model, 'MemModel'))
- {
- foreach($model->triples as $value) {
- if ($this->contains($value))
- $res->add($value);
- }
- }
-
-
-
- return $res;
- }
-
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model) {
-
- if (!is_a($model, 'Model')) {
- $errmsg = RDFAPI_ERROR . '(class: MemModel; method: addModel): Model expected.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $blankNodes_tmp = array();
-
- if (is_a($model, 'MemModel')) {
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
- $stateIt=new StatementIterator($model);
- while($statement=$stateIt->next())
- {
- $this->_addStatementFromAnotherModel($statement, $blankNodes_tmp);
- };
- $this->addParsedNamespaces($model->getParsedNamespaces());
- }
-
- elseif (is_a($model, 'DbModel')) {
- $memModel =& $model->getMemModel();
- foreach($memModel->triples as $value)
- $this->_addStatementFromAnotherModel($value, $blankNodes_tmp);
- }
- $this->index($this->indexed);
- }
-
-
- /**
- * Reifies the MemModel.
- * Returns a new MemModel that contains the reifications of all statements of this MemModel.
- *
- * @access public
- * @return object MemModel
- */
- function & reify() {
- $res = new MemModel($this->getBaseURI());
-
- $stateIt=$this->getStatementIterator();
- while($statement=$stateIt->next())
- {
- $pointer =& $statement->reify($res);
- $res->addModel($pointer);
- };
-
- return $res;
- }
-
- /**
- * Returns a StatementIterator for traversing the MemModel.
- * @access public
- * @return object StatementIterator
- */
- function & getStatementIterator() {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php';
-
- $si = new StatementIterator($this);
- return $si;
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & findAsIterator($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/FindIterator.php';
-
- $if = new FindIterator($this,$sub,$pred,$obj);
- return $if;
- }
-
- /**
- * Returns a FindIterator for traversing the MemModel.
- * @access public
- * @return object FindIterator
- */
- function & iterFind($sub=null,$pred=null,$obj=null) {
- // Import Package Utility
- require_once RDFAPI_INCLUDE_DIR . 'util/IterFind.php';
-
- $if = new IterFind($this,$sub,$pred,$obj);
- return $if;
- }
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gau�
- * @access public
- * @return Array
- */
- function getParsedNamespaces(){
- if(count($this->parsedNamespaces)!=0){
- return $this->parsedNamespaces;
- }else{
- return false;
- }
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gau�
- * @access public
- * @param Array $newNs
- */
- function addParsedNamespaces($newNs){
- if($newNs)
- $this->parsedNamespaces = $this->parsedNamespaces + $newNs;
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gau�
- * @access public
- * @param String
- * @param String
- */
- function addNamespace($prefix, $nmsp){
- $this->parsedNamespaces[$nmsp]=$prefix;
- }
-
- /**
- * removes a single namespace from the model
- *
- * @author Tobias Gau�
- * @access public
- * @param String $nmsp
- */
- function removeNamespace($nmsp){
- if(isset($this->parsedNamespaces[$nmsp])){
- unset($this->parsedNamespaces[$nmsp]);
- return true;
- }else{
- return false;
- }
- }
-
-
-
- /**
- * Close the MemModel and free up resources held.
- *
- * @access public
- */
- function close() {
- unset( $this->baseURI );
- unset( $this->triples );
- }
-
- // =============================================================================
- // *************************** helper functions ********************************
- // =============================================================================
- /**
- * Checks if $statement is in index
- *
- * @param int $ind
- * @param Statement &$statement
- * @return boolean
- * @access private
- */
- function _containsIndex(&$statement,$ind){
- switch($ind){
- case 4:
- $sub=$statement->getSubject();
- $pos=$sub->getLabel();
- break;
- case 1:
- $sub=$statement->getSubject();
- $pred=$statement->getPredicate();
- $obj=$statement->getObject();
- $pos=$sub->getLabel().$pred->getLabel().$obj->getLabel();
- break;
- case 2:
- $sub=$statement->getSubject();
- $pred=$statement->getPredicate();
- $pos=$sub->getLabel().$pred->getLabel();
- break;
- case 3:
- $sub=$statement->getSubject();
- $obj=$statement->getObject();
- $pos=$sub->getLabel().$obj->getLabel();
- break;
- }
-
- if (!isset($this->indexArr[$ind][$pos]))
- return FALSE;
- foreach ($this->indexArr[$ind][$pos] as $key => $value) {
- $t=$this->triples[$value];
- if ($t->equals($statement))
- return TRUE;
- }
- return FALSE;
- }
-
-
-
-
-
- /**
- * finds a statement in an index. $pos is the Position in the index
- * and $ind the adequate searchindex
- *
- * @param String $pos
- * @param Object Subject &$subject
- * @param Object Predicate &$predicate
- * @param Object Object &$object
- * @param int &ind
- * @return MemModel $res
- * @access private
- */
- function _findInIndex($pos,&$subject,&$predicate,&$object,$ind){
- $res = new MemModel($this->getBaseURI());
- $res->indexed=-1;
- if (!isset($this->indexArr[$ind][$pos]))
- return $res;
- foreach($this->indexArr[$ind][$pos] as $key =>$value){
- $t=$this->triples[$value];
- if ($this->matchStatement($t,$subject,$predicate,$object))
- $res->add($t);
- }
- return $res;
- }
- /**
- * adds/removes a statement into/from an index.
- * mode=0 removes the statement from the index;
- * mode=1 adds the statement into the index.
- * returns the statements position.
- *
- * @param Object Statement &$statement
- * @param int $k
- * @param int $ind
- * @param int $mode
- * @return int $k
- * @access private
- */
- function _indexOpr(&$statement,$k,$ind,$mode){
- // determine position in adequate index
- switch($ind){
- case 1:
- $s=$statement->getSubject();
- $p=$statement->getPredicate();
- $o=$statement->getObject();
- $pos=$s->getLabel().$p->getLabel().$o->getLabel();
- break;
- case 2:
- $s=$statement->getSubject();
- $p=$statement->getPredicate();
- $pos=$s->getLabel().$p->getLabel();
- break;
- case 3:
- $s=$statement->getSubject();
- $o=$statement->getObject();
- $pos=$s->getLabel().$o->getLabel();
- break;
- case 4:
- $s=$statement->getSubject();
- $pos=$s->getLabel();
- break;
- case 5:
- $p=$statement->getPredicate();
- $pos=$p->getLabel();
- break;
- case 6:
- $o=$statement->getObject();
- $pos=$o->getLabel();
- break;
- }
- switch($mode){
- // add in Index
- case 1:
- if(isset($this->indexArr[$ind][$pos])){
- $this->indexArr[$ind][$pos][] = $k;
- }else{
- $this->indexArr[$ind][$pos][0] = $k;
- }
- break;
- // remove from Index
- case 0:
- $subject=$statement->getSubject();
- $predicate=$statement->getPredicate();
- $object=$statement->getObject();
- $k=-1;
- if(!isset($this->indexArr[$ind][$pos])){
- return -1;
- }
- $num=count($this->indexArr[$ind][$pos]);
- foreach($this->indexArr[$ind][$pos] as $key => $value){
- $t=$this->triples[$value];
- if($this->matchStatement($t,$subject,$predicate,$object)){
- $k=$value;
- if($num==1){
- unset($this->indexArr[$ind][$pos]);
- }else{
- unset($this->indexArr[$ind][$pos][$key]);
- }
- return $k;
- }
- }
- break;
- }
- return $k;
- }
-
-
- /**
- * finds next or previous matching statement.
- * Returns Position in model or -1 if there is no match.
- *
- *
- * @param String
- * @param object Subject
- * @param object Predicate
- * @param object Object
- * @param integer
- * @param integer
- * @return integer
- * @access private
- */
- function _findMatchIndex($pos,&$s,&$p,&$o,$ind,$off){
- $match=-1;
- if (!isset($this->indexArr[$ind][$pos])) {
- return $match;}
- foreach($this->indexArr[$ind][$pos] as $key =>$value){
- $t=$this->triples[$value];
- if ($this->matchStatement($t,$s,$p,$o)){
- if($off <= $value){
- $match= $value;
- return $match;
- }
- }
- }
-
- return $match;
-
- }
-
-
-
-
-} // end: MemModel
-
-
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Model.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Model.php
deleted file mode 100755
index 1c086b54..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Model.php
+++ /dev/null
@@ -1,566 +0,0 @@
- triples, where P is a uriref, S is either
- * a uriref or a blank node, and O is either a uriref, a blank node, or a literal.
- *
- *
- * @version $Id: Model.php 551 2007-11-22 19:58:35Z p_frischmuth $
- * @author Radoslaw Oldakowski
- * @author Daniel Westphal
- *
- * @package model
- * @access public
- */
-class Model extends Object
-{
- /**
- * Base URI of the Model.
- * Affects creating of new resources and serialization syntax.
- *
- * @var string
- * @access private
- */
- var $baseURI;
-
- /**
- * Number of the last assigned bNode.
- *
- * @var integer
- * @access private
- */
- var $bNodeCount;
-
- /**
- * SparqlParser so we can re-use it
- * @var Parser
- */
- var $queryParser = null;
-
-
-
- /**
- * Notice for people who are used to work with older versions of RAP.
- *
- * @throws PHPError
- * @access public
- */
- function Model()
- {
-
- $errmsg = 'Since RAP 0.6 the class for manipulating memory models has been renamed to MemModel.';
- $errmsg .= '
Sorry for this inconvenience.
';
-
- trigger_error($errmsg, E_USER_ERROR);
- }
-
-
-
- /**
- * Return current baseURI.
- *
- * @return string
- * @access public
- */
- function getBaseURI()
- {
- return $this->baseURI;
- }
-
-
-
- /**
- * Load a model from a file containing RDF, N3, N-Triples or a xhtml document containing RDF.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to this DbModel.
- *
- * @param string $filename
- * @param string $type
- * @param boolean $stream
- * @access public
- */
- function load($filename, $type = NULL, $stream=false)
- {
- if ((isset($type)) && ($type =='n3') OR ($type =='nt')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- }elseif ((isset($type)) && ($type =='rdf')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- }elseif ((isset($type)) && ($type =='grddl')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- }elseif ((isset($type)) && ($type =='rss')) {
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RSS);
- $parser = new RssParser();
- }else {
- // create a parser according to the suffix of the filename
- // if there is no suffix assume the file to be XML/RDF
- preg_match("/\.([a-zA-Z0-9_]+)$/", $filename, $suffix);
- if (isset($suffix[1]) && (strtolower($suffix[1]) == 'n3' OR strtolower($suffix[1]) == 'nt')){
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- }elseif (isset($suffix[1]) && (strtolower($suffix[1]) == 'htm' OR strtolower($suffix[1]) == 'html' OR strtolower($suffix[1]) == 'xhtml')){
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- }else{
- // Import Package Syntax
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- }
- };
-
- if (($stream && $type=='rdf')||($stream && $type=='n3')) {
- $temp=&$parser->generateModel($filename,false,$this);
- } else{
- $temp=&$parser->generateModel($filename);
- }
- $this->addModel($temp);
- if($this->getBaseURI()== null)
- $this->setBaseURI($temp->getBaseURI());
- }
-
- /**
- * This method takes a string conatining data and adds the parsed data to this model.
- *
- * @param string $str The string containing the data to be parsed and loaded.
- * @param type $type The type of the string, currently only 'json' is supported.
- */
- function loadFromString($str, $type) {
-
- switch ($type) {
- case 'json':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_JSON);
- $parser = new JsonParser();
- break;
- case 'n3':
- case 'nt':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_N3);
- $parser = new N3Parser();
- break;
- case 'rdf':
- case 'rdfxml':
- case 'xml':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $parser = new RdfParser();
- break;
- case 'grddl':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_GRDDL);
- $parser = new GRDDLParser();
- break;
- case 'rss':
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RSS);
- $parser = new RssParser();
- break;
- default:
- trigger_error('(class: Model; method: loadFromString): type ' . $type . 'is currently not supported',
- E_USER_ERROR);
- }
-
- if ($parser instanceof JsonParser) {
- $parser->generateModelFromString($str, $this);
- } else {
- $parser->generateModel($str, false, $this);
- }
- }
-
- /**
- * Adds a statement from another model to this model.
- * If the statement to be added contains a blankNode with an identifier
- * already existing in this model, a new blankNode is generated.
- *
- * @param Object Statement $statement
- * @access private
- */
- function _addStatementFromAnotherModel($statement, &$blankNodes_tmp)
- {
- $subject = $statement->getSubject();
- $object = $statement->getObject();
-
- if (is_a($subject, "BlankNode")) {
- $label = $subject->getLabel();
- if (!array_key_exists($label, $blankNodes_tmp))
- {
- if ($this->findFirstMatchingStatement($subject, NULL, NULL)
- || $this->findFirstMatchingStatement(NULL, NULL, $subject))
- {
- $blankNodes_tmp[$label] = new BlankNode($this);
- $statement->subj = $blankNodes_tmp[$label];
- } else {
- $blankNodes_tmp[$label] = $subject;
- }
- } else
- $statement->subj = $blankNodes_tmp[$label];
- }
-
- if (is_a($object, "BlankNode")) {
- $label = $object->getLabel();
- if (!array_key_exists($label, $blankNodes_tmp))
- {
- if ($this->findFirstMatchingStatement($object, NULL, NULL)
- || $this->findFirstMatchingStatement(NULL, NULL, $object))
- {
- $blankNodes_tmp[$label] = new BlankNode($this);
- $statement->obj = $blankNodes_tmp[$label];
- } else {
- $blankNodes_tmp[$label] = $object;
- }
- } else
- $statement->obj = $blankNodes_tmp[$label];
- }
- $this->add($statement);
- }
-
-
-
- /**
- * Internal method, that returns a resource URI that is unique for the Model.
- * URIs are generated using the base_uri of the DbModel, the prefix and a unique number.
- * If no prefix is defined, the bNode prefix, defined in constants.php, is used.
- *
- * @param string $prefix
- * @return string
- * @access private
- */
- function getUniqueResourceURI($prefix = false)
- {
- static $bNodeCount;
- if(!$bNodeCount)
- $bNodeCount = 0;
-
- if(!$prefix)
- $prefix=BNODE_PREFIX;
-
- return $prefix.++$bNodeCount;
- }
-
-
-
- /**
- * Returns a ResModel with this model as baseModel. This is the same as
- * ModelFactory::getResModelForBaseModel($this).
- *
- * @return object ResModel
- * @access public
- */
- function & getResModel()
- {
- return ModelFactory::getResModelForBaseModel($this);
- }
-
-
-
- /**
- * Returns an OntModel with this model as baseModel.
- * $vocabulary has to be one of the following constants (currently only one is supported):
- * RDFS_VOCABULARY to select a RDFS Vocabulary.
- *
- * This is the same as ModelFactory::getOntModelForBaseModel($this, $vocabulary).
- *
- * @param constant $vocabulary
- * @return object OntModel
- * @access public
- */
- function & getOntModel($vocabulary)
- {
- return ModelFactory::getOntModelForBaseModel($this, $vocabulary);
- }
-
-
-
- /**
- * Searches for triples using find() and tracks forward blank nodes
- * until the final objects in the retrieved subgraphs are all named resources.
- * The method calls itself recursivly until the result is complete.
- * NULL input for subject, predicate or object will match anything.
- * Inputparameters are ignored for recursivly found statements.
- * Returns a new MemModel or adds (without checking for duplicates)
- * the found statements to a given MemModel.
- * Returns an empty MemModel, if nothing is found.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: This method can be slow with large models.
- * NOTE: Blank nodes are not renamed, they keep the same nodeIDs
- * as in the queried model!
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton Koestlbacher
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param object MemModel $object
- * @return object MemModel
- * @access public
- * @throws PhpError
- */
- function findForward($subject, $predicate, $object, &$newModel = NULL)
- {
- if (!is_a($newModel, "MemModel"))
- {
- $newModel = New MemModel;
- }
-
- if (is_a($this, "DbModel"))
- {
- $model = $this;
- $res = $model->find($subject, $predicate, $object);
- $it = $res->getStatementIterator();
- }
- elseif (is_a($this, "MemModel")) {
- $model = $this;
- $it = $model->findAsIterator($subject, $predicate, $object);
- }
- elseif (is_a($this, "ResModel")) {
- $model = $this->model;
- $it = $model->findAsIterator($subject, $predicate, $object);
- }
-
- while ($it->hasNext())
- {
- $statement = $it->next();
- $newModel->add($statement);
- if (is_a($statement->object(),'BlankNode'))
- {
- $model->findForward($statement->object(), NULL, NULL, $newModel);
- }
- }
- return $newModel;
- }
-
-
-
- /**
- * Perform an RDQL query on this Model. Should work with all types of models.
- * This method returns a MemModel containing the result statements.
- * If $closure is set to TRUE, the result will additionally contain
- * statements found by the findForward-method for blank nodes.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * WARNING: If called with $closure = TRUE this method
- * can be slow with large models.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton K�tlbacher
- * @author code snippets taken from the RAP Netapi by Phil Dawes and Chris Bizer
- * @access public
- * @param string $queryString
- * @param boolean $closure
- * @return object MemModel
- *
- */
- function & getMemModelByRDQL($queryString, $closure = FALSE)
- {
- require_once(RDFAPI_INCLUDE_DIR.PACKAGE_RDQL);
- $parser = new RdqlParser();
- $parsedQuery =& $parser->parseQuery($queryString);
-
- // If there are variables used in the pattern but not
- // in the select clause, add them to the select clause
- foreach ($parsedQuery['patterns'] as $n => $pattern)
- {
- foreach ($pattern as $key => $val_1)
- {
- if ($val_1['value']{0}=='?')
- {
- if (!in_array($val_1['value'],$parsedQuery['selectVars']))
- {
- array_push($parsedQuery['selectVars'],$val_1['value']);
- }
- }
- }
- }
-
- if (is_a($this, "DbModel"))
- {
- $engine = new RdqlDbEngine();
- $model = $this;
- }
- elseif (is_a($this, "MemModel"))
- {
- $engine = new RdqlMemEngine();
- $model = $this;
- }
- elseif (is_a($this, "ResModel"))
- {
- $engine = new RdqlMemEngine();
- $model = $this->model;
- }
-
- $res = $engine->queryModel($model,$parsedQuery,TRUE);
- $rdqlIter = new RdqlResultIterator($res);
- $newModel = new MemModel();
-
- // Build statements from RdqlResultIterator
- while ($rdqlIter->hasNext()) {
- $result = $rdqlIter->next();
- foreach ($parsedQuery['patterns'] as $n => $pattern)
- {
- if (substr($pattern['subject']['value'], 0, 1) == '?')
- {
- $subj = $result[$pattern['subject']['value']];
- }
- else
- {
- $subj = new Resource($pattern['subject']['value']);
- }
- if (substr($pattern['predicate']['value'], 0, 1) == '?')
- {
- $pred = $result[$pattern['predicate']['value']];
- }
- else
- {
- $pred = new Resource($pattern['predicate']['value']);
- }
-
- if (substr($pattern['object']['value'], 0, 1) == '?')
- {
- $obj = $result[$pattern['object']['value']];
- }
- else
- {
- if (isset($pattern['object']['is_literal']))
- {
- $obj = new Literal($pattern['object']['value']);
- $obj->setDatatype($pattern['object']['l_dtype']);
- $obj->setLanguage($pattern['object']['l_lang']);
- }
- else
- {
- $obj = new Resource($pattern['object']['value']);
- }
- }
-
- $statement = new Statement($subj,$pred,$obj);
- $newModel->add($statement);
-
- // findForward() Statements containing an eventually given blank node
- // and add them to the result, if closure = true
- if (is_a($statement->object(),'BlankNode') && $closure == True)
- {
- $newModel = $model->findForward($statement->object(),NULL,NULL, $newModel);
- }
- if (is_a($statement->subject(),'BlankNode') && $closure == True)
- {
- $newModel = $model->findForward($statement->subject(),NULL,NULL, $newModel);
- }
- }
- }
- return $newModel;
- }
-
-
-
- /**
- * Alias for RDFUtil::visualiseGraph(&$model, $format, $short_prefix)
- *
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * Note: See RDFUtil for further Information.
- * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- *
- * @author Anton K�tlbacher
- * @param string $format
- * @param boolean $short_prefix
- * @return string, binary
- * @access public
- * @throws PhpError
- */
- function visualize($format = "dot", $short_prefix = TRUE)
- {
- return RDFUtil::visualizeGraph($this, $format, $short_prefix);
- }
-
-
- /**
- * Performs a SPARQL query against a model. The model is converted to
- * an RDF Dataset. The result can be retrived in SPARQL Query Results XML Format or
- * as an array containing the variables an their bindings.
- *
- * @param string $query the sparql query string
- * @param string $resultform the result form ('xml' for SPARQL Query Results XML Format)
- * @return string/array
- */
- function sparqlQuery($query, $resultform = false)
- {
- list($engine, $dataset) = $this->_prepareSparql();
- return $engine->queryModel(
- $dataset,
- $this->_parseSparqlQuery($query),
- $resultform
- );
- }//function sparqlQuery($query,$resultform = false)
-
-
-
- /**
- * Prepares a sparql query and returns a prepared statement
- * that can be executed with data later on.
- *
- * @param string $query Sparql query to prepare.
- * @return SparqlEngine_PreparedStatement prepared statement object
- */
- function sparqlPrepare($query)
- {
- list($engine, $dataset) = $this->_prepareSparql();
- return $engine->prepare(
- $dataset,
- $this->_parseSparqlQuery($query)
- );
- }//function sparqlPrepare($query)
-
-
-
- /**
- * Prepares everything for SparqlEngine-usage
- * Loads the files, creates instances for SparqlEngine and
- * Dataset...
- *
- * @return array First value is the sparql engine, second the dataset
- */
- function _prepareSparql()
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngine.php';
- require_once RDFAPI_INCLUDE_DIR . 'dataset/DatasetMem.php';
-
- $dataset = new DatasetMem();
- $dataset->setDefaultGraph($this);
-
- return array(
- SparqlEngine::factory($this),
- $dataset
- );
- }//function _prepareSparql()
-
-
-
- /**
- * Parses an query and returns the parsed form.
- * If the query is not a string but a Query object,
- * it will just be returned.
- *
- * @param $query mixed String or Query object
- * @return Query query object
- * @throws Exception If $query is no string and no Query object
- */
- function _parseSparqlQuery($query)
- {
- if ($this->queryParser === null) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlParser.php';
- $this->queryParser = new SparqlParser();
- }
- return $this->queryParser->parse($query);
- }//function _parseSparqlQuery($query)
-
-} // end: Model
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelFactory.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelFactory.php
deleted file mode 100755
index b62bfc52..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelFactory.php
+++ /dev/null
@@ -1,288 +0,0 @@
-
-* @author Richard Cyganiak
-*
-*
-* @package model
-* @access public
-**/
-class ModelFactory
-{
- /**
- * Returns a MemModel.
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getDefaultModel($baseURI = null)
- {
- return ModelFactory::getMemModel($baseURI);
- }
-
- /**
- * Returns a NamedGraphSetMem.
- * You can supply a GraphSet name.
- *
- * @param string $graphSetId
- * @param string $uri
- * @access public
- */
- function & getDatasetMem($graphSetId = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'dataset/DatasetMem.php';
- $m = new DatasetMem($graphSetId);
- return $m;
- }
-
- /**
- * Returns a MemModel.
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getMemModel($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'model/MemModel.php';
- $m = new MemModel($baseURI);
- return $m;
- }
-
- /**
- * Returns a DbModel with the database connection
- * defined in constants.php.
- * You can supply a base URI. If a model with the given base
- * URI exists in the DbStore, it'll be opened.
- * If not, a new model will be created.
- *
- * @param string $baseURI
- * @return object DbModel
- * @access public
- */
- function & getDefaultDbModel($baseURI = null)
- {
- $dbStore = ModelFactory::getDbStore();
- $m = ModelFactory::getDbModel($dbStore,$baseURI);
- return $m;
- }
-
- /**
- * Returns a new DbModel using the database connection
- * supplied by $dbStore.
- * You can supply a base URI. If a model with the given base
- * URI exists in the DbStore, it'll be opened.
- * If not, a new model will be created.
- *
- * @param object DbStore $dbStore
- * @param string $baseURI
- * @return object DbModel
- * @access public
- */
- function & getDbModel($dbStore, $baseURI = null)
- {
- if ($dbStore->modelExists($baseURI)) {
- return $dbStore->getModel($baseURI);
- }
-
- return $dbStore->getNewModel($baseURI);
- }
-
- /**
- * Returns a database connection with the given parameters.
- * Paramters, which are not defined are taken from the constants.php
- *
- * @param string $dbDriver
- * @param string $host
- * @param string $dbName
- * @param string $user
- * @param string $password
- * @return object DbStore
- * @access public
- */
- function & getDbStore($dbDriver=ADODB_DB_DRIVER, $host=ADODB_DB_HOST, $dbName=ADODB_DB_NAME,
- $user=ADODB_DB_USER, $password=ADODB_DB_PASSWORD)
- {
- $dbs = new DbStore($dbDriver, $host, $dbName,$user, $password);
- return $dbs;
- }
-
- /**
- * Returns a InfModelF.
- * (MemModel with forward chaining inference engine)
- * Configurations can be done in constants.php
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getInfModelF($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'infModel/InfModelF.php';
- $mod = new InfModelF($baseURI);
- return $mod;
- }
-
- /**
- * Returns a InfModelB.
- * (MemModel with backward chaining inference engine)
- * Configurations can be done in constants.php
- * You can supply a base URI
- *
- * @param string $baseURI
- * @return object MemModel
- * @access public
- */
- function & getInfModelB($baseURI = null)
- {
- require_once RDFAPI_INCLUDE_DIR . 'infModel/InfModelB.php';
- $mod = new InfModelB($baseURI);
- return $mod;
- }
-
- /**
- * Returns a ResModel.
- * $modelType has to be one of the following constants:
- * MEMMODEL,DBMODEL,INFMODELF,INFMODELB to create a resmodel with a new
- * model from defined type.
- * You can supply a base URI
- *
- * @param constant $modelType
- * @param string $baseURI
- * @return object ResModel
- * @access public
- */
- function & getResModel($modelType, $baseURI = null)
- {
- switch ($modelType) {
- case DBMODEL:
- $baseModel = ModelFactory::getDefaultDbModel($baseURI);
- break;
-
- case INFMODELF:
- $baseModel = ModelFactory::getInfModelF($baseURI);
- break;
-
- case INFMODELB:
- $baseModel = ModelFactory::getInfModelB($baseURI);
- break;
-
- default:
- $baseModel = ModelFactory::getMemModel($baseURI);
- break;
- }
- return ModelFactory::getResModelForBaseModel($baseModel);
- }
-
- /**
- * Creates a ResModel that wraps an existing base model.
- *
- * @param object Model $baseModel
- * @return object ResModel
- * @access public
- */
- function &getResModelForBaseModel(&$baseModel) {
- require_once RDFAPI_INCLUDE_DIR . 'resModel/ResModel.php';
- $mod = new ResModel($baseModel);
- return $mod;
- }
-
- /**
- * Returns an OntModel.
- * $modelType has to be one of the following constants:
- * MEMMODEL, DBMODEL, INFMODELF, INFMODELB to create a OntModel
- * with a new model from defined type.
- * $vocabulary defines the ontology language. Currently only
- * RDFS_VOCABULARY is supported. You can supply a model base URI.
- *
- * @param constant $modelType
- * @param constant $vocabulary
- * @param string $baseURI
- * @return object OntModel
- * @access public
- */
- function & getOntModel($modelType,$vocabulary, $baseURI = null)
- {
- switch ($modelType)
- {
- case DBMODEL:
- $baseModel = ModelFactory::getDefaultDbModel($baseURI);
- break;
-
- case INFMODELF:
- $baseModel = ModelFactory::getInfModelF($baseURI);
- break;
-
- case INFMODELB:
- $baseModel = ModelFactory::getInfModelB($baseURI);
- break;
-
- default:
- $baseModel = ModelFactory::getMemModel($baseURI);;
- }
-
- $mod = ModelFactory::getOntModelForBaseModel($baseModel, $vocabulary);
- return $mod;
- }
-
- /**
- * Creates an OntModel that wraps an existing base model.
- * $vocabulary defines the ontology language. Currently only
- * RDFS_VOCABULARY is supported.
- *
- * @param object Model $baseModel
- * @param constant $vocabulary
- * @return object OntModel
- * @access public
- */
- function &getOntModelForBaseModel(&$baseModel, $vocabulary)
- {
- require_once RDFAPI_INCLUDE_DIR . 'ontModel/OntModel.php';
-
- switch ($vocabulary)
- {
- case RDFS_VOCABULARY:
- require_once(RDFAPI_INCLUDE_DIR.'ontModel/'.RDFS_VOCABULARY);
- $vocab_object = new RdfsVocabulary();
- break;
- default:
- trigger_error("Unknown vocabulary constant '$vocabulary'; only RDFS_VOCABULARY is supported", E_USER_WARNING);
- $vocab_object = null;
- break;
- }
- $mod = new OntModel($baseModel, $vocab_object);
- return $mod;
- }
-
-
-
- /**
- * Creates a SparqlClient.
- *
- * @param String $server Link to a SPARQL endpoint.
- * @return SparqlClient the SparqlClient object.
- * @access public
- */
- function & getSparqlClient($server){
- $cl = new SparqlClient($server);
- return $cl;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelP.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelP.php
deleted file mode 100755
index 15a5cf08..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/ModelP.php
+++ /dev/null
@@ -1,27 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include Model classes
-require_once( RDFAPI_INCLUDE_DIR . 'model/Node.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Literal.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Resource.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Blanknode.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Statement.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/Model.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/MemModel.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/DbStore.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'util/StatementIterator.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'model/ModelFactory.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'sparql/SparqlClient.php' );
-require_once( RDFAPI_INCLUDE_DIR . 'sparql/ClientQuery.php' );
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Node.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Node.php
deleted file mode 100755
index 16d11445..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Node.php
+++ /dev/null
@@ -1,25 +0,0 @@
-
- * @package model
- * @abstract
- *
- */
- class Node extends Object {
- } // end:RDFNode
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Resource.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Resource.php
deleted file mode 100755
index 4a1b4869..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Resource.php
+++ /dev/null
@@ -1,142 +0,0 @@
-
- *
- * @package model
- * @access public
- *
- */
- class Resource extends Node {
-
- /**
- * URIref to the resource
- * @var string
- * @access private
- */
- var $uri;
-
-
- /**
- * Constructor
- * Takes an URI or a namespace/localname combination
- *
- * @param string $namespace_or_uri
- * @param string $localName
- * @access public
- */
- function Resource($namespace_or_uri , $localName = NULL) {
- if ($localName == NULL) {
- $this->uri = $namespace_or_uri;
- } else {
- $this->uri = $namespace_or_uri . $localName;
- }
- }
-
-
- /**
- * Returns the URI of the resource.
- * @return string
- * @access public
- */
- function getURI() {
- return $this->uri;
- }
-
- /**
- * Returns the label of the resource, which is the URI of the resource.
- * @access public
- * @return string
- */
- function getLabel() {
- return $this->getURI();
- }
-
- /**
- * Returns the namespace of the resource. May return null.
- * @access public
- * @return string
- */
- function getNamespace() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- return RDFUtil::guessNamespace($this->uri);
- }
-
- /**
- * Returns the local name of the resource.
- * @access public
- * @return string
- */
- function getLocalName() {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- return RDFUtil::guessName($this->uri);
- }
-
- /**
- * Dumps resource.
- * @access public
- * @return string
- */
- function toString() {
- return 'Resource("' . $this->uri .'")';
- }
-
- /**
- * Checks if the resource equals another resource.
- * Two resources are equal, if they have the same URI
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
-
- if (($that == NULL) or !(is_a($that, 'Resource')) or (is_a($that, 'BlankNode'))) {
- return false;
- }
-
- if ($this->getURI() == $that->getURI()) {
- return true;
- }
-
- return false;
- }
-
-
-
-
- /**
- * Doing string magic in PHP5
- * @return string String representation of this Resource
- */
- function __toString()
- {
- return $this->toString();
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Statement.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Statement.php
deleted file mode 100755
index a7b24627..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/model/Statement.php
+++ /dev/null
@@ -1,313 +0,0 @@
-
- * @version $Id: Statement.php 268 2006-05-15 05:28:09Z tgauss $
- * @package model
- */
-class Statement extends Object {
-
- /**
- * Subject of the statement
- *
- * @var object resource
- * @access private
- */
- var $subj;
-
- /**
- * Predicate of the statement
- *
- * @var object resource
- * @access private
- */
- var $pred;
-
- /**
- * Object of the statement
- *
- * @var object node
- * @access private
- */
- var $obj;
-
- /**
- * The parameters to constructor are instances of classes and not just strings
- *
- * @param object node $subj
- * @param object node $pred
- * @param object node $obj
- * @throws PhpError
- */
- function Statement($subj, $pred, $obj) {
-
- if (!is_a($subj, 'Resource')) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource expected as subject.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if (!is_a($pred, 'Resource') || is_a($pred, 'BlankNode')) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource expected as predicate, no blank node allowed.';
- trigger_error($errmsg, E_USER_ERROR);
- }
- if (!(is_a($obj, 'Resource') or is_a($obj, 'Literal'))) {
- $errmsg = RDFAPI_ERROR .
- '(class: Statement; method: new): Resource or Literal expected as object.';
- trigger_error($errmsg, E_USER_ERROR);
- }
-
- $this->pred = $pred;
- $this->subj = $subj;
- $this->obj = $obj;
- }
-
- /**
- * Returns the subject of the triple.
- * @access public
- * @return object node
- */
- function getSubject() {
- return $this->subj;
- }
-
- /**
- * Returns the predicate of the triple.
- * @access public
- * @return object node
- */
- function getPredicate() {
- return $this->pred;
- }
-
- /**
- * Returns the object of the triple.
- * @access public
- * @return object node
- */
- function getObject() {
- return $this->obj;
- }
-
- /**
- * Alias for getSubject()
- * @access public
- * @return object node
- */
- function subject() {
- return $this->subj;
- }
-
- /**
- * Alias for getPredicate()
- * @access public
- * @return object node
- */
- function predicate() {
- return $this->pred;
- }
-
- /**
- * Alias for getObject()
- * @access public
- * @return object node
- */
- function object() {
- return $this->obj;
- }
- /**
- * Retruns the hash code of the triple.
- * @access public
- * @return string
- */
- function hashCode() {
- return md5($this->subj->getLabel() . $this->pred->getLabel() . $this->obj->getLabel());
- }
-
- /**
- * Dumps the triple.
- * @access public
- * @return string
- */
-
- function toString() {
- return 'Triple(' . $this->subj->toString() . ', ' . $this->pred->toString() . ', ' . $this->obj->toString() . ')';
-
- }
-
- /**
- * Returns a toString() serialization of the statements's subject.
- *
- * @access public
- * @return string
- */
- function toStringSubject() {
- return $this->subj->toString();
- }
-
- /**
- * Returns a toString() serialization of the statements's predicate.
- *
- * @access public
- * @return string
- */
- function toStringPredicate() {
- return $this->pred->toString();
- }
-
- /**
- * Reurns a toString() serialization of the statements's object.
- *
- * @access public
- * @return string
- */
- function toStringObject() {
- return $this->obj->toString();
- }
-
- /**
- * Returns the URI or bNode identifier of the statements's subject.
- *
- * @access public
- * @return string
- */
- function getLabelSubject() {
- return $this->subj->getLabel();
- }
-
- /**
- * Returns the URI of the statements's predicate.
- *
- * @access public
- * @return string
- */
- function getLabelPredicate() {
- return $this->pred->getLabel();
- }
-
- /**
- * Reurns the URI, text or bNode identifier of the statements's object.
- *
- * @access public
- * @return string
- */
- function getLabelObject() {
- return $this->obj->getLabel();
- }
-
- /**
- * Checks if two statements are equal.
- * Two statements are considered to be equal if they have the
- * same subject, predicate and object. A statement can only be equal
- * to another statement object.
- * @access public
- * @param object statement $that
- * @return boolean
- */
-
- function equals ($that) {
-
- if ($this == $that) {
- return true;
- }
- if ($that == NULL || !(is_a($that, 'Statement'))) {
- return false;
- }
-
- return
- $this->subj->equals($that->subject()) &&
- $this->pred->equals($that->predicate()) &&
- $this->obj->equals($that->object());
- }
-
- /**
- * Compares two statements and returns integer less than, equal to, or greater than zero.
- * Can be used for writing sorting function for models or with the PHP function usort().
- *
- * @access public
- * @param object statement &$that
- * @return boolean
- */
-
- function compare(&$that) {
- return statementsorter($this, $that);
- // statementsorter function see below
- }
-
-
- /**
- * Reifies a statement.
- * Returns a new MemModel that is the reification of the statement.
- * For naming the statement's bNode a Model or bNodeID must be passed to the method.
- *
- * @access public
- * @param mixed &$model_or_bNodeID
- * @return object model
- */
-
- function & reify(&$model_or_bNodeID) {
-
- if (is_a($model_or_bNodeID, 'MemModel')) {
- // parameter is model
- $statementModel = new MemModel($model_or_bNodeID->getBaseURI());
- $thisStatement = new BlankNode($model_or_bNodeID);
- } else {
- // parameter is bNodeID
- $statementModel = new MemModel();
- $thisStatement = &$model_or_bNodeID;
- }
-
- $RDFstatement = new Resource(RDF_NAMESPACE_URI . RDF_STATEMENT);
- $RDFtype = new Resource(RDF_NAMESPACE_URI . RDF_TYPE);
- $RDFsubject = new Resource(RDF_NAMESPACE_URI . RDF_SUBJECT);
- $RDFpredicate = new Resource(RDF_NAMESPACE_URI . RDF_PREDICATE);
- $RDFobject = new Resource(RDF_NAMESPACE_URI . RDF_OBJECT);
-
- $statementModel->add(new Statement($thisStatement, $RDFtype, $RDFstatement));
- $statementModel->add(new Statement($thisStatement, $RDFsubject, $this->getSubject()));
- $statementModel->add(new Statement($thisStatement, $RDFpredicate, $this->getPredicate()));
- $statementModel->add(new Statement($thisStatement, $RDFobject, $this->Object()));
-
- return $statementModel;
- }
-
-} // end: Statement
-
-
-/**
-* Comparison function for comparing two statements.
-* statementsorter() is used by the PHP function usort ( array array, callback cmp_function)
-*
-* @access private
-* @param object Statement $a
-* @param object Statement $b
-* @return integer less than, equal to, or greater than zero
-* @throws phpErrpr
-*/
-function statementsorter($a,$b) {
- //Compare subjects
- $x=$a->getSubject();
- $y=$b->getSubject();
- $r=strcmp($x->getLabel(),$y->getLabel());
- if ($r!=0) return $r;
- //Compare predicates
- $x=$a->getPredicate();
- $y=$b->getPredicate();
- $r=strcmp($x->getURI(),$y->getURI());
- if ($r!=0) return $r;
- //Final resort, compare objects
- $x=$a->getObject();
- $y=$b->getObject();
- return strcmp($x->toString(),$y->toString());
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/all-wcprops
deleted file mode 100755
index e6f8e819..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/all-wcprops
+++ /dev/null
@@ -1,59 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 62
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel
-END
-OWLVocabulary.php
-K 25
-svn:wc:ra_dav:version-url
-V 80
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OWLVocabulary.php
-END
-OntModel.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OntModel.php
-END
-OntModelP.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OntModelP.php
-END
-OntProperty.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OntProperty.php
-END
-OntClass.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OntClass.php
-END
-RdfsVocabulary.php
-K 25
-svn:wc:ra_dav:version-url
-V 81
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/RdfsVocabulary.php
-END
-Individual.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/Individual.php
-END
-OntResource.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/ontModel/OntResource.php
-END
-OntVocabulary.php
-K 25
-svn:wc:ra_dav:version-url
-V 80
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/ontModel/OntVocabulary.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/entries
deleted file mode 100755
index 50afc937..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/entries
+++ /dev/null
@@ -1,145 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/ontModel
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-OWLVocabulary.php
-file
-
-
-
-
-2008-02-29T14:57:44.944478Z
-1aa171d09b4c8b94c8a7ba91b6308485
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-OntModel.php
-file
-
-
-
-
-2008-02-29T14:57:44.960099Z
-4ffe80bd79ce8743d44ea9340504ace5
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-OntModelP.php
-file
-
-
-
-
-2008-02-29T14:57:44.960099Z
-c3d6da8305a6cefb7508123ba7653aaf
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-OntProperty.php
-file
-
-
-
-
-2008-02-29T14:57:44.975719Z
-d8382a3da93dbe2c74459b04f81ba394
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-OntClass.php
-file
-
-
-
-
-2008-02-29T14:57:44.975719Z
-8d5625f702080b2f019076977af48091
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-RdfsVocabulary.php
-file
-
-
-
-
-2008-02-29T14:57:44.991340Z
-0ab4fcefc17f5191a6dd8eb3de8006f9
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-Individual.php
-file
-
-
-
-
-2008-02-29T14:57:45.006960Z
-bdc7c8bba4d51aaee0a8ad81f2880ba7
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-OntResource.php
-file
-
-
-
-
-2008-02-29T14:57:45.006960Z
-58899fb5c36b0212ab7e282b8398ef04
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-OntVocabulary.php
-file
-
-
-
-
-2008-02-29T14:57:45.022581Z
-08eeba057d70b745eb6bf206eb7b6ddb
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/Individual.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/Individual.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/Individual.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OWLVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OWLVocabulary.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OWLVocabulary.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntClass.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntClass.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntClass.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModel.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModel.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModelP.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntModelP.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntProperty.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntProperty.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntProperty.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntResource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntResource.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntResource.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntVocabulary.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/OntVocabulary.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/RdfsVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/RdfsVocabulary.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/prop-base/RdfsVocabulary.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/Individual.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/Individual.php.svn-base
deleted file mode 100755
index f12ee60e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/Individual.php.svn-base
+++ /dev/null
@@ -1,39 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-
-class Individual extends OntResource
-{
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function Individual($uri = null)
- {
- parent::OntResource($uri);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OWLVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OWLVocabulary.php.svn-base
deleted file mode 100755
index 6dd1c4c5..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OWLVocabulary.php.svn-base
+++ /dev/null
@@ -1,369 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OWLVocabulary extends OntVocabulary
-{
-
- /**
- * Answer the resource that represents the class 'class' in this vocabulary.
- *
- * @return object ResResource
- * @access public
- */
- function ONTCLASS()
- {
- return new ResResource(OWL_NS.'Class');
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function DOMAIN()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_DOMAIN);
- }
-
-
- /**
- * Answer the predicate that denotes comment annotation on an ontology element.
- *
- * @return object ResProperty
- * @access public
- */
- function COMMENT()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_COMMENT);
- }
-
- /**
- * Answer the predicate that denotes isDefinedBy annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function IS_DEFINED_BY()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_IS_DEFINED_BY);
- }
-
- /**
- * Answer the predicate that denotes label annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function LABEL()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_LABEL);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function RANGE()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_RANGE);
- }
-
- /**
- * Answer the predicate that denotes seeAlso annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function SEE_ALSO()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SEE_ALSO);
- }
-
- /**
- * Answer the predicate that denotes that one class is a sub-class of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_CLASS_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBCLASSOF);
- }
-
- /**
- * Answer the predicate that denotes that one property is a sub-property of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_PROPERTY_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF);
- }
-
-
-
- function ANNOTATION_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'AnnotationProperty');
- }
-
- function ALL_DIFFERENT()
- {
- return new ResProperty(OWL_NS . 'AllDifferent');
- }
-
- function ALL_VALUES_FROM()
- {
- return new ResProperty(OWL_NS . 'allValuesFrom');
- }
-
- function BACKWARD_COMPATIBLE_WITH()
- {
- return new ResProperty(OWL_NS . 'backwardCompatibleWith');
- }
-
- function CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'cardinality');
- }
-
- function COMPLEMENT_OF()
- {
- return new ResProperty(OWL_NS . 'complementOf');
- }
-
- function DATATYPE()
- {
- return new ResProperty(OWL_NS . 'Datatype');
- }
-
- function DATATYPE_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'DatatypeProperty');
- }
-
- function DATA_RANGE()
- {
- return new ResProperty(OWL_NS . 'DataRange');
- }
-
- function DATATYPE_RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'DatatypeRestriction');
- }
-
- function DEPRECATED_CLASS()
- {
- return new ResProperty(OWL_NS . 'DeprecatedClass');
- }
-
- function DEPRECATED_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'DeprecatedProperty');
- }
-
- function DISTINCT_MEMBERS()
- {
- return new ResProperty(OWL_NS . 'distinctMembers');
- }
-
- function DIFFERENT_FROM()
- {
- return new ResProperty(OWL_NS . 'differentFrom');
- }
-
- function DISJOINT_WITH()
- {
- return new ResProperty(OWL_NS . 'disjointWith');
- }
-
- function EQUIVALENT_CLASS()
- {
- return new ResProperty(OWL_NS . 'equivalentClass');
- }
-
- function EQUIVALENT_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'equivalentProperty');
- }
-
- function FUNCTIONAL_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'FunctionalProperty');
- }
-
- function HAS_VALUE()
- {
- return new ResProperty(OWL_NS . 'hasValue');
- }
-
- function INCOMPATIBLE_WITH()
- {
- return new ResProperty(OWL_NS . 'incompatibleWith');
- }
-
- function IMPORTS()
- {
- return new ResProperty(OWL_NS . 'imports');
- }
-
- function INTERSECTION_OF()
- {
- return new ResProperty(OWL_NS . 'intersectionOf');
- }
-
- function INVERSE_FUNCTIONAL_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'InverseFunctionalProperty');
- }
-
- function INVERSE_OF()
- {
- return new ResProperty(OWL_NS . 'inverseOf');
- }
-
- function MAX_CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'maxCardinality');
- }
-
- function MIN_CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'minCardinality');
- }
-
- function NOTHING()
- {
- return new ResProperty(OWL_NS . 'Nothing');
- }
-
- function OBJECT_CLASS()
- {
- return new ResProperty(OWL_NS . 'ObjectClass');
- }
-
- function OBJECT_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'ObjectProperty');
- }
-
- function OBJECT_RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'ObjectRestriction');
- }
-
- function ONE_OF()
- {
- return new ResProperty(OWL_NS . 'oneOf');
- }
-
- function ON_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'onProperty');
- }
-
- function ONTOLOGY()
- {
- return new ResProperty(OWL_NS . 'Ontology');
-
- }
-
- function PRIOR_VERSION()
- {
- return new ResProperty(OWL_NS . 'priorVersion');
- }
-
- function PROPERTY()
- {
- return new ResProperty(OWL_NS . 'Property');
- }
-
- function RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'Restriction');
- }
-
- function SAME_AS()
- {
- return new ResProperty(OWL_NS . 'sameAs');
- }
-
- function SAME_CLASS_AS()
- {
- return new ResProperty(OWL_NS . 'sameClassAs');
- }
-
- function SAME_INDIVIDUAL_AS()
- {
- return new ResProperty(OWL_NS . 'sameIndividualAs');
- }
-
- function SAME_PROPERTY_AS()
- {
- return new ResProperty(OWL_NS . 'samePropertyAs');
- }
-
- function SOME_VALUES_FROM()
- {
- return new ResProperty(OWL_NS . 'someValuesFrom');
- }
-
- function SYMMETRIC_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'SymmetricProperty');
- }
-
- function THING()
- {
- return new ResProperty(OWL_NS . 'Thing');
- }
-
- function TRANSITIVE_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'TransitiveProperty');
- }
-
- function UNION_OF()
- {
- return new ResProperty(OWL_NS . 'unionOf');
- }
-
- function VERSION_INFO()
- {
- return new ResProperty(OWL_NS . 'versionInfo');
- }
-
- function NAMESPACE()
- {
- return OWL_NS;
- }
-
- /**
- * Answer the predicate that denotes the rdf:type property.
- *
- * @return object ResProperty
- * @access public
- */
- function TYPE()
- {
- return new ResProperty(RDF_NAMESPACE_URI.RDF_TYPE);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntClass.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntClass.php.svn-base
deleted file mode 100755
index 2be5d196..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntClass.php.svn-base
+++ /dev/null
@@ -1,285 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntClass extends OntResource
-{
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function OntClass($uri = null)
- {
- parent::OntResource($uri);
- }
-
- /**
- * Add a sub-class of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSubClass($resResource)
- {
- return $resResource->addProperty($this->vocabulary->SUB_CLASS_OF(),$this);
- }
-
- /**
- * Add a super-class of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSuperClass($resResource)
- {
- return $this->addProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Answer a class that is the sub-class of this class.
- * If there is more than one such class, an arbitrary selection is made.
- *
- * @return object OntClass or NULL
- * @access public
- */
- function getSubClass()
- {
- $statement = $this->model->findFirstMatchingStatement(null,$this->vocabulary->SUB_CLASS_OF(),$this);
- if ($statement !== null)
- return $this->model->createOntClass($statement->getLabelSubject());
-
- return null;
- }
-
- /**
- * Answer a class that is the super-class of this class.
- * If there is more than one such class, an arbitrary selection is made.
- *
- * @return object OntClass or NULL
- * @access public
- */
- function getSuperClass()
- {
- return $this->getPropertyValue($this->vocabulary->SUB_CLASS_OF(),'OntClass');
- }
-
- /**
- * Answer true if the given class is a sub-class of this class.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param object ResResource $resResource
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSubclass($resResource, $direct = true)
- {
- if ($direct)
- return $resResource->hasProperty($this->vocabulary->SUB_CLASS_OF(),$this);
-
- $index=array();
- return ($this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index,$resResource) === true);
- }
-
- /**
- * Answer true if the given class is a super-class of this class.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param object ResResource $resResource
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSuperClass($resResource, $direct = true)
- {
- if ($direct)
- return $this->hasProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
-
- $index=array();
- return ($this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index,$resResource) === true);
- }
-
- /**
- * Answer an ResIterator over the individuals in the model that have this class
- * among their types.
- *
- * @return object ResIterator
- * @access public
- */
- function listInstances()
- {
- /*
- $statements= $this->model->find(null,$this->vocabulary->TYPE(),$this);
- $return = array();
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$statement->getSubject();
- }
- }
- return $return;
- */
- return new ResIterator(null,$this->vocabulary->TYPE(),$this,'s',$this->model,'Individual');
-
- }
-
- /**
- * Answer an array over the classes that are declared to be sub-classes of this class.
- * Each element of the array will be an OntClass.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param boolean $direct
- * @return array
- * @access public
- */
- function listSubClasses($direct = true)
- {
- $return = array();
- if ($direct)
- {
- $statements = $this->model->find(null,$this->vocabulary->SUB_CLASS_OF(),$this);
- } else
- {
- $index = array();
- $statements = $this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index);
- }
-
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$this->model->createOntClass($subjectLabel);
- }
- }
- return $return;
- }
-
- /**
- * Answer an array over the classes that are declared to be super-classes of this class.
- * Each element of the array will be an OntClass.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param boolean $direct
- * @return array
- * @access public
- */
- function listSuperClasses($direct = true)
- {
- $return = array();
- if ($direct)
- return $this->listProperty($this->vocabulary->SUB_CLASS_OF(),'OntClass');
-
- $index=array();
- $statements = $this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index);
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$this->model->createOntClass($objectLabel);
- }
- }
- return $return;
- }
-
- /**
- * Remove the given class from the sub-classes of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSubClass($resResource)
- {
- return $this->model->remove(new Statement($resResource,$this->vocabulary->SUB_CLASS_OF(),$this));
- }
-
- /**
- * Remove the given class from the super-classes of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSuperClass($resResource)
- {
- return $this->removeProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Assert that this class is super-class of the given class.
- * Any existing statements for subClassOf on prop will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSubClass($resResource)
- {
- foreach ($this->listSubClasses() as $oldRes)
- {
- $this->removeSubClass($oldRes);
- }
- $this->addSubClass($resResource);
- }
-
- /**
- * Assert that this class is sub-class of the given class.
- * Any existing statements for subClassOf on prop will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSuperClass($resResource)
- {
- $this->setPropertyValue($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Answer a resource that represents an instance of this OntClass and Individual
- * node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object Individual
- * @access public
- */
- function createInstance($uri = null)
- {
- $instance = $this->model->createIndividual($uri);
- $instance->setInstanceRdfType($this);
- return $instance;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModel.php.svn-base
deleted file mode 100755
index 8741d5fa..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModel.php.svn-base
+++ /dev/null
@@ -1,169 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntModel extends ResModel
-{
- /**
- * Holds a reference to the assoiated vocabulary.
- * @var object
- * @access private
- */
- var $vocabulary;
-
-
- /**
- * Constructor.
- * You have to supply a memmodel/dbmodel/infmodel to save the statements and a vocabulary
- *
- * @param object Model $model
- * @access public
- */
- function OntModel(& $model,& $vocabulary)
- {
- parent::ResModel($model);
- $this->vocabulary = & $vocabulary;
- }
-
- /**
- * Answer a resource that represents a class description node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object OntClass
- * @access public
- */
- function createOntClass($uri = null)
- {
- $class = new OntClass($uri);
- $class->setAssociatedModel($this);
- $class->setVocabulary($this->vocabulary);
- $class->setInstanceRdfType($this->vocabulary->ONTCLASS());
- return $class;
- }
-
- /**
- * Answer a resource that represents an Individual node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object Individual
- * @access public
- */
- function createIndividual($uri = null)
- {
- $individual = new Individual($uri);
- $individual->setAssociatedModel($this);
- $individual->setVocabulary($this->vocabulary);
- return $individual;
- }
-
- /**
- * Answer a resource that represents an OntProperty node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object OntProperty
- * @access public
- */
- function createOntProperty($uri = null)
- {
- $ontProperty = new OntProperty($uri);
- $ontProperty->setAssociatedModel($this);
- $ontProperty->setVocabulary($this->vocabulary);
- $ontProperty->setInstanceRdfType($this->createResource(RDF_NAMESPACE_URI.RDF_PROPERTY));
- return $ontProperty;
- }
-
- /**
- * Answer an array that ranges over all of the various forms of class
- * description resource in this model.
- * Class descriptions include domain/range definitions, named classes and subClass constructs.
- *
- * @return array of object ResResource
- * @access public
- */
- function listClasses()
- {
- //get all statements, with an rdf:type as property
- $statements= $this->find(null,$this->vocabulary->TYPE(),null);
- $return = array();
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- //if it's about a typed Individual
- if ($objectLabel!=RDF_SCHEMA_URI.RDFS_CLASS)
- {
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getObject();
- }
- } else
- //if it's a "class1 rdf:type rdf:class" construct
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$statement->getSubject();
- }
- }
- }
- //find all statements about SubClassConstructs
- $statements= $this->find(null,$this->vocabulary->SUB_CLASS_OF(),null);
- foreach ($statements as $statement)
- {
- //add the statements object to the result
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getObject();
- }
- }
- foreach ($statements as $statement)
- {
- //add the statements subject to the result
- $objectLabel=$statement->getLabelSubject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getSubject();
- }
- }
- return $return;
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModelP.php.svn-base
deleted file mode 100755
index 03883ac3..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntModelP.php.svn-base
+++ /dev/null
@@ -1,24 +0,0 @@
-
-* @package ontModel
-*
-* ----------------------------------------------------------------------------------
-*/
-// Include OntModel classes
-include_once( RDFAPI_INCLUDE_DIR . PACKAGE_RESMODEL);
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntVocabulary.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/RdfsVocabulary.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntResource.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntProperty.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntClass.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/Individual.php');
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntProperty.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntProperty.php.svn-base
deleted file mode 100755
index 38cf309f..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntProperty.php.svn-base
+++ /dev/null
@@ -1,390 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-
-class OntProperty extends OntResource
-{
- /**
- * Constructor.
- * You can supply a URI.
- *
- * @param string $uri
- * @access public
- */
- function OntProperty($uri = null)
- {
- parent::OntResource($uri);
- }
-
- /**
- * Add a resource representing the domain of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addDomain($resResource)
- {
- return $this->addProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Add a resource representing the range of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addRange($resResource)
- {
- return $this->addProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Add a sub-property of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function addSubProperty($resProperty)
- {
- return $resProperty->addProperty($this->vocabulary->SUB_PROPERTY_OF(),$this);
- }
-
- /**
- * Add a super-property of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function addSuperProperty($resProperty)
- {
- return $this->addProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-
- /**
- * Answer a OntClass that represents the domain class of this property.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object OntClass
- * @access public
- */
- function getDomain()
- {
- return $this->getPropertyValue($this->vocabulary->DOMAIN(),'OntClass');
- }
-
- /**
- * Answer a OntClass that represents the range class of this property.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object OntClass
- * @access public
- */
- function getRange()
- {
- return $this->getPropertyValue($this->vocabulary->RANGE(),'OntClass');
- }
-
- /**
- * Answer a property that is the sub-property of this property.
- * If there is more than one such property, an arbitrary selection is made.
- *
- * @return object OntProperty
- * @access public
- */
- function getSubProperty()
- {
- $statement = $this->model->findFirstMatchingStatement(null,$this->vocabulary->SUB_PROPERTY_OF(),$this);
- if ($statement !== null)
- return new OntProperty($statement->getLabelSubject());
-
- return null;
- }
-
- /**
- * Answer a property that is the super-property of this property.
- * If there is more than one such property, an arbitrary selection is made.
- *
- * @return object OntProperty
- * @access public
- */
- function getSuperProperty()
- {
- return $this->getPropertyValue($this->vocabulary->SUB_PROPERTY_OF(),'OntProperty');
- }
-
- /**
- * Answer true if the given resource a class specifying the domain of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasDomain($resResource)
- {
- return $this->hasProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Answer true if the given resource a class specifying the range of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasRange($resResource)
- {
- return $this->hasProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Answer true if the given property is a sub-property of this property.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param object ResResource $resProperty
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSubProperty($resProperty, $direct = true)
- {
- if ($direct)
- return $resProperty->hasProperty($this->vocabulary->SUB_PROPERTY_OF(),$this);
-
- $index=array();
- return ($this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index,$resProperty) === true);
- }
-
- /**
- * Answer true if the given property is a super-property of this property.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param object ResResource $resProperty
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSuperProperty($resProperty, $direct = true)
- {
- if ($direct)
- return $this->hasProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
-
- $index=array();
- return ($this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index,$resProperty) === true);
- }
-
- /**
- * Answer an array of all of the declared domain classes of this property.
- * Each element of the iterator will be an OntClass.
- *
- * @return array of OntClasses
- * @access public
- */
- function listDomain()
- {
- return $this->listProperty($this->vocabulary->DOMAIN(),'OntClass');
- }
-
- /**
- * Answer an array of all of the declared range classes of this property.
- * Each element of the iterator will be an OntClass.
- *
- * @return array of OntClasses
- * @access public
- */
- function listRange()
- {
- return $this->listProperty($this->vocabulary->RANGE(),'OntClass');
- }
-
- /**
- * Answer an array of all the properties that are declared to be
- * sub-properties of this property. Each element of the iterator will be an
- * OntProperty.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param boolean $direct
- * @return array of OntProperties
- * @access public
- */
- function listSubProperties($direct = true)
- {
- $return = array();
- if ($direct)
- {
- $statements = $this->model->find(null,$this->vocabulary->SUB_PROPERTY_OF(),$this);
- } else
- {
- $index = array();
- $statements = $this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index);
- }
-
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelSubject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=new OntProperty($statement->getLabelSubject());
- }
- }
- return $return;
- }
-
- /**
- * Answer an array of all the properties that are declared to be
- * super-properties of this property. Each element of the iterator will be an
- * OntProperty.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param boolean $direct
- * @return array of OntProperties
- * @access public
- */
- function listSuperProperties($direct = true)
- {
- $return = array();
- if ($direct)
- return $this->listProperty($this->vocabulary->SUB_PROPERTY_OF(),'OntProperty');
-
- $index=array();
- $statements = $this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index);
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=new OntProperty($statement->getLabelObject());
- }
- }
- return $return;
- }
-
- /**
- * Remove the given class from the stated domain(s) of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeDomain($resResource)
- {
- return $this->removeProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Remove the given class from the stated range(es) of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeRange($resResource)
- {
- return $this->removeProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Remove the given property from the sub-properties of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function removeSubProperty($resProperty)
- {
- return $this->model->remove(new Statement($resProperty,$this->vocabulary->SUB_PROPERTY_OF(),$this));
- }
-
- /**
- * Remove the given property from the super-properties of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function removeSuperProperty($resProperty)
- {
- return $this->removeProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-
- /**
- * Assert that the given resource represents the class of individuals
- * that form the domain of this property. Any existing domain statements
- * for this property are removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setDomain($resResource)
- {
- $this->setPropertyValue($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Assert that the given resource represents the class of individuals
- * that form the range of this property. Any existing range statements
- * for this property are removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setRange($resResource)
- {
- $this->setPropertyValue($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Assert that this property is super-property of the given property.
- * Any existing statements for superPropertyOf on prop will be removed.
- *
- * @param object ResProperty $resProperty
- * @access public
- */
- function setSubProperty($resProperty)
- {
- foreach ($this->listSubProperties() as $oldResProperty)
- {
- $this->removeSubProperty($oldResProperty);
- }
-
- $this->addSubProperty($resProperty);
- }
-
- /**
- * Assert that this property is sub-property of the given property.
- * Any existing statements for subPropertyOf on prop will be removed.
- *
- * @param object ResProperty $resProperty
- * @access public
- */
- function setSuperProperty($resProperty)
- {
- $this->setPropertyValue($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntResource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntResource.php.svn-base
deleted file mode 100755
index cc78df3e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntResource.php.svn-base
+++ /dev/null
@@ -1,739 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntResource extends ResResource
-{
- /**
- * Holds a reference to the assoiated vocabulary
- * @var object
- * @access private
- */
- var $vocabulary;
-
- /**
- * Holds a resResource of the type, which is this ontResource of.
- * If this value is set, the ontModel will add an additional
- * statement about this resource and the fiven rdf:type
- * @var object
- * @access private
- */
- var $rdfType;
-
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function OntResource($uri = null)
- {
- $this->rdfType=false;
- parent::ResResource($uri);
- }
-
- /**
- * Sets the reference to the assoiated vocabulary
- *
- * @param object OntVocabulary $vocabulary
- * @access public
- */
- function setVocabulary(& $vocabulary)
- {
- $this->vocabulary = & $vocabulary;
- }
-
- /**
- * Add the given comment to this resource.
- *
- * @param object ResLiteral $comment
- * @return boolean
- * @access public
- */
- function addComment($comment)
- {
- return $this->addProperty($this->vocabulary->COMMENT(),$comment);
- }
-
- /**
- * Answer the comment string for this object. If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object ResLiteral or NULL
- * @access public
- */
- function getComment()
- {
- return $this->getPropertyValue($this->vocabulary->COMMENT());
- }
-
- /**
- * Add a resource that is declared to provide a definition of this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addIsDefinedBy($resResource)
- {
- return $this->addProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Answer a resource that is declared to provide a definition of this resource.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object ResResource
- * @access public
- */
- function getIsDefinedBy()
- {
- return $this->getPropertyValue($this->vocabulary->IS_DEFINED_BY());
- }
-
- /**
- * Add the given Label to this resource
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function addLabelProperty($resLiteral)
- {
- return $this->addProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Answer the label ResLiteral for this object.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @param string $uri
- * @return object ResResource
- * @access public
- */
- function getLabelProperty()
- {
- return $this->getPropertyValue($this->vocabulary->LABEL());
- }
-
- /**
- * Add the given class as one of the rdf:type's for this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addRDFType($resResource)
- {
- return $this->addProperty($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Answer the rdf:type (ie the class) of this resource.
- * If there is more than one type for this resource, the return value will
- * be one of the values, but it is not specified which one
- * (nor that it will consistently be the same one each time).
- *
- * @return object ResResource
- * @access public
- */
- function getRDFType()
- {
- return $this->getPropertyValue($this->vocabulary->TYPE());
- }
-
- /**
- * Add a resource that is declared to provided additional
- * information about the definition of this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSeeAlso($resResource)
- {
- return $this->addProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Answer a resource that provides additional information about this resource.
- * If more than one such resource is defined, make an arbitrary choice.
- *
- * @return object ResResource
- * @access public
- */
- function getSeeAlso()
- {
- return $this->getPropertyValue($this->vocabulary->SEE_ALSO());
- }
-
- /**
- * Answer a view of this resource as a class
- *
- * @return object OntClass
- * @access public
- */
- function asClass()
- {
- return $this->model->createOntClass($this->uri);
- }
-
- /**
- * Answer a view of this resource as an Individual
- *
- * @return object Individual
- * @access public
- */
- function asIndividual()
- {
- return $this->model->createIndividual($this->uri);
- }
-
- /**
- * Answer a view of this resource as a property
- *
- * @return object OntProperty
- * @access public
- */
- function asOntProperty()
- {
- return $this->model->createOntProperty($this->uri);
- }
-
- /**
- * Answer a reference to the ontology language profile that governs the
- * ontology model to which this ontology resource is attached.
- *
- * @param string $uri
- * @return object OntClass
- * @access public
- */
- function getVocabulary()
- {
- return $this->vocabulary ;
- }
-
- /**
- * Answer the value of a given RDF property for this resource as $returnType, or null
- * if it doesn't have one. If there is more than one RDF statement with
- * the given property for the current value, it is not defined which of
- * the values will be returned.
- * The following return Types are supported: 'OntClass', 'OntProperty', 'Individual', and 'ResResource'
- * Default is 'ResResource'
- *
- * @param object ResResource $property
- * @param string $returnType
- * @return object OntClass
- * @access public
- */
- function getPropertyValue($property, $returnType = 'ResResource')
- {
- $statement=$this->getProperty($property);
- if ($statement===null)
- return null;
-
- switch ($returnType)
- {
- case 'OntClass':
- return $this->model->createOntClass($statement->getLabelObject());
- break;
-
- case 'OntProperty':
- return $this->model->createOntProperty($statement->getLabelObject());
- break;
-
- case 'Individual':
- return $this->model->createIndividual($statement->getLabelObject());
- break;
-
- default:
- return $statement->getObject();
- break;
- }
- }
-
- /**
- * Answer true if this resource has the given comment.
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function hasComment($resLiteral)
- {
- return $this->hasProperty($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Answer true if this resource has the given label.
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function hasLabelProperty($resLiteral)
- {
- return $this->hasProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Answer true if this resource has the given rdf:type.
- *
- * @param object ResResource $ontClass
- * @return boolean
- * @access public
- */
- function hasRDFType($ontClass)
- {
- return $this->hasProperty($this->vocabulary->TYPE(),$ontClass);
- }
-
- /**
- * Answer true if this resource has the given resource as a source
- * of additional information.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasSeeAlso($resResource)
- {
- return $this->hasProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Answer true if this resource is defined by the given resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function isDefinedBy($resResource)
- {
- return $this->hasProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Answer an array of all of the comment literals for this resource.
- *
- * @param string $language
- * @return array
- * @access public
- */
- function listComments($language)
- {
- $return=$this->listProperty($this->vocabulary->COMMENT());
- if ($language === false)
- return $return;
-
- foreach ($return as $key => $resLiteral)
- {
- if (!is_a($resLiteral,'ResLiteral') || $resLiteral->getLanguage() != $language)
- unset ($return[$key]);
- }
- return $return;
- }
-
- /**
- * Answer an array of all of the resources that are declared to define this resource.
- *
- * @return array
- * @access public
- */
- function listIsDefinedBy()
- {
- return $this->listProperty($this->vocabulary->IS_DEFINED_BY());
- }
-
- /**
- * Answer an array of all of the label literals for this resource, with the given
- * language, if $language is set.
- *
- * @return array
- * @access public
- */
- function listLabelProperties($language = false)
- {
- $return=$this->listProperty($this->vocabulary->LABEL());
- if ($language === false)
- return $return;
-
- foreach ($return as $key => $resLiteral)
- {
- if (!is_a($resLiteral,'ResLiteral') || $resLiteral->getLanguage() != $language)
- unset ($return[$key]);
- }
- return $return;
-
- }
-
- /**
- * Answer an array of the RDF classes to which this resource belongs.
- * If $direct is true, only answer those resources that are direct types of
- * this resource, not the super-classes of the class etc.
- *
- * @param boolean $direct
- * @return array Array of ResResources
- * @access public
- */
- function listRDFTypes($direct = true)
- {
- return $this->listProperty($this->vocabulary->TYPE());
- }
-
- /**
- * Answer an array of all of the resources that are declared to
- * provide addition information about this resource.
- *
- * @return array Array of ResResources
- * @access public
- */
- function listSeeAlso()
- {
- return $this->listProperty($this->vocabulary->SEE_ALSO());
- }
-
- /**
- * Answer an array of values of a given RDF property for this resource as $returnType, or null
- * if it doesn't have one.
- * The following return Types are supported: 'OntClass', 'OntProperty', 'Individual', and 'ResResource'
- * Default is 'ResResource'
- *
- * @param object ResResource $property
- * @param string $returnType
- * @return array of ResResources
- * @access public
- */
- function listProperty($property, $returnType = 'OntResource')
- {
- $return=array();
- $resArray = $this->listProperties($property);
- foreach ($resArray as $statement)
- {
- switch ($returnType)
- {
- case 'OntClass':
- $return[]=$this->model->createOntClass($statement->getLabelObject());
- break;
-
- case 'OntProperty':
- $return[]=$this->model->createOntProperty($statement->getLabelObject());
- break;
-
- case 'Individual':
- $return[]=$this->model->createIndividual($statement->getLabelObject());
- break;
-
- default:
- $return[]=$statement->getObject();
- break;
- }
- }
- return $return;
- }
-
- /**
- * Remove the statement that the given ResLiteral is a comment on this resource.
- * Returns true, if a statement was removed
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function removeComment($resLiteral)
- {
- return $this->removeProperty($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Remove the statement that this resource is defined by the given resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeDefinedBy($resResource)
- {
- return $this->removeProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Remove the statement that the given ResLiteral is a label on this resource.
- * Returns true, if a statement was removed
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function removeLabelProperty($resLiteral)
- {
- return $this->removeProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Remove the specific property-value pair from this resource.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return boolean
- * @access public
- */
- function removeProperty($property, $value)
- {
- return $this->model->remove(new Statement($this,$property,$value));
- }
-
- /**
- * Remove the statement that this resource is of the given RDF type.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeRDFType($resResource)
- {
- return $this->removeProperty($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Remove the statement indicating the given resource as a source of
- * additional information about this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSeeAlso($resResource)
- {
- return $this->removeProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Assert that the given string is the comment on this resource.
- * Any existing statements for comment will be removed.
- *
- * @param object ResLiteral $resLiteral
- * @access public
- */
- function setComment($resLiteral)
- {
- $this->setPropertyValue($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Assert that the given resource provides a source of definitions about this resource.
- * Any existing statements for isDefinedBy will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setIsDefinedBy($resResource)
- {
- $this->setPropertyValue($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Assert that the given string is the label on this resource.
- * Any existing statements for comment will be removed.
- *
- * @param object ResLiteral $resLiteral
- * @access public
- */
- function setLabelProperty($resLiteral)
- {
- $this->setPropertyValue($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Set the value of the given property of this ontology resource to the given value.
- * Maintains the invariant that there is at most one value of the property for a
- * given resource, so existing property values are first removed.
- * To add multiple properties, use addProperty.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @access public
- */
- function setPropertyValue($property, $value)
- {
- $this->removeAll($property);
- $this->addProperty($property,$value);
- }
-
- /**
- * Set the RDF type (ie the class) for this resource,
- * replacing any existing rdf:type property. Any existing statements
- * for the RDF type will first be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setRDFType($resResource)
- {
- $this->setPropertyValue($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Add a resource that is declared to provided additional information
- * about the definition of this resource
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSeeAlso($resResource)
- {
- $this->setPropertyValue($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Returns an array of ResResources that are recursively connected by $attribute
- * in superProperty direction.
- * If $onlyFindThisResResource is set to a ResResource, this function returns boolean
- * if this distinct resource recursively is connected to the $startResource.
- *
- * @param object ResResource $startResource
- * @param object ResResource $attribute
- * @param array $attribute
- * @param object ResResource $onlyFindThisResResource
- * @return array OR boolean
- * @access private
- */
- function _getSuperAttributeStatementsRec(& $startResource,& $attribute,& $attributeIndex, $onlyFindThisResResource = false)
- {
-
- $return = $startResource->listProperties($attribute);
-
- if ($onlyFindThisResResource)
- {
- foreach ($return as $statement)
- {
- if ($onlyFindThisResResource->equals($statement->getObject()))
- return true;
- }
- }
-
- foreach ($return as $statement)
- {
- $attributeLabel=$statement->getLabelObject();
- if (!in_array($attributeLabel,$attributeIndex))
- {
- $attributeIndex[]=$attributeLabel;
- $subReturn = $this->_getSuperAttributeStatementsRec($statement->getObject(), $attribute, $attributeIndex, $onlyFindThisResResource);
- }
- }
- if (isset($subReturn))
- {
- if ($subReturn === true)
- return true;
- return array_merge($return,$subReturn);
- }
-
- return $return;
- }
-
- /**
- * Returns an array of ResResources that are recursively connected by $attribute
- * in subProperty direction.
- * If $onlyFindThisResResource is set to a ResResource, this function returns boolean
- * if this distinct resource recursively is connected to the $startResource.
- *
- * @param object ResResource $startResource
- * @param object ResResource $attribute
- * @param array $attribute
- * @param object ResResource $onlyFindThisResResource
- * @return array OR boolean
- * @access private
- */
- function _getSubAttributeStatementsRec(& $startResource,& $attribute,& $attributeIndex, $onlyFindThisResResource = false)
- {
-
- $return = $this->model->find(null,$attribute,$startResource);
-
- if ($onlyFindThisResResource)
- {
- foreach ($return as $statement)
- {
- if ($onlyFindThisResResource->equals($statement->getSubject()))
- return true;
- }
- }
-
- foreach ($return as $statement)
- {
- $attributeLabel=$statement->getLabelSubject();
- if (!in_array($attributeLabel,$attributeIndex))
- {
- $attributeIndex[]=$attributeLabel;
- $subReturn = $this->_getSubAttributeStatementsRec($statement->getSubject(), $attribute, $attributeIndex, $onlyFindThisResResource);
- }
- }
- if (isset($subReturn))
- {
- if ($subReturn === true)
- return true;
- return array_merge($return,$subReturn);
- }
-
- return $return;
- }
-
- /**
- * Add a property to this resource.
- * A statement with this resource as the subject, p as the predicate and o
- * as the object is added to the model associated with this resource.
- * If $this->rdfType is set, an additional statement about it's type
- * is added.
- *
- * @param ResResource $property
- * @param ResResource/ResLiteral $object
- * @return object ResResource
- * @access public
- */
- function addProperty($property,$object)
- {
- if ($this->rdfType !== false)
- if (!$this->hasRDFType($this->rdfType))
- $this->model->add(new Statement($this,$this->vocabulary->TYPE(),$this->rdfType));
-
- return parent:: addProperty($property,$object);
- }
-
- /**
- * Sets the rdf:type, that this distinct resource is instance of.
- * If this value is set, the ontModel will add an additional
- * statement about this resource and the fiven rdf:type
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setInstanceRdfType($resResource)
- {
- $this->rdfType = $resResource;
- }
-
- /**
- * returns the rdf:type, that this distinct resource is instance of.
- *
- * @return object ResResource $resResource
- * @access public
- */
- function getInstanceRdfType()
- {
- return $this->rdfType;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntVocabulary.php.svn-base
deleted file mode 100755
index f6d29a08..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/OntVocabulary.php.svn-base
+++ /dev/null
@@ -1,25 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntVocabulary
-{
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/RdfsVocabulary.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/RdfsVocabulary.php.svn-base
deleted file mode 100755
index 310af9bc..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/.svn/text-base/RdfsVocabulary.php.svn-base
+++ /dev/null
@@ -1,143 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class RdfsVocabulary extends OntVocabulary
-{
-
- /**
- * Answer the resource that represents the class 'class' in this vocabulary.
- *
- * @return object ResResource
- * @access public
- */
- function ONTCLASS()
- {
- return new ResResource(RDF_SCHEMA_URI.RDFS_CLASS);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function DOMAIN()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_DOMAIN);
- }
-
-
- /**
- * Answer the predicate that denotes comment annotation on an ontology element.
- *
- * @return object ResProperty
- * @access public
- */
- function COMMENT()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_COMMENT);
- }
-
- /**
- * Answer the predicate that denotes isDefinedBy annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function IS_DEFINED_BY()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_IS_DEFINED_BY);
- }
-
- /**
- * Answer the predicate that denotes label annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function LABEL()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_LABEL);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function RANGE()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_RANGE);
- }
-
- /**
- * Answer the predicate that denotes seeAlso annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function SEE_ALSO()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SEE_ALSO);
- }
-
- /**
- * Answer the predicate that denotes that one class is a sub-class of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_CLASS_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBCLASSOF);
- }
-
- /**
- * Answer the predicate that denotes that one property is a sub-property of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_PROPERTY_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF);
- }
-
- /**
- * Answer the string that is the namespace prefix for this vocabulary
- *
- * @return string
- * @access public
- */
- function NAMESPACE()
- {
- return RDF_SCHEMA_URI;
- }
-
- /**
- * Answer the predicate that denotes the rdf:type property.
- *
- * @return object ResProperty
- * @access public
- */
- function TYPE()
- {
- return new ResProperty(RDF_NAMESPACE_URI.RDF_TYPE);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/Individual.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/Individual.php
deleted file mode 100755
index 6e5354a5..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/Individual.php
+++ /dev/null
@@ -1,39 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-
-class Individual extends OntResource
-{
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function Individual($uri = null)
- {
- parent::OntResource($uri);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OWLVocabulary.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OWLVocabulary.php
deleted file mode 100755
index 8a398864..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OWLVocabulary.php
+++ /dev/null
@@ -1,369 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OWLVocabulary extends OntVocabulary
-{
-
- /**
- * Answer the resource that represents the class 'class' in this vocabulary.
- *
- * @return object ResResource
- * @access public
- */
- function ONTCLASS()
- {
- return new ResResource(OWL_NS.'Class');
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function DOMAIN()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_DOMAIN);
- }
-
-
- /**
- * Answer the predicate that denotes comment annotation on an ontology element.
- *
- * @return object ResProperty
- * @access public
- */
- function COMMENT()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_COMMENT);
- }
-
- /**
- * Answer the predicate that denotes isDefinedBy annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function IS_DEFINED_BY()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_IS_DEFINED_BY);
- }
-
- /**
- * Answer the predicate that denotes label annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function LABEL()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_LABEL);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function RANGE()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_RANGE);
- }
-
- /**
- * Answer the predicate that denotes seeAlso annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function SEE_ALSO()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SEE_ALSO);
- }
-
- /**
- * Answer the predicate that denotes that one class is a sub-class of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_CLASS_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBCLASSOF);
- }
-
- /**
- * Answer the predicate that denotes that one property is a sub-property of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_PROPERTY_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF);
- }
-
-
-
- function ANNOTATION_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'AnnotationProperty');
- }
-
- function ALL_DIFFERENT()
- {
- return new ResProperty(OWL_NS . 'AllDifferent');
- }
-
- function ALL_VALUES_FROM()
- {
- return new ResProperty(OWL_NS . 'allValuesFrom');
- }
-
- function BACKWARD_COMPATIBLE_WITH()
- {
- return new ResProperty(OWL_NS . 'backwardCompatibleWith');
- }
-
- function CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'cardinality');
- }
-
- function COMPLEMENT_OF()
- {
- return new ResProperty(OWL_NS . 'complementOf');
- }
-
- function DATATYPE()
- {
- return new ResProperty(OWL_NS . 'Datatype');
- }
-
- function DATATYPE_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'DatatypeProperty');
- }
-
- function DATA_RANGE()
- {
- return new ResProperty(OWL_NS . 'DataRange');
- }
-
- function DATATYPE_RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'DatatypeRestriction');
- }
-
- function DEPRECATED_CLASS()
- {
- return new ResProperty(OWL_NS . 'DeprecatedClass');
- }
-
- function DEPRECATED_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'DeprecatedProperty');
- }
-
- function DISTINCT_MEMBERS()
- {
- return new ResProperty(OWL_NS . 'distinctMembers');
- }
-
- function DIFFERENT_FROM()
- {
- return new ResProperty(OWL_NS . 'differentFrom');
- }
-
- function DISJOINT_WITH()
- {
- return new ResProperty(OWL_NS . 'disjointWith');
- }
-
- function EQUIVALENT_CLASS()
- {
- return new ResProperty(OWL_NS . 'equivalentClass');
- }
-
- function EQUIVALENT_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'equivalentProperty');
- }
-
- function FUNCTIONAL_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'FunctionalProperty');
- }
-
- function HAS_VALUE()
- {
- return new ResProperty(OWL_NS . 'hasValue');
- }
-
- function INCOMPATIBLE_WITH()
- {
- return new ResProperty(OWL_NS . 'incompatibleWith');
- }
-
- function IMPORTS()
- {
- return new ResProperty(OWL_NS . 'imports');
- }
-
- function INTERSECTION_OF()
- {
- return new ResProperty(OWL_NS . 'intersectionOf');
- }
-
- function INVERSE_FUNCTIONAL_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'InverseFunctionalProperty');
- }
-
- function INVERSE_OF()
- {
- return new ResProperty(OWL_NS . 'inverseOf');
- }
-
- function MAX_CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'maxCardinality');
- }
-
- function MIN_CARDINALITY()
- {
- return new ResProperty(OWL_NS . 'minCardinality');
- }
-
- function NOTHING()
- {
- return new ResProperty(OWL_NS . 'Nothing');
- }
-
- function OBJECT_CLASS()
- {
- return new ResProperty(OWL_NS . 'ObjectClass');
- }
-
- function OBJECT_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'ObjectProperty');
- }
-
- function OBJECT_RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'ObjectRestriction');
- }
-
- function ONE_OF()
- {
- return new ResProperty(OWL_NS . 'oneOf');
- }
-
- function ON_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'onProperty');
- }
-
- function ONTOLOGY()
- {
- return new ResProperty(OWL_NS . 'Ontology');
-
- }
-
- function PRIOR_VERSION()
- {
- return new ResProperty(OWL_NS . 'priorVersion');
- }
-
- function PROPERTY()
- {
- return new ResProperty(OWL_NS . 'Property');
- }
-
- function RESTRICTION()
- {
- return new ResProperty(OWL_NS . 'Restriction');
- }
-
- function SAME_AS()
- {
- return new ResProperty(OWL_NS . 'sameAs');
- }
-
- function SAME_CLASS_AS()
- {
- return new ResProperty(OWL_NS . 'sameClassAs');
- }
-
- function SAME_INDIVIDUAL_AS()
- {
- return new ResProperty(OWL_NS . 'sameIndividualAs');
- }
-
- function SAME_PROPERTY_AS()
- {
- return new ResProperty(OWL_NS . 'samePropertyAs');
- }
-
- function SOME_VALUES_FROM()
- {
- return new ResProperty(OWL_NS . 'someValuesFrom');
- }
-
- function SYMMETRIC_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'SymmetricProperty');
- }
-
- function THING()
- {
- return new ResProperty(OWL_NS . 'Thing');
- }
-
- function TRANSITIVE_PROPERTY()
- {
- return new ResProperty(OWL_NS . 'TransitiveProperty');
- }
-
- function UNION_OF()
- {
- return new ResProperty(OWL_NS . 'unionOf');
- }
-
- function VERSION_INFO()
- {
- return new ResProperty(OWL_NS . 'versionInfo');
- }
-
- function NAMESPACE()
- {
- return OWL_NS;
- }
-
- /**
- * Answer the predicate that denotes the rdf:type property.
- *
- * @return object ResProperty
- * @access public
- */
- function TYPE()
- {
- return new ResProperty(RDF_NAMESPACE_URI.RDF_TYPE);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntClass.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntClass.php
deleted file mode 100755
index 02ec1121..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntClass.php
+++ /dev/null
@@ -1,285 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntClass extends OntResource
-{
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function OntClass($uri = null)
- {
- parent::OntResource($uri);
- }
-
- /**
- * Add a sub-class of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSubClass($resResource)
- {
- return $resResource->addProperty($this->vocabulary->SUB_CLASS_OF(),$this);
- }
-
- /**
- * Add a super-class of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSuperClass($resResource)
- {
- return $this->addProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Answer a class that is the sub-class of this class.
- * If there is more than one such class, an arbitrary selection is made.
- *
- * @return object OntClass or NULL
- * @access public
- */
- function getSubClass()
- {
- $statement = $this->model->findFirstMatchingStatement(null,$this->vocabulary->SUB_CLASS_OF(),$this);
- if ($statement !== null)
- return $this->model->createOntClass($statement->getLabelSubject());
-
- return null;
- }
-
- /**
- * Answer a class that is the super-class of this class.
- * If there is more than one such class, an arbitrary selection is made.
- *
- * @return object OntClass or NULL
- * @access public
- */
- function getSuperClass()
- {
- return $this->getPropertyValue($this->vocabulary->SUB_CLASS_OF(),'OntClass');
- }
-
- /**
- * Answer true if the given class is a sub-class of this class.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param object ResResource $resResource
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSubclass($resResource, $direct = true)
- {
- if ($direct)
- return $resResource->hasProperty($this->vocabulary->SUB_CLASS_OF(),$this);
-
- $index=array();
- return ($this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index,$resResource) === true);
- }
-
- /**
- * Answer true if the given class is a super-class of this class.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param object ResResource $resResource
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSuperClass($resResource, $direct = true)
- {
- if ($direct)
- return $this->hasProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
-
- $index=array();
- return ($this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index,$resResource) === true);
- }
-
- /**
- * Answer an ResIterator over the individuals in the model that have this class
- * among their types.
- *
- * @return object ResIterator
- * @access public
- */
- function listInstances()
- {
- /*
- $statements= $this->model->find(null,$this->vocabulary->TYPE(),$this);
- $return = array();
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$statement->getSubject();
- }
- }
- return $return;
- */
- return new ResIterator(null,$this->vocabulary->TYPE(),$this,'s',$this->model,'Individual');
-
- }
-
- /**
- * Answer an array over the classes that are declared to be sub-classes of this class.
- * Each element of the array will be an OntClass.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param boolean $direct
- * @return array
- * @access public
- */
- function listSubClasses($direct = true)
- {
- $return = array();
- if ($direct)
- {
- $statements = $this->model->find(null,$this->vocabulary->SUB_CLASS_OF(),$this);
- } else
- {
- $index = array();
- $statements = $this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index);
- }
-
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$this->model->createOntClass($subjectLabel);
- }
- }
- return $return;
- }
-
- /**
- * Answer an array over the classes that are declared to be super-classes of this class.
- * Each element of the array will be an OntClass.
- * $direct - If true, only search the classes that are directly
- * adjacent to this class in the class hierarchy.
- *
- * @param boolean $direct
- * @return array
- * @access public
- */
- function listSuperClasses($direct = true)
- {
- $return = array();
- if ($direct)
- return $this->listProperty($this->vocabulary->SUB_CLASS_OF(),'OntClass');
-
- $index=array();
- $statements = $this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_CLASS_OF(),$index);
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$this->model->createOntClass($objectLabel);
- }
- }
- return $return;
- }
-
- /**
- * Remove the given class from the sub-classes of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSubClass($resResource)
- {
- return $this->model->remove(new Statement($resResource,$this->vocabulary->SUB_CLASS_OF(),$this));
- }
-
- /**
- * Remove the given class from the super-classes of this class.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSuperClass($resResource)
- {
- return $this->removeProperty($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Assert that this class is super-class of the given class.
- * Any existing statements for subClassOf on prop will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSubClass($resResource)
- {
- foreach ($this->listSubClasses() as $oldRes)
- {
- $this->removeSubClass($oldRes);
- }
- $this->addSubClass($resResource);
- }
-
- /**
- * Assert that this class is sub-class of the given class.
- * Any existing statements for subClassOf on prop will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSuperClass($resResource)
- {
- $this->setPropertyValue($this->vocabulary->SUB_CLASS_OF(),$resResource);
- }
-
- /**
- * Answer a resource that represents an instance of this OntClass and Individual
- * node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object Individual
- * @access public
- */
- function createInstance($uri = null)
- {
- $instance = $this->model->createIndividual($uri);
- $instance->setInstanceRdfType($this);
- return $instance;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModel.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModel.php
deleted file mode 100755
index 8c1db9c6..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModel.php
+++ /dev/null
@@ -1,169 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntModel extends ResModel
-{
- /**
- * Holds a reference to the assoiated vocabulary.
- * @var object
- * @access private
- */
- var $vocabulary;
-
-
- /**
- * Constructor.
- * You have to supply a memmodel/dbmodel/infmodel to save the statements and a vocabulary
- *
- * @param object Model $model
- * @access public
- */
- function OntModel(& $model,& $vocabulary)
- {
- parent::ResModel($model);
- $this->vocabulary = & $vocabulary;
- }
-
- /**
- * Answer a resource that represents a class description node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object OntClass
- * @access public
- */
- function createOntClass($uri = null)
- {
- $class = new OntClass($uri);
- $class->setAssociatedModel($this);
- $class->setVocabulary($this->vocabulary);
- $class->setInstanceRdfType($this->vocabulary->ONTCLASS());
- return $class;
- }
-
- /**
- * Answer a resource that represents an Individual node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object Individual
- * @access public
- */
- function createIndividual($uri = null)
- {
- $individual = new Individual($uri);
- $individual->setAssociatedModel($this);
- $individual->setVocabulary($this->vocabulary);
- return $individual;
- }
-
- /**
- * Answer a resource that represents an OntProperty node in this model.
- * If a resource with the given uri exists in the model, it will be re-used.
- * If not, a new one is created in the updateable sub-model of the ontology model.
- *
- * @param string $uri
- * @return object OntProperty
- * @access public
- */
- function createOntProperty($uri = null)
- {
- $ontProperty = new OntProperty($uri);
- $ontProperty->setAssociatedModel($this);
- $ontProperty->setVocabulary($this->vocabulary);
- $ontProperty->setInstanceRdfType($this->createResource(RDF_NAMESPACE_URI.RDF_PROPERTY));
- return $ontProperty;
- }
-
- /**
- * Answer an array that ranges over all of the various forms of class
- * description resource in this model.
- * Class descriptions include domain/range definitions, named classes and subClass constructs.
- *
- * @return array of object ResResource
- * @access public
- */
- function listClasses()
- {
- //get all statements, with an rdf:type as property
- $statements= $this->find(null,$this->vocabulary->TYPE(),null);
- $return = array();
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- //if it's about a typed Individual
- if ($objectLabel!=RDF_SCHEMA_URI.RDFS_CLASS)
- {
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getObject();
- }
- } else
- //if it's a "class1 rdf:type rdf:class" construct
- {
- $subjectLabel=$statement->getLabelSubject();
- if (!in_array($subjectLabel,$returnIndex))
- {
- $returnIndex[]=$subjectLabel;
- $return[]=$statement->getSubject();
- }
- }
- }
- //find all statements about SubClassConstructs
- $statements= $this->find(null,$this->vocabulary->SUB_CLASS_OF(),null);
- foreach ($statements as $statement)
- {
- //add the statements object to the result
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getObject();
- }
- }
- foreach ($statements as $statement)
- {
- //add the statements subject to the result
- $objectLabel=$statement->getLabelSubject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=$statement->getSubject();
- }
- }
- return $return;
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModelP.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModelP.php
deleted file mode 100755
index 8a7a11d9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntModelP.php
+++ /dev/null
@@ -1,24 +0,0 @@
-
-* @package ontModel
-*
-* ----------------------------------------------------------------------------------
-*/
-// Include OntModel classes
-include_once( RDFAPI_INCLUDE_DIR . PACKAGE_RESMODEL);
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntVocabulary.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/RdfsVocabulary.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntResource.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntProperty.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/OntClass.php');
-require_once( RDFAPI_INCLUDE_DIR . 'ontModel/Individual.php');
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntProperty.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntProperty.php
deleted file mode 100755
index 787a91e8..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntProperty.php
+++ /dev/null
@@ -1,390 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-
-class OntProperty extends OntResource
-{
- /**
- * Constructor.
- * You can supply a URI.
- *
- * @param string $uri
- * @access public
- */
- function OntProperty($uri = null)
- {
- parent::OntResource($uri);
- }
-
- /**
- * Add a resource representing the domain of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addDomain($resResource)
- {
- return $this->addProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Add a resource representing the range of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addRange($resResource)
- {
- return $this->addProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Add a sub-property of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function addSubProperty($resProperty)
- {
- return $resProperty->addProperty($this->vocabulary->SUB_PROPERTY_OF(),$this);
- }
-
- /**
- * Add a super-property of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function addSuperProperty($resProperty)
- {
- return $this->addProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-
- /**
- * Answer a OntClass that represents the domain class of this property.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object OntClass
- * @access public
- */
- function getDomain()
- {
- return $this->getPropertyValue($this->vocabulary->DOMAIN(),'OntClass');
- }
-
- /**
- * Answer a OntClass that represents the range class of this property.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object OntClass
- * @access public
- */
- function getRange()
- {
- return $this->getPropertyValue($this->vocabulary->RANGE(),'OntClass');
- }
-
- /**
- * Answer a property that is the sub-property of this property.
- * If there is more than one such property, an arbitrary selection is made.
- *
- * @return object OntProperty
- * @access public
- */
- function getSubProperty()
- {
- $statement = $this->model->findFirstMatchingStatement(null,$this->vocabulary->SUB_PROPERTY_OF(),$this);
- if ($statement !== null)
- return new OntProperty($statement->getLabelSubject());
-
- return null;
- }
-
- /**
- * Answer a property that is the super-property of this property.
- * If there is more than one such property, an arbitrary selection is made.
- *
- * @return object OntProperty
- * @access public
- */
- function getSuperProperty()
- {
- return $this->getPropertyValue($this->vocabulary->SUB_PROPERTY_OF(),'OntProperty');
- }
-
- /**
- * Answer true if the given resource a class specifying the domain of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasDomain($resResource)
- {
- return $this->hasProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Answer true if the given resource a class specifying the range of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasRange($resResource)
- {
- return $this->hasProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Answer true if the given property is a sub-property of this property.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param object ResResource $resProperty
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSubProperty($resProperty, $direct = true)
- {
- if ($direct)
- return $resProperty->hasProperty($this->vocabulary->SUB_PROPERTY_OF(),$this);
-
- $index=array();
- return ($this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index,$resProperty) === true);
- }
-
- /**
- * Answer true if the given property is a super-property of this property.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param object ResResource $resProperty
- * @param boolean $direct
- * @return boolean
- * @access public
- */
- function hasSuperProperty($resProperty, $direct = true)
- {
- if ($direct)
- return $this->hasProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
-
- $index=array();
- return ($this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index,$resProperty) === true);
- }
-
- /**
- * Answer an array of all of the declared domain classes of this property.
- * Each element of the iterator will be an OntClass.
- *
- * @return array of OntClasses
- * @access public
- */
- function listDomain()
- {
- return $this->listProperty($this->vocabulary->DOMAIN(),'OntClass');
- }
-
- /**
- * Answer an array of all of the declared range classes of this property.
- * Each element of the iterator will be an OntClass.
- *
- * @return array of OntClasses
- * @access public
- */
- function listRange()
- {
- return $this->listProperty($this->vocabulary->RANGE(),'OntClass');
- }
-
- /**
- * Answer an array of all the properties that are declared to be
- * sub-properties of this property. Each element of the iterator will be an
- * OntProperty.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param boolean $direct
- * @return array of OntProperties
- * @access public
- */
- function listSubProperties($direct = true)
- {
- $return = array();
- if ($direct)
- {
- $statements = $this->model->find(null,$this->vocabulary->SUB_PROPERTY_OF(),$this);
- } else
- {
- $index = array();
- $statements = $this->_getSubAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index);
- }
-
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelSubject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=new OntProperty($statement->getLabelSubject());
- }
- }
- return $return;
- }
-
- /**
- * Answer an array of all the properties that are declared to be
- * super-properties of this property. Each element of the iterator will be an
- * OntProperty.
- * If $direct is set to true, only consider the direcly adjacent
- * properties in the property hierarchy
- *
- * @param boolean $direct
- * @return array of OntProperties
- * @access public
- */
- function listSuperProperties($direct = true)
- {
- $return = array();
- if ($direct)
- return $this->listProperty($this->vocabulary->SUB_PROPERTY_OF(),'OntProperty');
-
- $index=array();
- $statements = $this->_getSuperAttributeStatementsRec($this,$this->vocabulary->SUB_PROPERTY_OF(),$index);
- $returnIndex=array();
- foreach ($statements as $statement)
- {
- $objectLabel=$statement->getLabelObject();
- if (!in_array($objectLabel,$returnIndex))
- {
- $returnIndex[]=$objectLabel;
- $return[]=new OntProperty($statement->getLabelObject());
- }
- }
- return $return;
- }
-
- /**
- * Remove the given class from the stated domain(s) of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeDomain($resResource)
- {
- return $this->removeProperty($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Remove the given class from the stated range(es) of this property.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeRange($resResource)
- {
- return $this->removeProperty($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Remove the given property from the sub-properties of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function removeSubProperty($resProperty)
- {
- return $this->model->remove(new Statement($resProperty,$this->vocabulary->SUB_PROPERTY_OF(),$this));
- }
-
- /**
- * Remove the given property from the super-properties of this property.
- *
- * @param object ResProperty $resProperty
- * @return boolean
- * @access public
- */
- function removeSuperProperty($resProperty)
- {
- return $this->removeProperty($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-
- /**
- * Assert that the given resource represents the class of individuals
- * that form the domain of this property. Any existing domain statements
- * for this property are removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setDomain($resResource)
- {
- $this->setPropertyValue($this->vocabulary->DOMAIN(),$resResource);
- }
-
- /**
- * Assert that the given resource represents the class of individuals
- * that form the range of this property. Any existing range statements
- * for this property are removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setRange($resResource)
- {
- $this->setPropertyValue($this->vocabulary->RANGE(),$resResource);
- }
-
- /**
- * Assert that this property is super-property of the given property.
- * Any existing statements for superPropertyOf on prop will be removed.
- *
- * @param object ResProperty $resProperty
- * @access public
- */
- function setSubProperty($resProperty)
- {
- foreach ($this->listSubProperties() as $oldResProperty)
- {
- $this->removeSubProperty($oldResProperty);
- }
-
- $this->addSubProperty($resProperty);
- }
-
- /**
- * Assert that this property is sub-property of the given property.
- * Any existing statements for subPropertyOf on prop will be removed.
- *
- * @param object ResProperty $resProperty
- * @access public
- */
- function setSuperProperty($resProperty)
- {
- $this->setPropertyValue($this->vocabulary->SUB_PROPERTY_OF(),$resProperty);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntResource.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntResource.php
deleted file mode 100755
index c4ee58fd..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntResource.php
+++ /dev/null
@@ -1,739 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntResource extends ResResource
-{
- /**
- * Holds a reference to the assoiated vocabulary
- * @var object
- * @access private
- */
- var $vocabulary;
-
- /**
- * Holds a resResource of the type, which is this ontResource of.
- * If this value is set, the ontModel will add an additional
- * statement about this resource and the fiven rdf:type
- * @var object
- * @access private
- */
- var $rdfType;
-
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function OntResource($uri = null)
- {
- $this->rdfType=false;
- parent::ResResource($uri);
- }
-
- /**
- * Sets the reference to the assoiated vocabulary
- *
- * @param object OntVocabulary $vocabulary
- * @access public
- */
- function setVocabulary(& $vocabulary)
- {
- $this->vocabulary = & $vocabulary;
- }
-
- /**
- * Add the given comment to this resource.
- *
- * @param object ResLiteral $comment
- * @return boolean
- * @access public
- */
- function addComment($comment)
- {
- return $this->addProperty($this->vocabulary->COMMENT(),$comment);
- }
-
- /**
- * Answer the comment string for this object. If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object ResLiteral or NULL
- * @access public
- */
- function getComment()
- {
- return $this->getPropertyValue($this->vocabulary->COMMENT());
- }
-
- /**
- * Add a resource that is declared to provide a definition of this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addIsDefinedBy($resResource)
- {
- return $this->addProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Answer a resource that is declared to provide a definition of this resource.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @return object ResResource
- * @access public
- */
- function getIsDefinedBy()
- {
- return $this->getPropertyValue($this->vocabulary->IS_DEFINED_BY());
- }
-
- /**
- * Add the given Label to this resource
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function addLabelProperty($resLiteral)
- {
- return $this->addProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Answer the label ResLiteral for this object.
- * If there is more than one such resource, an arbitrary selection is made.
- *
- * @param string $uri
- * @return object ResResource
- * @access public
- */
- function getLabelProperty()
- {
- return $this->getPropertyValue($this->vocabulary->LABEL());
- }
-
- /**
- * Add the given class as one of the rdf:type's for this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addRDFType($resResource)
- {
- return $this->addProperty($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Answer the rdf:type (ie the class) of this resource.
- * If there is more than one type for this resource, the return value will
- * be one of the values, but it is not specified which one
- * (nor that it will consistently be the same one each time).
- *
- * @return object ResResource
- * @access public
- */
- function getRDFType()
- {
- return $this->getPropertyValue($this->vocabulary->TYPE());
- }
-
- /**
- * Add a resource that is declared to provided additional
- * information about the definition of this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function addSeeAlso($resResource)
- {
- return $this->addProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Answer a resource that provides additional information about this resource.
- * If more than one such resource is defined, make an arbitrary choice.
- *
- * @return object ResResource
- * @access public
- */
- function getSeeAlso()
- {
- return $this->getPropertyValue($this->vocabulary->SEE_ALSO());
- }
-
- /**
- * Answer a view of this resource as a class
- *
- * @return object OntClass
- * @access public
- */
- function asClass()
- {
- return $this->model->createOntClass($this->uri);
- }
-
- /**
- * Answer a view of this resource as an Individual
- *
- * @return object Individual
- * @access public
- */
- function asIndividual()
- {
- return $this->model->createIndividual($this->uri);
- }
-
- /**
- * Answer a view of this resource as a property
- *
- * @return object OntProperty
- * @access public
- */
- function asOntProperty()
- {
- return $this->model->createOntProperty($this->uri);
- }
-
- /**
- * Answer a reference to the ontology language profile that governs the
- * ontology model to which this ontology resource is attached.
- *
- * @param string $uri
- * @return object OntClass
- * @access public
- */
- function getVocabulary()
- {
- return $this->vocabulary ;
- }
-
- /**
- * Answer the value of a given RDF property for this resource as $returnType, or null
- * if it doesn't have one. If there is more than one RDF statement with
- * the given property for the current value, it is not defined which of
- * the values will be returned.
- * The following return Types are supported: 'OntClass', 'OntProperty', 'Individual', and 'ResResource'
- * Default is 'ResResource'
- *
- * @param object ResResource $property
- * @param string $returnType
- * @return object OntClass
- * @access public
- */
- function getPropertyValue($property, $returnType = 'ResResource')
- {
- $statement=$this->getProperty($property);
- if ($statement===null)
- return null;
-
- switch ($returnType)
- {
- case 'OntClass':
- return $this->model->createOntClass($statement->getLabelObject());
- break;
-
- case 'OntProperty':
- return $this->model->createOntProperty($statement->getLabelObject());
- break;
-
- case 'Individual':
- return $this->model->createIndividual($statement->getLabelObject());
- break;
-
- default:
- return $statement->getObject();
- break;
- }
- }
-
- /**
- * Answer true if this resource has the given comment.
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function hasComment($resLiteral)
- {
- return $this->hasProperty($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Answer true if this resource has the given label.
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function hasLabelProperty($resLiteral)
- {
- return $this->hasProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Answer true if this resource has the given rdf:type.
- *
- * @param object ResResource $ontClass
- * @return boolean
- * @access public
- */
- function hasRDFType($ontClass)
- {
- return $this->hasProperty($this->vocabulary->TYPE(),$ontClass);
- }
-
- /**
- * Answer true if this resource has the given resource as a source
- * of additional information.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function hasSeeAlso($resResource)
- {
- return $this->hasProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Answer true if this resource is defined by the given resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function isDefinedBy($resResource)
- {
- return $this->hasProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Answer an array of all of the comment literals for this resource.
- *
- * @param string $language
- * @return array
- * @access public
- */
- function listComments($language)
- {
- $return=$this->listProperty($this->vocabulary->COMMENT());
- if ($language === false)
- return $return;
-
- foreach ($return as $key => $resLiteral)
- {
- if (!is_a($resLiteral,'ResLiteral') || $resLiteral->getLanguage() != $language)
- unset ($return[$key]);
- }
- return $return;
- }
-
- /**
- * Answer an array of all of the resources that are declared to define this resource.
- *
- * @return array
- * @access public
- */
- function listIsDefinedBy()
- {
- return $this->listProperty($this->vocabulary->IS_DEFINED_BY());
- }
-
- /**
- * Answer an array of all of the label literals for this resource, with the given
- * language, if $language is set.
- *
- * @return array
- * @access public
- */
- function listLabelProperties($language = false)
- {
- $return=$this->listProperty($this->vocabulary->LABEL());
- if ($language === false)
- return $return;
-
- foreach ($return as $key => $resLiteral)
- {
- if (!is_a($resLiteral,'ResLiteral') || $resLiteral->getLanguage() != $language)
- unset ($return[$key]);
- }
- return $return;
-
- }
-
- /**
- * Answer an array of the RDF classes to which this resource belongs.
- * If $direct is true, only answer those resources that are direct types of
- * this resource, not the super-classes of the class etc.
- *
- * @param boolean $direct
- * @return array Array of ResResources
- * @access public
- */
- function listRDFTypes($direct = true)
- {
- return $this->listProperty($this->vocabulary->TYPE());
- }
-
- /**
- * Answer an array of all of the resources that are declared to
- * provide addition information about this resource.
- *
- * @return array Array of ResResources
- * @access public
- */
- function listSeeAlso()
- {
- return $this->listProperty($this->vocabulary->SEE_ALSO());
- }
-
- /**
- * Answer an array of values of a given RDF property for this resource as $returnType, or null
- * if it doesn't have one.
- * The following return Types are supported: 'OntClass', 'OntProperty', 'Individual', and 'ResResource'
- * Default is 'ResResource'
- *
- * @param object ResResource $property
- * @param string $returnType
- * @return array of ResResources
- * @access public
- */
- function listProperty($property, $returnType = 'OntResource')
- {
- $return=array();
- $resArray = $this->listProperties($property);
- foreach ($resArray as $statement)
- {
- switch ($returnType)
- {
- case 'OntClass':
- $return[]=$this->model->createOntClass($statement->getLabelObject());
- break;
-
- case 'OntProperty':
- $return[]=$this->model->createOntProperty($statement->getLabelObject());
- break;
-
- case 'Individual':
- $return[]=$this->model->createIndividual($statement->getLabelObject());
- break;
-
- default:
- $return[]=$statement->getObject();
- break;
- }
- }
- return $return;
- }
-
- /**
- * Remove the statement that the given ResLiteral is a comment on this resource.
- * Returns true, if a statement was removed
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function removeComment($resLiteral)
- {
- return $this->removeProperty($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Remove the statement that this resource is defined by the given resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeDefinedBy($resResource)
- {
- return $this->removeProperty($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Remove the statement that the given ResLiteral is a label on this resource.
- * Returns true, if a statement was removed
- *
- * @param object ResLiteral $resLiteral
- * @return boolean
- * @access public
- */
- function removeLabelProperty($resLiteral)
- {
- return $this->removeProperty($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Remove the specific property-value pair from this resource.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return boolean
- * @access public
- */
- function removeProperty($property, $value)
- {
- return $this->model->remove(new Statement($this,$property,$value));
- }
-
- /**
- * Remove the statement that this resource is of the given RDF type.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeRDFType($resResource)
- {
- return $this->removeProperty($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Remove the statement indicating the given resource as a source of
- * additional information about this resource.
- *
- * @param object ResResource $resResource
- * @return boolean
- * @access public
- */
- function removeSeeAlso($resResource)
- {
- return $this->removeProperty($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Assert that the given string is the comment on this resource.
- * Any existing statements for comment will be removed.
- *
- * @param object ResLiteral $resLiteral
- * @access public
- */
- function setComment($resLiteral)
- {
- $this->setPropertyValue($this->vocabulary->COMMENT(),$resLiteral);
- }
-
- /**
- * Assert that the given resource provides a source of definitions about this resource.
- * Any existing statements for isDefinedBy will be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setIsDefinedBy($resResource)
- {
- $this->setPropertyValue($this->vocabulary->IS_DEFINED_BY(),$resResource);
- }
-
- /**
- * Assert that the given string is the label on this resource.
- * Any existing statements for comment will be removed.
- *
- * @param object ResLiteral $resLiteral
- * @access public
- */
- function setLabelProperty($resLiteral)
- {
- $this->setPropertyValue($this->vocabulary->LABEL(),$resLiteral);
- }
-
- /**
- * Set the value of the given property of this ontology resource to the given value.
- * Maintains the invariant that there is at most one value of the property for a
- * given resource, so existing property values are first removed.
- * To add multiple properties, use addProperty.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @access public
- */
- function setPropertyValue($property, $value)
- {
- $this->removeAll($property);
- $this->addProperty($property,$value);
- }
-
- /**
- * Set the RDF type (ie the class) for this resource,
- * replacing any existing rdf:type property. Any existing statements
- * for the RDF type will first be removed.
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setRDFType($resResource)
- {
- $this->setPropertyValue($this->vocabulary->TYPE(),$resResource);
- }
-
- /**
- * Add a resource that is declared to provided additional information
- * about the definition of this resource
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setSeeAlso($resResource)
- {
- $this->setPropertyValue($this->vocabulary->SEE_ALSO(),$resResource);
- }
-
- /**
- * Returns an array of ResResources that are recursively connected by $attribute
- * in superProperty direction.
- * If $onlyFindThisResResource is set to a ResResource, this function returns boolean
- * if this distinct resource recursively is connected to the $startResource.
- *
- * @param object ResResource $startResource
- * @param object ResResource $attribute
- * @param array $attribute
- * @param object ResResource $onlyFindThisResResource
- * @return array OR boolean
- * @access private
- */
- function _getSuperAttributeStatementsRec(& $startResource,& $attribute,& $attributeIndex, $onlyFindThisResResource = false)
- {
-
- $return = $startResource->listProperties($attribute);
-
- if ($onlyFindThisResResource)
- {
- foreach ($return as $statement)
- {
- if ($onlyFindThisResResource->equals($statement->getObject()))
- return true;
- }
- }
-
- foreach ($return as $statement)
- {
- $attributeLabel=$statement->getLabelObject();
- if (!in_array($attributeLabel,$attributeIndex))
- {
- $attributeIndex[]=$attributeLabel;
- $subReturn = $this->_getSuperAttributeStatementsRec($statement->getObject(), $attribute, $attributeIndex, $onlyFindThisResResource);
- }
- }
- if (isset($subReturn))
- {
- if ($subReturn === true)
- return true;
- return array_merge($return,$subReturn);
- }
-
- return $return;
- }
-
- /**
- * Returns an array of ResResources that are recursively connected by $attribute
- * in subProperty direction.
- * If $onlyFindThisResResource is set to a ResResource, this function returns boolean
- * if this distinct resource recursively is connected to the $startResource.
- *
- * @param object ResResource $startResource
- * @param object ResResource $attribute
- * @param array $attribute
- * @param object ResResource $onlyFindThisResResource
- * @return array OR boolean
- * @access private
- */
- function _getSubAttributeStatementsRec(& $startResource,& $attribute,& $attributeIndex, $onlyFindThisResResource = false)
- {
-
- $return = $this->model->find(null,$attribute,$startResource);
-
- if ($onlyFindThisResResource)
- {
- foreach ($return as $statement)
- {
- if ($onlyFindThisResResource->equals($statement->getSubject()))
- return true;
- }
- }
-
- foreach ($return as $statement)
- {
- $attributeLabel=$statement->getLabelSubject();
- if (!in_array($attributeLabel,$attributeIndex))
- {
- $attributeIndex[]=$attributeLabel;
- $subReturn = $this->_getSubAttributeStatementsRec($statement->getSubject(), $attribute, $attributeIndex, $onlyFindThisResResource);
- }
- }
- if (isset($subReturn))
- {
- if ($subReturn === true)
- return true;
- return array_merge($return,$subReturn);
- }
-
- return $return;
- }
-
- /**
- * Add a property to this resource.
- * A statement with this resource as the subject, p as the predicate and o
- * as the object is added to the model associated with this resource.
- * If $this->rdfType is set, an additional statement about it's type
- * is added.
- *
- * @param ResResource $property
- * @param ResResource/ResLiteral $object
- * @return object ResResource
- * @access public
- */
- function addProperty($property,$object)
- {
- if ($this->rdfType !== false)
- if (!$this->hasRDFType($this->rdfType))
- $this->model->add(new Statement($this,$this->vocabulary->TYPE(),$this->rdfType));
-
- return parent:: addProperty($property,$object);
- }
-
- /**
- * Sets the rdf:type, that this distinct resource is instance of.
- * If this value is set, the ontModel will add an additional
- * statement about this resource and the fiven rdf:type
- *
- * @param object ResResource $resResource
- * @access public
- */
- function setInstanceRdfType($resResource)
- {
- $this->rdfType = $resResource;
- }
-
- /**
- * returns the rdf:type, that this distinct resource is instance of.
- *
- * @return object ResResource $resResource
- * @access public
- */
- function getInstanceRdfType()
- {
- return $this->rdfType;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntVocabulary.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntVocabulary.php
deleted file mode 100755
index 22e8ac86..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/OntVocabulary.php
+++ /dev/null
@@ -1,25 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class OntVocabulary
-{
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/RdfsVocabulary.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/RdfsVocabulary.php
deleted file mode 100755
index b0c4ff3d..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/ontModel/RdfsVocabulary.php
+++ /dev/null
@@ -1,143 +0,0 @@
-
-*
-*
-* @package ontModel
-* @access public
-**/
-class RdfsVocabulary extends OntVocabulary
-{
-
- /**
- * Answer the resource that represents the class 'class' in this vocabulary.
- *
- * @return object ResResource
- * @access public
- */
- function ONTCLASS()
- {
- return new ResResource(RDF_SCHEMA_URI.RDFS_CLASS);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function DOMAIN()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_DOMAIN);
- }
-
-
- /**
- * Answer the predicate that denotes comment annotation on an ontology element.
- *
- * @return object ResProperty
- * @access public
- */
- function COMMENT()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_COMMENT);
- }
-
- /**
- * Answer the predicate that denotes isDefinedBy annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function IS_DEFINED_BY()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_IS_DEFINED_BY);
- }
-
- /**
- * Answer the predicate that denotes label annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function LABEL()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_LABEL);
- }
-
- /**
- * Answer the predicate that denotes the domain of a property.
- *
- * @return object ResProperty
- * @access public
- */
- function RANGE()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_RANGE);
- }
-
- /**
- * Answer the predicate that denotes seeAlso annotation on an ontology element
- *
- * @return object ResProperty
- * @access public
- */
- function SEE_ALSO()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SEE_ALSO);
- }
-
- /**
- * Answer the predicate that denotes that one class is a sub-class of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_CLASS_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBCLASSOF);
- }
-
- /**
- * Answer the predicate that denotes that one property is a sub-property of another.
- *
- * @return object ResProperty
- * @access public
- */
- function SUB_PROPERTY_OF()
- {
- return new ResProperty(RDF_SCHEMA_URI.RDFS_SUBPROPERTYOF);
- }
-
- /**
- * Answer the string that is the namespace prefix for this vocabulary
- *
- * @return string
- * @access public
- */
- function NAMESPACE()
- {
- return RDF_SCHEMA_URI;
- }
-
- /**
- * Answer the predicate that denotes the rdf:type property.
- *
- * @return object ResProperty
- * @access public
- */
- function TYPE()
- {
- return new ResProperty(RDF_NAMESPACE_URI.RDF_TYPE);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/all-wcprops
deleted file mode 100755
index d048a41e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/all-wcprops
+++ /dev/null
@@ -1,41 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 58
-/svnroot/rdfapi-php/!svn/ver/436/trunk/rdfapi-php/api/rdql
-END
-RdqlResultIterator.php
-K 25
-svn:wc:ra_dav:version-url
-V 81
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/rdql/RdqlResultIterator.php
-END
-RdqlDbEngine.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/559/trunk/rdfapi-php/api/rdql/RdqlDbEngine.php
-END
-RdqlParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/282/trunk/rdfapi-php/api/rdql/RdqlParser.php
-END
-RDQL.php
-K 25
-svn:wc:ra_dav:version-url
-V 67
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/rdql/RDQL.php
-END
-RdqlMemEngine.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/rdql/RdqlMemEngine.php
-END
-RdqlEngine.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/rdql/RdqlEngine.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/entries
deleted file mode 100755
index 4c36cd16..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/entries
+++ /dev/null
@@ -1,106 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/rdql
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-05-14T14:02:56.000000Z
-436
-cweiske
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-RdqlResultIterator.php
-file
-
-
-
-
-2008-02-29T14:57:45.147546Z
-2082617ae1572e2c8743d02da7471197
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-RdqlDbEngine.php
-file
-559
-
-
-
-2008-02-29T15:21:35.971116Z
-ef48aab131905e1d659302007a72ba23
-2008-02-29T15:21:35.565210Z
-559
-cax
-has-props
-
-RdqlParser.php
-file
-
-
-
-
-2008-02-29T14:57:45.163166Z
-8758bf7cb75eb3d0f34c5663fb818ee3
-2006-06-08T06:25:14.000000Z
-282
-tgauss
-has-props
-
-RDQL.php
-file
-
-
-
-
-2008-02-29T14:57:45.178787Z
-23ff8280200454e7df2c77e474713d57
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-RdqlMemEngine.php
-file
-
-
-
-
-2008-02-29T14:57:45.178787Z
-bed653582ea03b7e46ffa37e34685114
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-RdqlEngine.php
-file
-
-
-
-
-2008-02-29T14:57:45.194408Z
-d53f77256d1b05acc670e5af1d7a1773
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RDQL.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RDQL.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RDQL.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlDbEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlDbEngine.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlDbEngine.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlEngine.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlEngine.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlMemEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlMemEngine.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlMemEngine.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlParser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlParser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlResultIterator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlResultIterator.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/prop-base/RdqlResultIterator.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RDQL.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RDQL.php.svn-base
deleted file mode 100755
index ae136f10..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RDQL.php.svn-base
+++ /dev/null
@@ -1,17 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlDbEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlDbEngine.php.svn-base
deleted file mode 100755
index f09086fd..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlDbEngine.php.svn-base
+++ /dev/null
@@ -1,506 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlDbEngine extends RdqlEngine {
-
-
-/**
- * Parsed query variables and constraints.
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][] = URI
- * ['patterns'][]['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['numExpr']['vars'][] = ?VARNAME
- * ( [] stands for an integer index - 0..N )
- * @access private
- */
- var $parsedQuery;
-
-
-/**
- * When an RDQL query is performed on a DbModel, in first step the engine searches
- * in database for triples matching the Rdql-WHERE clause. A recordSet is returned.
- * $rsIndexes maps select and filter variables to their corresponding indexes
- * in the returned recordSet.
- *
- * @var array [?VARNAME]['value'] = integer
- * ['nType'] = integer
- * ['l_lang'] = integer
- * ['l_dtype'] = integer
- * @access private
- */
- var $rsIndexes;
-
-
- /**
- * Perform an RDQL Query on the given DbModel.
- *
- * @param object DbModel $dbModel
- * @param array &$parsedQuery (the same format as $this->parsedQuery)
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- * @access public
- */
- function & queryModel(&$dbModel, &$parsedQuery, $returnNodes = TRUE) {
-
- $this->parsedQuery = &$parsedQuery;
-
- $sql = $this->generateSql($dbModel->modelID);
- $recordSet =& $dbModel->dbConn->execute($sql);
- $queryResult = $this->filterQueryResult($recordSet);
-
- if ($returnNodes)
- $ret = $this->toNodes($queryResult);
- else
- $ret = $this->toString($queryResult);
- return $ret;
- }
-
-
- /**
- * Generate an SQL string to query the database for tuples matching all patterns
- * of $parsedQuery.
- *
- * @param integer $modelID
- * @return string
- * @access private
- */
- function generateSql($modelID) {
-
- $sql = $this->generateSql_SelectClause();
- $sql .= $this->generateSql_FromClause();
- $sql .= $this->generateSql_WhereClause($modelID);
- return $sql;
- }
-
-
-/**
- * Generate SQL SELECT clause.
- *
- * @return string
- * @throws PHPError
- * @access private
- */
- function generateSql_SelectClause() {
-
- $sql_select = 'SELECT';
- $index = 0;
- $this->rsIndexes = array();
-
- foreach ($this->parsedQuery['selectVars'] as $var)
- $sql_select .= $this->_generateSql_SelectVar($var, $index);
-
- if (isset($this->parsedQuery['filters'])) {
- foreach ($this->parsedQuery['filters'] as $n => $filter) {
-
- // variables from numeric expressions
- foreach ($filter['numExprVars'] as $numVar)
- $sql_select .= $this->_generateSql_SelectVar($numVar, $index);
-
- // variables from regex equality expressions
- foreach ($filter['regexEqExprs'] as $regexEqExpr)
- $sql_select .= $this->_generateSql_SelectVar($regexEqExpr['var'], $index);
-
- // variables from string equality expressions
- foreach ($filter['strEqExprs'] as $strEqVar)
- $sql_select .= $this->_generateSql_SelectVar($strEqVar['var'], $index);
- }
- }
-
- return rtrim($sql_select, " , ");
- }
-
-
-/**
- * Generate SQL FROM clause
- *
- * @return string
- * @access private
- */
- function generateSql_FromClause() {
-
- $sql_from = ' FROM';
- foreach ($this->parsedQuery['patterns'] as $n => $v)
- $sql_from .= ' statements s' .($n+1) .' , ';
-
- return rtrim($sql_from, ' , ');
- }
-
-
-/**
- * Generate an SQL WHERE clause
- *
- * @param integer $modelID
- * @return string
- * @access private
- */
- function generateSql_WhereClause($modelID) {
-
- $sql_where = ' WHERE';
- $count_patterns = count($this->parsedQuery['patterns']);
- foreach ($this->parsedQuery['patterns'] as $n => $pattern) {
- $sql_where .= ' s' .($n+1) .'.modelID=' .$modelID .' AND';
- foreach ($pattern as $key => $val_1)
- if ($val_1['value'] && $val_1['value']{0}=='?') {
- $sql_tmp = ' s' .($n+1) .'.' .$key .'=';
- // find internal bindings
- switch ($key) {
- case 'subject':
- if ($pattern['subject']['value'] == $pattern['predicate']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.predicate AND';
- elseif ($pattern['subject']['value'] == $pattern['object']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.object AND';
- break;
- case 'predicate':
- if ($pattern['predicate']['value'] == $pattern['object']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.object AND';
- }
- // find external bindings
- for ($i=$n+1; $i<$count_patterns; $i++)
- foreach ($this->parsedQuery['patterns'][$i] as $key2 => $val_2)
- if ($val_1['value']==$val_2['value']) {
- $sql_where .= $sql_tmp .'s' .($i+1) .'.' .$key2 .' AND';
- break 2;
- }
- }else {
- $sql_where .= ' s' .($n+1) .'.' .$key ."='" .$val_1['value'] ."' AND";
- if ($key == 'object' && isset($val_1['is_literal'])) {
- $sql_where .= ' s' .($n+1) .".object_is='l' AND";
- $sql_where .= ' s' .($n+1) .".l_datatype='" .$val_1['l_dtype'] ."' AND";
- $sql_where .= ' s' .($n+1) .".l_language='" .$val_1['l_lang'] ."' AND";
- }
- }
- }
- return rtrim($sql_where, ' AND');
- }
-
-
-/**
- * Filter tuples containing variables matching all patterns from the WHERE clause
- * of an RDQL query. As a result of a database query using ADOdb these tuples
- * are returned as an ADORecordSet object, which is then passed to this function.
- *
- * @param object ADORecordSet &$recordSet
- * @return array [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @access private
- */
- function filterQueryResult(&$recordSet) {
- $queryResult=array();
-
- if (isset($this->parsedQuery['filters'])) {
-
- while (!$recordSet->EOF) {
-
- foreach ($this->parsedQuery['filters'] as $filter) {
-
- $evalFilterStr = $filter['evalFilterStr'];
-
- // evaluate regex equality expressions of each filter
- foreach ($filter['regexEqExprs'] as $i => $expr) {
- preg_match($expr['regex'], $recordSet->fields[$this->rsIndexes[$expr['var']]['value']], $match);
- $op = substr($expr['operator'], 0,1);
- if (($op != '!' && !isset($match[0])) || ($op == '!' && isset($match[0])))
- $evalFilterStr = str_replace("##RegEx_$i##", 'FALSE', $evalFilterStr);
- else
- $evalFilterStr = str_replace("##RegEx_$i##", 'TRUE', $evalFilterStr);
- }
-
- // evaluate string equality expressions
- foreach ($filter['strEqExprs'] as $i => $expr) {
-
- $exprBoolVal = 'FALSE';
-
- switch ($expr['value_type']) {
-
- case 'variable':
- if (($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] ==
- $recordSet->fields[$this->rsIndexes[$expr['value']]['value']] &&
- $expr['operator'] == 'eq') ||
- ($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] !=
- $recordSet->fields[$this->rsIndexes[$expr['value']]['value']] &&
- $expr['operator'] == 'ne'))
-
- $exprBoolVal = 'TRUE';
- break;
-
- case 'URI':
-
- if (isset($this->rsIndexes[$expr['var']]['nType']) &&
- $recordSet->fields[$this->rsIndexes[$expr['var']]['nType']] == 'l') {
-
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- if (($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] ==
- $expr['value'] && $expr['operator'] == 'eq') ||
- ($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] !=
- $expr['value'] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'Literal':
-
- if (!isset($this->rsIndexes[$expr['var']]['nType']) ||
- $recordSet->fields[$this->rsIndexes[$expr['var']]['nType']] != 'l') {
-
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- $filterLiteral= new Literal($expr['value'],$expr['value_lang']);
- $filterLiteral->setDatatype($expr['value_dtype']);
-
- $resultLiteral=new Literal($recordSet->fields[$this->rsIndexes[$expr['var']]['value']]);
- $resultLiteral->setDatatype($recordSet->fields[$this->rsIndexes[$expr['var']]['l_dtype']]);
- $resultLiteral->setLanguage($recordSet->fields[$this->rsIndexes[$expr['var']]['l_lang']]);
-
- $equal=$resultLiteral->equals($filterLiteral);
-
- if (($equal && $expr['operator'] == 'eq') ||
- (!$equal && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- else
- $exprBoolVal = 'FALSE';
-
- }
-
- $evalFilterStr = str_replace("##strEqExpr_$i##", $exprBoolVal, $evalFilterStr);
- }
-
- // evaluate numerical expressions
- foreach ($filter['numExprVars'] as $varName) {
- $varValue = "'" .$recordSet->fields[$this->rsIndexes[$varName]['value']] ."'";
- $evalFilterStr = str_replace($varName, $varValue, $evalFilterStr);
- }
-
- eval("\$filterBoolVal = $evalFilterStr; \$eval_filter_ok = TRUE;");
- if (!isset($eval_filter_ok))
- trigger_error(RDQL_AND_ERR ."'" .htmlspecialchars($filter['string']) ."'", E_USER_ERROR);
-
- if (!$filterBoolVal) {
- $recordSet->MoveNext();
- continue 2;
- }
-
- }
- $queryResult[] = $this->_convertRsRowToQueryResultRow($recordSet->fields);
- $recordSet->MoveNext();
- }
-
- }else
- while (!$recordSet->EOF) {
- $queryResult[] = $this->_convertRsRowToQueryResultRow($recordSet->fields);
- $recordSet->MoveNext();
- }
- return $queryResult;
- }
-
-
-/**
- * Serialize variable values of $queryResult to string.
- *
- * @param array &$queryResult [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = string
- * @access private
- */
- function toString(&$queryResult) {
-
- // if a result set is empty return only variable sames
- if (count($queryResult) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $res[0][$selectVar] = NULL;
- return $res;
- }
-
- $res = array();
- foreach ($queryResult as $n => $var)
- foreach ($var as $varname => $varProperties)
- if ($varProperties['nType'] == 'r' || $varProperties['nType'] == 'b')
- $res[$n][$varname] = '<' .$varProperties['value'] .'>';
- else {
- $res[$n][$varname] = '"' .$varProperties['value'] .'"';
- if ($varProperties['l_lang'] != NULL)
- $res[$n][$varname] .= ' (xml:lang="' .$varProperties['l_lang'] .'")';
- if ($varProperties['l_dtype'] != NULL)
- $res[$n][$varname] .= ' (rdf:datatype="' .$varProperties['l_dtype'] .'")';
- }
- return $res;
- }
-
-
-/**
- * Convert variable values of $queryResult to objects (Node).
- *
- * @param array &$queryResult [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function toNodes(&$queryResult) {
-
- // if a result set is empty return only variable sames
- if (count($queryResult) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $res[0][$selectVar] = NULL;
- return $res;
- }
-
- $res = array();
- foreach ($queryResult as $n => $var)
- foreach ($var as $varname => $varProperties)
- if ($varProperties['nType'] == 'r')
- $res[$n][$varname] = new Resource($varProperties['value']);
- elseif ($varProperties['nType'] == 'b')
- $res[$n][$varname] = new BlankNode($varProperties['value']);
- else {
- $res[$n][$varname] = new Literal($varProperties['value'], $varProperties['l_lang']);
- if ($varProperties['l_dtype'] != NULL)
- $res[$n][$varname]->setDataType($varProperties['l_dtype']);
- }
- return $res;
- }
-
-
-/**
- * Generate a piece of an sql select statement for a variable.
- * Look first if the given variable is defined as a pattern object.
- * (So you can select the node type, literal lang and dtype)
- * If not found - look for subjects and select node label and type.
- * If there is no result either go to predicates.
- * Predicates are always resources therefore select only the node label.
- *
- * @param string $varName
- * @return string
- * @access private
- */
-function _generateSql_SelectVar ($varName, &$index) {
-
- $sql_select = '';
-
- if (array_key_exists($varName, $this->rsIndexes))
- return NULL;
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['object']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".object as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
- // select the node type
- $sql_select .= " s" .$n .".object_is , ";
- $this->rsIndexes[$varName]['nType'] = $index++;
- // select the object language
- $sql_select .= " s" .$n .".l_language , ";
- $this->rsIndexes[$varName]['l_lang'] = $index++;
- // select the object dtype
- $sql_select .= " s" .$n .".l_datatype , ";
- $this->rsIndexes[$varName]['l_dtype'] = $index++;
-
- return $sql_select;
- }
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['subject']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".subject as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
- // select the node type
- $sql_select .= " s" .$n .".subject_is , ";
- $this->rsIndexes[$varName]['nType'] = $index++;
-
- return $sql_select;
- }
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['predicate']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".predicate as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
-
- return $sql_select;
- }
- }
-
-
-/**
- * Converts a single row of ADORecordSet->fields array to the format of
- * $queryResult array using pointers to indexes ($this->rsIndexes) in RecordSet->fields.
- *
- * @param array &$record [] = string
- * @return array [?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @access private
- */
- function _convertRsRowToQueryResultRow(&$record) {
-
- // return only select variables (without conditional variables from the AND clause)
- foreach ($this->parsedQuery['selectVars'] as $selectVar) {
- $resultRow[$selectVar]['value'] = $record[$this->rsIndexes[$selectVar]['value']];
- if (isset($this->rsIndexes[$selectVar]['nType']))
- $resultRow[$selectVar]['nType'] = $record[$this->rsIndexes[$selectVar]['nType']];
- // is a predicate then
- else
- $resultRow[$selectVar]['nType'] = 'r';
-
- if ($resultRow[$selectVar]['nType'] == 'l') {
- $resultRow[$selectVar]['l_lang'] = $record[$this->rsIndexes[$selectVar]['l_lang']];
- $resultRow[$selectVar]['l_dtype'] = $record[$this->rsIndexes[$selectVar]['l_dtype']];
- }
- }
- return $resultRow;
- }
-
-} // end: Class RdqlDbEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlEngine.php.svn-base
deleted file mode 100755
index 950238ac..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlEngine.php.svn-base
+++ /dev/null
@@ -1,69 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlEngine extends Object{
-
-
-
-/**
- * Prints a query result as HTML table.
- * You can change the colors in the configuration file.
- *
- * @param array $queryResult [][?VARNAME] = object Node
- * @access private
- */
- function writeQueryResultAsHtmlTable($queryResult) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- if (current($queryResult[0]) == NULL) {
- echo 'no match
';
- return;
- }
-
- echo '| No. | ';
- foreach ($queryResult[0] as $varName => $value)
- echo "$varName | ";
- echo '
';
-
- foreach ($queryResult as $n => $var) {
-
-
- echo '| ' .($n + 1) .'. | ';
- foreach ($var as $varName => $value) {
- echo INDENTATION . INDENTATION . '';
- echo ' ';
-
- $lang = NULL;
- $dtype = NULL;
- if (is_a($value, 'Literal')) {
- if ($value->getLanguage() != NULL)
- $lang = ' (xml:lang="' . $value->getLanguage() . '") ';
- if ($value->getDatatype() != NULL)
- $dtype = ' (rdf:datatype="' . $value->getDatatype() . '") ';
- }
- echo RDFUtil::getNodeTypeName($value) .$value->getLabel() . $lang . $dtype .' ';
- }
- echo ' |
';
- }
- echo '
';
- }
-
-} // end: Class RdqlEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlMemEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlMemEngine.php.svn-base
deleted file mode 100755
index b3b86201..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlMemEngine.php.svn-base
+++ /dev/null
@@ -1,555 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlMemEngine extends RdqlEngine {
-
-
-/**
- * Parsed query variables and constraints.
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][] = URI
- * ['patterns'][]['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['numExpr']['vars'][] = ?VARNAME
- * ( [] stands for an integer index - 0..N )
- * @access private
- */
- var $parsedQuery;
-
-
- /**
- * Perform an RDQL Query on the given MemModel.
- *
- * @param object MemModel &$memModel
- * @param array &$parsedQuery (the same format as $this->parsedQuery)
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- * @access public
- */
- function & queryModel(&$memModel, &$parsedQuery, $returnNodes = TRUE) {
-
- $this->parsedQuery = $parsedQuery;
-
- // find tuples matching all patterns
- $res = $this->findTuplesMatchingAllPatterns($memModel);
-
- // filter tuples
- if (isset($parsedQuery['filters']))
- $res = $this->filterTuples($res);
-
- // select variables to be returned
- $res = $this->selectVariables($res);
-
- if(!$returnNodes)
- return $this->toString($res);
-
- return $res;
- }
-
-
- /**
- * Find triples matching all patterns of an RDQL query and return an array
- * with variables from all patterns and their corresponding values.
- * The variable values returned are instances of object Node.
- *
- * @param object MemModel &$memModel
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function findTuplesMatchingAllPatterns(&$memModel) {
-
- $resultSet = $this->findTuplesMatchingOnePattern($memModel, $this->parsedQuery['patterns'][0]);
- for ($i=1; $iparsedQuery['patterns']); $i++) {
- $rs = $this->findTuplesMatchingOnePattern($memModel, $this->parsedQuery['patterns'][$i]);
- $resultSet = $this->joinTuples($resultSet, $rs);
- }
- return $resultSet;
- }
-
-
-/**
- * Find tuples matching one pattern and return an array with pattern
- * variables and their corresponding values (instances of object Node).
- *
- * @param object MemModel &$memModel
- * @param array &$pattern ['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function findTuplesMatchingOnePattern(&$memModel, &$pattern) {
-
- $resultSet = array();
- $i = 0;
- // parameters to be passed to the method findTriplesMatchingPattern
- foreach ($pattern as $key => $v) {
- if ($v['value'] && $v['value']{0} == '?') {
- if ($key == 'object') {
- $param['object']['is_a'] = 'ANY';
- $param['object']['string'] = 'ANY';
- $param['object']['lang'] = NULL;
- $param['object']['dtype'] = NULL;
- } else
- $param[$key] = 'ANY';
- $var[$i]['key'] = $key;
- $var[$i++]['val'] = $v['value'];
- }else
- if (isset($v['is_literal'])) {
- $param[$key]['is_a'] = 'Literal';
- $param[$key]['string'] = $v['value'];
- $param[$key]['lang'] = $v['l_lang'];
- $param[$key]['dtype'] = $v['l_dtype'];
- }else{
- if ($key == 'object') {
- $param[$key]['is_a'] = 'Resource';
- $param[$key]['string'] = $v['value'];
- $param[$key]['lang'] = NULL;
- $param[$key]['dtype'] = NULL;
- }else
- $param[$key] = $v['value'];
- }
- }
-
- // find pattern internal bindings e.g. (?x, ?z, ?x)
- $intBindings = NULL;
- for ($i=0; $i $v)
- if ($i != $n && $var[$i]['val'] == $v['val'])
- $intBindings[] = $var[$i]['key'];
-
- // find triples of the $memModel matching $pattern
- $resModel = $this->findTriplesMatchingPattern($memModel, $param['subject'],
- $param['predicate'],
- $param['object']['is_a'],
- $param['object']['string'],
- $param['object']['lang'],
- $param['object']['dtype'],
- $intBindings);
-
- // set values of the pattern variables to be returned
- if ($pattern['subject']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['subject']['value']] = $triple->subj;
- }
- if ($pattern['predicate']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['predicate']['value']] = $triple->pred;
- }
- if ($pattern['object']['value'] && $pattern['object']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['object']['value']] = $triple->obj;
- }
- return $resultSet;
- }
-
-
-/**
- * Search in $memModel for triples matching one pattern from the WHERE clause.
- * 'ANY' input for $subjLabel..$objLabel, $obj_is will match anything.
- * NULL input for $objDtype will only match obj->dtype = NULL
- * NULL input for $objLanguage will match obj->lang = NULL or anything if a
- * literal is datatyped (except for XMLLiterals and plain literals)
- * This method also checks internal bindings if provided.
- *
- * @param object MemModel $memModel
- * @param string $subjLabel
- * @param string $predLabel
- * @param string $objLabel
- * @param string $obj_is
- * @param string $objLanguage
- * @param string $objDtype
- * @param array $intBindings [] = string
- * @return object MemModel
- * @access private
- */
- function findTriplesMatchingPattern(&$memModel, $subjLabel, $predLabel, $obj_is,
- $objLabel, $objLang, $objDtype, &$intBindings) {
-
- $res = new MemModel();
-
- if($memModel->isEmpty())
- return $res;
-
- if ($subjLabel=='ANY')
- {
- $subj=NULL;
- } else
- {
- $subj=new Resource($subjLabel);
- };
- if ($predLabel=='ANY')
- {
- $pred=NULL;
- } else
- {
- $pred=new Resource($predLabel);
- };
-
- if ($objLabel=='ANY')
- {
- $obj=NULL;
- } else
- {
- if ($obj_is == 'Literal')
- {
- $obj=new Literal($objLabel);
- $obj->setDatatype($objDtype);
- $obj->setLanguage($objLang);
- } else {
- $obj=new Resource($objLabel);
- }
- };
-
- $res=$memModel->find($subj,$pred,$obj);
-
- if ($intBindings)
- foreach ($res->triples as $triple)
- {
- if (!$this->_checkIntBindings($triple, $intBindings))
- {
- $res->remove($triple);
- }
- }
-
- return $res;
-}
-
-
-/**
- * Perform an SQL-like inner join on two resultSets.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @param array &$res [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function joinTuples(&$finalRes, &$res) {
-
- if (count($finalRes) == 0 || count($res) == 0)
- return array();
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- foreach ($res[0] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0]))
- $jointVars[] = $varname;
- else
- $newVars[] = $varname;
- }
-
- // eliminate rows of $finalRes in which the values of $jointVars do not have
- // a corresponding row in $res.
- foreach ($finalRes as $n => $fRes) {
- foreach ($res as $i => $r) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok)
- break;
- }
- if (!$ok)
- unset($finalRes[$n]);
- }
-
- // join $res and $finalRes
- $joinedRes = array();
- foreach ($res as $i => $r) {
- foreach ($finalRes as $n => $fRes) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok) {
- $joinedRow = $finalRes[$n];
- foreach($newVars as $n_varname)
- $joinedRow[$n_varname] = $r[$n_varname];
- $joinedRes[] = $joinedRow;
- }
- }
- }
-
- return $joinedRes;
- }
-
-
-/**
- * Filter the result-set of query variables by evaluating each filter from the
- * AND clause of the RDQL query.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function filterTuples(&$finalRes) {
-
- foreach ($this->parsedQuery['filters'] as $filter) {
-
- foreach ($finalRes as $n => $fRes) {
- $evalFilterStr = $filter['evalFilterStr'];
-
- // evaluate regex equality expressions of each filter
- foreach ($filter['regexEqExprs'] as $i => $expr) {
-
- preg_match($expr['regex'], $fRes[$expr['var']]->getLabel(), $match);
- $op = substr($expr['operator'], 0,1);
- if (($op != '!' && !isset($match[0])) || ($op == '!' && isset($match[0])))
- $evalFilterStr = str_replace("##RegEx_$i##", 'FALSE', $evalFilterStr);
- else
- $evalFilterStr = str_replace("##RegEx_$i##", 'TRUE', $evalFilterStr);
-
- }
-
- // evaluate string equality expressions
- foreach ($filter['strEqExprs'] as $i => $expr) {
-
- $exprBoolVal = 'FALSE';
-
- switch ($expr['value_type']) {
-
- case 'variable':
- if (($fRes[$expr['var']] == $fRes[$expr['value']] && $expr['operator'] == 'eq') ||
- ($fRes[$expr['var']] != $fRes[$expr['value']] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'URI':
-
- if (is_a($fRes[$expr['var']], 'Literal')) {
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- if (($fRes[$expr['var']]->getLabel() == $expr['value'] && $expr['operator'] == 'eq') ||
- ($fRes[$expr['var']]->getLabel() != $expr['value'] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'Literal':
-
- if (!is_a($fRes[$expr['var']], 'Literal')) {
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- $filterLiteral= new Literal($expr['value'],$expr['value_lang']);
- $filterLiteral->setDatatype($expr['value_dtype']);
-
- $equal=$fRes[$expr['var']]->equals($filterLiteral);
-/* if ($fRes[$expr['var']]->getLabel() == $expr['value'] &&
- $fRes[$expr['var']]->getDatatype() == $expr['value_dtype']) {
-
- $equal = TRUE;
-
- // Lang tags only differentiate literals in rdf:XMLLiterals and plain literals.
- // Therefore if a literal is datatyped ignore the language tag.
- if ((($expr['value_dtype'] == NULL) ||
- ($expr['value_dtype'] == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') ||
- ($expr['value_dtype'] == 'http://www.w3.org/2001/XMLSchema#string')) &&
- (($fRes[$expr['var']]->getLanguage() != $expr['value_lang'])))
-
- $equal = FALSE;
- }else
- $equal = FALSE;
- */
- if (($equal && $expr['operator'] == 'eq') ||
- (!$equal && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- else
- $exprBoolVal = 'FALSE';
-
- }
- $evalFilterStr = str_replace("##strEqExpr_$i##", $exprBoolVal, $evalFilterStr);
- }
-
- // evaluate numerical expressions
- foreach ($filter['numExprVars'] as $varName) {
- $varValue = "'" .$fRes[$varName]->getLabel() ."'";
- $evalFilterStr = str_replace($varName, $varValue, $evalFilterStr);
- }
-
- eval("\$filterBoolVal = $evalFilterStr; \$eval_filter_ok = TRUE;");
- if (!isset($eval_filter_ok))
- trigger_error(RDQL_AND_ERR ."'" .htmlspecialchars($filter['string']) ."'", E_USER_ERROR);
-
- if (!$filterBoolVal)
- unset($finalRes[$n]);
- }
- }
-
- return $finalRes;
- }
-
-
-/**
- * Remove all conditional variables from the result-set and leave only variables
- * specified in the SELECT clause of the RDQL query.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function selectVariables(&$finalRes) {
-
- // if nothing has been found return only one row of $finalRes
- // with select variables having empty values
- if (count($finalRes) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $finalRes[0][$selectVar] = NULL;
- return $finalRes;
- }
-
- // return only selectVars in the same order as given in the RDQL query
- // and reindex $finalRes.
- $n = 0;
- foreach($finalRes as $key => $val) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $resultSet[$n][$selectVar] = $val[$selectVar];
- unset($finalRes[$key]);
- ++$n;
- }
-
- return $resultSet;
- }
-
-
-/**
- * Convert the variable values of $finalRes from objects to their string serialization.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = string
- * @access private
- */
- function toString(&$finalRes) {
-
- foreach ($finalRes as $n => $tuple)
- foreach ($tuple as $varname => $node) {
- if (is_a($node, 'Resource'))
- $res[$n][$varname] = '<' .$node->getLabel() .'>';
- elseif (is_a($node, 'Literal')) {
- $res[$n][$varname] = '"' .$node->getLabel() .'"';
- if ($node->getLanguage())
- $res[$n][$varname] .= ' (xml:lang="' .$node->getLanguage() .'")';
- if ($node->getDatatype())
- $res[$n][$varname] .= ' (rdf:datatype="' .$node->getDatatype() .'")';
- }else
- $res[$n][$varname] = $node;
- }
- return $res;
- }
-
-
-/**
- * Check if the given triple meets pattern internal bindings
- * e.g. (?x, ?z, ?x) ==> statement subject must be identical with the statement object
- *
- * @param object statement &$triple
- * @param array &$intBindings [] = string
- * @return boolean
- * @access private
- */
- function _checkIntBindings (&$triple, &$intBindings) {
-
- if (in_array('subject', $intBindings)) {
- if (in_array('predicate', $intBindings))
- if ($triple->subj != $triple->pred)
- return FALSE;
- if (in_array('object', $intBindings)) {
- if (is_a($triple->obj, 'Literal'))
- return FALSE;
- elseif ($triple->subj != $triple->obj)
- return FALSE;
- }
- return TRUE;
- }
- if (in_array('predicate', $intBindings)) {
- if (is_a($triple->obj, 'Literal'))
- return FALSE;
- elseif ($triple->pred != $triple->obj)
- return FALSE;
- return TRUE;
- }
- }
-
-
-/**
- * Check if the lang and dtype of the passed object Literal are equal $lang and $dtype
- * !!! Language only differentiates literals in rdf:XMLLiterals and plain literals (xsd:string).
- * !!! Therefore if a literal is datatyped ignore the language.
- *
- * @param object Literal $literal
- * @param string $dtype1
- * @param string $dtype2
- * @return boolean
- * @access private
- */
- function _equalsLangDtype ($literal, $lang, $dtype) {
-
- if ($dtype == $literal->getDatatype()) {
- if (($dtype == NULL ||
- $dtype == 'http://www.w3.org/2001/XMLSchema#string' ||
- $dtype == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') &&
- ($lang != $literal->getLanguage()))
- return FALSE;
- return TRUE;
- }
- return FALSE;
- }
-
-
-} // end: Class RdqlMemEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlParser.php.svn-base
deleted file mode 100755
index 3403966a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlParser.php.svn-base
+++ /dev/null
@@ -1,1063 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-
-Class RdqlParser extends Object{
-
-/**
- * Parsed query variables and constraints.
- * { } are only used within the parser class and are not returned as parsed query.
- * ( [] stands for an integer index - 0..N )
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][]{['value']} = URI | QName
- * {['is_qname'] = boolean}
- * ['patterns'][]['subject']['value'] = VARorURI
- * {['is_qname'] = boolean}
- * ['predicate']['value'] = VARorURI
- * {['is_qname'] = boolean}
- * ['object']['value'] = VARorURIorLiterl
- * {['is_qname'] = boolean}
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * {['l_dtype_is_qname'] = boolean}
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'QName' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * {['value_dtype_is_qname'] = boolean}
- * ['numExpr']['vars'][] = ?VARNAME
- * {['ns'][PREFIX] = NAMESPACE}
- * @access private
- */
- var $parsedQuery;
-
-
-/**
- * Query string divided into a sequence of tokens.
- * A token is either: ' ' or "\n" or "\r" or "\t" or ',' or '(' or ')'
- * or a string containing any characters except from the above.
- *
- * @var array
- * @access private
- */
- var $tokens;
-
-
-/**
- * Parse the given RDQL query string and return an array with query variables and constraints.
- *
- * @param string $queryString
- * @return array $this->parsedQuery
- * @access public
- */
- function & parseQuery($queryString) {
-
- $cleanQueryString = $this->removeComments($queryString);
- $this->tokenize($cleanQueryString);
- $this->startParsing();
- if ($this->parsedQuery['selectVars'][0] == '*')
- $this->parsedQuery['selectVars'] = $this->findAllQueryVariables();
- else
- $this->_checkSelectVars();
- $this->replaceNamespacePrefixes();
-
- return $this->parsedQuery;
- }
-
-
-/**
- * Remove comments from the passed query string.
- *
- * @param string $query
- * @return string
- * @throws PHPError
- * @access private
- */
- function removeComments($query) {
-
- $last = strlen($query)-1;
- $query .= ' ';
- $clean = '';
- for ($i=0; $i<=$last; $i++) {
- // don't search for comments inside a 'literal'@lang^^dtype or "literal"@lang^^dtype
- if ($query{$i} == "'" || $query{$i} == '"') {
- $quotMark = $query{$i};
- do
- $clean .= $query{$i++};
- while($i < $last && $query{$i} != $quotMark);
- $clean .= $query{$i};
- // language
- if ($query{$i+1} == '@') {
- do{
- if ($query{$i+1} == '^' && $query{$i+2} == '^')
- break;
- $clean .= $query{++$i};
- }while ($i < $last && $query{$i} != ' ' && $query{$i} != "\t"
- && $query{$i} != "\n" && $query{$i} != "\r");
- }
- // datatype
- if ($query{$i+1} == '^' && $query{$i+2} == '^') {
- do
- $clean .= $query{++$i};
- while ($i < $last && $query{$i} != ' ' && $query{$i} != "\t"
- && $query{$i} != "\n" && $query{$i} != "\r" );
- }
- // don't search for comments inside an either
- }elseif ($query{$i} == '<') {
- do{
- $clean .= $query{$i++};
- }while($i < $last && $query{$i} != '>');
- $clean .= $query{$i};
- }elseif ($query{$i} == '/') {
- // clear: // comment
- if ($i < $last && $query{$i+1} == '/') {
- while($i < $last && $query{$i} != "\n" && $query{$i} != "\r")
- ++$i;
- $clean .= ' ';
- // clear: /*comment*/
- }elseif ($i < $last-2 && $query{$i+1} == '*') {
- $i += 2;
- while($i < $last && ($query{$i} != '*' || $query{$i+1} != '/'))
- ++$i;
- if ($i >= $last && ($query{$last-1} != '*' || $query{$last} != '/'))
- trigger_error(RDQL_SYN_ERR .": unterminated comment - '*/' missing", E_USER_ERROR);
- ++$i;
- }else
- $clean .= $query{$i};
- }else
- $clean .= $query{$i};
- }
- return $clean;
- }
-
-
-/**
- * Divide the query string into tokens.
- * A token is either: ' ' or "\n" or "\r" or '\t' or ',' or '(' or ')'
- * or a string containing any character except from the above.
- *
- * @param string $queryString
- * @access private
- */
- function tokenize($queryString) {
-
- $queryString = trim($queryString, " \r\n\t");
- $specialChars = array (" ", "\t", "\r", "\n", ",", "(", ")");
- $len = strlen($queryString);
- $this->tokens[0]='';
- $n = 0;
-
- for ($i=0; $i<$len; ++$i) {
- if (!in_array($queryString{$i}, $specialChars))
- $this->tokens[$n] .= $queryString{$i};
- else {
- if ($this->tokens[$n] != '')
- ++$n;
- $this->tokens[$n] = $queryString{$i};
- $this->tokens[++$n] = '';
- }
- }
- }
-
-
-/**
- * Start parsing of the tokenized query string.
- *
- * @access private
- */
- function startParsing() {
-
- $this->parseSelect();
- }
-
-
-/**
- * Parse the SELECT clause of an Rdql query.
- * When the parsing of the SELECT clause is finished, this method will call
- * a suitable method to parse the subsequent clause.
- *
- * @throws PhpError
- * @access private
- */
- function parseSelect() {
-
- $this->_clearWhiteSpaces();
-
- // Check if the queryString contains a "SELECT" token
- if (strcasecmp('SELECT', current($this->tokens)))
- trigger_error(RDQL_SEL_ERR ."'" .current($this->tokens)
- ."' - SELECT keyword expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- // Parse SELECT *
- if (current($this->tokens) == '*') {
- unset($this->tokens[key($this->tokens)]);
- $this->parsedQuery['selectVars'][0] = '*';
- $this->_clearWhiteSpaces();
- if (strcasecmp('FROM', current($this->tokens))
- && strcasecmp('SOURCE', current($this->tokens))
- && strcasecmp('WHERE', current($this->tokens)))
- trigger_error(RDQL_SYN_ERR .": '" .htmlspecialchars(current($this->tokens))
- ."' - SOURCE or WHERE clause expected", E_USER_ERROR);
- }
-
- // Parse SELECT ?Var (, ?Var)*
- $commaExpected = FALSE;
- $comma = FALSE;
- while (current($this->tokens) != NULL) {
- $k = key($this->tokens);
- $token = $this->tokens[$k];
-
- switch ($token) {
- case ',': if (!$commaExpected)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- $comma = TRUE;
- $commaExpected = FALSE;
- break;
- case '(':
- case ')': trigger_error(RDQL_SEL_ERR ." '$token' - illegal input", E_USER_ERROR);
- break;
- default :
- if (!strcasecmp('FROM', $token) || !strcasecmp('SOURCE', $token)) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[$k]);
- return $this->parseFrom();
- }elseif (!strcasecmp('WHERE', $token) && !$comma) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[$k]);
- return $this->parseWhere();
- }
- if ($token{0} == '?') {
- $this->parsedQuery['selectVars'][] = $this->_validateVar($token, RDQL_SEL_ERR);
- $commaExpected = TRUE;
- $comma = FALSE;
- }else
- trigger_error(RDQL_SEL_ERR ." '$token' - '?' missing", E_USER_ERROR);
- }
- unset($this->tokens[$k]);
- $this->_clearWhiteSpaces();
- }
- trigger_error(RDQL_SYN_ERR . ': WHERE clause missing', E_USER_ERROR);
- }
-
-
-/**
- * Parse the FROM/SOURCES clause of an Rdql query
- * When the parsing of this clause is finished, parseWhere() will be called.
- *
- * @throws PhpError
- * @access private
- */
- function parseFrom() {
-
- $comma = FALSE;
- $commaExpected = FALSE;
- $i = -1;
- while (current($this->tokens) != NULL) {
-
- $this->_clearWhiteSpaces();
- if (!strcasecmp('WHERE', current($this->tokens)) && count($this->parsedQuery['sources']) != 0) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseWhere();
- }
- if (current($this->tokens) == ',') {
- if ($commaExpected) {
- $comma = TRUE;
- $commaExpected = FALSE;
- unset($this->tokens[key($this->tokens)]);
- }else
- trigger_error(RDQL_SRC_ERR ."',' - unecpected comma", E_USER_ERROR);
- }else{
- $token = current($this->tokens);
- $this->parsedQuery['sources'][++$i]['value'] = $this->_validateURI($token, RDQL_SRC_ERR);
- if ($token{0} != '<')
- $this->parsedQuery['sources'][$i]['is_qname'] = TRUE;
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }
- trigger_error(RDQL_SYN_ERR .': WHERE clause missing', E_USER_ERROR);
- }
-
-
-/**'
- * Parse the WHERE clause of an Rdql query.
- * When the parsing of the WHERE clause is finished, this method will call
- * a suitable method to parse the subsequent clause if provided.
- *
- * @throws PhpError
- * @access private
- */
- function parseWhere() {
-
- $comma = FALSE;
- $commaExpected = FALSE;
- $i=0;
-
- do {
- $this->_clearWhiteSpaces();
- if (!strcasecmp('AND', current($this->tokens))
- && count($this->parsedQuery['patterns']) != 0){
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseAnd();
- }elseif (!strcasecmp('USING', current($this->tokens))
- && count($this->parsedQuery['patterns']) != 0) {
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseUsing();
- }
-
- if (current($this->tokens) == ',') {
- $comma = TRUE;
- $this->_checkComma($commaExpected, RDQL_WHR_ERR);
-
- }else{
-
- if (current($this->tokens) != '(')
- trigger_error(RDQL_WHR_ERR ."'" .current($this->tokens)
- ."' - '(' expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- $this->parsedQuery['patterns'][$i]['subject'] = $this->_validateVarUri(current($this->tokens));
- $this->_checkComma(TRUE, RDQL_WHR_ERR);
- $this->parsedQuery['patterns'][$i]['predicate'] = $this->_validateVarUri(current($this->tokens));
- $this->_checkComma(TRUE, RDQL_WHR_ERR);
- $this->parsedQuery['patterns'][$i++]['object'] = $this->_validateVarUriLiteral(current($this->tokens));
- $this->_clearWhiteSpaces();
-
- if (current($this->tokens) != ')')
- trigger_error(RDQL_WHR_ERR ."'" .current($this->tokens) ."' - ')' expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }while(current($this->tokens) != NULL);
-
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- }
-
-
-/**
- * Parse the AND clause of an Rdql query
- *
- * @throws PhpError
- * @access private
- * @todo clear comments
- */
- function parseAnd() {
-
- $this->_clearWhiteSpaces();
- $n = 0;
- $filterStr = '';
-
- while(current($this->tokens) != NULL) {
- $k = key($this->tokens);
- $token = $this->tokens[$k];
-
- if (!strcasecmp('USING', $token)) {
- $this->parseFilter($n, $filterStr);
- unset($this->tokens[$k]);
- return $this->parseUsing();
- }elseif ($token == ',') {
- $this->parseFilter($n, $filterStr);
- $filterStr = '';
- $token = '';
- ++$n;
- }
- $filterStr .= $token;
- unset($this->tokens[$k]);
- }
- $this->parseFilter($n, $filterStr);
- }
-
-
-/**
- * Parse the USING clause of an Rdql query
- *
- * @throws PhpError
- * @access private
- */
- function parseUsing() {
-
- $commaExpected = FALSE;
- $comma = FALSE;
-
- do {
- $this->_clearWhiteSpaces();
- if (current($this->tokens) == ',') {
- $comma = TRUE;
- $this->_checkComma($commaExpected, RDQL_USG_ERR);
- }else{
- $prefix = $this->_validatePrefix(current($this->tokens));
- $this->_clearWhiteSpaces();
-
- if (strcasecmp('FOR', current($this->tokens)))
- trigger_error(RDQL_USG_ERR ." keyword: 'FOR' missing in the namespace declaration: '", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- $this->parsedQuery['ns'][$prefix] = $this->_validateUri(current($this->tokens), RDQL_USG_ERR);
- $this->_clearWhiteSpaces();
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }while(current($this->tokens) != NULL);
-
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- }
-
-
-/**
- * Check if a filter from the AND clause contains an equal number of '(' and ')'
- * and parse filter expressions.
- *
- * @param integer $n
- * @param string $filter
- * @throws PHPError
- * @access private
- */
- function parseFilter($n, $filter) {
-
- if ($filter == NULL)
- trigger_error(RDQL_AND_ERR ." ',' - unexpected comma", E_USER_ERROR);
- $paren = substr_count($filter, '(') - substr_count($filter, ')');
- if ($paren != 0) {
- if ($paren > 0)
- $errorMsg = "'" .htmlspecialchars($filter) ."' - ')' missing ";
- elseif ($paren < 0)
- $errorMsg = "'" .htmlspecialchars($filter) ."' - too many ')' ";
- trigger_error(RDQL_AND_ERR .$errorMsg, E_USER_ERROR);
- }
-
- $this->parsedQuery['filters'][$n] = $this->parseExpressions($filter);
- }
-
-
-/**
- * Parse expressions inside the passed filter:
- * 1) regex equality expressions: ?var [~~ | =~ | !~ ] REG_EX
- * 2a) string equality expressions: ?var [eq | ne] "literal"@lang^^dtype.
- * 2b) string equality expressions: ?var [eq | ne] or ?var [eq | ne] prefix:local_name
- * 3) numerical expressions: e.q. (?var1 - ?var2)*4 >= 20
- *
- * In cases 1-2 parse each expression of the given filter into an array of variables.
- * For each parsed expression put a place holder (e.g. ##RegEx_1##) into the filterStr.
- * The RDQLengine will then replace each place holder with the outcomming boolean value
- * of the corresponding expression.
- * The remaining filterStr contains only numerical expressions and place holders.
- *
- * @param string $filteStr
- * @return array ['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'QName'| 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['value_dtype_is_qname'] = boolean
- * ['numExpr']['vars'][] = ?VARNAME
- * @access private
- */
- function parseExpressions($filterStr) {
-
- $parsedFilter['string'] = $filterStr;
- $parsedFilter['regexEqExprs'] = array();
- $parsedFilter['strEqExprs'] = array();
- $parsedFilter['numExprVars'] = array();
-
- // parse regex string equality expressions, e.g. ?x ~~ !//foo.com/r!i
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+([~!=]~)\s+(['|\"])?([^\s'\"]+)(['|\"])?/";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $this->_checkRegExQuotation($filterStr, $eqExprs[3][$i], $eqExprs[5][$i]);
- $parsedFilter['regexEqExprs'][$i]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['regexEqExprs'][$i]['operator'] = $eqExprs[2][$i];
- $parsedFilter['regexEqExprs'][$i]['regex'] = $eqExprs[4][$i];
-
- $filterStr = str_replace($eqExpr, " ##RegEx_$i## ", $filterStr);
- }
-
- // parse ?var [eq | ne] "literal"@lang^^dtype
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+(\'[^\']*\'|\"[^\"]*\")";
- $reg_ex .= "(@[a-zA-Z]+)?(\^{2}\S+:?\S+)?/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$i]['var'] = $this->_isDefined($eqExprs[1][$i]);#
- $parsedFilter['strEqExprs'][$i]['operator'] = strtolower($eqExprs[2][$i]);
- $parsedFilter['strEqExprs'][$i]['value'] = trim($eqExprs[3][$i],"'\"");
- $parsedFilter['strEqExprs'][$i]['value_type'] = 'Literal';
- $parsedFilter['strEqExprs'][$i]['value_lang'] = substr($eqExprs[4][$i], 1);
- $dtype = substr($eqExprs[5][$i], 2);
- if ($dtype) {
- $parsedFilter['strEqExprs'][$i]['value_dtype'] = $this->_validateUri($dtype, RDQL_AND_ERR);
- if ($dtype{0} != '<')
- $parsedFilter['strEqExprs'][$i]['value_dtype_is_qname'] = TRUE;
- }else
- $parsedFilter['strEqExprs'][$i]['value_dtype'] = '';
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$i## ", $filterStr);
- }
-
- // parse ?var [eq | ne] ?var
- $ii = count($parsedFilter['strEqExprs']);
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+(\?[a-zA-Z0-9_]+)/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$ii]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['strEqExprs'][$ii]['operator'] = strtolower($eqExprs[2][$i]);
- $parsedFilter['strEqExprs'][$ii]['value'] = $this->_isDefined($eqExprs[3][$i]);
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'variable';
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$ii## ", $filterStr);
- $ii++;
- }
-
- // parse ?var [eq | ne] or ?var [eq | ne] prefix:local_name
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+((<\S+>)|(\S+:\S*))/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$ii]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['strEqExprs'][$ii]['operator'] = strtolower($eqExprs[2][$i]);
- if ($eqExprs[4][$i]) {
- $parsedFilter['strEqExprs'][$ii]['value'] = trim($eqExprs[4][$i], "<>");
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'URI';
- }else if($eqExprs[5][$i]){
- $this->_validateQName($eqExprs[5][$i], RDQL_AND_ERR);
- $parsedFilter['strEqExprs'][$ii]['value'] = $eqExprs[5][$i];
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'QName';
- }
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$ii## ", $filterStr);
- $ii++;
- }
-
- $parsedFilter['evalFilterStr'] = $filterStr;
-
- // all that is left are numerical expressions and place holders for the above expressions
- preg_match_all("/\?[a-zA-Z0-9_]+/", $filterStr, $vars);
- foreach ($vars[0] as $var) {
- $parsedFilter['numExprVars'][] = $this->_isDefined($var);
- }
-
- return $parsedFilter;
- }
-
-
-/**
- * Find all query variables used in the WHERE clause.
- *
- * @return array [] = ?VARNAME
- * @access private
- */
- function findAllQueryVariables() {
-
- $vars = array();
- foreach ($this->parsedQuery['patterns'] as $pattern) {
- $count = 0;
- foreach ($pattern as $v) {
- if ($v['value'] && $v['value']{0} == '?') {
- ++$count;
- if (!in_array($v['value'], $vars))
- $vars[] = $v['value'];
- }
- }
- if (!$count)
- trigger_error(RDQL_WHR_ERR .'pattern contains no variables', E_USER_ERROR);
- }
-
- return $vars;
- }
-
-
-/**
- * Replace all namespace prefixes in the pattern and constraint clause of an rdql query
- * with the namespaces declared in the USING clause and default namespaces.
- *
- * @access private
- */
- function replaceNamespacePrefixes() {
-
- global $default_prefixes;
-
- if (!isset($this->parsedQuery['ns']))
- $this->parsedQuery['ns'] = array();
-
- // add default namespaces
- // if in an rdql query a reserved prefix (e.g. rdf: rdfs:) is used
- // it will be overridden by the default namespace defined in constants.php
- $this->parsedQuery['ns'] = array_merge($this->parsedQuery['ns'], $default_prefixes);
-
- // replace namespace prefixes in the FROM clause
- if (isset($this->parsedQuery['sources']))
- foreach ($this->parsedQuery['sources'] as $n => $source) {
- if (isset($source['is_qname']))
- $this->parsedQuery['sources'][$n] = $this->_replaceNamespacePrefix($source['value'], RDQL_SRC_ERR);
- else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $source['value'] = eregi_replace("$prefix:", $uri, $source['value']);
- $this->parsedQuery['sources'][$n] = $source['value'];
- }
-
- }
-
- // replace namespace prefixes in the where clause
- foreach ($this->parsedQuery['patterns'] as $n => $pattern) {
- foreach ($pattern as $key => $v)
- if ($v['value'] && $v['value']{0} != '?') {
- if (isset($v['is_qname'])) {
- $this->parsedQuery['patterns'][$n][$key]['value']
- = $this->_replaceNamespacePrefix($v['value'], RDQL_WHR_ERR);
- unset($this->parsedQuery['patterns'][$n][$key]['is_qname']);
- } else { // is quoted URI (== ) or Literal
- if (isset($this->parsedQuery['patterns'][$n][$key]['is_literal'])) {
- if (isset($this->parsedQuery['patterns'][$n][$key]['l_dtype_is_qname'])) {
- $this->parsedQuery['patterns'][$n][$key]['l_dtype']
- = $this->_replaceNamespacePrefix($v['l_dtype'], RDQL_WHR_ERR);
- unset($this->parsedQuery['patterns'][$n][$key]['l_dtype_is_qname']);
- }else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['patterns'][$n][$key]['l_dtype']
- = eregi_replace("$prefix:", $uri, $this->parsedQuery['patterns'][$n][$key]['l_dtype']);
- }
- }else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['patterns'][$n][$key]['value']
- = eregi_replace("$prefix:", $uri, $this->parsedQuery['patterns'][$n][$key]['value']);
- }
- }
- }
- }
-
- // replace prefixes in the constraint clause
- if (isset($this->parsedQuery['filters']))
- foreach ($this->parsedQuery['filters'] as $n => $filter)
- foreach ($filter['strEqExprs'] as $i => $expr) {
- if ($expr['value_type'] == 'QName') {
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']
- = $this->_replaceNamespacePrefix($expr['value'], RDQL_AND_ERR);
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_type'] = 'URI';
- }
- if ($expr['value_type'] == 'URI')
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']
- = eregi_replace("$prefix:", $uri,
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']);
- elseif ($expr['value_type'] == 'Literal') {
- if (isset($expr['value_dtype_is_qname'])) {
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']
- = $this->_replaceNamespacePrefix($expr['value_dtype'], RDQL_AND_ERR);
- unset($this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype_is_qname']);
- } else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']
- = eregi_replace("$prefix:", $uri,
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']);
- }
- }
- }
-
- unset($this->parsedQuery['ns']);
- }
-
-
-// =============================================================================
-// *************************** helper functions ********************************
-// =============================================================================
-
-
-/**
- * Remove whitespace-tokens from the array $this->tokens
- *
- * @access private
- */
- function _clearWhiteSpaces() {
-
- while (current($this->tokens) == ' ' ||
- current($this->tokens) == "\n" ||
- current($this->tokens) == "\t" ||
- current($this->tokens) == "\r")
-
- unset($this->tokens[key($this->tokens)]);
- }
-
-
-/**
- * Check if the query string of the given clause contains an undesired ','.
- * If a comma was correctly placed then remove it and clear all whitespaces.
- *
- * @param string $commaExpected
- * @param string $clause_error
- * @throws PHPError
- * @access private
- */
- function _checkComma($commaExpected, $clause_error) {
-
- $this->_clearWhiteSpaces();
- if (current($this->tokens) == ',') {
- if (!$commaExpected)
- trigger_error($clause_error ."',' - unexpected comma", E_USER_ERROR);
- else {
- unset($this->tokens[key($this->tokens)]);
- $this->_checkComma(FALSE, $clause_error);
- }
- }
- }
-
-
-/**
- * Check if the given token is either a variable (?var) or the first token of an URI ().
- * In case of an URI this function returns the whole URI string.
- *
- * @param string $token
- * @return array ['value'] = string
- * @throws PHPError
- * @access private
- */
- function _validateVarUri($token) {
-
- if ($token{0} == '?') {
- $token_res['value'] = $this->_validateVar($token, RDQL_WHR_ERR);
- } else {
- $token_res['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- if ($token{0} != '<')
- $token_res['is_qname'] = TRUE;
- }
- return $token_res;
- }
-
-
-/**
- * Check if the given token is either a variable (?var) or the first token
- * of either an URI () or a literal ("Literal").
- * In case of a literal return an array with literal properties (value, language, datatype).
- * In case of a variable or an URI return only ['value'] = string.
- *
- * @param string $token
- * @return array ['value'] = string
- * ['is_qname'] = boolean
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @throws PHPError
- * @access private
- */
- function _validateVarUriLiteral($token) {
-
- if ($token{0} == '?')
- $statement_object['value'] = $this->_validateVar($token, RDQL_WHR_ERR);
- elseif ($token{0} == "'" || $token{0} == '"')
- $statement_object = $this->_validateLiteral($token);
- elseif ($token{0} == '<')
- $statement_object['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- elseif (ereg(':', $token)) {
- $statement_object['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- $statement_object['is_qname'] = TRUE;
- }else
- trigger_error(RDQL_WHR_ERR ." '$token' - ?Variable, <URI>, QName, or \"LITERAL\" expected", E_USER_ERROR);
- return $statement_object;
- }
-
-
-/**
- * Check if the given token is a valid variable name (?var).
- *
- * @param string $token
- * @param string $clause_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validateVar($token, $clause_error) {
-
- preg_match("/\?[a-zA-Z0-9_]+/", $token, $match);
- if (!isset($match[0]) || $match[0] != $token)
- trigger_error($clause_error ."'" .htmlspecialchars($token)
- ."' - variable name contains illegal characters", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $token;
- }
-
-
-/**
- * Check if $token is the first token of a valid URI () and return the whole URI string
- *
- * @param string $token
- * @param string $clause_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validateUri($token, $clause_error) {
-
- if ($token{0} != '<') {
- if (strpos($token, ':') && $this->_validateQName($token, $clause_error)) {
- unset($this->tokens[key($this->tokens)]);
- return rtrim($token, ':');
- }
- $errmsg = $clause_error .'\'' .htmlspecialchars($token) .'\' ';
- if ($clause_error == RDQL_WHR_ERR)
- $errmsg .= "- ?Variable or <URI> or QName expected";
- else
- $errmsg .= "- <URI> or QName expected";
- trigger_error($errmsg, E_USER_ERROR);
- }else{
- $token_res = $token;
- while($token{strlen($token)-1} != '>' && $token != NULL) {
- if ($token == '(' || $token == ')' || $token == ',' ||
- $token == ' ' || $token == "\n" || $token == "\r") {
- trigger_error($clause_error .'\'' .htmlspecialchars($token_res)
- ."' - illegal input: '$token' - '>' missing", E_USER_ERROR);
- }
- unset($this->tokens[key($this->tokens)]);
- $token = current($this->tokens);
- $token_res .= $token;
- }
- if ($token == NULL)
- trigger_error($clause_error .'\'' .htmlspecialchars($token_res) ."' - '>' missing", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return trim($token_res, '<>');
- }
- }
-
-
-/**
- * Check if $token is the first token of a valid literal ("LITERAL") and
- * return an array with literal properties (value, language, datatype).
- *
- * @param string $token
- * @return array ['value'] = string
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['l_dtype_is_qname'] = boolean
- * @throws PHPError
- * @access private
- */
- function _validateLiteral($token) {
-
- $quotation_mark = $token{0};
- $statement_object = array ('value' => '',
- 'is_literal' => TRUE,
- 'l_lang' => '',
- 'l_dtype' => '');
- $this->tokens[key($this->tokens)] = substr($token,1);
-
- $return = FALSE;
- foreach ($this->tokens as $k => $token) {
-
- if ($token != NULL && $token{strlen($token)-1} == $quotation_mark) {
- $token = rtrim($token, $quotation_mark);
- $return = TRUE;
-
- // parse @language(^^datatype)?
- }elseif (strpos($token, $quotation_mark .'@') || substr($token, 0, 2) == $quotation_mark .'@') {
- $lang = substr($token, strpos($token, $quotation_mark .'@')+2);
- if (strpos($lang, '^^') || substr($lang, 0,2) == '^^') {
- $dtype = substr($lang, strpos($lang, '^^')+2);
- if (!$dtype)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - datatype expected" ,E_USER_ERROR);
-
- $statement_object['l_dtype'] = $this->_validateUri($dtype, RDQL_WHR_ERR);
- if ($dtype{0} != '<')
- $statement_object['l_dtype_is_qname'] = TRUE;
-
- $lang = substr($lang, 0, strpos($lang, '^^'));
- }
- if (!$lang)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - language expected" ,E_USER_ERROR);
- $statement_object['l_lang'] = $lang;
- $token = substr($token, 0, strpos($token, $quotation_mark .'@'));
- $return = TRUE;
-
- // parse ^^datatype
- }elseif (strpos($token, $quotation_mark .'^^') || substr($token, 0, 3) == $quotation_mark .'^^') {
- $dtype = substr($token, strpos($token, $quotation_mark .'^^')+3);
- if (!$dtype)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - datatype expected" ,E_USER_ERROR);
-
- $statement_object['l_dtype'] = $this->_validateUri($dtype, RDQL_WHR_ERR);
- if ($dtype{0} != '<')
- $statement_object['l_dtype_is_qname'] = TRUE;
-
- $token = substr($token, 0, strpos($token, $quotation_mark .'^^'));
- $return = TRUE;
- }elseif (strpos($token, $quotation_mark))
- trigger_error(RDQL_WHR_ERR ."'$token' - illegal input", E_USER_ERROR);
- $statement_object['value'] .= $token;
- unset($this->tokens[$k]);
- if ($return)
- return $statement_object;
- }
- trigger_error(RDQL_WHR_ERR ."quotation end mark: $quotation_mark missing", E_USER_ERROR);
- }
-
-
-/**
- * Check if the given token is a valid QName.
- *
- * @param string $token
- * @param string $clause_error
- * @return boolean
- * @throws PHPError
- * @access private
- */
-function _validateQName($token, $clause_error) {
-
- $parts = explode(':', $token);
- if (count($parts) > 2)
- trigger_error($clause_error ."illegal QName: '$token'", E_USER_ERROR);
- if (!$this->_validateNCName($parts[0]))
- trigger_error($clause_error ."illegal prefix in QName: '$token'", E_USER_ERROR);
- if ($parts[1] && !$this->_validateNCName($parts[1]))
- trigger_error($clause_error ."illegal local part in QName: '$token'", E_USER_ERROR);
-
- return TRUE;
-}
-
-
-/**
- * Check if the given token is a valid NCName.
- *
- * @param string $token
- * @return boolean
- * @access private
- */
-function _validateNCName($token) {
-
- preg_match("/[a-zA-Z_]+[a-zA-Z_0-9.\-]*/", $token, $match);
- if (isset($match[0]) && $match[0] == $token)
- return TRUE;
- return FALSE;
-}
-
-
-/**
- * Check if the given token is a valid namespace prefix.
- *
- * @param string $token
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validatePrefix($token) {
-
- if (!$this->_validateNCName($token))
- trigger_error(RDQL_USG_ERR ."'" .htmlspecialchars($token)
- ."' - illegal input, namespace prefix expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $token;
- }
-
-/**
- * Replace a prefix in a given QName and return a full URI.
- *
- * @param string $qName
- * @param string $clasue_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _replaceNamespacePrefix($qName, $clause_error) {
-
- $qName_parts = explode(':', $qName);
- if (!array_key_exists($qName_parts[0], $this->parsedQuery['ns']))
- trigger_error($clause_error .'undefined prefix: \'' .$qName_parts[0] .'\' in: \'' .$qName .'\'', E_USER_ERROR);
- return $this->parsedQuery['ns'][$qName_parts[0]] .$qName_parts[1];
- }
-
-
-/**
- * Check if all variables from the SELECT clause are defined in the WHERE clause
- *
- * @access private
- */
- function _checkSelectVars() {
-
- foreach ($this->parsedQuery['selectVars'] as $var)
- $this->_isDefined($var);
- }
-
-
-/**
- * Check if the given variable is defined in the WHERE clause.
- *
- * @param $var string
- * @return string
- * @throws PHPError
- * @access private
- */
- function _isDefined($var) {
-
- $allQueryVars = $this->findAllQueryVariables();
-
- if (!in_array($var, $allQueryVars))
- trigger_error(RDQL_SYN_ERR .": '$var' - variable must be defined in the WHERE clause", E_USER_ERROR);
- return $var;
- }
-
-
-/**
- * Throw an error if the regular expression from the AND clause is not quoted.
- *
- * @param string $filterString
- * @param string $lQuotMark
- * @param string $rQuotMark
- * @throws PHPError
- * @access private
- */
- function _checkRegExQuotation($filterString, $lQuotMark, $rQuotMark) {
-
- if (!$lQuotMark)
- trigger_error(RDQL_AND_ERR ."'$filterString' - regular expressions must be quoted", E_USER_ERROR);
-
- if ($lQuotMark != $rQuotMark)
- trigger_error(RDQL_AND_ERR ."'$filterString' - quotation end mark in the regular expression missing", E_USER_ERROR);
- }
-
-} // end: Class RdqlParser
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlResultIterator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlResultIterator.php.svn-base
deleted file mode 100755
index f8ca8856..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/.svn/text-base/RdqlResultIterator.php.svn-base
+++ /dev/null
@@ -1,193 +0,0 @@
-, Chris Bizer
- *
- * @package rdql
- * @access public
- *
- */
- class RdqlResultIterator extends Object {
-
- /**
- * Reference to the Rdql result
- * @var array RdqlResult
- * @access private
- */
- var $RdqlResult;
-
- /**
- * Current position
- * RdqlResultIterator does not use the build in PHP array iterator,
- * so you can use serveral iterators on a single Rdql result.
- * @var integer
- * @access private
- */
- var $position;
-
-
- /**
- * Constructor
- *
- * @param object RdqlResult
- * @access public
- */
- function RdqlResultIterator(&$RdqlResult) {
-
- $noResult = TRUE;
- foreach($RdqlResult[0] as $value)
- if ($value != NULL) {
- $noResult = FALSE;
- break;
- }
-
- if($noResult)
- $this->RdqlResult = NULL;
- else
- $this->RdqlResult = $RdqlResult;
-
- $this->position = -1;
- }
-
- /**
- * Returns the labels of the result as array.
- * @return array of strings with the result labels OR null if there are no results.
- * @access public
- */
- function getResultLabels() {
- if(count($this->RdqlResult)>0) {
- return array_keys($this->RdqlResult[0]);
- } else return null;
- }
-
- /**
- * Returns the number of results.
- * @return integer
- * @access public
- */
- function countResults() {
-
- return count($this->RdqlResult);
-
- }
- /**
- * Returns TRUE if there are more results.
- * @return boolean
- * @access public
- */
- function hasNext() {
- if ($this->position < count($this->RdqlResult) - 1 ) {
- return TRUE;
- } else {
- return FALSE;
- }
- }
-
- /**
- * Returns TRUE if the first result has not been reached.
- * @return boolean
- * @access public
- */
- function hasPrevious() {
- if ($this->position > 0) {
- return TRUE;
- } else {
- return FALSE;
- } }
-
- /**
- * Returns the next result array.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function next($element = null) {
- if ($this->position < count($this->RdqlResult) - 1) {
- $this->position++;
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Returns the previous result.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function previous($element = null) {
- if ($this->position > 0) {
- $this->position--;
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Returns the current result.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function current($element = null) {
- if (($this->position >= 0) && ($this->position < count($this->RdqlResult))) {
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Moves the pointer to the first result.
- * @return void
- * @access public
- */
- function moveFirst() {
- $this->position = 0;
- }
-
- /**
- * Moves the pointer to the last result.
- * @return void
- * @access public
- */
- function moveLast() {
- $this->position = count($this->RdqlResult) - 1;
- }
-
- /**
- * Moves the pointer to a specific result.
- * If you set an off-bounds value, next(), previous() and current() will return NULL
- * @return void
- * @access public
- */
- function moveTo($position) {
- $this->position = $position;
- }
-
- /**
- * Returns the current position of the iterator.
- * @return integer
- * @access public
- */
- function getCurrentPosition() {
- return $this->position;
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RDQL.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RDQL.php
deleted file mode 100755
index 2761ca62..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RDQL.php
+++ /dev/null
@@ -1,17 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlDbEngine.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlDbEngine.php
deleted file mode 100755
index 5e1899d6..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlDbEngine.php
+++ /dev/null
@@ -1,506 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlDbEngine extends RdqlEngine {
-
-
-/**
- * Parsed query variables and constraints.
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][] = URI
- * ['patterns'][]['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['numExpr']['vars'][] = ?VARNAME
- * ( [] stands for an integer index - 0..N )
- * @access private
- */
- var $parsedQuery;
-
-
-/**
- * When an RDQL query is performed on a DbModel, in first step the engine searches
- * in database for triples matching the Rdql-WHERE clause. A recordSet is returned.
- * $rsIndexes maps select and filter variables to their corresponding indexes
- * in the returned recordSet.
- *
- * @var array [?VARNAME]['value'] = integer
- * ['nType'] = integer
- * ['l_lang'] = integer
- * ['l_dtype'] = integer
- * @access private
- */
- var $rsIndexes;
-
-
- /**
- * Perform an RDQL Query on the given DbModel.
- *
- * @param object DbModel $dbModel
- * @param array &$parsedQuery (the same format as $this->parsedQuery)
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- * @access public
- */
- function & queryModel(&$dbModel, &$parsedQuery, $returnNodes = TRUE) {
-
- $this->parsedQuery = &$parsedQuery;
-
- $sql = $this->generateSql($dbModel->modelID);
- $recordSet =& $dbModel->dbConn->execute($sql);
- $queryResult = $this->filterQueryResult($recordSet);
-
- if ($returnNodes)
- $ret = $this->toNodes($queryResult);
- else
- $ret = $this->toString($queryResult);
- return $ret;
- }
-
-
- /**
- * Generate an SQL string to query the database for tuples matching all patterns
- * of $parsedQuery.
- *
- * @param integer $modelID
- * @return string
- * @access private
- */
- function generateSql($modelID) {
-
- $sql = $this->generateSql_SelectClause();
- $sql .= $this->generateSql_FromClause();
- $sql .= $this->generateSql_WhereClause($modelID);
- return $sql;
- }
-
-
-/**
- * Generate SQL SELECT clause.
- *
- * @return string
- * @throws PHPError
- * @access private
- */
- function generateSql_SelectClause() {
-
- $sql_select = 'SELECT';
- $index = 0;
- $this->rsIndexes = array();
-
- foreach ($this->parsedQuery['selectVars'] as $var)
- $sql_select .= $this->_generateSql_SelectVar($var, $index);
-
- if (isset($this->parsedQuery['filters'])) {
- foreach ($this->parsedQuery['filters'] as $n => $filter) {
-
- // variables from numeric expressions
- foreach ($filter['numExprVars'] as $numVar)
- $sql_select .= $this->_generateSql_SelectVar($numVar, $index);
-
- // variables from regex equality expressions
- foreach ($filter['regexEqExprs'] as $regexEqExpr)
- $sql_select .= $this->_generateSql_SelectVar($regexEqExpr['var'], $index);
-
- // variables from string equality expressions
- foreach ($filter['strEqExprs'] as $strEqVar)
- $sql_select .= $this->_generateSql_SelectVar($strEqVar['var'], $index);
- }
- }
-
- return rtrim($sql_select, " , ");
- }
-
-
-/**
- * Generate SQL FROM clause
- *
- * @return string
- * @access private
- */
- function generateSql_FromClause() {
-
- $sql_from = ' FROM';
- foreach ($this->parsedQuery['patterns'] as $n => $v)
- $sql_from .= ' statements s' .($n+1) .' , ';
-
- return rtrim($sql_from, ' , ');
- }
-
-
-/**
- * Generate an SQL WHERE clause
- *
- * @param integer $modelID
- * @return string
- * @access private
- */
- function generateSql_WhereClause($modelID) {
-
- $sql_where = ' WHERE';
- $count_patterns = count($this->parsedQuery['patterns']);
- foreach ($this->parsedQuery['patterns'] as $n => $pattern) {
- $sql_where .= ' s' .($n+1) .'.modelID=' .$modelID .' AND';
- foreach ($pattern as $key => $val_1)
- if ($val_1['value'] && $val_1['value']{0}=='?') {
- $sql_tmp = ' s' .($n+1) .'.' .$key .'=';
- // find internal bindings
- switch ($key) {
- case 'subject':
- if ($pattern['subject']['value'] == $pattern['predicate']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.predicate AND';
- elseif ($pattern['subject']['value'] == $pattern['object']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.object AND';
- break;
- case 'predicate':
- if ($pattern['predicate']['value'] == $pattern['object']['value'])
- $sql_where .= $sql_tmp .'s' .($n+1) .'.object AND';
- }
- // find external bindings
- for ($i=$n+1; $i<$count_patterns; $i++)
- foreach ($this->parsedQuery['patterns'][$i] as $key2 => $val_2)
- if ($val_1['value']==$val_2['value']) {
- $sql_where .= $sql_tmp .'s' .($i+1) .'.' .$key2 .' AND';
- break 2;
- }
- }else {
- $sql_where .= ' s' .($n+1) .'.' .$key ."='" .$val_1['value'] ."' AND";
- if ($key == 'object' && isset($val_1['is_literal'])) {
- $sql_where .= ' s' .($n+1) .".object_is='l' AND";
- $sql_where .= ' s' .($n+1) .".l_datatype='" .$val_1['l_dtype'] ."' AND";
- $sql_where .= ' s' .($n+1) .".l_language='" .$val_1['l_lang'] ."' AND";
- }
- }
- }
- return rtrim($sql_where, ' AND');
- }
-
-
-/**
- * Filter tuples containing variables matching all patterns from the WHERE clause
- * of an RDQL query. As a result of a database query using ADOdb these tuples
- * are returned as an ADORecordSet object, which is then passed to this function.
- *
- * @param object ADORecordSet &$recordSet
- * @return array [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @access private
- */
- function filterQueryResult(&$recordSet) {
- $queryResult=array();
-
- if (isset($this->parsedQuery['filters'])) {
-
- while (!$recordSet->EOF) {
-
- foreach ($this->parsedQuery['filters'] as $filter) {
-
- $evalFilterStr = $filter['evalFilterStr'];
-
- // evaluate regex equality expressions of each filter
- foreach ($filter['regexEqExprs'] as $i => $expr) {
- preg_match($expr['regex'], $recordSet->fields[$this->rsIndexes[$expr['var']]['value']], $match);
- $op = substr($expr['operator'], 0,1);
- if (($op != '!' && !isset($match[0])) || ($op == '!' && isset($match[0])))
- $evalFilterStr = str_replace("##RegEx_$i##", 'FALSE', $evalFilterStr);
- else
- $evalFilterStr = str_replace("##RegEx_$i##", 'TRUE', $evalFilterStr);
- }
-
- // evaluate string equality expressions
- foreach ($filter['strEqExprs'] as $i => $expr) {
-
- $exprBoolVal = 'FALSE';
-
- switch ($expr['value_type']) {
-
- case 'variable':
- if (($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] ==
- $recordSet->fields[$this->rsIndexes[$expr['value']]['value']] &&
- $expr['operator'] == 'eq') ||
- ($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] !=
- $recordSet->fields[$this->rsIndexes[$expr['value']]['value']] &&
- $expr['operator'] == 'ne'))
-
- $exprBoolVal = 'TRUE';
- break;
-
- case 'URI':
-
- if (isset($this->rsIndexes[$expr['var']]['nType']) &&
- $recordSet->fields[$this->rsIndexes[$expr['var']]['nType']] == 'l') {
-
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- if (($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] ==
- $expr['value'] && $expr['operator'] == 'eq') ||
- ($recordSet->fields[$this->rsIndexes[$expr['var']]['value']] !=
- $expr['value'] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'Literal':
-
- if (!isset($this->rsIndexes[$expr['var']]['nType']) ||
- $recordSet->fields[$this->rsIndexes[$expr['var']]['nType']] != 'l') {
-
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- $filterLiteral= new Literal($expr['value'],$expr['value_lang']);
- $filterLiteral->setDatatype($expr['value_dtype']);
-
- $resultLiteral=new Literal($recordSet->fields[$this->rsIndexes[$expr['var']]['value']]);
- $resultLiteral->setDatatype($recordSet->fields[$this->rsIndexes[$expr['var']]['l_dtype']]);
- $resultLiteral->setLanguage($recordSet->fields[$this->rsIndexes[$expr['var']]['l_lang']]);
-
- $equal=$resultLiteral->equals($filterLiteral);
-
- if (($equal && $expr['operator'] == 'eq') ||
- (!$equal && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- else
- $exprBoolVal = 'FALSE';
-
- }
-
- $evalFilterStr = str_replace("##strEqExpr_$i##", $exprBoolVal, $evalFilterStr);
- }
-
- // evaluate numerical expressions
- foreach ($filter['numExprVars'] as $varName) {
- $varValue = "'" .$recordSet->fields[$this->rsIndexes[$varName]['value']] ."'";
- $evalFilterStr = str_replace($varName, $varValue, $evalFilterStr);
- }
-
- eval("\$filterBoolVal = $evalFilterStr; \$eval_filter_ok = TRUE;");
- if (!isset($eval_filter_ok))
- trigger_error(RDQL_AND_ERR ."'" .htmlspecialchars($filter['string']) ."'", E_USER_ERROR);
-
- if (!$filterBoolVal) {
- $recordSet->MoveNext();
- continue 2;
- }
-
- }
- $queryResult[] = $this->_convertRsRowToQueryResultRow($recordSet->fields);
- $recordSet->MoveNext();
- }
-
- }else
- while (!$recordSet->EOF) {
- $queryResult[] = $this->_convertRsRowToQueryResultRow($recordSet->fields);
- $recordSet->MoveNext();
- }
- return $queryResult;
- }
-
-
-/**
- * Serialize variable values of $queryResult to string.
- *
- * @param array &$queryResult [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = string
- * @access private
- */
- function toString(&$queryResult) {
-
- // if a result set is empty return only variable sames
- if (count($queryResult) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $res[0][$selectVar] = NULL;
- return $res;
- }
-
- $res = array();
- foreach ($queryResult as $n => $var)
- foreach ($var as $varname => $varProperties)
- if ($varProperties['nType'] == 'r' || $varProperties['nType'] == 'b')
- $res[$n][$varname] = '<' .$varProperties['value'] .'>';
- else {
- $res[$n][$varname] = '"' .$varProperties['value'] .'"';
- if ($varProperties['l_lang'] != NULL)
- $res[$n][$varname] .= ' (xml:lang="' .$varProperties['l_lang'] .'")';
- if ($varProperties['l_dtype'] != NULL)
- $res[$n][$varname] .= ' (rdf:datatype="' .$varProperties['l_dtype'] .'")';
- }
- return $res;
- }
-
-
-/**
- * Convert variable values of $queryResult to objects (Node).
- *
- * @param array &$queryResult [][?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function toNodes(&$queryResult) {
-
- // if a result set is empty return only variable sames
- if (count($queryResult) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $res[0][$selectVar] = NULL;
- return $res;
- }
-
- $res = array();
- foreach ($queryResult as $n => $var)
- foreach ($var as $varname => $varProperties)
- if ($varProperties['nType'] == 'r')
- $res[$n][$varname] = new Resource($varProperties['value']);
- elseif ($varProperties['nType'] == 'b')
- $res[$n][$varname] = new BlankNode($varProperties['value']);
- else {
- $res[$n][$varname] = new Literal($varProperties['value'], $varProperties['l_lang']);
- if ($varProperties['l_dtype'] != NULL)
- $res[$n][$varname]->setDataType($varProperties['l_dtype']);
- }
- return $res;
- }
-
-
-/**
- * Generate a piece of an sql select statement for a variable.
- * Look first if the given variable is defined as a pattern object.
- * (So you can select the node type, literal lang and dtype)
- * If not found - look for subjects and select node label and type.
- * If there is no result either go to predicates.
- * Predicates are always resources therefore select only the node label.
- *
- * @param string $varName
- * @return string
- * @access private
- */
-function _generateSql_SelectVar ($varName, &$index) {
-
- $sql_select = '';
-
- if (array_key_exists($varName, $this->rsIndexes))
- return NULL;
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['object']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".object as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
- // select the node type
- $sql_select .= " s" .$n .".object_is , ";
- $this->rsIndexes[$varName]['nType'] = $index++;
- // select the object language
- $sql_select .= " s" .$n .".l_language , ";
- $this->rsIndexes[$varName]['l_lang'] = $index++;
- // select the object dtype
- $sql_select .= " s" .$n .".l_datatype , ";
- $this->rsIndexes[$varName]['l_dtype'] = $index++;
-
- return $sql_select;
- }
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['subject']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".subject as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
- // select the node type
- $sql_select .= " s" .$n .".subject_is , ";
- $this->rsIndexes[$varName]['nType'] = $index++;
-
- return $sql_select;
- }
-
- foreach ($this->parsedQuery['patterns'] as $n => $pattern)
- if ($varName == $pattern['predicate']['value']) {
-
- // select the object label
- $sql_select .= " s" .++$n .".predicate as _" .ltrim($varName, "?") ." , ";
- $this->rsIndexes[$varName]['value'] = $index++;
-
- return $sql_select;
- }
- }
-
-
-/**
- * Converts a single row of ADORecordSet->fields array to the format of
- * $queryResult array using pointers to indexes ($this->rsIndexes) in RecordSet->fields.
- *
- * @param array &$record [] = string
- * @return array [?VARNAME]['value'] = string
- * ['nType'] = string
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @access private
- */
- function _convertRsRowToQueryResultRow(&$record) {
-
- // return only select variables (without conditional variables from the AND clause)
- foreach ($this->parsedQuery['selectVars'] as $selectVar) {
- $resultRow[$selectVar]['value'] = $record[$this->rsIndexes[$selectVar]['value']];
- if (isset($this->rsIndexes[$selectVar]['nType']))
- $resultRow[$selectVar]['nType'] = $record[$this->rsIndexes[$selectVar]['nType']];
- // is a predicate then
- else
- $resultRow[$selectVar]['nType'] = 'r';
-
- if ($resultRow[$selectVar]['nType'] == 'l') {
- $resultRow[$selectVar]['l_lang'] = $record[$this->rsIndexes[$selectVar]['l_lang']];
- $resultRow[$selectVar]['l_dtype'] = $record[$this->rsIndexes[$selectVar]['l_dtype']];
- }
- }
- return $resultRow;
- }
-
-} // end: Class RdqlDbEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlEngine.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlEngine.php
deleted file mode 100755
index 117228cf..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlEngine.php
+++ /dev/null
@@ -1,69 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlEngine extends Object{
-
-
-
-/**
- * Prints a query result as HTML table.
- * You can change the colors in the configuration file.
- *
- * @param array $queryResult [][?VARNAME] = object Node
- * @access private
- */
- function writeQueryResultAsHtmlTable($queryResult) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- if (current($queryResult[0]) == NULL) {
- echo 'no match
';
- return;
- }
-
- echo '| No. | ';
- foreach ($queryResult[0] as $varName => $value)
- echo "$varName | ";
- echo '
';
-
- foreach ($queryResult as $n => $var) {
-
-
- echo '| ' .($n + 1) .'. | ';
- foreach ($var as $varName => $value) {
- echo INDENTATION . INDENTATION . '';
- echo ' ';
-
- $lang = NULL;
- $dtype = NULL;
- if (is_a($value, 'Literal')) {
- if ($value->getLanguage() != NULL)
- $lang = ' (xml:lang="' . $value->getLanguage() . '") ';
- if ($value->getDatatype() != NULL)
- $dtype = ' (rdf:datatype="' . $value->getDatatype() . '") ';
- }
- echo RDFUtil::getNodeTypeName($value) .$value->getLabel() . $lang . $dtype .' ';
- }
- echo ' |
';
- }
- echo '
';
- }
-
-} // end: Class RdqlEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlMemEngine.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlMemEngine.php
deleted file mode 100755
index bcaa02e4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlMemEngine.php
+++ /dev/null
@@ -1,555 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-Class RdqlMemEngine extends RdqlEngine {
-
-
-/**
- * Parsed query variables and constraints.
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][] = URI
- * ['patterns'][]['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['numExpr']['vars'][] = ?VARNAME
- * ( [] stands for an integer index - 0..N )
- * @access private
- */
- var $parsedQuery;
-
-
- /**
- * Perform an RDQL Query on the given MemModel.
- *
- * @param object MemModel &$memModel
- * @param array &$parsedQuery (the same format as $this->parsedQuery)
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- * @access public
- */
- function & queryModel(&$memModel, &$parsedQuery, $returnNodes = TRUE) {
-
- $this->parsedQuery = $parsedQuery;
-
- // find tuples matching all patterns
- $res = $this->findTuplesMatchingAllPatterns($memModel);
-
- // filter tuples
- if (isset($parsedQuery['filters']))
- $res = $this->filterTuples($res);
-
- // select variables to be returned
- $res = $this->selectVariables($res);
-
- if(!$returnNodes)
- return $this->toString($res);
-
- return $res;
- }
-
-
- /**
- * Find triples matching all patterns of an RDQL query and return an array
- * with variables from all patterns and their corresponding values.
- * The variable values returned are instances of object Node.
- *
- * @param object MemModel &$memModel
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function findTuplesMatchingAllPatterns(&$memModel) {
-
- $resultSet = $this->findTuplesMatchingOnePattern($memModel, $this->parsedQuery['patterns'][0]);
- for ($i=1; $iparsedQuery['patterns']); $i++) {
- $rs = $this->findTuplesMatchingOnePattern($memModel, $this->parsedQuery['patterns'][$i]);
- $resultSet = $this->joinTuples($resultSet, $rs);
- }
- return $resultSet;
- }
-
-
-/**
- * Find tuples matching one pattern and return an array with pattern
- * variables and their corresponding values (instances of object Node).
- *
- * @param object MemModel &$memModel
- * @param array &$pattern ['subject']['value'] = VARorURI
- * ['predicate']['value'] = VARorURI
- * ['object']['value'] = VARorURIorLiterl
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function findTuplesMatchingOnePattern(&$memModel, &$pattern) {
-
- $resultSet = array();
- $i = 0;
- // parameters to be passed to the method findTriplesMatchingPattern
- foreach ($pattern as $key => $v) {
- if ($v['value'] && $v['value']{0} == '?') {
- if ($key == 'object') {
- $param['object']['is_a'] = 'ANY';
- $param['object']['string'] = 'ANY';
- $param['object']['lang'] = NULL;
- $param['object']['dtype'] = NULL;
- } else
- $param[$key] = 'ANY';
- $var[$i]['key'] = $key;
- $var[$i++]['val'] = $v['value'];
- }else
- if (isset($v['is_literal'])) {
- $param[$key]['is_a'] = 'Literal';
- $param[$key]['string'] = $v['value'];
- $param[$key]['lang'] = $v['l_lang'];
- $param[$key]['dtype'] = $v['l_dtype'];
- }else{
- if ($key == 'object') {
- $param[$key]['is_a'] = 'Resource';
- $param[$key]['string'] = $v['value'];
- $param[$key]['lang'] = NULL;
- $param[$key]['dtype'] = NULL;
- }else
- $param[$key] = $v['value'];
- }
- }
-
- // find pattern internal bindings e.g. (?x, ?z, ?x)
- $intBindings = NULL;
- for ($i=0; $i $v)
- if ($i != $n && $var[$i]['val'] == $v['val'])
- $intBindings[] = $var[$i]['key'];
-
- // find triples of the $memModel matching $pattern
- $resModel = $this->findTriplesMatchingPattern($memModel, $param['subject'],
- $param['predicate'],
- $param['object']['is_a'],
- $param['object']['string'],
- $param['object']['lang'],
- $param['object']['dtype'],
- $intBindings);
-
- // set values of the pattern variables to be returned
- if ($pattern['subject']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['subject']['value']] = $triple->subj;
- }
- if ($pattern['predicate']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['predicate']['value']] = $triple->pred;
- }
- if ($pattern['object']['value'] && $pattern['object']['value']{0} == '?') {
- $n = 0;
- foreach ($resModel->triples as $triple)
- $resultSet[$n++][$pattern['object']['value']] = $triple->obj;
- }
- return $resultSet;
- }
-
-
-/**
- * Search in $memModel for triples matching one pattern from the WHERE clause.
- * 'ANY' input for $subjLabel..$objLabel, $obj_is will match anything.
- * NULL input for $objDtype will only match obj->dtype = NULL
- * NULL input for $objLanguage will match obj->lang = NULL or anything if a
- * literal is datatyped (except for XMLLiterals and plain literals)
- * This method also checks internal bindings if provided.
- *
- * @param object MemModel $memModel
- * @param string $subjLabel
- * @param string $predLabel
- * @param string $objLabel
- * @param string $obj_is
- * @param string $objLanguage
- * @param string $objDtype
- * @param array $intBindings [] = string
- * @return object MemModel
- * @access private
- */
- function findTriplesMatchingPattern(&$memModel, $subjLabel, $predLabel, $obj_is,
- $objLabel, $objLang, $objDtype, &$intBindings) {
-
- $res = new MemModel();
-
- if($memModel->isEmpty())
- return $res;
-
- if ($subjLabel=='ANY')
- {
- $subj=NULL;
- } else
- {
- $subj=new Resource($subjLabel);
- };
- if ($predLabel=='ANY')
- {
- $pred=NULL;
- } else
- {
- $pred=new Resource($predLabel);
- };
-
- if ($objLabel=='ANY')
- {
- $obj=NULL;
- } else
- {
- if ($obj_is == 'Literal')
- {
- $obj=new Literal($objLabel);
- $obj->setDatatype($objDtype);
- $obj->setLanguage($objLang);
- } else {
- $obj=new Resource($objLabel);
- }
- };
-
- $res=$memModel->find($subj,$pred,$obj);
-
- if ($intBindings)
- foreach ($res->triples as $triple)
- {
- if (!$this->_checkIntBindings($triple, $intBindings))
- {
- $res->remove($triple);
- }
- }
-
- return $res;
-}
-
-
-/**
- * Perform an SQL-like inner join on two resultSets.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @param array &$res [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- *
- * @access private
- */
- function joinTuples(&$finalRes, &$res) {
-
- if (count($finalRes) == 0 || count($res) == 0)
- return array();
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- foreach ($res[0] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0]))
- $jointVars[] = $varname;
- else
- $newVars[] = $varname;
- }
-
- // eliminate rows of $finalRes in which the values of $jointVars do not have
- // a corresponding row in $res.
- foreach ($finalRes as $n => $fRes) {
- foreach ($res as $i => $r) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok)
- break;
- }
- if (!$ok)
- unset($finalRes[$n]);
- }
-
- // join $res and $finalRes
- $joinedRes = array();
- foreach ($res as $i => $r) {
- foreach ($finalRes as $n => $fRes) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok) {
- $joinedRow = $finalRes[$n];
- foreach($newVars as $n_varname)
- $joinedRow[$n_varname] = $r[$n_varname];
- $joinedRes[] = $joinedRow;
- }
- }
- }
-
- return $joinedRes;
- }
-
-
-/**
- * Filter the result-set of query variables by evaluating each filter from the
- * AND clause of the RDQL query.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function filterTuples(&$finalRes) {
-
- foreach ($this->parsedQuery['filters'] as $filter) {
-
- foreach ($finalRes as $n => $fRes) {
- $evalFilterStr = $filter['evalFilterStr'];
-
- // evaluate regex equality expressions of each filter
- foreach ($filter['regexEqExprs'] as $i => $expr) {
-
- preg_match($expr['regex'], $fRes[$expr['var']]->getLabel(), $match);
- $op = substr($expr['operator'], 0,1);
- if (($op != '!' && !isset($match[0])) || ($op == '!' && isset($match[0])))
- $evalFilterStr = str_replace("##RegEx_$i##", 'FALSE', $evalFilterStr);
- else
- $evalFilterStr = str_replace("##RegEx_$i##", 'TRUE', $evalFilterStr);
-
- }
-
- // evaluate string equality expressions
- foreach ($filter['strEqExprs'] as $i => $expr) {
-
- $exprBoolVal = 'FALSE';
-
- switch ($expr['value_type']) {
-
- case 'variable':
- if (($fRes[$expr['var']] == $fRes[$expr['value']] && $expr['operator'] == 'eq') ||
- ($fRes[$expr['var']] != $fRes[$expr['value']] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'URI':
-
- if (is_a($fRes[$expr['var']], 'Literal')) {
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- if (($fRes[$expr['var']]->getLabel() == $expr['value'] && $expr['operator'] == 'eq') ||
- ($fRes[$expr['var']]->getLabel() != $expr['value'] && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- break;
-
- case 'Literal':
-
- if (!is_a($fRes[$expr['var']], 'Literal')) {
- if ($expr['operator'] == 'ne')
- $exprBoolVal = 'TRUE';
- break;
- }
-
- $filterLiteral= new Literal($expr['value'],$expr['value_lang']);
- $filterLiteral->setDatatype($expr['value_dtype']);
-
- $equal=$fRes[$expr['var']]->equals($filterLiteral);
-/* if ($fRes[$expr['var']]->getLabel() == $expr['value'] &&
- $fRes[$expr['var']]->getDatatype() == $expr['value_dtype']) {
-
- $equal = TRUE;
-
- // Lang tags only differentiate literals in rdf:XMLLiterals and plain literals.
- // Therefore if a literal is datatyped ignore the language tag.
- if ((($expr['value_dtype'] == NULL) ||
- ($expr['value_dtype'] == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') ||
- ($expr['value_dtype'] == 'http://www.w3.org/2001/XMLSchema#string')) &&
- (($fRes[$expr['var']]->getLanguage() != $expr['value_lang'])))
-
- $equal = FALSE;
- }else
- $equal = FALSE;
- */
- if (($equal && $expr['operator'] == 'eq') ||
- (!$equal && $expr['operator'] == 'ne'))
- $exprBoolVal = 'TRUE';
- else
- $exprBoolVal = 'FALSE';
-
- }
- $evalFilterStr = str_replace("##strEqExpr_$i##", $exprBoolVal, $evalFilterStr);
- }
-
- // evaluate numerical expressions
- foreach ($filter['numExprVars'] as $varName) {
- $varValue = "'" .$fRes[$varName]->getLabel() ."'";
- $evalFilterStr = str_replace($varName, $varValue, $evalFilterStr);
- }
-
- eval("\$filterBoolVal = $evalFilterStr; \$eval_filter_ok = TRUE;");
- if (!isset($eval_filter_ok))
- trigger_error(RDQL_AND_ERR ."'" .htmlspecialchars($filter['string']) ."'", E_USER_ERROR);
-
- if (!$filterBoolVal)
- unset($finalRes[$n]);
- }
- }
-
- return $finalRes;
- }
-
-
-/**
- * Remove all conditional variables from the result-set and leave only variables
- * specified in the SELECT clause of the RDQL query.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = object Node
- * @access private
- */
- function selectVariables(&$finalRes) {
-
- // if nothing has been found return only one row of $finalRes
- // with select variables having empty values
- if (count($finalRes) == 0) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $finalRes[0][$selectVar] = NULL;
- return $finalRes;
- }
-
- // return only selectVars in the same order as given in the RDQL query
- // and reindex $finalRes.
- $n = 0;
- foreach($finalRes as $key => $val) {
- foreach ($this->parsedQuery['selectVars'] as $selectVar)
- $resultSet[$n][$selectVar] = $val[$selectVar];
- unset($finalRes[$key]);
- ++$n;
- }
-
- return $resultSet;
- }
-
-
-/**
- * Convert the variable values of $finalRes from objects to their string serialization.
- *
- * @param array &$finalRes [][?VARNAME] = object Node
- * @return array [][?VARNAME] = string
- * @access private
- */
- function toString(&$finalRes) {
-
- foreach ($finalRes as $n => $tuple)
- foreach ($tuple as $varname => $node) {
- if (is_a($node, 'Resource'))
- $res[$n][$varname] = '<' .$node->getLabel() .'>';
- elseif (is_a($node, 'Literal')) {
- $res[$n][$varname] = '"' .$node->getLabel() .'"';
- if ($node->getLanguage())
- $res[$n][$varname] .= ' (xml:lang="' .$node->getLanguage() .'")';
- if ($node->getDatatype())
- $res[$n][$varname] .= ' (rdf:datatype="' .$node->getDatatype() .'")';
- }else
- $res[$n][$varname] = $node;
- }
- return $res;
- }
-
-
-/**
- * Check if the given triple meets pattern internal bindings
- * e.g. (?x, ?z, ?x) ==> statement subject must be identical with the statement object
- *
- * @param object statement &$triple
- * @param array &$intBindings [] = string
- * @return boolean
- * @access private
- */
- function _checkIntBindings (&$triple, &$intBindings) {
-
- if (in_array('subject', $intBindings)) {
- if (in_array('predicate', $intBindings))
- if ($triple->subj != $triple->pred)
- return FALSE;
- if (in_array('object', $intBindings)) {
- if (is_a($triple->obj, 'Literal'))
- return FALSE;
- elseif ($triple->subj != $triple->obj)
- return FALSE;
- }
- return TRUE;
- }
- if (in_array('predicate', $intBindings)) {
- if (is_a($triple->obj, 'Literal'))
- return FALSE;
- elseif ($triple->pred != $triple->obj)
- return FALSE;
- return TRUE;
- }
- }
-
-
-/**
- * Check if the lang and dtype of the passed object Literal are equal $lang and $dtype
- * !!! Language only differentiates literals in rdf:XMLLiterals and plain literals (xsd:string).
- * !!! Therefore if a literal is datatyped ignore the language.
- *
- * @param object Literal $literal
- * @param string $dtype1
- * @param string $dtype2
- * @return boolean
- * @access private
- */
- function _equalsLangDtype ($literal, $lang, $dtype) {
-
- if ($dtype == $literal->getDatatype()) {
- if (($dtype == NULL ||
- $dtype == 'http://www.w3.org/2001/XMLSchema#string' ||
- $dtype == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral') &&
- ($lang != $literal->getLanguage()))
- return FALSE;
- return TRUE;
- }
- return FALSE;
- }
-
-
-} // end: Class RdqlMemEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlParser.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlParser.php
deleted file mode 100755
index 34c0fa56..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlParser.php
+++ /dev/null
@@ -1,1063 +0,0 @@
-
- *
- * @package rdql
- * @access public
- */
-
-
-Class RdqlParser extends Object{
-
-/**
- * Parsed query variables and constraints.
- * { } are only used within the parser class and are not returned as parsed query.
- * ( [] stands for an integer index - 0..N )
- *
- * @var array ['selectVars'][] = ?VARNAME
- * ['sources'][]{['value']} = URI | QName
- * {['is_qname'] = boolean}
- * ['patterns'][]['subject']['value'] = VARorURI
- * {['is_qname'] = boolean}
- * ['predicate']['value'] = VARorURI
- * {['is_qname'] = boolean}
- * ['object']['value'] = VARorURIorLiterl
- * {['is_qname'] = boolean}
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * {['l_dtype_is_qname'] = boolean}
- * ['filters'][]['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'QName' | 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * {['value_dtype_is_qname'] = boolean}
- * ['numExpr']['vars'][] = ?VARNAME
- * {['ns'][PREFIX] = NAMESPACE}
- * @access private
- */
- var $parsedQuery;
-
-
-/**
- * Query string divided into a sequence of tokens.
- * A token is either: ' ' or "\n" or "\r" or "\t" or ',' or '(' or ')'
- * or a string containing any characters except from the above.
- *
- * @var array
- * @access private
- */
- var $tokens;
-
-
-/**
- * Parse the given RDQL query string and return an array with query variables and constraints.
- *
- * @param string $queryString
- * @return array $this->parsedQuery
- * @access public
- */
- function & parseQuery($queryString) {
-
- $cleanQueryString = $this->removeComments($queryString);
- $this->tokenize($cleanQueryString);
- $this->startParsing();
- if ($this->parsedQuery['selectVars'][0] == '*')
- $this->parsedQuery['selectVars'] = $this->findAllQueryVariables();
- else
- $this->_checkSelectVars();
- $this->replaceNamespacePrefixes();
-
- return $this->parsedQuery;
- }
-
-
-/**
- * Remove comments from the passed query string.
- *
- * @param string $query
- * @return string
- * @throws PHPError
- * @access private
- */
- function removeComments($query) {
-
- $last = strlen($query)-1;
- $query .= ' ';
- $clean = '';
- for ($i=0; $i<=$last; $i++) {
- // don't search for comments inside a 'literal'@lang^^dtype or "literal"@lang^^dtype
- if ($query{$i} == "'" || $query{$i} == '"') {
- $quotMark = $query{$i};
- do
- $clean .= $query{$i++};
- while($i < $last && $query{$i} != $quotMark);
- $clean .= $query{$i};
- // language
- if ($query{$i+1} == '@') {
- do{
- if ($query{$i+1} == '^' && $query{$i+2} == '^')
- break;
- $clean .= $query{++$i};
- }while ($i < $last && $query{$i} != ' ' && $query{$i} != "\t"
- && $query{$i} != "\n" && $query{$i} != "\r");
- }
- // datatype
- if ($query{$i+1} == '^' && $query{$i+2} == '^') {
- do
- $clean .= $query{++$i};
- while ($i < $last && $query{$i} != ' ' && $query{$i} != "\t"
- && $query{$i} != "\n" && $query{$i} != "\r" );
- }
- // don't search for comments inside an either
- }elseif ($query{$i} == '<') {
- do{
- $clean .= $query{$i++};
- }while($i < $last && $query{$i} != '>');
- $clean .= $query{$i};
- }elseif ($query{$i} == '/') {
- // clear: // comment
- if ($i < $last && $query{$i+1} == '/') {
- while($i < $last && $query{$i} != "\n" && $query{$i} != "\r")
- ++$i;
- $clean .= ' ';
- // clear: /*comment*/
- }elseif ($i < $last-2 && $query{$i+1} == '*') {
- $i += 2;
- while($i < $last && ($query{$i} != '*' || $query{$i+1} != '/'))
- ++$i;
- if ($i >= $last && ($query{$last-1} != '*' || $query{$last} != '/'))
- trigger_error(RDQL_SYN_ERR .": unterminated comment - '*/' missing", E_USER_ERROR);
- ++$i;
- }else
- $clean .= $query{$i};
- }else
- $clean .= $query{$i};
- }
- return $clean;
- }
-
-
-/**
- * Divide the query string into tokens.
- * A token is either: ' ' or "\n" or "\r" or '\t' or ',' or '(' or ')'
- * or a string containing any character except from the above.
- *
- * @param string $queryString
- * @access private
- */
- function tokenize($queryString) {
-
- $queryString = trim($queryString, " \r\n\t");
- $specialChars = array (" ", "\t", "\r", "\n", ",", "(", ")");
- $len = strlen($queryString);
- $this->tokens[0]='';
- $n = 0;
-
- for ($i=0; $i<$len; ++$i) {
- if (!in_array($queryString{$i}, $specialChars))
- $this->tokens[$n] .= $queryString{$i};
- else {
- if ($this->tokens[$n] != '')
- ++$n;
- $this->tokens[$n] = $queryString{$i};
- $this->tokens[++$n] = '';
- }
- }
- }
-
-
-/**
- * Start parsing of the tokenized query string.
- *
- * @access private
- */
- function startParsing() {
-
- $this->parseSelect();
- }
-
-
-/**
- * Parse the SELECT clause of an Rdql query.
- * When the parsing of the SELECT clause is finished, this method will call
- * a suitable method to parse the subsequent clause.
- *
- * @throws PhpError
- * @access private
- */
- function parseSelect() {
-
- $this->_clearWhiteSpaces();
-
- // Check if the queryString contains a "SELECT" token
- if (strcasecmp('SELECT', current($this->tokens)))
- trigger_error(RDQL_SEL_ERR ."'" .current($this->tokens)
- ."' - SELECT keyword expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- // Parse SELECT *
- if (current($this->tokens) == '*') {
- unset($this->tokens[key($this->tokens)]);
- $this->parsedQuery['selectVars'][0] = '*';
- $this->_clearWhiteSpaces();
- if (strcasecmp('FROM', current($this->tokens))
- && strcasecmp('SOURCE', current($this->tokens))
- && strcasecmp('WHERE', current($this->tokens)))
- trigger_error(RDQL_SYN_ERR .": '" .htmlspecialchars(current($this->tokens))
- ."' - SOURCE or WHERE clause expected", E_USER_ERROR);
- }
-
- // Parse SELECT ?Var (, ?Var)*
- $commaExpected = FALSE;
- $comma = FALSE;
- while (current($this->tokens) != NULL) {
- $k = key($this->tokens);
- $token = $this->tokens[$k];
-
- switch ($token) {
- case ',': if (!$commaExpected)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- $comma = TRUE;
- $commaExpected = FALSE;
- break;
- case '(':
- case ')': trigger_error(RDQL_SEL_ERR ." '$token' - illegal input", E_USER_ERROR);
- break;
- default :
- if (!strcasecmp('FROM', $token) || !strcasecmp('SOURCE', $token)) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[$k]);
- return $this->parseFrom();
- }elseif (!strcasecmp('WHERE', $token) && !$comma) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[$k]);
- return $this->parseWhere();
- }
- if ($token{0} == '?') {
- $this->parsedQuery['selectVars'][] = $this->_validateVar($token, RDQL_SEL_ERR);
- $commaExpected = TRUE;
- $comma = FALSE;
- }else
- trigger_error(RDQL_SEL_ERR ." '$token' - '?' missing", E_USER_ERROR);
- }
- unset($this->tokens[$k]);
- $this->_clearWhiteSpaces();
- }
- trigger_error(RDQL_SYN_ERR . ': WHERE clause missing', E_USER_ERROR);
- }
-
-
-/**
- * Parse the FROM/SOURCES clause of an Rdql query
- * When the parsing of this clause is finished, parseWhere() will be called.
- *
- * @throws PhpError
- * @access private
- */
- function parseFrom() {
-
- $comma = FALSE;
- $commaExpected = FALSE;
- $i = -1;
- while (current($this->tokens) != NULL) {
-
- $this->_clearWhiteSpaces();
- if (!strcasecmp('WHERE', current($this->tokens)) && count($this->parsedQuery['sources']) != 0) {
- if ($comma)
- trigger_error(RDQL_SEL_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseWhere();
- }
- if (current($this->tokens) == ',') {
- if ($commaExpected) {
- $comma = TRUE;
- $commaExpected = FALSE;
- unset($this->tokens[key($this->tokens)]);
- }else
- trigger_error(RDQL_SRC_ERR ."',' - unecpected comma", E_USER_ERROR);
- }else{
- $token = current($this->tokens);
- $this->parsedQuery['sources'][++$i]['value'] = $this->_validateURI($token, RDQL_SRC_ERR);
- if ($token{0} != '<')
- $this->parsedQuery['sources'][$i]['is_qname'] = TRUE;
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }
- trigger_error(RDQL_SYN_ERR .': WHERE clause missing', E_USER_ERROR);
- }
-
-
-/**'
- * Parse the WHERE clause of an Rdql query.
- * When the parsing of the WHERE clause is finished, this method will call
- * a suitable method to parse the subsequent clause if provided.
- *
- * @throws PhpError
- * @access private
- */
- function parseWhere() {
-
- $comma = FALSE;
- $commaExpected = FALSE;
- $i=0;
-
- do {
- $this->_clearWhiteSpaces();
- if (!strcasecmp('AND', current($this->tokens))
- && count($this->parsedQuery['patterns']) != 0){
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseAnd();
- }elseif (!strcasecmp('USING', current($this->tokens))
- && count($this->parsedQuery['patterns']) != 0) {
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $this->parseUsing();
- }
-
- if (current($this->tokens) == ',') {
- $comma = TRUE;
- $this->_checkComma($commaExpected, RDQL_WHR_ERR);
-
- }else{
-
- if (current($this->tokens) != '(')
- trigger_error(RDQL_WHR_ERR ."'" .current($this->tokens)
- ."' - '(' expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- $this->parsedQuery['patterns'][$i]['subject'] = $this->_validateVarUri(current($this->tokens));
- $this->_checkComma(TRUE, RDQL_WHR_ERR);
- $this->parsedQuery['patterns'][$i]['predicate'] = $this->_validateVarUri(current($this->tokens));
- $this->_checkComma(TRUE, RDQL_WHR_ERR);
- $this->parsedQuery['patterns'][$i++]['object'] = $this->_validateVarUriLiteral(current($this->tokens));
- $this->_clearWhiteSpaces();
-
- if (current($this->tokens) != ')')
- trigger_error(RDQL_WHR_ERR ."'" .current($this->tokens) ."' - ')' expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }while(current($this->tokens) != NULL);
-
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- }
-
-
-/**
- * Parse the AND clause of an Rdql query
- *
- * @throws PhpError
- * @access private
- * @todo clear comments
- */
- function parseAnd() {
-
- $this->_clearWhiteSpaces();
- $n = 0;
- $filterStr = '';
-
- while(current($this->tokens) != NULL) {
- $k = key($this->tokens);
- $token = $this->tokens[$k];
-
- if (!strcasecmp('USING', $token)) {
- $this->parseFilter($n, $filterStr);
- unset($this->tokens[$k]);
- return $this->parseUsing();
- }elseif ($token == ',') {
- $this->parseFilter($n, $filterStr);
- $filterStr = '';
- $token = '';
- ++$n;
- }
- $filterStr .= $token;
- unset($this->tokens[$k]);
- }
- $this->parseFilter($n, $filterStr);
- }
-
-
-/**
- * Parse the USING clause of an Rdql query
- *
- * @throws PhpError
- * @access private
- */
- function parseUsing() {
-
- $commaExpected = FALSE;
- $comma = FALSE;
-
- do {
- $this->_clearWhiteSpaces();
- if (current($this->tokens) == ',') {
- $comma = TRUE;
- $this->_checkComma($commaExpected, RDQL_USG_ERR);
- }else{
- $prefix = $this->_validatePrefix(current($this->tokens));
- $this->_clearWhiteSpaces();
-
- if (strcasecmp('FOR', current($this->tokens)))
- trigger_error(RDQL_USG_ERR ." keyword: 'FOR' missing in the namespace declaration: '", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- $this->_clearWhiteSpaces();
-
- $this->parsedQuery['ns'][$prefix] = $this->_validateUri(current($this->tokens), RDQL_USG_ERR);
- $this->_clearWhiteSpaces();
- $commaExpected = TRUE;
- $comma = FALSE;
- }
- }while(current($this->tokens) != NULL);
-
- if ($comma)
- trigger_error(RDQL_WHR_ERR ." ',' - unexpected comma", E_USER_ERROR);
- }
-
-
-/**
- * Check if a filter from the AND clause contains an equal number of '(' and ')'
- * and parse filter expressions.
- *
- * @param integer $n
- * @param string $filter
- * @throws PHPError
- * @access private
- */
- function parseFilter($n, $filter) {
-
- if ($filter == NULL)
- trigger_error(RDQL_AND_ERR ." ',' - unexpected comma", E_USER_ERROR);
- $paren = substr_count($filter, '(') - substr_count($filter, ')');
- if ($paren != 0) {
- if ($paren > 0)
- $errorMsg = "'" .htmlspecialchars($filter) ."' - ')' missing ";
- elseif ($paren < 0)
- $errorMsg = "'" .htmlspecialchars($filter) ."' - too many ')' ";
- trigger_error(RDQL_AND_ERR .$errorMsg, E_USER_ERROR);
- }
-
- $this->parsedQuery['filters'][$n] = $this->parseExpressions($filter);
- }
-
-
-/**
- * Parse expressions inside the passed filter:
- * 1) regex equality expressions: ?var [~~ | =~ | !~ ] REG_EX
- * 2a) string equality expressions: ?var [eq | ne] "literal"@lang^^dtype.
- * 2b) string equality expressions: ?var [eq | ne] or ?var [eq | ne] prefix:local_name
- * 3) numerical expressions: e.q. (?var1 - ?var2)*4 >= 20
- *
- * In cases 1-2 parse each expression of the given filter into an array of variables.
- * For each parsed expression put a place holder (e.g. ##RegEx_1##) into the filterStr.
- * The RDQLengine will then replace each place holder with the outcomming boolean value
- * of the corresponding expression.
- * The remaining filterStr contains only numerical expressions and place holders.
- *
- * @param string $filteStr
- * @return array ['string'] = string
- * ['evalFilterStr'] = string
- * ['reqexEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['regex'] = string
- * ['strEqExprs'][]['var'] = ?VARNAME
- * ['operator'] = (eq | ne)
- * ['value'] = string
- * ['value_type'] = ('variable' | 'URI' | 'QName'| 'Literal')
- * ['value_lang'] = string
- * ['value_dtype'] = string
- * ['value_dtype_is_qname'] = boolean
- * ['numExpr']['vars'][] = ?VARNAME
- * @access private
- */
- function parseExpressions($filterStr) {
-
- $parsedFilter['string'] = $filterStr;
- $parsedFilter['regexEqExprs'] = array();
- $parsedFilter['strEqExprs'] = array();
- $parsedFilter['numExprVars'] = array();
-
- // parse regex string equality expressions, e.g. ?x ~~ !//foo.com/r!i
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+([~!=]~)\s+(['|\"])?([^\s'\"]+)(['|\"])?/";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $this->_checkRegExQuotation($filterStr, $eqExprs[3][$i], $eqExprs[5][$i]);
- $parsedFilter['regexEqExprs'][$i]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['regexEqExprs'][$i]['operator'] = $eqExprs[2][$i];
- $parsedFilter['regexEqExprs'][$i]['regex'] = $eqExprs[4][$i];
-
- $filterStr = str_replace($eqExpr, " ##RegEx_$i## ", $filterStr);
- }
-
- // parse ?var [eq | ne] "literal"@lang^^dtype
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+(\'[^\']*\'|\"[^\"]*\")";
- $reg_ex .= "(@[a-zA-Z]+)?(\^{2}\S+:?\S+)?/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$i]['var'] = $this->_isDefined($eqExprs[1][$i]);#
- $parsedFilter['strEqExprs'][$i]['operator'] = strtolower($eqExprs[2][$i]);
- $parsedFilter['strEqExprs'][$i]['value'] = trim($eqExprs[3][$i],"'\"");
- $parsedFilter['strEqExprs'][$i]['value_type'] = 'Literal';
- $parsedFilter['strEqExprs'][$i]['value_lang'] = substr($eqExprs[4][$i], 1);
- $dtype = substr($eqExprs[5][$i], 2);
- if ($dtype) {
- $parsedFilter['strEqExprs'][$i]['value_dtype'] = $this->_validateUri($dtype, RDQL_AND_ERR);
- if ($dtype{0} != '<')
- $parsedFilter['strEqExprs'][$i]['value_dtype_is_qname'] = TRUE;
- }else
- $parsedFilter['strEqExprs'][$i]['value_dtype'] = '';
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$i## ", $filterStr);
- }
-
- // parse ?var [eq | ne] ?var
- $ii = count($parsedFilter['strEqExprs']);
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+(\?[a-zA-Z0-9_]+)/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$ii]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['strEqExprs'][$ii]['operator'] = strtolower($eqExprs[2][$i]);
- $parsedFilter['strEqExprs'][$ii]['value'] = $this->_isDefined($eqExprs[3][$i]);
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'variable';
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$ii## ", $filterStr);
- $ii++;
- }
-
- // parse ?var [eq | ne] or ?var [eq | ne] prefix:local_name
- $reg_ex = "/(\?[a-zA-Z0-9_]+)\s+(eq|ne)\s+((<\S+>)|(\S+:\S*))/i";
- preg_match_all($reg_ex, $filterStr, $eqExprs);
- foreach ($eqExprs[0] as $i => $eqExpr) {
- $parsedFilter['strEqExprs'][$ii]['var'] = $this->_isDefined($eqExprs[1][$i]);
- $parsedFilter['strEqExprs'][$ii]['operator'] = strtolower($eqExprs[2][$i]);
- if ($eqExprs[4][$i]) {
- $parsedFilter['strEqExprs'][$ii]['value'] = trim($eqExprs[4][$i], "<>");
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'URI';
- }else if($eqExprs[5][$i]){
- $this->_validateQName($eqExprs[5][$i], RDQL_AND_ERR);
- $parsedFilter['strEqExprs'][$ii]['value'] = $eqExprs[5][$i];
- $parsedFilter['strEqExprs'][$ii]['value_type'] = 'QName';
- }
-
- $filterStr = str_replace($eqExprs[0][$i], " ##strEqExpr_$ii## ", $filterStr);
- $ii++;
- }
-
- $parsedFilter['evalFilterStr'] = $filterStr;
-
- // all that is left are numerical expressions and place holders for the above expressions
- preg_match_all("/\?[a-zA-Z0-9_]+/", $filterStr, $vars);
- foreach ($vars[0] as $var) {
- $parsedFilter['numExprVars'][] = $this->_isDefined($var);
- }
-
- return $parsedFilter;
- }
-
-
-/**
- * Find all query variables used in the WHERE clause.
- *
- * @return array [] = ?VARNAME
- * @access private
- */
- function findAllQueryVariables() {
-
- $vars = array();
- foreach ($this->parsedQuery['patterns'] as $pattern) {
- $count = 0;
- foreach ($pattern as $v) {
- if ($v['value'] && $v['value']{0} == '?') {
- ++$count;
- if (!in_array($v['value'], $vars))
- $vars[] = $v['value'];
- }
- }
- if (!$count)
- trigger_error(RDQL_WHR_ERR .'pattern contains no variables', E_USER_ERROR);
- }
-
- return $vars;
- }
-
-
-/**
- * Replace all namespace prefixes in the pattern and constraint clause of an rdql query
- * with the namespaces declared in the USING clause and default namespaces.
- *
- * @access private
- */
- function replaceNamespacePrefixes() {
-
- global $default_prefixes;
-
- if (!isset($this->parsedQuery['ns']))
- $this->parsedQuery['ns'] = array();
-
- // add default namespaces
- // if in an rdql query a reserved prefix (e.g. rdf: rdfs:) is used
- // it will be overridden by the default namespace defined in constants.php
- $this->parsedQuery['ns'] = array_merge($this->parsedQuery['ns'], $default_prefixes);
-
- // replace namespace prefixes in the FROM clause
- if (isset($this->parsedQuery['sources']))
- foreach ($this->parsedQuery['sources'] as $n => $source) {
- if (isset($source['is_qname']))
- $this->parsedQuery['sources'][$n] = $this->_replaceNamespacePrefix($source['value'], RDQL_SRC_ERR);
- else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $source['value'] = eregi_replace("$prefix:", $uri, $source['value']);
- $this->parsedQuery['sources'][$n] = $source['value'];
- }
-
- }
-
- // replace namespace prefixes in the where clause
- foreach ($this->parsedQuery['patterns'] as $n => $pattern) {
- foreach ($pattern as $key => $v)
- if ($v['value'] && $v['value']{0} != '?') {
- if (isset($v['is_qname'])) {
- $this->parsedQuery['patterns'][$n][$key]['value']
- = $this->_replaceNamespacePrefix($v['value'], RDQL_WHR_ERR);
- unset($this->parsedQuery['patterns'][$n][$key]['is_qname']);
- } else { // is quoted URI (== ) or Literal
- if (isset($this->parsedQuery['patterns'][$n][$key]['is_literal'])) {
- if (isset($this->parsedQuery['patterns'][$n][$key]['l_dtype_is_qname'])) {
- $this->parsedQuery['patterns'][$n][$key]['l_dtype']
- = $this->_replaceNamespacePrefix($v['l_dtype'], RDQL_WHR_ERR);
- unset($this->parsedQuery['patterns'][$n][$key]['l_dtype_is_qname']);
- }else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['patterns'][$n][$key]['l_dtype']
- = eregi_replace("$prefix:", $uri, $this->parsedQuery['patterns'][$n][$key]['l_dtype']);
- }
- }else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['patterns'][$n][$key]['value']
- = eregi_replace("$prefix:", $uri, $this->parsedQuery['patterns'][$n][$key]['value']);
- }
- }
- }
- }
-
- // replace prefixes in the constraint clause
- if (isset($this->parsedQuery['filters']))
- foreach ($this->parsedQuery['filters'] as $n => $filter)
- foreach ($filter['strEqExprs'] as $i => $expr) {
- if ($expr['value_type'] == 'QName') {
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']
- = $this->_replaceNamespacePrefix($expr['value'], RDQL_AND_ERR);
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_type'] = 'URI';
- }
- if ($expr['value_type'] == 'URI')
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']
- = eregi_replace("$prefix:", $uri,
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value']);
- elseif ($expr['value_type'] == 'Literal') {
- if (isset($expr['value_dtype_is_qname'])) {
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']
- = $this->_replaceNamespacePrefix($expr['value_dtype'], RDQL_AND_ERR);
- unset($this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype_is_qname']);
- } else {
- foreach ($this->parsedQuery['ns'] as $prefix => $uri)
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']
- = eregi_replace("$prefix:", $uri,
- $this->parsedQuery['filters'][$n]['strEqExprs'][$i]['value_dtype']);
- }
- }
- }
-
- unset($this->parsedQuery['ns']);
- }
-
-
-// =============================================================================
-// *************************** helper functions ********************************
-// =============================================================================
-
-
-/**
- * Remove whitespace-tokens from the array $this->tokens
- *
- * @access private
- */
- function _clearWhiteSpaces() {
-
- while (current($this->tokens) == ' ' ||
- current($this->tokens) == "\n" ||
- current($this->tokens) == "\t" ||
- current($this->tokens) == "\r")
-
- unset($this->tokens[key($this->tokens)]);
- }
-
-
-/**
- * Check if the query string of the given clause contains an undesired ','.
- * If a comma was correctly placed then remove it and clear all whitespaces.
- *
- * @param string $commaExpected
- * @param string $clause_error
- * @throws PHPError
- * @access private
- */
- function _checkComma($commaExpected, $clause_error) {
-
- $this->_clearWhiteSpaces();
- if (current($this->tokens) == ',') {
- if (!$commaExpected)
- trigger_error($clause_error ."',' - unexpected comma", E_USER_ERROR);
- else {
- unset($this->tokens[key($this->tokens)]);
- $this->_checkComma(FALSE, $clause_error);
- }
- }
- }
-
-
-/**
- * Check if the given token is either a variable (?var) or the first token of an URI ().
- * In case of an URI this function returns the whole URI string.
- *
- * @param string $token
- * @return array ['value'] = string
- * @throws PHPError
- * @access private
- */
- function _validateVarUri($token) {
-
- if ($token{0} == '?') {
- $token_res['value'] = $this->_validateVar($token, RDQL_WHR_ERR);
- } else {
- $token_res['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- if ($token{0} != '<')
- $token_res['is_qname'] = TRUE;
- }
- return $token_res;
- }
-
-
-/**
- * Check if the given token is either a variable (?var) or the first token
- * of either an URI () or a literal ("Literal").
- * In case of a literal return an array with literal properties (value, language, datatype).
- * In case of a variable or an URI return only ['value'] = string.
- *
- * @param string $token
- * @return array ['value'] = string
- * ['is_qname'] = boolean
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * @throws PHPError
- * @access private
- */
- function _validateVarUriLiteral($token) {
-
- if ($token{0} == '?')
- $statement_object['value'] = $this->_validateVar($token, RDQL_WHR_ERR);
- elseif ($token{0} == "'" || $token{0} == '"')
- $statement_object = $this->_validateLiteral($token);
- elseif ($token{0} == '<')
- $statement_object['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- elseif (ereg(':', $token)) {
- $statement_object['value'] = $this->_validateUri($token, RDQL_WHR_ERR);
- $statement_object['is_qname'] = TRUE;
- }else
- trigger_error(RDQL_WHR_ERR ." '$token' - ?Variable, <URI>, QName, or \"LITERAL\" expected", E_USER_ERROR);
- return $statement_object;
- }
-
-
-/**
- * Check if the given token is a valid variable name (?var).
- *
- * @param string $token
- * @param string $clause_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validateVar($token, $clause_error) {
-
- preg_match("/\?[a-zA-Z0-9_]+/", $token, $match);
- if (!isset($match[0]) || $match[0] != $token)
- trigger_error($clause_error ."'" .htmlspecialchars($token)
- ."' - variable name contains illegal characters", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $token;
- }
-
-
-/**
- * Check if $token is the first token of a valid URI () and return the whole URI string
- *
- * @param string $token
- * @param string $clause_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validateUri($token, $clause_error) {
-
- if ($token{0} != '<') {
- if (strpos($token, ':') && $this->_validateQName($token, $clause_error)) {
- unset($this->tokens[key($this->tokens)]);
- return rtrim($token, ':');
- }
- $errmsg = $clause_error .'\'' .htmlspecialchars($token) .'\' ';
- if ($clause_error == RDQL_WHR_ERR)
- $errmsg .= "- ?Variable or <URI> or QName expected";
- else
- $errmsg .= "- <URI> or QName expected";
- trigger_error($errmsg, E_USER_ERROR);
- }else{
- $token_res = $token;
- while($token{strlen($token)-1} != '>' && $token != NULL) {
- if ($token == '(' || $token == ')' || $token == ',' ||
- $token == ' ' || $token == "\n" || $token == "\r") {
- trigger_error($clause_error .'\'' .htmlspecialchars($token_res)
- ."' - illegal input: '$token' - '>' missing", E_USER_ERROR);
- }
- unset($this->tokens[key($this->tokens)]);
- $token = current($this->tokens);
- $token_res .= $token;
- }
- if ($token == NULL)
- trigger_error($clause_error .'\'' .htmlspecialchars($token_res) ."' - '>' missing", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return trim($token_res, '<>');
- }
- }
-
-
-/**
- * Check if $token is the first token of a valid literal ("LITERAL") and
- * return an array with literal properties (value, language, datatype).
- *
- * @param string $token
- * @return array ['value'] = string
- * ['is_literal'] = boolean
- * ['l_lang'] = string
- * ['l_dtype'] = string
- * ['l_dtype_is_qname'] = boolean
- * @throws PHPError
- * @access private
- */
- function _validateLiteral($token) {
-
- $quotation_mark = $token{0};
- $statement_object = array ('value' => '',
- 'is_literal' => TRUE,
- 'l_lang' => '',
- 'l_dtype' => '');
- $this->tokens[key($this->tokens)] = substr($token,1);
-
- $return = FALSE;
- foreach ($this->tokens as $k => $token) {
-
- if ($token != NULL && $token{strlen($token)-1} == $quotation_mark) {
- $token = rtrim($token, $quotation_mark);
- $return = TRUE;
-
- // parse @language(^^datatype)?
- }elseif (strpos($token, $quotation_mark .'@') || substr($token, 0, 2) == $quotation_mark .'@') {
- $lang = substr($token, strpos($token, $quotation_mark .'@')+2);
- if (strpos($lang, '^^') || substr($lang, 0,2) == '^^') {
- $dtype = substr($lang, strpos($lang, '^^')+2);
- if (!$dtype)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - datatype expected" ,E_USER_ERROR);
-
- $statement_object['l_dtype'] = $this->_validateUri($dtype, RDQL_WHR_ERR);
- if ($dtype{0} != '<')
- $statement_object['l_dtype_is_qname'] = TRUE;
-
- $lang = substr($lang, 0, strpos($lang, '^^'));
- }
- if (!$lang)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - language expected" ,E_USER_ERROR);
- $statement_object['l_lang'] = $lang;
- $token = substr($token, 0, strpos($token, $quotation_mark .'@'));
- $return = TRUE;
-
- // parse ^^datatype
- }elseif (strpos($token, $quotation_mark .'^^') || substr($token, 0, 3) == $quotation_mark .'^^') {
- $dtype = substr($token, strpos($token, $quotation_mark .'^^')+3);
- if (!$dtype)
- trigger_error(RDQL_WHR_ERR .$quotation_mark .$statement_object['value']
- .$token ." - datatype expected" ,E_USER_ERROR);
-
- $statement_object['l_dtype'] = $this->_validateUri($dtype, RDQL_WHR_ERR);
- if ($dtype{0} != '<')
- $statement_object['l_dtype_is_qname'] = TRUE;
-
- $token = substr($token, 0, strpos($token, $quotation_mark .'^^'));
- $return = TRUE;
- }elseif (strpos($token, $quotation_mark))
- trigger_error(RDQL_WHR_ERR ."'$token' - illegal input", E_USER_ERROR);
- $statement_object['value'] .= $token;
- unset($this->tokens[$k]);
- if ($return)
- return $statement_object;
- }
- trigger_error(RDQL_WHR_ERR ."quotation end mark: $quotation_mark missing", E_USER_ERROR);
- }
-
-
-/**
- * Check if the given token is a valid QName.
- *
- * @param string $token
- * @param string $clause_error
- * @return boolean
- * @throws PHPError
- * @access private
- */
-function _validateQName($token, $clause_error) {
-
- $parts = explode(':', $token);
- if (count($parts) > 2)
- trigger_error($clause_error ."illegal QName: '$token'", E_USER_ERROR);
- if (!$this->_validateNCName($parts[0]))
- trigger_error($clause_error ."illegal prefix in QName: '$token'", E_USER_ERROR);
- if ($parts[1] && !$this->_validateNCName($parts[1]))
- trigger_error($clause_error ."illegal local part in QName: '$token'", E_USER_ERROR);
-
- return TRUE;
-}
-
-
-/**
- * Check if the given token is a valid NCName.
- *
- * @param string $token
- * @return boolean
- * @access private
- */
-function _validateNCName($token) {
-
- preg_match("/[a-zA-Z_]+[a-zA-Z_0-9.\-]*/", $token, $match);
- if (isset($match[0]) && $match[0] == $token)
- return TRUE;
- return FALSE;
-}
-
-
-/**
- * Check if the given token is a valid namespace prefix.
- *
- * @param string $token
- * @return string
- * @throws PHPError
- * @access private
- */
- function _validatePrefix($token) {
-
- if (!$this->_validateNCName($token))
- trigger_error(RDQL_USG_ERR ."'" .htmlspecialchars($token)
- ."' - illegal input, namespace prefix expected", E_USER_ERROR);
- unset($this->tokens[key($this->tokens)]);
- return $token;
- }
-
-/**
- * Replace a prefix in a given QName and return a full URI.
- *
- * @param string $qName
- * @param string $clasue_error
- * @return string
- * @throws PHPError
- * @access private
- */
- function _replaceNamespacePrefix($qName, $clause_error) {
-
- $qName_parts = explode(':', $qName);
- if (!array_key_exists($qName_parts[0], $this->parsedQuery['ns']))
- trigger_error($clause_error .'undefined prefix: \'' .$qName_parts[0] .'\' in: \'' .$qName .'\'', E_USER_ERROR);
- return $this->parsedQuery['ns'][$qName_parts[0]] .$qName_parts[1];
- }
-
-
-/**
- * Check if all variables from the SELECT clause are defined in the WHERE clause
- *
- * @access private
- */
- function _checkSelectVars() {
-
- foreach ($this->parsedQuery['selectVars'] as $var)
- $this->_isDefined($var);
- }
-
-
-/**
- * Check if the given variable is defined in the WHERE clause.
- *
- * @param $var string
- * @return string
- * @throws PHPError
- * @access private
- */
- function _isDefined($var) {
-
- $allQueryVars = $this->findAllQueryVariables();
-
- if (!in_array($var, $allQueryVars))
- trigger_error(RDQL_SYN_ERR .": '$var' - variable must be defined in the WHERE clause", E_USER_ERROR);
- return $var;
- }
-
-
-/**
- * Throw an error if the regular expression from the AND clause is not quoted.
- *
- * @param string $filterString
- * @param string $lQuotMark
- * @param string $rQuotMark
- * @throws PHPError
- * @access private
- */
- function _checkRegExQuotation($filterString, $lQuotMark, $rQuotMark) {
-
- if (!$lQuotMark)
- trigger_error(RDQL_AND_ERR ."'$filterString' - regular expressions must be quoted", E_USER_ERROR);
-
- if ($lQuotMark != $rQuotMark)
- trigger_error(RDQL_AND_ERR ."'$filterString' - quotation end mark in the regular expression missing", E_USER_ERROR);
- }
-
-} // end: Class RdqlParser
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlResultIterator.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlResultIterator.php
deleted file mode 100755
index 8a662e12..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/rdql/RdqlResultIterator.php
+++ /dev/null
@@ -1,193 +0,0 @@
-, Chris Bizer
- *
- * @package rdql
- * @access public
- *
- */
- class RdqlResultIterator extends Object {
-
- /**
- * Reference to the Rdql result
- * @var array RdqlResult
- * @access private
- */
- var $RdqlResult;
-
- /**
- * Current position
- * RdqlResultIterator does not use the build in PHP array iterator,
- * so you can use serveral iterators on a single Rdql result.
- * @var integer
- * @access private
- */
- var $position;
-
-
- /**
- * Constructor
- *
- * @param object RdqlResult
- * @access public
- */
- function RdqlResultIterator(&$RdqlResult) {
-
- $noResult = TRUE;
- foreach($RdqlResult[0] as $value)
- if ($value != NULL) {
- $noResult = FALSE;
- break;
- }
-
- if($noResult)
- $this->RdqlResult = NULL;
- else
- $this->RdqlResult = $RdqlResult;
-
- $this->position = -1;
- }
-
- /**
- * Returns the labels of the result as array.
- * @return array of strings with the result labels OR null if there are no results.
- * @access public
- */
- function getResultLabels() {
- if(count($this->RdqlResult)>0) {
- return array_keys($this->RdqlResult[0]);
- } else return null;
- }
-
- /**
- * Returns the number of results.
- * @return integer
- * @access public
- */
- function countResults() {
-
- return count($this->RdqlResult);
-
- }
- /**
- * Returns TRUE if there are more results.
- * @return boolean
- * @access public
- */
- function hasNext() {
- if ($this->position < count($this->RdqlResult) - 1 ) {
- return TRUE;
- } else {
- return FALSE;
- }
- }
-
- /**
- * Returns TRUE if the first result has not been reached.
- * @return boolean
- * @access public
- */
- function hasPrevious() {
- if ($this->position > 0) {
- return TRUE;
- } else {
- return FALSE;
- } }
-
- /**
- * Returns the next result array.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function next($element = null) {
- if ($this->position < count($this->RdqlResult) - 1) {
- $this->position++;
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Returns the previous result.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function previous($element = null) {
- if ($this->position > 0) {
- $this->position--;
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Returns the current result.
- * @param integer $element
- * @return result array OR single result if $element was specified OR NULL if there is no next result.
- * @access public
- */
- function current($element = null) {
- if (($this->position >= 0) && ($this->position < count($this->RdqlResult))) {
- if ($element) {return $this->RdqlResult[$this->position][$element];}
- else return $this->RdqlResult[$this->position];
- } else {
- return NULL;
- }
- }
-
- /**
- * Moves the pointer to the first result.
- * @return void
- * @access public
- */
- function moveFirst() {
- $this->position = 0;
- }
-
- /**
- * Moves the pointer to the last result.
- * @return void
- * @access public
- */
- function moveLast() {
- $this->position = count($this->RdqlResult) - 1;
- }
-
- /**
- * Moves the pointer to a specific result.
- * If you set an off-bounds value, next(), previous() and current() will return NULL
- * @return void
- * @access public
- */
- function moveTo($position) {
- $this->position = $position;
- }
-
- /**
- * Returns the current position of the iterator.
- * @return integer
- * @access public
- */
- function getCurrentPosition() {
- return $this->position;
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/all-wcprops
deleted file mode 100755
index cc5b3f60..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/all-wcprops
+++ /dev/null
@@ -1,71 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 62
-/svnroot/rdfapi-php/!svn/ver/522/trunk/rdfapi-php/api/resModel
-END
-ResAlt.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResAlt.php
-END
-ResModel.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/562/trunk/rdfapi-php/api/resModel/ResModel.php
-END
-ResModelP.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResModelP.php
-END
-ResContainer.php
-K 25
-svn:wc:ra_dav:version-url
-V 79
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResContainer.php
-END
-ResProperty.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResProperty.php
-END
-ResResource.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResResource.php
-END
-ResSeq.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResSeq.php
-END
-ResBag.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResBag.php
-END
-ResIterator.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/522/trunk/rdfapi-php/api/resModel/ResIterator.php
-END
-ResList.php
-K 25
-svn:wc:ra_dav:version-url
-V 74
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResList.php
-END
-ResLiteral.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/resModel/ResLiteral.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/entries
deleted file mode 100755
index 41c13a43..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/entries
+++ /dev/null
@@ -1,171 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/resModel
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-08-14T09:22:22.680195Z
-522
-cweiske
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-ResAlt.php
-file
-
-
-
-
-2008-02-29T14:57:48.787146Z
-e8801d9e4af46f7486692045db0f3caf
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResModel.php
-file
-562
-
-
-
-2008-02-29T15:30:18.380615Z
-6b8ab5cac9f16867ea0a8febd2a735c5
-2008-02-29T15:30:18.223618Z
-562
-cax
-has-props
-
-ResModelP.php
-file
-
-
-
-
-2008-02-29T14:57:48.802766Z
-29b5e81c2303064f2003c4e8655ae527
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResContainer.php
-file
-
-
-
-
-2008-02-29T14:57:48.802766Z
-553a34d72326fefa13710a3736ac5436
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResProperty.php
-file
-
-
-
-
-2008-02-29T14:57:48.818387Z
-46856026754e0f2963d8b7e16851b683
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResResource.php
-file
-
-
-
-
-2008-02-29T14:57:48.818387Z
-8bed519062c9cb629c21521e4261623b
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResSeq.php
-file
-
-
-
-
-2008-02-29T14:57:48.834007Z
-11abc64933d31c26ec1baf469e4eb1a5
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResBag.php
-file
-
-
-
-
-2008-02-29T14:57:48.834007Z
-12a922eb46b8c463b3871348a29bdc51
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResIterator.php
-file
-
-
-
-
-2008-02-29T14:57:48.849628Z
-cc4dfa5b25a4806cf60d40b10cedec7b
-2007-08-14T09:22:22.680195Z
-522
-cweiske
-has-props
-
-ResList.php
-file
-
-
-
-
-2008-02-29T14:57:48.849628Z
-ea5928a8f2ba8bbefb7d38bd4182aa1a
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-ResLiteral.php
-file
-
-
-
-
-2008-02-29T14:57:48.865249Z
-b0ce56aa73ea6d64d7e87b407bbe3739
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResAlt.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResAlt.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResAlt.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResBag.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResBag.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResBag.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResContainer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResContainer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResContainer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResIterator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResIterator.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResIterator.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResList.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResList.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResList.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResLiteral.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResLiteral.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResLiteral.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModel.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModel.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModelP.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResModelP.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResProperty.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResProperty.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResProperty.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResResource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResResource.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResResource.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResSeq.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResSeq.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/prop-base/ResSeq.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResAlt.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResAlt.php.svn-base
deleted file mode 100755
index 9f6859bd..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResAlt.php.svn-base
+++ /dev/null
@@ -1,78 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResAlt extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResAlt($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_ALT);
- }
-
- /**
- * Return the default value for this resource
- *
- * @return object ResResource/ResLiteral
- * @access public
- */
- function getDefault()
- {
- //get the first memeber
- $statements=$this->listProperties($this->_getMembershipPropertyWithIndex(1));
- if(isset($statements[0]))
- {
- //return the value
- return $statements[0]->getObject();
- } else
- {
- return null;
- }
- }
-
- /**
- * Set the default value of this container.
- *
- * @param object ResResource/ResLiteral $object
- * @access public
- */
- function setDefault($object)
- {
- //remember the old default value
- $oldDefaultObject=$this->getDefault();
- //if there wasn't a default value before
- if($oldDefaultObject === null)
- {
- //add the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
- } else
- {
- //remove the old value
- $this->removeAll($this->_getMembershipPropertyWithIndex(1));
- //set the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
- //add the old default value at the end
- $this->add($oldDefaultObject);
- }
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResBag.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResBag.php.svn-base
deleted file mode 100755
index 563d2e2c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResBag.php.svn-base
+++ /dev/null
@@ -1,32 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResBag extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResBag($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_BAG);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResContainer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResContainer.php.svn-base
deleted file mode 100755
index e46f41f0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResContainer.php.svn-base
+++ /dev/null
@@ -1,219 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-
-class ResContainer extends ResResource
-{
- /**
- * Holds a ResResource of this container type rdf:Seq, rdf:Alt, or rdf:Bag
- * @var ResResource
- * @access private
- */
- var $containerType;
-
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResContainer($uri = null)
- {
- parent::ResResource($uri);
- }
-
- /**
- * Add a new value to a container.
- * The new value is added as the last element of the container.
- *
- * @param object ResResource/ResLiteral $object
- * @access public
- */
- function add($object)
- {
- //type this container, if it isn't already typed
- if(!$this->hasProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE)))
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE),$this->containerType);
- //get the current size
- $actualSize=$this->size();
- //add the object to the last position
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.'_'.($actualSize+1)),$object);
- }
-
- /**
- * Determine whether the container contains a value
- *
- * @param obejct ResResource/ResLiteral $resResource
- * @return boolean
- * @access public
- */
- function contains($resResource)
- {
- //get all container's properties
- foreach ($this->listProperties() as $statement)
- {
- //if the property matches a container membership property
- if ($this->_predicateLabelMatchesMembershipProperty($statement->getLabelPredicate()))
- {
- //check, if it's the value, we're looking for.
- if ($resResource->equals($statement->getObject()))
- return true;
- }
- }
- return false;
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Alt
- *
- * @return boolean
- * @access public
- */
- function isAlt()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_ALT);
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Bag
- *
- * @return boolean
- * @access public
- */
- function isBag()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_BAG);
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Seq
- *
- * @return boolean
- * @access public
- */
- function isSeq()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_SEQ);
- }
-
- /**
- * Get an array of all resources that are values of this container
- *
- * @return array
- * @access public
- */
- function getMembers()
- {
- $return=array();
- foreach ($this->listProperties() as $statement)
- {
- $predicateLabel=$statement->getLabelPredicate();
- if ($this->_predicateLabelMatchesMembershipProperty($predicateLabel))
- {
- $return[$this->_getMemberIndexNrFromMembershipPropertyLabel($predicateLabel)] = $statement->getObject();
- }
- }
- return $return;
- }
-
- /**
- * Remove a value from the container.
- *
- * Once removed, the values in the container with a higher ordinal value are renumbered.
- * The renumbering algorithm depends on the type of container.
- *
- * @param obejct ResResource/ResLiteral $resResource
- * @access public
- */
- function remove($object)
- {
- $deleteFromIndex=array();
- //get all container members
- $memberIndex=$this->getMembers();
-
- //check each container member if it equals the resoure to be removed
- foreach ($memberIndex as $key => $value)
- {
- //save the statements positio in the container
- if($object->equals($value))
- $deleteFromIndex[]=$key;
- }
-
- //delete all found container members
- foreach ($deleteFromIndex as $index)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
-
- //renumber all members with higher ordinal numbers than the deleted one
- for ($i = $index;$i < count($memberIndex); $i++)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i+1));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i),$memberIndex[$i+1]);
- }
- }
-
- }
-
- /**
- * Returns the number values in the container.
- *
- * @return integer
- * @access public
- */
- function size()
- {
- return count($this->getMembers());
- }
-
- /**
- * Checks, if a predicate label fits a container membership property rdf:_n
- *
- * @param string $predicateLabel
- * @return boolean
- * @access private
- */
- function _predicateLabelMatchesMembershipProperty($predicateLabel)
- {
- return substr($predicateLabel,0,strlen(RDF_NAMESPACE_URI.'_')) == RDF_NAMESPACE_URI.'_';
- }
-
- /**
- * Get the ordinal number from a membership property rdf:_n
- *
- * @param string $predicateLabel
- * @return integer
- * @access private
- */
- function _getMemberIndexNrFromMembershipPropertyLabel($predicateLabel)
- {
- return (int)substr($predicateLabel,strlen(RDF_NAMESPACE_URI.'_'));
- }
-
- /**
- * Get a membership property rdf:_n with index $int
- *
- * @param intger $int
- * @return string
- * @access private
- */
- function _getMembershipPropertyWithIndex($int)
- {
- return new ResResource(RDF_NAMESPACE_URI.'_'.$int);
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResIterator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResIterator.php.svn-base
deleted file mode 100755
index b43bf2cd..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResIterator.php.svn-base
+++ /dev/null
@@ -1,298 +0,0 @@
-listInstances();
-* for ($it->rewind(); $it->valid(); $it->next())
-* {
-* $currentResource=$it->current();
-* };
-*
-*
-* @version $Id$
-* @author Daniel Westphal
-*
-*
-* @package resModel
-* @access public
-**/
-class ResIterator
-{
- /**
- * Holds a reference to the assoiated ResModel / OntModel
- * @var object Model
- * @access private
- */
- var $associatedModel;
-
- /**
- * The current position
- * @var integer
- * @access private
- */
- var $key;
-
- /**
- * If the current resource is valid
- * @var boolean
- * @access private
- */
- var $valid;
-
- /**
- * The current resource
- * @var obejct ResResource
- * @access private
- */
- var $currentResource;
-
- /**
- * The subject to search for.
- * @var object ResResource
- * @access private
- */
- var $searchSubject;
-
- /**
- * The predicate to search for.
- * @var object ResResource
- * @access private
- */
- var $searchPredicate;
-
- /**
- * The object to search for.
- * @var object ResResource
- * @access private
- */
- var $searchObject;
-
- /**
- * If the resource, we're intrested in is the subject (s), predicate(p),
- * or object (o) of the found statements
- *
- * @var string
- * @access private
- */
- var $getSPO;
-
- /**
- * Defines the type of resource, we'd like to receive.
- *
- * @var string
- * @access private
- */
- var $returnType;
-
- /**
- * If set, each resource will first be checked, if it's
- * language fits.
- *
- * @var string
- * @access private
- */
- var $findLiteralWithLang;
-
-
- /**
- * Constructor.
- *
- * $subject, $predicate, and $object are used like inf find().
- * $getSPO supports the strings 's', 'p', and 'o' to return
- * either the subject, predicate, or object of the result statements.
- * $returnType supports the strings 'ResProperty', 'ResLiteral',
- * 'OntProperty', 'OntClass', and 'Individual' and returns the resources
- * as the matching type.
- *
- * @param object ResResource $subject
- * @param object ResResource $predicate
- * @param object ResResource $object
- * @param string $getSPO
- * @param object ResModel $associatedModel
- * @param string $returnType
- * @access public
- */
- function ResIterator($subject,$predicate,$object,$getSPO,& $associatedModel,$returnType = false)
- {
- $this->searchSubject =& $subject;
- $this->searchPredicate =& $predicate;
- $this->searchObject =& $object;
- $this->getSPO = $getSPO;
- $this->returnType = $returnType;
- $this->associatedModel =& $associatedModel;
- $this->findLiteralWithLang = false;
- }
-
- /**
- * Resets iterator list to start
- *
- * @access public
- */
- function rewind()
- {
- $this->key = -1;
- $this->next();
- }
-
- /**
- * Says if there are additional items left in the list
- *
- * @return boolean
- * @access public
- */
- function valid()
- {
- return $this->valid;
- }
-
- /**
- * Moves Iterator to the next item in the list
- *
- * @access public
- */
- function next()
- {
- $this->key++;
- $this->valid=($this->_getNextResource());
- }
-
- /**
- * Returns the current item
- *
- * @return mixed
- * @access public
- */
- function current()
- {
- return $this->currentResource;
- }
-
- /**
- * Returns the next Resource (subject, predicate,
- * or object of the next matching statement).
- *
- * @return object resResource
- * @access private
- */
- function _getNextResource()
- {
- if ($this->findLiteralWithLang)
- {
- do
- {
- $nextStatement = $this->associatedModel->findFirstMatchingStatement($this->searchSubject,$this->searchPredicate,$this->searchObject,$this->key);
- if ($nextStatement === null)
- return false;
-
- $object = $nextStatement->getObject();
- if ($object->getLanguage() != $this->findLiteralWithLang)
- {
- $hasCorrectLanguage=false;
- $this->key++;
- } else
- {
- $hasCorrectLanguage=true;
- }
-
- } while (!$hasCorrectLanguage);
- } else
- {
- $nextStatement = $this->associatedModel->findFirstMatchingStatement($this->searchSubject,$this->searchPredicate,$this->searchObject,$this->key);
- }
- if ($nextStatement === null)
- return false;
-
- switch ($this->getSPO)
- {
- case 's':
- $this->currentResource = $this->_getResourceAs($nextStatement->getSubject());
- break;
-
- case 'p':
- $this->currentResource = $this->_getResourceAs($nextStatement->getPredicate());
- break;
-
- case 'o':
- $this->currentResource = $this->_getResourceAs($nextStatement->getObject());
- break;
- }
- return (true);
- }
-
- /**
- * Returns the key of the current item
- *
- * @return integer
- * @access public
- */
- function key()
- {
- return $this->key;
- }
-
- /**
- * Sets that only Literals with the matching
- * language should be returned
- *
- * @param string
- * @access public
- */
- function setFindLiteralWithLang($language)
- {
- $this->findLiteralWithLang = $language;
- }
-
- /**
- * Returns the $resource as an instance of the type
- * specified in $this->returnType.
- *
- * @param object ResResource
- * @return object ResResource
- * @access private
- */
- function _getResourceAs($resource)
- {
- if ($this->findLiteralWithLang && $resource->getLanguage() != $this->findLiteralWithLang)
- $this->_getNextResource();
-
- if($this->returnType)
- switch ($this->returnType) {
-
- case 'ResProperty':
- return $this->associatedModel->createProperty($resource->getLabel());
- break;
-
- case 'ResLiteral':
- $newLiteral = $this->associatedModel->createLiteral($resource->getLabel(),$resource->getLanguage());
- $newLiteral->setDatatype($resource->getDatatype());
- return $newLiteral;
- break;
-
- case 'OntProperty':
-
- return $this->associatedModel->createOntProperty($resource->getLabel());
- break;
-
- case 'OntClass':
- return $this->associatedModel->createOntClass($resource->getLabel());
- break;
-
- case 'Individual':
- return $this->associatedModel->createIndividual($resource->getLabel());
- break;
- }
- return $resource;
- }
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResList.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResList.php.svn-base
deleted file mode 100755
index 3265470a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResList.php.svn-base
+++ /dev/null
@@ -1,635 +0,0 @@
-
-
-*
-* @package resModel
-* @access public
-*/
-class ResList extends ResResource
-{
- /**
- * Holds a ResResource with the uri rdf:rest
- * @var ResResource
- * @access private
- */
- var $rdfRestResource;
-
- /**
- * Holds a ResResource with the uri rdf:first
- * @var ResResource
- * @access private
- */
- var $rdfFirstResource;
-
- /**
- * Holds a ResResource with the uri rdf:nil
- * @var ResResource
- * @access private
- */
- var $rdfNilResource;
-
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResList($uri = null)
- {
- //call the parent's constructor
- parent::ResResource($uri);
- //initialize vars
- $this->rdfRestResource = new ResResource(RDF_NAMESPACE_URI.RDF_REST);
- $this->rdfFirstResource = new ResResource(RDF_NAMESPACE_URI.RDF_FIRST);
- $this->rdfNilResource = new ResResource(RDF_NAMESPACE_URI.RDF_NIL);
- }
-
- /**
- * Returns the value of the list element at the specified position or null.
- *
- * @param integer $position
- * @return ResResource
- * @access public
- */
- function get($position)
- {
- //init
- $listElement=$this;
- //walk through the list until the position in the list is reached
- for ($i=0;$i<$position;$i++)
- {
- $listElement=$this->_getRestElement($listElement);
- if($listElement===null)
- return null;
- }
- //return the associated value
- return $this->_getValue($listElement);
- }
-
- /**
- * Add the given value to the end of the list.
- * it is only defined if this is not the empty list.
- *
- * @param object ResResource $resource
- * @return boolean
- * @access public
- */
- function add($resource)
- {
- //return false if this list is the empty list
- if($this->uri==RDF_NAMESPACE_URI.RDF_NIL)
- return false;
-
- //if this is the first value
- if ($this->isEmpty())
- {
- $newLastElement =& $this;
- } else
- //if there are other values in the list
- {
- //get the last list element
- $lastElement=$this->_getListElement();
- //remove the rdf:rest property
- $lastElement->removeAll($this->rdfRestResource);
- //create a new list element
- $newLastElement=$this->model->createResource();
- //concatenate the new list element with the list
- $lastElement->addProperty($this->rdfRestResource,$newLastElement);
- }
- //add the value
- $newLastElement->addProperty($this->rdfFirstResource,$resource);
- //ad the rdf:nil property to the last list element
- $newLastElement->addProperty($this->rdfRestResource,$this->rdfNilResource);
-
- return true;
- }
-
- /**
- * Update the head of the list to have the given value,
- * and return the previous value.
- *
- * @param object ResResource $value
- * @return ResResource
- * @access public
- */
- //todo: error handling, when empty list
- function setHead($value)
- {
- //save the old value
- $oldValue=$this->getHead();
- //remove the old value
- $this->removeAll($this->rdfFirstResource);
- //add the new value
- $this->addProperty($this->rdfFirstResource,$value);
-
- //return the old value
- return $oldValue;
- }
-
- /**
- * Get the value that is associated with the head of the list.
- *
- * @return ResResource
- * @access public
- */
- //todo: error handling, falls empty list
- function getHead()
- {
- return $this->_getValue($this);
- }
-
- /**
- * Remove the head of the list. The tail of the list
- * remains in the model. Note that no changes are made to
- * list cells that point to this list cell as their tail.
- *
- * @return ResList
- * @access public
- */
- function removeHead()
- {
- //get the second list element
- $rest=$this->_getRestElement($this);
- //remove the first element
- $this->removeAll($this->rdfFirstResource);
- $this->removeAll($this->rdfRestResource);
- //change this Resource URI to that of the second list element
- //thus makin it the fist element
- $this->uri=$rest->getURI();
-
- //return the new list
- return $this;
- }
-
- /**
- * Get the Position of the first occurrence of the given value in the list,
- * or -1 if the value is not in the list.
- * You can supply an offset to search for values. (First element has offset 0)
- * Default is 0
- *
- * @param object ResResource $resource
- * @param integer $offset
- * @return integer
- * @access public
- */
- function indexOf($resource, $offset = 0)
- {
- //init
- $element=$this;
- $actualIndex=0;
-
- //walk through the list until the value is found and the position is higher than
- //the offset
- while ($actualIndex < $offset || !$resource->equals($this->_getValue($element)))
- {
- //get next list element
- $element=$this->_getRestElement($element);
- $actualIndex++;
-
- //if the end of the list is reached and the value isn't found
- if ($element===null)
- return null;
- }
- //return the index value
- return $actualIndex;
- }
-
- /**
- * Replace the value at the i'th position in the list with the given value
- *
- * @param integer $index
- * @param object ResResource $resource
- * @return object ResResource
- * @access public
- */
- function replace($index, $resource)
- {
- //get the list element at the $index position
- $listElement=$this->_getListElement($index);
- //get the old value
- $oldValue=$this->_getValue($listElement);
- //remove the old value
- $listElement->removeAll($this->rdfFirstResource);
- //add the new value
- $listElement->addProperty($this->rdfFirstResource,$resource);
- //return the old value
- return $oldValue;
- }
-
- /**
- * Answer true if the given node appears as the value of a value
- * of any of the cells of this list.
- *
- * @param object ResResource $value
- * @return boolean
- * @access public
- */
- function contains($value)
- {
- //return true, if a position was found.
- $result=$this->indexOf($value);
- return ($result!==null);
- }
-
- /**
- * Get the list that is the tail of this list.
- *
- * @return object ResList
- * @access public
- */
- function getTail()
- {
- //get the second list element
- $nextListElement= $this->_getRestElement($this);
- //return the second element as new list
- return $this->model->createList($nextListElement->getURI());
- }
-
- /**
- * Remove all of the components of this list from the model.
- * Note that this is operation is only removing the list cells
- * themselves, not the resources referenced by the list -
- * unless being the object of an rdf:first statement is the
- * only mention of that resource in the model.
- *
- * @return boolean
- * @access public
- */
- function removeList()
- {
- $element=$this;
-
- while ($element!==null)
- {
- $nextElement=$this->_getRestElement($element);
-
- $element->removeAll($this->rdfFirstResource);
- $element->removeAll($this->rdfRestResource);
-
- if (($nextElement !== null) && ($nextElement->getURI()!==RDF_NAMESPACE_URI.RDF_NIL))
- {
- $element=$nextElement;
- } else
- {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Returns true, if this list is empty
- *
- * @param object Statement $statement
- * @return integer
- * @access public
- */
- function isEmpty()
- {
- return !$this->hasProperty($this->rdfFirstResource);
- }
-
- /**
- * Get all values in the list as an array of ResResources
- *
- * @return array
- * @access public
- */
- function getContentInArray()
- {
- $result=array();
- $element=$this;
-
- while ($element!==null)
- {
- //add the value of the current element to the result if is set.
- $value=$this->_getValue($element);
- if ($value!==null)
- $result[]=$value;
-
- //walk through the list until it's end
- $nextElement=$this->_getRestElement($element);
- if (($nextElement !== null) && ($nextElement->getURI()!==RDF_NAMESPACE_URI.RDF_NIL))
- {
- $element=$nextElement;
- } else
- {
- break;
- }
- }
- //return the result
- return $result;
- }
-
- /**
- * Change the tail of this list to point to the given list, so that this list
- * becomes the list of the concatenation of the elements of
- * both lists. This is a side-effecting operation on this list;
- * for a non side-effecting alternative, see append.
- *
- *
- * @param object ResList $ResList
- * @access public
- */
- function concatenate($ResList)
- {
- //get the last list element
- $lastElement=$this->_getListElement();
- //remove the old tail (rdf:nil)
- $lastElement->removeAll($this->rdfRestResource);
- //add the $ResList as new tail
- $lastElement->addProperty($this->rdfRestResource,$ResList);
- }
-
- /**
- * Answer a new list that is formed by adding each element of
- * this list to the head of the given list. This is a non
- * side-effecting operation on either this list or the given
- * list, but generates a copy of this list. For a more storage
- * efficient alternative, see concatenate
- *
- * @param object ResList $ResList
- * @return object ResList
- * @access public
- */
- function append($resList)
- {
- //get a copy of this list
- $newList=$this->copy();
-
- //add all values from the $resList to the new list
- foreach ($resList->getContentInArray() as $value)
- {
- $newList->add($value);
- }
- //return the new list
- return $newList;
- }
-
- /**
- * Answer a list that contains all of the elements of this
- * list in the same order, but is a duplicate copy in the
- * underlying model.
- *
- * @return object ResList
- * @access public
- */
- function copy()
- {
- //create a new list in the model
- $newList=$this->model->createList();
- //add all values from this list to the new list
- foreach ($this->getContentInArray() as $value)
- {
- $newList->add($value);
- }
- //return the new list
- return $newList;
- }
-
- /**
- * Return a reference to a new list cell whose head is value
- * and whose tail is this list.
- *
- * @param object ResResource $value
- * @return object ResList
- * @access public
- */
- function cons($value)
- {
- //create a new list
- $newList=$this->model->createList();
- //add the new value
- $newList->add($value);
- //set this list as the tail of the new list
- $newList->setTail($this);
-
- //return the new list
- return $newList;
- }
-
- /**
- * Update the list cell at the front of the list to have the
- * given list as tail. The old tail is returned, and remains
- * in the model.
- *
- * @param object ResList $resList
- * @return object Reslist
- * @access public
- */
- function setTail($resList)
- {
- //save the old tail
- $oldTail=$this->getTail();
- //remove the old tail
- $this->removeAll($this->rdfRestResource);
- //add the $resList as new Tail
- $this->addProperty($this->rdfRestResource,$resList);
-
- //return the old tail
- return $oldTail;
- }
-
- /**
- * Answer true if this list has the same elements in the
- * same order as the given list. Note that the standard equals
- * test just tests for equality of two given list cells.
- * While such a test is sufficient for many purposes, this
- * test provides a broader equality definition, but is
- * correspondingly more expensive to test.
- *
- * @param object ResList $resList
- * @return boolean
- * @access public
- */
- function sameListAs($resList)
- {
- //init
- $indexPos=0;
- do
- {
- //get the values for both lists at the actual position
- $thisValue=$this->get($indexPos);
- $thatValue=$resList->get($indexPos);
- //if the values aren't equal, return false
- if (($thisValue !== null) && !$thisValue->equals($thatValue))
- return false;
-
- $indexPos++;
- //walk until this list reaches a null value (end)
- } while ($thisValue!==null);
-
- //if the other list has a null value at this position too, return true
- //else return false
- return ($thatValue===null);
- }
-
- /**
- * Remove the given value from this list.
- * If value does not occur in the list, no action is taken. Since removing the
- * head of the list will invalidate the list head cell, in
- * general the list must return the list that results from
- * this operation. However, in many cases the return value
- * will be the same as the object that this method is invoked
- * on.
- *
- * @param object ResResource $value
- * @return object ResList
- * @access public
- */
- function remove($value)
- {
- //if the value is the value of the first list element(head)
- //call the remove head position and return the new head
- if ($value->equals($this->_getValue($this)))
- return $this->removeHead();
-
- $element=$this;
- do
- {
- $newElement=$this->_getRestElement($element);
-
- //if the value equals the value of the current list element
- if ($newElement !== null && $value->equals($this->_getValue($newElement)))
- {
- //remove the link to the list element to be removed
- $element->removeAll($this->rdfRestResource);
- //add a link to the list element AFTER the element to be deleted
- $element->addProperty($this->rdfRestResource,$this->_getRestElement($newElement));
- //remove the list element with values
- $newElement->removeAll($this->rdfFirstResource);
- $newElement->removeAll($this->rdfRestResource);
- //return this ResList
- return $this;
- }
- $element=$newElement;
- } while ($element!==null);
- //return this list
- return $this;
- }
-
- /**
- * Answer true if the list is well-formed, by checking that each
- * node is correctly typed, and has a head and tail pointer from
- * the correct vocabulary
- *
- * @return boolean
- * @access public
- */
- function isValid()
- {
- $element=$this;
- if ($this->_getValue($this)=== null && $this->_getRestElement($this) === null)
- return true;
- do
- {
- //return true if the last element is a rdf:nil
- if ($element->getURI() == RDF_NAMESPACE_URI.RDF_NIL)
- return true;
- //return false, if the current element has no associated value
- if ($this->_getValue($element) === null)
- return false;
-
- $element=$this->_getRestElement($element);
- } while ($element !== null);
- //return false, if the current element has no rdf:rest property
- return false;
- }
-
- /**
- * Get the associated rdf:rest Resource from the suplied ResList element
- *
- * @param object ResList $listElement
- * @return object ResList
- * @access private
- */
- function _getRestElement($listElement)
- {
- //get the rdf:rest property
- $statement= $this->model->getProperty($listElement,$this->rdfRestResource);
- //return null, if this property isn't set
- if ($statement === null)
- return null;
-
- //return the value of the rdf:rest property
- return $statement->getObject();
- }
-
- /**
- * Returns the list element at the $index position.
- *
- * If to $index is suplied, the last list element will be returned
-
- * @param integer $index
- * @return object ResResource
- * @access private
- */
- function _getListElement($index = null)
- {
- $element=$this;
- $actualIndex=0;
-
- while ($element!=null)
- {
- //return the current element if index matches the current index
- if ($actualIndex === $index)
- return $element;
-
- //return the current element if it the last one
- if ($element->hasProperty($this->rdfRestResource,$this->rdfNilResource))
- return $element;
-
- $nextElement=$this->_getRestElement($element);
-
- if ($nextElement!==null)
- {
- $element=$nextElement;
- $actualIndex++;
- } else
- {
- break;
- }
- }
- return $element;
- }
-
- /**
- * Get the value associated to the $listResource by the rdf:first property
- *
- * @param object ResList $listResource
- * @return object ResResource
- * @access private
- */
- function _getValue($listResource)
- {
- //Return the value of the rdf:first property or null, if it isn't set
- $statement=$this->model->getProperty($listResource,$this->rdfFirstResource);
- if ($statement===null)
- return null;
-
- return $statement->getObject();
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResLiteral.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResLiteral.php.svn-base
deleted file mode 100755
index 5e1c2a30..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResLiteral.php.svn-base
+++ /dev/null
@@ -1,65 +0,0 @@
-
-
-*
-* @package resModel
-* @access public
-**/
-
-class ResLiteral extends Literal
-{
- /**
- * Holds a reference to the associated model
- * @var ResModel
- * @access private
- */
- var $model;
-
-
- /**
- * Constructor
- * You have to supply a string.
- *
- * @param string $str label of the literal
- * @param string $language optional language identifier
- */
- function ResLiteral($str,$language = null)
- {
- parent::Literal($str,$language);
-
- }
-
- /**
- * Sets the reference to the assocoated model.
- *
- * @param object model $model
- * @access public
- */
- function setAssociatedModel(& $model)
- {
- $this->model=& $model;
- }
-
- /**
- * Get the reference to the assocoated model.
- *
- * @return object model $model
- * @access public
- */
- function & getAssociatedModel()
- {
- return $this->model;
- }
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModel.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModel.php.svn-base
deleted file mode 100755
index 20db06cc..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModel.php.svn-base
+++ /dev/null
@@ -1,876 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-
-class ResModel
-{
-
- /**
- * Holds a reference to the assoiated memmodel/dbmodel/infmodel
- * @var ResResource
- * @access private
- */
- var $model;
-
-
- /**
- * Constructor
- * You have to supply a memmodel/dbmodel/infmodel to save the statements.
- *
- * @param object model $model
- * @access public
- */
- function ResModel(& $model)
- {
- if (!is_a($model,'Model'))
- trigger_error(RDFAPI_ERROR . '(class: ResourceLayer; method: ResourceLayer):
- $model has to be object of class Model', E_USER_ERROR);
-
- $this->model =& $model;
- }
-
- /**
- * Create a new resource associated with this model.
- * If the uri string isn't set, this creates a bnode.
- * Otherwise it creates a URI node.
- * A URI resource is .equals() to any other URI Resource with the same URI
- * (even in a different model - be warned).
- *
- * This method may return an existing Resource with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Operations on the result Resource may change this model.
- *
- * @param string $uri
- * @return object ResResource
- * @access public
- */
- function createResource($uri = null)
- {
- $resResource = new ResResource($uri);
- //associate the resource with this model, and get a unique identifier
- //if it is bnode.
- $resResource->setAssociatedModel($this);
-
- return $resResource;
- }
-
- /**
- * Create a new Property associated with this model.
- * This method may return an existing property with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned property may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createProperty($uri = null)
- {
- $resProperty = new ResProperty($uri);
- $resProperty->setAssociatedModel($this);
-
- return $resProperty;
- }
-
- /**
- * Create an untyped literal from a String value with a specified language.
- *
- * If you want to type this literal, you have to set a datatype before
- * adding it to the model.
- *
- *
- * @param string $label
- * @param string $languageTag
- * @return object ResLiteral
- * @access public
- */
- function createLiteral($label,$languageTag = null)
- {
- $resLiteral = new ResLiteral($label,$languageTag);
- $resLiteral->setAssociatedModel($this);
-
- return $resLiteral;
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all Statements with $node as object.
- * Returns an array of statements with ResResources.
- *
- * @param object ResResource $subject
- * @param object ResResource $predicate
- * @param object ResResource $object
- * @return array
- * @access public
- * @throws PhpError
- */
- function find($subject,$predicate, $object)
- {
- $result=array();
- //convert ResResources to Resources and Blanknodes
- $resmodel=$this->model->find( $this->_resNode2Node($subject),
- $this->_resNode2Node($predicate),
- $this->_resNode2Node($object)
- );
- //convert Resources, Blanknodes to ResResources
- foreach ($resmodel->triples as $statement)
- {
- $result[]=new Statement($this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
- };
- return $result;
-
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement with ResResources of the Model where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject,$predicate,$object,$offset = 0)
- {
-
- $statement = $this->model->findFirstMatchingStatement( $this->_resNode2Node($subject),
- $this->_resNode2Node($predicate),
- $this->_resNode2Node($object),
- $offset
- );
- if ($statement!==null)
- {
- return new Statement( $this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
- } else
- {
- return null;
- }
- }
-
- /**
- * Adds a new triple to the Model without checking if the statement is already in the Model.
- * So if you want a duplicate free Model use the addWithoutDuplicates() function (which is slower then add())
- * Expects a statements with ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement)
- {
- return $this->model->add(new Statement( $this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
- /**
- * Checks if a new statement is already in the Model and adds the statement, if it is not in the Model.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- * Expects a statements with ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates($statement)
- {
- return $this->model->addWithoutDuplicates(new Statement($this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
-
- /**
- * Tests if the Model contains the given statement.
- * TRUE if the statement belongs to the model;
- * FALSE otherwise.
- * Expects a statement of ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- */
- function contains(& $statement)
- {
-
- return $this->model->contains(new Statement($this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
-
- /**
- * Determine if all of the statements in a model are also contained in this model.
- * True if all of the statements in $model are also contained in this model and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->containsAll($model->getModel());
-
- return $this->model->containsAll($model);
- }
-
- /**
- * Determine if any of the statements in a model are also contained in this model.
- * True if any of the statements in $model are also contained in this model and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->containsAny($model->getModel());
- return $this->model->containsAny($model);
- }
-
- /**
- * Determine if the node (ResResource / ResLiteral) $node appears in any statement of this model.
- *
- * @param object Node &$node
- * @return boolean
- * @access public
- */
- function containsResource(& $node)
- {
- if ($this->findFirstMatchingStatement($node,null,null) === null)
- if ($this->findFirstMatchingStatement(null,$node,null) === null)
- if ($this->findFirstMatchingStatement(null,null,$node) === null)
- return false;
-
- return true;
- }
-
- /**
- * Create a literal from a String value with the $dtype Datatype
- * An existing literal of the right value may be returned, or a fresh one created.
- *
- * @param string $value
- * @param string $dtype
- * @return object ResLiteral
- * @access public
- */
- function createTypedLiteral($value,$dtype)
- {
- $resLiteral = new ResLiteral($value);
- $resLiteral->setDatatype($dtype);
- $resLiteral->setAssociatedModel($this);
-
- return $resLiteral;
- }
-
- /**
- * Checks if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * Warning: This method doesn't work correct with models where the same blank node has different
- * identifiers in the two models. We will correct this in a future version.
- *
- * @access public
- * @param object model &$that
- * @throws phpErrpr
- * @return boolean
- */
- function equals(& $that)
- {
- if (is_a($that,'ResModel'))
- return $this->model->equals($that->getModel());
- return $this->model->equals($that);
- }
-
- /**
- * Returns a new model that is the subtraction of another model from this model.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function subtract($model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->subtract($model->getModel());
- return $this->model->subtract($model);
- }
-
- /**
- * Answer a statement find(s, p, null) with ResResources(ResLiterals) from this model.
- * If none exist, return null; if several exist, pick one arbitrarily.
- *
- * @param object ResResource $subject
- * @param object ResResource $property
- * @return object Statement
- * @access public
- * @throws phpErrpr
- */
- function getProperty($subject,$property)
- {
-
- $statement= $this->model->findFirstMatchingStatement( $this->_resNode2Node($subject),
- $this->_resNode2Node($property),
- null
- );
- if ($statement === null)
- return null;
-
- return new Statement($this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
-
- }
-
- /**
- * Checks if MemModel is empty
- *
- * @return boolean
- * @access public
- */
- function isEmpty()
- {
- return $this->model->isEmpty();
- }
-
- /**
- * Returns a ResIterator with all objects in a model.
- *
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listObjects()
- {
- return $this->listObjectsOfProperty(null);
- }
-
- /**
- * Returns a ResIterator with all objects with a given property and property value.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return object ResIterator
- * @access public
- */
- function listObjectsOfProperty($property, $value = null)
- {
- return new ResIterator(null,$property,$value,'o',$this);
- }
-
-
- /**
- * Returns a ResIterator with all subjects in a model.
- *
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listSubjects()
- {
- return $this->listSubjectsWithProperty(null);
- }
-
- /**
- * Returns a ResIterator with all subjects with a given property and property value.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listSubjectsWithProperty($property,$value = null)
- {
- return new ResIterator(null,$property,$value,'s',$this);
- }
-
- /**
- * Removes the statement of ResResources(ResTriples) from the MemModel.
- * TRUE if the statement is removed.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- return $this->model->remove(new Statement( $this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject())
- ));
- }
-
- /**
- * Number of statements in the MemModel
- *
- * @return integer
- * @access public
- */
- function size()
- {
- return $this->model->size();
- }
-
- /**
- * Returns a new Model that is the set-union of the model with another model.
- * Duplicate statements are removed. If you want to allow duplicates, use addModel() which is much faster.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- *
- */
- function & unite(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->unite($model->getModel());
- return $this->model->unite($model);
- }
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->addModel($model->getModel());
- return $this->model->addModel($model);
- }
-
- /**
- * Create a new RDF Container from type rdf:Alt
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createAlt($uri = null)
- {
- $resAlt = new ResAlt($uri);
- $resAlt->setAssociatedModel($this);
-
- return $resAlt;
- }
-
- /**
- * Create a new RDF Container from type rdf:Bag
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createBag($uri = null)
- {
- $resBag = new ResBag($uri);
- $resBag->setAssociatedModel($this);
-
- return $resBag;
- }
-
- /**
- * Create a new RDF Container from type rdf:Seq
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createSeq($uri = null)
- {
- $resSeq = new ResSeq($uri);
- $resSeq->setAssociatedModel($this);
-
- return $resSeq;
- }
-
- /**
- * Create a new RDF Collection from type rdf:List
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createList($uri = null)
- {
- $resList = new ResList($uri);
- $resList->setAssociatedModel($this);
-
- return $resList;
- }
-
- /**
- * Returns a reference to the underlying model (Mem/DB/InfModel) that contains the statements
- *
- *
- * @return object Model
- * @access public
- */
- function & getModel()
- {
- return $this->model;
- }
-
-
- /**
- * Internal method, that returns a resource URI that is unique for the Model.
- * URIs are generated using the base_uri of the Model, the prefix and a unique number.
- * If no prefix is defined, the bNode prefix, defined in constants.php, is used.
- *
- * @param string $prefix
- * @return string
- * @access private
- */
- function getUniqueResourceURI($bnodePrefix)
- {
- return $this->model->getUniqueResourceURI($bnodePrefix);
- }
-
- /**
- * Load a model from a file containing RDF, N3 or N-Triples.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to this DbModel.
- *
- * @param string $filename
- * @param string $type
- * @param boolean $stream
- * @access public
- */
- function load($filename, $type = NULL, $stream=false)
- {
- $this->model->load($filename, $type, $stream);
- }
-
- /**
- * Return current baseURI.
- *
- * @return string
- * @access public
- */
- function getBaseURI()
- {
- return $this->model->getBaseURI();
- }
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the MemModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the MemModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf')
- {
- return $this->model->saveAs($filename, $type ='rdf');
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- */
- function writeAsHTMLTable()
- {
- $this->model->writeAsHtmlTable();
- }
-
- /**
- * Returns a new model containing all the statements which are in both this model and another.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function & intersect(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->intersect($model->getModel());
- return $this->model->intersect($model);
- }
-
- /**
- * converts a Resource,Blanknode,Literal into a ResResource, ResProperty, or ResLiteral
- *
- * @param object Node $node
- * @param boolean $isProperty
- * @return object ResResource / ResProperty / ResLiteral
- * @access private
- * @throws phpErrpr
- */
- function _node2ResNode($node, $isProperty = false)
- {
- if (is_a($node,'Literal'))
- {
- $return= new ResLiteral($node->getLabel(),$node->getLanguage());
- $return->setDatatype($node->getDatatype());
- $return->setAssociatedModel($this);
-
- return $return;
- }
- if (is_a($node,'Resource'))
- {
- if ($isProperty)
- {
- $res= new ResProperty($node->getLabel());
- } else
- {
- $res= new ResResource($node->getLabel());
- }
- $res->setAssociatedModel($this);
- if (is_a($node,'Blanknode'))
- $res->setIsAnon(true);
-
- return $res;
- }
- }
-
- /**
- * converts a ResResource, ResProperty, or ResLiteral into a Resource, Blanknode, or Literal
- *
- * @param object ResNode $resNode
- * @return object Node
- * @access private
- * @throws phpErrpr
- */
- function _resNode2Node($resNode)
- {
- if (is_a($resNode,'ResResource'))
- {
- if ($resNode->getIsAnon())
- {
- $return=new BlankNode($resNode->getURI());
- } else
- {
- $return=new Resource($resNode->getURI());
- }
- return $return;
- }
-
- if (is_a($resNode,'ResLiteral'))
- {
- $literal=new Literal($resNode->getLabel(),$resNode->getLanguage());
- if ($resNode->getDatatype() != null)
- $literal->setDatatype($resNode->getDatatype());
- return $literal;
- }
- }
-
- /**
- * Set a base URI for the MemModel.
- * Affects creating of new resources and serialization syntax.
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * @param string $uri
- * @access public
- */
- function setBaseURI($uri)
- {
- $this->model->setBaseURI($uri);
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- * @return string
- */
- function writeRdfToString()
- {
- return $this->model->writeRdfToString();
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function & rdqlQuery($queryString, $returnNodes = TRUE)
- {
- $ret = $this->model->rdqlQuery($queryString, $returnNodes);
- return $ret;
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE)
- {
- return $this->model->rdqlQueryAsIterator($queryString, $returnNodes);
- }
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gau
- * @access public
- * @return Array
- */
- function getParsedNamespaces(){
- return $this->model->getParsedNamespaces();
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gau
- * @access public
- * @param Array $newNs
- */
- function addParsedNamespaces($newNs){
- $this->model->addParsedNamespaces($newNs);
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gau
- * @access public
- * @param String $prefix, String $nmsp
- */
- function addNamespace($prefix, $namespace){
- $this->model->addNamespace($prefix, $namespace);
- }
-
- /**
- * removes a single namespace from the model
- *
- * @author Tobias Gau
- * @access public
- * @param String $nmsp
- */
- function removeNamespace($nmsp){
- return $this->model->removeNamespace($nmsp);
- }
-
-
-
-
-
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModelP.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModelP.php.svn-base
deleted file mode 100755
index 91a7a0d9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResModelP.php.svn-base
+++ /dev/null
@@ -1,24 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include ResModel classes
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResResource.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResContainer.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResAlt.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResBag.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResLiteral.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResProperty.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResSeq.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResIterator.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResList.php');
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResProperty.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResProperty.php.svn-base
deleted file mode 100755
index 188ad745..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResProperty.php.svn-base
+++ /dev/null
@@ -1,32 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-class ResProperty extends ResResource
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResProperty($uri)
- {
- parent::ResResource($uri);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResResource.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResResource.php.svn-base
deleted file mode 100755
index 54b38ef7..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResResource.php.svn-base
+++ /dev/null
@@ -1,212 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-class ResResource extends Resource
-{
- /**
- * Holds a reference to the associated model
- * @var ResModel
- * @access private
- */
- var $model;
-
- /**
- * Is true, if this resource is an anonymous node.
- * @var boolean
- * @access private
- */
- var $isAnon;
-
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function ResResource($uri)
- {
- parent::Resource($uri);
- $this->isAnon = ($uri === null);
- }
-
- /**
- * Sets the reference to the assocoated model.
- *
- * @param object Model $model
- * @access public
- */
- function setAssociatedModel(& $model)
- {
- $this->model=& $model;
- if ($this->isAnon)
- $this->uri=$this->model->getUniqueResourceURI(BNODE_PREFIX);
- }
-
- /**
- * Get the reference to the assocoated model.
- *
- * @return object Model $model
- * @access public
- */
- function getAssociatedModel()
- {
- return $this->model;
- }
-
- /**
- * Sets the URI of this resource
- *
- * @param string $uri
- * @access public
- */
- function setURI($uri)
- {
- $this->uri = $uri;
- }
-
- /**
- * Add a property to this resource.
- * A statement with this resource as the subject, p as the predicate and o
- * as the object is added to the model associated with this resource.
- *
- * @param ResResource $property
- * @param ResResource/ResLiteral $object
- * @return object ResResource
- * @access public
- */
- function addProperty($property,$object)
- {
- $this->model->add(new Statement($this,$property,$object));
-
- return $this;
- }
-
- /**
- * List all the values with the property p as statements in an array.
- *
- * @param ResResource $property
- * @return ResIterator
- * @access public
- */
- function listProperties($property = null)
- {
- return $this->model->find($this,$property,null);
- }
-
- /**
- * Answer some statement (this, p, O) in the associated model.
- * If there are several such statements, any one of them may be returned.
- * If no such statements exist, null is returned.
- *
- * @param ResResource $property
- * @return object ResResource
- * @access public
- */
- function getProperty($property)
- {
- return $this->model->getProperty($this,$property);
- }
-
- /**
- * Determine whether this resource has any values for a given property.
- *
- * @param ResResource $property
- * @param ResResource $value
- * @return object ResResource
- * @access public
- */
- function hasProperty($property, $value = null)
- {
- $ret= $this->model->findFirstMatchingStatement($this,$property,$value);
-
- return ($ret!==null);
- }
-
- /**
- * Determine whether this resource is an anonymous resource
- *
- * @return boolean
- * @access public
- */
- function getIsAnon()
- {
- return $this->isAnon;
- }
-
- /**
- * Set whether this resource is an anonymous resource
- *
- * @param boolean
- * @access public
- */
- function setIsAnon($isAnon)
- {
- $this->isAnon=$isAnon;
- }
-
- /**
- * Checks if the resource equals another resource.
- * Two resources are equal, if they have the same URI
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that)
- {
- if (is_a($that,'ResLiteral'))
- return $that->equals($this);
-
- return ($that!==null && ($this->getURI() == $that->getURI()));
- }
-
- /**
- * Delete all the statements with predicate p for this resource from
- * its associated model.
- *
- * @access public
- * @param object resource $property
- * @return object ResResource
- */
- function removeAll($property = null)
- {
- foreach ($this->model->find($this,$property,null) as $statement)
- {
- $this->model->remove($statement);
- }
- return $this;
- }
-
- /**
- * Delete all the properties for this resource from the associated model.
- *
- * @access public
- * @return object ResResource
- */
- function removeProperties()
- {
- $this->removeAll();
- return $this;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResSeq.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResSeq.php.svn-base
deleted file mode 100755
index a16bb582..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/.svn/text-base/ResSeq.php.svn-base
+++ /dev/null
@@ -1,153 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResSeq extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResSeq($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_SEQ);
- }
-
- /**
- * Insert a new member into the sequence at the specified position.
- * The existing member at that position, and all others with higher indexes,
- * have their index increased by one.
- *
- * @param integer $index
- * @param object ResResource/ResLiteral $resResource
- * @return boolean
- * @access public
- */
- function addAtIndex($index, $object)
- {
- //get a members index
- $memberIndex= $this->getMembers();
-
- //type this container, if it isn't already typed
- if(!$this->hasProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE)))
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE),$this->containerType);
-
- //renumber all higher members
- for ($i = count($memberIndex);$i >= $index ; $i--)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i+1),$memberIndex[$i]);
- }
- //remove the old value at this position
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
- //add the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex($index),$object);
-
- return $this;
- }
-
- /**
- * Get the member at a given index
- *
- * @param integer $index
- * @return object ResResource/ResLiteral
- * @access public
- */
- function getMember($index)
- {
- $result=$this->listProperties($this->_getMembershipPropertyWithIndex($index));
- if (isset($result[0]))
- {
- return $result[0];
- }
- else
- {
- return null;
- }
- }
-
- /**
- * Return the index of a given member of the sequence.
- * If the same value appears more than once in the sequence, it is undefined
- * which of the indexes will be returned.
- * If the member is not found in this sequence, a value of 0 is returned.
- *
- * @param object ResResource/ResLiteral $object
- * @return integer
- * @access public
- */
- function indexOf($object)
- {
- //check all members, until $object is found
- foreach ($this->listProperties() as $statement)
- {
- $predicateLabel=$statement->getLabelPredicate();
- if ($this->_predicateLabelMatchesMembershipProperty($predicateLabel))
- {
- if($object->equals($statement->getObject()))
- //analyze the container membership property and return the index
- return $this->_getMemberIndexNrFromMembershipPropertyLabel($predicateLabel);
- }
- }
- //return 0 if $object wasn't found
- return 0;
- }
-
- /**
- * Remove the member at the specified index.
- * All other members with a higher index will have their index reduced by one.
- *
- * @param integer $index
- * @access public
- */
- function removeAtIndex($index)
- {
- $memberIndex= $this->getMembers();
-
-
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
-
- for ($i = $index;$i < count($memberIndex); $i++)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i+1));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i),$memberIndex[$i+1]);
- }
- return $this;
- }
-
- /**
- * Set the value at a given index in the sequence.
- *
- * If the index is not in the range of the sequence, false is returned
- *
- * @param integer $index
- * @return boolean
- * @access public
- */
- function set($index, $object)
- {
- if (!$this->hasProperty($this->_getMembershipPropertyWithIndex($index)))
- return false;
-
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
- $this->addProperty($this->_getMembershipPropertyWithIndex($index),$object);
- return true;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResAlt.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResAlt.php
deleted file mode 100755
index f4fed7c0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResAlt.php
+++ /dev/null
@@ -1,78 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResAlt extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResAlt($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_ALT);
- }
-
- /**
- * Return the default value for this resource
- *
- * @return object ResResource/ResLiteral
- * @access public
- */
- function getDefault()
- {
- //get the first memeber
- $statements=$this->listProperties($this->_getMembershipPropertyWithIndex(1));
- if(isset($statements[0]))
- {
- //return the value
- return $statements[0]->getObject();
- } else
- {
- return null;
- }
- }
-
- /**
- * Set the default value of this container.
- *
- * @param object ResResource/ResLiteral $object
- * @access public
- */
- function setDefault($object)
- {
- //remember the old default value
- $oldDefaultObject=$this->getDefault();
- //if there wasn't a default value before
- if($oldDefaultObject === null)
- {
- //add the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
- } else
- {
- //remove the old value
- $this->removeAll($this->_getMembershipPropertyWithIndex(1));
- //set the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
- //add the old default value at the end
- $this->add($oldDefaultObject);
- }
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResBag.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResBag.php
deleted file mode 100755
index 98fa662a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResBag.php
+++ /dev/null
@@ -1,32 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResBag extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResBag($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_BAG);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResContainer.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResContainer.php
deleted file mode 100755
index 18c253f0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResContainer.php
+++ /dev/null
@@ -1,219 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-
-class ResContainer extends ResResource
-{
- /**
- * Holds a ResResource of this container type rdf:Seq, rdf:Alt, or rdf:Bag
- * @var ResResource
- * @access private
- */
- var $containerType;
-
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResContainer($uri = null)
- {
- parent::ResResource($uri);
- }
-
- /**
- * Add a new value to a container.
- * The new value is added as the last element of the container.
- *
- * @param object ResResource/ResLiteral $object
- * @access public
- */
- function add($object)
- {
- //type this container, if it isn't already typed
- if(!$this->hasProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE)))
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE),$this->containerType);
- //get the current size
- $actualSize=$this->size();
- //add the object to the last position
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.'_'.($actualSize+1)),$object);
- }
-
- /**
- * Determine whether the container contains a value
- *
- * @param obejct ResResource/ResLiteral $resResource
- * @return boolean
- * @access public
- */
- function contains($resResource)
- {
- //get all container's properties
- foreach ($this->listProperties() as $statement)
- {
- //if the property matches a container membership property
- if ($this->_predicateLabelMatchesMembershipProperty($statement->getLabelPredicate()))
- {
- //check, if it's the value, we're looking for.
- if ($resResource->equals($statement->getObject()))
- return true;
- }
- }
- return false;
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Alt
- *
- * @return boolean
- * @access public
- */
- function isAlt()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_ALT);
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Bag
- *
- * @return boolean
- * @access public
- */
- function isBag()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_BAG);
- }
-
- /**
- * Returns true, if this resource is a container from type rdf:Seq
- *
- * @return boolean
- * @access public
- */
- function isSeq()
- {
- return ($this->containerType->getURI()==RDF_NAMESPACE_URI.RDF_SEQ);
- }
-
- /**
- * Get an array of all resources that are values of this container
- *
- * @return array
- * @access public
- */
- function getMembers()
- {
- $return=array();
- foreach ($this->listProperties() as $statement)
- {
- $predicateLabel=$statement->getLabelPredicate();
- if ($this->_predicateLabelMatchesMembershipProperty($predicateLabel))
- {
- $return[$this->_getMemberIndexNrFromMembershipPropertyLabel($predicateLabel)] = $statement->getObject();
- }
- }
- return $return;
- }
-
- /**
- * Remove a value from the container.
- *
- * Once removed, the values in the container with a higher ordinal value are renumbered.
- * The renumbering algorithm depends on the type of container.
- *
- * @param obejct ResResource/ResLiteral $resResource
- * @access public
- */
- function remove($object)
- {
- $deleteFromIndex=array();
- //get all container members
- $memberIndex=$this->getMembers();
-
- //check each container member if it equals the resoure to be removed
- foreach ($memberIndex as $key => $value)
- {
- //save the statements positio in the container
- if($object->equals($value))
- $deleteFromIndex[]=$key;
- }
-
- //delete all found container members
- foreach ($deleteFromIndex as $index)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
-
- //renumber all members with higher ordinal numbers than the deleted one
- for ($i = $index;$i < count($memberIndex); $i++)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i+1));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i),$memberIndex[$i+1]);
- }
- }
-
- }
-
- /**
- * Returns the number values in the container.
- *
- * @return integer
- * @access public
- */
- function size()
- {
- return count($this->getMembers());
- }
-
- /**
- * Checks, if a predicate label fits a container membership property rdf:_n
- *
- * @param string $predicateLabel
- * @return boolean
- * @access private
- */
- function _predicateLabelMatchesMembershipProperty($predicateLabel)
- {
- return substr($predicateLabel,0,strlen(RDF_NAMESPACE_URI.'_')) == RDF_NAMESPACE_URI.'_';
- }
-
- /**
- * Get the ordinal number from a membership property rdf:_n
- *
- * @param string $predicateLabel
- * @return integer
- * @access private
- */
- function _getMemberIndexNrFromMembershipPropertyLabel($predicateLabel)
- {
- return (int)substr($predicateLabel,strlen(RDF_NAMESPACE_URI.'_'));
- }
-
- /**
- * Get a membership property rdf:_n with index $int
- *
- * @param intger $int
- * @return string
- * @access private
- */
- function _getMembershipPropertyWithIndex($int)
- {
- return new ResResource(RDF_NAMESPACE_URI.'_'.$int);
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResIterator.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResIterator.php
deleted file mode 100755
index 3395dfe2..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResIterator.php
+++ /dev/null
@@ -1,298 +0,0 @@
-listInstances();
-* for ($it->rewind(); $it->valid(); $it->next())
-* {
-* $currentResource=$it->current();
-* };
-*
-*
-* @version $Id: ResIterator.php 522 2007-08-14 09:22:22Z cweiske $
-* @author Daniel Westphal
-*
-*
-* @package resModel
-* @access public
-**/
-class ResIterator
-{
- /**
- * Holds a reference to the assoiated ResModel / OntModel
- * @var object Model
- * @access private
- */
- var $associatedModel;
-
- /**
- * The current position
- * @var integer
- * @access private
- */
- var $key;
-
- /**
- * If the current resource is valid
- * @var boolean
- * @access private
- */
- var $valid;
-
- /**
- * The current resource
- * @var obejct ResResource
- * @access private
- */
- var $currentResource;
-
- /**
- * The subject to search for.
- * @var object ResResource
- * @access private
- */
- var $searchSubject;
-
- /**
- * The predicate to search for.
- * @var object ResResource
- * @access private
- */
- var $searchPredicate;
-
- /**
- * The object to search for.
- * @var object ResResource
- * @access private
- */
- var $searchObject;
-
- /**
- * If the resource, we're intrested in is the subject (s), predicate(p),
- * or object (o) of the found statements
- *
- * @var string
- * @access private
- */
- var $getSPO;
-
- /**
- * Defines the type of resource, we'd like to receive.
- *
- * @var string
- * @access private
- */
- var $returnType;
-
- /**
- * If set, each resource will first be checked, if it's
- * language fits.
- *
- * @var string
- * @access private
- */
- var $findLiteralWithLang;
-
-
- /**
- * Constructor.
- *
- * $subject, $predicate, and $object are used like inf find().
- * $getSPO supports the strings 's', 'p', and 'o' to return
- * either the subject, predicate, or object of the result statements.
- * $returnType supports the strings 'ResProperty', 'ResLiteral',
- * 'OntProperty', 'OntClass', and 'Individual' and returns the resources
- * as the matching type.
- *
- * @param object ResResource $subject
- * @param object ResResource $predicate
- * @param object ResResource $object
- * @param string $getSPO
- * @param object ResModel $associatedModel
- * @param string $returnType
- * @access public
- */
- function ResIterator($subject,$predicate,$object,$getSPO,& $associatedModel,$returnType = false)
- {
- $this->searchSubject =& $subject;
- $this->searchPredicate =& $predicate;
- $this->searchObject =& $object;
- $this->getSPO = $getSPO;
- $this->returnType = $returnType;
- $this->associatedModel =& $associatedModel;
- $this->findLiteralWithLang = false;
- }
-
- /**
- * Resets iterator list to start
- *
- * @access public
- */
- function rewind()
- {
- $this->key = -1;
- $this->next();
- }
-
- /**
- * Says if there are additional items left in the list
- *
- * @return boolean
- * @access public
- */
- function valid()
- {
- return $this->valid;
- }
-
- /**
- * Moves Iterator to the next item in the list
- *
- * @access public
- */
- function next()
- {
- $this->key++;
- $this->valid=($this->_getNextResource());
- }
-
- /**
- * Returns the current item
- *
- * @return mixed
- * @access public
- */
- function current()
- {
- return $this->currentResource;
- }
-
- /**
- * Returns the next Resource (subject, predicate,
- * or object of the next matching statement).
- *
- * @return object resResource
- * @access private
- */
- function _getNextResource()
- {
- if ($this->findLiteralWithLang)
- {
- do
- {
- $nextStatement = $this->associatedModel->findFirstMatchingStatement($this->searchSubject,$this->searchPredicate,$this->searchObject,$this->key);
- if ($nextStatement === null)
- return false;
-
- $object = $nextStatement->getObject();
- if ($object->getLanguage() != $this->findLiteralWithLang)
- {
- $hasCorrectLanguage=false;
- $this->key++;
- } else
- {
- $hasCorrectLanguage=true;
- }
-
- } while (!$hasCorrectLanguage);
- } else
- {
- $nextStatement = $this->associatedModel->findFirstMatchingStatement($this->searchSubject,$this->searchPredicate,$this->searchObject,$this->key);
- }
- if ($nextStatement === null)
- return false;
-
- switch ($this->getSPO)
- {
- case 's':
- $this->currentResource = $this->_getResourceAs($nextStatement->getSubject());
- break;
-
- case 'p':
- $this->currentResource = $this->_getResourceAs($nextStatement->getPredicate());
- break;
-
- case 'o':
- $this->currentResource = $this->_getResourceAs($nextStatement->getObject());
- break;
- }
- return (true);
- }
-
- /**
- * Returns the key of the current item
- *
- * @return integer
- * @access public
- */
- function key()
- {
- return $this->key;
- }
-
- /**
- * Sets that only Literals with the matching
- * language should be returned
- *
- * @param string
- * @access public
- */
- function setFindLiteralWithLang($language)
- {
- $this->findLiteralWithLang = $language;
- }
-
- /**
- * Returns the $resource as an instance of the type
- * specified in $this->returnType.
- *
- * @param object ResResource
- * @return object ResResource
- * @access private
- */
- function _getResourceAs($resource)
- {
- if ($this->findLiteralWithLang && $resource->getLanguage() != $this->findLiteralWithLang)
- $this->_getNextResource();
-
- if($this->returnType)
- switch ($this->returnType) {
-
- case 'ResProperty':
- return $this->associatedModel->createProperty($resource->getLabel());
- break;
-
- case 'ResLiteral':
- $newLiteral = $this->associatedModel->createLiteral($resource->getLabel(),$resource->getLanguage());
- $newLiteral->setDatatype($resource->getDatatype());
- return $newLiteral;
- break;
-
- case 'OntProperty':
-
- return $this->associatedModel->createOntProperty($resource->getLabel());
- break;
-
- case 'OntClass':
- return $this->associatedModel->createOntClass($resource->getLabel());
- break;
-
- case 'Individual':
- return $this->associatedModel->createIndividual($resource->getLabel());
- break;
- }
- return $resource;
- }
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResList.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResList.php
deleted file mode 100755
index feeb96f6..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResList.php
+++ /dev/null
@@ -1,635 +0,0 @@
-
-
-*
-* @package resModel
-* @access public
-*/
-class ResList extends ResResource
-{
- /**
- * Holds a ResResource with the uri rdf:rest
- * @var ResResource
- * @access private
- */
- var $rdfRestResource;
-
- /**
- * Holds a ResResource with the uri rdf:first
- * @var ResResource
- * @access private
- */
- var $rdfFirstResource;
-
- /**
- * Holds a ResResource with the uri rdf:nil
- * @var ResResource
- * @access private
- */
- var $rdfNilResource;
-
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResList($uri = null)
- {
- //call the parent's constructor
- parent::ResResource($uri);
- //initialize vars
- $this->rdfRestResource = new ResResource(RDF_NAMESPACE_URI.RDF_REST);
- $this->rdfFirstResource = new ResResource(RDF_NAMESPACE_URI.RDF_FIRST);
- $this->rdfNilResource = new ResResource(RDF_NAMESPACE_URI.RDF_NIL);
- }
-
- /**
- * Returns the value of the list element at the specified position or null.
- *
- * @param integer $position
- * @return ResResource
- * @access public
- */
- function get($position)
- {
- //init
- $listElement=$this;
- //walk through the list until the position in the list is reached
- for ($i=0;$i<$position;$i++)
- {
- $listElement=$this->_getRestElement($listElement);
- if($listElement===null)
- return null;
- }
- //return the associated value
- return $this->_getValue($listElement);
- }
-
- /**
- * Add the given value to the end of the list.
- * it is only defined if this is not the empty list.
- *
- * @param object ResResource $resource
- * @return boolean
- * @access public
- */
- function add($resource)
- {
- //return false if this list is the empty list
- if($this->uri==RDF_NAMESPACE_URI.RDF_NIL)
- return false;
-
- //if this is the first value
- if ($this->isEmpty())
- {
- $newLastElement =& $this;
- } else
- //if there are other values in the list
- {
- //get the last list element
- $lastElement=$this->_getListElement();
- //remove the rdf:rest property
- $lastElement->removeAll($this->rdfRestResource);
- //create a new list element
- $newLastElement=$this->model->createResource();
- //concatenate the new list element with the list
- $lastElement->addProperty($this->rdfRestResource,$newLastElement);
- }
- //add the value
- $newLastElement->addProperty($this->rdfFirstResource,$resource);
- //ad the rdf:nil property to the last list element
- $newLastElement->addProperty($this->rdfRestResource,$this->rdfNilResource);
-
- return true;
- }
-
- /**
- * Update the head of the list to have the given value,
- * and return the previous value.
- *
- * @param object ResResource $value
- * @return ResResource
- * @access public
- */
- //todo: error handling, when empty list
- function setHead($value)
- {
- //save the old value
- $oldValue=$this->getHead();
- //remove the old value
- $this->removeAll($this->rdfFirstResource);
- //add the new value
- $this->addProperty($this->rdfFirstResource,$value);
-
- //return the old value
- return $oldValue;
- }
-
- /**
- * Get the value that is associated with the head of the list.
- *
- * @return ResResource
- * @access public
- */
- //todo: error handling, falls empty list
- function getHead()
- {
- return $this->_getValue($this);
- }
-
- /**
- * Remove the head of the list. The tail of the list
- * remains in the model. Note that no changes are made to
- * list cells that point to this list cell as their tail.
- *
- * @return ResList
- * @access public
- */
- function removeHead()
- {
- //get the second list element
- $rest=$this->_getRestElement($this);
- //remove the first element
- $this->removeAll($this->rdfFirstResource);
- $this->removeAll($this->rdfRestResource);
- //change this Resource URI to that of the second list element
- //thus makin it the fist element
- $this->uri=$rest->getURI();
-
- //return the new list
- return $this;
- }
-
- /**
- * Get the Position of the first occurrence of the given value in the list,
- * or -1 if the value is not in the list.
- * You can supply an offset to search for values. (First element has offset 0)
- * Default is 0
- *
- * @param object ResResource $resource
- * @param integer $offset
- * @return integer
- * @access public
- */
- function indexOf($resource, $offset = 0)
- {
- //init
- $element=$this;
- $actualIndex=0;
-
- //walk through the list until the value is found and the position is higher than
- //the offset
- while ($actualIndex < $offset || !$resource->equals($this->_getValue($element)))
- {
- //get next list element
- $element=$this->_getRestElement($element);
- $actualIndex++;
-
- //if the end of the list is reached and the value isn't found
- if ($element===null)
- return null;
- }
- //return the index value
- return $actualIndex;
- }
-
- /**
- * Replace the value at the i'th position in the list with the given value
- *
- * @param integer $index
- * @param object ResResource $resource
- * @return object ResResource
- * @access public
- */
- function replace($index, $resource)
- {
- //get the list element at the $index position
- $listElement=$this->_getListElement($index);
- //get the old value
- $oldValue=$this->_getValue($listElement);
- //remove the old value
- $listElement->removeAll($this->rdfFirstResource);
- //add the new value
- $listElement->addProperty($this->rdfFirstResource,$resource);
- //return the old value
- return $oldValue;
- }
-
- /**
- * Answer true if the given node appears as the value of a value
- * of any of the cells of this list.
- *
- * @param object ResResource $value
- * @return boolean
- * @access public
- */
- function contains($value)
- {
- //return true, if a position was found.
- $result=$this->indexOf($value);
- return ($result!==null);
- }
-
- /**
- * Get the list that is the tail of this list.
- *
- * @return object ResList
- * @access public
- */
- function getTail()
- {
- //get the second list element
- $nextListElement= $this->_getRestElement($this);
- //return the second element as new list
- return $this->model->createList($nextListElement->getURI());
- }
-
- /**
- * Remove all of the components of this list from the model.
- * Note that this is operation is only removing the list cells
- * themselves, not the resources referenced by the list -
- * unless being the object of an rdf:first statement is the
- * only mention of that resource in the model.
- *
- * @return boolean
- * @access public
- */
- function removeList()
- {
- $element=$this;
-
- while ($element!==null)
- {
- $nextElement=$this->_getRestElement($element);
-
- $element->removeAll($this->rdfFirstResource);
- $element->removeAll($this->rdfRestResource);
-
- if (($nextElement !== null) && ($nextElement->getURI()!==RDF_NAMESPACE_URI.RDF_NIL))
- {
- $element=$nextElement;
- } else
- {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Returns true, if this list is empty
- *
- * @param object Statement $statement
- * @return integer
- * @access public
- */
- function isEmpty()
- {
- return !$this->hasProperty($this->rdfFirstResource);
- }
-
- /**
- * Get all values in the list as an array of ResResources
- *
- * @return array
- * @access public
- */
- function getContentInArray()
- {
- $result=array();
- $element=$this;
-
- while ($element!==null)
- {
- //add the value of the current element to the result if is set.
- $value=$this->_getValue($element);
- if ($value!==null)
- $result[]=$value;
-
- //walk through the list until it's end
- $nextElement=$this->_getRestElement($element);
- if (($nextElement !== null) && ($nextElement->getURI()!==RDF_NAMESPACE_URI.RDF_NIL))
- {
- $element=$nextElement;
- } else
- {
- break;
- }
- }
- //return the result
- return $result;
- }
-
- /**
- * Change the tail of this list to point to the given list, so that this list
- * becomes the list of the concatenation of the elements of
- * both lists. This is a side-effecting operation on this list;
- * for a non side-effecting alternative, see append.
- *
- *
- * @param object ResList $ResList
- * @access public
- */
- function concatenate($ResList)
- {
- //get the last list element
- $lastElement=$this->_getListElement();
- //remove the old tail (rdf:nil)
- $lastElement->removeAll($this->rdfRestResource);
- //add the $ResList as new tail
- $lastElement->addProperty($this->rdfRestResource,$ResList);
- }
-
- /**
- * Answer a new list that is formed by adding each element of
- * this list to the head of the given list. This is a non
- * side-effecting operation on either this list or the given
- * list, but generates a copy of this list. For a more storage
- * efficient alternative, see concatenate
- *
- * @param object ResList $ResList
- * @return object ResList
- * @access public
- */
- function append($resList)
- {
- //get a copy of this list
- $newList=$this->copy();
-
- //add all values from the $resList to the new list
- foreach ($resList->getContentInArray() as $value)
- {
- $newList->add($value);
- }
- //return the new list
- return $newList;
- }
-
- /**
- * Answer a list that contains all of the elements of this
- * list in the same order, but is a duplicate copy in the
- * underlying model.
- *
- * @return object ResList
- * @access public
- */
- function copy()
- {
- //create a new list in the model
- $newList=$this->model->createList();
- //add all values from this list to the new list
- foreach ($this->getContentInArray() as $value)
- {
- $newList->add($value);
- }
- //return the new list
- return $newList;
- }
-
- /**
- * Return a reference to a new list cell whose head is value
- * and whose tail is this list.
- *
- * @param object ResResource $value
- * @return object ResList
- * @access public
- */
- function cons($value)
- {
- //create a new list
- $newList=$this->model->createList();
- //add the new value
- $newList->add($value);
- //set this list as the tail of the new list
- $newList->setTail($this);
-
- //return the new list
- return $newList;
- }
-
- /**
- * Update the list cell at the front of the list to have the
- * given list as tail. The old tail is returned, and remains
- * in the model.
- *
- * @param object ResList $resList
- * @return object Reslist
- * @access public
- */
- function setTail($resList)
- {
- //save the old tail
- $oldTail=$this->getTail();
- //remove the old tail
- $this->removeAll($this->rdfRestResource);
- //add the $resList as new Tail
- $this->addProperty($this->rdfRestResource,$resList);
-
- //return the old tail
- return $oldTail;
- }
-
- /**
- * Answer true if this list has the same elements in the
- * same order as the given list. Note that the standard equals
- * test just tests for equality of two given list cells.
- * While such a test is sufficient for many purposes, this
- * test provides a broader equality definition, but is
- * correspondingly more expensive to test.
- *
- * @param object ResList $resList
- * @return boolean
- * @access public
- */
- function sameListAs($resList)
- {
- //init
- $indexPos=0;
- do
- {
- //get the values for both lists at the actual position
- $thisValue=$this->get($indexPos);
- $thatValue=$resList->get($indexPos);
- //if the values aren't equal, return false
- if (($thisValue !== null) && !$thisValue->equals($thatValue))
- return false;
-
- $indexPos++;
- //walk until this list reaches a null value (end)
- } while ($thisValue!==null);
-
- //if the other list has a null value at this position too, return true
- //else return false
- return ($thatValue===null);
- }
-
- /**
- * Remove the given value from this list.
- * If value does not occur in the list, no action is taken. Since removing the
- * head of the list will invalidate the list head cell, in
- * general the list must return the list that results from
- * this operation. However, in many cases the return value
- * will be the same as the object that this method is invoked
- * on.
- *
- * @param object ResResource $value
- * @return object ResList
- * @access public
- */
- function remove($value)
- {
- //if the value is the value of the first list element(head)
- //call the remove head position and return the new head
- if ($value->equals($this->_getValue($this)))
- return $this->removeHead();
-
- $element=$this;
- do
- {
- $newElement=$this->_getRestElement($element);
-
- //if the value equals the value of the current list element
- if ($newElement !== null && $value->equals($this->_getValue($newElement)))
- {
- //remove the link to the list element to be removed
- $element->removeAll($this->rdfRestResource);
- //add a link to the list element AFTER the element to be deleted
- $element->addProperty($this->rdfRestResource,$this->_getRestElement($newElement));
- //remove the list element with values
- $newElement->removeAll($this->rdfFirstResource);
- $newElement->removeAll($this->rdfRestResource);
- //return this ResList
- return $this;
- }
- $element=$newElement;
- } while ($element!==null);
- //return this list
- return $this;
- }
-
- /**
- * Answer true if the list is well-formed, by checking that each
- * node is correctly typed, and has a head and tail pointer from
- * the correct vocabulary
- *
- * @return boolean
- * @access public
- */
- function isValid()
- {
- $element=$this;
- if ($this->_getValue($this)=== null && $this->_getRestElement($this) === null)
- return true;
- do
- {
- //return true if the last element is a rdf:nil
- if ($element->getURI() == RDF_NAMESPACE_URI.RDF_NIL)
- return true;
- //return false, if the current element has no associated value
- if ($this->_getValue($element) === null)
- return false;
-
- $element=$this->_getRestElement($element);
- } while ($element !== null);
- //return false, if the current element has no rdf:rest property
- return false;
- }
-
- /**
- * Get the associated rdf:rest Resource from the suplied ResList element
- *
- * @param object ResList $listElement
- * @return object ResList
- * @access private
- */
- function _getRestElement($listElement)
- {
- //get the rdf:rest property
- $statement= $this->model->getProperty($listElement,$this->rdfRestResource);
- //return null, if this property isn't set
- if ($statement === null)
- return null;
-
- //return the value of the rdf:rest property
- return $statement->getObject();
- }
-
- /**
- * Returns the list element at the $index position.
- *
- * If to $index is suplied, the last list element will be returned
-
- * @param integer $index
- * @return object ResResource
- * @access private
- */
- function _getListElement($index = null)
- {
- $element=$this;
- $actualIndex=0;
-
- while ($element!=null)
- {
- //return the current element if index matches the current index
- if ($actualIndex === $index)
- return $element;
-
- //return the current element if it the last one
- if ($element->hasProperty($this->rdfRestResource,$this->rdfNilResource))
- return $element;
-
- $nextElement=$this->_getRestElement($element);
-
- if ($nextElement!==null)
- {
- $element=$nextElement;
- $actualIndex++;
- } else
- {
- break;
- }
- }
- return $element;
- }
-
- /**
- * Get the value associated to the $listResource by the rdf:first property
- *
- * @param object ResList $listResource
- * @return object ResResource
- * @access private
- */
- function _getValue($listResource)
- {
- //Return the value of the rdf:first property or null, if it isn't set
- $statement=$this->model->getProperty($listResource,$this->rdfFirstResource);
- if ($statement===null)
- return null;
-
- return $statement->getObject();
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResLiteral.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResLiteral.php
deleted file mode 100755
index 2c059e8a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResLiteral.php
+++ /dev/null
@@ -1,65 +0,0 @@
-
-
-*
-* @package resModel
-* @access public
-**/
-
-class ResLiteral extends Literal
-{
- /**
- * Holds a reference to the associated model
- * @var ResModel
- * @access private
- */
- var $model;
-
-
- /**
- * Constructor
- * You have to supply a string.
- *
- * @param string $str label of the literal
- * @param string $language optional language identifier
- */
- function ResLiteral($str,$language = null)
- {
- parent::Literal($str,$language);
-
- }
-
- /**
- * Sets the reference to the assocoated model.
- *
- * @param object model $model
- * @access public
- */
- function setAssociatedModel(& $model)
- {
- $this->model=& $model;
- }
-
- /**
- * Get the reference to the assocoated model.
- *
- * @return object model $model
- * @access public
- */
- function & getAssociatedModel()
- {
- return $this->model;
- }
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModel.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModel.php
deleted file mode 100755
index 0aa16b43..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModel.php
+++ /dev/null
@@ -1,876 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-
-class ResModel
-{
-
- /**
- * Holds a reference to the assoiated memmodel/dbmodel/infmodel
- * @var ResResource
- * @access private
- */
- var $model;
-
-
- /**
- * Constructor
- * You have to supply a memmodel/dbmodel/infmodel to save the statements.
- *
- * @param object model $model
- * @access public
- */
- function ResModel(& $model)
- {
- if (!is_a($model,'Model'))
- trigger_error(RDFAPI_ERROR . '(class: ResourceLayer; method: ResourceLayer):
- $model has to be object of class Model', E_USER_ERROR);
-
- $this->model =& $model;
- }
-
- /**
- * Create a new resource associated with this model.
- * If the uri string isn't set, this creates a bnode.
- * Otherwise it creates a URI node.
- * A URI resource is .equals() to any other URI Resource with the same URI
- * (even in a different model - be warned).
- *
- * This method may return an existing Resource with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Operations on the result Resource may change this model.
- *
- * @param string $uri
- * @return object ResResource
- * @access public
- */
- function createResource($uri = null)
- {
- $resResource = new ResResource($uri);
- //associate the resource with this model, and get a unique identifier
- //if it is bnode.
- $resResource->setAssociatedModel($this);
-
- return $resResource;
- }
-
- /**
- * Create a new Property associated with this model.
- * This method may return an existing property with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned property may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createProperty($uri = null)
- {
- $resProperty = new ResProperty($uri);
- $resProperty->setAssociatedModel($this);
-
- return $resProperty;
- }
-
- /**
- * Create an untyped literal from a String value with a specified language.
- *
- * If you want to type this literal, you have to set a datatype before
- * adding it to the model.
- *
- *
- * @param string $label
- * @param string $languageTag
- * @return object ResLiteral
- * @access public
- */
- function createLiteral($label,$languageTag = null)
- {
- $resLiteral = new ResLiteral($label,$languageTag);
- $resLiteral->setAssociatedModel($this);
-
- return $resLiteral;
- }
-
- /**
- * General method to search for triples.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->find( NULL, NULL, $node );
- * Finds all Statements with $node as object.
- * Returns an array of statements with ResResources.
- *
- * @param object ResResource $subject
- * @param object ResResource $predicate
- * @param object ResResource $object
- * @return array
- * @access public
- * @throws PhpError
- */
- function find($subject,$predicate, $object)
- {
- $result=array();
- //convert ResResources to Resources and Blanknodes
- $resmodel=$this->model->find( $this->_resNode2Node($subject),
- $this->_resNode2Node($predicate),
- $this->_resNode2Node($object)
- );
- //convert Resources, Blanknodes to ResResources
- foreach ($resmodel->triples as $statement)
- {
- $result[]=new Statement($this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
- };
- return $result;
-
- }
-
- /**
- * Searches for triples and returns the first matching statement.
- * NULL input for any parameter will match anything.
- * Example: $result = $m->findFirstMatchingStatement( NULL, NULL, $node );
- * Returns the first statement with ResResources of the Model where the object equals $node.
- * Returns an NULL if nothing is found.
- * You can define an offset to search.
- *
- * @param object Node $subject
- * @param object Node $predicate
- * @param object Node $object
- * @param integer $offset
- * @return object Statement
- * @access public
- */
- function findFirstMatchingStatement($subject,$predicate,$object,$offset = 0)
- {
-
- $statement = $this->model->findFirstMatchingStatement( $this->_resNode2Node($subject),
- $this->_resNode2Node($predicate),
- $this->_resNode2Node($object),
- $offset
- );
- if ($statement!==null)
- {
- return new Statement( $this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
- } else
- {
- return null;
- }
- }
-
- /**
- * Adds a new triple to the Model without checking if the statement is already in the Model.
- * So if you want a duplicate free Model use the addWithoutDuplicates() function (which is slower then add())
- * Expects a statements with ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @access public
- * @throws PhpError
- */
- function add($statement)
- {
- return $this->model->add(new Statement( $this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
- /**
- * Checks if a new statement is already in the Model and adds the statement, if it is not in the Model.
- * addWithoutDuplicates() is significantly slower then add().
- * Retruns TRUE if the statement is added.
- * FALSE otherwise.
- * Expects a statements with ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function addWithoutDuplicates($statement)
- {
- return $this->model->addWithoutDuplicates(new Statement($this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
-
- /**
- * Tests if the Model contains the given statement.
- * TRUE if the statement belongs to the model;
- * FALSE otherwise.
- * Expects a statement of ResResources(ResLiterals)
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- */
- function contains(& $statement)
- {
-
- return $this->model->contains(new Statement($this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject()))
- );
- }
-
- /**
- * Determine if all of the statements in a model are also contained in this model.
- * True if all of the statements in $model are also contained in this model and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAll(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->containsAll($model->getModel());
-
- return $this->model->containsAll($model);
- }
-
- /**
- * Determine if any of the statements in a model are also contained in this model.
- * True if any of the statements in $model are also contained in this model and false otherwise.
- *
- * @param object Model &$model
- * @return boolean
- * @access public
- */
- function containsAny(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->containsAny($model->getModel());
- return $this->model->containsAny($model);
- }
-
- /**
- * Determine if the node (ResResource / ResLiteral) $node appears in any statement of this model.
- *
- * @param object Node &$node
- * @return boolean
- * @access public
- */
- function containsResource(& $node)
- {
- if ($this->findFirstMatchingStatement($node,null,null) === null)
- if ($this->findFirstMatchingStatement(null,$node,null) === null)
- if ($this->findFirstMatchingStatement(null,null,$node) === null)
- return false;
-
- return true;
- }
-
- /**
- * Create a literal from a String value with the $dtype Datatype
- * An existing literal of the right value may be returned, or a fresh one created.
- *
- * @param string $value
- * @param string $dtype
- * @return object ResLiteral
- * @access public
- */
- function createTypedLiteral($value,$dtype)
- {
- $resLiteral = new ResLiteral($value);
- $resLiteral->setDatatype($dtype);
- $resLiteral->setAssociatedModel($this);
-
- return $resLiteral;
- }
-
- /**
- * Checks if two models are equal.
- * Two models are equal if and only if the two RDF graphs they represent are isomorphic.
- *
- * Warning: This method doesn't work correct with models where the same blank node has different
- * identifiers in the two models. We will correct this in a future version.
- *
- * @access public
- * @param object model &$that
- * @throws phpErrpr
- * @return boolean
- */
- function equals(& $that)
- {
- if (is_a($that,'ResModel'))
- return $this->model->equals($that->getModel());
- return $this->model->equals($that);
- }
-
- /**
- * Returns a new model that is the subtraction of another model from this model.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function subtract($model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->subtract($model->getModel());
- return $this->model->subtract($model);
- }
-
- /**
- * Answer a statement find(s, p, null) with ResResources(ResLiterals) from this model.
- * If none exist, return null; if several exist, pick one arbitrarily.
- *
- * @param object ResResource $subject
- * @param object ResResource $property
- * @return object Statement
- * @access public
- * @throws phpErrpr
- */
- function getProperty($subject,$property)
- {
-
- $statement= $this->model->findFirstMatchingStatement( $this->_resNode2Node($subject),
- $this->_resNode2Node($property),
- null
- );
- if ($statement === null)
- return null;
-
- return new Statement($this->_node2ResNode($statement->getSubject()),
- $this->_node2ResNode($statement->getPredicate(),true),
- $this->_node2ResNode($statement->getObject())
- );
-
- }
-
- /**
- * Checks if MemModel is empty
- *
- * @return boolean
- * @access public
- */
- function isEmpty()
- {
- return $this->model->isEmpty();
- }
-
- /**
- * Returns a ResIterator with all objects in a model.
- *
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listObjects()
- {
- return $this->listObjectsOfProperty(null);
- }
-
- /**
- * Returns a ResIterator with all objects with a given property and property value.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return object ResIterator
- * @access public
- */
- function listObjectsOfProperty($property, $value = null)
- {
- return new ResIterator(null,$property,$value,'o',$this);
- }
-
-
- /**
- * Returns a ResIterator with all subjects in a model.
- *
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listSubjects()
- {
- return $this->listSubjectsWithProperty(null);
- }
-
- /**
- * Returns a ResIterator with all subjects with a given property and property value.
- *
- * @param object ResResource $property
- * @param object ResResource $value
- * @return object ResIterator
- * @access public
- * @throws phpErrpr
- */
- function listSubjectsWithProperty($property,$value = null)
- {
- return new ResIterator(null,$property,$value,'s',$this);
- }
-
- /**
- * Removes the statement of ResResources(ResTriples) from the MemModel.
- * TRUE if the statement is removed.
- * FALSE otherwise.
- *
- * @param object Statement $statement
- * @return boolean
- * @access public
- * @throws PhpError
- */
- function remove($statement)
- {
- return $this->model->remove(new Statement( $this->_resNode2Node($statement->getSubject()),
- $this->_resNode2Node($statement->getPredicate()),
- $this->_resNode2Node($statement->getObject())
- ));
- }
-
- /**
- * Number of statements in the MemModel
- *
- * @return integer
- * @access public
- */
- function size()
- {
- return $this->model->size();
- }
-
- /**
- * Returns a new Model that is the set-union of the model with another model.
- * Duplicate statements are removed. If you want to allow duplicates, use addModel() which is much faster.
- *
- * The result of taking the set-union of two or more RDF graphs (i.e. sets of triples)
- * is another graph, which we will call the merge of the graphs.
- * Each of the original graphs is a subgraph of the merged graph. Notice that when forming
- * a merged graph, two occurrences of a given uriref or literal as nodes in two different
- * graphs become a single node in the union graph (since by definition they are the same
- * uriref or literal) but blank nodes are not 'merged' in this way; and arcs are of course
- * never merged. In particular, this means that every blank node in a merged graph can be
- * identified as coming from one particular graph in the original set of graphs.
- *
- * Notice that one does not, in general, obtain the merge of a set of graphs by concatenating
- * their corresponding N-triples documents and constructing the graph described by the merged
- * document, since if some of the documents use the same node identifiers, the merged document
- * will describe a graph in which some of the blank nodes have been 'accidentally' merged.
- * To merge Ntriples documents it is necessary to check if the same nodeID is used in two or
- * more documents, and to replace it with a distinct nodeID in each of them, before merging the
- * documents. (Not implemented yet !!!!!!!!!!!)
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- *
- */
- function & unite(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->unite($model->getModel());
- return $this->model->unite($model);
- }
-
- /**
- * Adds another model to this MemModel.
- * Duplicate statements are not removed.
- * If you don't want duplicates, use unite().
- * If any statement of the model to be added to this model contains a blankNode
- * with an identifier already existing in this model, a new blankNode is generated.
- *
- * @param object Model $model
- * @access public
- * @throws phpErrpr
- *
- */
- function addModel(&$model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->addModel($model->getModel());
- return $this->model->addModel($model);
- }
-
- /**
- * Create a new RDF Container from type rdf:Alt
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createAlt($uri = null)
- {
- $resAlt = new ResAlt($uri);
- $resAlt->setAssociatedModel($this);
-
- return $resAlt;
- }
-
- /**
- * Create a new RDF Container from type rdf:Bag
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createBag($uri = null)
- {
- $resBag = new ResBag($uri);
- $resBag->setAssociatedModel($this);
-
- return $resBag;
- }
-
- /**
- * Create a new RDF Container from type rdf:Seq
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createSeq($uri = null)
- {
- $resSeq = new ResSeq($uri);
- $resSeq->setAssociatedModel($this);
-
- return $resSeq;
- }
-
- /**
- * Create a new RDF Collection from type rdf:List
- * This method may return an existing container with the correct URI and model,
- * or it may construct a fresh one, as it sees fit.
- *
- * Subsequent operations on the returned Container may modify this model.
- *
- *
- * @param string $uri
- * @return object ResProperty
- * @access public
- */
- function createList($uri = null)
- {
- $resList = new ResList($uri);
- $resList->setAssociatedModel($this);
-
- return $resList;
- }
-
- /**
- * Returns a reference to the underlying model (Mem/DB/InfModel) that contains the statements
- *
- *
- * @return object Model
- * @access public
- */
- function & getModel()
- {
- return $this->model;
- }
-
-
- /**
- * Internal method, that returns a resource URI that is unique for the Model.
- * URIs are generated using the base_uri of the Model, the prefix and a unique number.
- * If no prefix is defined, the bNode prefix, defined in constants.php, is used.
- *
- * @param string $prefix
- * @return string
- * @access private
- */
- function getUniqueResourceURI($bnodePrefix)
- {
- return $this->model->getUniqueResourceURI($bnodePrefix);
- }
-
- /**
- * Load a model from a file containing RDF, N3 or N-Triples.
- * This function recognizes the suffix of the filename (.n3 or .rdf) and
- * calls a suitable parser, if no $type is given as string ("rdf" "n3" "nt");
- * If the model is not empty, the contents of the file is added to this DbModel.
- *
- * @param string $filename
- * @param string $type
- * @param boolean $stream
- * @access public
- */
- function load($filename, $type = NULL, $stream=false)
- {
- $this->model->load($filename, $type, $stream);
- }
-
- /**
- * Return current baseURI.
- *
- * @return string
- * @access public
- */
- function getBaseURI()
- {
- return $this->model->getBaseURI();
- }
-
- /**
- * Saves the RDF,N3 or N-Triple serialization of the MemModel to a file.
- * You can decide to which format the model should be serialized by using a
- * corresponding suffix-string as $type parameter. If no $type parameter
- * is placed this method will serialize the model to XML/RDF format.
- * Returns FALSE if the MemModel couldn't be saved to the file.
- *
- * @access public
- * @param string $filename
- * @param string $type
- * @throws PhpError
- * @return boolean
- */
- function saveAs($filename, $type ='rdf')
- {
- return $this->model->saveAs($filename, $type ='rdf');
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- */
- function writeAsHTMLTable()
- {
- $this->model->writeAsHtmlTable();
- }
-
- /**
- * Returns a new model containing all the statements which are in both this model and another.
- *
- * @param object Model $model
- * @return object MemModel
- * @access public
- * @throws phpErrpr
- */
- function & intersect(& $model)
- {
- if (is_a($model,'ResModel'))
- return $this->model->intersect($model->getModel());
- return $this->model->intersect($model);
- }
-
- /**
- * converts a Resource,Blanknode,Literal into a ResResource, ResProperty, or ResLiteral
- *
- * @param object Node $node
- * @param boolean $isProperty
- * @return object ResResource / ResProperty / ResLiteral
- * @access private
- * @throws phpErrpr
- */
- function _node2ResNode($node, $isProperty = false)
- {
- if (is_a($node,'Literal'))
- {
- $return= new ResLiteral($node->getLabel(),$node->getLanguage());
- $return->setDatatype($node->getDatatype());
- $return->setAssociatedModel($this);
-
- return $return;
- }
- if (is_a($node,'Resource'))
- {
- if ($isProperty)
- {
- $res= new ResProperty($node->getLabel());
- } else
- {
- $res= new ResResource($node->getLabel());
- }
- $res->setAssociatedModel($this);
- if (is_a($node,'Blanknode'))
- $res->setIsAnon(true);
-
- return $res;
- }
- }
-
- /**
- * converts a ResResource, ResProperty, or ResLiteral into a Resource, Blanknode, or Literal
- *
- * @param object ResNode $resNode
- * @return object Node
- * @access private
- * @throws phpErrpr
- */
- function _resNode2Node($resNode)
- {
- if (is_a($resNode,'ResResource'))
- {
- if ($resNode->getIsAnon())
- {
- $return=new BlankNode($resNode->getURI());
- } else
- {
- $return=new Resource($resNode->getURI());
- }
- return $return;
- }
-
- if (is_a($resNode,'ResLiteral'))
- {
- $literal=new Literal($resNode->getLabel(),$resNode->getLanguage());
- if ($resNode->getDatatype() != null)
- $literal->setDatatype($resNode->getDatatype());
- return $literal;
- }
- }
-
- /**
- * Set a base URI for the MemModel.
- * Affects creating of new resources and serialization syntax.
- * If the URI doesn't end with # : or /, then a # is added to the URI.
- * @param string $uri
- * @access public
- */
- function setBaseURI($uri)
- {
- $this->model->setBaseURI($uri);
- }
-
- /**
- * Writes the RDF serialization of the MemModel as HTML table.
- *
- * @access public
- * @return string
- */
- function writeRdfToString()
- {
- return $this->model->writeRdfToString();
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an associative array of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return array [][?VARNAME] = object Node (if $returnNodes = TRUE)
- * OR array [][?VARNAME] = string
- *
- */
- function & rdqlQuery($queryString, $returnNodes = TRUE)
- {
- $ret = $this->model->rdqlQuery($queryString, $returnNodes);
- return $ret;
- }
-
- /**
- * Perform an RDQL query on this MemModel.
- * This method returns an RdqlResultIterator of variable bindings.
- * The values of the query variables can either be RAP's objects (instances of Node)
- * if $returnNodes set to TRUE, or their string serialization.
- *
- * @access public
- * @param string $queryString
- * @param boolean $returnNodes
- * @return object RdqlResultIterator = with values as object Node (if $returnNodes = TRUE)
- * OR object RdqlResultIterator = with values as strings if (if $returnNodes = FALSE)
- *
- */
- function rdqlQueryAsIterator($queryString, $returnNodes = TRUE)
- {
- return $this->model->rdqlQueryAsIterator($queryString, $returnNodes);
- }
-
-
- /**
- * Returns the models namespaces.
- *
- * @author Tobias Gau
- * @access public
- * @return Array
- */
- function getParsedNamespaces(){
- return $this->model->getParsedNamespaces();
- }
-
-
-
- /**
- * Adds the namespaces to the model. This method is called by
- * the parser. !!!! addParsedNamespaces() not overwrites manual
- * added namespaces in the model !!!!
- *
- * @author Tobias Gau
- * @access public
- * @param Array $newNs
- */
- function addParsedNamespaces($newNs){
- $this->model->addParsedNamespaces($newNs);
- }
-
-
- /**
- * Adds a namespace and prefix to the model.
- *
- * @author Tobias Gau
- * @access public
- * @param String $prefix, String $nmsp
- */
- function addNamespace($prefix, $namespace){
- $this->model->addNamespace($prefix, $namespace);
- }
-
- /**
- * removes a single namespace from the model
- *
- * @author Tobias Gau
- * @access public
- * @param String $nmsp
- */
- function removeNamespace($nmsp){
- return $this->model->removeNamespace($nmsp);
- }
-
-
-
-
-
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModelP.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModelP.php
deleted file mode 100755
index 276ded65..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResModelP.php
+++ /dev/null
@@ -1,24 +0,0 @@
-
-//
-// ----------------------------------------------------------------------------------
-
-// Include ResModel classes
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResModel.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResResource.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResContainer.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResAlt.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResBag.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResLiteral.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResProperty.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResSeq.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResIterator.php');
-require_once( RDFAPI_INCLUDE_DIR . 'resModel/ResList.php');
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResProperty.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResProperty.php
deleted file mode 100755
index 812b8f49..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResProperty.php
+++ /dev/null
@@ -1,32 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-class ResProperty extends ResResource
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResProperty($uri)
- {
- parent::ResResource($uri);
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResResource.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResResource.php
deleted file mode 100755
index e23ec1d6..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResResource.php
+++ /dev/null
@@ -1,212 +0,0 @@
-
-*
-*
-* @package resModel
-* @access public
-**/
-class ResResource extends Resource
-{
- /**
- * Holds a reference to the associated model
- * @var ResModel
- * @access private
- */
- var $model;
-
- /**
- * Is true, if this resource is an anonymous node.
- * @var boolean
- * @access private
- */
- var $isAnon;
-
-
- /**
- * Constructor
- * You can supply a uri
- *
- * @param string $uri
- * @access public
- */
- function ResResource($uri)
- {
- parent::Resource($uri);
- $this->isAnon = ($uri === null);
- }
-
- /**
- * Sets the reference to the assocoated model.
- *
- * @param object Model $model
- * @access public
- */
- function setAssociatedModel(& $model)
- {
- $this->model=& $model;
- if ($this->isAnon)
- $this->uri=$this->model->getUniqueResourceURI(BNODE_PREFIX);
- }
-
- /**
- * Get the reference to the assocoated model.
- *
- * @return object Model $model
- * @access public
- */
- function getAssociatedModel()
- {
- return $this->model;
- }
-
- /**
- * Sets the URI of this resource
- *
- * @param string $uri
- * @access public
- */
- function setURI($uri)
- {
- $this->uri = $uri;
- }
-
- /**
- * Add a property to this resource.
- * A statement with this resource as the subject, p as the predicate and o
- * as the object is added to the model associated with this resource.
- *
- * @param ResResource $property
- * @param ResResource/ResLiteral $object
- * @return object ResResource
- * @access public
- */
- function addProperty($property,$object)
- {
- $this->model->add(new Statement($this,$property,$object));
-
- return $this;
- }
-
- /**
- * List all the values with the property p as statements in an array.
- *
- * @param ResResource $property
- * @return ResIterator
- * @access public
- */
- function listProperties($property = null)
- {
- return $this->model->find($this,$property,null);
- }
-
- /**
- * Answer some statement (this, p, O) in the associated model.
- * If there are several such statements, any one of them may be returned.
- * If no such statements exist, null is returned.
- *
- * @param ResResource $property
- * @return object ResResource
- * @access public
- */
- function getProperty($property)
- {
- return $this->model->getProperty($this,$property);
- }
-
- /**
- * Determine whether this resource has any values for a given property.
- *
- * @param ResResource $property
- * @param ResResource $value
- * @return object ResResource
- * @access public
- */
- function hasProperty($property, $value = null)
- {
- $ret= $this->model->findFirstMatchingStatement($this,$property,$value);
-
- return ($ret!==null);
- }
-
- /**
- * Determine whether this resource is an anonymous resource
- *
- * @return boolean
- * @access public
- */
- function getIsAnon()
- {
- return $this->isAnon;
- }
-
- /**
- * Set whether this resource is an anonymous resource
- *
- * @param boolean
- * @access public
- */
- function setIsAnon($isAnon)
- {
- $this->isAnon=$isAnon;
- }
-
- /**
- * Checks if the resource equals another resource.
- * Two resources are equal, if they have the same URI
- *
- * @access public
- * @param object resource $that
- * @return boolean
- */
- function equals ($that)
- {
- if (is_a($that,'ResLiteral'))
- return $that->equals($this);
-
- return ($that!==null && ($this->getURI() == $that->getURI()));
- }
-
- /**
- * Delete all the statements with predicate p for this resource from
- * its associated model.
- *
- * @access public
- * @param object resource $property
- * @return object ResResource
- */
- function removeAll($property = null)
- {
- foreach ($this->model->find($this,$property,null) as $statement)
- {
- $this->model->remove($statement);
- }
- return $this;
- }
-
- /**
- * Delete all the properties for this resource from the associated model.
- *
- * @access public
- * @return object ResResource
- */
- function removeProperties()
- {
- $this->removeAll();
- return $this;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResSeq.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResSeq.php
deleted file mode 100755
index 7623a68a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/resModel/ResSeq.php
+++ /dev/null
@@ -1,153 +0,0 @@
-
-*
-* @package resModel
-* @access public
-**/
-class ResSeq extends ResContainer
-{
-
- /**
- * Constructor
- * You can supply a URI
- *
- * @param string $uri
- * @access public
- */
- function ResSeq($uri = null)
- {
- parent::ResContainer($uri);
- $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_SEQ);
- }
-
- /**
- * Insert a new member into the sequence at the specified position.
- * The existing member at that position, and all others with higher indexes,
- * have their index increased by one.
- *
- * @param integer $index
- * @param object ResResource/ResLiteral $resResource
- * @return boolean
- * @access public
- */
- function addAtIndex($index, $object)
- {
- //get a members index
- $memberIndex= $this->getMembers();
-
- //type this container, if it isn't already typed
- if(!$this->hasProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE)))
- $this->addProperty(new ResResource(RDF_NAMESPACE_URI.RDF_TYPE),$this->containerType);
-
- //renumber all higher members
- for ($i = count($memberIndex);$i >= $index ; $i--)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i+1),$memberIndex[$i]);
- }
- //remove the old value at this position
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
- //add the new value
- $this->addProperty($this->_getMembershipPropertyWithIndex($index),$object);
-
- return $this;
- }
-
- /**
- * Get the member at a given index
- *
- * @param integer $index
- * @return object ResResource/ResLiteral
- * @access public
- */
- function getMember($index)
- {
- $result=$this->listProperties($this->_getMembershipPropertyWithIndex($index));
- if (isset($result[0]))
- {
- return $result[0];
- }
- else
- {
- return null;
- }
- }
-
- /**
- * Return the index of a given member of the sequence.
- * If the same value appears more than once in the sequence, it is undefined
- * which of the indexes will be returned.
- * If the member is not found in this sequence, a value of 0 is returned.
- *
- * @param object ResResource/ResLiteral $object
- * @return integer
- * @access public
- */
- function indexOf($object)
- {
- //check all members, until $object is found
- foreach ($this->listProperties() as $statement)
- {
- $predicateLabel=$statement->getLabelPredicate();
- if ($this->_predicateLabelMatchesMembershipProperty($predicateLabel))
- {
- if($object->equals($statement->getObject()))
- //analyze the container membership property and return the index
- return $this->_getMemberIndexNrFromMembershipPropertyLabel($predicateLabel);
- }
- }
- //return 0 if $object wasn't found
- return 0;
- }
-
- /**
- * Remove the member at the specified index.
- * All other members with a higher index will have their index reduced by one.
- *
- * @param integer $index
- * @access public
- */
- function removeAtIndex($index)
- {
- $memberIndex= $this->getMembers();
-
-
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
-
- for ($i = $index;$i < count($memberIndex); $i++)
- {
- $this->removeAll($this->_getMembershipPropertyWithIndex($i+1));
- $this->addProperty($this->_getMembershipPropertyWithIndex($i),$memberIndex[$i+1]);
- }
- return $this;
- }
-
- /**
- * Set the value at a given index in the sequence.
- *
- * If the index is not in the range of the sequence, false is returned
- *
- * @param integer $index
- * @return boolean
- * @access public
- */
- function set($index, $object)
- {
- if (!$this->hasProperty($this->_getMembershipPropertyWithIndex($index)))
- return false;
-
- $this->removeAll($this->_getMembershipPropertyWithIndex($index));
- $this->addProperty($this->_getMembershipPropertyWithIndex($index),$object);
- return true;
- }
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/all-wcprops
deleted file mode 100755
index c66fd803..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/all-wcprops
+++ /dev/null
@@ -1,83 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 60
-/svnroot/rdfapi-php/!svn/ver/554/trunk/rdfapi-php/api/sparql
-END
-FilterFunctions.php
-K 25
-svn:wc:ra_dav:version-url
-V 80
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/FilterFunctions.php
-END
-SparqlEngineDb.php
-K 25
-svn:wc:ra_dav:version-url
-V 79
-/svnroot/rdfapi-php/!svn/ver/537/trunk/rdfapi-php/api/sparql/SparqlEngineDb.php
-END
-SparqlParserException.php
-K 25
-svn:wc:ra_dav:version-url
-V 86
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlParserException.php
-END
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-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/GraphPattern.php
-END
-SparqlParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/538/trunk/rdfapi-php/api/sparql/SparqlParser.php
-END
-SparqlClient.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlClient.php
-END
-SPARQL.php
-K 25
-svn:wc:ra_dav:version-url
-V 71
-/svnroot/rdfapi-php/!svn/ver/425/trunk/rdfapi-php/api/sparql/SPARQL.php
-END
-ClientQuery.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/ClientQuery.php
-END
-Constraint.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/Constraint.php
-END
-Query.php
-K 25
-svn:wc:ra_dav:version-url
-V 70
-/svnroot/rdfapi-php/!svn/ver/548/trunk/rdfapi-php/api/sparql/Query.php
-END
-QueryTriple.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/QueryTriple.php
-END
-SparqlEngine.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/466/trunk/rdfapi-php/api/sparql/SparqlEngine.php
-END
-SparqlVariable.php
-K 25
-svn:wc:ra_dav:version-url
-V 79
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlVariable.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/entries
deleted file mode 100755
index 1931791f..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/entries
+++ /dev/null
@@ -1,202 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/sparql
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-12-05T08:18:50.037887Z
-554
-fusel2k
-
-
-svn:special svn:externals svn:needs-lock
-
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-2008-02-29T14:57:47.256327Z
-52fce867873fe06a401a23ebeeb2891d
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-GraphPattern.php
-file
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-2008-02-29T14:57:47.256327Z
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-SparqlClient.php
-file
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-SPARQL.php
-file
-
-
-
-
-2008-02-29T14:57:47.287568Z
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-SparqlEngine
-dir
-
-ClientQuery.php
-file
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-2008-02-29T14:57:47.303189Z
-396c7fc3c8c8adec28fbd14fc1fee33a
-2007-11-15T10:20:18.957776Z
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-fusel2k
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-
-SparqlVariable.php
-file
-
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-2008-02-29T14:57:47.334430Z
-5f6220f5b0ed69ebb33741ac05a0787f
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-dir
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-FilterFunctions.php
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-efddc5b74fa8beebf3213903c2ed30d6
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diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/ClientQuery.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/ClientQuery.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/ClientQuery.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Constraint.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Constraint.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Constraint.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/FilterFunctions.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/FilterFunctions.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/FilterFunctions.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/GraphPattern.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/GraphPattern.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/GraphPattern.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Query.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Query.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/Query.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/QueryTriple.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/QueryTriple.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/QueryTriple.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SPARQL.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SPARQL.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SPARQL.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlClient.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlClient.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlClient.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngine.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngine.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngineDb.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngineDb.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlEngineDb.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParser.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParser.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParserException.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParserException.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/prop-base/SparqlParserException.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/ClientQuery.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/ClientQuery.php.svn-base
deleted file mode 100755
index a3fb5322..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/ClientQuery.php.svn-base
+++ /dev/null
@@ -1,56 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class ClientQuery extends Object {
-
- var $default = array();
- var $named = array();
- var $prefixes = array();
- var $query;
-
- /**
- * Adds a default graph to the query object.
- *
- * @param String $default default graph name
- */
- function addDefaultGraph($default){
- if(!in_array($this->named,$this->default))
- $this->default[] = $default;
- }
- /**
- * Adds a named graph to the query object.
- *
- * @param String $default named graph name
- */
- function addNamedGraph($named){
- if(!in_array($named,$this->named))
- $this->named[] = $named;
- }
- /**
- * Adds the SPARQL query string to the query object.
- *
- * @param String $query the query string
- */
- function query($query){
- $this->query = $query;
- }
-
-}
-
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Constraint.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Constraint.php.svn-base
deleted file mode 100755
index 3d17430b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Constraint.php.svn-base
+++ /dev/null
@@ -1,95 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-Class Constraint extends Object{
-
- /**
- * The expression string.
- * @var string
- */
- protected $expression;
-
- /**
- * True if it is an outer filter, false if not.
- * @var boolean
- */
- protected $outer;
-
- /**
- * The expression tree
- * @var array
- */
- protected $tree = null;
-
- /**
- * Adds an expression string.
- *
- * @param String $exp the expression String
- * @return void
- */
- public function addExpression($exp)
- {
- $this->expression = $exp;
- }
-
- /**
- * Returns the expression string.
- *
- * @return String the expression String
- */
- public function getExpression()
- {
- return $this->expression;
- }
-
-
- /**
- * Sets the filter type to outer or inner filter.
- * True for outer false for inner.
- *
- * @param boolean $boolean
- * @return void
- */
- public function setOuterFilter($boolean)
- {
- $this->outer = $boolean;
- }
-
- /**
- * Returns true if this constraint is an outer filter- false if not.
- *
- * @return boolean
- */
- public function isOuterFilter()
- {
- return $this->outer;
- }
-
-
- public function getTree()
- {
- return $this->tree;
- }//public function getTree()
-
- public function setTree($tree)
- {
- $this->tree = $tree;
- }//public function setTree($tree)
-
-}
-// end class: Constraint.php
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/FilterFunctions.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/FilterFunctions.php.svn-base
deleted file mode 100755
index ccd2c6ac..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/FilterFunctions.php.svn-base
+++ /dev/null
@@ -1,137 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-*/
-
-
-
-
-/**
-* Evaluates the regex() function. Returns true if the regex is matched false if not.
-*
-* @param String $string the string which has to be evaluated
-* @param String $pattern the regex pattern
-* @param String $flags additional flags like "i"
-* @return boolean
-*/
-function regex($string,$pattern,$flags = ''){
- $string = trim($string);
- $pattern = trim($pattern);
- if(strpos($string,"str_")===0){
- $string = substr($string,4);
- $pattern = substr($pattern,4);
- $flags = substr($flags,4);
- }else{
- return false;
- }
- if(preg_match('/'.$pattern.'/'.$flags,$string))
- return true;
- else
- return false;
-}
-
-/**
-* Evaluates the dateTime() function.Tries to convert a date string into
-* a unix timestamp.
-*
-* @param String $string the date string
-* @return integer the corresponding unix timestamp
-*/
-function dateTime($string){
- $string = trim($string);
- if(strpos($string,"str_")===0)
- $string = substr($string,4);
-
- $time = strtotime($string);
- if($time == -1)
- return $string;
- else
- return $time;
-}
-
-
-/**
-* Evaluates the langMatches() function. Return true if the lang tag matches false if not.
-*
-* @param String $lang_range the string.
-* @param String $lang_tag the regex pattern
-* @return boolean
-*/
-function langMatches($lang_range,$lang_tag){
-
- if($lang_range == null)
- return false;
-
- if(strpos($lang_range,"str_")===0)
- $lang_range = substr($lang_range,4);
- if(strpos($lang_tag,"str_")===0)
- $lang_tag = substr($lang_tag,4);
-
- if(strtolower($lang_range) == strtolower($lang_tag))
- return true;
- $tags = preg_match_all("/[^\-\s].[^\-\s]*/",$lang_range,$hits);
- if($tags){
- if($lang_tag == '*')
- return true;
- foreach($hits[0] as $tag){
- if(strtolower($tag) == strtolower($lang_tag))
- return true;
- }
- return false;
- }else{
- return false;
- }
-}
-
-/**
-* Evaluates the str() function. Returns the string representation of a
-* variable or RDF term.
-*
-* @param String $string the string
-* @return boolean
-*/
-function str($string){
- $str = preg_match("/\".[^\"]*\"|\'.[^\']*\'/",$string,$hits);
- if($str != 0){
- return "str_".$hits[0];
- }else{
- if(strpos($string,"str_")===0){
- return $string;
- }else{
- if(strpos($string,"uri_")===0)
- return "str_".substr($string,4);
- if(strpos($string,'<')==0)
- return "str_".substr($string,1,-1);
- }
- }
- return false;
-}
-
-/**
-* Evaluates the lang() function. Returns lang tag of a Literal.
-*
-* @param String $string the string.
-* @return String the lang tag or false if there is no language tag.
-*/
-function lang($string){
- $str = preg_match("/\".[^\"]*\"@(.[^\s]*)|\'.[^\']*\'@(.[^\s]*)/",$string,$hits);
- if($str){
- if($hits[1] != null)
- return $hits[1];
- else
- return $hits[2];
- }else{
- return false;
- }
-}
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/GraphPattern.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/GraphPattern.php.svn-base
deleted file mode 100755
index bdddf39e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/GraphPattern.php.svn-base
+++ /dev/null
@@ -1,295 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class GraphPattern extends Object{
-
- /**
- * Graphname. 0 if its in the default graph.
- */
- protected $graphname = null;
-
- /**
- * Array of QueryTriple objects
- * @var array
- */
- protected $triplePatterns = array();
-
- /**
- * A List of Constraint objects
- * @var array
- */
- protected $constraints = array();
-
- /**
- * @var int Pointer to optional pattern.
- */
- protected $optional = null;
-
- /**
- * @var int Pointer to union pattern.
- */
- protected $union = null;
-
- /**
- * ID of the pattern in the pattern list that
- * this pattern is subpattern of.
- * @var int
- */
- protected $subpatternOf = null;
-
- /**
- * @var boolean TRUE if the pattern is open- FALSE if closed.
- */
- public $open = false;
-
- /**
- * @var boolean TRUE if the GraphPattern is a construct pattern.
- */
- public $isConstructPattern = false;
-
-
- /**
- * @var int The GraphPatterns id.
- */
- public $patternId = null;
-
-
- /**
- * Constructor
- */
- public function GraphPattern() {
- $this->open = true;
- $this->isConstructPattern = false;
- $this->constraints = array();
- $this->triplePatterns = array();
- }
-
- /**
- * Returns the graphname.
- *
- * @return String
- */
- public function getGraphname(){
- return $this->graphname;
- }
-
- /**
- * Returns the triple pattern of the graph pattern.
- *
- * @return Array
- */
- public function getTriplePatterns(){
- return $this->triplePatterns;
- }
-
- /**
- * Returns a constraint if there is one false if not.
- *
- * @return Constraint
- */
- public function getConstraints() {
- return $this->constraints;
- }
-
- /**
- * Returns a pointer to an optional graph pattern.
- *
- * @return integer
- */
- public function getOptional() {
- return $this->optional;
- }
-
- /**
- * Returns a pointer to the parent pattern this pattern
- * is subpattern of.
- *
- * @return integer
- */
- public function getSubpatternOf() {
- return $this->subpatternOf;
- }
-
- /**
- * Returns a pointer to a union graph pattern.
- *
- * @return integer
- */
- public function getUnion() {
- return $this->union;
- }
-
- /**
- * Sets the graphname.
- *
- * @param String $name
- * @return void
- */
- public function setGraphname($name) {
- $this->graphname = $name;
- }
-
- /**
- * Adds List of QueryTriples to the GraphPattern.
- *
- * @param array $trpP
- * @return void
- */
- public function addTriplePatterns($trpP) {
- $this->triplePatterns = array_merge($this->triplePatterns, $trpP);
- }
-
- /**
- * Sets the List of QueryTriples to the GraphPattern.
- *
- * @param array $trpP
- * @return void
- */
- public function setTriplePatterns($trpP) {
- $this->triplePatterns = $trpP;
- }
-
- /**
- * Adds a single Constraint to the GraphPattern.
- *
- * @param Constraint $cons
- */
- public function addConstraint(&$cons) {
- $this->constraints[] = $cons;
- }
-
- /**
- * Adds an array of Constraint objects to the GraphPattern.
- *
- * @param array $cons
- */
- public function addConstraints(&$cons) {
- $this->constraints = array_merge($this->constraints, $cons);
- }
-
- /**
- * Adds a pointer to an optional graphPattern.
- *
- * @param integer $patternId
- * @return void
- */
- public function setOptional($patternId) {
- $this->optional = &$patternId;
- }
-
- /**
- * Adds a pointer to a union graphPattern.
- *
- * @param integer $patternId
- * @return void
- */
- public function setUnion($patternId) {
- $this->union = &$patternId;
- }
-
- /**
- * Adds a pointer to a pattern that
- * this one is subpattern of
- *
- * @param integer $patternId
- */
- public function setSubpatternOf($patternId) {
- $this->subpatternOf = $patternId;
- }
-
-
- /**
- * Sets the GraphPatterns Id.
- *
- * @param integer $id
- * @return void
- */
- public function setId($id){
- $this->patternId = $id;
- }
-
- /**
- * Returns the GraphPatterns id.
- *
- * @return integer
- */
- public function getId(){
- return $this->patternId;
- }
-
-
-
- /**
- * Returns an array of all variables used in this
- * graph pattern.
- * All variables are listed only once (unique).
- *
- * @return array Array of variable names
- */
- public function getVariables()
- {
- $arVars = array();
-
- foreach ($this->triplePatterns as $pattern) {
- $arVars = array_merge($arVars, $pattern->getVariables());
- }
-
- return array_unique($arVars);
- }//public function getVariables()
-
-
-
- /**
- * Checks if the graph pattern is empty (contains no
- * usable data).
- * Occurs when using "{}" without pre- or suffixes
- * WHERE
- * {
- * { ?person rdf:type foaf:Person } .
- * }
- *
- * @return boolean True if the pattern is empty.
- */
- public function isEmpty()
- {
- return
- count($this->triplePatterns) == 0
- && count($this->constraints) == 0
- && $this->getGraphname() === null
- ;
- }//public function isEmpty()
-
-
-
- /**
- * When cloning, we need to clone some subobjects, too
- */
- public function __clone()
- {
- if (count($this->triplePatterns) > 0) {
- foreach ($this->triplePatterns as $nId => $pattern) {
- $this->triplePatterns[$nId] = clone $this->triplePatterns[$nId];
- }
- }
- if (count($this->constraints) > 0) {
- foreach ($this->constraints as $nId => $constraint) {
- $this->constraints[$nId] = clone $this->constraints[$nId];
- }
- }
- }
-
-}// end class: GraphPattern.php
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Query.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Query.php.svn-base
deleted file mode 100755
index 2240a2f9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/Query.php.svn-base
+++ /dev/null
@@ -1,685 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class Query extends Object
-{
- /**
- * The BASE part of the SPARQL query.
- * @var string
- */
- protected $base;
-
- /**
- * Original SPARQL query string
- * @var string
- */
- protected $queryString = null;
-
- /**
- * Array that contains used prefixes and namespaces.
- * Key is the prefix, value the namespace.
- *
- * @example
- * array(8) {
- * ["rdf"] => string(43) "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- * ["rdfs"]=> string(37) "http://www.w3.org/2000/01/rdf-schema#"
- * }
- *
- * @var array
- */
- public $prefixes = array();
-
- /**
- * Array of result variables that shall be returned.
- * E.g. "?name", "?mbox"
- *
- * @var array
- */
- protected $resultVars = array();
-
- /**
- * What form/type of result should be returned.
- *
- * One of:
- * - "ask"
- * - "count"
- * - "construct"
- * - "describe"
- * - "select"
- * - "select distinct"
- *
- * @var string
- * @see http://www.w3.org/TR/rdf-sparql-query/#QueryForms
- */
- protected $resultForm = null;
-
- /**
- * Contains the result part of the SPARQL query.
- * Array of GraphPattern
- *
- * @var array
- */
- protected $resultPart = array();
-
- /**
- * Contains the FROM part of the SPARQL query.
- * @var array
- */
- protected $fromPart = array();
-
- /**
- * Contains the FROM NAMED part of the SPARQL query.
- * @var array
- */
- protected $fromNamedPart = array();
-
- /**
- * Optional solution modifier of the query.
- * Array with three keys:
- * "order by", "limit", "offset"
- * If they are not set, their value is null
- *
- * "order by" can be an array with subarrays, each of those
- * subarrays having two keys: "val" and "type".
- * "val" determines the variable ("?mbox"), "type" is
- * "asc" or "desc"
- *
- * @var array
- */
- protected $solutionModifier = array();
-
- /**
- * Blanknode counter.
- * How many blank nodes are in $resultPart
- *
- * @var int
- */
- protected $bnodeCounter = 0;
-
- /**
- * GraphPattern counter.
- * How many GraphPattern are in $resultPart
- *
- * @var int
- */
- public $graphPatternCounter = 0;
-
- /**
- * List of all vars used in the query.
- * Key is the variable (e.g. "?x"), value
- * is boolean true
- *
- * @var array
- */
- public $usedVars = array();
-
- /**
- * If the query type is CONSTRUCT this variable contains the
- * CONSTRUCT graph pattern.
- */
- protected $constructPattern = null;
-
- /**
- * TRUE if the query is empty FALSE if not.
- *
- * @var boolean
- */
- public $isEmpty = null;
-
- /**
- * Language of variables. NULL if the variable has no
- * language tag (e.g. @en) set.
- * $varname => $language tag
- * @var array
- */
- public $varLanguages = array();
-
- /**
- * Datatype of variables. NULL if the variable has no
- * data type (e.g. ^^xsd::integer) set.
- * $varname => $datatype
- * @var array
- */
- public $varDatatypes = array();
-
-
-
- /**
- * Constructor
- */
- public function Query(){
- $this->resultForm = null;
- $this->solutionModifier['order by'] = null;
- $this->solutionModifier['limit'] = null;
- $this->solutionModifier['offset'] = null;
- $this->bnodeCounter = 0;
- $this->graphPatternCounter = 0;
-
- }
-
- /**
- * Returns the BASE part of the query.
- *
- * @return String
- */
- public function getBase(){
- return $this->base;
- }
-
- /**
- * Returns the prefix map of the query.
- *
- * @return Array
- */
- public function getPrefixes(){
- return $this->prefixes;
- }
-
- /**
- * Returns a list containing the result vars.
- *
- * @return Array
- */
- public function getResultVar($strName) {
- foreach ($this->resultVars as $var) {
- if ($var->getVariable() == $strName) {
- return $var;
- }
- }
- return false;
- }
-
- /**
- * Returns a list containing the result vars.
- *
- * @return Array
- */
- public function getResultVars(){
- return $this->resultVars;
- }
-
- /**
- * Returns the type the result shall have.
- * E.g. "select", "select distinct", "ask", ...
- *
- * @see $resultForm
- *
- * @return string
- */
- public function getResultForm(){
- return $this->resultForm;
- }
-
- /**
- * Returns a list containing the graph patterns of the query.
- *
- * @return Array
- */
- public function getResultPart(){
- return $this->resultPart;
- }
-
- /**
- * Returns the FROM clause of the query.
- *
- * @return String
- */
- public function getFromPart(){
- return $this->fromPart;
- }
-
- /**
- * Returns the FROM NAMED clause of the query.
- *
- * @return Array
- */
- public function getFromNamedPart(){
- return $this->fromNamedPart;
- }
-
- /**
- * Returns $isEmpty variable
- * @return boolean
- */
- public function isEmpty() {
- return $this->isEmpty;
- }
-
- /**
- * Returns an unused Bnode label.
- *
- * @return String
- */
- public function getBlanknodeLabel(){
- return "_:bN".$this->bnodeCounter++;
- }
-
-
- /**
- * Sets the base part.
- *
- * @param String $base
- * @return void
- */
- public function setBase($base){
- $this->base = $base;
- }
-
-
- /**
- * Adds a prefix to the list of prefixes.
- *
- * @param String $prefix
- * @param String $label
- * @return void
- */
- public function addPrefix($prefix, $label){
- $this->prefixes[$prefix]= $label;
- }
-
- /**
- * Adds a variable to the list of result variables.
- *
- * @param String $var
- * @return void
- */
- public function addResultVar($var){
- $this->resultVars[] = $var;
- $var->setDatatype($this->getDatatype($var));
-
- $this->varLanguages[$var->getId()] = self::getLanguageTag($var);
- $this->varDatatypes[$var->getId()] = $this->getDatatype($var);
- }
-
-
- /**
- * Sets the result form.
- *
- * @param String $form
- * @return void
- */
- public function setResultForm($form){
- $this->resultForm = strtolower($form);
- }
-
-
- /**
- * Sets the result part.
- *
- * @param array Array of graph patterns
- */
- public function setResultPart($resultPart) {
- $this->resultPart = $resultPart;
- }
-
- /**
- * Adds a graph pattern to the result part.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- public function addGraphPattern($pattern){
- $pattern->setId($this->graphPatternCounter);
- $this->resultPart[] = $pattern;
- $this->graphPatternCounter++;
- }
-
- /**
- * Adds a construct graph pattern to the query.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- public function addConstructGraphPattern($pattern){
- $this->constructPattern = $pattern;
- }
-
-
- /**
- * Adds a graphuri to the from part.
- *
- * @param String $graphURI
- * @return void
- */
- public function addFrom($graphURI){
- $this->fromPart[] = $graphURI;
- }
-
- /**
- * Adds a graphuri to the from named part.
- *
- * @param String $graphURI
- * @return void
- */
- public function addFromNamed($graphURI){
- $this->fromNamedPart[] = $graphURI;
- }
-
- /**
- * Sets a solution modifier.
- *
- * @param String $name
- * @param Value $value
- * @return void
- */
- public function setSolutionModifier($name, $value){
- $this->solutionModifier[$name] = $value;
- }
-
-
- /**
- * Generates a new GraphPattern. If it is a CONSTRUCT graph pattern
- * $constr has to set to TRUE, FALSE if not.
- *
- * @param boolean $constr
- * @return GraphPattern
- */
- public function getNewPattern($constr = false){
- $pattern = new GraphPattern();
- if ($constr) {
- $this->addConstructGraphPattern($pattern);
- } else {
- $this->addGraphPattern($pattern);
- }
- return $pattern;
- }
-
- /**
- * Adds a new variable to the variable list.
- *
- * @param String $var
- * @return void
- */
- public function addUsedVar($var){
- $this->usedVars[$var]=true;
- }
-
- /**
- * Returns a list with all used variables.
- *
- * @return Array
- */
- public function getAllVars(){
- return array_keys($this->usedVars);
- }
-
- /**
- * Gets the solution modifiers of the query.
- * $solutionModifier['order by'] = value
- * ['limit'] = vlaue
- * ['offset'] = value
- *
- *
- * @return Array
- */
- public function getSolutionModifier(){
- return $this->solutionModifier;
- }
-
-
- /**
- * Returns the construvtGraphPattern of the query if there is one.
- *
- * @return GraphPattern
- */
- public function getConstructPattern(){
- return $this->constructPattern;
- }
-
-
-
- /**
- * Returns a list of variables used in the construct patterns.
- *
- * @return array Array of variable names, unique.
- */
- public function getConstructPatternVariables()
- {
- $arVars = array();
-/*
- if (count($this->resultPart) > 0) {
- foreach ($this->resultPart as $pattern) {
- $arVars = array_merge($arVars, $pattern->getVariables());
- }
- }
-*/
- if ($this->constructPattern) {
- $arVars = array_merge($arVars, $this->constructPattern->getVariables());
- }
-
- return array_unique($arVars);
- }//public function getConstructPatternVariables()
-
-
-
- /**
- * Returns the language of a variable if the tag is set (e.g. @en)
- * Returns NULL if no language is set.
- *
- * @param string Sparql variable name
- * @return mixed NULL or language tag
- */
- public static function getLanguageTag($var)
- {
- $nAt = strpos($var, '@');
- if ($nAt === false) {
- return null;
- }
- //in case @ and ^^ are combined
- $nHatHat = strpos($var, '^^', $nAt + 1);
- if ($nHatHat === false) {
- $tag = substr($var, $nAt + 1);
- } else {
- $tag = substr($var, $nAt + 1, $nHatHat - $nAt - 1);
- }
- return $tag;
- }//public static function getLanguageTag($var)
-
-
-
- /**
- * Returns the datatype of a variable if it is set.
- *
- * @param string Sparql variable name
- * @return mixed NULL or datatype
- */
- public function getDatatype($var)
- {
- $nHatHat = strpos($var, '^^');
- if ($nHatHat === false) {
- return null;
- }
- $nAt = strpos($var, '@', $nHatHat + 2);
- if ($nAt === false) {
- $type = substr($var, $nHatHat + 2);
- } else {
- $type = substr($var, $nHatHat + 2, $nAt - $nHatHat - 2);
- }
-
- $fullUri = $this->getFullUri($type);
- if ($fullUri === false) {
- $fullUri = $type;
- if ($fullUri[0] == '<' && substr($fullUri, -1) == '>') {
- $fullUri = substr($fullUri, 1, -1);
- }
- }
-
- return $fullUri;
- }//public function getDatatype($var)
-
-
-
- /**
- * Gets the full URI of a qname token.
- *
- * @param string $token
- * @return string The complete URI of a given token, false if $token is not
- * a qname or the prefix is not defined
- */
- public function getFullUri($token)
- {
- $pattern="/^([^:]*):([^:]*)$/";
- if (preg_match($pattern, $token, $hits) > 0) {
-
- if (isset($this->prefixes{$hits{1}})) {
- return substr($this->base, 1, -1)
- . $this->prefixes{$hits{1}}
- . $hits{2};
- }
- if ($hits{1}=='_') {
- return "_".$hits{2};
- }
- }
-
- return false;
- }
-
-
-
- /**
- * Checks if the query is complete
- * (so that querying is possible)
- *
- * @return boolean true if the query is complete
- */
- public function isComplete()
- {
- if ($this->resultForm === null) {
- return false;
- }
- //TODO: maybe check selected vars and construct pattern depending
- // on the resultform
- return true;
- }//public function isIncomplete()
-
-
-
- /**
- * Sets the orignal query string
- *
- * @param string $queryString SPARQL query string
- */
- public function setQueryString($queryString)
- {
- $this->queryString = $queryString;
- }//public function setQueryString($queryString)
-
-
-
- /**
- * Returns the orignal query string
- *
- * @return string SPARQL query string
- */
- public function getQueryString()
- {
- return $this->queryString;
- }//public function getQueryString()
-
-}// end class: Query.php
-
-
-
-class Query_ResultVariable
-{
- public $variable = null;
- public $datatype = null;
- public $language = null;
- public $alias = null;
- public $func = null;
-
-
- public function __construct($variable)
- {
- $this->variable = $variable;
- $this->language = Query::getLanguageTag($variable);
- }
-
-
-
- public function setAlias($alias)
- {
- $this->alias = $alias;
- }
-
-
-
- public function setFunc($func)
- {
- $this->func = $func;
- }
-
-
-
- public function setDatatype($datatype)
- {
- $this->datatype = $datatype;
- }
-
-
-
- public function getId()
- {
- //FIXME
- return $this->variable;
- }
-
-
-
- public function getFunc()
- {
- return $this->func;
- }
-
-
-
- public function getLanguage()
- {
- return $this->language;
- }
-
-
-
- public function getDatatype()
- {
- return $this->datatype;
- }
-
-
-
- public function getName()
- {
- if ($this->alias !== null) {
- return $this->alias;
- }
- //FIXME: support for nested(functions())
- return $this->variable;
- }
-
-
-
- public function getVariable()
- {
- return $this->variable;
- }
-
-
-
- public function __toString()
- {
- return $this->getName();
- }
-
-}//class Query_ResultVariable
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/QueryTriple.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/QueryTriple.php.svn-base
deleted file mode 100755
index c3e486a4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/QueryTriple.php.svn-base
+++ /dev/null
@@ -1,123 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class QueryTriple extends Object
-{
-
- /**
- * The QueryTriples Subject.
- * Can be a BlankNode or Resource, string in
- * case of a variable
- * @var Node/string
- */
- protected $subject;
-
- /**
- * The QueryTriples Predicate.
- * Normally only a Resource, string in
- * case of a variable
- * @var Node/string
- */
- protected $predicate;
-
- /**
- * The QueryTriples Object.
- * Can be BlankNode, Resource or Literal, string in
- * case of a variable
- * @var Node/string
- */
- protected $object;
-
-
-
- /**
- * Constructor
- *
- * @param Node $sub Subject
- * @param Node $pred Predicate
- * @param Node $ob Object
- */
- public function QueryTriple($sub,$pred,$ob)
- {
- $this->subject = $sub;
- $this->predicate = $pred;
- $this->object = $ob;
- }
-
- /**
- * Returns the Triples Subject.
- *
- * @return Node
- */
- public function getSubject()
- {
- return $this->subject;
- }
-
- /**
- * Returns the Triples Predicate.
- *
- * @return Node
- */
- public function getPredicate()
- {
- return $this->predicate;
- }
-
- /**
- * Returns the Triples Object.
- *
- * @return Node
- */
- public function getObject()
- {
- return $this->object;
- }
-
-
-
- /**
- * Returns an array of all variables in this triple.
- *
- * @return array Array of variable names
- */
- public function getVariables()
- {
- $arVars = array();
-
- foreach (array('subject', 'predicate', 'object') as $strVar) {
- if (SparqlVariable::isVariable($this->$strVar)) {
- $arVars[] = $this->$strVar;
- }
- }
-
- return $arVars;
- }//public function getVariables()
-
-
-
- public function __clone()
- {
- foreach (array('subject', 'predicate', 'object') as $strVar) {
- if (is_object($this->$strVar)) {
- $this->$strVar = clone $this->$strVar;
- }
- }
- }//public function __clone()
-
-}//class QueryTriple extends Object
-
-// end class: QueryTriple.php
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SPARQL.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SPARQL.php.svn-base
deleted file mode 100755
index f1b99888..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SPARQL.php.svn-base
+++ /dev/null
@@ -1,20 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlClient.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlClient.php.svn-base
deleted file mode 100755
index ce0a546c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlClient.php.svn-base
+++ /dev/null
@@ -1,160 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class SparqlClient extends Object {
-
- var $server;
- var $output;
-
- /**
- * Constructor of SparlClient.
- *
- * @param String $server server address.
- */
- function SparqlClient($server){
- $this->server = $server;
- $this->output = "array";
- }
-
-
- /**
- * Sets the output format for a SELECT or ASK query. Possible formats are "xml" for
- * Sparql Query Results XML Format (http://www.w3.org/TR/rdf-sparql-XMLres/) or array
- * for the format described in our SparqlEngine.
- *
- * @param String $format the format.
- */
- function setOutputFormat($format){
- if(strtolower($format)=="xml")
- $this->output = "xml";
- if(strtolower($format)=="array")
- $this->output = "array";
-
- }
-
- /**
- * Main function of SparqlClient.
- *
- * @param ClientQuery $query the ClientQuery object.
- * @return mixed returns an array that contains the variables an their bindings or a MemModel
- *
- */
- function query($query){
- if(!is_a($query,"ClientQuery"))
- die;//ErrorHandling
-
- $url = $this->_buildurl($query);
- $result = $this->_http_get($url);
- return $this->returnResult($result);
-
- }
-
-
- /**
- * Helper function that builds the url.
- *
- * @param ClientQuery $query the ClientQuery Object.
- */
-
- function _buildurl($query){
- $url = "";
- $url = $this->server."?query=".urlencode($query->query);
- foreach($query->default as $defaultg){
- $url = $url."&default-graph-uri=".$defaultg;
- }
- foreach($query->named as $namedg){
- $url = $url."&named-graph-uri=".$namedg;
- }
-
- return $url;
-
- }
-
- /**
- * Returns the query result.
- *
- * @param String $result the result.
- * @return mixed
- */
- function returnResult($result){
-
- if(strpos($result,"generateModel(substr($result,strpos($result,"output == "xml"){
- $pos = strpos($result,"output == "array"){
- // $pos = strpos($buffer,"parseResult($result);
- }
- return $result;
- }
-
-
- function parseResult($buffer){
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_SPARQLRES);
- $parser = new SparqlResultParser();
- return $parser->parse($buffer);
- }
-
-
- /**
- * Executes the GET Request.
- *
- * @param String $url the url.
- * @return String result.
- */
- function _http_get($url)
- {
- $url = parse_url($url);
- $port = isset($url['port']) ? $url['port'] : 80;
-
- $fp = fsockopen($url['host'], $port);
-
- $replace = $url['path'];
-
- fputs($fp, "GET ".$replace."?".$url['query']." HTTP/1.0\n");
- fputs($fp, "Host:". $url['host']." \r\n");
- fputs($fp, "Accept: application/sparql-results+xml, application/rdf+xml\r\n");
- fputs($fp, "Connection: close\n\n");
-
- $buffer = "";
- while ($tmp = fread($fp, 1024))
- {
- $buffer .= $tmp;
- }
-
- $pos1 = strpos($buffer,"\r\n\r\n");
- $pos2 = strpos($buffer,"\n\n");
- if ($pos1 === false) {
- $pos = $pos2;
- } else {
- $pos = $pos1;
- }
-
- return substr($buffer,$pos);
-
- }
-}
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngine.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngine.php.svn-base
deleted file mode 100755
index 574ebd23..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngine.php.svn-base
+++ /dev/null
@@ -1,1169 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-Class SparqlEngine extends Object{
-
-
- /**
- * The query object.
- * @var Query
- */
- protected $query;
-
- /**
- * The RDF Dataset.
- * @var Dataset
- */
- protected $dataset;
-
-
-
- /**
- * Use SparqlEngine::factory() instead of this
- * constructor.
- */
- protected function __construct()
- {
- //protected to prevent direct instantiation
- }
-
-
- /**
- * Creates a new instance of the SparqlEngine, depending on the
- * given model. For example, if you pass a DbModel, you will
- * get a SparqlEngine specialized on databases.
- *
- * @param Model $model RDF model that uses the engine
- */
- public function factory($model = null)
- {
- if ($model !== null && $model instanceof DbModel) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb.php';
- return new SparqlEngineDb($model);
- } else {
- return new SparqlEngine();
- }
- }
-
-
-
- /**
- * The query engine's main method.
- *
- * @param Dataset $dataset the RDF Dataset
- * @param mixed $query the parsed SPARQL query
- * @param String $resultform the result form. If set to 'xml' the result will be
- * SPARQL Query Results XML Format as described in http://www.w3.org/TR/rdf-sparql-XMLres/ .
- * @return Array/String Type of the result depends on $resultform.
- */
- public function queryModel($dataset, Query $query, $resultform = false)
- {
- $this->query = $query;
- $this->dataset = $dataset;
-
- if($this->query->isEmpty){
- $vartable[0]['patternResult'] = null;
- return SparqlEngine_ResultConverter::convertFromResult(
- $vartable,
- $this,
- $resultform
- );
- }
-
- $graphlist = $this->preselectGraphs();
- /// match graph patterns against the RDF Dataset
- $patternlist = $this->matchPatterns($graphlist);
- // filter results- apply inner filters
- $patternlist = $this->filterPatterns($patternlist,false);
- // join pattern results
- $vartable = $this->joinResults($patternlist);
- // filter results- apply outer filters
- $vartable = $this->filterPatterns($vartable,true);
-
- if ($vartable[0]['patternResult'] != null) {
- // sort vars (ORDER BY, LIMIT, OFFSET)
- $vartable = $this->sortVars($vartable[0]['patternResult']);
- $qrf = $this->query->getResultForm();
- if ($qrf == 'select' || $qrf == 'select distinct') {
- $vars = $this->query->getResultVars();
- $vartable = $this->selectVars($vartable, $vars);
- if ($qrf == 'select distinct') {
- $vartable = $this->distinct($vartable);
- }
- }
- } else {
- $vartable = null;
- }
-
- return SparqlEngine_ResultConverter::convertFromResult(
- $vartable,
- $this,
- $resultform
- );
- }//public function queryModel($dataset, Query $query, $resultform = false)
-
-
-
- /**
- * Matches all graph Patterns against the dataset and generates an array which
- * contains the result sets for every given GraphPattern.
- *
- * @param Array $graphlist the graphlist which contains the names of the named
- * graphs which has to be queried.
- * @return Array
- */
- protected function matchPatterns($graphlist){
- $patternlist = array();
- // get the result part from the query
- $resultPart = $this->query->getResultPart();
- // for each GrapPattern in the result part
- if($resultPart)
- foreach($resultPart as $graphPattern){
- $this->matchPattern($patternlist, $graphlist, $graphPattern);
- }
- return $patternlist;
- }
-
-
-
- /**
- * Finds tuples that match one graph pattern.
- *
- * @param Array $patternlist list that contains the graphPatterns
- * @param array $graphlist the graphlist
- * @param GraphPattern $graphPattern the pattern which has to be matched
- * @return void
- */
- protected function matchPattern(&$patternlist, $graphlist, &$graphPattern) {
- // generate an empty result set
- $finalRes = null;
- // if the GraphPattern has triple patterns
- if (count($graphPattern->getTriplePatterns()) > 0) {
- // check if the pattern has a GRAPH clause and if this Iri is in $graphlist
- $newGraphList = $this->_checkGraphs($graphPattern,$graphlist);
- if($newGraphList){
- $qt = $graphPattern->getTriplePatterns();
- $resultSet = $this->findTuplesMatchingOnePattern($qt[0], $newGraphList);
- for ($i=1; $ifindTuplesMatchingOnePattern($qt[$i], $newGraphList);
- $resultSet = $this->joinTuples($resultSet, $rs);
- if(!$resultSet)
- break;
- }
- if($finalRes != null){
- $finalRes = $this->joinTuples($finalRes,$resultSet);
- }else{
- $finalRes = $resultSet;
- }
- }
- }
- // dependencies between pattern results
- $patternlist[$graphPattern->getId()]['hasOptional'] = 0;
- $patternlist[$graphPattern->getId()]['hasUnion'] = 0;
- $patternlist[$graphPattern->getId()]['patternResult'] = $finalRes;
-
- $op = $graphPattern->getOptional();
- $un = $graphPattern->getUnion();
-
- $patternlist[$graphPattern->getId()]['optionalTo'] = $op;
- if(is_int($op))
- $patternlist[$op]['hasOptional']++;
-
- $patternlist[$graphPattern->getId()]['unionWith'] = $un;
- if(is_int($un))
- $patternlist[$un]['hasUnion']++;
-
- $constraint = $graphPattern->getConstraints();
- if(count($constraint) > 0){
- foreach($constraint as $constr){
- if($constr->isOuterFilter()){
- $patternlist[$graphPattern->getId()]['outerFilter'][] = $constr;
- $patternlist[$graphPattern->getId()]['innerFilter'][] = null;
- }else{
- $patternlist[$graphPattern->getId()]['innerFilter'][] = $constr;
- $patternlist[$graphPattern->getId()]['outerFilter'][] = null;
- }
- }
- }else{
- $patternlist[$graphPattern->getId()]['innerFilter'] = null;
- $patternlist[$graphPattern->getId()]['outerFilter'] = null;
- }
- }
-
-
- /**
- * Finds Tuples matching one TriplePattern.
- *
- * @param TriplePattern $pattern
- * @param Array $graphlist
- * @return Array
- */
- protected function findTuplesMatchingOnePattern($pattern, $graphlist){
- $var = null;
- $sub = $pattern->getSubject();
- $pred = $pattern->getPredicate();
- $obj = $pattern->getObject();
-
- if(is_string($sub)||$sub instanceof BlankNode){
- if(is_string($sub))
- $var['sub'] = $sub;
- $sub = null;
- }
- if(is_string($pred)||$pred instanceof BlankNode ){
- if(is_string($pred))
- $var['pred'] = $pred;
- $pred = null;
- }
- if(is_string($obj)||$obj instanceof BlankNode){
- if(is_string($obj))
- $var['obj'] = $obj;
- $obj = null;
- }
- $intBindings = $this->_buildIntBindings($var);
- $k = 0;
-
- $key = 0;
- // search in named graphs
- if($graphlist['var'][0] != null||$graphlist['list'][0] != null){
- foreach($graphlist['list'] as $key => $graphnode){
-
- // query the dataset
- $it = $this->dataset->findInNamedGraphs($graphnode,$sub,$pred,$obj,false);
- if($it->valid()){
- // add statements to the result list
- while($it->valid()){
- if($graphnode == null){
- $element = $it->current()->getStatement();
- $grname = $it->current()->getGraphname();
- }else{
- if($it->current() instanceof Quad)
- $element = $it->current()->getStatement();
- else
- $element = $it->current();
-
- $grname = $graphnode;
- }
- if($this->checkIntBindings($element,$intBindings)){
- $resmodel['trip'][$k] = $element;
- $resmodel['graph'][$k] = $grname;
- // $resmodel['graphvar'][$k] = $graphlist['var'][$key];
- $resmodel['graphvar'][$k] = $graphlist['var'][0];
- $k++;
-
- }
- $it->next();
- }
- }
-
- }
- }
- // search in the default graph
- if($graphlist['list'][0] == null && $graphlist['var'][0] == null){
-
-
- $gr = $this->dataset->getDefaultGraph();
-
- $res = $gr->find($sub,$pred,$obj);
-
- foreach($res->triples as $innerkey => $element){
- if($this->checkIntBindings($element,$intBindings)){
- $resmodel['trip'][$k] = $element;
- $resmodel['graph'][$k] = null;
- $resmodel['graphvar'][$k] = $graphlist['var'][$key];
- $k++;
- }
- }
- }
- if($k == 0)
- return false;
- return $this->_buildResultSet($pattern,$resmodel);
- }
-
- /**
- * Checks it there are internal bindings between variables.
- *
- * @param Triple $trip
- * @param Array $intBindings
- * @return boolean
- */
- protected function checkIntBindings($trip, $intBindings){
- switch($intBindings){
- case -1:
- return true;
- break;
- case 0:
- if($trip->subj != $trip->pred)
- return false;
- break;
- case 1:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->subj != $trip->obj)
- return false;
- break;
- case 2:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->pred != $trip->obj)
- return false;
- break;
- case 3:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->pred != $trip->obj || $trip->pred != $trip->subj )
- return false;
- break;
- }
- return true;
- }
-
-
- /**
- * Perform an SQL-like inner join on two resultSets.
- *
- * @param Array &$finalRes
- * @param Array &$res
- * @return Array
- */
- protected function joinTuples(&$finalRes, &$res) {
-
- if (!$finalRes || !$res)
- return array();
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- $k = key($res);
-
- foreach ($res[$k] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0]))
- $jointVars[] = $varname;
- else
- $newVars[] = $varname;
- }
-
- // eliminate rows of $finalRes in which the values of $jointVars do not have
- // a corresponding row in $res.
- foreach ($finalRes as $n => $fRes) {
- foreach ($res as $i => $r) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok)
- break;
- }
- if (!$ok)
- unset($finalRes[$n]);
- }
-
- // join $res and $finalRes
- $joinedRes = array();
- foreach ($res as $r) {
- foreach ($finalRes as $n => $fRes) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok) {
- $joinedRow = $finalRes[$n];
- foreach($newVars as $n_varname)
- $joinedRow[$n_varname] = $r[$n_varname];
- $joinedRes[] = $joinedRow;
- }
- }
- }
- return $joinedRes;
- }
-
-
- /**
- * Joins OPTIONAL pattern results.
- *
- * @param Array &$finalRes
- * @param Array &$res
- * @return Array the joined Array
- */
- protected function joinOptionalTuples(&$finalRes, &$res) {
-
- if(!$finalRes && !$res)
- return array();
-
- if(!$finalRes)
- return $res;
-
- if(!$res)
- return $finalRes;
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- $result = array();
-
- $k = key($res);
-
- foreach ($res[$k] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0])){
- $jointVars[] = $varname;
- }else{
- $newVars[] = $varname;
- }
- }
- $joined = array();
- $joinc = 0;
- foreach($finalRes as $i =>$fRes){
- foreach($res as $n =>$r){
- $join = false;
- foreach($jointVars as $j_varname){
- if($r[$j_varname]==$fRes[$j_varname]){
- $join = true;
- //break;
- }else{
- $join = false;
- }
- }
- if($join){
- $result[$joinc] = $fRes;
- foreach($newVars as $n_varname)
- $result[$joinc][$n_varname] = $r[$n_varname];
- $joined[]=$n;
- $joinc++;
- }
-
- }
- }
-
- $count = count($result);
- foreach($res as $k =>$val){
- if(!in_array($k,$joined)){
- $result[$count] = $finalRes[0];
- foreach($result[$count] as $varname => $varVal){
- $result[$count][$varname]='';
- }
-
- foreach($val as $varname2 => $varVal2){
- $result[$count][$varname2]=$varVal2;
- }
- $count++;
- }
- }
- return $result;
- }
-
-
-
- /**
- * Looks in from and from named part of the query and
- * adds the graphs to the graphlist.
- *
- * @return Array
- */
- protected function preselectGraphs(){
- $fromNamed = $this->query->getFromNamedPart();
- if($fromNamed == null)
- $fromNamed[] = null;
- return $fromNamed;
- }
-
-
- /**
- * Evaluates the GRPAH clause if there is one. Checks if
- * the GRAPH clause contains an IRI, variable or nothing.
- * Returns an array which contains the graphs that has to be matched.
- *
- * @param GraphPattern $pattern
- * @param Array $graphlist
- * @return Array
- */
- protected function _checkGraphs(&$pattern,$graphlist){
-
- $gr = $pattern->getGraphname();
- if($gr instanceof Resource ){
- if($graphlist[0]==null || in_array($gr,$graphlist)){
- $newGraphList['list'][] = $gr;
- $newGraphList['var'][] = null;
- }else{
- return false;
- }
- }elseif (is_string($gr)){
- $newGraphList['list'] = $graphlist;
- $newGraphList['var'][] = $gr;
- }else{
- $newGraphList['list'] = $graphlist;
- $newGraphList['var'][] = null;
- }
- return $newGraphList;
- }
-
- /**
- * Marks triples with internal bindings.
- * int bindings -1 :none 0:sub=pred 1:sub=obj 2:pred=obj 3:sub=pred=obj.
- *
- * @param Array $var
- * @return Array
- */
- protected function _buildIntBindings($var){
- $intBindings = -1;
- if(!$var)
- return $intBindings;
-
- if(isset($var['sub'])){
- if(isset($var['pred']))
- if($var['sub'] == $var['pred'])
- $intBindings = 0;
- if(isset($var['obj']))
- if($var['sub'] == $var['obj']){
- if( $intBindings == 0){
- $intBindings = 3;
- }else{
- $intBindings = 1;
- }
- }
- }
- if(isset($var['pred'])){
- if(isset($var['obj']))
- if($var['pred']==$var['obj']&&$intBindings!=3)
- $intBindings = 2;
- }
- return $intBindings;
- }
-
- /**
- * Builds the resultset.
- *
- * @param GraphPattern $pattern
- * @param Array $resmodel
- * @return Array
- */
- protected function _buildResultSet($pattern,$resmodel){
- // determine variables and their corresponding values
- $result = null;
- if(is_string($pattern->getSubject())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getSubject()] = $triple->subj;
- }
- }
- if(is_string($pattern->getPredicate())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getPredicate()] = $triple->pred;
- }
- }
- if(is_string($pattern->getObject())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getObject()] = $triple->obj;
- }
- }
- return $result;
- }
-
- /**
- * Selects the result variables and builds a result table.
- *
- * @param Array $table the result table
- * @param Array $vars the result variables
- * @return Array
- */
- protected function selectVars($table,$vars){
- if($vars[0]=='*')
- $vars = $this->query->getAllVars();
- $resTable = array();
- $hits = 0;
- foreach($table as $val){
- foreach($vars as $var){
- if(isset($val[(string)$var])){
- $resTable[$hits][(string)$var]=$val[(string)$var];
- }else{
- $resTable[$hits][(string)$var]="";
- }
- }
- $hits++;
- }
- return $resTable;
- }
-
- /**
- * Joins the results of the different Graphpatterns.
- *
- * @param Array $patternlist
- * @return Array
- */
- protected function joinResults($patternlist){
- $joined[0]['patternResult'] = null;
- $joined[0]['outerFilter'] = null;
-
- while(count($patternlist)>0){
- foreach($patternlist as $key => $pattern){
- if($pattern['hasOptional'] == 0 && $pattern['hasUnion'] == 0){
- if(is_int($pattern['optionalTo'])){
- $patternlist[$pattern['optionalTo']]['hasOptional']--;
- $patternlist[$pattern['optionalTo']]['patternResult'] = $this->joinOptionalTuples($pattern['patternResult'],$patternlist[$pattern['optionalTo']]['patternResult']);
- unset($patternlist[$key]);
- break;
- }
- else if(is_int($pattern['unionWith'])){
- $patternlist[$pattern['unionWith']]['hasUnion']--;
- foreach($pattern['patternResult'] as $value)
- array_push($patternlist[$pattern['unionWith']]['patternResult'],$value);
- unset($patternlist[$key]);
- break;
- }else{
- if($joined[0]['patternResult'] == null){
- $joined[0]['patternResult'] = $pattern['patternResult'];
- if($joined[0]['outerFilter'] == null )
- $joined[0]['outerFilter'] = $pattern['outerFilter'];
- unset($patternlist[$key]);
- break;
- }
- // if($pattern['patternResult'] !=null ){
- $joined[0]['patternResult'] = $this->joinTuples($joined[0]['patternResult'],$pattern['patternResult']);
- $joined[0]['outerFilter'] = $pattern['outerFilter'];
- unset($patternlist[$key]);
- break;
- // }
- }
- }
- }
- }
- return $joined;
- }
-
- /**
- * Filters the pattern results.
- *
- * @param Array $patternlist list containing the results of the GraphPatterns
- * @param boolean $outer TRUE if its an outer filter FALSE if not
- * @return Array the filtered patternlist
- */
- protected function filterPatterns($patternlist,$outer){
- if($outer)
- $filter = 'outerFilter';
- else
- $filter = 'innerFilter';
- foreach($patternlist as $patkey => $pattern){
- // get constraints
- $constraint = $pattern[$filter];
-
- if(count($constraint)>0){
- foreach($constraint as $constr){
- if($constr != null){
- // extract Vars and function calls
- $evalString = $constr->getExpression();
- preg_match_all("/\?.[^\s\)\,]*/",$evalString,$vars);
- preg_match_all("/bound\((.[^\)]*)\)/i",$evalString,$boundcalls);
- preg_match_all("/isuri\((.[^\)]*)\)/i",$evalString,$isUricalls);
- preg_match_all("/isblank\((.[^\)]*)\)/i",$evalString,$isBlankcalls);
- preg_match_all("/isLiteral\((.[^\)]*)\)/i",$evalString,$isLiteralcalls);
- preg_match_all("/lang\((.[^\)]*)\)/i",$evalString,$langcalls);
- preg_match_all("/datatype\((.[^\)]*)\)/i",$evalString,$datatypecalls);
- preg_match_all("/str\((.[^\)]*)\)/i",$evalString,$stringcalls);
-
- // is Bound
- if(count($boundcalls[1])>0)
- $function['bound'] = $boundcalls[1];
- else
- $function['bound'] = false;
-
- // is URI
- if(count($isUricalls[1])>0)
- $function['isUri'] = $isUricalls[1];
- else
- $function['isUri'] = false;
-
- // is Blank
- if(count($isBlankcalls[1])>0)
- $function['isBlank'] = $isBlankcalls[1];
- else
- $function['isBlank'] = false;
-
- // is Literal
- if(count($isLiteralcalls[1])>0)
- $function['isLiteral'] = $isLiteralcalls[1];
- else
- $function['isLiteral'] = false;
-
- // lang
- if(count($langcalls[1])>0)
- $function['lang'] = $langcalls[1];
- else
- $function['lang'] = false;
-
- // datatype
- if(count($datatypecalls[1])>0)
- $function['datatype'] = $datatypecalls[1];
- else
- $function['datatype'] = false;
-
- // string
- if(count($stringcalls[1])>0)
- $function['string'] = $stringcalls[1];
- else
- $function['string'] = false;
-
-
- foreach($pattern['patternResult'] as $key => $res){
- $result = false;
- $evalString = $this->fillConstraintString($vars,$res,$constr,$function);
- $evalString = '$result =('.$evalString.');';
- // evaluate Constraint
- @eval($evalString);
-
- if(!$result)
- unset($patternlist[$patkey]['patternResult'][$key]);
-
- }
- }
- }
- }
- }
- return $patternlist;
- }
-
- /**
- * Builds an evaluation string to determine wether the result passes
- * the filter or not. This string is evaluatet by the php buildin eval() function
- *
- * @param Array $vars a list which contains the used variables
- * @param Array $res the result part which have to be evaluated
- * @param Constraint $constraint the Constrain object
- * @param Array $function an Array which contains the used functions
- * @return String
- */
-
- protected function fillConstraintString($vars,$res,$constraint,$function){
-
- $boundExpr = false;
- $evalString = $constraint->getExpression();
-
- // extract Literals
- $pattern1 = "/\".[^\"]*\"[^\^\@]/";
- $pattern2 = "/\'.[^\']*\'[^\^\@]/";
- preg_match_all($pattern1,$evalString,$hits1);
- preg_match_all($pattern2,$evalString,$hits2);
-
- foreach($hits1[0] as $k => $val){
- $evalString = preg_replace('/\".[^\"]*\"[^\^]/','_REPLACED1_'.$k++,$evalString,1);
- }
- foreach($hits2[0] as $k => $val){
- $evalString = preg_replace('/\".[^\"]*\"[^\^]/','_REPLACED2_'.$k++,$evalString,1);
- }
-
- // replace namespaces
- $prefs = $this->query->getPrefixes();
- foreach($prefs as $key => $val){
- if($key == '')
- $key = ' ';
- $evalString = preg_replace("/^(".$key."\:)(.[^\s]*)|([\s\(]?[^\^])(".$key."\:)(.[^\s\)]*)([\s\)]?)/","$3'<".$val."$2$5>'$6",$evalString);
-
- $evalString = preg_replace("/(\^)(".$key."\:)(.[^\s]*)/","$1<".$val."$3>",$evalString);
- }
-
- $xsd = "http\:\/\/www.w3.org\/2001\/XMLSchema\#";
-
- // evaluate bound calls
- if($function['bound']){
- $boundExpr = true;
- foreach($function['bound'] as $var){
- if(isset($res[$var]) && $res[$var]!=="")
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/bound\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isBlank calls
- if($function['isBlank']){
- foreach($function['isBlank'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof BlankNode )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isBlank\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isLiteral calls
- if($function['isLiteral']){
- foreach($function['isLiteral'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isLiteral\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isUri calls
- if($function['isUri']){
- foreach($function['isUri'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Resource && $res[$var]->getUri() && !$res[$var] instanceof BlankNode )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isUri\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate lang calls
- if($function['lang']){
- foreach($function['lang'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal && $res[$var]->getLanguage() )
- $replacement = '"'.$res[$var]->getLanguage().'"';
- else
- $replacement = 'null';
- $evalString = preg_replace("/lang\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate datatype calls
- if($function['datatype']){
- foreach($function['datatype'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal && $res[$var]->getDatatype() )
- $replacement = '\'<'.$res[$var]->getDatatype().'>\'';
- else
- $replacement = 'false';
- $evalString = preg_replace("/datatype\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate string calls
- if($function['string']){
- foreach($function['string'] as $var){
- if($var{0}=='?' || $var{0}=='$'){
- if(isset($res[$var]) && $res[$var]!==""){
- $replacement = "'str_".$res[$var]->getLabel()."'";
- if($res[$var] instanceof BlankNode)
- $replacement = "''";
- }else{
- $replacement = 'false';
- }
- $evalString = preg_replace("/str\(\\".$var."\)/i",$replacement,$evalString);
- }else{
- if($var{0}=='<'){
- $evalString = preg_replace("/str\(\s*\<(.[^\>]*)\>\s*\)/i","'str_$1'",$evalString);
- }
- if($var{0}=='"'){
- $evalString = preg_replace("/str\(\s*\"(.[^\>]*)\"\@[a-z]*\s*\)/i","'str_$1'",$evalString);
- }
- }
-
- }
- }
- // evaluate VARS
- foreach($vars[0] as $var){
- if(isset($res[$var])&&$res[$var]!== ""){
- //$replacement = "'".$res[$var]->getLabel()."'";
- $replacement = '" "';
- if($res[$var] instanceof Literal){
- if($res[$var]->getDatatype()!= null){
- if($res[$var]->getDatatype() == XML_SCHEMA.'boolean')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'double')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'integer')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'dateTime')
- $replacement = strtotime($res[$var]->getLabel());
- }else{
- if($res[$var]->getLabel()=="")
- $replacement = 'false';
- else
- $replacement = "'str_".$res[$var]->getLabel()."'";
- }
- }else{
- if($res[$var] instanceof Resource){
- $replacement = "'<".$res[$var]->getLabel().">'";
- }
- }
- $evalString = preg_replace("/\\".$var."/",$replacement,$evalString);
- }
-
- // problem with PHP: false < 13 is true
- if(isset($res[$var])){
- if($res[$var] === ""){
- if($boundExpr)
- $evalString = preg_replace("/\\".$var."/","false",$evalString);
- else
- $evalString = 'false';
- }
- }else{
- $evalString = preg_replace("/\\".$var."/","false",$evalString);
- }
-
- }
-
- // replace '=' with '=='
- $evalString = preg_replace("/(.[^\=])(\=)(.[^\=])/","$1==$3",$evalString);
-
-
- // rewrite Literals
- foreach($hits1[0] as $k => $val){
- $pattern = '/_REPLACED1_'.$k.'/';
- $evalString = preg_replace($pattern,$hits1[0][$k],$evalString,1);
- }
-
- foreach($hits2[0] as $k => $val){
- $pattern = '/_REPLACED2_'.$k.'/';
- $evalString = preg_replace($pattern,$hits2[0][$k],$evalString,1);
- }
-
- // replace xsd:boolean expressions
- $pattern = $pattern = '/\"\s?true\s?\"\^\^\<'.$xsd.'boolean\>|\'\s?true\s?\'\^\^xsd:boolean/';
- $evalString = preg_replace($pattern,"true",$evalString);
-
- $pattern = $pattern = '/\"\s?false\s?\"\^\^\<'.$xsd.'boolean\>|\'\s?false\s?\'\^\^xsd:boolean/';
- $evalString = preg_replace($pattern,"false",$evalString);
-
- // replace xsd:date expressions
- $pattern = "/\"(.[^\"]*)\"\^\^".$xsd."dateTime/";
- preg_match_all($pattern,$evalString,$hits);
-
- foreach($hits[1] as $dummy)
- $evalString = preg_replace("/\".[^\"]*\"\^\^".$xsd."dateTime/",strtotime($dummy),$evalString,1);
-
-
- $evalString = preg_replace("/(\'\<".$xsd."dateTime\()(.[^\)]*\))\>\'/","dateTime($2",$evalString);
-
- $evalString = preg_replace("/(\'\<".$xsd."integer\()(.[^\)]*\))\>\'/","integer($2",$evalString);
-
- // tag plain literals
- $evalString = preg_replace("/\"(.[^\"]*)\"([^\^])|\"(.[^\"]*)\"$/","'str_$1$3'$2",$evalString);
-
- return $evalString;
- }
-
- /**
- * Sorts the results.
- *
- * @param Array $vartable List containing the unsorted result vars
- * @return Array List containing the sorted result vars
- */
- protected function sortVars($vartable)
- {
- $newTable = array();
- $mod = $this->query->getSolutionModifier();
- // if no ORDER BY solution modifier return vartable
- if($mod['order by']!= null){
- $order = $mod['order by'];
- $map = $this->buildVarmap($order,$vartable);
- foreach($map as $val){
- $newTable[] = $vartable[$val];
- }
- }else{
- $newTable = $vartable;
- }
-
- if($mod['offset'] != null){
- $newTable = array_slice ($newTable, $mod['offset']);
- }
- if($mod['limit'] != null){
- $newTable = array_slice($newTable,0,$mod['limit']);
- }
-
- return $newTable;
- }
-
- /**
- * Sorts the result table.
- *
- * @param String $order (ASC/DESC)
- * @param Array $vartable the vartable
- * @return Array A map that contains the new order of the result vars
- */
- protected function buildVarmap($order, $vartable)
- {
- $n= 0;
- $result = array();
- $num_var = array();
- foreach($order as $variable)
- $num_var[$variable['val']] = 0;
-
- foreach($vartable as $k => $x){
- foreach($order as $value){
- // if the value is a typed Literal try to determine if it
- // a numeric datatype
- if($x[$value['val']] instanceof Literal){
- $dtype = $x[$value['val']]->getDatatype();
- if($dtype){
- switch($dtype){
- case XML_SCHEMA."integer":
- $num_var[$value['val']]++;
- break;
- case XML_SCHEMA."double":
- $num_var[$value['val']]++;
- break;
-
- }
- }
- }
- if($x[$value['val']]){
- if($x[$value['val']]instanceof Literal){
- $pref = "2";
- }
- if($x[$value['val']]instanceof Resource){
- $pref = "1";
- }
- if($x[$value['val']]instanceof BlankNode){
- $pref = "0";
- }
- $result[$value['val']][$n] = $pref.$x[$value['val']]->getLabel();
- }else{
- $result[$value['val']][$n] = "";
- }
- }
- $result['oldKey'][$n] = $k;
- $n++;
- }
- $sortString = "";
- foreach($order as $value){
- if($num_var[$value['val']] == $n)
- $sort = SORT_NUMERIC;
- else
- $sort = SORT_STRING;
-
- if($value['type'] == 'asc')
- $type = SORT_ASC;
- else
- $type = SORT_DESC;
-
- $sortString = $sortString.'$result["'.$value['val'].'"],'.$type.','.$sort.',';
- }
- $sortString = "array_multisort(".$sortString.'$result["oldKey"]);';
-
- @eval($sortString);
- return $result['oldKey'];
- }
-
-
-
- /**
- * Eliminates duplicate results.
- *
- * @param Array $vartable a table that contains the result vars and their bindings
- * @return Array the result table without duplicate results
- */
- protected function distinct($vartable)
- {
- $index = array();
- foreach($vartable as $key => $value){
- $key_index="";
- foreach($value as $k => $v)
- if($v instanceof Object)
- $key_index = $key_index.$k.$v->toString();
- if(isset($index[$key_index]))
- unset($vartable[$key]);
- else
- $index[$key_index]= 1;
- }
- return $vartable;
- }
-
-
- /**
- * Prints a query result as HTML table.
- * You can change the colors in the configuration file.
- *
- * @param array $queryResult [][?VARNAME] = object Node
- * @return void
- */
- public function writeQueryResultAsHtmlTable($queryResult) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- if ( $queryResult[0] == null) {
- echo 'no match
';
- return;
- }
- if ( $queryResult == 'false') {
- echo 'boolean: false
';
- return;
- }
- if ( $queryResult == 'true') {
- echo 'boolean: true
';
- return;
- }
-
-
- echo '| No. | ';
- foreach ($queryResult[0] as $varName => $value)
- echo "$varName | ";
- echo '
';
-
- foreach ($queryResult as $n => $var) {
-
-
- echo '| ' .($n + 1) .'. | ';
- foreach ($var as $varName => $value) {
- if($value !=''){
- echo INDENTATION . INDENTATION . '';
- echo ' ';
-
- $lang = NULL;
- $dtype = NULL;
- if (is_a($value, 'Literal')) {
- if ($value->getLanguage() != NULL)
- $lang = ' (xml:lang="' . $value->getLanguage() . '") ';
- if ($value->getDatatype() != NULL)
- $dtype = ' (rdf:datatype="' . $value->getDatatype() . '") ';
- }
- echo RDFUtil::getNodeTypeName($value) .$value->getLabel() . $lang . $dtype .' ';
- }else{
- echo " | unbound";
- }
- }
- echo ' |
';
- }
- echo '
';
- }
-
-
-
- /*
- * Dumb getters
- */
-
-
-
- public function getQuery()
- {
- return $this->query;
- }//public function getQuery()
-
-
-
- public function getDataset()
- {
- return $this->dataset;
- }//public function getDataset()
-
-} // end: Class SparqlEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngineDb.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngineDb.php.svn-base
deleted file mode 100755
index 8579ea69..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlEngineDb.php.svn-base
+++ /dev/null
@@ -1,391 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb
-{
- /**
- * Sparql Query object.
- *
- * @var Query
- */
- protected $query;
-
- /**
- * RDF dataset object.
- * @var Dataset
- */
- protected $dataset;
-
- /**
- * Database connection object.
- * @var ADOConnection
- */
- protected $dbConn;
-
- /**
- * Internal ID for our graph model.
- * Stored in the database along the statements.
- * Can be of different types:
- * - array: array of modelIds
- * - null: all models
- *
- * @var array OR null
- */
- protected $arModelIds;
-
- /**
- * Prepared SQL statements are stored in here.
- * @var array
- */
- protected $arPrepared = null;
-
- /**
- * If the prepared statement is really prepared, or if we just emulate it.
- * @var boolean
- */
- protected $bRealPrepared = false;
-
- /**
- * SQL generator instance
- * @var SparqlEngineDb_SqlGenerator
- */
- protected $sg = null;
-
- /**
- * Type sorting instance
- * @var SparqlEngineDb_TypeSorter
- */
- protected $ts = null;
-
- /**
- * Prepared statments preparator instance
- * @var SparqlEngineDb_Preparator
- */
- protected $pr = null;
-
-
-
- /**
- * Use SparqlEngine::factory() to create the instance
- *
- * @param mixed $model DbModel or DbStore
- * @param mixed $arModelIds Array of modelIds, or NULL to use all models
- */
- public function __construct($model, $arModelIds = null)
- {
- //parent::__construct();
- if ($model instanceof DbModel) {
- $this->dbConn = $model->getDbConn();
- $this->arModelIds = array($model->getModelID());
- } else if ($model instanceof DbStore) {
- $this->dbConn = $model->getDbConn();
- $this->arModelIds = $arModelIds;
- }
- }//public function __construct(DbModel $model, $arModelIds = null)
-
-
-
- /**
- * Query the database with the given SPARQL query.
- *
- *
- * @param Dataset $dataset RDF Dataset
- * @param Query $query Parsed SPARQL query
- * @param string $resultform Result form. If set to 'xml' the result will be
- * SPARQL Query Results XML Format as described in http://www.w3.org/TR/rdf-sparql-XMLres/ .
- *
- * @return array/string array of triple arrays, or XML. Format depends on
- * $resultform parameter.
- */
- public function queryModel($dataset, Query $query, $resultform = false)
- {
- if (isset($GLOBALS['debugSparql']) && $GLOBALS['debugSparql']) {
- echo "\n" . 'SPARQL query: ' . $query->getQueryString() . "\n";
- }
-
- $this->query = $query;
- $this->dataset = $dataset;
-
- $qsimp = new SparqlEngineDb_QuerySimplifier();
- $qsimp->simplify($this->query);
-
- $this->sg = new SparqlEngineDb_SqlGenerator ($this->query, $this->dbConn, $this->arModelIds);
- $this->rc = new SparqlEngineDb_ResultConverter($this->query, $this->sg, $this);
- $this->ts = new SparqlEngineDb_TypeSorter ($this->query, $this->dbConn);
-
- $this->setOptions();
-
- if ($this->query->isEmpty()){
- $vartable[0]['patternResult'] = null;
- return $this->returnResult($vartable, $resultform);
- }
-
-
- $arSqls = $this->sg->createSql();
- $this->ts->setData($this->sg);
-
- return
- SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->queryMultiple(
- $this->ts->getOrderifiedSqls(
- $arSqls
- )
- ),
- $this,
- $resultform
- );
- }//public function queryModel($dataset, Query $query, $resultform = false)
-
-
-
- /**
- * Create a prepared statement that can be executed later.
- *
- * @param Dataset $dataset RDF Dataset
- * @param Query $query Parsed SPARQL query
- *
- * @return SparqlEngineDb_PreparedStatement Prepared statment that can
- * be execute()d later.
- */
- public function prepare(Dataset $dataset, Query $query)
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb/PreparedStatement.php';
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb/Preparator.php';
-
- $this->query = $query;
- $this->dataset = $dataset;
- $this->sg = new SparqlEngineDb_SqlGenerator ($this->query, $this->dbConn, $this->arModelIds);
- $this->rc = new SparqlEngineDb_ResultConverter($this->query, $this->sg, $this);
- $this->ts = new SparqlEngineDb_TypeSorter ($this->query, $this->dbConn);
- $this->pr = new SparqlEngineDb_Preparator ($this->query, $this->dbConn);
-
- $this->arPrepared = $this->sg->createSql();
- $this->ts->setData($this->sg);
-
- if ($this->ts->willBeDataDependent()) {
- $this->bRealPrepared = false;
- } else {
- $this->bRealPrepared = true;
- list($strSelect, $strFrom, $strWhere) = $this->arPrepared;
- $this->arPreparedQueries = $this->ts->getOrderifiedSqls(
- $strSelect,
- $strFrom,
- $strWhere
- );
- $this->arDbStatements = $this->pr->prepareInDb(
- $this->arPreparedQueries,
- $this->sg->getPlaceholders()
- );
- }
-
-
- return new SparqlEngineDb_PreparedStatement(
- $this
- );
- }//public function prepare(Dataset $dataset, Query $query)
-
-
-
- /**
- * Execute a prepared statement by filling it with variables
- *
- * @param array $arVariables Array with (variable name => value) pairs
- * @param string $resultform Which form the result should have
- *
- * @return mixed Result according to $resultform
- */
- public function execute($arVariables, $resultform = false)
- {
- if ($this->arPrepared === null) {
- throw new Exception('You need to prepare() the query first.');
- }
-
- if ($this->bRealPrepared) {
- return
- SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->pr->execute(
- $this->arDbStatements,
- $arVariables
- ),
- $this,
- $resultform
- );
- } else {
- list($strSelect, $strFrom, $strWhere) = $this->arPrepared;
-
- return SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->queryMultiple(
- $this->ts->getOrderifiedSqls(
- $strSelect,
- $strFrom,
- $this->pr->replacePlaceholdersWithVariables(
- $strWhere,
- $this->sg->getPlaceholders(),
- $arVariables
- )
- )
- ),
- $this,
- $resultform
- );
- }
- }//public function execute($arVariables, $resultform)
-
-
-
- /**
- * Executes multiple SQL queries and returns an array
- * of results.
- *
- * @param array $arSqls Array of SQL queries
- * @return array Array of query results
- */
- protected function queryMultiple($arSqls)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['limit'] === null && $arSM['offset'] === null) {
- $nOffset = 0;
- $nLimit = null;
- $nSql = 0;
- } else {
- $offsetter = new SparqlEngineDb_Offsetter($this->dbConn, $this->query);
- list($nSql, $nOffset) = $offsetter->determineOffset($arSqls);
- $nLimit = $arSM['limit'];
- }
-
- $nCount = 0;
- $arResults = array();
- foreach ($arSqls as $nId => $arSql) {
- if ($nId < $nSql) { continue; }
-
- if ($nLimit != null) {
- $nCurrentLimit = $nLimit - $nCount;
- } else {
- $nCurrentLimit = null;
- }
-
- $dbResult = $this->queryDb($arSql, $nOffset, $nCurrentLimit);
- $nCount += $dbResult->RowCount();
- $arResults[] = $dbResult;
- $nOffset = 0;
- if ($nLimit !== null && $nCount >= $nLimit) {
- break;
- }
- }
-
- return $arResults;
- //return array_map(array($this, 'queryDb'), $arSql);
- }//protected function queryMultiple($arSql)
-
-
-
- /**
- * Sends the sql to the database and returns the results.
- *
- * @internal Switches between ADOConnection::Execute() and
- * ADOConnection::SelectLimit() depending on the $query parameter's
- * $solutionModifier "limit" and "offset" settings.
- * Uses $query variable.
- *
- * @param array $arSql Array that gets a SQL query string once imploded
- *
- * @return mixed Anything ADOConnection::Execute() may return
- * @throws Exception If Database query does not work
- */
- function queryDb($arSql, $nOffset, $nLimit)
- {
- $strSql = SparqlEngineDb_SqlMerger::getSelect($this->query, $arSql);
-
- if ($strSql == '()') {
- return new ADORecordSet(false);
- }
-
- // I want associative arrays.
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
-
- if (isset($GLOBALS['debugSparql']) && $GLOBALS['debugSparql']) {
- echo 'SQL query: ' . $strSql . "\n";
- }
-
- if ($nLimit === null && $nOffset == 0) {
- $ret = $this->dbConn->execute($strSql);
- } else if ($nLimit === null) {
- $ret = $this->dbConn->SelectLimit($strSql, -1, $nOffset);
- } else {
- $ret = $this->dbConn->SelectLimit($strSql, $nLimit, $nOffset);
- }
-
- //... but others maybe not
- $this->dbConn->SetFetchMode($oldmode);
-
- if (!$ret) {
- //Error occured
- throw new Exception(
- 'ADOdb error: ' . $this->dbConn->ErrorMsg() . "\n"
- . $strSql
- );
- }
-
- return $ret;
- }//function queryDb($sql)
-
-
-
- /**
- * Set options to subobjects like SqlGenerator
- */
- protected function setOptions()
- {
- //allow changing the statements' table name
- if (isset($GLOBALS['RAP']['conf']['database']['tblStatements'])) {
- $this->sg->setStatementsTable(
- $GLOBALS['RAP']['conf']['database']['tblStatements']
- );
- }
- }//protected function setOptions()
-
-
-
- /*
- * Dumb getters
- */
-
-
-
- public function getQuery()
- {
- return $this->query;
- }//public function getQuery()
-
-
-
- public function getSqlGenerator()
- {
- return $this->sg;
- }//public function getSqlGenerator()
-
-
-
- public function getTypeSorter()
- {
- return $this->ts;
- }//public function getTypeSorter()
-
-}//class SparqlEngineDb
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParser.php.svn-base
deleted file mode 100755
index ece547a8..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParser.php.svn-base
+++ /dev/null
@@ -1,1551 +0,0 @@
-
-* @author Christian Weiske
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlParser extends Object
-{
-
- /**
- * The query Object
- * @var Query
- */
- protected $query;
-
- /**
- * The Querystring
- * @var string
- */
- protected $queryString;
-
- /**
- * The tokenized Query
- * @var array
- */
- protected $tokens = array();
-
- /**
- * Last parsed graphPattern
- * @var int
- */
- protected $tmp;
-
- /**
- * Operators introduced by sparql
- * @var array
- */
- protected static $sops = array(
- 'regex',
- 'bound',
- 'isuri',
- 'isblank',
- 'isliteral',
- 'str',
- 'lang',
- 'datatype',
- 'langmatches'
- );
-
- /**
- * Which order operators are to be treated.
- * (11.3 Operator Mapping)
- * @var array
- */
- protected static $operatorPrecedence = array(
- '||' => 0,
- '&&' => 1,
- '=' => 2,
- '!=' => 3,
- '<' => 4,
- '>' => 5,
- '<=' => 6,
- '>=' => 7,
- '*' => 0,
- '/' => 0,
- '+' => 0,
- '-' => 0,
- );
-
-
-
- /**
- * Constructor of SparqlParser
- */
- public function SparqlParser()
- {
- }
-
-
-
- /**
- * Main function of SparqlParser. Parses a query string.
- *
- * @param String $queryString The SPARQL query
- * @return Query The query object
- * @throws SparqlParserException
- */
- public function parse($queryString = false)
- {
- $this->prepare();
-
- if ($queryString) {
- $this->query->setQueryString($queryString);
- $uncommentedQuery = $this->uncomment($queryString);
- $this->queryString = $uncommentedQuery;
- $this->tokens = self::tokenize($uncommentedQuery);
- $this->parseQuery();
- if (!$this->query->isComplete()) {
- throw new SparqlParserException(
- "Query is incomplete.",
- null,
- $queryString
- );
- }
- } else {
- throw new SparqlParserException(
- "Querystring is empty.",
- null,
- key($this->tokens)
- );
- $this->query->isEmpty = true;
- }
- return $this->query;
- }//public function parse($queryString = false)
-
-
-
- /**
- * Set all internal variables to a clear state
- * before we start parsing.
- */
- protected function prepare()
- {
- $this->query = new Query();
- $this->queryString = null;
- $this->tokens = array();
- $this->tmp = null;
- // add the default prefixes defined in constants.php
- global $default_prefixes;
- $this->query->prefixes = $default_prefixes;
- }//protected function prepare()
-
-
-
- /**
- * Tokenizes the query string into $tokens.
- * The query may not contain any comments.
- *
- * @param string $queryString Query to split into tokens
- *
- * @return array Tokens
- */
- public static function tokenize($queryString)
- {
- $queryString = trim($queryString);
- $specialChars = array(' ', "\t", "\r", "\n", ',', '\\', '(', ')','{','}','"',"'",';','[',']');
- $len = strlen($queryString);
- $tokens = array('');
- $n = 0;
-
- for ($i = 0; $i < $len; ++$i) {
- if (!in_array($queryString{$i}, $specialChars)) {
- $tokens[$n] .= $queryString{$i};
- } else {
- if ($tokens[$n] != '') {
- ++$n;
- if (!isset($tokens[$n])) {
- $tokens[$n] = '';
- }
- }
- if ($queryString{$i} == "'" && $n > 1
- && $tokens[$n - 2] == "'" && $tokens[$n - 1] == "'"
- ) {
- //special ''' quotation
- $tokens[$n - 2] = "'''";
- $tokens[$n - 1] = '';
- unset($tokens[$n]);
- --$n;
- continue;
- } else if ($queryString{$i} == '"' && $n > 1
- && $tokens[$n - 2] == '"' && $tokens[$n - 1] == '"'
- ) {
- //special """ quotation
- $tokens[$n - 2] = '"""';
- $tokens[$n - 1] = '';
- unset($tokens[$n]);
- --$n;
- continue;
- } else if ($queryString{$i} == '\\') {
- $tokens[$n] .= substr($queryString, $i, 2);
- ++$i;
- continue;
- }
- $tokens[$n] = $queryString{$i};
- $tokens[++$n] = '';
- }
- }
-//var_dump($tokens);
- return $tokens;
- }//public static function tokenize($queryString)
-
-
-
- /**
- * Removes comments in the query string. Comments are
- * indicated by '#'.
- *
- * @param String $queryString
- * @return String The uncommented query string
- */
- protected function uncomment($queryString)
- {
- $regex ="/((\"[^\"]*\")|(\'[^\']*\')|(\<[^\>]*\>))|(#.*)/";
- return preg_replace($regex,'\1',$queryString);
- }//protected function uncomment($queryString)
-
-
-
- /**
- * Starts parsing the tokenized SPARQL Query.
- *
- * @return void
- */
- protected function parseQuery()
- {
- do {
- switch (strtolower(current($this->tokens))) {
- case "base":
- $this->parseBase();
- break;
- case "prefix":
- $this->parsePrefix();
- break;
- case "select":
- $this->parseSelect();
- break;
- case "describe":
- $this->parseDescribe();
- break;
- case "ask":
- $this->parseAsk('ask');
- break;
- case "count":
- $this->parseAsk('count');
- break;
- case "from":
- $this->parseFrom();
- break;
- case "construct":
- $this->parseConstruct();
- break;
- case "where":
- $this->parseWhere();
- $this->parseModifier();
- break;
- case "{":
- prev($this->tokens);
- $this->parseWhere();
- $this->parseModifier();
- break;
- }
- } while (next($this->tokens));
-
- }//protected function parseQuery()
-
-
-
- /**
- * Parses the BASE part of the query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseBase()
- {
- $this->_fastForward();
- if ($this->iriCheck(current($this->tokens))) {
- $this->query->setBase(current($this->tokens));
- } else {
- $msg = current($this->tokens);
- $msg = preg_replace('/tokens)
- );
- }
- }
-
-
-
- /**
- * Adds a new namespace prefix to the query object.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parsePrefix()
- {
- $this->_fastForward();
- $prefix = substr(current($this->tokens), 0, -1);
- $this->_fastForward();
- if ($this->iriCheck(current($this->tokens))) {
- $uri = substr(current($this->tokens), 1, -1);
- $this->query->addPrefix($prefix, $uri);
- } else {
- $msg = current($this->tokens);
- $msg = preg_replace('/tokens)
- );
- }
- }
-
-
-
- /**
- * Parses the SELECT part of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseSelect()
- {
- $this->_fastForward();
- $curLow = strtolower(current($this->tokens));
- prev($this->tokens);
- if ($curLow == 'distinct') {
- $this->query->setResultForm('select distinct');
- } else {
- $this->query->setResultForm('select');
- }
-
- $currentVar = null;
- $currentFunc = null;
- $bWaitForRenaming = false;
- while ($curLow != 'from' && $curLow != 'where' &&
- $curLow != "{"
- ){
- $this->_fastForward();
- $curTok = current($this->tokens);
- $curLow = strtolower($curTok);
-
- if ($this->varCheck($curTok) || $curLow == '*') {
- if ($bWaitForRenaming) {
- $bWaitForRenaming = false;
- $currentVar->setAlias($curTok);
- if ($currentFunc != null) {
- $currentVar->setFunc($currentFunc);
- }
- $this->query->addResultVar($currentVar);
- $currentVar = null;
- } else {
- if ($currentVar != null) {
- $this->query->addResultVar($currentVar);
- $currentVar = null;
- }
- $currentVar = new Query_ResultVariable($curTok);
- if ($currentFunc != null) {
- $currentVar->setFunc($currentFunc);
- }
- }
- $currentFunc = null;
- } else if ($curLow == 'as') {
- if ($currentVar === null) {
- throw new SparqlParserException(
- 'AS requires a variable left and right',
- null,
- key($this->tokens)
- );
- }
- $bWaitForRenaming = true;
- } else if (in_array($curLow, self::$sops)) {
- $currentFunc = $curLow;
- }
-
- if (!current($this->tokens)) {
- throw new SparqlParserException(
- "Unexpected end of File.",
- null,
- key($this->tokens)
- );
- }
- }
-
- if ($currentVar != null) {
- $this->query->addResultVar($currentVar);
- }
- prev($this->tokens);
-
- if (count($this->query->getResultVars()) == 0) {
- throw new SparqlParserException(
- "Variable or '*' expected.",
- null,
- key($this->tokens)
- );
- }
- }//protected function parseSelect()
-
-
- /**
- * Adds a new variable to the query and sets result form to 'DESCRIBE'.
- *
- * @return void
- */
- protected function parseDescribe()
- {
- while(strtolower(current($this->tokens))!='from'& strtolower(current($this->tokens))!='where'){
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))|$this->iriCheck(current($this->tokens))){
- $this->query->addResultVar(current($this->tokens));
- if(!$this->query->getResultForm())
- $this->query->setResultForm('describe');
- }
- if(!current($this->tokens))
- break;
- }
- prev($this->tokens);
- }
-
- /**
- * Sets result form to 'ASK' and 'COUNT'.
- *
- * @param string $form if it's an ASK or COUNT query
- * @return void
- */
- protected function parseAsk($form){
- $this->query->setResultForm($form);
- $this->_fastForward();
- if(current($this->tokens)=="{")
- $this->_rewind();
- $this->parseWhere();
- $this->parseModifier();
- }
-
- /**
- * Parses the FROM clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseFrom(){
- $this->_fastForward();
- if(strtolower(current($this->tokens))!='named'){
- if($this->iriCheck(current($this->tokens))||$this->qnameCheck(current($this->tokens))){
- $this->query->addFrom(new Resource(substr(current($this->tokens),1,-1)));
- }else if($this->varCheck(current($this->tokens))){
- $this->query->addFrom(current($this->tokens));
- }else{
- throw new SparqlParserException("Variable, Iri or qname expected in FROM ",null,key($this->tokens));
- }
- $this->query->addFrom(current($this->tokens));
- }else{
- $this->_fastForward();
- if($this->iriCheck(current($this->tokens))||$this->qnameCheck(current($this->tokens))){
- $this->query->addFromNamed(new Resource(substr(current($this->tokens),1,-1)));
- }else if($this->varCheck(current($this->tokens))){
- $this->query->addFromNamed(current($this->tokens));
- }else{
- throw new SparqlParserException("Variable, Iri or qname expected in FROM NAMED ",null,key($this->tokens));
- }
- }
- }
-
-
- /**
- * Parses the CONSTRUCT clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseConstruct(){
- $this->_fastForward();
- $this->query->setResultForm('construct');
- if(current($this->tokens)=="{"){
- $this->parseGraphPattern(false,false,false,true);
- }else{
- throw new SparqlParserException("Unable to parse CONSTRUCT part. '{' expected. ",null,key($this->tokens));
- }
- $this->parseWhere();
- $this->parseModifier();
- }
-
-
- /**
- * Parses the WHERE clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseWhere(){
- $this->_fastForward();
- if(current($this->tokens)=="{"){
- $this->parseGraphPattern();
- }else{
- throw new SparqlParserException("Unable to parse WHERE part. '{' expected in Query. ",null,key($this->tokens));
- }
- }
-
-
-
- /**
- * Checks if $token is a variable.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is a variable false if not
- */
- protected function varCheck($token)
- {
- if (isset($token[0]) && ($token{0} == '$' || $token{0} == '?')) {
- $this->query->addUsedVar($token);
- return true;
- }
- return false;
- }
-
- /**
- * Checks if $token is an IRI.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is an IRI false if not
- */
- protected function iriCheck($token){
- $pattern="/^<[^>]*>\.?$/";
- if(preg_match($pattern,$token)>0)
- return true;
- return false;
- }
-
-
- /**
- * Checks if $token is a Blanknode.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is BNode false if not
- */
- protected function bNodeCheck($token){
- if($token{0} == "_")
- return true;
- else
- return false;
- }
-
-
- /**
- * Checks if $token is a qname.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is a qname false if not
- * @throws SparqlParserException
- */
- protected function qnameCheck($token)
- {
- $pattern="/^([^:^\<]*):([^:]*)$/";
- if (preg_match($pattern,$token,$hits)>0) {
- $prefs = $this->query->getPrefixes();
- if (isset($prefs{$hits{1}})) {
- return true;
- }
- if ($hits{1} == "_") {
- return true;
- }
- throw new SparqlParserException("Unbound Prefix: ".$hits{1}."",null,key($this->tokens));
- } else {
- return false;
- }
- }
-
-
-
- /**
- * Checks if $token is a Literal.
- *
- * @param string $token The token
- *
- * @return boolean TRUE if the token is a Literal false if not
- */
- protected function literalCheck($token)
- {
- $pattern = "/^[\"\'].*$/";
- if (preg_match($pattern,$token) > 0) {
- return true;
- }
- return false;
- }//protected function literalCheck($token)
-
-
-
- /**
- * FastForward until next token which is not blank.
- *
- * @return void
- */
- protected function _fastForward()
- {
- next($this->tokens);
- while(current($this->tokens)==" "|current($this->tokens)==chr(10)|current($this->tokens)==chr(13)|current($this->tokens)==chr(9)){
- next($this->tokens);
- }
- }//protected function _fastForward()
-
-
-
- /**
- * Rewind until next token which is not blank.
- *
- * @return void
- */
- protected function _rewind()
- {
- prev($this->tokens);
- while(current($this->tokens)==" "|current($this->tokens)==chr(10)|current($this->tokens)==chr(13)|current($this->tokens)==chr(9)){
- prev($this->tokens);
- }
- return;
- }//protected function _rewind()
-
-
-
- /**
- * Parses a graph pattern.
- *
- * @param int $optional Optional graph pattern
- * @param int $union Union graph pattern
- * @param string $graph Graphname
- * @param boolean $constr TRUE if the pattern is a construct pattern
- * @param boolean $external If the parsed pattern shall be returned
- * @param int $subpattern If the new pattern is subpattern of the
- * pattern with the given id
- * @return void
- */
- protected function parseGraphPattern(
- $optional = false, $union = false, $graph = false,
- $constr = false, $external = false, $subpattern = false
- ){
- $pattern = $this->query->getNewPattern($constr);
- if (is_int($optional)) {
- $pattern->setOptional($optional);
- } else {
- $this->tmp = $pattern->getId();
- }
- if (is_int($union)) {
- $pattern->setUnion($union);
- }
- if (is_int($subpattern)) {
- $pattern->setSubpatternOf($subpattern);
- }
- if ($graph != false) {
- $pattern->setGraphname($graph);
- }
-
- $this->_fastForward();
-
- do {
- switch (strtolower(current($this->tokens))) {
- case "graph":
- $this->parseGraph();
- break;
- case "union":
- $this->_fastForward();
- $this->parseGraphPattern(
- false, $this->tmp, false, false, false, $subpattern
- );
- break;
- case "optional":
- $this->_fastForward();
- $this->parseGraphPattern(
- $this->tmp, false, false, false, false, $subpattern
- );
- break;
- case "filter":
- $this->parseConstraint(
- $pattern, true, false, false, false, $subpattern
- );
- $this->_fastForward();
- break;
- case ".":
- $this->_fastForward();
- break;
- case "{":
- if (!is_int($subpattern)) {
- $subpattern = $pattern->getId();
- }
-
- $this->parseGraphPattern(
- false, false, false, false, false, $subpattern
- );
- break;
- case "}":
- $pattern->open = false;
- break;
- default:
- $this->parseTriplePattern($pattern);
- break;
- }
- } while ($pattern->open);
-
- if ($external) {
- return $pattern;
- }
- $this->_fastForward();
- }
-
- /**
- * Parses a triple pattern.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- protected function parseTriplePattern(&$pattern)
- {
- $trp = array();
- $prev = false;
- $prevPred = false;
- $cont = true;
- $sub = "";
- $pre = "";
- $tmp = "";
- $tmpPred = "";
- $obj = "";
- do {
-//echo strtolower(current($this->tokens)) . "\n";
- switch (strtolower(current($this->tokens))) {
- case false:
- $cont = false;
- $pattern->open = false;
- break;
- case "filter":
- $this->parseConstraint($pattern,false);
- $this->_fastForward();
- break;
- case "optional":
- $this->_fastForward();
- $this->parseGraphPattern($pattern->getId(),false);
- $cont = false;
- break;
- case "union":
- $this->_fastForward();
- $this->parseGraphPattern(
- false, $this->tmp, false, false, false, $pattern->getId()
- );
- break;
- case ";":
- $prev = true;
- $this->_fastForward();
- break;
- case ".":
- $prev = false;
- $this->_fastForward();
- break;
- case "graph":
- $this->parseGraph();
- break;
- case ",":
- $prev = true;
- $prevPred = true;
- $this->_fastForward();
- break;
- case "}":
- $prev = false;
- $pattern->open = false;
- $cont = false;
- break;
- case '{':
- //subpatterns opens
- $this->parseGraphPattern(
- false, false, false, false, false, $pattern->getId()
- );
- break;
- case "[":
- $prev = true;
- $tmp = $this->parseNode($this->query->getBlanknodeLabel());
- $this->_fastForward();
- break;
- case "]":
- $prev = true;
- $this->_fastForward();
- break;
- case "(":
- $prev = true;
- $tmp = $this->parseCollection($trp);
- $this->_fastForward();
- break;
- case false:
- $cont = false;
- $pattern->open = false;
- break;
- default:
- if ($prev) {
- $sub = $tmp;
- } else {
- $sub = $this->parseNode();
- $this->_fastForward();
- $tmp = $sub;
- }
- if ($prevPred) {
- $pre = $tmpPred;
- } else {
- $pre = $this->parseNode();
- $this->_fastForward();
- $tmpPred = $pre;
- }
- if (current($this->tokens)=="[") {
- $tmp = $this->parseNode($this->query->getBlanknodeLabel());
- $prev = true;
- $obj = $tmp;
- } else if (current($this->tokens)=="(") {
- $obj = $this->parseCollection($trp);
- } else {
- $obj = $this->parseNode();
- }
- $trp[] = new QueryTriple($sub,$pre,$obj);
- $this->_fastForward();
- break;
-
- }
- } while ($cont);
-
- if (count($trp) > 0) {
- $pattern->addTriplePatterns($trp);
- }
- }
-
-
-
- /**
- * Parses a value constraint.
- *
- * @param GraphPattern $pattern
- * @param boolean $outer If the constraint is an outer one.
- * @return void
- */
- protected function parseConstraint(&$pattern, $outer)
- {
- $constraint = new Constraint();
- $constraint->setOuterFilter($outer);
- $this->_fastForward();
- $this->_rewind();
- $nBeginKey = key($this->tokens);
- $constraint->setTree(
- $t = $this->parseConstraintTree()
- );
-
- $nEndKey = key($this->tokens);
- if (current($this->tokens) == '}') {
- prev($this->tokens);
- }
-
- //for backwards compatibility with the normal sparql engine
- // which does not use the tree array currently
- $expression = trim(implode(
- '',
- array_slice(
- $this->tokens,
- $nBeginKey + 1,
- $nEndKey - $nBeginKey - 1
- )
- ));
- if ($expression[0] == '(' && substr($expression, -1) == ')') {
- $expression = trim(substr($expression, 1, -1));
- }
- $constraint->addExpression($expression);
-
- $pattern->addConstraint($constraint);
- }//protected function parseConstraint(&$pattern, $outer)
-
-
-
- /**
- * Parses a constraint string recursively.
- *
- * The result array is one "element" which may contain subelements.
- * All elements have one key "type" that determines which other
- * array keys the element array has. Valid types are:
- * - "value":
- * Just a plain value with a value key, nothing else
- * - "function"
- * A function has a name and an array of parameter(s). Each parameter
- * is an element.
- * - "equation"
- * An equation has an operator, and operand1 and operand2 which
- * are elements themselves
- * Any element may have the "negated" value set to true, which means
- * that is is - negated (!).
- *
- * @internal The functionality of this method is being unit-tested
- * in testSparqlParserTests::testParseFilter()
- * "equation'-elements have another key "level" which is to be used
- * internally only.
- *
- * @return array Nested tree array representing the filter
- */
- protected function parseConstraintTree($nLevel = 0, $bParameter = false)
- {
- $tree = array();
- $part = array();
- $chQuotes = null;
- $litQuotes = null;
- $strQuoted = '';
-
- while ($tok = next($this->tokens)) {
-//var_dump(array($tok, $tok[strlen($tok) - 1]));
- if ($chQuotes !== null && $tok != $chQuotes) {
- $strQuoted .= $tok;
- continue;
- } else if ($litQuotes !== null) {
- $strQuoted .= $tok;
- if ($tok[strlen($tok) - 1] == '>') {
- $tok = '>';
- } else {
- continue;
- }
- } else if ($tok == ')' || $tok == '}' || $tok == '.') {
- break;
- }
-
- switch ($tok) {
- case '"':
- case '\'':
- if ($chQuotes === null) {
- $chQuotes = $tok;
- $strQuoted = '';
- } else {
- $chQuotes = null;
- $part[] = array(
- 'type' => 'value',
- 'value' => $strQuoted,
- 'quoted'=> true
- );
- }
- continue 2;
- break;
-
- case '>':
- $litQuotes = null;
- $part[] = array(
- 'type' => 'value',
- 'value' => $strQuoted,
- 'quoted'=> false
- );
- continue 2;
- break;
-
- case '(':
- $bFunc1 = isset($part[0]['type']) && $part[0]['type'] == 'value';
- $bFunc2 = isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand2']) && isset($tree['operand2']['value']);
- $part[] = $this->parseConstraintTree(
- $nLevel + 1,
- $bFunc1 || $bFunc2
- );
-
- if ($bFunc1) {
- $tree['type'] = 'function';
- $tree['name'] = $part[0]['value'];
- self::fixNegationInFuncName($tree);
- if (isset($part[1]['type'])) {
- $part[1] = array($part[1]);
- }
- $tree['parameter'] = $part[1];
- $part = array();
- } else if ($bFunc2) {
- $tree['operand2']['type'] = 'function';
- $tree['operand2']['name'] = $tree['operand2']['value'];
- self::fixNegationInFuncName($tree['operand2']);
- $tree['operand2']['parameter'] = $part[0];
- unset($tree['operand2']['value']);
- unset($tree['operand2']['quoted']);
- $part = array();
- }
- continue 2;
- break;
-
- case ' ':
- case "\t":
- continue 2;
-
- case '=':
- case '>':
- case '<':
- case '<=':
- case '>=':
- case '!=':
- case '&&':
- case '||':
- if (isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand2'])) {
- //previous equation open
- $part = array($tree);
- } else if (isset($tree['type']) && $tree['type'] != 'equation') {
- $part = array($tree);
- $tree = array();
- }
- $tree['type'] = 'equation';
- $tree['level'] = $nLevel;
- $tree['operator'] = $tok;
- $tree['operand1'] = $part[0];
- unset($tree['operand2']);
- $part = array();
- continue 2;
- break;
-
- case '!':
- if ($tree != array()) {
- throw new SparqlParserException(
- 'Unexpected "!" negation in constraint.'
- );
- }
- $tree['negated'] = true;
- continue 2;
-
- case ',':
- //parameter separator
- if (count($part) == 0 && !isset($tree['type'])) {
- throw new SparqlParserException(
- 'Unexpected comma'
- );
- }
- $bParameter = true;
- if (count($part) == 0) {
- $part[] = $tree;
- $tree = array();
- }
- continue 2;
-
- default:
- break;
- }
-
- if ($this->varCheck($tok)) {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- } else if (substr($tok, 0, 2) == '^^') {
- $part[count($part) - 1]['datatype']
- = $this->query->getFullUri(substr($tok, 2));
- } else if ($tok[0] == '@') {
- $part[count($part) - 1]['language'] = substr($tok, 1);
- } else if ($tok[0] == '<') {
- if ($tok[strlen($tok) - 1] == '>') {
- //single-tokenized <> uris
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- } else {
- //iris split over several tokens
- $strQuoted = $tok;
- $litQuotes = true;
- }
- } else if ($tok == 'true' || $tok == 'false') {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false,
- 'datatype' => 'http://www.w3.org/2001/XMLSchema#boolean'
- );
- } else {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- }
-
- if (isset($tree['type']) && $tree['type'] == 'equation' && isset($part[0])) {
- $tree['operand2'] = $part[0];
- self::balanceTree($tree);
- $part = array();
- }
- }
-
- if (!isset($tree['type']) && $bParameter) {
- return $part;
- } else if (isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand1']) && !isset($tree['operand2'])
- && isset($part[0])) {
- $tree['operand2'] = $part[0];
- self::balanceTree($tree);
- }
-
- if (!isset($tree['type']) && isset($part[0])) {
- if (isset($tree['negated'])) {
- $part[0]['negated'] = true;
- }
- return $part[0];
- }
-
- return $tree;
- }//protected function parseConstraintTree($nLevel = 0, $bParameter = false)
-
-
-
- /**
- * "Balances" the filter tree in the way that operators on the same
- * level are nested according to their precedence defined in
- * $operatorPrecedence array.
- *
- * @param array $tree Tree to be modified
- */
- protected static function balanceTree(&$tree)
- {
- if (
- isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand1']['type']) && $tree['operand1']['type'] == 'equation'
- && $tree['level'] == $tree['operand1']['level']
- && self::$operatorPrecedence[$tree['operator']] > self::$operatorPrecedence[$tree['operand1']['operator']]
- ) {
- $op2 = array(
- 'type' => 'equation',
- 'level' => $tree['level'],
- 'operator' => $tree['operator'],
- 'operand1' => $tree['operand1']['operand2'],
- 'operand2' => $tree['operand2']
- );
- $tree['operator'] = $tree['operand1']['operator'];
- $tree['operand1'] = $tree['operand1']['operand1'];
- $tree['operand2'] = $op2;
- }
- }//protected static function balanceTree(&$tree)
-
-
-
- protected static function fixNegationInFuncName(&$tree)
- {
- if ($tree['type'] == 'function' && $tree['name'][0] == '!') {
- $tree['name'] = substr($tree['name'], 1);
- if (!isset($tree['negated'])) {
- $tree['negated'] = true;
- } else {
- unset($tree['negated']);
- }
- //perhaps more !!
- self::fixNegationInFuncName($tree);
- }
- }//protected static function fixNegationInFuncName(&$tree)
-
-
-
- /**
- * Parses a bracketted expression.
- *
- * @param Constraint $constraint
- * @return void
- * @throws SparqlParserException
- */
- protected function parseBrackettedExpression(&$constraint)
- {
- $open = 1;
- $exp = "";
- $this->_fastForward();
- while ($open != 0 && current($this->tokens)!= false) {
- switch (current($this->tokens)) {
- case "(":
- $open++;
- $exp = $exp . current($this->tokens);
- break;
- case ")":
- $open--;
- if($open != 0){
- $exp = $exp . current($this->tokens);
- }
- break;
- case false:
- throw new SparqlParserException(
- "Unexpected end of query.",
- null,
- key($this->tokens)
- );
- default:
- $exp = $exp . current($this->tokens);
- break;
- }
- next($this->tokens);
- }
- $constraint->addExpression($exp);
- }
-
-
- /**
- * Parses an expression.
- *
- * @param Constraint $constrain
- * @return void
- * @throws SparqlParserException
- */
- protected function parseExpression(&$constraint)
- {
- $exp = "";
- while (current($this->tokens) != false && current($this->tokens) != "}") {
- switch (current($this->tokens)) {
- case false:
- throw new SparqlParserException(
- "Unexpected end of query.",
- null,
- key($this->tokens)
- );
- case ".":
- break;
- break;
- default:
- $exp = $exp . current($this->tokens);
- break;
- }
- next($this->tokens);
- }
- $constraint->addExpression($exp);
- }
-
- /**
- * Parses a GRAPH clause.
- *
- * @param GraphPattern $pattern
- * @return void
- * @throws SparqlParserException
- */
- protected function parseGraph(){
- $this->_fastForward();
- $name = current($this->tokens);
- if(!$this->varCheck($name)&!$this->iriCheck($name)&&!$this->qnameCheck($name)){
- $msg = $name;
- $msg = preg_replace('/tokens));
- }
- $this->_fastForward();
-
- if($this->iriCheck($name)){
- $name = new Resource(substr($name,1,-1));
- }else if($this->qnameCheck($name)){
- $name = new Resource($this->query->getFullUri($name));
- }
- $this->parseGraphPattern(false,false,$name);
- if(current($this->tokens)=='.')
- $this->_fastForward();
- }
-
- /**
- * Parses the solution modifiers of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseModifier(){
- do{
- switch(strtolower(current($this->tokens))){
- case "order":
- $this->_fastForward();
- if(strtolower(current($this->tokens))=='by'){
- $this->_fastForward();
- $this->parseOrderCondition();
- }else{
- throw new SparqlParserException("'BY' expected.",null,key($this->tokens));
- }
- break;
- case "limit":
- $this->_fastForward();
- $val = current($this->tokens);
- $this->query->setSolutionModifier('limit',$val);
- break;
- case "offset":
- $this->_fastForward();
- $val = current($this->tokens);
- $this->query->setSolutionModifier('offset',$val);
- break;
- default:
- break;
- }
- }while(next($this->tokens));
- }
-
- /**
- * Parses order conditions of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseOrderCondition(){
- $valList = array();
- $val = array();
- while(strtolower(current($this->tokens))!='limit'
- & strtolower(current($this->tokens))!= false
- & strtolower(current($this->tokens))!= 'offset'){
- switch (strtolower(current($this->tokens))){
- case "desc":
- $this->_fastForward();
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- if(current($this->tokens)!=')')
- throw new SparqlParserException("missing ')' in ORDER BY clause.",null,key($this->tokens));
- $val['type'] = 'desc';
- $this->_fastForward();
- break;
- case "asc" :
- $this->_fastForward();
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- if(current($this->tokens)!=')')
- throw new SparqlParserException("missing ')' in ORDER BY clause.",null,key($this->tokens));
- $val['type'] = 'asc';
- $this->_fastForward();
- break;
- default:
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- $val['type'] = 'asc';
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- break;
- }
- $valList[] = $val;
- }
- prev($this->tokens);
- $this->query->setSolutionModifier('order by',$valList);
- }
-
- /**
- * Parses a String to an RDF node.
- *
- * @param String $node
- *
- * @return Node The parsed RDF node
- * @throws SparqlParserException
- */
- protected function parseNode($node = false)
- {
- //$eon = false;
- if ($node) {
- $node = $node;
- } else {
- $node = current($this->tokens);
- }
- if ($node{strlen($node)-1} == '.') {
- $node = substr($node,0,-1);
- }
- if ($this->dtypeCheck($node)) {
- return $node;
- }
- if ($this->bNodeCheck($node)) {
- $node = '?'.$node;
- $this->query->addUsedVar($node);
- return $node;
- }
- if ($node == '[') {
- $node = '?' . substr($this->query->getBlanknodeLabel(), 1);
- $this->query->addUsedVar($node);
- $this->_fastForward();
- if(current($this->tokens)!=']') {
- prev($this->tokens);
- }
- return $node;
- }
- if ($this->iriCheck($node)){
- $base = $this->query->getBase();
- if ($base!=null) {
- $node = new Resource(substr(substr($base,0,-1).substr($node,1),1,-1));
- } else {
- $node = new Resource(substr($node,1,-1));
- }
- return $node;
- } else if ($this->qnameCheck($node)) {
- $node = $this->query->getFullUri($node);
- $node = new Resource($node);
- return $node;
- } else if ($this->literalCheck($node)) {
- $ch = substr($node, 0, 1);
- $chLong = str_repeat($ch, 3);
- if (substr($node, 0, 3) == $chLong) {
- $ch = $chLong;
- }
- $this->parseLiteral($node, $ch);
- } else if ($this->varCheck($node)) {
- $pos = strpos($node,'.');
- if ($pos) {
- return substr($node,0,$pos);
- } else {
- return $node;
- }
- } else if ($node[0] == '<') {
- //partial IRI? loop tokens until we find a closing >
- while (next($this->tokens)) {
- $node .= current($this->tokens);
- if (substr($node, -1) == '>') {
- break;
- }
- }
- if (substr($node, -1) != '>') {
- throw new SparqlParserException(
- "Unclosed IRI: " . $node,
- null,
- key($this->tokens)
- );
- }
- return $this->parseNode($node);
- } else {
- throw new SparqlParserException(
- '"' . $node . '" is neither a valid rdf- node nor a variable.',
- null,
- key($this->tokens)
- );
- }
- return $node;
- }//protected function parseNode($node = false)
-
-
-
- /**
- * Checks if there is a datatype given and appends it to the node.
- *
- * @param string $node Node to check
- *
- * @return void
- */
- protected function checkDtypeLang(&$node, $nSubstrLength = 1)
- {
- $this->_fastForward();
- switch (substr(current($this->tokens), 0, 1)) {
- case '^':
- if (substr(current($this->tokens),0,2)=='^^') {
- $node = new Literal(substr($node,1,-1));
- $node->setDatatype(
- $this->query->getFullUri(
- substr(current($this->tokens), 2)
- )
- );
- }
- break;
- case '@':
- $node = new Literal(
- substr($node, $nSubstrLength, -$nSubstrLength),
- substr(current($this->tokens), $nSubstrLength)
- );
- break;
- default:
- prev($this->tokens);
- $node = new Literal(substr($node, $nSubstrLength, -$nSubstrLength));
- break;
-
- }
- }//protected function checkDtypeLang(&$node, $nSubstrLength = 1)
-
-
-
- /**
- * Parses a literal.
- *
- * @param String $node
- * @param String $sep used separator " or '
- *
- * @return void
- */
- protected function parseLiteral(&$node, $sep)
- {
- do {
- next($this->tokens);
- $node = $node.current($this->tokens);
- } while (current($this->tokens) != $sep);
- $this->checkDtypeLang($node, strlen($sep));
- }//protected function parseLiteral(&$node, $sep)
-
-
-
- /**
- * Checks if the Node is a typed Literal.
- *
- * @param String $node
- *
- * @return boolean TRUE if typed FALSE if not
- */
- protected function dtypeCheck(&$node)
- {
- $patternInt = "/^-?[0-9]+$/";
- $match = preg_match($patternInt,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'integer');
- return true;
- }
- $patternBool = "/^(true|false)$/";
- $match = preg_match($patternBool,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'boolean');
- return true;
- }
- $patternType = "/^a$/";
- $match = preg_match($patternType,$node,$hits);
- if($match>0){
- $node = new Resource(RDF_NAMESPACE_URI.'type');
- return true;
- }
- $patternDouble = "/^-?[0-9]+.[0-9]+[e|E]?-?[0-9]*/";
- $match = preg_match($patternDouble,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'double');
- return true;
- }
- return false;
- }//protected function dtypeCheck(&$node)
-
-
-
- /**
- * Parses an RDF collection.
- *
- * @param TriplePattern $trp
- *
- * @return Node The first parsed label
- */
- protected function parseCollection(&$trp)
- {
- $tmpLabel = $this->query->getBlanknodeLabel();
- $firstLabel = $this->parseNode($tmpLabel);
- $this->_fastForward();
- $i = 0;
- while (current($this->tokens)!=")") {
- if($i>0)
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"),$this->parseNode($tmpLabel = $this->query->getBlanknodeLabel()));
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#first"),$this->parseNode());
- $this->_fastForward();
- $i++;
- }
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"));
- return $firstLabel;
- }//protected function parseCollection(&$trp)
-
-}// end class: SparqlParser.php
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParserException.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParserException.php.svn-base
deleted file mode 100755
index 2a62734f..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlParserException.php.svn-base
+++ /dev/null
@@ -1,33 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-Class SparqlParserException extends Exception{
-
- private $tokenPointer;
-
- public function __construct($message, $code = 0, $pointer){
-
- $this->tokenPointer = $pointer;
- parent::__construct($message, $code);
- }
-
- /**
- * Returns a pointer to the token which caused the exception.
- * @return int
- */
- public function getPointer(){
- return $this->tokenPointer;
- }
-
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlVariable.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlVariable.php.svn-base
deleted file mode 100755
index 5db6e665..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/.svn/text-base/SparqlVariable.php.svn-base
+++ /dev/null
@@ -1,40 +0,0 @@
-name = $name;
- }
-
-
-
- public function __toString()
- {
- return $this->name;
- }
-
-
-
- /**
- * Checks if the given subject/predicate/object
- * is a variable name.
- *
- * @return boolean
- */
- public static function isVariable($bject)
- {
- return is_string($bject) && strlen($bject) >= 2
- && ($bject[0] == '?' || $bject[0] == '$');
- }//public static function isVariable($bject)
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/ClientQuery.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/ClientQuery.php
deleted file mode 100755
index 511bb22c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/ClientQuery.php
+++ /dev/null
@@ -1,56 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class ClientQuery extends Object {
-
- var $default = array();
- var $named = array();
- var $prefixes = array();
- var $query;
-
- /**
- * Adds a default graph to the query object.
- *
- * @param String $default default graph name
- */
- function addDefaultGraph($default){
- if(!in_array($this->named,$this->default))
- $this->default[] = $default;
- }
- /**
- * Adds a named graph to the query object.
- *
- * @param String $default named graph name
- */
- function addNamedGraph($named){
- if(!in_array($named,$this->named))
- $this->named[] = $named;
- }
- /**
- * Adds the SPARQL query string to the query object.
- *
- * @param String $query the query string
- */
- function query($query){
- $this->query = $query;
- }
-
-}
-
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Constraint.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Constraint.php
deleted file mode 100755
index 383446e8..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Constraint.php
+++ /dev/null
@@ -1,95 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-Class Constraint extends Object{
-
- /**
- * The expression string.
- * @var string
- */
- protected $expression;
-
- /**
- * True if it is an outer filter, false if not.
- * @var boolean
- */
- protected $outer;
-
- /**
- * The expression tree
- * @var array
- */
- protected $tree = null;
-
- /**
- * Adds an expression string.
- *
- * @param String $exp the expression String
- * @return void
- */
- public function addExpression($exp)
- {
- $this->expression = $exp;
- }
-
- /**
- * Returns the expression string.
- *
- * @return String the expression String
- */
- public function getExpression()
- {
- return $this->expression;
- }
-
-
- /**
- * Sets the filter type to outer or inner filter.
- * True for outer false for inner.
- *
- * @param boolean $boolean
- * @return void
- */
- public function setOuterFilter($boolean)
- {
- $this->outer = $boolean;
- }
-
- /**
- * Returns true if this constraint is an outer filter- false if not.
- *
- * @return boolean
- */
- public function isOuterFilter()
- {
- return $this->outer;
- }
-
-
- public function getTree()
- {
- return $this->tree;
- }//public function getTree()
-
- public function setTree($tree)
- {
- $this->tree = $tree;
- }//public function setTree($tree)
-
-}
-// end class: Constraint.php
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/FilterFunctions.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/FilterFunctions.php
deleted file mode 100755
index 8c243c43..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/FilterFunctions.php
+++ /dev/null
@@ -1,137 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-*/
-
-
-
-
-/**
-* Evaluates the regex() function. Returns true if the regex is matched false if not.
-*
-* @param String $string the string which has to be evaluated
-* @param String $pattern the regex pattern
-* @param String $flags additional flags like "i"
-* @return boolean
-*/
-function regex($string,$pattern,$flags = ''){
- $string = trim($string);
- $pattern = trim($pattern);
- if(strpos($string,"str_")===0){
- $string = substr($string,4);
- $pattern = substr($pattern,4);
- $flags = substr($flags,4);
- }else{
- return false;
- }
- if(preg_match('/'.$pattern.'/'.$flags,$string))
- return true;
- else
- return false;
-}
-
-/**
-* Evaluates the dateTime() function.Tries to convert a date string into
-* a unix timestamp.
-*
-* @param String $string the date string
-* @return integer the corresponding unix timestamp
-*/
-function dateTime($string){
- $string = trim($string);
- if(strpos($string,"str_")===0)
- $string = substr($string,4);
-
- $time = strtotime($string);
- if($time == -1)
- return $string;
- else
- return $time;
-}
-
-
-/**
-* Evaluates the langMatches() function. Return true if the lang tag matches false if not.
-*
-* @param String $lang_range the string.
-* @param String $lang_tag the regex pattern
-* @return boolean
-*/
-function langMatches($lang_range,$lang_tag){
-
- if($lang_range == null)
- return false;
-
- if(strpos($lang_range,"str_")===0)
- $lang_range = substr($lang_range,4);
- if(strpos($lang_tag,"str_")===0)
- $lang_tag = substr($lang_tag,4);
-
- if(strtolower($lang_range) == strtolower($lang_tag))
- return true;
- $tags = preg_match_all("/[^\-\s].[^\-\s]*/",$lang_range,$hits);
- if($tags){
- if($lang_tag == '*')
- return true;
- foreach($hits[0] as $tag){
- if(strtolower($tag) == strtolower($lang_tag))
- return true;
- }
- return false;
- }else{
- return false;
- }
-}
-
-/**
-* Evaluates the str() function. Returns the string representation of a
-* variable or RDF term.
-*
-* @param String $string the string
-* @return boolean
-*/
-function str($string){
- $str = preg_match("/\".[^\"]*\"|\'.[^\']*\'/",$string,$hits);
- if($str != 0){
- return "str_".$hits[0];
- }else{
- if(strpos($string,"str_")===0){
- return $string;
- }else{
- if(strpos($string,"uri_")===0)
- return "str_".substr($string,4);
- if(strpos($string,'<')==0)
- return "str_".substr($string,1,-1);
- }
- }
- return false;
-}
-
-/**
-* Evaluates the lang() function. Returns lang tag of a Literal.
-*
-* @param String $string the string.
-* @return String the lang tag or false if there is no language tag.
-*/
-function lang($string){
- $str = preg_match("/\".[^\"]*\"@(.[^\s]*)|\'.[^\']*\'@(.[^\s]*)/",$string,$hits);
- if($str){
- if($hits[1] != null)
- return $hits[1];
- else
- return $hits[2];
- }else{
- return false;
- }
-}
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/GraphPattern.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/GraphPattern.php
deleted file mode 100755
index f768687c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/GraphPattern.php
+++ /dev/null
@@ -1,295 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class GraphPattern extends Object{
-
- /**
- * Graphname. 0 if its in the default graph.
- */
- protected $graphname = null;
-
- /**
- * Array of QueryTriple objects
- * @var array
- */
- protected $triplePatterns = array();
-
- /**
- * A List of Constraint objects
- * @var array
- */
- protected $constraints = array();
-
- /**
- * @var int Pointer to optional pattern.
- */
- protected $optional = null;
-
- /**
- * @var int Pointer to union pattern.
- */
- protected $union = null;
-
- /**
- * ID of the pattern in the pattern list that
- * this pattern is subpattern of.
- * @var int
- */
- protected $subpatternOf = null;
-
- /**
- * @var boolean TRUE if the pattern is open- FALSE if closed.
- */
- public $open = false;
-
- /**
- * @var boolean TRUE if the GraphPattern is a construct pattern.
- */
- public $isConstructPattern = false;
-
-
- /**
- * @var int The GraphPatterns id.
- */
- public $patternId = null;
-
-
- /**
- * Constructor
- */
- public function GraphPattern() {
- $this->open = true;
- $this->isConstructPattern = false;
- $this->constraints = array();
- $this->triplePatterns = array();
- }
-
- /**
- * Returns the graphname.
- *
- * @return String
- */
- public function getGraphname(){
- return $this->graphname;
- }
-
- /**
- * Returns the triple pattern of the graph pattern.
- *
- * @return Array
- */
- public function getTriplePatterns(){
- return $this->triplePatterns;
- }
-
- /**
- * Returns a constraint if there is one false if not.
- *
- * @return Constraint
- */
- public function getConstraints() {
- return $this->constraints;
- }
-
- /**
- * Returns a pointer to an optional graph pattern.
- *
- * @return integer
- */
- public function getOptional() {
- return $this->optional;
- }
-
- /**
- * Returns a pointer to the parent pattern this pattern
- * is subpattern of.
- *
- * @return integer
- */
- public function getSubpatternOf() {
- return $this->subpatternOf;
- }
-
- /**
- * Returns a pointer to a union graph pattern.
- *
- * @return integer
- */
- public function getUnion() {
- return $this->union;
- }
-
- /**
- * Sets the graphname.
- *
- * @param String $name
- * @return void
- */
- public function setGraphname($name) {
- $this->graphname = $name;
- }
-
- /**
- * Adds List of QueryTriples to the GraphPattern.
- *
- * @param array $trpP
- * @return void
- */
- public function addTriplePatterns($trpP) {
- $this->triplePatterns = array_merge($this->triplePatterns, $trpP);
- }
-
- /**
- * Sets the List of QueryTriples to the GraphPattern.
- *
- * @param array $trpP
- * @return void
- */
- public function setTriplePatterns($trpP) {
- $this->triplePatterns = $trpP;
- }
-
- /**
- * Adds a single Constraint to the GraphPattern.
- *
- * @param Constraint $cons
- */
- public function addConstraint(&$cons) {
- $this->constraints[] = $cons;
- }
-
- /**
- * Adds an array of Constraint objects to the GraphPattern.
- *
- * @param array $cons
- */
- public function addConstraints(&$cons) {
- $this->constraints = array_merge($this->constraints, $cons);
- }
-
- /**
- * Adds a pointer to an optional graphPattern.
- *
- * @param integer $patternId
- * @return void
- */
- public function setOptional($patternId) {
- $this->optional = &$patternId;
- }
-
- /**
- * Adds a pointer to a union graphPattern.
- *
- * @param integer $patternId
- * @return void
- */
- public function setUnion($patternId) {
- $this->union = &$patternId;
- }
-
- /**
- * Adds a pointer to a pattern that
- * this one is subpattern of
- *
- * @param integer $patternId
- */
- public function setSubpatternOf($patternId) {
- $this->subpatternOf = $patternId;
- }
-
-
- /**
- * Sets the GraphPatterns Id.
- *
- * @param integer $id
- * @return void
- */
- public function setId($id){
- $this->patternId = $id;
- }
-
- /**
- * Returns the GraphPatterns id.
- *
- * @return integer
- */
- public function getId(){
- return $this->patternId;
- }
-
-
-
- /**
- * Returns an array of all variables used in this
- * graph pattern.
- * All variables are listed only once (unique).
- *
- * @return array Array of variable names
- */
- public function getVariables()
- {
- $arVars = array();
-
- foreach ($this->triplePatterns as $pattern) {
- $arVars = array_merge($arVars, $pattern->getVariables());
- }
-
- return array_unique($arVars);
- }//public function getVariables()
-
-
-
- /**
- * Checks if the graph pattern is empty (contains no
- * usable data).
- * Occurs when using "{}" without pre- or suffixes
- * WHERE
- * {
- * { ?person rdf:type foaf:Person } .
- * }
- *
- * @return boolean True if the pattern is empty.
- */
- public function isEmpty()
- {
- return
- count($this->triplePatterns) == 0
- && count($this->constraints) == 0
- && $this->getGraphname() === null
- ;
- }//public function isEmpty()
-
-
-
- /**
- * When cloning, we need to clone some subobjects, too
- */
- public function __clone()
- {
- if (count($this->triplePatterns) > 0) {
- foreach ($this->triplePatterns as $nId => $pattern) {
- $this->triplePatterns[$nId] = clone $this->triplePatterns[$nId];
- }
- }
- if (count($this->constraints) > 0) {
- foreach ($this->constraints as $nId => $constraint) {
- $this->constraints[$nId] = clone $this->constraints[$nId];
- }
- }
- }
-
-}// end class: GraphPattern.php
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Query.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Query.php
deleted file mode 100755
index c85a60ec..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/Query.php
+++ /dev/null
@@ -1,685 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class Query extends Object
-{
- /**
- * The BASE part of the SPARQL query.
- * @var string
- */
- protected $base;
-
- /**
- * Original SPARQL query string
- * @var string
- */
- protected $queryString = null;
-
- /**
- * Array that contains used prefixes and namespaces.
- * Key is the prefix, value the namespace.
- *
- * @example
- * array(8) {
- * ["rdf"] => string(43) "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- * ["rdfs"]=> string(37) "http://www.w3.org/2000/01/rdf-schema#"
- * }
- *
- * @var array
- */
- public $prefixes = array();
-
- /**
- * Array of result variables that shall be returned.
- * E.g. "?name", "?mbox"
- *
- * @var array
- */
- protected $resultVars = array();
-
- /**
- * What form/type of result should be returned.
- *
- * One of:
- * - "ask"
- * - "count"
- * - "construct"
- * - "describe"
- * - "select"
- * - "select distinct"
- *
- * @var string
- * @see http://www.w3.org/TR/rdf-sparql-query/#QueryForms
- */
- protected $resultForm = null;
-
- /**
- * Contains the result part of the SPARQL query.
- * Array of GraphPattern
- *
- * @var array
- */
- protected $resultPart = array();
-
- /**
- * Contains the FROM part of the SPARQL query.
- * @var array
- */
- protected $fromPart = array();
-
- /**
- * Contains the FROM NAMED part of the SPARQL query.
- * @var array
- */
- protected $fromNamedPart = array();
-
- /**
- * Optional solution modifier of the query.
- * Array with three keys:
- * "order by", "limit", "offset"
- * If they are not set, their value is null
- *
- * "order by" can be an array with subarrays, each of those
- * subarrays having two keys: "val" and "type".
- * "val" determines the variable ("?mbox"), "type" is
- * "asc" or "desc"
- *
- * @var array
- */
- protected $solutionModifier = array();
-
- /**
- * Blanknode counter.
- * How many blank nodes are in $resultPart
- *
- * @var int
- */
- protected $bnodeCounter = 0;
-
- /**
- * GraphPattern counter.
- * How many GraphPattern are in $resultPart
- *
- * @var int
- */
- public $graphPatternCounter = 0;
-
- /**
- * List of all vars used in the query.
- * Key is the variable (e.g. "?x"), value
- * is boolean true
- *
- * @var array
- */
- public $usedVars = array();
-
- /**
- * If the query type is CONSTRUCT this variable contains the
- * CONSTRUCT graph pattern.
- */
- protected $constructPattern = null;
-
- /**
- * TRUE if the query is empty FALSE if not.
- *
- * @var boolean
- */
- public $isEmpty = null;
-
- /**
- * Language of variables. NULL if the variable has no
- * language tag (e.g. @en) set.
- * $varname => $language tag
- * @var array
- */
- public $varLanguages = array();
-
- /**
- * Datatype of variables. NULL if the variable has no
- * data type (e.g. ^^xsd::integer) set.
- * $varname => $datatype
- * @var array
- */
- public $varDatatypes = array();
-
-
-
- /**
- * Constructor
- */
- public function Query(){
- $this->resultForm = null;
- $this->solutionModifier['order by'] = null;
- $this->solutionModifier['limit'] = null;
- $this->solutionModifier['offset'] = null;
- $this->bnodeCounter = 0;
- $this->graphPatternCounter = 0;
-
- }
-
- /**
- * Returns the BASE part of the query.
- *
- * @return String
- */
- public function getBase(){
- return $this->base;
- }
-
- /**
- * Returns the prefix map of the query.
- *
- * @return Array
- */
- public function getPrefixes(){
- return $this->prefixes;
- }
-
- /**
- * Returns a list containing the result vars.
- *
- * @return Array
- */
- public function getResultVar($strName) {
- foreach ($this->resultVars as $var) {
- if ($var->getVariable() == $strName) {
- return $var;
- }
- }
- return false;
- }
-
- /**
- * Returns a list containing the result vars.
- *
- * @return Array
- */
- public function getResultVars(){
- return $this->resultVars;
- }
-
- /**
- * Returns the type the result shall have.
- * E.g. "select", "select distinct", "ask", ...
- *
- * @see $resultForm
- *
- * @return string
- */
- public function getResultForm(){
- return $this->resultForm;
- }
-
- /**
- * Returns a list containing the graph patterns of the query.
- *
- * @return Array
- */
- public function getResultPart(){
- return $this->resultPart;
- }
-
- /**
- * Returns the FROM clause of the query.
- *
- * @return String
- */
- public function getFromPart(){
- return $this->fromPart;
- }
-
- /**
- * Returns the FROM NAMED clause of the query.
- *
- * @return Array
- */
- public function getFromNamedPart(){
- return $this->fromNamedPart;
- }
-
- /**
- * Returns $isEmpty variable
- * @return boolean
- */
- public function isEmpty() {
- return $this->isEmpty;
- }
-
- /**
- * Returns an unused Bnode label.
- *
- * @return String
- */
- public function getBlanknodeLabel(){
- return "_:bN".$this->bnodeCounter++;
- }
-
-
- /**
- * Sets the base part.
- *
- * @param String $base
- * @return void
- */
- public function setBase($base){
- $this->base = $base;
- }
-
-
- /**
- * Adds a prefix to the list of prefixes.
- *
- * @param String $prefix
- * @param String $label
- * @return void
- */
- public function addPrefix($prefix, $label){
- $this->prefixes[$prefix]= $label;
- }
-
- /**
- * Adds a variable to the list of result variables.
- *
- * @param String $var
- * @return void
- */
- public function addResultVar($var){
- $this->resultVars[] = $var;
- $var->setDatatype($this->getDatatype($var));
-
- $this->varLanguages[$var->getId()] = self::getLanguageTag($var);
- $this->varDatatypes[$var->getId()] = $this->getDatatype($var);
- }
-
-
- /**
- * Sets the result form.
- *
- * @param String $form
- * @return void
- */
- public function setResultForm($form){
- $this->resultForm = strtolower($form);
- }
-
-
- /**
- * Sets the result part.
- *
- * @param array Array of graph patterns
- */
- public function setResultPart($resultPart) {
- $this->resultPart = $resultPart;
- }
-
- /**
- * Adds a graph pattern to the result part.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- public function addGraphPattern($pattern){
- $pattern->setId($this->graphPatternCounter);
- $this->resultPart[] = $pattern;
- $this->graphPatternCounter++;
- }
-
- /**
- * Adds a construct graph pattern to the query.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- public function addConstructGraphPattern($pattern){
- $this->constructPattern = $pattern;
- }
-
-
- /**
- * Adds a graphuri to the from part.
- *
- * @param String $graphURI
- * @return void
- */
- public function addFrom($graphURI){
- $this->fromPart[] = $graphURI;
- }
-
- /**
- * Adds a graphuri to the from named part.
- *
- * @param String $graphURI
- * @return void
- */
- public function addFromNamed($graphURI){
- $this->fromNamedPart[] = $graphURI;
- }
-
- /**
- * Sets a solution modifier.
- *
- * @param String $name
- * @param Value $value
- * @return void
- */
- public function setSolutionModifier($name, $value){
- $this->solutionModifier[$name] = $value;
- }
-
-
- /**
- * Generates a new GraphPattern. If it is a CONSTRUCT graph pattern
- * $constr has to set to TRUE, FALSE if not.
- *
- * @param boolean $constr
- * @return GraphPattern
- */
- public function getNewPattern($constr = false){
- $pattern = new GraphPattern();
- if ($constr) {
- $this->addConstructGraphPattern($pattern);
- } else {
- $this->addGraphPattern($pattern);
- }
- return $pattern;
- }
-
- /**
- * Adds a new variable to the variable list.
- *
- * @param String $var
- * @return void
- */
- public function addUsedVar($var){
- $this->usedVars[$var]=true;
- }
-
- /**
- * Returns a list with all used variables.
- *
- * @return Array
- */
- public function getAllVars(){
- return array_keys($this->usedVars);
- }
-
- /**
- * Gets the solution modifiers of the query.
- * $solutionModifier['order by'] = value
- * ['limit'] = vlaue
- * ['offset'] = value
- *
- *
- * @return Array
- */
- public function getSolutionModifier(){
- return $this->solutionModifier;
- }
-
-
- /**
- * Returns the construvtGraphPattern of the query if there is one.
- *
- * @return GraphPattern
- */
- public function getConstructPattern(){
- return $this->constructPattern;
- }
-
-
-
- /**
- * Returns a list of variables used in the construct patterns.
- *
- * @return array Array of variable names, unique.
- */
- public function getConstructPatternVariables()
- {
- $arVars = array();
-/*
- if (count($this->resultPart) > 0) {
- foreach ($this->resultPart as $pattern) {
- $arVars = array_merge($arVars, $pattern->getVariables());
- }
- }
-*/
- if ($this->constructPattern) {
- $arVars = array_merge($arVars, $this->constructPattern->getVariables());
- }
-
- return array_unique($arVars);
- }//public function getConstructPatternVariables()
-
-
-
- /**
- * Returns the language of a variable if the tag is set (e.g. @en)
- * Returns NULL if no language is set.
- *
- * @param string Sparql variable name
- * @return mixed NULL or language tag
- */
- public static function getLanguageTag($var)
- {
- $nAt = strpos($var, '@');
- if ($nAt === false) {
- return null;
- }
- //in case @ and ^^ are combined
- $nHatHat = strpos($var, '^^', $nAt + 1);
- if ($nHatHat === false) {
- $tag = substr($var, $nAt + 1);
- } else {
- $tag = substr($var, $nAt + 1, $nHatHat - $nAt - 1);
- }
- return $tag;
- }//public static function getLanguageTag($var)
-
-
-
- /**
- * Returns the datatype of a variable if it is set.
- *
- * @param string Sparql variable name
- * @return mixed NULL or datatype
- */
- public function getDatatype($var)
- {
- $nHatHat = strpos($var, '^^');
- if ($nHatHat === false) {
- return null;
- }
- $nAt = strpos($var, '@', $nHatHat + 2);
- if ($nAt === false) {
- $type = substr($var, $nHatHat + 2);
- } else {
- $type = substr($var, $nHatHat + 2, $nAt - $nHatHat - 2);
- }
-
- $fullUri = $this->getFullUri($type);
- if ($fullUri === false) {
- $fullUri = $type;
- if ($fullUri[0] == '<' && substr($fullUri, -1) == '>') {
- $fullUri = substr($fullUri, 1, -1);
- }
- }
-
- return $fullUri;
- }//public function getDatatype($var)
-
-
-
- /**
- * Gets the full URI of a qname token.
- *
- * @param string $token
- * @return string The complete URI of a given token, false if $token is not
- * a qname or the prefix is not defined
- */
- public function getFullUri($token)
- {
- $pattern="/^([^:]*):([^:]*)$/";
- if (preg_match($pattern, $token, $hits) > 0) {
-
- if (isset($this->prefixes{$hits{1}})) {
- return substr($this->base, 1, -1)
- . $this->prefixes{$hits{1}}
- . $hits{2};
- }
- if ($hits{1}=='_') {
- return "_".$hits{2};
- }
- }
-
- return false;
- }
-
-
-
- /**
- * Checks if the query is complete
- * (so that querying is possible)
- *
- * @return boolean true if the query is complete
- */
- public function isComplete()
- {
- if ($this->resultForm === null) {
- return false;
- }
- //TODO: maybe check selected vars and construct pattern depending
- // on the resultform
- return true;
- }//public function isIncomplete()
-
-
-
- /**
- * Sets the orignal query string
- *
- * @param string $queryString SPARQL query string
- */
- public function setQueryString($queryString)
- {
- $this->queryString = $queryString;
- }//public function setQueryString($queryString)
-
-
-
- /**
- * Returns the orignal query string
- *
- * @return string SPARQL query string
- */
- public function getQueryString()
- {
- return $this->queryString;
- }//public function getQueryString()
-
-}// end class: Query.php
-
-
-
-class Query_ResultVariable
-{
- public $variable = null;
- public $datatype = null;
- public $language = null;
- public $alias = null;
- public $func = null;
-
-
- public function __construct($variable)
- {
- $this->variable = $variable;
- $this->language = Query::getLanguageTag($variable);
- }
-
-
-
- public function setAlias($alias)
- {
- $this->alias = $alias;
- }
-
-
-
- public function setFunc($func)
- {
- $this->func = $func;
- }
-
-
-
- public function setDatatype($datatype)
- {
- $this->datatype = $datatype;
- }
-
-
-
- public function getId()
- {
- //FIXME
- return $this->variable;
- }
-
-
-
- public function getFunc()
- {
- return $this->func;
- }
-
-
-
- public function getLanguage()
- {
- return $this->language;
- }
-
-
-
- public function getDatatype()
- {
- return $this->datatype;
- }
-
-
-
- public function getName()
- {
- if ($this->alias !== null) {
- return $this->alias;
- }
- //FIXME: support for nested(functions())
- return $this->variable;
- }
-
-
-
- public function getVariable()
- {
- return $this->variable;
- }
-
-
-
- public function __toString()
- {
- return $this->getName();
- }
-
-}//class Query_ResultVariable
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/QueryTriple.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/QueryTriple.php
deleted file mode 100755
index 4f8dcca2..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/QueryTriple.php
+++ /dev/null
@@ -1,123 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class QueryTriple extends Object
-{
-
- /**
- * The QueryTriples Subject.
- * Can be a BlankNode or Resource, string in
- * case of a variable
- * @var Node/string
- */
- protected $subject;
-
- /**
- * The QueryTriples Predicate.
- * Normally only a Resource, string in
- * case of a variable
- * @var Node/string
- */
- protected $predicate;
-
- /**
- * The QueryTriples Object.
- * Can be BlankNode, Resource or Literal, string in
- * case of a variable
- * @var Node/string
- */
- protected $object;
-
-
-
- /**
- * Constructor
- *
- * @param Node $sub Subject
- * @param Node $pred Predicate
- * @param Node $ob Object
- */
- public function QueryTriple($sub,$pred,$ob)
- {
- $this->subject = $sub;
- $this->predicate = $pred;
- $this->object = $ob;
- }
-
- /**
- * Returns the Triples Subject.
- *
- * @return Node
- */
- public function getSubject()
- {
- return $this->subject;
- }
-
- /**
- * Returns the Triples Predicate.
- *
- * @return Node
- */
- public function getPredicate()
- {
- return $this->predicate;
- }
-
- /**
- * Returns the Triples Object.
- *
- * @return Node
- */
- public function getObject()
- {
- return $this->object;
- }
-
-
-
- /**
- * Returns an array of all variables in this triple.
- *
- * @return array Array of variable names
- */
- public function getVariables()
- {
- $arVars = array();
-
- foreach (array('subject', 'predicate', 'object') as $strVar) {
- if (SparqlVariable::isVariable($this->$strVar)) {
- $arVars[] = $this->$strVar;
- }
- }
-
- return $arVars;
- }//public function getVariables()
-
-
-
- public function __clone()
- {
- foreach (array('subject', 'predicate', 'object') as $strVar) {
- if (is_object($this->$strVar)) {
- $this->$strVar = clone $this->$strVar;
- }
- }
- }//public function __clone()
-
-}//class QueryTriple extends Object
-
-// end class: QueryTriple.php
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SPARQL.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SPARQL.php
deleted file mode 100755
index b35f82ef..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SPARQL.php
+++ /dev/null
@@ -1,20 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlClient.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlClient.php
deleted file mode 100755
index 9db93c96..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlClient.php
+++ /dev/null
@@ -1,160 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-class SparqlClient extends Object {
-
- var $server;
- var $output;
-
- /**
- * Constructor of SparlClient.
- *
- * @param String $server server address.
- */
- function SparqlClient($server){
- $this->server = $server;
- $this->output = "array";
- }
-
-
- /**
- * Sets the output format for a SELECT or ASK query. Possible formats are "xml" for
- * Sparql Query Results XML Format (http://www.w3.org/TR/rdf-sparql-XMLres/) or array
- * for the format described in our SparqlEngine.
- *
- * @param String $format the format.
- */
- function setOutputFormat($format){
- if(strtolower($format)=="xml")
- $this->output = "xml";
- if(strtolower($format)=="array")
- $this->output = "array";
-
- }
-
- /**
- * Main function of SparqlClient.
- *
- * @param ClientQuery $query the ClientQuery object.
- * @return mixed returns an array that contains the variables an their bindings or a MemModel
- *
- */
- function query($query){
- if(!is_a($query,"ClientQuery"))
- die;//ErrorHandling
-
- $url = $this->_buildurl($query);
- $result = $this->_http_get($url);
- return $this->returnResult($result);
-
- }
-
-
- /**
- * Helper function that builds the url.
- *
- * @param ClientQuery $query the ClientQuery Object.
- */
-
- function _buildurl($query){
- $url = "";
- $url = $this->server."?query=".urlencode($query->query);
- foreach($query->default as $defaultg){
- $url = $url."&default-graph-uri=".$defaultg;
- }
- foreach($query->named as $namedg){
- $url = $url."&named-graph-uri=".$namedg;
- }
-
- return $url;
-
- }
-
- /**
- * Returns the query result.
- *
- * @param String $result the result.
- * @return mixed
- */
- function returnResult($result){
-
- if(strpos($result,"generateModel(substr($result,strpos($result,"output == "xml"){
- $pos = strpos($result,"output == "array"){
- // $pos = strpos($buffer,"parseResult($result);
- }
- return $result;
- }
-
-
- function parseResult($buffer){
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_SPARQLRES);
- $parser = new SparqlResultParser();
- return $parser->parse($buffer);
- }
-
-
- /**
- * Executes the GET Request.
- *
- * @param String $url the url.
- * @return String result.
- */
- function _http_get($url)
- {
- $url = parse_url($url);
- $port = isset($url['port']) ? $url['port'] : 80;
-
- $fp = fsockopen($url['host'], $port);
-
- $replace = $url['path'];
-
- fputs($fp, "GET ".$replace."?".$url['query']." HTTP/1.0\n");
- fputs($fp, "Host:". $url['host']." \r\n");
- fputs($fp, "Accept: application/sparql-results+xml, application/rdf+xml\r\n");
- fputs($fp, "Connection: close\n\n");
-
- $buffer = "";
- while ($tmp = fread($fp, 1024))
- {
- $buffer .= $tmp;
- }
-
- $pos1 = strpos($buffer,"\r\n\r\n");
- $pos2 = strpos($buffer,"\n\n");
- if ($pos1 === false) {
- $pos = $pos2;
- } else {
- $pos = $pos1;
- }
-
- return substr($buffer,$pos);
-
- }
-}
-
-
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine.php
deleted file mode 100755
index 06f6c804..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine.php
+++ /dev/null
@@ -1,1169 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-
-Class SparqlEngine extends Object{
-
-
- /**
- * The query object.
- * @var Query
- */
- protected $query;
-
- /**
- * The RDF Dataset.
- * @var Dataset
- */
- protected $dataset;
-
-
-
- /**
- * Use SparqlEngine::factory() instead of this
- * constructor.
- */
- protected function __construct()
- {
- //protected to prevent direct instantiation
- }
-
-
- /**
- * Creates a new instance of the SparqlEngine, depending on the
- * given model. For example, if you pass a DbModel, you will
- * get a SparqlEngine specialized on databases.
- *
- * @param Model $model RDF model that uses the engine
- */
- public function factory($model = null)
- {
- if ($model !== null && $model instanceof DbModel) {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb.php';
- return new SparqlEngineDb($model);
- } else {
- return new SparqlEngine();
- }
- }
-
-
-
- /**
- * The query engine's main method.
- *
- * @param Dataset $dataset the RDF Dataset
- * @param mixed $query the parsed SPARQL query
- * @param String $resultform the result form. If set to 'xml' the result will be
- * SPARQL Query Results XML Format as described in http://www.w3.org/TR/rdf-sparql-XMLres/ .
- * @return Array/String Type of the result depends on $resultform.
- */
- public function queryModel($dataset, Query $query, $resultform = false)
- {
- $this->query = $query;
- $this->dataset = $dataset;
-
- if($this->query->isEmpty){
- $vartable[0]['patternResult'] = null;
- return SparqlEngine_ResultConverter::convertFromResult(
- $vartable,
- $this,
- $resultform
- );
- }
-
- $graphlist = $this->preselectGraphs();
- /// match graph patterns against the RDF Dataset
- $patternlist = $this->matchPatterns($graphlist);
- // filter results- apply inner filters
- $patternlist = $this->filterPatterns($patternlist,false);
- // join pattern results
- $vartable = $this->joinResults($patternlist);
- // filter results- apply outer filters
- $vartable = $this->filterPatterns($vartable,true);
-
- if ($vartable[0]['patternResult'] != null) {
- // sort vars (ORDER BY, LIMIT, OFFSET)
- $vartable = $this->sortVars($vartable[0]['patternResult']);
- $qrf = $this->query->getResultForm();
- if ($qrf == 'select' || $qrf == 'select distinct') {
- $vars = $this->query->getResultVars();
- $vartable = $this->selectVars($vartable, $vars);
- if ($qrf == 'select distinct') {
- $vartable = $this->distinct($vartable);
- }
- }
- } else {
- $vartable = null;
- }
-
- return SparqlEngine_ResultConverter::convertFromResult(
- $vartable,
- $this,
- $resultform
- );
- }//public function queryModel($dataset, Query $query, $resultform = false)
-
-
-
- /**
- * Matches all graph Patterns against the dataset and generates an array which
- * contains the result sets for every given GraphPattern.
- *
- * @param Array $graphlist the graphlist which contains the names of the named
- * graphs which has to be queried.
- * @return Array
- */
- protected function matchPatterns($graphlist){
- $patternlist = array();
- // get the result part from the query
- $resultPart = $this->query->getResultPart();
- // for each GrapPattern in the result part
- if($resultPart)
- foreach($resultPart as $graphPattern){
- $this->matchPattern($patternlist, $graphlist, $graphPattern);
- }
- return $patternlist;
- }
-
-
-
- /**
- * Finds tuples that match one graph pattern.
- *
- * @param Array $patternlist list that contains the graphPatterns
- * @param array $graphlist the graphlist
- * @param GraphPattern $graphPattern the pattern which has to be matched
- * @return void
- */
- protected function matchPattern(&$patternlist, $graphlist, &$graphPattern) {
- // generate an empty result set
- $finalRes = null;
- // if the GraphPattern has triple patterns
- if (count($graphPattern->getTriplePatterns()) > 0) {
- // check if the pattern has a GRAPH clause and if this Iri is in $graphlist
- $newGraphList = $this->_checkGraphs($graphPattern,$graphlist);
- if($newGraphList){
- $qt = $graphPattern->getTriplePatterns();
- $resultSet = $this->findTuplesMatchingOnePattern($qt[0], $newGraphList);
- for ($i=1; $ifindTuplesMatchingOnePattern($qt[$i], $newGraphList);
- $resultSet = $this->joinTuples($resultSet, $rs);
- if(!$resultSet)
- break;
- }
- if($finalRes != null){
- $finalRes = $this->joinTuples($finalRes,$resultSet);
- }else{
- $finalRes = $resultSet;
- }
- }
- }
- // dependencies between pattern results
- $patternlist[$graphPattern->getId()]['hasOptional'] = 0;
- $patternlist[$graphPattern->getId()]['hasUnion'] = 0;
- $patternlist[$graphPattern->getId()]['patternResult'] = $finalRes;
-
- $op = $graphPattern->getOptional();
- $un = $graphPattern->getUnion();
-
- $patternlist[$graphPattern->getId()]['optionalTo'] = $op;
- if(is_int($op))
- $patternlist[$op]['hasOptional']++;
-
- $patternlist[$graphPattern->getId()]['unionWith'] = $un;
- if(is_int($un))
- $patternlist[$un]['hasUnion']++;
-
- $constraint = $graphPattern->getConstraints();
- if(count($constraint) > 0){
- foreach($constraint as $constr){
- if($constr->isOuterFilter()){
- $patternlist[$graphPattern->getId()]['outerFilter'][] = $constr;
- $patternlist[$graphPattern->getId()]['innerFilter'][] = null;
- }else{
- $patternlist[$graphPattern->getId()]['innerFilter'][] = $constr;
- $patternlist[$graphPattern->getId()]['outerFilter'][] = null;
- }
- }
- }else{
- $patternlist[$graphPattern->getId()]['innerFilter'] = null;
- $patternlist[$graphPattern->getId()]['outerFilter'] = null;
- }
- }
-
-
- /**
- * Finds Tuples matching one TriplePattern.
- *
- * @param TriplePattern $pattern
- * @param Array $graphlist
- * @return Array
- */
- protected function findTuplesMatchingOnePattern($pattern, $graphlist){
- $var = null;
- $sub = $pattern->getSubject();
- $pred = $pattern->getPredicate();
- $obj = $pattern->getObject();
-
- if(is_string($sub)||$sub instanceof BlankNode){
- if(is_string($sub))
- $var['sub'] = $sub;
- $sub = null;
- }
- if(is_string($pred)||$pred instanceof BlankNode ){
- if(is_string($pred))
- $var['pred'] = $pred;
- $pred = null;
- }
- if(is_string($obj)||$obj instanceof BlankNode){
- if(is_string($obj))
- $var['obj'] = $obj;
- $obj = null;
- }
- $intBindings = $this->_buildIntBindings($var);
- $k = 0;
-
- $key = 0;
- // search in named graphs
- if($graphlist['var'][0] != null||$graphlist['list'][0] != null){
- foreach($graphlist['list'] as $key => $graphnode){
-
- // query the dataset
- $it = $this->dataset->findInNamedGraphs($graphnode,$sub,$pred,$obj,false);
- if($it->valid()){
- // add statements to the result list
- while($it->valid()){
- if($graphnode == null){
- $element = $it->current()->getStatement();
- $grname = $it->current()->getGraphname();
- }else{
- if($it->current() instanceof Quad)
- $element = $it->current()->getStatement();
- else
- $element = $it->current();
-
- $grname = $graphnode;
- }
- if($this->checkIntBindings($element,$intBindings)){
- $resmodel['trip'][$k] = $element;
- $resmodel['graph'][$k] = $grname;
- // $resmodel['graphvar'][$k] = $graphlist['var'][$key];
- $resmodel['graphvar'][$k] = $graphlist['var'][0];
- $k++;
-
- }
- $it->next();
- }
- }
-
- }
- }
- // search in the default graph
- if($graphlist['list'][0] == null && $graphlist['var'][0] == null){
-
-
- $gr = $this->dataset->getDefaultGraph();
-
- $res = $gr->find($sub,$pred,$obj);
-
- foreach($res->triples as $innerkey => $element){
- if($this->checkIntBindings($element,$intBindings)){
- $resmodel['trip'][$k] = $element;
- $resmodel['graph'][$k] = null;
- $resmodel['graphvar'][$k] = $graphlist['var'][$key];
- $k++;
- }
- }
- }
- if($k == 0)
- return false;
- return $this->_buildResultSet($pattern,$resmodel);
- }
-
- /**
- * Checks it there are internal bindings between variables.
- *
- * @param Triple $trip
- * @param Array $intBindings
- * @return boolean
- */
- protected function checkIntBindings($trip, $intBindings){
- switch($intBindings){
- case -1:
- return true;
- break;
- case 0:
- if($trip->subj != $trip->pred)
- return false;
- break;
- case 1:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->subj != $trip->obj)
- return false;
- break;
- case 2:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->pred != $trip->obj)
- return false;
- break;
- case 3:
- if(is_a($trip->obj,'Literal'))
- return false;
- if($trip->pred != $trip->obj || $trip->pred != $trip->subj )
- return false;
- break;
- }
- return true;
- }
-
-
- /**
- * Perform an SQL-like inner join on two resultSets.
- *
- * @param Array &$finalRes
- * @param Array &$res
- * @return Array
- */
- protected function joinTuples(&$finalRes, &$res) {
-
- if (!$finalRes || !$res)
- return array();
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- $k = key($res);
-
- foreach ($res[$k] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0]))
- $jointVars[] = $varname;
- else
- $newVars[] = $varname;
- }
-
- // eliminate rows of $finalRes in which the values of $jointVars do not have
- // a corresponding row in $res.
- foreach ($finalRes as $n => $fRes) {
- foreach ($res as $i => $r) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok)
- break;
- }
- if (!$ok)
- unset($finalRes[$n]);
- }
-
- // join $res and $finalRes
- $joinedRes = array();
- foreach ($res as $r) {
- foreach ($finalRes as $n => $fRes) {
- $ok = TRUE;
- foreach ($jointVars as $j_varname)
- if ($r[$j_varname] != $fRes[$j_varname]) {
- $ok = FALSE;
- break;
- }
- if ($ok) {
- $joinedRow = $finalRes[$n];
- foreach($newVars as $n_varname)
- $joinedRow[$n_varname] = $r[$n_varname];
- $joinedRes[] = $joinedRow;
- }
- }
- }
- return $joinedRes;
- }
-
-
- /**
- * Joins OPTIONAL pattern results.
- *
- * @param Array &$finalRes
- * @param Array &$res
- * @return Array the joined Array
- */
- protected function joinOptionalTuples(&$finalRes, &$res) {
-
- if(!$finalRes && !$res)
- return array();
-
- if(!$finalRes)
- return $res;
-
- if(!$res)
- return $finalRes;
-
- // find joint variables and new variables to be added to $finalRes
- $jointVars = array();
- $newVars = array();
- $result = array();
-
- $k = key($res);
-
- foreach ($res[$k] as $varname => $node) {
- if (array_key_exists($varname, $finalRes[0])){
- $jointVars[] = $varname;
- }else{
- $newVars[] = $varname;
- }
- }
- $joined = array();
- $joinc = 0;
- foreach($finalRes as $i =>$fRes){
- foreach($res as $n =>$r){
- $join = false;
- foreach($jointVars as $j_varname){
- if($r[$j_varname]==$fRes[$j_varname]){
- $join = true;
- //break;
- }else{
- $join = false;
- }
- }
- if($join){
- $result[$joinc] = $fRes;
- foreach($newVars as $n_varname)
- $result[$joinc][$n_varname] = $r[$n_varname];
- $joined[]=$n;
- $joinc++;
- }
-
- }
- }
-
- $count = count($result);
- foreach($res as $k =>$val){
- if(!in_array($k,$joined)){
- $result[$count] = $finalRes[0];
- foreach($result[$count] as $varname => $varVal){
- $result[$count][$varname]='';
- }
-
- foreach($val as $varname2 => $varVal2){
- $result[$count][$varname2]=$varVal2;
- }
- $count++;
- }
- }
- return $result;
- }
-
-
-
- /**
- * Looks in from and from named part of the query and
- * adds the graphs to the graphlist.
- *
- * @return Array
- */
- protected function preselectGraphs(){
- $fromNamed = $this->query->getFromNamedPart();
- if($fromNamed == null)
- $fromNamed[] = null;
- return $fromNamed;
- }
-
-
- /**
- * Evaluates the GRPAH clause if there is one. Checks if
- * the GRAPH clause contains an IRI, variable or nothing.
- * Returns an array which contains the graphs that has to be matched.
- *
- * @param GraphPattern $pattern
- * @param Array $graphlist
- * @return Array
- */
- protected function _checkGraphs(&$pattern,$graphlist){
-
- $gr = $pattern->getGraphname();
- if($gr instanceof Resource ){
- if($graphlist[0]==null || in_array($gr,$graphlist)){
- $newGraphList['list'][] = $gr;
- $newGraphList['var'][] = null;
- }else{
- return false;
- }
- }elseif (is_string($gr)){
- $newGraphList['list'] = $graphlist;
- $newGraphList['var'][] = $gr;
- }else{
- $newGraphList['list'] = $graphlist;
- $newGraphList['var'][] = null;
- }
- return $newGraphList;
- }
-
- /**
- * Marks triples with internal bindings.
- * int bindings -1 :none 0:sub=pred 1:sub=obj 2:pred=obj 3:sub=pred=obj.
- *
- * @param Array $var
- * @return Array
- */
- protected function _buildIntBindings($var){
- $intBindings = -1;
- if(!$var)
- return $intBindings;
-
- if(isset($var['sub'])){
- if(isset($var['pred']))
- if($var['sub'] == $var['pred'])
- $intBindings = 0;
- if(isset($var['obj']))
- if($var['sub'] == $var['obj']){
- if( $intBindings == 0){
- $intBindings = 3;
- }else{
- $intBindings = 1;
- }
- }
- }
- if(isset($var['pred'])){
- if(isset($var['obj']))
- if($var['pred']==$var['obj']&&$intBindings!=3)
- $intBindings = 2;
- }
- return $intBindings;
- }
-
- /**
- * Builds the resultset.
- *
- * @param GraphPattern $pattern
- * @param Array $resmodel
- * @return Array
- */
- protected function _buildResultSet($pattern,$resmodel){
- // determine variables and their corresponding values
- $result = null;
- if(is_string($pattern->getSubject())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getSubject()] = $triple->subj;
- }
- }
- if(is_string($pattern->getPredicate())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getPredicate()] = $triple->pred;
- }
- }
- if(is_string($pattern->getObject())){
- $n = 0;
- foreach($resmodel['trip'] as $key => $triple){
- if(isset($resmodel['graphvar'][$key]))
- $result[$n][$resmodel['graphvar'][$key]] = $resmodel['graph'][$key];
- $result[$n++][$pattern->getObject()] = $triple->obj;
- }
- }
- return $result;
- }
-
- /**
- * Selects the result variables and builds a result table.
- *
- * @param Array $table the result table
- * @param Array $vars the result variables
- * @return Array
- */
- protected function selectVars($table,$vars){
- if($vars[0]=='*')
- $vars = $this->query->getAllVars();
- $resTable = array();
- $hits = 0;
- foreach($table as $val){
- foreach($vars as $var){
- if(isset($val[(string)$var])){
- $resTable[$hits][(string)$var]=$val[(string)$var];
- }else{
- $resTable[$hits][(string)$var]="";
- }
- }
- $hits++;
- }
- return $resTable;
- }
-
- /**
- * Joins the results of the different Graphpatterns.
- *
- * @param Array $patternlist
- * @return Array
- */
- protected function joinResults($patternlist){
- $joined[0]['patternResult'] = null;
- $joined[0]['outerFilter'] = null;
-
- while(count($patternlist)>0){
- foreach($patternlist as $key => $pattern){
- if($pattern['hasOptional'] == 0 && $pattern['hasUnion'] == 0){
- if(is_int($pattern['optionalTo'])){
- $patternlist[$pattern['optionalTo']]['hasOptional']--;
- $patternlist[$pattern['optionalTo']]['patternResult'] = $this->joinOptionalTuples($pattern['patternResult'],$patternlist[$pattern['optionalTo']]['patternResult']);
- unset($patternlist[$key]);
- break;
- }
- else if(is_int($pattern['unionWith'])){
- $patternlist[$pattern['unionWith']]['hasUnion']--;
- foreach($pattern['patternResult'] as $value)
- array_push($patternlist[$pattern['unionWith']]['patternResult'],$value);
- unset($patternlist[$key]);
- break;
- }else{
- if($joined[0]['patternResult'] == null){
- $joined[0]['patternResult'] = $pattern['patternResult'];
- if($joined[0]['outerFilter'] == null )
- $joined[0]['outerFilter'] = $pattern['outerFilter'];
- unset($patternlist[$key]);
- break;
- }
- // if($pattern['patternResult'] !=null ){
- $joined[0]['patternResult'] = $this->joinTuples($joined[0]['patternResult'],$pattern['patternResult']);
- $joined[0]['outerFilter'] = $pattern['outerFilter'];
- unset($patternlist[$key]);
- break;
- // }
- }
- }
- }
- }
- return $joined;
- }
-
- /**
- * Filters the pattern results.
- *
- * @param Array $patternlist list containing the results of the GraphPatterns
- * @param boolean $outer TRUE if its an outer filter FALSE if not
- * @return Array the filtered patternlist
- */
- protected function filterPatterns($patternlist,$outer){
- if($outer)
- $filter = 'outerFilter';
- else
- $filter = 'innerFilter';
- foreach($patternlist as $patkey => $pattern){
- // get constraints
- $constraint = $pattern[$filter];
-
- if(count($constraint)>0){
- foreach($constraint as $constr){
- if($constr != null){
- // extract Vars and function calls
- $evalString = $constr->getExpression();
- preg_match_all("/\?.[^\s\)\,]*/",$evalString,$vars);
- preg_match_all("/bound\((.[^\)]*)\)/i",$evalString,$boundcalls);
- preg_match_all("/isuri\((.[^\)]*)\)/i",$evalString,$isUricalls);
- preg_match_all("/isblank\((.[^\)]*)\)/i",$evalString,$isBlankcalls);
- preg_match_all("/isLiteral\((.[^\)]*)\)/i",$evalString,$isLiteralcalls);
- preg_match_all("/lang\((.[^\)]*)\)/i",$evalString,$langcalls);
- preg_match_all("/datatype\((.[^\)]*)\)/i",$evalString,$datatypecalls);
- preg_match_all("/str\((.[^\)]*)\)/i",$evalString,$stringcalls);
-
- // is Bound
- if(count($boundcalls[1])>0)
- $function['bound'] = $boundcalls[1];
- else
- $function['bound'] = false;
-
- // is URI
- if(count($isUricalls[1])>0)
- $function['isUri'] = $isUricalls[1];
- else
- $function['isUri'] = false;
-
- // is Blank
- if(count($isBlankcalls[1])>0)
- $function['isBlank'] = $isBlankcalls[1];
- else
- $function['isBlank'] = false;
-
- // is Literal
- if(count($isLiteralcalls[1])>0)
- $function['isLiteral'] = $isLiteralcalls[1];
- else
- $function['isLiteral'] = false;
-
- // lang
- if(count($langcalls[1])>0)
- $function['lang'] = $langcalls[1];
- else
- $function['lang'] = false;
-
- // datatype
- if(count($datatypecalls[1])>0)
- $function['datatype'] = $datatypecalls[1];
- else
- $function['datatype'] = false;
-
- // string
- if(count($stringcalls[1])>0)
- $function['string'] = $stringcalls[1];
- else
- $function['string'] = false;
-
-
- foreach($pattern['patternResult'] as $key => $res){
- $result = false;
- $evalString = $this->fillConstraintString($vars,$res,$constr,$function);
- $evalString = '$result =('.$evalString.');';
- // evaluate Constraint
- @eval($evalString);
-
- if(!$result)
- unset($patternlist[$patkey]['patternResult'][$key]);
-
- }
- }
- }
- }
- }
- return $patternlist;
- }
-
- /**
- * Builds an evaluation string to determine wether the result passes
- * the filter or not. This string is evaluatet by the php buildin eval() function
- *
- * @param Array $vars a list which contains the used variables
- * @param Array $res the result part which have to be evaluated
- * @param Constraint $constraint the Constrain object
- * @param Array $function an Array which contains the used functions
- * @return String
- */
-
- protected function fillConstraintString($vars,$res,$constraint,$function){
-
- $boundExpr = false;
- $evalString = $constraint->getExpression();
-
- // extract Literals
- $pattern1 = "/\".[^\"]*\"[^\^\@]/";
- $pattern2 = "/\'.[^\']*\'[^\^\@]/";
- preg_match_all($pattern1,$evalString,$hits1);
- preg_match_all($pattern2,$evalString,$hits2);
-
- foreach($hits1[0] as $k => $val){
- $evalString = preg_replace('/\".[^\"]*\"[^\^]/','_REPLACED1_'.$k++,$evalString,1);
- }
- foreach($hits2[0] as $k => $val){
- $evalString = preg_replace('/\".[^\"]*\"[^\^]/','_REPLACED2_'.$k++,$evalString,1);
- }
-
- // replace namespaces
- $prefs = $this->query->getPrefixes();
- foreach($prefs as $key => $val){
- if($key == '')
- $key = ' ';
- $evalString = preg_replace("/^(".$key."\:)(.[^\s]*)|([\s\(]?[^\^])(".$key."\:)(.[^\s\)]*)([\s\)]?)/","$3'<".$val."$2$5>'$6",$evalString);
-
- $evalString = preg_replace("/(\^)(".$key."\:)(.[^\s]*)/","$1<".$val."$3>",$evalString);
- }
-
- $xsd = "http\:\/\/www.w3.org\/2001\/XMLSchema\#";
-
- // evaluate bound calls
- if($function['bound']){
- $boundExpr = true;
- foreach($function['bound'] as $var){
- if(isset($res[$var]) && $res[$var]!=="")
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/bound\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isBlank calls
- if($function['isBlank']){
- foreach($function['isBlank'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof BlankNode )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isBlank\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isLiteral calls
- if($function['isLiteral']){
- foreach($function['isLiteral'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isLiteral\(\\".$var."\)/i",$replacement,$evalString);
- }
-
- }
- // evaluate isUri calls
- if($function['isUri']){
- foreach($function['isUri'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Resource && $res[$var]->getUri() && !$res[$var] instanceof BlankNode )
- $replacement = 'true';
- else
- $replacement = 'false';
- $evalString = preg_replace("/isUri\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate lang calls
- if($function['lang']){
- foreach($function['lang'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal && $res[$var]->getLanguage() )
- $replacement = '"'.$res[$var]->getLanguage().'"';
- else
- $replacement = 'null';
- $evalString = preg_replace("/lang\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate datatype calls
- if($function['datatype']){
- foreach($function['datatype'] as $var){
- if(isset($res[$var]) && $res[$var]!=="" && $res[$var] instanceof Literal && $res[$var]->getDatatype() )
- $replacement = '\'<'.$res[$var]->getDatatype().'>\'';
- else
- $replacement = 'false';
- $evalString = preg_replace("/datatype\(\\".$var."\)/i",$replacement,$evalString);
- }
- }
- // evaluate string calls
- if($function['string']){
- foreach($function['string'] as $var){
- if($var{0}=='?' || $var{0}=='$'){
- if(isset($res[$var]) && $res[$var]!==""){
- $replacement = "'str_".$res[$var]->getLabel()."'";
- if($res[$var] instanceof BlankNode)
- $replacement = "''";
- }else{
- $replacement = 'false';
- }
- $evalString = preg_replace("/str\(\\".$var."\)/i",$replacement,$evalString);
- }else{
- if($var{0}=='<'){
- $evalString = preg_replace("/str\(\s*\<(.[^\>]*)\>\s*\)/i","'str_$1'",$evalString);
- }
- if($var{0}=='"'){
- $evalString = preg_replace("/str\(\s*\"(.[^\>]*)\"\@[a-z]*\s*\)/i","'str_$1'",$evalString);
- }
- }
-
- }
- }
- // evaluate VARS
- foreach($vars[0] as $var){
- if(isset($res[$var])&&$res[$var]!== ""){
- //$replacement = "'".$res[$var]->getLabel()."'";
- $replacement = '" "';
- if($res[$var] instanceof Literal){
- if($res[$var]->getDatatype()!= null){
- if($res[$var]->getDatatype() == XML_SCHEMA.'boolean')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'double')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'integer')
- $replacement = $res[$var]->getLabel();
- if($res[$var]->getDatatype() == XML_SCHEMA.'dateTime')
- $replacement = strtotime($res[$var]->getLabel());
- }else{
- if($res[$var]->getLabel()=="")
- $replacement = 'false';
- else
- $replacement = "'str_".$res[$var]->getLabel()."'";
- }
- }else{
- if($res[$var] instanceof Resource){
- $replacement = "'<".$res[$var]->getLabel().">'";
- }
- }
- $evalString = preg_replace("/\\".$var."/",$replacement,$evalString);
- }
-
- // problem with PHP: false < 13 is true
- if(isset($res[$var])){
- if($res[$var] === ""){
- if($boundExpr)
- $evalString = preg_replace("/\\".$var."/","false",$evalString);
- else
- $evalString = 'false';
- }
- }else{
- $evalString = preg_replace("/\\".$var."/","false",$evalString);
- }
-
- }
-
- // replace '=' with '=='
- $evalString = preg_replace("/(.[^\=])(\=)(.[^\=])/","$1==$3",$evalString);
-
-
- // rewrite Literals
- foreach($hits1[0] as $k => $val){
- $pattern = '/_REPLACED1_'.$k.'/';
- $evalString = preg_replace($pattern,$hits1[0][$k],$evalString,1);
- }
-
- foreach($hits2[0] as $k => $val){
- $pattern = '/_REPLACED2_'.$k.'/';
- $evalString = preg_replace($pattern,$hits2[0][$k],$evalString,1);
- }
-
- // replace xsd:boolean expressions
- $pattern = $pattern = '/\"\s?true\s?\"\^\^\<'.$xsd.'boolean\>|\'\s?true\s?\'\^\^xsd:boolean/';
- $evalString = preg_replace($pattern,"true",$evalString);
-
- $pattern = $pattern = '/\"\s?false\s?\"\^\^\<'.$xsd.'boolean\>|\'\s?false\s?\'\^\^xsd:boolean/';
- $evalString = preg_replace($pattern,"false",$evalString);
-
- // replace xsd:date expressions
- $pattern = "/\"(.[^\"]*)\"\^\^".$xsd."dateTime/";
- preg_match_all($pattern,$evalString,$hits);
-
- foreach($hits[1] as $dummy)
- $evalString = preg_replace("/\".[^\"]*\"\^\^".$xsd."dateTime/",strtotime($dummy),$evalString,1);
-
-
- $evalString = preg_replace("/(\'\<".$xsd."dateTime\()(.[^\)]*\))\>\'/","dateTime($2",$evalString);
-
- $evalString = preg_replace("/(\'\<".$xsd."integer\()(.[^\)]*\))\>\'/","integer($2",$evalString);
-
- // tag plain literals
- $evalString = preg_replace("/\"(.[^\"]*)\"([^\^])|\"(.[^\"]*)\"$/","'str_$1$3'$2",$evalString);
-
- return $evalString;
- }
-
- /**
- * Sorts the results.
- *
- * @param Array $vartable List containing the unsorted result vars
- * @return Array List containing the sorted result vars
- */
- protected function sortVars($vartable)
- {
- $newTable = array();
- $mod = $this->query->getSolutionModifier();
- // if no ORDER BY solution modifier return vartable
- if($mod['order by']!= null){
- $order = $mod['order by'];
- $map = $this->buildVarmap($order,$vartable);
- foreach($map as $val){
- $newTable[] = $vartable[$val];
- }
- }else{
- $newTable = $vartable;
- }
-
- if($mod['offset'] != null){
- $newTable = array_slice ($newTable, $mod['offset']);
- }
- if($mod['limit'] != null){
- $newTable = array_slice($newTable,0,$mod['limit']);
- }
-
- return $newTable;
- }
-
- /**
- * Sorts the result table.
- *
- * @param String $order (ASC/DESC)
- * @param Array $vartable the vartable
- * @return Array A map that contains the new order of the result vars
- */
- protected function buildVarmap($order, $vartable)
- {
- $n= 0;
- $result = array();
- $num_var = array();
- foreach($order as $variable)
- $num_var[$variable['val']] = 0;
-
- foreach($vartable as $k => $x){
- foreach($order as $value){
- // if the value is a typed Literal try to determine if it
- // a numeric datatype
- if($x[$value['val']] instanceof Literal){
- $dtype = $x[$value['val']]->getDatatype();
- if($dtype){
- switch($dtype){
- case XML_SCHEMA."integer":
- $num_var[$value['val']]++;
- break;
- case XML_SCHEMA."double":
- $num_var[$value['val']]++;
- break;
-
- }
- }
- }
- if($x[$value['val']]){
- if($x[$value['val']]instanceof Literal){
- $pref = "2";
- }
- if($x[$value['val']]instanceof Resource){
- $pref = "1";
- }
- if($x[$value['val']]instanceof BlankNode){
- $pref = "0";
- }
- $result[$value['val']][$n] = $pref.$x[$value['val']]->getLabel();
- }else{
- $result[$value['val']][$n] = "";
- }
- }
- $result['oldKey'][$n] = $k;
- $n++;
- }
- $sortString = "";
- foreach($order as $value){
- if($num_var[$value['val']] == $n)
- $sort = SORT_NUMERIC;
- else
- $sort = SORT_STRING;
-
- if($value['type'] == 'asc')
- $type = SORT_ASC;
- else
- $type = SORT_DESC;
-
- $sortString = $sortString.'$result["'.$value['val'].'"],'.$type.','.$sort.',';
- }
- $sortString = "array_multisort(".$sortString.'$result["oldKey"]);';
-
- @eval($sortString);
- return $result['oldKey'];
- }
-
-
-
- /**
- * Eliminates duplicate results.
- *
- * @param Array $vartable a table that contains the result vars and their bindings
- * @return Array the result table without duplicate results
- */
- protected function distinct($vartable)
- {
- $index = array();
- foreach($vartable as $key => $value){
- $key_index="";
- foreach($value as $k => $v)
- if($v instanceof Object)
- $key_index = $key_index.$k.$v->toString();
- if(isset($index[$key_index]))
- unset($vartable[$key]);
- else
- $index[$key_index]= 1;
- }
- return $vartable;
- }
-
-
- /**
- * Prints a query result as HTML table.
- * You can change the colors in the configuration file.
- *
- * @param array $queryResult [][?VARNAME] = object Node
- * @return void
- */
- public function writeQueryResultAsHtmlTable($queryResult) {
- // Import Package Utility
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_UTILITY);
-
- if ( $queryResult[0] == null) {
- echo 'no match
';
- return;
- }
- if ( $queryResult == 'false') {
- echo 'boolean: false
';
- return;
- }
- if ( $queryResult == 'true') {
- echo 'boolean: true
';
- return;
- }
-
-
- echo '| No. | ';
- foreach ($queryResult[0] as $varName => $value)
- echo "$varName | ";
- echo '
';
-
- foreach ($queryResult as $n => $var) {
-
-
- echo '| ' .($n + 1) .'. | ';
- foreach ($var as $varName => $value) {
- if($value !=''){
- echo INDENTATION . INDENTATION . '';
- echo ' ';
-
- $lang = NULL;
- $dtype = NULL;
- if (is_a($value, 'Literal')) {
- if ($value->getLanguage() != NULL)
- $lang = ' (xml:lang="' . $value->getLanguage() . '") ';
- if ($value->getDatatype() != NULL)
- $dtype = ' (rdf:datatype="' . $value->getDatatype() . '") ';
- }
- echo RDFUtil::getNodeTypeName($value) .$value->getLabel() . $lang . $dtype .' ';
- }else{
- echo " | unbound";
- }
- }
- echo ' |
';
- }
- echo '
';
- }
-
-
-
- /*
- * Dumb getters
- */
-
-
-
- public function getQuery()
- {
- return $this->query;
- }//public function getQuery()
-
-
-
- public function getDataset()
- {
- return $this->dataset;
- }//public function getDataset()
-
-} // end: Class SparqlEngine
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/all-wcprops
deleted file mode 100755
index 9e9e0117..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/all-wcprops
+++ /dev/null
@@ -1,23 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/484/trunk/rdfapi-php/api/sparql/SparqlEngine
-END
-ResultRenderer.php
-K 25
-svn:wc:ra_dav:version-url
-V 92
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer.php
-END
-ResultConverter.php
-K 25
-svn:wc:ra_dav:version-url
-V 93
-/svnroot/rdfapi-php/!svn/ver/484/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultConverter.php
-END
-PreparedStatement.php
-K 25
-svn:wc:ra_dav:version-url
-V 95
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/PreparedStatement.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/entries
deleted file mode 100755
index d1915baf..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/entries
+++ /dev/null
@@ -1,70 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/sparql/SparqlEngine
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-08-12T11:33:13.029340Z
-484
-cweiske
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-ResultRenderer
-dir
-
-ResultRenderer.php
-file
-
-
-
-
-2008-02-29T14:57:45.475578Z
-3931687e275d501be758875979380b0f
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-ResultConverter.php
-file
-
-
-
-
-2008-02-29T14:57:45.475578Z
-ad3a44eccfa94ffb613bc7274648b2ad
-2007-08-12T11:33:13.029340Z
-484
-cweiske
-has-props
-
-PreparedStatement.php
-file
-
-
-
-
-2008-02-29T14:57:45.491199Z
-4dd6460f65bfabc61f5af876f45fc164
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/PreparedStatement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/PreparedStatement.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/PreparedStatement.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultConverter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultConverter.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultConverter.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultRenderer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultRenderer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/prop-base/ResultRenderer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/PreparedStatement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/PreparedStatement.php.svn-base
deleted file mode 100755
index eeac1b0c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/PreparedStatement.php.svn-base
+++ /dev/null
@@ -1,17 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultConverter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultConverter.php.svn-base
deleted file mode 100755
index 42cdedf2..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultConverter.php.svn-base
+++ /dev/null
@@ -1,115 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultConverter
-{
- /**
- * Determines the correct renderer and calls it.
- *
- * The $resultform may be:
- * - false: The default renderer is taken then
- * - an object that implements SparqlEngine_ResultRenderer interface
- * - a string like "HTML" or "XML". The appropriate renderer is used then.
- * - a full class name, e.g. SparqlEngine_ResultRenderer_XML
- *
- * @param array $arVartable Variable table
- * @param SparqlEngine $engine Sparql database engine.
- * @param mixed $resultform Which format the results shall be in (false or "xml")
- *
- * @return mixed Most likely an array or a boolean value,
- * or anything else as determined by $resultform
- */
- public static function convertFromResult($arVartable, SparqlEngine $engine, $resultform = false)
- {
- if (is_object($resultform)) {
- if ($resultform instanceof SparqlEngine_ResultRenderer) {
- return $resultform->convertFromResult(
- $arVartable,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer object needs to implement'
- . ' SparqlEngine_ResultRenderer interface'
- );
- }
- }
-
- if ($resultform === false) {
- $resultform = 'Default';
- } else if ($resultform == 'xml') {
- //kept for BC reasons
- $resultform = 'XML';
- }
-
- if ($strClass = self::loadClass($resultform)) {
- $rrObj = new $strClass();
- if ($rrObj instanceof SparqlEngine_ResultRenderer) {
- return $rrObj->convertFromResult(
- $arVartable,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer class "' . $strClass . '" needs to implement'
- . ' SparqlEngine_ResultRenderer interface'
- );
- }
- } else {
- throw new Exception(
- 'Result renderer class "' . $resultform . '" could not be loaded.'
- );
- }
- }//public static function convertFromResult($arVartable, SparqlEngine $engine, $resultform = false)
-
-
-
- /**
- * Tries to load a given class if it doesn't exist,
- * and returns true if the class can be used.
- *
- * @param string $strClass Classname
- * @return mixed Class name if the class is loaded and can be used, false if not.
- */
- protected static function loadClass($strClass)
- {
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //RAP style, shortcut notation
- $strFile = 'SparqlEngine/ResultRenderer/' . $strClass . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists('SparqlEngine_ResultRenderer_' . $strClass, false)) {
- return 'SparqlEngine_ResultRenderer_' . $strClass;
- }
-
- //RAP style
- $strFile = str_replace('_', '/', $strClass) . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //PEAR style
- @include_once $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- return false;
- }//protected static function loadClass($strClass)
-
-}//class SparqlEngine_ResultConverter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultRenderer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultRenderer.php.svn-base
deleted file mode 100755
index f22afd0c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/.svn/text-base/ResultRenderer.php.svn-base
+++ /dev/null
@@ -1,29 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-interface SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine);
-
-}//interface SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/PreparedStatement.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/PreparedStatement.php
deleted file mode 100755
index 37a97a78..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/PreparedStatement.php
+++ /dev/null
@@ -1,17 +0,0 @@
-
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultConverter.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultConverter.php
deleted file mode 100755
index f08d3567..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultConverter.php
+++ /dev/null
@@ -1,115 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultConverter
-{
- /**
- * Determines the correct renderer and calls it.
- *
- * The $resultform may be:
- * - false: The default renderer is taken then
- * - an object that implements SparqlEngine_ResultRenderer interface
- * - a string like "HTML" or "XML". The appropriate renderer is used then.
- * - a full class name, e.g. SparqlEngine_ResultRenderer_XML
- *
- * @param array $arVartable Variable table
- * @param SparqlEngine $engine Sparql database engine.
- * @param mixed $resultform Which format the results shall be in (false or "xml")
- *
- * @return mixed Most likely an array or a boolean value,
- * or anything else as determined by $resultform
- */
- public static function convertFromResult($arVartable, SparqlEngine $engine, $resultform = false)
- {
- if (is_object($resultform)) {
- if ($resultform instanceof SparqlEngine_ResultRenderer) {
- return $resultform->convertFromResult(
- $arVartable,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer object needs to implement'
- . ' SparqlEngine_ResultRenderer interface'
- );
- }
- }
-
- if ($resultform === false) {
- $resultform = 'Default';
- } else if ($resultform == 'xml') {
- //kept for BC reasons
- $resultform = 'XML';
- }
-
- if ($strClass = self::loadClass($resultform)) {
- $rrObj = new $strClass();
- if ($rrObj instanceof SparqlEngine_ResultRenderer) {
- return $rrObj->convertFromResult(
- $arVartable,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer class "' . $strClass . '" needs to implement'
- . ' SparqlEngine_ResultRenderer interface'
- );
- }
- } else {
- throw new Exception(
- 'Result renderer class "' . $resultform . '" could not be loaded.'
- );
- }
- }//public static function convertFromResult($arVartable, SparqlEngine $engine, $resultform = false)
-
-
-
- /**
- * Tries to load a given class if it doesn't exist,
- * and returns true if the class can be used.
- *
- * @param string $strClass Classname
- * @return mixed Class name if the class is loaded and can be used, false if not.
- */
- protected static function loadClass($strClass)
- {
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //RAP style, shortcut notation
- $strFile = 'SparqlEngine/ResultRenderer/' . $strClass . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists('SparqlEngine_ResultRenderer_' . $strClass, false)) {
- return 'SparqlEngine_ResultRenderer_' . $strClass;
- }
-
- //RAP style
- $strFile = str_replace('_', '/', $strClass) . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //PEAR style
- @include_once $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- return false;
- }//protected static function loadClass($strClass)
-
-}//class SparqlEngine_ResultConverter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer.php
deleted file mode 100755
index 8d7efb6d..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer.php
+++ /dev/null
@@ -1,29 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-interface SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine);
-
-}//interface SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/all-wcprops
deleted file mode 100755
index 4fa0b95a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/all-wcprops
+++ /dev/null
@@ -1,23 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 88
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer
-END
-XML.php
-K 25
-svn:wc:ra_dav:version-url
-V 96
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer/XML.php
-END
-Default.php
-K 25
-svn:wc:ra_dav:version-url
-V 100
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer/Default.php
-END
-HTML.php
-K 25
-svn:wc:ra_dav:version-url
-V 97
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer/HTML.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/entries
deleted file mode 100755
index 997b67a1..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/entries
+++ /dev/null
@@ -1,67 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/sparql/SparqlEngine/ResultRenderer
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-XML.php
-file
-
-
-
-
-2008-02-29T14:57:45.397475Z
-560f228f1283b4826f59cf509940fd35
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-Default.php
-file
-
-
-
-
-2008-02-29T14:57:45.397475Z
-4eb871818f0a7e8db82d5e1977048119
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-HTML.php
-file
-
-
-
-
-2008-02-29T14:57:45.413096Z
-3a8f82e43f05fbf5ba22ab4d48886248
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/Default.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/Default.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/Default.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/HTML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/HTML.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/HTML.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/XML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/XML.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/prop-base/XML.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/Default.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/Default.php.svn-base
deleted file mode 100755
index 7f2860a4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/Default.php.svn-base
+++ /dev/null
@@ -1,262 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_Default implements SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return mixed Most likely an array
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- $result = false;
- $qrf = $this->query->getResultForm();
-
- if ($arVartable != null) {
- switch ($qrf) {
- case 'ask':
- if (count($arVartable) > 0) {
- $result = true;
- } else {
- $result = false;
- }
- break;
- case 'count':
- $result = count($arVartable);
- break;
- case 'construct':
- $result = $this->constructGraph(
- $arVartable,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe':
- $result = $this->describeGraph($arVartable);
- break;
- default:
- $result = $arVartable;
- break;
- }
- } else if ($qrf == 'describe'){
- $result = $this->describeGraph(null);
- } else if ($qrf == 'construct'){
- $result = $this->constructGraph(
- false,
- $this->query->getConstructPattern()
- );
- }
-
- return $result;
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//function constructGraph($arVartable, $constructPattern)
-
-
-
- /**
- * Builds a describing named graph. To define an attribute list for a
- * several rdf:type look at constants.php
- *
- * @param array $arVartable
- * @return MemModel
- */
- function describeGraph($arVartable)
- {
- // build empty named graph
- $resultGraph = new MemModel();
- // if no where clause fill $arVartable
- $vars = $this->query->getResultVars();
- if ($arVartable == null) {
- if ($vars) {
- $arVartable[0] = array('?x' => new Resource(substr($vars[0],1,-1)));
- $vars[0] = '?x';
- }
- }
- // fetch attribute list from constants.php
- global $sparql_describe;
- // for each resultset
- foreach ($arVartable as $resultset) {
- foreach ($vars as $varname) {
- $varvalue = $resultset[$varname];
- // try to determine rdf:type of the variable
- $type = $this->_determineType($varvalue, $resultGraph);
- // search attribute list defined in constants.php
- $list = null;
- if ($type) {
- $strLuri = strtolower($type->getUri());
- if (isset($sparql_describe[$strLuri])) {
- $list = $sparql_describe[$strLuri] ;
- }
- }
- // search in dataset
- $this->_getAttributes($list, $resultGraph, $varvalue);
- }
- }
-
- return $resultGraph;
- }//function describeGraph($arVartable)
-
-
-
- /**
- * Tries to determine the rdf:type of the variable.
- *
- * @param Node $var The variable
- * @param MemModel $resultGraph The result graph which describes the Resource
- * @return String Uri of the rdf:type
- */
- protected function _determineType($var, $resultGraph)
- {
- $type = null;
- // find in namedGraphs
- if (!$var instanceof Literal) {
- $iter = $this->dataset->findInNamedGraphs(
- null,
- $var,
- new Resource(RDF_NAMESPACE_URI.'type'),
- null,
- true
- );
- while ($iter->valid()) {
- $statement = $iter->current();
- $type = $statement->getObject();
- $resultGraph->add($iter->current());
- break;
- }
- }
- // if no type information found find in default graph
- if (!$type) {
- if (!$var instanceof Literal) {
- $iter1 = $this->dataset->findInDefaultGraph(
- $var,
- new Resource(RDF_NAMESPACE_URI.'type'),
- null
- );
- $type = null;
- while ($iter1->valid()) {
- $statement = $iter1->current();
- $type = $statement->getObject();
- $resultGraph->add($iter1->current());
- break;
- }
- }
- }
- return $type;
- }//protected function _determineType($var, $resultGraph)
-
-
-
- /**
- * Search the attributes listed in $list in the dataset.
- * Modifies $resultGraph
- *
- * @param Array $list List containing the attributes
- * @param MemModel $resultGraph The result graph which describes the Resource
- * @return void
- */
- protected function _getAttributes($list, $resultGraph, $varvalue)
- {
- if ($list){
- foreach ($list as $attribute) {
- if (!$varvalue instanceof Literal) {
- $iter2 = $this->dataset->findInNamedGraphs(
- null,
- $varvalue,
- new Resource($attribute),
- null,
- true
- );
- while ($iter2->valid()) {
- $resultGraph->add($iter2->current());
- $iter2->next();
- }
- $iter3 = $this->dataset->findInDefaultGraph(
- $varvalue,
- new Resource($attribute),
- null
- );
- while ($iter3->valid()) {
- $resultGraph->add($iter3->current());
- $iter3->next();
- }
- }
- }
- }
- }//protected function _getAttributes($list, $resultGraph, $varvalue)
-
-
-}//class SparqlEngine_ResultRenderer_Default implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/HTML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/HTML.php.svn-base
deleted file mode 100755
index ae5946a8..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/HTML.php.svn-base
+++ /dev/null
@@ -1,199 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_HTML implements SparqlEngine_ResultRenderer
-{
- /**
- * If the result HTML should be wrapped in a div
- * @var boolean
- */
- protected $bWrap = true;
-
-
-
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return string HTML result
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createTableFromRecords($arVartable);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are currently not supported by the'
- . ' HTML renderer'
- );
-
- case 'count':
- case 'ask':
- $nCount = count($arVartable);
-
- if ($strResultForm == 'ask') {
- $strCode = 'There were results.';
- } else {
- $strCode = 'There are ' . $nCount . ' results.';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- if (!$this->bWrap) {
- return $strCode;
- }
-
- return
- '' . "\n"
- . $strCode . "\n"
- . "
\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function createTableFromRecords($arVartable)
- {
- if (count($arVartable) == 0) {
- return 'No result rows.';
- }
-
- $arResult = array();
- foreach ($arVartable as $row) {
- $arResultRow = array();
- foreach ($row as $strVarName => $value) {
- $arResultRow[$strVarName] = $this->createValue($value);
- }
- $arResult[] = $arResultRow;
- }
-
- //I always wanted to to this :)
- return
- "\n"
- . " SPARQL result with " . count($arResult) . " rows\n"
- . " | "
- . implode(' | ', array_keys(reset($arResult)))
- . " | \n"
- . " \n "
- . implode(
- "
\n ",
- array_map(
- create_function(
- '$ar',
- 'return implode("", $ar);'
- ),
- $arResult
- )
- )
- . "
\n \n"
- . "
\n";
- }//protected function createTableFromRecords($arRecordSets)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createValue($value)
- {
- if ($value === null) {
- $strCode = $this->getHtmlNull();
- }
- if ($value instanceof Literal) {
- $strCode = $this->getHtmlLiteral(
- $value->getLabel(),
- $value->getLanguage(),
- $value->getDatatype()
- );
- } else if ($value instanceof Resource) {
- $strCode = $this->getHtmlResource($value->getURI());
- } else {
- $strCode = $this->getHtmlBlank();
- }
-
- return ''
- . $strCode
- . ' | ';
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- protected function getHtmlNull()
- {
- return 'NULL
';
- }//protected function getHtmlNull()
-
-
-
- protected function getHtmlBlank($value)
- {
- return 'Blank node';
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getHtmlResource($value)
- {
- return htmlspecialchars($value);
- }//protected function getHtmlResource($value)
-
-
-
- protected function getHtmlLiteral($value, $language, $datatype)
- {
- $strCode = htmlspecialchars($value);
- if ($language) {
- $strCode .= '
xml:lang=' . $language;
- }
- if ($datatype) {
- $strCode .= '
rdf:type=' . $datatype;
- }
- return $strCode;
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-}//class SparqlEngine_ResultRenderer_HTML implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/XML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/XML.php.svn-base
deleted file mode 100755
index 4982367d..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/.svn/text-base/XML.php.svn-base
+++ /dev/null
@@ -1,125 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_XML implements SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return string XML result
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- if ($arVartable instanceof NamedGraphMem) {
- return $arVartable->writeRdfToString();
- }
-
- $result = '';
- $header = '';
-
- // build header
- if (is_array($arVartable)) {
- $vars = $this->query->getResultVars();
- $header = '';
- foreach ($vars as $value) {
- $header = $header
- . '';
- }
- $header = $header . '';
-
- // build results
- $solm = $this->query->getSolutionModifier();
- $sel = $this->query->getResultForm();
-
- $distinct = 'false';
- if ($sel == 'select distinct') {
- $distinct = 'true';
- }
-
- $ordered = 'false';
- if ($solm['order by'] != 0) {
- $ordered = 'true';
- }
-
- $results = '';
- foreach ($arVartable as $value) {
- $results = $results.'';
- foreach ($value as $varname => $varvalue) {
- $results = $results
- . $this->_getBindingString(
- substr($varname, 1),
- $varvalue
- );
- }
- $results = $results . '';
- }
- $results = $results . '';
- } else {
- $results = '' . $vartable . '';
- }
-
- $result = $result . $header . $results . '';
- $result = simplexml_load_string($result);
- return $result->asXML();
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- /**
- * Helper Function for function buildXmlResult($vartable). Generates
- * an xml string for a single variable an their corresponding value.
- *
- * @param String $varname The variables name
- * @param Node $varvalue The value of the variable
- * @return String The xml string
- */
- protected function _getBindingString($varname, $varvalue)
- {
- $binding = '';
- $value = '';
-
- if ($varvalue instanceof BlankNode) {
- $value = '' . $varvalue->getLabel() . '';
- } else if ($varvalue instanceof Resource) {
- $value = '' . $varvalue->getUri() . '';
- } else if ($varvalue instanceof Literal) {
- $label = htmlspecialchars($varvalue->getLabel());
- $value = ''.$label.'';
- if ($varvalue->getDatatype() != null) {
- $value = ''
- . $label
- . '';
- }
- if ($varvalue->getLanguage() != null) {
- $value = ''
- . $label
- . '';
- }
- }
- $binding = $binding . $value . '';
-
- return $binding;
- }//protected function _getBindingString($varname, $varvalue)
-
-}//class SparqlEngine_ResultRenderer_XML implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/Default.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/Default.php
deleted file mode 100755
index 5ced9ccb..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/Default.php
+++ /dev/null
@@ -1,262 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_Default implements SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return mixed Most likely an array
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- $result = false;
- $qrf = $this->query->getResultForm();
-
- if ($arVartable != null) {
- switch ($qrf) {
- case 'ask':
- if (count($arVartable) > 0) {
- $result = true;
- } else {
- $result = false;
- }
- break;
- case 'count':
- $result = count($arVartable);
- break;
- case 'construct':
- $result = $this->constructGraph(
- $arVartable,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe':
- $result = $this->describeGraph($arVartable);
- break;
- default:
- $result = $arVartable;
- break;
- }
- } else if ($qrf == 'describe'){
- $result = $this->describeGraph(null);
- } else if ($qrf == 'construct'){
- $result = $this->constructGraph(
- false,
- $this->query->getConstructPattern()
- );
- }
-
- return $result;
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//function constructGraph($arVartable, $constructPattern)
-
-
-
- /**
- * Builds a describing named graph. To define an attribute list for a
- * several rdf:type look at constants.php
- *
- * @param array $arVartable
- * @return MemModel
- */
- function describeGraph($arVartable)
- {
- // build empty named graph
- $resultGraph = new MemModel();
- // if no where clause fill $arVartable
- $vars = $this->query->getResultVars();
- if ($arVartable == null) {
- if ($vars) {
- $arVartable[0] = array('?x' => new Resource(substr($vars[0],1,-1)));
- $vars[0] = '?x';
- }
- }
- // fetch attribute list from constants.php
- global $sparql_describe;
- // for each resultset
- foreach ($arVartable as $resultset) {
- foreach ($vars as $varname) {
- $varvalue = $resultset[$varname];
- // try to determine rdf:type of the variable
- $type = $this->_determineType($varvalue, $resultGraph);
- // search attribute list defined in constants.php
- $list = null;
- if ($type) {
- $strLuri = strtolower($type->getUri());
- if (isset($sparql_describe[$strLuri])) {
- $list = $sparql_describe[$strLuri] ;
- }
- }
- // search in dataset
- $this->_getAttributes($list, $resultGraph, $varvalue);
- }
- }
-
- return $resultGraph;
- }//function describeGraph($arVartable)
-
-
-
- /**
- * Tries to determine the rdf:type of the variable.
- *
- * @param Node $var The variable
- * @param MemModel $resultGraph The result graph which describes the Resource
- * @return String Uri of the rdf:type
- */
- protected function _determineType($var, $resultGraph)
- {
- $type = null;
- // find in namedGraphs
- if (!$var instanceof Literal) {
- $iter = $this->dataset->findInNamedGraphs(
- null,
- $var,
- new Resource(RDF_NAMESPACE_URI.'type'),
- null,
- true
- );
- while ($iter->valid()) {
- $statement = $iter->current();
- $type = $statement->getObject();
- $resultGraph->add($iter->current());
- break;
- }
- }
- // if no type information found find in default graph
- if (!$type) {
- if (!$var instanceof Literal) {
- $iter1 = $this->dataset->findInDefaultGraph(
- $var,
- new Resource(RDF_NAMESPACE_URI.'type'),
- null
- );
- $type = null;
- while ($iter1->valid()) {
- $statement = $iter1->current();
- $type = $statement->getObject();
- $resultGraph->add($iter1->current());
- break;
- }
- }
- }
- return $type;
- }//protected function _determineType($var, $resultGraph)
-
-
-
- /**
- * Search the attributes listed in $list in the dataset.
- * Modifies $resultGraph
- *
- * @param Array $list List containing the attributes
- * @param MemModel $resultGraph The result graph which describes the Resource
- * @return void
- */
- protected function _getAttributes($list, $resultGraph, $varvalue)
- {
- if ($list){
- foreach ($list as $attribute) {
- if (!$varvalue instanceof Literal) {
- $iter2 = $this->dataset->findInNamedGraphs(
- null,
- $varvalue,
- new Resource($attribute),
- null,
- true
- );
- while ($iter2->valid()) {
- $resultGraph->add($iter2->current());
- $iter2->next();
- }
- $iter3 = $this->dataset->findInDefaultGraph(
- $varvalue,
- new Resource($attribute),
- null
- );
- while ($iter3->valid()) {
- $resultGraph->add($iter3->current());
- $iter3->next();
- }
- }
- }
- }
- }//protected function _getAttributes($list, $resultGraph, $varvalue)
-
-
-}//class SparqlEngine_ResultRenderer_Default implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/HTML.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/HTML.php
deleted file mode 100755
index 2741f227..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/HTML.php
+++ /dev/null
@@ -1,199 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_HTML implements SparqlEngine_ResultRenderer
-{
- /**
- * If the result HTML should be wrapped in a div
- * @var boolean
- */
- protected $bWrap = true;
-
-
-
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return string HTML result
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createTableFromRecords($arVartable);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are currently not supported by the'
- . ' HTML renderer'
- );
-
- case 'count':
- case 'ask':
- $nCount = count($arVartable);
-
- if ($strResultForm == 'ask') {
- $strCode = 'There were results.';
- } else {
- $strCode = 'There are ' . $nCount . ' results.';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- if (!$this->bWrap) {
- return $strCode;
- }
-
- return
- '' . "\n"
- . $strCode . "\n"
- . "
\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function createTableFromRecords($arVartable)
- {
- if (count($arVartable) == 0) {
- return 'No result rows.';
- }
-
- $arResult = array();
- foreach ($arVartable as $row) {
- $arResultRow = array();
- foreach ($row as $strVarName => $value) {
- $arResultRow[$strVarName] = $this->createValue($value);
- }
- $arResult[] = $arResultRow;
- }
-
- //I always wanted to to this :)
- return
- "\n"
- . " SPARQL result with " . count($arResult) . " rows\n"
- . " | "
- . implode(' | ', array_keys(reset($arResult)))
- . " | \n"
- . " \n "
- . implode(
- "
\n ",
- array_map(
- create_function(
- '$ar',
- 'return implode("", $ar);'
- ),
- $arResult
- )
- )
- . "
\n \n"
- . "
\n";
- }//protected function createTableFromRecords($arRecordSets)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createValue($value)
- {
- if ($value === null) {
- $strCode = $this->getHtmlNull();
- }
- if ($value instanceof Literal) {
- $strCode = $this->getHtmlLiteral(
- $value->getLabel(),
- $value->getLanguage(),
- $value->getDatatype()
- );
- } else if ($value instanceof Resource) {
- $strCode = $this->getHtmlResource($value->getURI());
- } else {
- $strCode = $this->getHtmlBlank();
- }
-
- return ''
- . $strCode
- . ' | ';
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- protected function getHtmlNull()
- {
- return 'NULL
';
- }//protected function getHtmlNull()
-
-
-
- protected function getHtmlBlank($value)
- {
- return 'Blank node';
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getHtmlResource($value)
- {
- return htmlspecialchars($value);
- }//protected function getHtmlResource($value)
-
-
-
- protected function getHtmlLiteral($value, $language, $datatype)
- {
- $strCode = htmlspecialchars($value);
- if ($language) {
- $strCode .= '
xml:lang=' . $language;
- }
- if ($datatype) {
- $strCode .= '
rdf:type=' . $datatype;
- }
- return $strCode;
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-}//class SparqlEngine_ResultRenderer_HTML implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/XML.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/XML.php
deleted file mode 100755
index 9bbef27b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngine/ResultRenderer/XML.php
+++ /dev/null
@@ -1,125 +0,0 @@
-
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngine_ResultRenderer_XML implements SparqlEngine_ResultRenderer
-{
- /**
- * Converts the database results into the output format
- * and returns the result.
- *
- * @param array $arVartable Variable table
- * @param Query $query SPARQL query object
- * @param SparqlEngine $engine Sparql Engine to query the database
- * @return string XML result
- */
- public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->dataset = $engine->getDataset();
-
- if ($arVartable instanceof NamedGraphMem) {
- return $arVartable->writeRdfToString();
- }
-
- $result = '';
- $header = '';
-
- // build header
- if (is_array($arVartable)) {
- $vars = $this->query->getResultVars();
- $header = '';
- foreach ($vars as $value) {
- $header = $header
- . '';
- }
- $header = $header . '';
-
- // build results
- $solm = $this->query->getSolutionModifier();
- $sel = $this->query->getResultForm();
-
- $distinct = 'false';
- if ($sel == 'select distinct') {
- $distinct = 'true';
- }
-
- $ordered = 'false';
- if ($solm['order by'] != 0) {
- $ordered = 'true';
- }
-
- $results = '';
- foreach ($arVartable as $value) {
- $results = $results.'';
- foreach ($value as $varname => $varvalue) {
- $results = $results
- . $this->_getBindingString(
- substr($varname, 1),
- $varvalue
- );
- }
- $results = $results . '';
- }
- $results = $results . '';
- } else {
- $results = '' . $vartable . '';
- }
-
- $result = $result . $header . $results . '';
- $result = simplexml_load_string($result);
- return $result->asXML();
- }//public function convertFromResult($arVartable, Query $query, SparqlEngine $engine)
-
-
-
- /**
- * Helper Function for function buildXmlResult($vartable). Generates
- * an xml string for a single variable an their corresponding value.
- *
- * @param String $varname The variables name
- * @param Node $varvalue The value of the variable
- * @return String The xml string
- */
- protected function _getBindingString($varname, $varvalue)
- {
- $binding = '';
- $value = '';
-
- if ($varvalue instanceof BlankNode) {
- $value = '' . $varvalue->getLabel() . '';
- } else if ($varvalue instanceof Resource) {
- $value = '' . $varvalue->getUri() . '';
- } else if ($varvalue instanceof Literal) {
- $label = htmlspecialchars($varvalue->getLabel());
- $value = ''.$label.'';
- if ($varvalue->getDatatype() != null) {
- $value = ''
- . $label
- . '';
- }
- if ($varvalue->getLanguage() != null) {
- $value = ''
- . $label
- . '';
- }
- }
- $binding = $binding . $value . '';
-
- return $binding;
- }//protected function _getBindingString($varname, $varvalue)
-
-}//class SparqlEngine_ResultRenderer_XML implements SparqlEngine_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb.php
deleted file mode 100755
index 4e7050d0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb.php
+++ /dev/null
@@ -1,391 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb
-{
- /**
- * Sparql Query object.
- *
- * @var Query
- */
- protected $query;
-
- /**
- * RDF dataset object.
- * @var Dataset
- */
- protected $dataset;
-
- /**
- * Database connection object.
- * @var ADOConnection
- */
- protected $dbConn;
-
- /**
- * Internal ID for our graph model.
- * Stored in the database along the statements.
- * Can be of different types:
- * - array: array of modelIds
- * - null: all models
- *
- * @var array OR null
- */
- protected $arModelIds;
-
- /**
- * Prepared SQL statements are stored in here.
- * @var array
- */
- protected $arPrepared = null;
-
- /**
- * If the prepared statement is really prepared, or if we just emulate it.
- * @var boolean
- */
- protected $bRealPrepared = false;
-
- /**
- * SQL generator instance
- * @var SparqlEngineDb_SqlGenerator
- */
- protected $sg = null;
-
- /**
- * Type sorting instance
- * @var SparqlEngineDb_TypeSorter
- */
- protected $ts = null;
-
- /**
- * Prepared statments preparator instance
- * @var SparqlEngineDb_Preparator
- */
- protected $pr = null;
-
-
-
- /**
- * Use SparqlEngine::factory() to create the instance
- *
- * @param mixed $model DbModel or DbStore
- * @param mixed $arModelIds Array of modelIds, or NULL to use all models
- */
- public function __construct($model, $arModelIds = null)
- {
- //parent::__construct();
- if ($model instanceof DbModel) {
- $this->dbConn = $model->getDbConn();
- $this->arModelIds = array($model->getModelID());
- } else if ($model instanceof DbStore) {
- $this->dbConn = $model->getDbConn();
- $this->arModelIds = $arModelIds;
- }
- }//public function __construct(DbModel $model, $arModelIds = null)
-
-
-
- /**
- * Query the database with the given SPARQL query.
- *
- *
- * @param Dataset $dataset RDF Dataset
- * @param Query $query Parsed SPARQL query
- * @param string $resultform Result form. If set to 'xml' the result will be
- * SPARQL Query Results XML Format as described in http://www.w3.org/TR/rdf-sparql-XMLres/ .
- *
- * @return array/string array of triple arrays, or XML. Format depends on
- * $resultform parameter.
- */
- public function queryModel($dataset, Query $query, $resultform = false)
- {
- if (isset($GLOBALS['debugSparql']) && $GLOBALS['debugSparql']) {
- echo "\n" . 'SPARQL query: ' . $query->getQueryString() . "\n";
- }
-
- $this->query = $query;
- $this->dataset = $dataset;
-
- $qsimp = new SparqlEngineDb_QuerySimplifier();
- $qsimp->simplify($this->query);
-
- $this->sg = new SparqlEngineDb_SqlGenerator ($this->query, $this->dbConn, $this->arModelIds);
- $this->rc = new SparqlEngineDb_ResultConverter($this->query, $this->sg, $this);
- $this->ts = new SparqlEngineDb_TypeSorter ($this->query, $this->dbConn);
-
- $this->setOptions();
-
- if ($this->query->isEmpty()){
- $vartable[0]['patternResult'] = null;
- return $this->returnResult($vartable, $resultform);
- }
-
-
- $arSqls = $this->sg->createSql();
- $this->ts->setData($this->sg);
-
- return
- SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->queryMultiple(
- $this->ts->getOrderifiedSqls(
- $arSqls
- )
- ),
- $this,
- $resultform
- );
- }//public function queryModel($dataset, Query $query, $resultform = false)
-
-
-
- /**
- * Create a prepared statement that can be executed later.
- *
- * @param Dataset $dataset RDF Dataset
- * @param Query $query Parsed SPARQL query
- *
- * @return SparqlEngineDb_PreparedStatement Prepared statment that can
- * be execute()d later.
- */
- public function prepare(Dataset $dataset, Query $query)
- {
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb/PreparedStatement.php';
- require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb/Preparator.php';
-
- $this->query = $query;
- $this->dataset = $dataset;
- $this->sg = new SparqlEngineDb_SqlGenerator ($this->query, $this->dbConn, $this->arModelIds);
- $this->rc = new SparqlEngineDb_ResultConverter($this->query, $this->sg, $this);
- $this->ts = new SparqlEngineDb_TypeSorter ($this->query, $this->dbConn);
- $this->pr = new SparqlEngineDb_Preparator ($this->query, $this->dbConn);
-
- $this->arPrepared = $this->sg->createSql();
- $this->ts->setData($this->sg);
-
- if ($this->ts->willBeDataDependent()) {
- $this->bRealPrepared = false;
- } else {
- $this->bRealPrepared = true;
- list($strSelect, $strFrom, $strWhere) = $this->arPrepared;
- $this->arPreparedQueries = $this->ts->getOrderifiedSqls(
- $strSelect,
- $strFrom,
- $strWhere
- );
- $this->arDbStatements = $this->pr->prepareInDb(
- $this->arPreparedQueries,
- $this->sg->getPlaceholders()
- );
- }
-
-
- return new SparqlEngineDb_PreparedStatement(
- $this
- );
- }//public function prepare(Dataset $dataset, Query $query)
-
-
-
- /**
- * Execute a prepared statement by filling it with variables
- *
- * @param array $arVariables Array with (variable name => value) pairs
- * @param string $resultform Which form the result should have
- *
- * @return mixed Result according to $resultform
- */
- public function execute($arVariables, $resultform = false)
- {
- if ($this->arPrepared === null) {
- throw new Exception('You need to prepare() the query first.');
- }
-
- if ($this->bRealPrepared) {
- return
- SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->pr->execute(
- $this->arDbStatements,
- $arVariables
- ),
- $this,
- $resultform
- );
- } else {
- list($strSelect, $strFrom, $strWhere) = $this->arPrepared;
-
- return SparqlEngineDb_ResultConverter::convertFromDbResults(
- $this->queryMultiple(
- $this->ts->getOrderifiedSqls(
- $strSelect,
- $strFrom,
- $this->pr->replacePlaceholdersWithVariables(
- $strWhere,
- $this->sg->getPlaceholders(),
- $arVariables
- )
- )
- ),
- $this,
- $resultform
- );
- }
- }//public function execute($arVariables, $resultform)
-
-
-
- /**
- * Executes multiple SQL queries and returns an array
- * of results.
- *
- * @param array $arSqls Array of SQL queries
- * @return array Array of query results
- */
- protected function queryMultiple($arSqls)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['limit'] === null && $arSM['offset'] === null) {
- $nOffset = 0;
- $nLimit = null;
- $nSql = 0;
- } else {
- $offsetter = new SparqlEngineDb_Offsetter($this->dbConn, $this->query);
- list($nSql, $nOffset) = $offsetter->determineOffset($arSqls);
- $nLimit = $arSM['limit'];
- }
-
- $nCount = 0;
- $arResults = array();
- foreach ($arSqls as $nId => $arSql) {
- if ($nId < $nSql) { continue; }
-
- if ($nLimit != null) {
- $nCurrentLimit = $nLimit - $nCount;
- } else {
- $nCurrentLimit = null;
- }
-
- $dbResult = $this->queryDb($arSql, $nOffset, $nCurrentLimit);
- $nCount += $dbResult->RowCount();
- $arResults[] = $dbResult;
- $nOffset = 0;
- if ($nLimit !== null && $nCount >= $nLimit) {
- break;
- }
- }
-
- return $arResults;
- //return array_map(array($this, 'queryDb'), $arSql);
- }//protected function queryMultiple($arSql)
-
-
-
- /**
- * Sends the sql to the database and returns the results.
- *
- * @internal Switches between ADOConnection::Execute() and
- * ADOConnection::SelectLimit() depending on the $query parameter's
- * $solutionModifier "limit" and "offset" settings.
- * Uses $query variable.
- *
- * @param array $arSql Array that gets a SQL query string once imploded
- *
- * @return mixed Anything ADOConnection::Execute() may return
- * @throws Exception If Database query does not work
- */
- function queryDb($arSql, $nOffset, $nLimit)
- {
- $strSql = SparqlEngineDb_SqlMerger::getSelect($this->query, $arSql);
-
- if ($strSql == '()') {
- return new ADORecordSet(false);
- }
-
- // I want associative arrays.
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
-
- if (isset($GLOBALS['debugSparql']) && $GLOBALS['debugSparql']) {
- echo 'SQL query: ' . $strSql . "\n";
- }
-
- if ($nLimit === null && $nOffset == 0) {
- $ret = $this->dbConn->execute($strSql);
- } else if ($nLimit === null) {
- $ret = $this->dbConn->SelectLimit($strSql, -1, $nOffset);
- } else {
- $ret = $this->dbConn->SelectLimit($strSql, $nLimit, $nOffset);
- }
-
- //... but others maybe not
- $this->dbConn->SetFetchMode($oldmode);
-
- if (!$ret) {
- //Error occured
- throw new Exception(
- 'ADOdb error: ' . $this->dbConn->ErrorMsg() . "\n"
- . $strSql
- );
- }
-
- return $ret;
- }//function queryDb($sql)
-
-
-
- /**
- * Set options to subobjects like SqlGenerator
- */
- protected function setOptions()
- {
- //allow changing the statements' table name
- if (isset($GLOBALS['RAP']['conf']['database']['tblStatements'])) {
- $this->sg->setStatementsTable(
- $GLOBALS['RAP']['conf']['database']['tblStatements']
- );
- }
- }//protected function setOptions()
-
-
-
- /*
- * Dumb getters
- */
-
-
-
- public function getQuery()
- {
- return $this->query;
- }//public function getQuery()
-
-
-
- public function getSqlGenerator()
- {
- return $this->sg;
- }//public function getSqlGenerator()
-
-
-
- public function getTypeSorter()
- {
- return $this->ts;
- }//public function getTypeSorter()
-
-}//class SparqlEngineDb
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/all-wcprops
deleted file mode 100755
index 470b7a26..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/all-wcprops
+++ /dev/null
@@ -1,71 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/554/trunk/rdfapi-php/api/sparql/SparqlEngineDb
-END
-QuerySimplifier.php
-K 25
-svn:wc:ra_dav:version-url
-V 95
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/QuerySimplifier.php
-END
-FilterGenerator.php
-K 25
-svn:wc:ra_dav:version-url
-V 95
-/svnroot/rdfapi-php/!svn/ver/476/trunk/rdfapi-php/api/sparql/SparqlEngineDb/FilterGenerator.php
-END
-Preparator.php
-K 25
-svn:wc:ra_dav:version-url
-V 90
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/Preparator.php
-END
-TypeSorter.php
-K 25
-svn:wc:ra_dav:version-url
-V 90
-/svnroot/rdfapi-php/!svn/ver/536/trunk/rdfapi-php/api/sparql/SparqlEngineDb/TypeSorter.php
-END
-Offsetter.php
-K 25
-svn:wc:ra_dav:version-url
-V 89
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/Offsetter.php
-END
-SqlMerger.php
-K 25
-svn:wc:ra_dav:version-url
-V 89
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/SqlMerger.php
-END
-ResultRenderer.php
-K 25
-svn:wc:ra_dav:version-url
-V 94
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer.php
-END
-SqlGeneratorException.php
-K 25
-svn:wc:ra_dav:version-url
-V 101
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/SqlGeneratorException.php
-END
-ResultConverter.php
-K 25
-svn:wc:ra_dav:version-url
-V 95
-/svnroot/rdfapi-php/!svn/ver/485/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultConverter.php
-END
-SqlGenerator.php
-K 25
-svn:wc:ra_dav:version-url
-V 92
-/svnroot/rdfapi-php/!svn/ver/472/trunk/rdfapi-php/api/sparql/SparqlEngineDb/SqlGenerator.php
-END
-PreparedStatement.php
-K 25
-svn:wc:ra_dav:version-url
-V 97
-/svnroot/rdfapi-php/!svn/ver/465/trunk/rdfapi-php/api/sparql/SparqlEngineDb/PreparedStatement.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/entries
deleted file mode 100755
index f511e2e0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/entries
+++ /dev/null
@@ -1,173 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/sparql/SparqlEngineDb
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-12-05T08:18:50.037887Z
-554
-fusel2k
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-QuerySimplifier.php
-file
-
-
-
-
-2008-02-29T14:57:47.115741Z
-3c0ba98e3c6ea3d594c3645c2f779917
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-
-FilterGenerator.php
-file
-
-
-
-
-2008-02-29T14:57:47.131362Z
-f4ced98870e781243de014d5f6340364
-2007-08-08T13:48:22.439560Z
-476
-cweiske
-has-props
-
-ResultRenderer
-dir
-
-Preparator.php
-file
-
-
-
-
-2008-02-29T14:57:47.131362Z
-51f969eeaaaca65372f53ecd720dc9e6
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-TypeSorter.php
-file
-
-
-
-
-2008-02-29T14:57:47.146983Z
-130848f8c0cc36f263774a7d3e711f2d
-2007-08-20T17:21:35.303811Z
-536
-cweiske
-has-props
-
-Offsetter.php
-file
-
-
-
-
-2008-02-29T14:57:47.146983Z
-73910f040f4deed2439301a2a1f9fc1a
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-SqlMerger.php
-file
-
-
-
-
-2008-02-29T14:57:47.162603Z
-f2ed9300171a830350ca217f11238649
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-ResultRenderer.php
-file
-
-
-
-
-2008-02-29T14:57:47.162603Z
-f293569f66b31ebadf3b53e7c67467fe
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-SqlGeneratorException.php
-file
-
-
-
-
-2008-02-29T14:57:47.178224Z
-f9e0b14e53c647017827ed143e481a0a
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
-ResultConverter.php
-file
-
-
-
-
-2008-02-29T14:57:47.178224Z
-b996d6f54e8963884e3c5b0775b29f36
-2007-08-12T11:33:30.127896Z
-485
-cweiske
-has-props
-
-SqlGenerator.php
-file
-
-
-
-
-2008-02-29T14:57:47.193844Z
-bb0e74447781677e82d9927b2b2f5cb5
-2007-08-02T21:19:57.083490Z
-472
-cweiske
-has-props
-
-PreparedStatement.php
-file
-
-
-
-
-2008-02-29T14:57:47.193844Z
-4094f6cd26373a4ebbab87d395b6b806
-2007-06-27T16:47:57.067358Z
-465
-cweiske
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/FilterGenerator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/FilterGenerator.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/FilterGenerator.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Offsetter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Offsetter.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Offsetter.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Preparator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Preparator.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/Preparator.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/PreparedStatement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/PreparedStatement.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/PreparedStatement.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultConverter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultConverter.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultConverter.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultRenderer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultRenderer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/ResultRenderer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGenerator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGenerator.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGenerator.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGeneratorException.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGeneratorException.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlGeneratorException.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlMerger.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlMerger.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/SqlMerger.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/TypeSorter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/TypeSorter.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/prop-base/TypeSorter.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/FilterGenerator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/FilterGenerator.php.svn-base
deleted file mode 100755
index abc7cba3..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/FilterGenerator.php.svn-base
+++ /dev/null
@@ -1,846 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_FilterGenerator
-{
- /**
- * SQL Generator
- * @var SparqlEngineDb_SqlGenerator
- */
- protected $sg = null;
-
- /**
- * If the filter is in an optional statement
- * @var boolean
- */
- protected $bOptional = false;
-
- /**
- * Number of parameters for the functions supported.
- * First value is minimum, second is maximum.
- * @var array
- */
- protected static $arFuncParamNumbers = array(
- 'bound' => array(1, 1),
- 'datatype' => array(1, 1),
- 'isblank' => array(1, 1),
- 'isiri' => array(1, 1),
- 'isliteral' => array(1, 1),
- 'isuri' => array(1, 1),
- 'lang' => array(1, 1),
- 'langmatches' => array(2, 2),
- 'regex' => array(2, 3),
- 'sameterm' => array(2, 2),
- 'str' => array(1, 1),
- 'xsd:datetime' => array(1, 1),
- );
-
- /**
- * List of operators and their counterpart if operands are switched.
- * (a > b) => (b < a)
- * @var array
- */
- protected static $arOperatorSwitches = array(
- '>' => '<',
- '<' => '>',
- '>=' => '<=',
- '<=' => '>=',
- );
-
- protected static $arDumbOperators = array(
- '&&', '||'
- );
-
- protected static $typeXsdBoolean = 'http://www.w3.org/2001/XMLSchema#boolean';
- protected static $typeXsdDateTime = 'http://www.w3.org/2001/XMLSchema#dateTime';
- protected static $typeXsdDouble = 'http://www.w3.org/2001/XMLSchema#double';
- protected static $typeXsdInteger = 'http://www.w3.org/2001/XMLSchema#integer';
- protected static $typeXsdString = 'http://www.w3.org/2001/XMLSchema#string';
- protected static $typeVariable = 'variable';
-
-
-
- public function __construct(SparqlEngineDb_SqlGenerator $sg)
- {
- $this->sg = $sg;
- }//public function __construct(SparqlEngineDb_SqlGenerator $sqlgen)
-
-
-
- /**
- * Creates the SQL representing a Sparql FILTER.
- *
- * @param array $tree Filter element tree as returned by
- * SparqlParser::parseConstraintTree()
- * @param boolean $bOptional If the filter is in an optional statement
- * @return string SQL WHERE part with prefixed AND
- */
- public function createFilterSql($tree, $bOptional, $nUnionCount)
- {
- if (count($tree) == 0) {
- //empty filter pattern?
- return '';
- }
-
- $this->bOptional = $bOptional;
- $this->nUnionCount = $nUnionCount;
-
- return ' AND ' . $this->createTreeSql($tree, null);
- }//public function createFilterSql($tree)
-
-
-
- /**
- *
- */
- protected function createTreeSql($tree, $parent)
- {
- switch ($tree['type']) {
- case 'equation':
- $sql = $this->createEquation($tree);
- break;
- case 'value':
- if ($parent != null) {
- $bDumbParent = $parent['type'] == 'equation'
- && in_array($parent['operator'], self::$arDumbOperators);
- } else {
- $bDumbParent = true;
- }
- $sql = $this->createValue($tree, $bDumbParent);
- break;
- case 'function':
- $sql = $this->createFunction($tree);
- break;
- default:
- //var_dump($tree);
- throw new SparqlEngineDb_SqlGeneratorException('Unsupported tree type: ' . $tree['type']);
- break;
- }
-
- if (isset($tree['negated'])) {
- $sql = '!(' . $sql . ')';
- }
-
- return $sql;
- }//protected function createTreeSql($tree, $strParentType)
-
-
-
- /**
- * Creates the sql for an element of type "value".
- *
- * @param array $tree Element
- * @param boolean $bDumbParent True if the parent is a boolean equation or null.
- */
- protected function createValue($tree, $bDumbParent)
- {
- $strValue = stripslashes($tree['value']);
- if (SparqlVariable::isVariable($strValue)) {
- if (!isset($this->sg->arUnionVarAssignments[$this->nUnionCount][$strValue])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unknown variable in filter: ' . $strValue
- );
- }
-
- if ($bDumbParent) {
- return $this->createBooleanValue($tree);
- } else if ($this->isObject($tree)) {
- //convert datetime to datetime if necessary
- return self::mkVal(
- '(CASE'
- . ' WHEN ' . $this->getDatatypeCol($tree) . ' = "' . self::$typeXsdBoolean . '"'
- . ' THEN IF(LOWER(' . $this->getValueCol($tree) . ') = "true", TRUE, FALSE)'
- . ' ELSE ' . $this->getValueCol($tree)
- . ' END)',
- self::$typeVariable
- );
- } else {
- return self::mkVal(
- $this->getValueCol($tree),
- self::$typeVariable
- );
- }
- }
-
- if ($this->isNumber($tree)) {
- return $strValue;
- } else if ($tree['quoted'] === false &&
- (!isset($tree['datatype']) || $tree['datatype'] != self::$typeXsdBoolean)
- ) {
- $strValueNew = $this->sg->query->getFullUri($strValue);
- if ($strValueNew === false) {
- if ($strValue[0] == '<' && substr($strValue, -1) == '>') {
- $strValue = substr($strValue, 1, -1);
- } else {
-var_dump($tree);
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unexpected value "' . $strValue . '" (expected datatype)'
- );
- }
- } else {
- $strValue = $strValueNew;
- }
- } else if (isset($tree['datatype'])) {
- switch ($tree['datatype']) {
- case self::$typeXsdBoolean:
- if (strtolower($strValue) == 'false') {
- //fix: (bool)"false" === true
- $strValue = false;
- }
- return self::mkVal(
- (bool)$strValue ? 'TRUE' : 'FALSE',
- self::$typeXsdBoolean
- );
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported datatype "' . $tree['datatype']
- );
- }
- }
-
- return self::mkVal(
- '"' . addslashes($strValue) . '"',
- self::$typeXsdString
- );
- }//protected function createValue($tree)
-
-
-
- protected function createBooleanValue($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- if (!$this->isObject($tree)) {
- //Maybe needs a fix
- $strSqlCol = SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType]['value'];
- return self::mkVal(
- $strTable . '.' . $strSqlCol . ' != ""',
- self::$typeXsdBoolean
- );
- }
-
- $cType = $strTable . '.l_datatype';
- $cValue = $strTable . '.object';
- $xsd = 'http://www.w3.org/2001/XMLSchema';
-
- return self::mkVal(
- '('
- . "(($cType = '' || $cType = '$xsd#string') AND $cValue != '')"
- . " OR ($cType = '$xsd#boolean' AND $cValue != 'false')"
- . " OR (($cType = '$xsd#integer' || $cType = '$xsd#double') AND CAST($cValue AS DECIMAL(15,10)) != 0)"
- //plain check for all unknown datatypes
- . " OR ($cType != '' AND $cType != '$xsd#string' AND $cType != '$xsd#boolean' AND $cType != '$xsd#integer' AND $cType != '$xsd#double' AND $cValue != '')"
- . ')',
- self::$typeXsdBoolean
- );
- }//protected function createBooleanValue($tree)
-
-
-
- protected function createFunction($tree)
- {
- $strFuncName = strtolower($tree['name']);
- if (!isset(self::$arFuncParamNumbers[$strFuncName])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported FILTER function: ' . $strFuncName
- );
- }
-
- $nParams = count($tree['parameter']);
- if ($nParams < self::$arFuncParamNumbers[$strFuncName][0]
- || $nParams > self::$arFuncParamNumbers[$strFuncName][1]
- ) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Wrong parameter count for FILTER function: ' . $strFuncName
- . ' (got ' . $nParams . ', expected '
- . self::$arFuncParamNumbers[$strFuncName][0]
- . '-' . self::$arFuncParamNumbers[$strFuncName][1]
- );
- }
-
- $strThisFunc = 'createFunction_' . str_replace(':', '_', $strFuncName);
- return $this->$strThisFunc($tree);
- }//protected function createFunction($tree)
-
-
-
- protected function createEquation($tree)
- {
- $strExtra = '';
- $strIsNull = '';
- $strIsNullEnd = '';
-
- if (($this->isNumber($tree['operand1']) || $this->isPlainString($tree['operand1']))
- && $this->isObject($tree['operand2'])
- ) {
- //switch operands and operator
- $tmp = $tree['operand1'];
- $tree['operand1'] = $tree['operand2'];
- $tree['operand2'] = $tmp;
- $tree['operator'] = self::switchOperator($tree['operator']);
- }
-
- $val1 = $this->createTreeSql($tree['operand1'], $tree);
- $val2 = $this->createTreeSql($tree['operand2'], $tree);
-
- if ($this->isObject($tree['operand1'])) {
- if ($this->bOptional) {
- $strIsNull = '(';
- $strIsNullEnd = ' OR ' . $val1 . ' IS NULL)';
- }
- if (isset($tree['operand2']['language'])) {
- $strColLanguage = $this->getLangCol($tree['operand1']);
- $strExtra .= ' AND ' . $strColLanguage . ' = "'
- . addslashes($tree['operand2']['language'])
- . '"';
- }
-
- if ($this->isNumber($tree['operand2'])) {
- $strColDatatype = $this->getDatatypeCol($tree['operand1']);
- $strExtra .= ' AND (' . $strColDatatype . ' = "' . self::$typeXsdDouble . '"'
- . ' OR ' . $strColDatatype . ' = "' . self::$typeXsdInteger . '"'
- . ')';
- return $strIsNull . '('
- . 'CAST(' . $val1 . ' AS DECIMAL(15,10))'
- . ' ' . $tree['operator'] . ' '
- . $val2
- . $strExtra
- . ')' . $strIsNullEnd;
- }
- }
-
- //I don't check the operator since it is already checked in the parser
- return $strIsNull . '('
- . '('
- . $val1
- . ' ' . $tree['operator'] . ' '
- . $val2
- . $strExtra
- . ')'
- . $this->createTypeEquation(
- $tree['operator'], $val1, $val2,
- $tree['operand1'], $tree['operand2']
- )
- . ')' . $strIsNullEnd;
- }//protected function createEquation($tree)
-
-
-
- /**
- * Generates sql code to make sure the datatypes of the two operands match
- */
- protected function createTypeEquation($operator, $val1, $val2, $tree1, $tree2)
- {
- if (in_array($operator, array('&&', '||'))) {
- return '';
- }
-
- if ($val1->type != self::$typeVariable && $val2->type != self::$typeVariable) {
- //both are not variables -> type needs to be the same
- return $val1->type == $val2->type ? '' : ' AND FALSE';
- }
- $so1 = $this->isObjectOrSubject($tree1);
- $so2 = $this->isObjectOrSubject($tree2);
- $o1 = $this->isObject($tree1);
- $o2 = $this->isObject($tree2);
-
- if ($so1 && $so2) {
- $sql = ' AND ' . $this->getIsCol($tree1) . ' = ' . $this->getIsCol($tree2);
- if ($o1 && $o2) {
- //maybe needs string fix
- $sql .= ' AND ' . $this->getDatatypeCol($tree1) . ' = '
- . $this->getDatatypeCol($tree2);
- }
- return $sql;
- }
-
- if ($o1 && $val2->type != self::$typeVariable) {
- return $this->createSingleTypeCheck($val2, $tree1);
- } else if ($o2 && $val1->type != self::$typeVariable) {
- return $this->createSingleTypeCheck($val1, $tree2);
- }
-
- //fixme
- return '';
- }//protected function createTypeEquation($operator, $val1, $val2, $tree1, $tree2)
-
-
-
- /**
- * Creates sql to ensure the type between $val and variable $tree
- * is the same.
- */
- protected function createSingleTypeCheck($val, $tree)
- {
- if ($val->type == self::$typeXsdString) {
- //string can be empty type or xsd type
- return ' AND ('
- . $this->getDatatypeCol($tree) . ' = "' . $val->type . '"'
- . ' OR '
- . $this->getDatatypeCol($tree) . ' = ""'
- . ')';
- }
- return ' AND ' . $this->getDatatypeCol($tree) . ' = "' . $val->type . '"';
- }//protected function createSingleTypeCheck($val, $tree)
-
-
-
- /*
- * SQL generation functions
- */
-
-
-
- /**
- * Creates an sql statement that returns if the element is a blank node
- */
- protected function createFunction_bound($tree)
- {
- if ($this->isVariable($tree['parameter'][0])) {
- return self::mkVal(
- $this->getValueCol($tree['parameter'][0]) . ' IS NOT NULL',
- self::$typeXsdBoolean
- );
- }
-
- //We'll see which other cases occur here
- return self::mkVal('TRUE', self::$typeXsdBoolean);
- }//protected function createFunction_bound($tree)
-
-
-
- protected function createFunction_datatype($tree)
- {
- if (!$this->isObject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'datatype\'s first parameter needs to be an object'
- );
- }
-
- return self::mkVal(
- $this->getDatatypeCol($tree['parameter'][0]),
- self::$typeXsdString
- );
- }//protected function createFunction_datatype($tree)
-
-
-
- /**
- * Creates an sql statement that returns if the element is a blank node
- */
- protected function createFunction_isblank($tree)
- {
- if (!$this->isObjectOrSubject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'isBlank\'s first parameter needs to be an object or subject'
- );
- }
-
- return self::mkVal(
- $this->getIsCol($tree['parameter'][0]) . ' = "b"',
- self::$typeXsdBoolean
- );
- }//protected function createFunction_isblank($tree)
-
-
-
- protected function createFunction_isiri($tree)
- {
- return $this->createFunction_isuri($tree);
- }//protected function createFunction_isiri($tree)
-
-
-
- /**
- * Creates an sql statement that returns the language of the object
- */
- protected function createFunction_isliteral($tree)
- {
- if ($this->isObjectOrSubject($tree['parameter'][0])) {
- return $this->getIsCol($tree['parameter'][0]) . ' = "l"';
- }
-
- //This does not take combined functions into account (subfunctions)
- return self::mkVal(
- $this->isPlainString($tree) ? 'TRUE' : 'FALSE',
- self::$typeXsdBoolean
- );
- }//protected function createFunction_isliteral($tree)
-
-
-
- protected function createFunction_isuri($tree)
- {
- if ($this->isObjectOrSubject($tree['parameter'][0])) {
- return self::mkVal(
- $this->getIsCol($tree['parameter'][0]) . ' = "r"',
- self::$typeXsdBoolean
- );
- } else {
- //predicates are iris
- return self::mkVal('TRUE', self::$typeXsdBoolean);
- }
- }//protected function createFunction_isuri($tree)
-
-
-
- /**
- * Creates an sql statement that returns the language of the object
- */
- protected function createFunction_lang($tree)
- {
- if (!$this->isObject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'lang\'s first parameter needs to be an object'
- );
- }
- return self::mkVal(
- $this->getLangCol($tree['parameter'][0]),
- self::$typeXsdString
- );
- }//protected function createFunction_lang($tree)
-
-
-
- /**
- * Creates an sql statement that checks if the variable
- * matches a given language
- */
- protected function createFunction_langmatches($tree)
- {
- //those two restrictions are needed until we have a mysql-only
- // langmatches function
- if ($tree['parameter'][0]['type'] != 'function'
- || $tree['parameter'][0]['name'] != 'lang'
- ) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'langMatches\' first parameter needs to be a lang() function'
- );
- }
-
- if (!$this->isPlainString($tree['parameter'][1])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'langMatches\' second parameter needs to be a string'
- );
- }
-
- $lang = $tree['parameter'][1]['value'];
- $col = $this->createTreeSql($tree['parameter'][0], $tree);
-
- switch ($lang) {
- case '*':
- //anything but nothing
- $sql = $col . ' != ""';
- break;
- case '':
- //nothing
- $sql = $col . ' = ""';
- break;
- default:
- //language, maybe with different subcode
- // en -> en, en-US
- $sql = '(' . $col . ' = "' . addslashes($lang) . '" OR '
- . $col . ' LIKE "' . addslashes($lang) . '-%")';
- break;
- }
-
- return self::mkVal($sql, self::$typeXsdBoolean);
- }//protected function createFunction_isuri($tree)
-
-
-
- /**
- * Creates an sql statement that checks if the given part matches
- * an regex
- */
- protected function createFunction_regex($tree)
- {
- $strVar = $this->createTreeSql($tree['parameter'][0], $tree);
- $strRegex = $this->createTreeSql($tree['parameter'][1], $tree);
-
- if (isset($tree['parameter'][2])) {
- //is quoted
- $strMod = $this->createTreeSql($tree['parameter'][2], $tree);
- switch ($strMod) {
- case '':
- case '""':
- $sql = $strVar . ' REGEXP ' . $strRegex;
- break;
-
- case '"i"':
- $sql = 'CAST(' . $strVar . ' AS CHAR) REGEXP ' . $strRegex;
- break;
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported regex modifier "'
- . $strMod
- . '"'
- );
- }
- } else {
- $sql = $strVar . ' REGEXP ' . $strRegex;
- }
-
- if ($this->isObject($tree['parameter'][0])) {
- $col = $this->getIsCol($tree['parameter'][0]);
- $sql = "($sql AND $col = 'l')";
- }
-
- return self::mkVal($sql, self::$typeXsdBoolean);
- }//protected function createFunction_regex($tree)
-
-
-
- /**
- * Creates an sql statement that checks if both terms are the same
- */
- protected function createFunction_sameterm($tree)
- {
- //FIXME: dead simple implementation that does not cover all cases
- return self::mkVal(
- $this->createTreeSql($tree['parameter'][0], $tree)
- . ' = '
- . $this->createTreeSql($tree['parameter'][1], $tree),
- self::$typeXsdBoolean
- );
- }//protected function createFunction_sameterm($tree)
-
-
-
- /**
- * Creates an sql statement that returns the string representation
- * of the given element
- */
- protected function createFunction_str($tree)
- {
- if ($this->isObject($tree['parameter'][0])) {
- return self::mkVal(
- '(CASE ' . $this->getIsCol($tree['parameter'][0])
- . ' WHEN "b" THEN ""'
- . ' ELSE ' . $this->getValueCol($tree['parameter'][0])
- . ' END)',
- self::$typeXsdString
- );
- }
-
- return $this->createTreeSql($tree['parameter'][0], $tree);
- }//protected function createFunction_str($tree)
-
-
-
- /**
- * Creates an sql statement that returns the datetime representation
- * of the given element
- */
- protected function createFunction_xsd_datetime($tree)
- {
- $val = $this->createTreeSql($tree['parameter'][0], $tree);
- if ($val->type == self::$typeXsdDateTime
- || $val->type == self::$typeVariable) {
- //no need to cast again
- return $val;
- }
- return self::mkVal(
- $this->getDateConversionSql($val),
- self::$typeXsdDateTime
- );
- }//protected function createFunction_xsd_datetime($tree)
-
-
-
-
- /*
- * Helper methods
- */
-
-
-
- protected static function mkVal($value, $type = null) {
- return new SparqlEngineDb_FilterGenerator_Value($value, $type);
- }
-
-
-
- protected function getCol($tree, $type)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- if (!isset(SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType][$type])) {
- return false;
- }
- $strSqlCol = SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType][$type];
- return $strTable . '.' . $strSqlCol;
- }
-
-
-
- protected function getDatatypeCol($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- return $strTable . '.l_datatype';
- }
-
-
-
- protected function getDateConversionSql($strValue)
- {
- return 'STR_TO_DATE(' . $strValue . ', "%Y-%m-%dT%H:%i:%sZ")';
- }//protected function getDateConversionSql($strValue)
-
-
-
- protected function getIsCol($tree)
- {
- return $this->getCol($tree, 'is');
- }
-
-
-
- protected function getLangCol($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- return $strTable . '.l_language';
- }
-
-
-
- protected function getValueCol($tree)
- {
- return $this->getCol($tree, 'value');
- }
-
-
-
- protected function isNumber($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === false
- && preg_match('#^[0-9.]+$#', $tree['value'])
- && floatval($tree['value']) == $tree['value'];
- }//protected function isNumber($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- * and the variable is actually an object in the database.
- *
- * @param array $tree Tree element
- * @return boolean True if the element is an object
- */
- protected function isObject($tree)
- {
- return $this->isVariable($tree)
- && $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 'o';
- }//protected function isVariable($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- * and the variable is actually an object or a subject in the database.
- *
- * @param array $tree Tree element
- * @return boolean True if the element is an object or an subject
- */
- protected function isObjectOrSubject($tree)
- {
- return $this->isVariable($tree)
- && (
- $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 'o'
- || $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 's'
- );
- }//protected function isObjectOrSubject($tree)
-
-
-
- /**
- * Checks if the given tree element is a plain string (no variable)
- *
- * @param array $tree Tree element
- * @return boolean True if the element is a string
- */
- protected function isPlainString($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === true;
- }//protected function isPlainString($tree)
-
-
-
- protected function isValueButNotVariableNorString($tree)
- {
- return $tree['type'] == 'value'
- && $tree['type']['quoted'] === false
- && !SparqlVariable::isVariable($tree['value']);
- }//protected function isValueButNotVariableNorString($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- *
- * @param array $tree Tree element
- * @return boolean True if the element is a variable
- */
- protected function isVariable($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === false
- && SparqlVariable::isVariable($tree['value'])
- && isset($this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']]);
- }//protected function isVariable($tree)
-
-
-
- protected static function switchOperator($op)
- {
- if (!isset(self::$arOperatorSwitches[$op])) {
- return $op;
- } else {
- return self::$arOperatorSwitches[$op];
- }
- }//protected static function switchOperator($op)
-
-}//class SparqlEngineDb_FilterGenerator
-
-
-
-
-/**
-* Value class that holds some arbitrary value
-* and a datatype.
-* Objects of this class can transparently be used in strings since
-* its __toString() returns the value.
-*/
-class SparqlEngineDb_FilterGenerator_Value
-{
- public $value = null;
- public $type = null;
-
-
-
- public function __construct($value, $type = null)
- {
- $this->value = $value;
- $this->type = $type;
- }
-
-
-
- public function __toString()
- {
- return $this->value;
- }
-
-}//class SparqlEngineDb_FilterGenerator_Value
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Offsetter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Offsetter.php.svn-base
deleted file mode 100755
index 5c2d1744..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Offsetter.php.svn-base
+++ /dev/null
@@ -1,102 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_Offsetter
-{
- public function __construct(ADOConnection $dbConn, Query $query)
- {
- $this->dbConn = $dbConn;
- $this->query = $query;
- }//public function __construct(ADOConnection $dbConn, Query $query)
-
-
-
- /**
- * Determines the offset in the sqls, the position to start form.
- *
- * @param array $arSqls Array of SQL query parts as returned by
- * SparqlEngine_TypeSorter::getOrderifiedSqls()
- * @return array Array of two values: The first determines the
- * index of the sql query to begin with, the second
- * is the row offset that should be used in the final
- * SQL query.
- */
- public function determineOffset($arSqls)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['offset'] === null) {
- return array(0, 0);
- }
-
- $nCount = 0;
- foreach ($arSqls as $nId => $arSql) {
- $nCurrentCount = $this->getCount($arSql);
- if ($nCurrentCount + $nCount > $arSM['offset']) {
- return array($nId, $arSM['offset'] - $nCount);
- }
- $nCount += $nCurrentCount;
- }
- //nothing found - no results for this offset
- return array(count($arSqls), 0);
- }//public function determineOffset($arSql)
-
-
-
- /**
- * Returns the number of rows that the given query will return.
- *
- * @param array $arSql Array with sql parts and at least keys
- * 'from' and 'where' set.
- * @return int Number of rows returned.
- */
- protected function getCount($arSql)
- {
- $sql = SparqlEngineDb_SqlMerger::getCount($this->query, $arSql);
- $dbResult = $this->dbConn->execute($sql);
-
- $nCount = 0;
- foreach ($dbResult as $row) {
- $nCount = intval($row[0]);
- break;
- }
- return $nCount;
- }//protected function getCount($arSql)
-
-
-
- /**
- * Creates a sql LIMIT statement if the sparql query needs one.
- * This method is needed because AdoDb does not support limits with
- * prepared statements. It's a pity.
- *
- * @return string SQL command to be appended to a query, to limit
- * the number of result rows returned.
- */
- public static function getLimitSql(Query $query, ADOConnection $dbConn)
- {
- $arSM = $query->getSolutionModifier();
- if ($arSM['limit'] === null && $arSM['offset'] === null) {
- return '';
- }
- //this here is mysql syntax. if anyone has problems, write it
- //dependent on $dbConn's type
- if ($arSM['offset'] === null) {
- return ' LIMIT ' . $arSM['limit'];
- } else if ($arSM['limit'] === null) {
- return ' LIMIT ' . $arSM['offset'] . ', 18446744073709551615';
- } else {
- return ' LIMIT ' . $arSM['offset'] . ', ' . $arSM['limit'];
- }
- }//public static function getLimitSql(Query $query, ADOConnection $dbConn)
-
-}//class SparqlEngineDb_Offsetter
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Preparator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Preparator.php.svn-base
deleted file mode 100755
index f5f5016d..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/Preparator.php.svn-base
+++ /dev/null
@@ -1,229 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_Preparator
-{
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn)
- {
- $this->query = $query;
- $this->dbConn = $dbConn;
- $this->arPrefixes = $this->query->getPrefixes();
- }//public function __construct(Query $query, ADOConnection $dbConn)
-
-
-
- /**
- * Converts the given queries into sql prepared statments,
- * calls the prepare command in the database and returns
- * an array consisting of subarrays. They contain
- * the db's prepared statement as first value, and an array
- * of variable positions as second value (key is the position,
- * the sparql variable is the value).
- *
- * @param array $arQueries Array of sql queries part arrays
- * @param array $arPlaceholders Array of sparql (variable name =>
- * placeholder name) pairs
- * @return array Array of (prepared statment, variable positions) pairs
- */
- public function prepareInDb($arQueries, $arPlaceholders)
- {
- $arDbStatements = array();
-
- foreach ($arQueries as $arQuery) {
- list($strPrepared, $arVariablePositions) = $this->replacePlaceholders(
- implode('', $arQuery),
- $arPlaceholders
- );
- if (count($arQueries) == 1) {
- //I currently haven't seens one case in which the count was > 1
- //if that happens, we will need to add a fix
- $strPrepared .= SparqlEngineDb_Offsetter::getLimitSql(
- $this->query,
- $this->dbConn
- );
- }
- $stmt = $this->dbConn->Prepare($strPrepared);
- $arDbStatements[] = array(
- $stmt,
- $arVariablePositions
- );
- }
-
- return $arDbStatements;
- }//public function prepareInDb($arQueries, $arPlaceholders)
-
-
-
- /**
- * Replaces the placeholders in the given SQL statement with real
- * SQL prepared statements placeholders.
- *
- * @param string $strQuery SQL query with placeholders
- * @param array $arPlaceholders Array of sparql (variable name =>
- * placeholder name) pairs
- * @return array (prepared sql query string, variable positions) pair
- */
- protected function replacePlaceholders($strQuery, $arPlaceholders)
- {
- $arVariablePositions = array();
- $this->arTmpVariablePositions = array();
- $this->arTmpPlaceholders = $arPlaceholders;
- $strQuery = preg_replace_callback(
- '/@\\$%_PLACEHOLDER_[0-9]+_%\\$@/',
- array($this, 'replacePlaceholdersCb'),
- $strQuery
- );
- return array($strQuery, $this->arTmpVariablePositions);
- }//protected function replacePlaceholders($strQuery, $arPlaceholders)
-
-
-
- /**
- * Callback method internally used by replacePlaceholders() method.
- */
- protected function replacePlaceholdersCb($matches)
- {
- $strPlaceholder = $matches[0];
- $strSparqlVariable = array_search(
- $strPlaceholder,
- $this->arTmpPlaceholders
- );
- $strDbPlaceholder = $this->dbConn->Param($strSparqlVariable);
- $this->arTmpVariablePositions[] = $strSparqlVariable;
-
- return $strDbPlaceholder;
- }//protected function replacePlaceholdersCb($matches)
-
-
-
- /**
- * Executes the given prepared statments, filling the placeholders
- * with the given values.
- *
- * @param array $arDbStatements Return value of prepareInDb()
- * @param array $arVariableValues Array of (variable name, value) pairs
- *
- * @return array Array of database results as returned by Execute()
- */
- public function execute($arDbStatements, $arVariableValues)
- {
- $arResults = array();
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
-
- foreach ($arDbStatements as $arStatement) {
- list($stmt, $arVariablePositions) = $arStatement;
- $arVariables = $this->createVariableArray(
- $arVariablePositions,
- $arVariableValues
- );
- $arResults[] = $this->dbConn->Execute($stmt, $arVariables);
- }
-
- $this->dbConn->SetFetchMode($oldmode);
-
- return $arResults;
- }//public function execute($arDbStatements, $arVariableValues)
-
-
-
- /**
- * Creates an array full of variables to be passed to the Execute() method
- * of the database connection object.
- * Uses the variable positions array to get the positions of the variables
- * in the result array, and the variable value array to get the actual
- * values for the prepared statement.
- *
- * @param array $arVariablePositions Positions of the variables as returned
- * by replacePlaceholders().
- * @param array $arVariableValues Array of (variable name, value) pairs
- *
- * @return array Array of variable values
- */
- protected function createVariableArray($arVariablePositions, $arVariableValues)
- {
- $arVariables = array();
-
- foreach ($arVariablePositions as $nPos => $strVariable) {
- if (!isset($arVariableValues[$strVariable])) {
- throw new Exception('No value for variable "' . $strVariable . '" in prepared statement');
- }
-
- $strValue = self::replacePrefix(
- $arVariableValues[$strVariable],
- $this->arPrefixes
- );
-
- $arVariables[$nPos] = $strValue;
- }
-
- return $arVariables;
- }//protected function createVariableArray($arVariablePositions, $arVariableValues)
-
-
-
- /**
- * Replaces all placeholders with their actual values.
- */
- public function replacePlaceholdersWithVariables($strQuery, $arPlaceholders, $arVariableValues)
- {
- $this->arTmpPlaceholders = $arPlaceholders;
- $this->arTmpVariableValues = $arVariableValues;
-
- $strQuery = preg_replace_callback(
- '/@\\$%_PLACEHOLDER_[0-9]+_%\\$@/',
- array($this, 'replacePlaceholdersWithVariablesCb'),
- $strQuery
- );
-
- return $strQuery;
- }//public function replacePlaceholdersWithVariables($strQuery, $arPlaceholders, $arVariableValues)
-
-
-
- /**
- * Callback method internally used by
- * replacePlaceholdersWithVariables() method.
- */
- protected function replacePlaceholdersWithVariablesCb($matches)
- {
- $strPlaceholder = $matches[0];
- $strSparqlVariable = array_search(
- $strPlaceholder,
- $this->arTmpPlaceholders
- );
- return $this->dbConn->qstr(
- self::replacePrefix(
- $this->arTmpVariableValues[$strSparqlVariable],
- $this->arPrefixes
- )
- );
- }//protected function replacePlaceholdersWithVariablesCb($matches)
-
-
-
- protected static function replacePrefix($strValue, $arPrefixes)
- {
- //replace prefixes?
- if (count($arParts = explode(':', $strValue, 2)) == 2) {
- if (isset($arPrefixes[$arParts[0]])) {
- $strValue = $arPrefixes[$arParts[0]] . $arParts[1];
- }
- }
- return $strValue;
- }//protected static function replacePrefix($strValue, $arPrefixes)
-
-}//class SparqlEngineDb_Preparator
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/PreparedStatement.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/PreparedStatement.php.svn-base
deleted file mode 100755
index c7c03413..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/PreparedStatement.php.svn-base
+++ /dev/null
@@ -1,38 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_PreparedStatement extends SparqlEngine_PreparedStatement
-{
- protected $sparqlEngine = null;
-
-
- public function __construct(SparqlEngineDb $sparqlEngine)
- {
- $this->sparqlEngine = $sparqlEngine;
- }//public function __construct(SparqlEngineDb $sparqlEngine)
-
-
-
- /**
- * Execute the prepared statement and returns the result.
- *
- * @param array $arVariables Array of sparql query variables => values
- * @param string $resultform Which result form you need
- * @return mixed Anything a sparql query can return
- */
- public function execute($arVariables, $resultform = false)
- {
- return $this->sparqlEngine->execute($arVariables, $resultform);
- }//public function execute($arVariables, $resultform)
-
-}//class SparqlEngineDb_PreparedStatement extends SparqlEngine_PreparedStatement
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/QuerySimplifier.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/QuerySimplifier.php.svn-base
deleted file mode 100755
index 2988fd98..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/QuerySimplifier.php.svn-base
+++ /dev/null
@@ -1,169 +0,0 @@
- 'asd'}
-* UNION
-* {?person3 'three'}
-* }
-* is represented internally as three graph patterns, the latter
-* two referencing the first to be their pattern (they are subpatternOf).
-* Now this can be flattened to this which is the same:
-* {?g ?h ?i . ?person 'asd'}
-* UNION
-* {?g ?h ?i .?person3 'three'}
-*
-* This class does this.
-*
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*/
-class SparqlEngineDb_QuerySimplifier
-{
-
- /**
- * Simplify the query by flattening out subqueries.
- * Modifies the passed query object directly.
- */
- public function simplify(Query $query)
- {
- $arPatterns = $query->getResultPart();
- self::dropEmpty($arPatterns);
- $arPlan = $this->createPlan($arPatterns);
- if (count($arPlan) == 0) {
- $query->setResultPart($arPatterns);
- return 0;
- }
-
- $this->executePlan($arPatterns, $arPlan);
- $query->setResultPart($arPatterns);
- }//public function simplify(Query $query)
-
-
-
- /**
- * Creates a plan what to do.
- *
- * @return array Array of arrays. Key is the parent pattern id,
- * value is an array of subpatterns that belong to
- * that parental pattern.
- */
- protected function createPlan(&$arPatterns)
- {
- $arNumbers = $this->getNumbers($arPatterns);
- if (count($arNumbers) == 0) {
- return array();
- }
-
- $arPlan = array();
-
- foreach ($arNumbers as $nId => $nPatternCount) {
- $nParent = $arPatterns[$nId]->getSubpatternOf();
- $arPlan[$nParent][$nId] = true;
- }
-
- return $arPlan;
- }//protected function createPlan(&$arPatterns)
-
-
-
- /**
- * Executes the plan
- *
- * @param array $arPatterns Array of GraphPatterns
- * @param array $arPlan Plan array as returned by createPlan()
- */
- protected function executePlan(&$arPatterns, &$arPlan)
- {
- foreach ($arPlan as $nParent => $arChildren) {
- $base = $arPatterns[$nParent];
- $grandParent = $base->getSubpatternOf();
- $nNextId = $nParent;
- foreach ($arChildren as $nChild => $null) {
- $new = clone $base;
- $new->addTriplePatterns($arPatterns[$nChild]->getTriplePatterns());
- $new->addConstraints( $arPatterns[$nChild]->getConstraints());
- $new->setId($nNextId);
- if ($nParent != $nNextId) {
- $new->setUnion($nParent);
- }
- $arPatterns[$nNextId] = $new;
-
- if ($grandParent !== null) {
- //dynamically adjust plan
- $arPlan[$grandParent][$nNextId] = true;
- }
-
- $nNextId = $nChild;
- }
- //last one is not not needed anymore
- unset($arPatterns[$nNextId]);
- }
- }//protected function executePlan(&$arPatterns, &$arPlan)
-
-
-
- /**
- * Returns an array of id-value pairs determining
- * which pattern IDs (array id) are deepest nested
- * (higher value).
- * Array is sorted in reverse order, highest values
- * first.
- *
- * @param array $arPatterns Array with GraphPatterns
- * @return array Array with key-value pairs
- */
- protected function getNumbers(&$arPatterns)
- {
- $arNumbers = array();
- foreach ($arPatterns as $nId => &$pattern) {
- $nParent = $pattern->getSubpatternOf();
- if ($nParent !== null) {
- $arNumbers[$nId] = $arNumbers[$nParent] + 1;
- } else {
- $arNumbers[$nId] = 0;
- }
- }
- //remove the not so interesting ones
- foreach ($arNumbers as $nId => $nNumber) {
- if ($nNumber == 0) {
- unset($arNumbers[$nId]);
- }
- }
-
- arsort($arNumbers);
-
- return $arNumbers;
- }//protected function getNumbers(&$arPatterns)
-
-
-
- /**
- * Removes all empty graph patterns from the array.
- * Modifies it directly.
- */
- protected static function dropEmpty(&$arPatterns)
- {
- foreach ($arPatterns as $nId => &$pattern) {
- if ($pattern->isEmpty()) {
- unset($arPatterns[$nId]);
- }
- }
-
- foreach ($arPatterns as $nId => &$pattern) {
- $nParent = $pattern->getSubpatternOf();
- if (!isset($arPatterns[$nParent])) {
- $arPatterns[$nId]->setSubpatternOf(null);
- }
- }
- //FIXME: continued indexes?
- }//protected static function dropEmpty(&$arPatterns)
-
-}//class SparqlEngineDb_QuerySimplifier
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultConverter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultConverter.php.svn-base
deleted file mode 100755
index 875b47e0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultConverter.php.svn-base
+++ /dev/null
@@ -1,115 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultConverter
-{
- /**
- * Determines the correct renderer and calls it.
- *
- * The $resultform may be:
- * - false: The default renderer is taken then
- * - an object that implements SparqlEngineDb_ResultRenderer interface
- * - a string like "HTML" or "XML". The appropriate renderer is used then.
- * - a full class name, e.g. SparqlEngineDb_ResultRenderer_XML
- *
- * @param array $arRecordSets Array of anything ADOConnection::Execute() can return
- * @param SparqlEngineDb $engine Sparql database engine.
- * @param mixed $resultform Which format the results shall be in (false or "xml")
- *
- * @return mixed Most likely an array or a boolean value,
- * or anything else as determined by $resultform
- */
- public static function convertFromDbResults($arRecordSets, SparqlEngineDb $engine, $resultform = false)
- {
- if (is_object($resultform)) {
- if ($resultform instanceof SparqlEngineDb_ResultRenderer) {
- return $resultform->convertFromDbResults(
- $arRecordSets,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer object needs to implement'
- . ' SparqlEngineDb_ResultRenderer interface'
- );
- }
- }
-
- if ($resultform === false) {
- $resultform = 'Default';
- } else if ($resultform == 'xml') {
- //kept for BC reasons
- $resultform = 'XML';
- }
-
- if ($strClass = self::loadClass($resultform)) {
- $rrObj = new $strClass();
- if ($rrObj instanceof SparqlEngineDb_ResultRenderer) {
- return $rrObj->convertFromDbResults(
- $arRecordSets,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer class "' . $strClass . '" needs to implement'
- . ' SparqlEngineDb_ResultRenderer interface'
- );
- }
- } else {
- throw new Exception(
- 'Result renderer class "' . $resultform . '" could not be loaded.'
- );
- }
- }//public static function convertFromDbResults($arRecordSets, SparqlEngineDb $engine, $resultform = false)
-
-
-
- /**
- * Tries to load a given class if it doesn't exist,
- * and returns true if the class can be used.
- *
- * @param string $strClass Classname
- * @return mixed Class name if the class is loaded and can be used, false if not.
- */
- protected static function loadClass($strClass)
- {
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //RAP style, shortcut notation
- $strFile = 'SparqlEngineDb/ResultRenderer/' . $strClass . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists('SparqlEngineDb_ResultRenderer_' . $strClass, false)) {
- return 'SparqlEngineDb_ResultRenderer_' . $strClass;
- }
-
- //RAP style
- $strFile = str_replace('_', '/', $strClass) . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //PEAR style
- @include_once $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- return false;
- }//protected static function loadClass($strClass)
-
-}//class SparqlEngineDb_ResultConverter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultRenderer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultRenderer.php.svn-base
deleted file mode 100755
index 7714b781..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/ResultRenderer.php.svn-base
+++ /dev/null
@@ -1,29 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-interface SparqlEngineDb_ResultRenderer
-{
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine);
-
-}//interface SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGenerator.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGenerator.php.svn-base
deleted file mode 100755
index 3794c110..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGenerator.php.svn-base
+++ /dev/null
@@ -1,999 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlGenerator
-{
- public $query = null;
-
- /**
- * Determines which variables can be found
- * in which SQL result column.
- * @example
- * array(
- * '?person' => array('t1', 's'),
- ' '?p' => array('t1', 'p'),
- * '?mbox' => array('t2', 'o')
- * )
- * Would express that variable ?person is the subject
- * in result table t1, and ?mbox is the object in
- * table t2.
- *
- * @see $arCreationMethods
- *
- * @internal The array is created in createSql()
- * and used in convertFromDbResult().
- *
- * @var array
- */
- public $arVarAssignments = array();
-
- /**
- * Array of variable name => table.col assignments
- * for all variables used in the query not only
- * the ones that shall be returned.
- *
- * @example
- * array(
- * '?person' => 't0.subject'
- * )
- *
- * @var array
- */
- public $arUsedVarAssignments = array();
-
- /**
- * Array of arrays that contain all variable names
- * which are to be found in the result of
- * an sql statement in a union.
- *
- * @example
- * array(
- * 0 => array(
- * '?person' => 's',
- * '?p' => 'o'
- * ),
- * 1 => array(
- * '?person' => 's',
- * '?mbox' => 'o'
- * )
- * )
- *
- * @var array
- */
- public $arUnionVarAssignments = array();
-
- /**
- * Which variables have been used as which type?
- * key is variable name, value is an array of
- * max. three keys (s, p, o)
- *
- * @example
- * array(
- * '?person' => array(
- * 's' => true
- * ),
- * '?mbox' => array(
- * 'o' => true
- * )
- * )
- *
- * @var array
- */
- protected $arUsedVarTypes = array();
-
- /**
- * Array with placeholders of prepared statements variables.
- * key is the variable name (without "??"), value is the
- * placeholder.
- * @var array
- */
- protected $arPlaceholders = array();
-
- /**
- * Column names for subjects, predicates and
- * objects for easy access via their character
- * names (spo).
- *
- * @var array
- */
- public static $arTableColumnNames = array(
- 's' => array(
- 'value' => 'subject',
- 'is' => 'subject_is'
- ),
- 'p' => array(
- 'value' => 'predicate'
- ),
- 'o' => array(
- 'value' => 'object',
- 'is' => 'object_is'
- )
- );
-
- /**
- * Current UNION part number
- * @var int
- */
- protected $nUnionCount = 0;
-
- protected $nSqlVariableNameCount = 0;
-
- /**
- * Name of the statements table
- */
- protected $tblStatements = 'statements';
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn, $arModelIds)
- {
- $this->query = $query;
- $this->dbConn = $dbConn;
- $this->arModelIds = $arModelIds;
- }//public function __construct(Query $query, ADOConnection $dbConn, $arModelIds)
-
-
-
- /**
- * Creates an SQL query string from the given Sparql query object.
- *
- * @internal uses $query variable
- *
- * @return array Array of arrays of SQL query string parts: select, from and where
- *
- * @throws SparqlEngineDb_SqlGeneratorException If there is no variable in the result set.
- */
- function createSql()
- {
-//var_dump($this->query);
- $arSelect = array();
- $arFrom = array();
- $arWhere = array();
-
- $strResultForm = $this->query->getResultForm();
- $filterGen = new SparqlEngineDb_FilterGenerator($this);
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- $this->nTableId = 0;
- $this->nGraphPatternCount = 0;
- $this->nUnionCount = 0;
- $this->nUnionTriplePatternCount = 0;
- $this->arUnionVarAssignments[0] = array();
-
- foreach ($this->query->getResultPart() as $graphPattern) {
- if ($graphPattern->isEmpty()) {
- continue;
- }
- if ($graphPattern->getUnion() !== null) {
- ++$this->nUnionCount;
- $this->nTableId = 0;
- $this->nUnionTriplePatternCount = 0;
- $this->nGraphPatternCount = 0;
- $this->arUnionVarAssignments[$this->nUnionCount] = array();
- }
- $this->nTriplePatternCount = 0;
- $arTriplePattern = $graphPattern->getTriplePatterns();
- if ($arTriplePattern != null) {
- foreach ($arTriplePattern as $triplePattern) {
- list (
- $arSelect[$this->nUnionCount][],
- $arFrom [$this->nUnionCount][],
- $arWhere [$this->nUnionCount][]
- ) =
- $this->getTripleSql(
- $triplePattern,
- $graphPattern,
- $arResultVars
- );
- ++$this->nTableId;
- ++$this->nTriplePatternCount;
- ++$this->nUnionTriplePatternCount;
- }
- }
- ++$this->nGraphPatternCount;
-
- }
-
- //constraints extra. needed, since OPTIONAL parts are put after
- // the current pattern while the constraint already refers to variables
- // defined in there
- $this->nGraphPatternCount = 0;
- $this->nUnionCount = 0;
- foreach ($this->query->getResultPart() as $graphPattern) {
- if ($graphPattern->getUnion() !== null) {
- ++$this->nUnionCount;
- }
- $arConstraints = $graphPattern->getConstraints();
- if ($arConstraints != null) {
- foreach ($arConstraints as $constraint) {
- $arWhere[$this->nUnionCount][count($arWhere[$this->nUnionCount]) - 1]
- .= $filterGen->createFilterSql(
- $constraint->getTree(),
- $graphPattern->getOptional() !== null,
- $this->nUnionCount
- );
- }
- }
- ++$this->nGraphPatternCount;
- }
-
- $arSelect = $this->createEqualSelects($arSelect);
- $arStrSelect = array();
-
- switch ($strResultForm) {
- case 'construct':
- case 'describe':
- $strSelectType = 'SELECT';
- case 'select':
- case 'select distinct':
- if (!isset($strSelectType)) {
- $strSelectType = $strResultForm;
- }
- foreach ($arSelect as $nUnionCount => $arSelectPart) {
- $arSelectPart = self::removeNull($arSelectPart);
- if (count($arSelectPart) == 0
- || (count($arSelectPart) == 1 && $arSelectPart[0] == '')) {
- //test "test-1-07" suggests we return no rows in this case
- //throw new SparqlEngineDb_SqlGeneratorException('No variable that could be returned.');
- } else {
- $arStrSelect[$nUnionCount] = strtoupper($strSelectType) . ' ' . implode(', ' , $arSelectPart);
- }
- }
- break;
-
- case 'ask':
- case 'count':
- $arStrSelect = array('SELECT COUNT(*) as count');
- break;
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException('Unsupported query type "' . $strResultForm . '"');
- break;
- }
-
- $arSqls = array();
- foreach ($arStrSelect as $nUnionCount => $arSelectPart) {
- $arSqls[] = array(
- 'select' => $arStrSelect[$nUnionCount],
- 'from' => ' FROM ' . implode(' ' , self::removeNull($arFrom[$nUnionCount])),
- 'where' => ' WHERE ' . self::fixWhere(
- implode(' ' , self::removeNull($arWhere[$nUnionCount]))
- )
- );
- }
- return $arSqls;
- }//function createSql()
-
-
-
- /**
- * Creates some SQL statements from the given triple pattern
- * array.
- *
- * @param QueryTriple $triple Array containing subject, predicate and object
- * @param GraphPattern $graphPattern Graph pattern object
- *
- * @return array Array consisting of on array and two string values:
- * SELECT, FROM and WHERE part
- */
- function getTripleSql(QueryTriple $triple, GraphPattern $graphPattern, $arResultVars)
- {
- $arSelect = array();
- $strFrom = null;
- $strWhere = null;
- $strWhereEquality = '';
- $bWhereEqualitySubject = false;
- $bWhereEqualityPredicate = false;
- $bWhereEqualityObject = false;
-
- $subject = $triple->getSubject();
- $predicate = $triple->getPredicate();
- $object = $triple->getObject();
-
- $arRefVars = array();
- $strTablePrefix = 't' . $this->nTableId;
-
- /**
- * SELECT part
- * We do select only the columns we need for variables
- */
- if (SparqlVariable::isVariable($subject)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$subject])) {
- //already selected -> add equality check
- $bWhereEqualitySubject = true;
- $this->arUsedVarTypes[$subject]['s'] = true;
- } else {
- if (isset($this->arVarAssignments[$subject][0])) {
- $strTablePrefix = $this->arVarAssignments[$subject][0];
- }
- $this->arVarAssignments[$subject] = array($strTablePrefix, 's');
- $this->arUnionVarAssignments[$this->nUnionCount][$subject] = array($strTablePrefix, 's');
- $this->arUsedVarTypes[$subject]['s'] = true;
- if (self::isResultVar($subject, $arResultVars)) {
- //new variable that needs to be selected
- $arSelect[$subject] = $this->createVariableSelectArray(
- 's', $subject, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$subject])) {
- $arRefVars[$subject] = $strTablePrefix . '.subject';
- } else {
- $this->arUsedVarAssignments[$subject] = $strTablePrefix . '.subject';
- }
- }
- }
- }
-
- if (SparqlVariable::isVariable($predicate)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$predicate])) {
- //already selected -> add equality check
- $bWhereEqualityPredicate = true;
- $this->arUsedVarTypes[$predicate]['p'] = true;
- } else {
- if (isset($this->arVarAssignments[$predicate][0])) {
- $strTablePrefix = $this->arVarAssignments[$predicate][0];
- }
- $this->arVarAssignments[$predicate] = array($strTablePrefix, 'p');
- $this->arUnionVarAssignments[$this->nUnionCount][$predicate] = array($strTablePrefix, 'p');
- $this->arUsedVarTypes[$predicate]['p'] = true;
- if (self::isResultVar($predicate, $arResultVars)) {
- $arSelect[$predicate] = $this->createVariableSelectArray(
- 'p', $predicate, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$predicate])) {
- $arRefVars[$predicate] = $strTablePrefix . '.predicate';
- } else {
- $this->arUsedVarAssignments[$predicate] = $strTablePrefix . '.predicate';
- }
- }
- }
- }
-
- if (SparqlVariable::isVariable($object)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$object])) {
- //already selected -> add equality check
- $bWhereEqualityObject = true;
- $this->arUsedVarTypes[$object]['o'] = true;
- } else {
- if (isset($this->arVarAssignments[$object][0])) {
- $strTablePrefix = $this->arVarAssignments[$object][0];
- }
- $this->arVarAssignments[$object] = array($strTablePrefix, 'o');
- $this->arUnionVarAssignments[$this->nUnionCount][$object] = array($strTablePrefix, 'o');
- $this->arUsedVarTypes[$object]['o'] = true;
- if (self::isResultVar($object, $arResultVars)) {
- $arSelect[$object] = $this->createVariableSelectArray(
- 'o', $object, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$object])) {
- $arRefVars[$object] = $strTablePrefix . '.object';
- } else {
- $this->arUsedVarAssignments[$object] = $strTablePrefix . '.object';
- }
- }
- if (isset($this->query->varLanguages[$object])
- && $this->query->varLanguages[$object] !== null
- ) {
- $strWhereEquality .=
- ' AND ' . $strTablePrefix . '.l_language = "'
- . addslashes($this->query->varLanguages[$object]) . '"';
- }
- if (isset($this->query->varDatatypes[$object])
- && $this->query->varDatatypes[$object] !== null
- ) {
- $strWhereEquality .=
- ' AND ' . $strTablePrefix . '.l_datatype = "'
- . addslashes($this->query->varDatatypes[$object]) . '"';
- }
- }
- }
-
- /**
- * WhereEquality - needs to be done now because strTablePrefix may change
- */
- if ($bWhereEqualitySubject) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 's'),
- $this->arVarAssignments[$subject]
- );
- }
- if ($bWhereEqualityPredicate) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 'p'),
- $this->arVarAssignments[$predicate]
- );
- }
- if ($bWhereEqualityObject) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 'o'),
- $this->arVarAssignments[$object]
- );
- }
-
-
- /**
- * FROM part
- */
- if ($this->nUnionTriplePatternCount == 0) {
- //first FROM
- $strFrom = $this->tblStatements . ' as ' . $strTablePrefix;
- } else {
- //normal join
- if (count($this->arModelIds) == 1) {
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON t0.modelID = ' . $strTablePrefix . '.modelID';
- } else if (count($this->arModelIds) > 1) {
- $arIDs = array();
- foreach ($this->arModelIds as $nId) {
- $arIDs[] = $strTablePrefix . '.modelID = ' . intval($nId);
- }
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON (' . implode(' OR ', $arIDs) . ')';
- } else {
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON t0.modelID = ' . $strTablePrefix . '.modelID';
- }
-
- foreach ($arRefVars as $strRefVar => $strSqlVar) {
- $strFrom .= ' AND ' . $this->arUsedVarAssignments[$strRefVar] . ' = ' . $strSqlVar;
- }
-
- if ($graphPattern->getOptional() !== null) {
- $strFrom .= $this->getSqlCondition($subject , $strTablePrefix, 'subject')
- . $this->getSqlCondition($predicate, $strTablePrefix, 'predicate')
- . $this->getSqlCondition($object , $strTablePrefix, 'object')
- . $strWhereEquality;
- }
- }
-
-
- /**
- * WHERE part
- */
- if ($this->nUnionTriplePatternCount == 0) {
- if (count($this->arModelIds) == 1) {
- $strWhere = $strTablePrefix . '.modelID = ' . intval(reset($this->arModelIds));
- } else if (count($this->arModelIds) > 1) {
- $arIDs = array();
- foreach ($this->arModelIds as $nId) {
- $arIDs[] = $strTablePrefix . '.modelID = ' . intval($nId);
- }
- $strWhere = '(' . implode(' OR ', $arIDs) . ')';
- } else {
- //so that we can append an AND
- $strWhere = '1';
- }
- }
- if ($graphPattern->getOptional() === null || $this->nGraphPatternCount == 0) {
- $strWhere .= $this->getSqlCondition($subject , $strTablePrefix, 'subject')
- . $this->getSqlCondition($predicate, $strTablePrefix, 'predicate')
- . $this->getSqlCondition($object , $strTablePrefix, 'object')
- . $strWhereEquality;
- }
-
- return array($arSelect, $strFrom, $strWhere);
- }//function getTripleSql(QueryTriple $triple)
-
-
-
-
- protected function createVariableSelectArray($chType, $varname, $strTablePrefix)
- {
- $var = $this->query->getResultVar($varname);
- if ($var !== false) {
- if ((string)$var != $varname) {
- //copy over var assignments
- $this->arVarAssignments[(string)$var] = $this->arVarAssignments[$varname];
- }
-
- //works on non-* only
- $func = $var->getFunc();
- if ($func != null) {
- if ($func == 'datatype') {
- if ($chType != 'o') {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'datatype() works on objects only'
- );
- }
- return array(
- $strTablePrefix . '.l_datatype as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($var) . '"',
- '"r"' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($var) . '"',
- );
- } else if ($func == 'lang') {
- if ($chType != 'o') {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'lang() works on objects only'
- );
- }
- return array(
- $strTablePrefix . '.l_language as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($var) . '"',
- '"l"' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($var) . '"',
- );
- } else {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported function for select "' . $func . '"'
- );
- }
- }
- }
-
- switch ($chType) {
- case 's':
- return array(
- $strTablePrefix . '.subject as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"',
- $strTablePrefix . '.subject_is as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($varname) . '"'
- );
- case 'p':
- return array(
- $strTablePrefix . '.predicate as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"'
- );
- case 'o':
- return array(
- $strTablePrefix . '.object as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"',
- $strTablePrefix . '.object_is as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($varname) . '"',
- $strTablePrefix . '.l_language as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($varname) . '"',
- $strTablePrefix . '.l_datatype as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($varname) . '"',
- );
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unknown sentence type "' . $chType . "', one of (s,p,o) expected"
- );
- }
- }//protected function createVariableSelectArray($chType, $value, $strTablePrefix)
-
-
-
- /**
- * Creates SELECT statements that have the same number of columns.
- * Needed for UNIONs.
- *
- * @param array $arSelect Array of arrays.
- * array(
- * //for each union part one
- * 0 => array(
- * //foreach triple pattern
- * 0 => array(
- * '?person' => array(
- * 't0.subject as "t0.subject"'
- * )
- * )
- * )
- * )
- * @return array Array of SELECT strings
- */
- protected function createEqualSelects($arSelect)
- {
- $arNewSelect = array();
- if (count($arSelect) == 1) {
- if ($arSelect[0] == array(array())) {
- //ASK and COUNT
- return array(array(''));
- }
-
- foreach ($arSelect[0] as $arTripleVars) {
- $ar = array();
- foreach ($arTripleVars as $arVarParts) {
- $ar[] = implode(', ', $arVarParts);
- }
- if (count($ar) > 0) {
- $arNewSelect[0][] = implode(', ', $ar);
- }
- }
- return $arNewSelect;
- }
-
- $arVars = array();
- foreach ($arSelect as $arUnionVars) {
- foreach ($arUnionVars as $arTripleVars) {
- $arVars = array_merge($arVars, array_keys($arTripleVars));
- }
- }
- $arVars = array_unique($arVars);
-
- foreach ($arSelect as $nUnionCount => $arUnionVars) {
- $arSelectVars = array();
- foreach ($arUnionVars as $arTripleVars) {
- foreach ($arTripleVars as $strVar => $arVarParts) {
- $arSelectVars[$strVar] = $arVarParts;
- }
- }
-
- $ars = array();
- foreach ($arVars as $strVar) {
- if (isset($arSelectVars[$strVar])) {
- $ar = $arSelectVars[$strVar];
- $nCount = count($arSelectVars[$strVar]);
- } else {
- $ar = array();
- $nCount = 0;
- }
-
- if ($nCount == 0) {
- //nothing of this variable in this union part
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $this->arVarAssignments[$strVar]['sql_value'] . '"';
- }
- if ((
- isset($this->arUsedVarTypes[$strVar]['o'])
- || isset($this->arUsedVarTypes[$strVar]['s'])
- ) && $nCount < 2
- ) {
- //it's a subject or object, but we don't want the type
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $this->arVarAssignments[$strVar]['sql_is'] . '"';
- }
- if (isset($this->arUsedVarTypes[$strVar]['o']) && $nCount < 4) {
- //it's a subject or object, but we don't want the type
- if (isset($this->arVarAssignments[$strVar]['sql_lang'])) {
- $strColLanguage = $this->arVarAssignments[$strVar]['sql_lang'];
- } else {
- $strColLanguage = 'dummyLang';
- }
- if (isset($this->arVarAssignments[$strVar]['sql_type'])) {
- $strColDatatype = $this->arVarAssignments[$strVar]['sql_type'];
- } else {
- $strColDatatype = 'dummyType';
- }
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $strColLanguage . '"';
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $strColDatatype . '"';
- }
- $ars[] = implode(', ', $ar);
- }
- $arNewSelect[$nUnionCount] = $ars;
- }
-
- return $arNewSelect;
- }//protected function createEqualSelects($arSelect)
-
-
-
- /**
- * Creates an SQL statement that checks for the value
- * of some subject/predicate/object
- *
- * @param mixed $bject subject|predicate|object
- * @param string $strTablePrefix Table prefix (e.g. "t0")
- * @param string $strType Type of $bject ('subject'|'predicate'|'object')
- * @return string Part of the SQL query (prefixed with AND)
- */
- function getSqlCondition($bject, $strTablePrefix, $strType)
- {
- if (is_string($bject)) {
- if (SparqlVariable::isVariable($bject)) {
- //variable?
- if (self::isPreparedVariable($bject)) {
- //no, not really
- $value = $this->getPreparedVariablePlaceholder($bject);
- } else {
- //yes
- return null;
- }
- } else {
- $value = $this->dbConn->qstr($bject);
- }
- //literal
- return ' AND ' . $strTablePrefix . '.' . $strType . ' = ' . $value;
- }
-
- if ($bject instanceof BlankNode) {
- //Blank node
- throw new SparqlEngineDb_SqlGeneratorException(
- 'FIXME: Querying for blank nodes not supported'
- );
-
- } else if ($bject instanceof Resource) {
- //Resource
- $r = ' AND ' . $strTablePrefix . '.' . $strType . ' = '
- . $this->dbConn->qstr($bject->getURI());
- if ($strType !== 'predicate') {
- $r .= ' AND ' . $strTablePrefix . '.' . $strType . '_is ='
- . ' "r"';
- }
- return $r;
-
- } else if ($bject instanceof Literal) {
- //Literal
- //I'm doubling Filter code here, but what the hell
- $strColDatatype = $strTablePrefix . '.l_datatype';
- if ($bject->dtype == 'http://www.w3.org/2001/XMLSchema#integer'
- || $bject->dtype == 'http://www.w3.org/2001/XMLSchema#double'
- ) {
- $strVariable = 'CAST(' . $strTablePrefix . '.' . $strType . ' AS DECIMAL(15,10))';
- $strValue = $bject->getLabel();
- } else {
- $strVariable = $strTablePrefix . '.' . $strType;
- $strValue = $this->dbConn->qstr($bject->getLabel());
- }
- $r = ' AND ' . $strVariable . ' = ' . $strValue;
- if ($strType !== 'predicate') {
- $r .= ' AND ' . $strTablePrefix . '.' . $strType . '_is ='
- . ' "l"';
- }
-
- if ($strType == 'object') {
- if ($bject->dtype == '' || $bject->dtype == 'http://www.w3.org/2001/XMLSchema#string') {
- //string
- $r .= ' AND ('
- . $strColDatatype . ' = ""'
- . ' OR ' . $strColDatatype . ' = "http://www.w3.org/2001/XMLSchema#string"'
- . ')';
- } else {
- $r .= ' AND ' . $strColDatatype . ' = "'
- . $bject->dtype
- . '"';
- }
- }
-
- if ($bject->lang != '') {
- $strColLanguage = $strTablePrefix . '.l_language';
- $r .= ' AND ' . $strColLanguage . ' = '
- . $this->dbConn->qstr($bject->lang);
- }
- return $r;
-
- } else {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported sentence part: ' . get_class($bject)
- );
- }
- }//function getSqlCondition($bject, $strTablePrefix, $strType)
-
-
-
- /**
- * Checks if the sentence part (subject, predicate or object) in
- * $arNew has the same content as $arOld.
- * Required for queries like ":x ?a ?a" where predicate and object
- * need to have the same value
- *
- * @param array $arNew array($strTablePrefix, $strType = s|p|o)
- * @param array $arOld array($strTablePrefix, $strType = s|p|o)
- * @return string
- */
- protected static function getSqlEqualityCondition($arNew, $arOld)
- {
- $chTypeNew = $arNew[1]; $chTypeOld = $arOld[1];
- $strTablePrefixNew = $arNew[0]; $strTablePrefixOld = $arOld[0];
-
- if ($chTypeNew == 'p' || $chTypeOld == 'p') {
- //just check value
- //FIXME: it might be I need to check for resource type in object and subject
- return
- $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['value']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['value']
- ;
- } else if ($chTypeNew == 's' || $chTypeOld == 's') {
- //check value and type
- return
- $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['value']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['value']
- . ' AND '
- . $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['is']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['is']
- ;
- } else {
- //two objects -> check everything
- return
- $strTablePrefixNew . '.object = ' . $strTablePrefixOld . '.object'
- . ' AND '
- . $strTablePrefixNew . '.object_is = ' . $strTablePrefixOld . '.object_is'
- . ' AND '
- . $strTablePrefixNew . '.l_language = ' . $strTablePrefixOld . '.l_language'
- . ' AND '
- . $strTablePrefixNew . '.l_datatype = ' . $strTablePrefixOld . '.l_datatype'
- ;
- }
- }//protected static function getSqlEqualityCondition($arNew, $arOld)
-
-
-
- /**
- * Checks if the given variable name is part of the result
- * variables list.
- * Needed since $arResultVars may contain "*" that captures all variables.
- *
- * @param string $strVar Variable name (e.g. "?p")
- * @param array $arResultVars Array with result variables
- * @return boolean true if it is a result variable
- */
- protected static function isResultVar($strVar, &$arResultVars)
- {
- foreach ($arResultVars as $var) {
- if ($var == '*') {
- return true;
- } else if ((is_string($var) && $var == $strVar)
- || (is_object($var) && $var->getVariable() == $strVar)) {
- return true;
- }
- }
- return false;
- }//protected static function isResultVar($strVar, &$arResultVars)
-
-
-
- /**
- * Checks if the given variable is a replacement
- * for a prepared statement.
- *
- * @return boolean
- */
- public static function isPreparedVariable($bject)
- {
- return is_string($bject) && strlen($bject) >= 3
- && ($bject[0] == '?' || $bject[0] == '$')
- && ($bject[1] == '?' || $bject[1] == '$')
- ;
- }//public static function isPreparedVariable($bject)
-
-
-
- /**
- * Returns a placeholder to be included in the sql statement.
- * It will be replaced with a real prepared statement variable later on.
- * Also adds it to the internal placeholder array.
- *
- * @param string $strVariable The variable to get a placeholder for
- * @return string placeholder
- */
- protected function getPreparedVariablePlaceholder($strVariable)
- {
- $strName = substr($strVariable, 2);
- if (!isset($this->arPlaceholders[$strName])) {
- $this->arPlaceholders[$strName] = '@$%_PLACEHOLDER_'
- . count($this->arPlaceholders) . '_%$@';
- }
- return $this->arPlaceholders[$strName];
- }//protected function getPreparedVariablePlaceholder($strVariable)
-
-
-
- public function getPlaceholders()
- {
- return $this->arPlaceholders;
- }//public function getPlaceholders()
-
-
-
- public function getVarAssignments()
- {
- return $this->arVarAssignments;
- }//public function getVarAssignments()
-
-
-
- public function getUsedVarAssignments()
- {
- return $this->arUsedVarAssignments;
- }//public function getUsedVarAssignments()
-
-
-
- public function getUsedVarTypes()
- {
- return $this->arUsedVarTypes;
- }//public function getUsedVarTypes()
-
-
-
- /**
- * Removes all NULL values from an array and returns it.
- *
- * @param array $array Some array
- * @return array $array without the NULL values.
- */
- protected static function removeNull($array)
- {
- foreach ($array as $key => &$value) {
- if ($value === null) {
- unset($array[$key]);
- }
- }
- return $array;
- }//protected static function removeNull($array)
-
-
-
- /**
- * Removes a leading AND from the where clause which would render
- * the sql illegal.
- */
- protected function fixWhere($strWhere)
- {
- $strWhere = ltrim($strWhere);
- if (substr($strWhere, 0, 4) == 'AND ') {
- $strWhere = substr($strWhere, 4);
- }
- return $strWhere;
- }//protected function fixWhere($strWhere)
-
-
-
- protected function getSqlVariableName($var)
- {
- $strSparqlVar = (string)$var;
- if (!isset($this->arVarAssignments[$strSparqlVar]['sqlname'])) {
- if (preg_match('/[a-zA-Z0-9]+/', substr($strSparqlVar, 1))) {
- $strName = 'v_' . substr($strSparqlVar, 1);
- } else {
- $strName = 'va_' . $this->nSqlVariableNameCount++;
- }
- $this->arVarAssignments[$strSparqlVar]['sqlname'] = $strName;
- }
- return $this->arVarAssignments[$strSparqlVar]['sqlname'];
- }//protected function getSqlVariableName($var)
-
-
-
- protected function getSqlVariableNameValue($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_value'] =
- 'value_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_value'];
- }//protected function getSqlVariableNameValue($var)
-
-
-
- protected function getSqlVariableNameIs($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_is'] =
- 'is_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_is'];
- }//protected function getSqlVariableNameIs($var)
-
-
-
- protected function getSqlVariableNameLanguage($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_lang'] =
- 'lang_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_lang'];
- }//protected function getSqlVariableNameLanguage($var)
-
-
-
- protected function getSqlVariableNameDatatype($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_type'] =
- 'type_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_type'];
- }//protected function getSqlVariableNameDatatype($var)
-
-
-
- public function setStatementsTable($tblStatements)
- {
- $this->tblStatements = $tblStatements;
- }//public function setStatementsTable($tblStatements)
-
-}//class SparqlEngineDb_SqlGenerator
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGeneratorException.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGeneratorException.php.svn-base
deleted file mode 100755
index fd3d14f9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlGeneratorException.php.svn-base
+++ /dev/null
@@ -1,14 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlGeneratorException extends Exception
-{
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlMerger.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlMerger.php.svn-base
deleted file mode 100755
index 53e0685c..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/SqlMerger.php.svn-base
+++ /dev/null
@@ -1,46 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlMerger
-{
- public static function getSelect(Query $query, $arSqls, $strAdditional = '')
- {
- if (count($arSqls) == 1) {
- return implode('', $arSqls[0]) . $strAdditional;
- }
-
- //union
- $strUnion = 'UNION' .
- ($query->getResultForm() == 'select distinct' ? '' : ' ALL');
- $ar = array();
- foreach ($arSqls as $arSql) {
- $ar[] = implode('', $arSql) . $strAdditional;
- }
- return '(' . implode(') ' . $strUnion . ' (', $ar) . ')';
- }//public static function getSelect(Query $query, $arSqls, $strAdditional = '')
-
-
-
- public static function getCount(Query $query, $arSqls, $strAdditional = '')
- {
- if (count($arSqls) == 1) {
- return 'SELECT COUNT(*) as count ' . $arSqls[0]['from'] . $arSqls[0]['where'] . $strAdditional;
- }
-
- $ar = array();
- foreach ($arSqls as $arSql) {
- $ar[] = implode('', $arSql) . $strAdditional;
- }
- return 'SELECT (' . implode(') + (', $ar) . ') as count';
- }//public static function getCount(Query $query, $arSqls, $strAdditional = '')
-
-}//class SparqlEngineDb_SqlMerger
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/TypeSorter.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/TypeSorter.php.svn-base
deleted file mode 100755
index 8efc4ef4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/.svn/text-base/TypeSorter.php.svn-base
+++ /dev/null
@@ -1,450 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_TypeSorter
-{
- /**
- * Defines the sort order for value types in the database,
- * so that they get sorted correctly as the specs want it.
- * @var array
- */
- public static $arTypeNumbers = array(
- null => 0,//empty
- 'b' => 1,//blank
- 'r' => 2,//resource
- 'l' => 3,//literal
- );
-
- /**
- * SQL types to cast XSD schema types to, so that they will get
- * sorted correctly.
- * @var array
- */
- public static $arCastTypes = array(
- 'http://www.w3.org/2001/XMLSchema#integer' => 'SIGNED INTEGER',
- 'http://www.w3.org/2001/XMLSchema#decimal' => 'DECIMAL',
- //yes, this does not work with multiple time zones.
- 'http://www.w3.org/2001/XMLSchema#dateTime' => 'CHAR',
- 'http://www.w3.org/2001/XMLSchema#date' => 'CHAR',
- );
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn)
- {
- $this->dbConn = $dbConn;
- $this->query = $query;
- }
-
-
- /**
- * Needs to be executed before getOrderifiedSqls and willBeDataDependent
- *
- * @param SparqlEngineDb_SqlGenerator $sg SQL generator object
- */
- public function setData(SparqlEngineDb_SqlGenerator $sg)
- {
- $this->arUsedVarTypes = $sg->getUsedVarTypes();
- $this->arUsedVarAssignments = $sg->getUsedVarAssignments();
- $this->arVarAssignments = $sg->getVarAssignments();
- }//public function setData(SparqlEngineDb_SqlGenerator $sg)
-
-
-
- /**
- * Returns an array of sql statements that need to be executed
- * and deliver the full result set when combined.
- *
- * Execute setData() before this.
- *
- * @internal It is not possible (ok, it is - but it would really complicate
- * the queries and the code here) to use UNION to combine the sqls to
- * a single one - UNION merges the results and does not keep the order
- * of the rows. Citing the mysql manual:
- * Use of ORDER BY for individual SELECT statements implies nothing
- * about the order in which the rows appear in the final result because
- * UNION by default produces an unordered set of rows. If ORDER BY
- * appears with LIMIT, it is used to determine the subset of the
- * selected rows to retrieve for the SELECT, but does not necessarily
- * affect the order of those rows in the final UNION result.
- * If ORDER BY appears without LIMIT in a SELECT, it is
- * optimized away because it will have no effect anyway.
- *
- * @param string $strSelect SELECT clause
- * @param string $strFrom FROM clause
- * @param string $strWhere WHERE clause
- * @return array Array of arrays. Imploding an array will give
- * a complete sql statement. The array will have the keys
- * select/from/where/order.
- */
- public function getOrderifiedSqls($arSqls)
- {
- if (count($arSqls) == 0) {
- return $arSqls;
- }
-
- $strSelect = $arSqls[0]['select'];
- $strFrom = $arSqls[0]['from'];
- $strWhere = $arSqls[0]['where'];
-
- $strResultForm = $this->query->getResultForm();
- if ($strResultForm == 'ask' || $strResultForm == 'count') {
- return array(
- $arSqls
- );
- }
-
- $arSpecial = $this->getSpecialOrderVariables();
- if (count($arSpecial) == 0) {
- $strOrder = $this->getSqlOrderBy();
- foreach ($arSqls as &$arSql) {
- $arSql['order'] = $strOrder;
- }
- return array(
- $arSqls
- );
- }
-
- $arTypeSets = $this->orderTypeSets(
- $this->getTypeSets($arSpecial, $strFrom, $strWhere)
- );
-
- $arNewSqls = array();
- foreach ($arTypeSets as $arTypeSet) {
- $arSqlParts = array();
- foreach ($arSqls as $arSql) {
- $arSql['where'] .= $this->getTypesetWhereClause($arTypeSet);
- $arSql['order'] = $this->getSqlOrderBy($arTypeSet);
- $arSqlParts[] = $arSql;
- }
- $arNewSqls[] = $arSqlParts;
- }
-
- return $arNewSqls;
- }//public function getOrderifiedSqls($arUsedVarAssignments, $strSelect, $strFrom, $strWhere)
-
-
-
- /**
- * Returns wether the returned queries will depend on the data or not.
- * If the queries depend on the data, they cannot be prepare()d and
- * thus won't be that fast when executing.
- *
- * Execute setData() before this.
- *
- * @return boolean
- */
- public function willBeDataDependent()
- {
- $strResultForm = $this->query->getResultForm();
- return !(
- $strResultForm == 'ask' || $strResultForm == 'count'
- || count($this->getSpecialOrderVariables()) == 0
- );
- }//public function willBeDataDependent()
-
-
-
- /**
- * Returns an array of variables that the result is going to be
- * ordered by and that need to be sorted multiple times
- * (because they may contain different data types)
- *
- * @return array Array of sparql variable names
- */
- protected function getSpecialOrderVariables()
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] === null) {
- return array();
- }
-
- $arSpecial = array();
- foreach ($arSM['order by'] as $arVar) {
- if ($this->isSpecialOrderVariable($arVar['val'])) {
- $arSpecial[] = $arVar['val'];
- }
- }
- return $arSpecial;
- }//protected function getSpecialOrderVariables()
-
-
-
- /**
- * Checks if a given variable name is a variable that
- * needs special care when used in ORDER BY statements.
- *
- * @param string $strVar SPARQL variable name
- * @return boolean true if the variable needs special care
- */
- protected function isSpecialOrderVariable($strVar)
- {
- return !isset($this->arUsedVarTypes[$strVar]['s'])
- && !isset($this->arUsedVarTypes[$strVar]['p']);
- }//protected function isSpecialOrderVariable($arVar)
-
-
-
- /**
- * Determines the type sets in the query results.
- * A type set is a distinct set of variables and their types,
- * e.g. the variable and its type (r/b/l) and its datatype
- * if its an object.
- *
- * @param array $arSpecialVars Special variables as returned by
- * getSpecialOrderVariables()
- * @param string $strFrom FROM part of the sql query
- * @param string $strWhere WHERE part of the sql query
- *
- * @return array Key is the sparql variable name, value is an
- * array. This one has one key 'type' with a
- * value of b/l/r. It might have another key
- * 'datatype' with the resource's datatype.
- */
- protected function getTypeSets($arSpecialVars, $strFrom, $strWhere)
- {
- $arSel = array();
- foreach ($arSpecialVars as $strSparqlVar) {
- if ($this->arVarAssignments[$strSparqlVar][1] == 'o') {
- $arSel[] = $this->arVarAssignments[$strSparqlVar][0] . '.l_datatype'
- . ' as "' . $strSparqlVar . '-datatype"';
- }
- $strTypeCol = $this->arVarAssignments[$strSparqlVar][1] == 'o'
- ? 'object_is' : 'subject_is';
- $this->arVarAssignments[$strSparqlVar][2] = $strTypeCol;
- $arSel[] = $this->arVarAssignments[$strSparqlVar][0] . '.' . $strTypeCol
- . ' as "' . $strSparqlVar . '-type"';
- }
-
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
- $sql = 'SELECT DISTINCT ' . implode(', ', $arSel) . ' ' . $strFrom . $strWhere;
- $arResult = $this->dbConn->execute($sql);
- $this->dbConn->SetFetchMode($oldmode);
-
- if ($arResult === false) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Error reading typesets: ' . $sql
- );
- }
-
- $arTypes = array();
- foreach ($arResult as $arRow) {
- $nLine = count($arTypes);
- foreach ($arRow as $key => $value) {
- list($strSparqlVar, $strType) = explode('-', $key);
- $arTypes[$nLine][$strSparqlVar][$strType] = $value;
- }
- }
-
- return $arTypes;
- }//protected function getTypeSets($arSpecialVars, $strFrom, $strWhere)
-
-
-
- /**
- * Takes an array of type sets (as returned by getTypeSets()) and
- * sorts the variables according to the SPARQL specs.
- *
- * @param array $arTypes Array of type sets
- * @return array Ordered array of type sets
- */
- protected function orderTypeSets($arTypes)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] !== null) {
- $this->arDirection = array();
- foreach ($arSM['order by'] as $arVar) {
- $this->arDirection[$arVar['val']] =
- (strtoupper($arVar['type']) == 'ASC' ? 1 : -1);
- }
- }
-
- usort($arTypes, array($this, 'compareTypeSet'));
-
- return $arTypes;
- }//protected function orderTypeSets($arTypes)
-
-
-
- /**
- * Compares two type sets. Works like a normal comparision
- * method that returns -1/0/1 for use in usort()
- *
- * @param array $arTs1 First typeset
- * @param array $arTs2 Second typeset
- * @return int Comparison value
- */
- public function compareTypeSet($arTs1, $arTs2)
- {
- foreach ($arTs1 as $strSparqlVar => $arType1) {
- //compare types
- $n = self::$arTypeNumbers[$arType1['type']]
- - self::$arTypeNumbers[$arTs2[$strSparqlVar]['type']];
- if ($n != 0) {
- //and take ASC/DESC into account
- return $n * $this->arDirection[$strSparqlVar];
- }
-
- //compare the datatypes
- $n = self::compareXsdType(
- $arType1['datatype'],
- $arTs2[$strSparqlVar]['datatype']
- );
- //if they are not equal, return the value
- if ($n != 0) {
- //and take ASC/DESC into account
- return $n * $this->arDirection[$strSparqlVar];
- }
- }
-
- //they are equal
- return 0;
- }//public function compareTypeSet($arTs1, $arTs2)
-
-
-
- /**
- * Compares two XSD data types and returns the comparison number.
- *
- * @param string $strType1 First data type
- * @param string $strType2 Second data type
- * @return int Comparison number (<0 if $strType1 is less than
- * $strType2, 0 if equal, >0 if type2 is greater)
- */
- public static function compareXsdType($strType1, $strType2)
- {
- return self::getXsdTypeNumber($strType1) - self::getXsdTypeNumber($strType2);
- }//public static function compareXsdType($strType1, $strType2)
-
-
-
- /**
- * Returns the type number for an xsd data type.
- *
- * @param string $strType XSD data type
- * @return int Some integer to compare two types.
- */
- public static function getXsdTypeNumber($strType)
- {
- if ($strType === null) {
- return 0;
- } else if ($strType == '') {
- return 1;
- } else {
- return 2;
- }
- }//public static function getXsdTypeNumber($strType)
-
-
-
- /**
- * Returns the ORDER BY sql query string
- * if neccessary for the query. The returned string
- * already has ORDER BY prefixed.
- *
- * @internal Also takes care of casting the data if the type
- * is listed in $arCastTypes. See getCastMethod() for more info.
- *
- * @param arrray $arTypeSet Single typeset
- * @return string ORDER BY ... string or empty string
- */
- function getSqlOrderBy($arTypeSet = array())
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] === null) {
- return '';
- }
-
- $sqlOrder = array();
- foreach ($arSM['order by'] as $arVar) {
- $strSparqlVar = $arVar['val'];
- if (isset($this->arUsedVarAssignments[$strSparqlVar])) {
- if (!isset($arTypeSet[$strSparqlVar]['datatype'])
- || $arTypeSet[$strSparqlVar]['datatype'] == '') {
- $sqlOrder[] = $this->arUsedVarAssignments[$strSparqlVar] . ' ' . strtoupper($arVar['type']);
- } else {
- $sqlOrder[] = self::getCastMethod(
- $arTypeSet[$strSparqlVar]['datatype'],
- $this->arUsedVarAssignments[$strSparqlVar]
- ) . ' ' . strtoupper($arVar['type']);
- }
- }
- }
-
- return ' ORDER BY ' . implode(', ', $sqlOrder);
- }//function getSqlOrderBy($arTypeSet = array())
-
-
-
- /**
- * Returns the SQL statement needed to case the given variable to
- * the given type.
- *
- * @param string $strType XML data type
- * @param string $strSqlVar SQL variable name
- * @return string SQL command to cast the variable
- */
- protected static function getCastMethod($strType, $strSqlVar)
- {
- if (isset(self::$arCastTypes[$strType])) {
- return 'CAST(' . $strSqlVar . ' as ' . self::$arCastTypes[$strType] . ')';
- } else {
- //unsupported type!
- throw new Exception('Unsupported cast type in order by: ' . $strType);
- return $strSqlVar;
- }
- }//protected static function getCastMethod($strType, $strSqlVar)
-
-
-
- /**
- * Creates and returns the SQL WHERE clauses needed to get only
- * data in the given typeset.
- *
- * @param array $arTypeSet Typeset
- * @return string Clauses for the WHERE part in an SQL query
- */
- protected function getTypesetWhereClause($arTypeSet)
- {
- $strWhereTypes = '';
- foreach ($arTypeSet as $strSparqlVar => $arType) {
- //check type
- $strWhereTypes .= ' AND ' . $this->arVarAssignments[$strSparqlVar][0]
- . '.' . $this->arVarAssignments[$strSparqlVar][2]
- . $this->getStringNullComparison($arType['type']);
- //check datatype
- if (isset($arType['datatype'])) {
- $strWhereTypes .= ' AND ' . $this->arVarAssignments[$strSparqlVar][0]
- . '.l_datatype '
- . $this->getStringNullComparison($arType['datatype']);
- }
- }
- return $strWhereTypes;
- }//protected function getTypesetWhereClause($arTypeSet)
-
-
-
- /**
- * Returns the correct sql string comparison method.
- *
- * @internal If the string is NULL, an "IS NULL" sql statment
- * will be returned, and a normal "= 'something'" if it is
- * a normal string.
- */
- protected function getStringNullComparison($str)
- {
- if ($str === null) {
- return ' IS NULL';
- } else {
- return ' = ' . $this->dbConn->qstr($str) . '';
- }
- }//protected function getStringNullComparison($str)
-
-}//class SparqlEngineDb_TypeSorter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/FilterGenerator.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/FilterGenerator.php
deleted file mode 100755
index 501aeb5f..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/FilterGenerator.php
+++ /dev/null
@@ -1,846 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_FilterGenerator
-{
- /**
- * SQL Generator
- * @var SparqlEngineDb_SqlGenerator
- */
- protected $sg = null;
-
- /**
- * If the filter is in an optional statement
- * @var boolean
- */
- protected $bOptional = false;
-
- /**
- * Number of parameters for the functions supported.
- * First value is minimum, second is maximum.
- * @var array
- */
- protected static $arFuncParamNumbers = array(
- 'bound' => array(1, 1),
- 'datatype' => array(1, 1),
- 'isblank' => array(1, 1),
- 'isiri' => array(1, 1),
- 'isliteral' => array(1, 1),
- 'isuri' => array(1, 1),
- 'lang' => array(1, 1),
- 'langmatches' => array(2, 2),
- 'regex' => array(2, 3),
- 'sameterm' => array(2, 2),
- 'str' => array(1, 1),
- 'xsd:datetime' => array(1, 1),
- );
-
- /**
- * List of operators and their counterpart if operands are switched.
- * (a > b) => (b < a)
- * @var array
- */
- protected static $arOperatorSwitches = array(
- '>' => '<',
- '<' => '>',
- '>=' => '<=',
- '<=' => '>=',
- );
-
- protected static $arDumbOperators = array(
- '&&', '||'
- );
-
- protected static $typeXsdBoolean = 'http://www.w3.org/2001/XMLSchema#boolean';
- protected static $typeXsdDateTime = 'http://www.w3.org/2001/XMLSchema#dateTime';
- protected static $typeXsdDouble = 'http://www.w3.org/2001/XMLSchema#double';
- protected static $typeXsdInteger = 'http://www.w3.org/2001/XMLSchema#integer';
- protected static $typeXsdString = 'http://www.w3.org/2001/XMLSchema#string';
- protected static $typeVariable = 'variable';
-
-
-
- public function __construct(SparqlEngineDb_SqlGenerator $sg)
- {
- $this->sg = $sg;
- }//public function __construct(SparqlEngineDb_SqlGenerator $sqlgen)
-
-
-
- /**
- * Creates the SQL representing a Sparql FILTER.
- *
- * @param array $tree Filter element tree as returned by
- * SparqlParser::parseConstraintTree()
- * @param boolean $bOptional If the filter is in an optional statement
- * @return string SQL WHERE part with prefixed AND
- */
- public function createFilterSql($tree, $bOptional, $nUnionCount)
- {
- if (count($tree) == 0) {
- //empty filter pattern?
- return '';
- }
-
- $this->bOptional = $bOptional;
- $this->nUnionCount = $nUnionCount;
-
- return ' AND ' . $this->createTreeSql($tree, null);
- }//public function createFilterSql($tree)
-
-
-
- /**
- *
- */
- protected function createTreeSql($tree, $parent)
- {
- switch ($tree['type']) {
- case 'equation':
- $sql = $this->createEquation($tree);
- break;
- case 'value':
- if ($parent != null) {
- $bDumbParent = $parent['type'] == 'equation'
- && in_array($parent['operator'], self::$arDumbOperators);
- } else {
- $bDumbParent = true;
- }
- $sql = $this->createValue($tree, $bDumbParent);
- break;
- case 'function':
- $sql = $this->createFunction($tree);
- break;
- default:
- //var_dump($tree);
- throw new SparqlEngineDb_SqlGeneratorException('Unsupported tree type: ' . $tree['type']);
- break;
- }
-
- if (isset($tree['negated'])) {
- $sql = '!(' . $sql . ')';
- }
-
- return $sql;
- }//protected function createTreeSql($tree, $strParentType)
-
-
-
- /**
- * Creates the sql for an element of type "value".
- *
- * @param array $tree Element
- * @param boolean $bDumbParent True if the parent is a boolean equation or null.
- */
- protected function createValue($tree, $bDumbParent)
- {
- $strValue = stripslashes($tree['value']);
- if (SparqlVariable::isVariable($strValue)) {
- if (!isset($this->sg->arUnionVarAssignments[$this->nUnionCount][$strValue])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unknown variable in filter: ' . $strValue
- );
- }
-
- if ($bDumbParent) {
- return $this->createBooleanValue($tree);
- } else if ($this->isObject($tree)) {
- //convert datetime to datetime if necessary
- return self::mkVal(
- '(CASE'
- . ' WHEN ' . $this->getDatatypeCol($tree) . ' = "' . self::$typeXsdBoolean . '"'
- . ' THEN IF(LOWER(' . $this->getValueCol($tree) . ') = "true", TRUE, FALSE)'
- . ' ELSE ' . $this->getValueCol($tree)
- . ' END)',
- self::$typeVariable
- );
- } else {
- return self::mkVal(
- $this->getValueCol($tree),
- self::$typeVariable
- );
- }
- }
-
- if ($this->isNumber($tree)) {
- return $strValue;
- } else if ($tree['quoted'] === false &&
- (!isset($tree['datatype']) || $tree['datatype'] != self::$typeXsdBoolean)
- ) {
- $strValueNew = $this->sg->query->getFullUri($strValue);
- if ($strValueNew === false) {
- if ($strValue[0] == '<' && substr($strValue, -1) == '>') {
- $strValue = substr($strValue, 1, -1);
- } else {
-var_dump($tree);
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unexpected value "' . $strValue . '" (expected datatype)'
- );
- }
- } else {
- $strValue = $strValueNew;
- }
- } else if (isset($tree['datatype'])) {
- switch ($tree['datatype']) {
- case self::$typeXsdBoolean:
- if (strtolower($strValue) == 'false') {
- //fix: (bool)"false" === true
- $strValue = false;
- }
- return self::mkVal(
- (bool)$strValue ? 'TRUE' : 'FALSE',
- self::$typeXsdBoolean
- );
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported datatype "' . $tree['datatype']
- );
- }
- }
-
- return self::mkVal(
- '"' . addslashes($strValue) . '"',
- self::$typeXsdString
- );
- }//protected function createValue($tree)
-
-
-
- protected function createBooleanValue($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- if (!$this->isObject($tree)) {
- //Maybe needs a fix
- $strSqlCol = SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType]['value'];
- return self::mkVal(
- $strTable . '.' . $strSqlCol . ' != ""',
- self::$typeXsdBoolean
- );
- }
-
- $cType = $strTable . '.l_datatype';
- $cValue = $strTable . '.object';
- $xsd = 'http://www.w3.org/2001/XMLSchema';
-
- return self::mkVal(
- '('
- . "(($cType = '' || $cType = '$xsd#string') AND $cValue != '')"
- . " OR ($cType = '$xsd#boolean' AND $cValue != 'false')"
- . " OR (($cType = '$xsd#integer' || $cType = '$xsd#double') AND CAST($cValue AS DECIMAL(15,10)) != 0)"
- //plain check for all unknown datatypes
- . " OR ($cType != '' AND $cType != '$xsd#string' AND $cType != '$xsd#boolean' AND $cType != '$xsd#integer' AND $cType != '$xsd#double' AND $cValue != '')"
- . ')',
- self::$typeXsdBoolean
- );
- }//protected function createBooleanValue($tree)
-
-
-
- protected function createFunction($tree)
- {
- $strFuncName = strtolower($tree['name']);
- if (!isset(self::$arFuncParamNumbers[$strFuncName])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported FILTER function: ' . $strFuncName
- );
- }
-
- $nParams = count($tree['parameter']);
- if ($nParams < self::$arFuncParamNumbers[$strFuncName][0]
- || $nParams > self::$arFuncParamNumbers[$strFuncName][1]
- ) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Wrong parameter count for FILTER function: ' . $strFuncName
- . ' (got ' . $nParams . ', expected '
- . self::$arFuncParamNumbers[$strFuncName][0]
- . '-' . self::$arFuncParamNumbers[$strFuncName][1]
- );
- }
-
- $strThisFunc = 'createFunction_' . str_replace(':', '_', $strFuncName);
- return $this->$strThisFunc($tree);
- }//protected function createFunction($tree)
-
-
-
- protected function createEquation($tree)
- {
- $strExtra = '';
- $strIsNull = '';
- $strIsNullEnd = '';
-
- if (($this->isNumber($tree['operand1']) || $this->isPlainString($tree['operand1']))
- && $this->isObject($tree['operand2'])
- ) {
- //switch operands and operator
- $tmp = $tree['operand1'];
- $tree['operand1'] = $tree['operand2'];
- $tree['operand2'] = $tmp;
- $tree['operator'] = self::switchOperator($tree['operator']);
- }
-
- $val1 = $this->createTreeSql($tree['operand1'], $tree);
- $val2 = $this->createTreeSql($tree['operand2'], $tree);
-
- if ($this->isObject($tree['operand1'])) {
- if ($this->bOptional) {
- $strIsNull = '(';
- $strIsNullEnd = ' OR ' . $val1 . ' IS NULL)';
- }
- if (isset($tree['operand2']['language'])) {
- $strColLanguage = $this->getLangCol($tree['operand1']);
- $strExtra .= ' AND ' . $strColLanguage . ' = "'
- . addslashes($tree['operand2']['language'])
- . '"';
- }
-
- if ($this->isNumber($tree['operand2'])) {
- $strColDatatype = $this->getDatatypeCol($tree['operand1']);
- $strExtra .= ' AND (' . $strColDatatype . ' = "' . self::$typeXsdDouble . '"'
- . ' OR ' . $strColDatatype . ' = "' . self::$typeXsdInteger . '"'
- . ')';
- return $strIsNull . '('
- . 'CAST(' . $val1 . ' AS DECIMAL(15,10))'
- . ' ' . $tree['operator'] . ' '
- . $val2
- . $strExtra
- . ')' . $strIsNullEnd;
- }
- }
-
- //I don't check the operator since it is already checked in the parser
- return $strIsNull . '('
- . '('
- . $val1
- . ' ' . $tree['operator'] . ' '
- . $val2
- . $strExtra
- . ')'
- . $this->createTypeEquation(
- $tree['operator'], $val1, $val2,
- $tree['operand1'], $tree['operand2']
- )
- . ')' . $strIsNullEnd;
- }//protected function createEquation($tree)
-
-
-
- /**
- * Generates sql code to make sure the datatypes of the two operands match
- */
- protected function createTypeEquation($operator, $val1, $val2, $tree1, $tree2)
- {
- if (in_array($operator, array('&&', '||'))) {
- return '';
- }
-
- if ($val1->type != self::$typeVariable && $val2->type != self::$typeVariable) {
- //both are not variables -> type needs to be the same
- return $val1->type == $val2->type ? '' : ' AND FALSE';
- }
- $so1 = $this->isObjectOrSubject($tree1);
- $so2 = $this->isObjectOrSubject($tree2);
- $o1 = $this->isObject($tree1);
- $o2 = $this->isObject($tree2);
-
- if ($so1 && $so2) {
- $sql = ' AND ' . $this->getIsCol($tree1) . ' = ' . $this->getIsCol($tree2);
- if ($o1 && $o2) {
- //maybe needs string fix
- $sql .= ' AND ' . $this->getDatatypeCol($tree1) . ' = '
- . $this->getDatatypeCol($tree2);
- }
- return $sql;
- }
-
- if ($o1 && $val2->type != self::$typeVariable) {
- return $this->createSingleTypeCheck($val2, $tree1);
- } else if ($o2 && $val1->type != self::$typeVariable) {
- return $this->createSingleTypeCheck($val1, $tree2);
- }
-
- //fixme
- return '';
- }//protected function createTypeEquation($operator, $val1, $val2, $tree1, $tree2)
-
-
-
- /**
- * Creates sql to ensure the type between $val and variable $tree
- * is the same.
- */
- protected function createSingleTypeCheck($val, $tree)
- {
- if ($val->type == self::$typeXsdString) {
- //string can be empty type or xsd type
- return ' AND ('
- . $this->getDatatypeCol($tree) . ' = "' . $val->type . '"'
- . ' OR '
- . $this->getDatatypeCol($tree) . ' = ""'
- . ')';
- }
- return ' AND ' . $this->getDatatypeCol($tree) . ' = "' . $val->type . '"';
- }//protected function createSingleTypeCheck($val, $tree)
-
-
-
- /*
- * SQL generation functions
- */
-
-
-
- /**
- * Creates an sql statement that returns if the element is a blank node
- */
- protected function createFunction_bound($tree)
- {
- if ($this->isVariable($tree['parameter'][0])) {
- return self::mkVal(
- $this->getValueCol($tree['parameter'][0]) . ' IS NOT NULL',
- self::$typeXsdBoolean
- );
- }
-
- //We'll see which other cases occur here
- return self::mkVal('TRUE', self::$typeXsdBoolean);
- }//protected function createFunction_bound($tree)
-
-
-
- protected function createFunction_datatype($tree)
- {
- if (!$this->isObject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'datatype\'s first parameter needs to be an object'
- );
- }
-
- return self::mkVal(
- $this->getDatatypeCol($tree['parameter'][0]),
- self::$typeXsdString
- );
- }//protected function createFunction_datatype($tree)
-
-
-
- /**
- * Creates an sql statement that returns if the element is a blank node
- */
- protected function createFunction_isblank($tree)
- {
- if (!$this->isObjectOrSubject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'isBlank\'s first parameter needs to be an object or subject'
- );
- }
-
- return self::mkVal(
- $this->getIsCol($tree['parameter'][0]) . ' = "b"',
- self::$typeXsdBoolean
- );
- }//protected function createFunction_isblank($tree)
-
-
-
- protected function createFunction_isiri($tree)
- {
- return $this->createFunction_isuri($tree);
- }//protected function createFunction_isiri($tree)
-
-
-
- /**
- * Creates an sql statement that returns the language of the object
- */
- protected function createFunction_isliteral($tree)
- {
- if ($this->isObjectOrSubject($tree['parameter'][0])) {
- return $this->getIsCol($tree['parameter'][0]) . ' = "l"';
- }
-
- //This does not take combined functions into account (subfunctions)
- return self::mkVal(
- $this->isPlainString($tree) ? 'TRUE' : 'FALSE',
- self::$typeXsdBoolean
- );
- }//protected function createFunction_isliteral($tree)
-
-
-
- protected function createFunction_isuri($tree)
- {
- if ($this->isObjectOrSubject($tree['parameter'][0])) {
- return self::mkVal(
- $this->getIsCol($tree['parameter'][0]) . ' = "r"',
- self::$typeXsdBoolean
- );
- } else {
- //predicates are iris
- return self::mkVal('TRUE', self::$typeXsdBoolean);
- }
- }//protected function createFunction_isuri($tree)
-
-
-
- /**
- * Creates an sql statement that returns the language of the object
- */
- protected function createFunction_lang($tree)
- {
- if (!$this->isObject($tree['parameter'][0])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'lang\'s first parameter needs to be an object'
- );
- }
- return self::mkVal(
- $this->getLangCol($tree['parameter'][0]),
- self::$typeXsdString
- );
- }//protected function createFunction_lang($tree)
-
-
-
- /**
- * Creates an sql statement that checks if the variable
- * matches a given language
- */
- protected function createFunction_langmatches($tree)
- {
- //those two restrictions are needed until we have a mysql-only
- // langmatches function
- if ($tree['parameter'][0]['type'] != 'function'
- || $tree['parameter'][0]['name'] != 'lang'
- ) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'langMatches\' first parameter needs to be a lang() function'
- );
- }
-
- if (!$this->isPlainString($tree['parameter'][1])) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'langMatches\' second parameter needs to be a string'
- );
- }
-
- $lang = $tree['parameter'][1]['value'];
- $col = $this->createTreeSql($tree['parameter'][0], $tree);
-
- switch ($lang) {
- case '*':
- //anything but nothing
- $sql = $col . ' != ""';
- break;
- case '':
- //nothing
- $sql = $col . ' = ""';
- break;
- default:
- //language, maybe with different subcode
- // en -> en, en-US
- $sql = '(' . $col . ' = "' . addslashes($lang) . '" OR '
- . $col . ' LIKE "' . addslashes($lang) . '-%")';
- break;
- }
-
- return self::mkVal($sql, self::$typeXsdBoolean);
- }//protected function createFunction_isuri($tree)
-
-
-
- /**
- * Creates an sql statement that checks if the given part matches
- * an regex
- */
- protected function createFunction_regex($tree)
- {
- $strVar = $this->createTreeSql($tree['parameter'][0], $tree);
- $strRegex = $this->createTreeSql($tree['parameter'][1], $tree);
-
- if (isset($tree['parameter'][2])) {
- //is quoted
- $strMod = $this->createTreeSql($tree['parameter'][2], $tree);
- switch ($strMod) {
- case '':
- case '""':
- $sql = $strVar . ' REGEXP ' . $strRegex;
- break;
-
- case '"i"':
- $sql = 'CAST(' . $strVar . ' AS CHAR) REGEXP ' . $strRegex;
- break;
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported regex modifier "'
- . $strMod
- . '"'
- );
- }
- } else {
- $sql = $strVar . ' REGEXP ' . $strRegex;
- }
-
- if ($this->isObject($tree['parameter'][0])) {
- $col = $this->getIsCol($tree['parameter'][0]);
- $sql = "($sql AND $col = 'l')";
- }
-
- return self::mkVal($sql, self::$typeXsdBoolean);
- }//protected function createFunction_regex($tree)
-
-
-
- /**
- * Creates an sql statement that checks if both terms are the same
- */
- protected function createFunction_sameterm($tree)
- {
- //FIXME: dead simple implementation that does not cover all cases
- return self::mkVal(
- $this->createTreeSql($tree['parameter'][0], $tree)
- . ' = '
- . $this->createTreeSql($tree['parameter'][1], $tree),
- self::$typeXsdBoolean
- );
- }//protected function createFunction_sameterm($tree)
-
-
-
- /**
- * Creates an sql statement that returns the string representation
- * of the given element
- */
- protected function createFunction_str($tree)
- {
- if ($this->isObject($tree['parameter'][0])) {
- return self::mkVal(
- '(CASE ' . $this->getIsCol($tree['parameter'][0])
- . ' WHEN "b" THEN ""'
- . ' ELSE ' . $this->getValueCol($tree['parameter'][0])
- . ' END)',
- self::$typeXsdString
- );
- }
-
- return $this->createTreeSql($tree['parameter'][0], $tree);
- }//protected function createFunction_str($tree)
-
-
-
- /**
- * Creates an sql statement that returns the datetime representation
- * of the given element
- */
- protected function createFunction_xsd_datetime($tree)
- {
- $val = $this->createTreeSql($tree['parameter'][0], $tree);
- if ($val->type == self::$typeXsdDateTime
- || $val->type == self::$typeVariable) {
- //no need to cast again
- return $val;
- }
- return self::mkVal(
- $this->getDateConversionSql($val),
- self::$typeXsdDateTime
- );
- }//protected function createFunction_xsd_datetime($tree)
-
-
-
-
- /*
- * Helper methods
- */
-
-
-
- protected static function mkVal($value, $type = null) {
- return new SparqlEngineDb_FilterGenerator_Value($value, $type);
- }
-
-
-
- protected function getCol($tree, $type)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- if (!isset(SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType][$type])) {
- return false;
- }
- $strSqlCol = SparqlEngineDb_SqlGenerator::$arTableColumnNames[$chType][$type];
- return $strTable . '.' . $strSqlCol;
- }
-
-
-
- protected function getDatatypeCol($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- return $strTable . '.l_datatype';
- }
-
-
-
- protected function getDateConversionSql($strValue)
- {
- return 'STR_TO_DATE(' . $strValue . ', "%Y-%m-%dT%H:%i:%sZ")';
- }//protected function getDateConversionSql($strValue)
-
-
-
- protected function getIsCol($tree)
- {
- return $this->getCol($tree, 'is');
- }
-
-
-
- protected function getLangCol($tree)
- {
- list($strTable, $chType) = $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']];
- return $strTable . '.l_language';
- }
-
-
-
- protected function getValueCol($tree)
- {
- return $this->getCol($tree, 'value');
- }
-
-
-
- protected function isNumber($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === false
- && preg_match('#^[0-9.]+$#', $tree['value'])
- && floatval($tree['value']) == $tree['value'];
- }//protected function isNumber($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- * and the variable is actually an object in the database.
- *
- * @param array $tree Tree element
- * @return boolean True if the element is an object
- */
- protected function isObject($tree)
- {
- return $this->isVariable($tree)
- && $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 'o';
- }//protected function isVariable($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- * and the variable is actually an object or a subject in the database.
- *
- * @param array $tree Tree element
- * @return boolean True if the element is an object or an subject
- */
- protected function isObjectOrSubject($tree)
- {
- return $this->isVariable($tree)
- && (
- $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 'o'
- || $this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']][1] == 's'
- );
- }//protected function isObjectOrSubject($tree)
-
-
-
- /**
- * Checks if the given tree element is a plain string (no variable)
- *
- * @param array $tree Tree element
- * @return boolean True if the element is a string
- */
- protected function isPlainString($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === true;
- }//protected function isPlainString($tree)
-
-
-
- protected function isValueButNotVariableNorString($tree)
- {
- return $tree['type'] == 'value'
- && $tree['type']['quoted'] === false
- && !SparqlVariable::isVariable($tree['value']);
- }//protected function isValueButNotVariableNorString($tree)
-
-
-
- /**
- * Checks if the given tree element is a variable
- *
- * @param array $tree Tree element
- * @return boolean True if the element is a variable
- */
- protected function isVariable($tree)
- {
- return $tree['type'] == 'value'
- && $tree['quoted'] === false
- && SparqlVariable::isVariable($tree['value'])
- && isset($this->sg->arUnionVarAssignments[$this->nUnionCount][$tree['value']]);
- }//protected function isVariable($tree)
-
-
-
- protected static function switchOperator($op)
- {
- if (!isset(self::$arOperatorSwitches[$op])) {
- return $op;
- } else {
- return self::$arOperatorSwitches[$op];
- }
- }//protected static function switchOperator($op)
-
-}//class SparqlEngineDb_FilterGenerator
-
-
-
-
-/**
-* Value class that holds some arbitrary value
-* and a datatype.
-* Objects of this class can transparently be used in strings since
-* its __toString() returns the value.
-*/
-class SparqlEngineDb_FilterGenerator_Value
-{
- public $value = null;
- public $type = null;
-
-
-
- public function __construct($value, $type = null)
- {
- $this->value = $value;
- $this->type = $type;
- }
-
-
-
- public function __toString()
- {
- return $this->value;
- }
-
-}//class SparqlEngineDb_FilterGenerator_Value
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Offsetter.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Offsetter.php
deleted file mode 100755
index c4ff226a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Offsetter.php
+++ /dev/null
@@ -1,102 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_Offsetter
-{
- public function __construct(ADOConnection $dbConn, Query $query)
- {
- $this->dbConn = $dbConn;
- $this->query = $query;
- }//public function __construct(ADOConnection $dbConn, Query $query)
-
-
-
- /**
- * Determines the offset in the sqls, the position to start form.
- *
- * @param array $arSqls Array of SQL query parts as returned by
- * SparqlEngine_TypeSorter::getOrderifiedSqls()
- * @return array Array of two values: The first determines the
- * index of the sql query to begin with, the second
- * is the row offset that should be used in the final
- * SQL query.
- */
- public function determineOffset($arSqls)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['offset'] === null) {
- return array(0, 0);
- }
-
- $nCount = 0;
- foreach ($arSqls as $nId => $arSql) {
- $nCurrentCount = $this->getCount($arSql);
- if ($nCurrentCount + $nCount > $arSM['offset']) {
- return array($nId, $arSM['offset'] - $nCount);
- }
- $nCount += $nCurrentCount;
- }
- //nothing found - no results for this offset
- return array(count($arSqls), 0);
- }//public function determineOffset($arSql)
-
-
-
- /**
- * Returns the number of rows that the given query will return.
- *
- * @param array $arSql Array with sql parts and at least keys
- * 'from' and 'where' set.
- * @return int Number of rows returned.
- */
- protected function getCount($arSql)
- {
- $sql = SparqlEngineDb_SqlMerger::getCount($this->query, $arSql);
- $dbResult = $this->dbConn->execute($sql);
-
- $nCount = 0;
- foreach ($dbResult as $row) {
- $nCount = intval($row[0]);
- break;
- }
- return $nCount;
- }//protected function getCount($arSql)
-
-
-
- /**
- * Creates a sql LIMIT statement if the sparql query needs one.
- * This method is needed because AdoDb does not support limits with
- * prepared statements. It's a pity.
- *
- * @return string SQL command to be appended to a query, to limit
- * the number of result rows returned.
- */
- public static function getLimitSql(Query $query, ADOConnection $dbConn)
- {
- $arSM = $query->getSolutionModifier();
- if ($arSM['limit'] === null && $arSM['offset'] === null) {
- return '';
- }
- //this here is mysql syntax. if anyone has problems, write it
- //dependent on $dbConn's type
- if ($arSM['offset'] === null) {
- return ' LIMIT ' . $arSM['limit'];
- } else if ($arSM['limit'] === null) {
- return ' LIMIT ' . $arSM['offset'] . ', 18446744073709551615';
- } else {
- return ' LIMIT ' . $arSM['offset'] . ', ' . $arSM['limit'];
- }
- }//public static function getLimitSql(Query $query, ADOConnection $dbConn)
-
-}//class SparqlEngineDb_Offsetter
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Preparator.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Preparator.php
deleted file mode 100755
index bedd8b6b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/Preparator.php
+++ /dev/null
@@ -1,229 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_Preparator
-{
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn)
- {
- $this->query = $query;
- $this->dbConn = $dbConn;
- $this->arPrefixes = $this->query->getPrefixes();
- }//public function __construct(Query $query, ADOConnection $dbConn)
-
-
-
- /**
- * Converts the given queries into sql prepared statments,
- * calls the prepare command in the database and returns
- * an array consisting of subarrays. They contain
- * the db's prepared statement as first value, and an array
- * of variable positions as second value (key is the position,
- * the sparql variable is the value).
- *
- * @param array $arQueries Array of sql queries part arrays
- * @param array $arPlaceholders Array of sparql (variable name =>
- * placeholder name) pairs
- * @return array Array of (prepared statment, variable positions) pairs
- */
- public function prepareInDb($arQueries, $arPlaceholders)
- {
- $arDbStatements = array();
-
- foreach ($arQueries as $arQuery) {
- list($strPrepared, $arVariablePositions) = $this->replacePlaceholders(
- implode('', $arQuery),
- $arPlaceholders
- );
- if (count($arQueries) == 1) {
- //I currently haven't seens one case in which the count was > 1
- //if that happens, we will need to add a fix
- $strPrepared .= SparqlEngineDb_Offsetter::getLimitSql(
- $this->query,
- $this->dbConn
- );
- }
- $stmt = $this->dbConn->Prepare($strPrepared);
- $arDbStatements[] = array(
- $stmt,
- $arVariablePositions
- );
- }
-
- return $arDbStatements;
- }//public function prepareInDb($arQueries, $arPlaceholders)
-
-
-
- /**
- * Replaces the placeholders in the given SQL statement with real
- * SQL prepared statements placeholders.
- *
- * @param string $strQuery SQL query with placeholders
- * @param array $arPlaceholders Array of sparql (variable name =>
- * placeholder name) pairs
- * @return array (prepared sql query string, variable positions) pair
- */
- protected function replacePlaceholders($strQuery, $arPlaceholders)
- {
- $arVariablePositions = array();
- $this->arTmpVariablePositions = array();
- $this->arTmpPlaceholders = $arPlaceholders;
- $strQuery = preg_replace_callback(
- '/@\\$%_PLACEHOLDER_[0-9]+_%\\$@/',
- array($this, 'replacePlaceholdersCb'),
- $strQuery
- );
- return array($strQuery, $this->arTmpVariablePositions);
- }//protected function replacePlaceholders($strQuery, $arPlaceholders)
-
-
-
- /**
- * Callback method internally used by replacePlaceholders() method.
- */
- protected function replacePlaceholdersCb($matches)
- {
- $strPlaceholder = $matches[0];
- $strSparqlVariable = array_search(
- $strPlaceholder,
- $this->arTmpPlaceholders
- );
- $strDbPlaceholder = $this->dbConn->Param($strSparqlVariable);
- $this->arTmpVariablePositions[] = $strSparqlVariable;
-
- return $strDbPlaceholder;
- }//protected function replacePlaceholdersCb($matches)
-
-
-
- /**
- * Executes the given prepared statments, filling the placeholders
- * with the given values.
- *
- * @param array $arDbStatements Return value of prepareInDb()
- * @param array $arVariableValues Array of (variable name, value) pairs
- *
- * @return array Array of database results as returned by Execute()
- */
- public function execute($arDbStatements, $arVariableValues)
- {
- $arResults = array();
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
-
- foreach ($arDbStatements as $arStatement) {
- list($stmt, $arVariablePositions) = $arStatement;
- $arVariables = $this->createVariableArray(
- $arVariablePositions,
- $arVariableValues
- );
- $arResults[] = $this->dbConn->Execute($stmt, $arVariables);
- }
-
- $this->dbConn->SetFetchMode($oldmode);
-
- return $arResults;
- }//public function execute($arDbStatements, $arVariableValues)
-
-
-
- /**
- * Creates an array full of variables to be passed to the Execute() method
- * of the database connection object.
- * Uses the variable positions array to get the positions of the variables
- * in the result array, and the variable value array to get the actual
- * values for the prepared statement.
- *
- * @param array $arVariablePositions Positions of the variables as returned
- * by replacePlaceholders().
- * @param array $arVariableValues Array of (variable name, value) pairs
- *
- * @return array Array of variable values
- */
- protected function createVariableArray($arVariablePositions, $arVariableValues)
- {
- $arVariables = array();
-
- foreach ($arVariablePositions as $nPos => $strVariable) {
- if (!isset($arVariableValues[$strVariable])) {
- throw new Exception('No value for variable "' . $strVariable . '" in prepared statement');
- }
-
- $strValue = self::replacePrefix(
- $arVariableValues[$strVariable],
- $this->arPrefixes
- );
-
- $arVariables[$nPos] = $strValue;
- }
-
- return $arVariables;
- }//protected function createVariableArray($arVariablePositions, $arVariableValues)
-
-
-
- /**
- * Replaces all placeholders with their actual values.
- */
- public function replacePlaceholdersWithVariables($strQuery, $arPlaceholders, $arVariableValues)
- {
- $this->arTmpPlaceholders = $arPlaceholders;
- $this->arTmpVariableValues = $arVariableValues;
-
- $strQuery = preg_replace_callback(
- '/@\\$%_PLACEHOLDER_[0-9]+_%\\$@/',
- array($this, 'replacePlaceholdersWithVariablesCb'),
- $strQuery
- );
-
- return $strQuery;
- }//public function replacePlaceholdersWithVariables($strQuery, $arPlaceholders, $arVariableValues)
-
-
-
- /**
- * Callback method internally used by
- * replacePlaceholdersWithVariables() method.
- */
- protected function replacePlaceholdersWithVariablesCb($matches)
- {
- $strPlaceholder = $matches[0];
- $strSparqlVariable = array_search(
- $strPlaceholder,
- $this->arTmpPlaceholders
- );
- return $this->dbConn->qstr(
- self::replacePrefix(
- $this->arTmpVariableValues[$strSparqlVariable],
- $this->arPrefixes
- )
- );
- }//protected function replacePlaceholdersWithVariablesCb($matches)
-
-
-
- protected static function replacePrefix($strValue, $arPrefixes)
- {
- //replace prefixes?
- if (count($arParts = explode(':', $strValue, 2)) == 2) {
- if (isset($arPrefixes[$arParts[0]])) {
- $strValue = $arPrefixes[$arParts[0]] . $arParts[1];
- }
- }
- return $strValue;
- }//protected static function replacePrefix($strValue, $arPrefixes)
-
-}//class SparqlEngineDb_Preparator
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/PreparedStatement.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/PreparedStatement.php
deleted file mode 100755
index e54af3c7..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/PreparedStatement.php
+++ /dev/null
@@ -1,38 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_PreparedStatement extends SparqlEngine_PreparedStatement
-{
- protected $sparqlEngine = null;
-
-
- public function __construct(SparqlEngineDb $sparqlEngine)
- {
- $this->sparqlEngine = $sparqlEngine;
- }//public function __construct(SparqlEngineDb $sparqlEngine)
-
-
-
- /**
- * Execute the prepared statement and returns the result.
- *
- * @param array $arVariables Array of sparql query variables => values
- * @param string $resultform Which result form you need
- * @return mixed Anything a sparql query can return
- */
- public function execute($arVariables, $resultform = false)
- {
- return $this->sparqlEngine->execute($arVariables, $resultform);
- }//public function execute($arVariables, $resultform)
-
-}//class SparqlEngineDb_PreparedStatement extends SparqlEngine_PreparedStatement
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/QuerySimplifier.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/QuerySimplifier.php
deleted file mode 100755
index 2988fd98..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/QuerySimplifier.php
+++ /dev/null
@@ -1,169 +0,0 @@
- 'asd'}
-* UNION
-* {?person3 'three'}
-* }
-* is represented internally as three graph patterns, the latter
-* two referencing the first to be their pattern (they are subpatternOf).
-* Now this can be flattened to this which is the same:
-* {?g ?h ?i . ?person 'asd'}
-* UNION
-* {?g ?h ?i .?person3 'three'}
-*
-* This class does this.
-*
-* @author Christian Weiske
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*/
-class SparqlEngineDb_QuerySimplifier
-{
-
- /**
- * Simplify the query by flattening out subqueries.
- * Modifies the passed query object directly.
- */
- public function simplify(Query $query)
- {
- $arPatterns = $query->getResultPart();
- self::dropEmpty($arPatterns);
- $arPlan = $this->createPlan($arPatterns);
- if (count($arPlan) == 0) {
- $query->setResultPart($arPatterns);
- return 0;
- }
-
- $this->executePlan($arPatterns, $arPlan);
- $query->setResultPart($arPatterns);
- }//public function simplify(Query $query)
-
-
-
- /**
- * Creates a plan what to do.
- *
- * @return array Array of arrays. Key is the parent pattern id,
- * value is an array of subpatterns that belong to
- * that parental pattern.
- */
- protected function createPlan(&$arPatterns)
- {
- $arNumbers = $this->getNumbers($arPatterns);
- if (count($arNumbers) == 0) {
- return array();
- }
-
- $arPlan = array();
-
- foreach ($arNumbers as $nId => $nPatternCount) {
- $nParent = $arPatterns[$nId]->getSubpatternOf();
- $arPlan[$nParent][$nId] = true;
- }
-
- return $arPlan;
- }//protected function createPlan(&$arPatterns)
-
-
-
- /**
- * Executes the plan
- *
- * @param array $arPatterns Array of GraphPatterns
- * @param array $arPlan Plan array as returned by createPlan()
- */
- protected function executePlan(&$arPatterns, &$arPlan)
- {
- foreach ($arPlan as $nParent => $arChildren) {
- $base = $arPatterns[$nParent];
- $grandParent = $base->getSubpatternOf();
- $nNextId = $nParent;
- foreach ($arChildren as $nChild => $null) {
- $new = clone $base;
- $new->addTriplePatterns($arPatterns[$nChild]->getTriplePatterns());
- $new->addConstraints( $arPatterns[$nChild]->getConstraints());
- $new->setId($nNextId);
- if ($nParent != $nNextId) {
- $new->setUnion($nParent);
- }
- $arPatterns[$nNextId] = $new;
-
- if ($grandParent !== null) {
- //dynamically adjust plan
- $arPlan[$grandParent][$nNextId] = true;
- }
-
- $nNextId = $nChild;
- }
- //last one is not not needed anymore
- unset($arPatterns[$nNextId]);
- }
- }//protected function executePlan(&$arPatterns, &$arPlan)
-
-
-
- /**
- * Returns an array of id-value pairs determining
- * which pattern IDs (array id) are deepest nested
- * (higher value).
- * Array is sorted in reverse order, highest values
- * first.
- *
- * @param array $arPatterns Array with GraphPatterns
- * @return array Array with key-value pairs
- */
- protected function getNumbers(&$arPatterns)
- {
- $arNumbers = array();
- foreach ($arPatterns as $nId => &$pattern) {
- $nParent = $pattern->getSubpatternOf();
- if ($nParent !== null) {
- $arNumbers[$nId] = $arNumbers[$nParent] + 1;
- } else {
- $arNumbers[$nId] = 0;
- }
- }
- //remove the not so interesting ones
- foreach ($arNumbers as $nId => $nNumber) {
- if ($nNumber == 0) {
- unset($arNumbers[$nId]);
- }
- }
-
- arsort($arNumbers);
-
- return $arNumbers;
- }//protected function getNumbers(&$arPatterns)
-
-
-
- /**
- * Removes all empty graph patterns from the array.
- * Modifies it directly.
- */
- protected static function dropEmpty(&$arPatterns)
- {
- foreach ($arPatterns as $nId => &$pattern) {
- if ($pattern->isEmpty()) {
- unset($arPatterns[$nId]);
- }
- }
-
- foreach ($arPatterns as $nId => &$pattern) {
- $nParent = $pattern->getSubpatternOf();
- if (!isset($arPatterns[$nParent])) {
- $arPatterns[$nId]->setSubpatternOf(null);
- }
- }
- //FIXME: continued indexes?
- }//protected static function dropEmpty(&$arPatterns)
-
-}//class SparqlEngineDb_QuerySimplifier
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultConverter.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultConverter.php
deleted file mode 100755
index 93064098..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultConverter.php
+++ /dev/null
@@ -1,115 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultConverter
-{
- /**
- * Determines the correct renderer and calls it.
- *
- * The $resultform may be:
- * - false: The default renderer is taken then
- * - an object that implements SparqlEngineDb_ResultRenderer interface
- * - a string like "HTML" or "XML". The appropriate renderer is used then.
- * - a full class name, e.g. SparqlEngineDb_ResultRenderer_XML
- *
- * @param array $arRecordSets Array of anything ADOConnection::Execute() can return
- * @param SparqlEngineDb $engine Sparql database engine.
- * @param mixed $resultform Which format the results shall be in (false or "xml")
- *
- * @return mixed Most likely an array or a boolean value,
- * or anything else as determined by $resultform
- */
- public static function convertFromDbResults($arRecordSets, SparqlEngineDb $engine, $resultform = false)
- {
- if (is_object($resultform)) {
- if ($resultform instanceof SparqlEngineDb_ResultRenderer) {
- return $resultform->convertFromDbResults(
- $arRecordSets,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer object needs to implement'
- . ' SparqlEngineDb_ResultRenderer interface'
- );
- }
- }
-
- if ($resultform === false) {
- $resultform = 'Default';
- } else if ($resultform == 'xml') {
- //kept for BC reasons
- $resultform = 'XML';
- }
-
- if ($strClass = self::loadClass($resultform)) {
- $rrObj = new $strClass();
- if ($rrObj instanceof SparqlEngineDb_ResultRenderer) {
- return $rrObj->convertFromDbResults(
- $arRecordSets,
- $engine->getQuery(),
- $engine
- );
- } else {
- throw new Exception(
- 'Result renderer class "' . $strClass . '" needs to implement'
- . ' SparqlEngineDb_ResultRenderer interface'
- );
- }
- } else {
- throw new Exception(
- 'Result renderer class "' . $resultform . '" could not be loaded.'
- );
- }
- }//public static function convertFromDbResults($arRecordSets, SparqlEngineDb $engine, $resultform = false)
-
-
-
- /**
- * Tries to load a given class if it doesn't exist,
- * and returns true if the class can be used.
- *
- * @param string $strClass Classname
- * @return mixed Class name if the class is loaded and can be used, false if not.
- */
- protected static function loadClass($strClass)
- {
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //RAP style, shortcut notation
- $strFile = 'SparqlEngineDb/ResultRenderer/' . $strClass . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists('SparqlEngineDb_ResultRenderer_' . $strClass, false)) {
- return 'SparqlEngineDb_ResultRenderer_' . $strClass;
- }
-
- //RAP style
- $strFile = str_replace('_', '/', $strClass) . '.php';
- @include_once RDFAPI_INCLUDE_DIR . 'sparql/' . $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- //PEAR style
- @include_once $strFile;
- if (class_exists($strClass, false)) {
- return $strClass;
- }
-
- return false;
- }//protected static function loadClass($strClass)
-
-}//class SparqlEngineDb_ResultConverter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer.php
deleted file mode 100755
index 2ff2c085..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer.php
+++ /dev/null
@@ -1,29 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-interface SparqlEngineDb_ResultRenderer
-{
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine);
-
-}//interface SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/all-wcprops
deleted file mode 100755
index dafb0daa..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/all-wcprops
+++ /dev/null
@@ -1,35 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 90
-/svnroot/rdfapi-php/!svn/ver/554/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer
-END
-JSON.php
-K 25
-svn:wc:ra_dav:version-url
-V 99
-/svnroot/rdfapi-php/!svn/ver/553/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer/JSON.php
-END
-XML.php
-K 25
-svn:wc:ra_dav:version-url
-V 98
-/svnroot/rdfapi-php/!svn/ver/554/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer/XML.php
-END
-Default.php
-K 25
-svn:wc:ra_dav:version-url
-V 102
-/svnroot/rdfapi-php/!svn/ver/466/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer/Default.php
-END
-HTML.php
-K 25
-svn:wc:ra_dav:version-url
-V 99
-/svnroot/rdfapi-php/!svn/ver/466/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer/HTML.php
-END
-PlainText.php
-K 25
-svn:wc:ra_dav:version-url
-V 104
-/svnroot/rdfapi-php/!svn/ver/466/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer/PlainText.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/entries
deleted file mode 100755
index 8683e18b..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/entries
+++ /dev/null
@@ -1,91 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/sparql/SparqlEngineDb/ResultRenderer
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2007-12-05T08:18:50.037887Z
-554
-fusel2k
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-JSON.php
-file
-
-
-
-
-2008-02-29T14:57:46.693985Z
-1ba0b132006310544d994987ef33ccad
-2007-11-27T13:06:14.820679Z
-553
-fusel2k
-
-XML.php
-file
-
-
-
-
-2008-02-29T14:57:46.709606Z
-cdaf2efc689c6109786fce0a55b6a635
-2007-12-05T08:18:50.037887Z
-554
-fusel2k
-has-props
-
-Default.php
-file
-
-
-
-
-2008-02-29T14:57:46.709606Z
-90ed777e9c50889887f9a23ee8b37670
-2007-07-04T08:44:01.466753Z
-466
-cweiske
-has-props
-
-HTML.php
-file
-
-
-
-
-2008-02-29T14:57:46.725226Z
-64816661ab11bf0bd18f686be7ce1ce2
-2007-07-04T08:44:01.466753Z
-466
-cweiske
-has-props
-
-PlainText.php
-file
-
-
-
-
-2008-02-29T14:57:46.725226Z
-7834bfe4e0037e013adcd7f7db9a22f1
-2007-07-04T08:44:01.466753Z
-466
-cweiske
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/Default.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/Default.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/Default.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/HTML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/HTML.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/HTML.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/XML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/XML.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/prop-base/XML.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/Default.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/Default.php.svn-base
deleted file mode 100755
index b6916bb3..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/Default.php.svn-base
+++ /dev/null
@@ -1,339 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_Default implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->sg = $engine->getSqlGenerator();
-
- $strResultForm = $this->query->getResultForm();
- switch ($strResultForm) {
- case 'construct':
- case 'select':
- case 'select distinct':
- $arResult = $this->getVariableArrayFromRecordSets($arRecordSets, $strResultForm);
-
- //some result forms need more modification
- switch ($strResultForm) {
- case 'construct';
- $arResult = $this->constructGraph(
- $arResult,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe';
- $arResult = $this->describeGraph($arResult);
- break;
- }
-
- return $arResult;
- break;
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- return $nCount > 0;
- } else {
- return $nCount;
- }
- break;
-
- case 'describe':
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
-
- protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
- {
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- $arResult = array_merge(
- $arResult,
- $this->getVariableArrayFromRecordSet($dbRecordSet, $strResultForm)
- );
- }
- return $arResult;
- }//protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
-
-
-
- /**
- * Converts a ADORecordSet object into an array of "rows" that
- * are subarrays of variable => value pairs.
- *
- * @param ADORecordSet $dbRecordSet Anything ADOConnection::Execute() can return
- * @return array
- */
- protected function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet, $strResultForm)
- {
- $arResult = array();
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- return $arResult;
- }//function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet)
-
-
-
- /**
- * Creates an RDF Statement object for one of the variables
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Statement RDF statement object
- */
- protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
- {
- return new Statement(
- $this->createSubjectFromDbRecordSetPart ($dbRecordSet, $strVarBase),
- $this->createPredicateFromDbRecordSetPart($dbRecordSet, $strVarBase),
- $this->createObjectFromDbRecordSetPart ($dbRecordSet, $strVarBase)
- );
- }//protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple subject resource object
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
-
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- $subject = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- $subject = new BlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- return $subject;
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple predicate resource object
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- $predicate = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- return $predicate;
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple object resource object
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- $object = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- $object = new BlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- $object = new Literal(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']]
- );
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]) {
- $object->setDatatype($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]);
- }
- }
- return $object;
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- protected function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//protected function constructGraph($arVartable, $constructPattern)
-
-}//class SparqlEngineDb_ResultRenderer_Default implements SparqlEngineDb_ResultRenderer
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/HTML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/HTML.php.svn-base
deleted file mode 100755
index 2d29c893..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/HTML.php.svn-base
+++ /dev/null
@@ -1,297 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_HTML implements SparqlEngineDb_ResultRenderer
-{
- /**
- * If the result HTML should be wrapped in a div
- * @var boolean
- */
- protected $bWrap = true;
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into nice HTML.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed HTML code
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createTableFromRecords($arRecordSets);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are currently not supported by the'
- . ' HTML renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strCode = 'There were results.';
- } else {
- $strCode = 'There are ' . $nCount . ' results.';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- if (!$this->bWrap) {
- return $strCode;
- }
-
- return
- '' . "\n"
- . $strCode . "\n"
- . "
\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function createTableFromRecords($arRecordSets)
- {
- $arResultVars = $this->query->getResultVars();
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- list($strCode, $strColor) = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- $arResultRow[$strVarName] = '' . $strCode . ' | ';
- }
- }
- $arResult[] = $arResultRow;
- }
- }
-
- //I always wanted to to this :)
- return
- "\n"
- . " SPARQL result with " . count($arResult) . " rows\n"
- . " | "
- . implode(' | ', array_keys(reset($arResult)))
- . " | \n"
- . " \n "
- . implode(
- "
\n ",
- array_map(
- create_function(
- '$ar',
- 'return implode("", $ar);'
- ),
- $arResult
- )
- )
- . "
\n \n"
- . "
\n";
- }//protected function createTableFromRecords($arRecordSets)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->getHtmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
-
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->getHtmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->getHtmlLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- protected function getHtmlNull()
- {
- return array('NULL
', '#FFF');
- }//protected function getHtmlNull()
-
-
-
- protected function getHtmlBlank($value)
- {
- return array('Blank node', HTML_TABLE_BNODE_COLOR);
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getHtmlResource($value)
- {
- return array(
- htmlspecialchars($value),
- HTML_TABLE_RESOURCE_COLOR
- );
- }//protected function getHtmlResource($value)
-
-
-
- protected function getHtmlLiteral($value, $language, $datatype)
- {
- $strCode = htmlspecialchars($value);
- if ($language) {
- $strCode . ' xml:lang=' . $language;
- }
- if ($datatype) {
- $strCode . ' rdf:type=' . $datatype;
- }
- return array($strCode, HTML_TABLE_LITERAL_COLOR);
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-
-}//class SparqlEngineDb_ResultRenderer_HTML implements SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/JSON.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/JSON.php.svn-base
deleted file mode 100755
index 16d6bea9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/JSON.php.svn-base
+++ /dev/null
@@ -1,174 +0,0 @@
-query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strResultForm = $query->getResultForm();
-
- foreach ($this->getResultVars() as $var)
- $ResultVarsTemp[] = substr($var,1);
-
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $results = $this->createFromRecords($arRecordSets, $strResultForm);
- $strCode = json_encode(array(
- 'head' => array('vars'=>$ResultVarsTemp),
- 'results'=>array('bindings'=>$results))
- );
- //$strCode = str_replace(',{',','.PHP_EOL.'{',$strCode);
- break;
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are not supported by the'
- . ' JSON renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query not supported by JSON Renderer'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strcode = json_encode(array('boolean' => ($nCount > 0)));
- } else {
- $strcode = json_encode(array('int' => $nCount ));
- }
- break;
- default:
- throw new Exception('Error');
- }
-
- return $strCode;
-
-
- }
- /**
- * Method to create from record with specific resultform (not used yet)
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param unknown_type $strResultForm
- * @return array ready for json conversion
- */
- protected function createFromRecords($arRecordSets, $strResultForm) {
-
- $arVarAssignments = $this->sg->arVarAssignments;
- $code = '';
- $arResultVars = $this ->getResultVars();
- $results = array();
- foreach ($arRecordSets[0] as $value) {
- $node = array();
- foreach ($arResultVars as $ResultVar) {
- $nodeType = $value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_is']];
- if ($nodeType == 'r') {
- $node[substr($ResultVar,1)] = array('type'=> 'uri','value'=>$value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']]);
-
- }
-
- if ($value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_is']] == 'l') {
- $literalType = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_type']];
- $literalLang = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_lang']];
- $literalValue = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_value']];
- $node[substr($ResultVar,1)] = $this->getLiteral($literalValue,$literalLang,$literalType);
- }
-
- if ($nodeType === 'b') {
- $literalValue = $value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']];
- $node[substr($ResultVar,1)] = array ('type'=>'bnode' ,'value'=>$value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']]);
- }
- }
- $results[]=$node;
-
-
- }
- return $results;
-
- }
-
- /**
- * COnverting Literals to array ready for json
- *
- * @param unknown_type $value
- * @param unknown_type $lang
- * @param unknown_type $type
- * @return unknown
- */
- private function getLiteral($value, $lang , $type) {
-
- $ret = array();
-
- $type = 'literal';
-
- if ($value != 'literal') {
- $ret['value'] = $value;
- }
-
- if ($lang != '') {
- $ret['lang'] = $lang;
- }
-
- if ($type != '') {
- $ret['type'] = $type;
- }
-
- return $ret;
- }
-
- /**
- * Giving array of used Vars also resolves the all-quantifier *
- *
- * @return array of vars as strings
- */
- protected function getResultVars() {
- $arResultVars = $this->query->getResultVars();
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- } else {
- $arResultVars = array();
- foreach ($this->query->getResultVars() as $Var) {
- $arResultVars[] = (string) $Var;
- }
- }
-
- return $arResultVars;
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/PlainText.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/PlainText.php.svn-base
deleted file mode 100755
index d7d82315..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/PlainText.php.svn-base
+++ /dev/null
@@ -1,363 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_PlainText implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->sg = $engine->getSqlGenerator();
-
- $strResultForm = $this->query->getResultForm();
- switch ($strResultForm) {
- case 'construct':
- case 'select':
- case 'select distinct':
- $arResult = $this->getVariableArrayFromRecordSets($arRecordSets, $strResultForm);
-
- //some result forms need more modification
- switch ($strResultForm) {
- case 'construct';
- $arResult = $this->constructGraph(
- $arResult,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe';
- $arResult = $this->describeGraph($arResult);
- break;
- }
-
- return $arResult;
- break;
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- return $nCount > 0;
- } else {
- return $nCount;
- }
- break;
-
- case 'describe':
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
-
- protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
- {
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- $arResult = array_merge(
- $arResult,
- $this->getVariableArrayFromRecordSet($dbRecordSet, $strResultForm)
- );
- }
- return $arResult;
- }//protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
-
-
-
- /**
- * Converts a ADORecordSet object into an array of "rows" that
- * are subarrays of variable => value pairs.
- *
- * @param ADORecordSet $dbRecordSet Anything ADOConnection::Execute() can return
- * @return array
- */
- protected function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet, $strResultForm)
- {
- $arResult = array();
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- return $arResult;
- }//function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet)
-
-
-
- /**
- * Creates an RDF Statement object for one of the variables
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Statement RDF statement object
- */
- protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
- {
- return new Statement(
- $this->createSubjectFromDbRecordSetPart ($dbRecordSet, $strVarBase),
- $this->createPredicateFromDbRecordSetPart($dbRecordSet, $strVarBase),
- $this->createObjectFromDbRecordSetPart ($dbRecordSet, $strVarBase)
- );
- }//protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple subject resource object
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
-
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->createBlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- return $subject;
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple predicate resource object
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple object resource object
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->createBlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->createLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- protected function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//protected function constructGraph($arVartable, $constructPattern)
-
-
-
- protected function createResource($uri)
- {
- return 'R<' . $uri . '>';
- }//protected function createResource($uri)
-
-
-
- protected function createBlankNode($id)
- {
- return 'B(' . $id . ')';
- }//protected function createBlankNode($id)
-
-
-
- protected function createLiteral($value, $language, $datatype)
- {
- $v = 'L(' . $value;
- if ($language != null) {
- $v .= '@' . $language;
- }
- if ($datatype != null) {
- $v .= '^^' . $datatype;
- }
- return $v . ')';
- }//protected function createLiteral($value, $language, $datatype)
-
-}//class SparqlEngineDb_ResultRenderer_PlainText implements SparqlEngineDb_ResultRenderer
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/XML.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/XML.php.svn-base
deleted file mode 100755
index 6c24bb67..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/.svn/text-base/XML.php.svn-base
+++ /dev/null
@@ -1,336 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_XML implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into nice HTML.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed HTML code
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createFromRecords($arRecordSets, $strResultForm);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are not supported by the'
- . ' XML renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strCode = $this->getHead()
- . ' '
- . self::getSpokenBoolean($nCount > 0)
- . '';
- } else {
- $strCode = $this->getHead()
- . ' '
- . $nCount
- . '';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- return <<
-
-
-EOT
- . $strCode . "\n"
- . "\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function getHead($strXml = '')
- {
- return " \n"
- . $strXml
- . " \n";
- }//protected function getHead($strXml = '')
-
-
-
- protected function createFromRecords($arRecordSets, $strResultForm)
- {
- $arResultVars = $this->query->getResultVars();
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- $strVarXML = '';
- foreach ($arResultVars as $var) {
- $strVarXML .= " \n";
- }
-
- $strHeadXml = $this->getHead($strVarXML);
-
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
-
- return
- $strHeadXml
- . ' ' . "\n"
- . ' ' . PHP_EOL
- . " \n";
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- }
-
-
- $arSM = $this->query->getSolutionModifier();
-
- return
- $strHeadXml
- . ' ' . "\n"
- . $this->getResultXml($arResult)
- . " \n";
- }//protected function createFromRecords($arRecordSets)
-
-
-
- protected function getResultXml($arResult)
- {
- $strCode = '';
- foreach ($arResult as $arSet) {
- $strCode .= " \n";
- foreach ($arSet as $strVarName => $strValue) {
- if ($strValue !== null) {
- $strCode .= ' '
- . $strValue
- . "\n";
- }
- }
- $strCode .= " \n";
- }
- return $strCode;
- }//protected function getResultXml($arResult)
-
-
-
- protected static function getSpokenBoolean($b)
- {
- return $b ? 'true' : 'false';
- }//protected static function getSpokenBoolean($b)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->getXmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
-
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->getXmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->getXmlLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- protected function getXmlNull()
- {
- return null;
- }//protected function getHtmlNull()
-
-
-
- protected function getXmlBlank($value)
- {
- return '' . $value . '';
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getXmlResource($value)
- {
- return '' . htmlspecialchars($value) . '';
- }//protected function getHtmlResource($value)
-
-
-
- protected function getXmlLiteral($value, $language, $datatype)
- {
- $strCode = '';
- return $strCode;
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-}//class SparqlEngineDb_ResultRenderer_XML implements SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/Default.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/Default.php
deleted file mode 100755
index 45276f36..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/Default.php
+++ /dev/null
@@ -1,339 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_Default implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->sg = $engine->getSqlGenerator();
-
- $strResultForm = $this->query->getResultForm();
- switch ($strResultForm) {
- case 'construct':
- case 'select':
- case 'select distinct':
- $arResult = $this->getVariableArrayFromRecordSets($arRecordSets, $strResultForm);
-
- //some result forms need more modification
- switch ($strResultForm) {
- case 'construct';
- $arResult = $this->constructGraph(
- $arResult,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe';
- $arResult = $this->describeGraph($arResult);
- break;
- }
-
- return $arResult;
- break;
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- return $nCount > 0;
- } else {
- return $nCount;
- }
- break;
-
- case 'describe':
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
-
- protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
- {
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- $arResult = array_merge(
- $arResult,
- $this->getVariableArrayFromRecordSet($dbRecordSet, $strResultForm)
- );
- }
- return $arResult;
- }//protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
-
-
-
- /**
- * Converts a ADORecordSet object into an array of "rows" that
- * are subarrays of variable => value pairs.
- *
- * @param ADORecordSet $dbRecordSet Anything ADOConnection::Execute() can return
- * @return array
- */
- protected function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet, $strResultForm)
- {
- $arResult = array();
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- return $arResult;
- }//function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet)
-
-
-
- /**
- * Creates an RDF Statement object for one of the variables
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Statement RDF statement object
- */
- protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
- {
- return new Statement(
- $this->createSubjectFromDbRecordSetPart ($dbRecordSet, $strVarBase),
- $this->createPredicateFromDbRecordSetPart($dbRecordSet, $strVarBase),
- $this->createObjectFromDbRecordSetPart ($dbRecordSet, $strVarBase)
- );
- }//protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple subject resource object
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
-
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- $subject = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- $subject = new BlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- return $subject;
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple predicate resource object
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- $predicate = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- return $predicate;
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple object resource object
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- $object = new Resource ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- $object = new BlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- $object = new Literal(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']]
- );
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]) {
- $object->setDatatype($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]);
- }
- }
- return $object;
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVarName)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- protected function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//protected function constructGraph($arVartable, $constructPattern)
-
-}//class SparqlEngineDb_ResultRenderer_Default implements SparqlEngineDb_ResultRenderer
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/HTML.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/HTML.php
deleted file mode 100755
index 34dce3b0..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/HTML.php
+++ /dev/null
@@ -1,297 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_HTML implements SparqlEngineDb_ResultRenderer
-{
- /**
- * If the result HTML should be wrapped in a div
- * @var boolean
- */
- protected $bWrap = true;
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into nice HTML.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed HTML code
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createTableFromRecords($arRecordSets);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are currently not supported by the'
- . ' HTML renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strCode = 'There were results.';
- } else {
- $strCode = 'There are ' . $nCount . ' results.';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- if (!$this->bWrap) {
- return $strCode;
- }
-
- return
- '' . "\n"
- . $strCode . "\n"
- . "
\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function createTableFromRecords($arRecordSets)
- {
- $arResultVars = $this->query->getResultVars();
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- list($strCode, $strColor) = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- $arResultRow[$strVarName] = '' . $strCode . ' | ';
- }
- }
- $arResult[] = $arResultRow;
- }
- }
-
- //I always wanted to to this :)
- return
- "\n"
- . " SPARQL result with " . count($arResult) . " rows\n"
- . " | "
- . implode(' | ', array_keys(reset($arResult)))
- . " | \n"
- . " \n "
- . implode(
- "
\n ",
- array_map(
- create_function(
- '$ar',
- 'return implode("", $ar);'
- ),
- $arResult
- )
- )
- . "
\n \n"
- . "
\n";
- }//protected function createTableFromRecords($arRecordSets)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->getHtmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
-
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getHtmlNull();
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->getHtmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->getHtmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->getHtmlLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- protected function getHtmlNull()
- {
- return array('NULL
', '#FFF');
- }//protected function getHtmlNull()
-
-
-
- protected function getHtmlBlank($value)
- {
- return array('Blank node', HTML_TABLE_BNODE_COLOR);
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getHtmlResource($value)
- {
- return array(
- htmlspecialchars($value),
- HTML_TABLE_RESOURCE_COLOR
- );
- }//protected function getHtmlResource($value)
-
-
-
- protected function getHtmlLiteral($value, $language, $datatype)
- {
- $strCode = htmlspecialchars($value);
- if ($language) {
- $strCode . ' xml:lang=' . $language;
- }
- if ($datatype) {
- $strCode . ' rdf:type=' . $datatype;
- }
- return array($strCode, HTML_TABLE_LITERAL_COLOR);
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-
-}//class SparqlEngineDb_ResultRenderer_HTML implements SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/JSON.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/JSON.php
deleted file mode 100755
index 16d6bea9..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/JSON.php
+++ /dev/null
@@ -1,174 +0,0 @@
-query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strResultForm = $query->getResultForm();
-
- foreach ($this->getResultVars() as $var)
- $ResultVarsTemp[] = substr($var,1);
-
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $results = $this->createFromRecords($arRecordSets, $strResultForm);
- $strCode = json_encode(array(
- 'head' => array('vars'=>$ResultVarsTemp),
- 'results'=>array('bindings'=>$results))
- );
- //$strCode = str_replace(',{',','.PHP_EOL.'{',$strCode);
- break;
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are not supported by the'
- . ' JSON renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query not supported by JSON Renderer'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strcode = json_encode(array('boolean' => ($nCount > 0)));
- } else {
- $strcode = json_encode(array('int' => $nCount ));
- }
- break;
- default:
- throw new Exception('Error');
- }
-
- return $strCode;
-
-
- }
- /**
- * Method to create from record with specific resultform (not used yet)
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param unknown_type $strResultForm
- * @return array ready for json conversion
- */
- protected function createFromRecords($arRecordSets, $strResultForm) {
-
- $arVarAssignments = $this->sg->arVarAssignments;
- $code = '';
- $arResultVars = $this ->getResultVars();
- $results = array();
- foreach ($arRecordSets[0] as $value) {
- $node = array();
- foreach ($arResultVars as $ResultVar) {
- $nodeType = $value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_is']];
- if ($nodeType == 'r') {
- $node[substr($ResultVar,1)] = array('type'=> 'uri','value'=>$value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']]);
-
- }
-
- if ($value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_is']] == 'l') {
- $literalType = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_type']];
- $literalLang = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_lang']];
- $literalValue = $value[$arVarAssignments[$ResultVar][0] .
- '.' . $arVarAssignments[$ResultVar]['sql_value']];
- $node[substr($ResultVar,1)] = $this->getLiteral($literalValue,$literalLang,$literalType);
- }
-
- if ($nodeType === 'b') {
- $literalValue = $value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']];
- $node[substr($ResultVar,1)] = array ('type'=>'bnode' ,'value'=>$value[$arVarAssignments[$ResultVar][0].'.'.$arVarAssignments[$ResultVar]['sql_value']]);
- }
- }
- $results[]=$node;
-
-
- }
- return $results;
-
- }
-
- /**
- * COnverting Literals to array ready for json
- *
- * @param unknown_type $value
- * @param unknown_type $lang
- * @param unknown_type $type
- * @return unknown
- */
- private function getLiteral($value, $lang , $type) {
-
- $ret = array();
-
- $type = 'literal';
-
- if ($value != 'literal') {
- $ret['value'] = $value;
- }
-
- if ($lang != '') {
- $ret['lang'] = $lang;
- }
-
- if ($type != '') {
- $ret['type'] = $type;
- }
-
- return $ret;
- }
-
- /**
- * Giving array of used Vars also resolves the all-quantifier *
- *
- * @return array of vars as strings
- */
- protected function getResultVars() {
- $arResultVars = $this->query->getResultVars();
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- } else {
- $arResultVars = array();
- foreach ($this->query->getResultVars() as $Var) {
- $arResultVars[] = (string) $Var;
- }
- }
-
- return $arResultVars;
- }
-
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/PlainText.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/PlainText.php
deleted file mode 100755
index d7d82315..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/PlainText.php
+++ /dev/null
@@ -1,363 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_PlainText implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into the desired output format
- * and returns the result.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed The result as rendered by the result renderers.
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->engine = $engine;
- $this->sg = $engine->getSqlGenerator();
-
- $strResultForm = $this->query->getResultForm();
- switch ($strResultForm) {
- case 'construct':
- case 'select':
- case 'select distinct':
- $arResult = $this->getVariableArrayFromRecordSets($arRecordSets, $strResultForm);
-
- //some result forms need more modification
- switch ($strResultForm) {
- case 'construct';
- $arResult = $this->constructGraph(
- $arResult,
- $this->query->getConstructPattern()
- );
- break;
- case 'describe';
- $arResult = $this->describeGraph($arResult);
- break;
- }
-
- return $arResult;
- break;
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- return $nCount > 0;
- } else {
- return $nCount;
- }
- break;
-
- case 'describe':
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
-
- protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
- {
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- $arResult = array_merge(
- $arResult,
- $this->getVariableArrayFromRecordSet($dbRecordSet, $strResultForm)
- );
- }
- return $arResult;
- }//protected function getVariableArrayFromRecordSets($arRecordSets, $strResultForm)
-
-
-
- /**
- * Converts a ADORecordSet object into an array of "rows" that
- * are subarrays of variable => value pairs.
- *
- * @param ADORecordSet $dbRecordSet Anything ADOConnection::Execute() can return
- * @return array
- */
- protected function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet, $strResultForm)
- {
- $arResult = array();
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
- return array();
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- return $arResult;
- }//function getVariableArrayFromRecordSet(ADORecordSet $dbRecordSet)
-
-
-
- /**
- * Creates an RDF Statement object for one of the variables
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Statement RDF statement object
- */
- protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
- {
- return new Statement(
- $this->createSubjectFromDbRecordSetPart ($dbRecordSet, $strVarBase),
- $this->createPredicateFromDbRecordSetPart($dbRecordSet, $strVarBase),
- $this->createObjectFromDbRecordSetPart ($dbRecordSet, $strVarBase)
- );
- }//protected function createStatementFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple subject resource object
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
-
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->createBlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- return $subject;
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple predicate resource object
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return Resource RDF triple object resource object
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- //FIXME: should be NULL, but doesn't pass test
- return '';
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->createResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->createBlankNode($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->createLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Constructs a result graph.
- *
- * @param array $arVartable A table containing the result vars and their bindings
- * @param GraphPattern $constructPattern The CONSTRUCT pattern
- * @return MemModel The result graph which matches the CONSTRUCT pattern
- */
- protected function constructGraph($arVartable, $constructPattern)
- {
- $resultGraph = new MemModel();
-
- if (!$arVartable) {
- return $resultGraph;
- }
-
- $tp = $constructPattern->getTriplePatterns();
-
- $bnode = 0;
- foreach ($arVartable as $value) {
- foreach ($tp as $triple) {
- $sub = $triple->getSubject();
- $pred = $triple->getPredicate();
- $obj = $triple->getObject();
-
- if (is_string($sub) && $sub{1} == '_') {
- $sub = new BlankNode("_bN".$bnode);
- }
- if (is_string($pred) && $pred{1} == '_') {
- $pred = new BlankNode("_bN".$bnode);
- }
- if (is_string($obj) && $obj{1} == '_') {
- $obj = new BlankNode("_bN".$bnode);
- }
-
-
- if (is_string($sub)) {
- $sub = $value[$sub];
- }
- if (is_string($pred)) {
- $pred = $value[$pred];
- }
- if (is_string($obj)) {
- $obj = $value[$obj];
- }
-
- if ($sub !== "" && $pred !== "" && $obj !== "") {
- $resultGraph->add(new Statement($sub,$pred,$obj));
- }
- }
- $bnode++;
- }
- return $resultGraph;
- }//protected function constructGraph($arVartable, $constructPattern)
-
-
-
- protected function createResource($uri)
- {
- return 'R<' . $uri . '>';
- }//protected function createResource($uri)
-
-
-
- protected function createBlankNode($id)
- {
- return 'B(' . $id . ')';
- }//protected function createBlankNode($id)
-
-
-
- protected function createLiteral($value, $language, $datatype)
- {
- $v = 'L(' . $value;
- if ($language != null) {
- $v .= '@' . $language;
- }
- if ($datatype != null) {
- $v .= '^^' . $datatype;
- }
- return $v . ')';
- }//protected function createLiteral($value, $language, $datatype)
-
-}//class SparqlEngineDb_ResultRenderer_PlainText implements SparqlEngineDb_ResultRenderer
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/XML.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/XML.php
deleted file mode 100755
index d98714aa..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/ResultRenderer/XML.php
+++ /dev/null
@@ -1,336 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_ResultRenderer_XML implements SparqlEngineDb_ResultRenderer
-{
-
- /**
- * Defines the methods needed to create the types
- * in $arVarAssignments.
- * Key is the type (e.g. "s" for subject), and
- * value the method's name.
- *
- * @see $arVarAssignments
- *
- * @var array
- */
- protected $arCreationMethods = array(
- 's' => 'createSubjectFromDbRecordSetPart',
- 'p' => 'createPredicateFromDbRecordSetPart',
- 'o' => 'createObjectFromDbRecordSetPart'
- );
-
-
-
- /**
- * Converts the database results into nice HTML.
- *
- * @param array $arRecordSets Array of (possibly several) SQL query results.
- * @param Query $query SPARQL query object
- * @param SparqlEngineDb $engine Sparql Engine to query the database
- * @return mixed HTML code
- */
- public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
- {
- $this->query = $query;
- $this->sg = $engine->getSqlGenerator();
- $strCode = '';
-
- $strResultForm = $query->getResultForm();
- switch ($strResultForm) {
- case 'select':
- case 'select distinct':
- $strCode = $this->createFromRecords($arRecordSets, $strResultForm);
- break;
-
- case 'construct':
- case 'describe':
- throw new Exception(
- 'Construct and describe are not supported by the'
- . ' XML renderer'
- );
-
- case 'count':
- case 'ask':
- if (count($arRecordSets) > 1) {
- throw new Exception(
- 'More than one result set for a '
- . $strResultForm . ' query!'
- );
- }
-
- $nCount = 0;
- $dbRecordSet = reset($arRecordSets);
- foreach ($dbRecordSet as $row) {
- $nCount += intval($row['count']);
- break;
- }
-
- if ($strResultForm == 'ask') {
- $strCode = $this->getHead()
- . ' '
- . self::getSpokenBoolean($nCount > 0)
- . '';
- } else {
- $strCode = $this->getHead()
- . ' '
- . $nCount
- . '';
- }
- break;
-
- default:
- throw new Exception('Unsupported result form: ' . $strResultForm);
- }
-
- return $this->wrapCode($strCode);
- }//public function convertFromDbResults($arRecordSets, Query $query, SparqlEngineDb $engine)
-
-
-
- protected function wrapCode($strCode)
- {
- return <<
-
-
-EOT
- . $strCode . "\n"
- . "\n";
- }//protected function wrapCode($strCode)
-
-
-
- protected function getHead($strXml = '')
- {
- return " \n"
- . $strXml
- . " \n";
- }//protected function getHead($strXml = '')
-
-
-
- protected function createFromRecords($arRecordSets, $strResultForm)
- {
- $arResultVars = $this->query->getResultVars();
-
- if (in_array('*', $arResultVars)) {
- $arResultVars = array_keys($this->sg->arVarAssignments);
- }
-
- $strVarXML = '';
- foreach ($arResultVars as $var) {
- $strVarXML .= " \n";
- }
-
- $strHeadXml = $this->getHead($strVarXML);
-
- $arResult = array();
- foreach ($arRecordSets as $dbRecordSet) {
- //work around bug in adodb:
- // ADORecordSet_empty does not implement php5 iterators
- if ($dbRecordSet->RowCount() <= 0) {
-
- return
- $strHeadXml
- . ' ' . "\n"
- . ' ' . PHP_EOL
- . " \n";
- }
-
- foreach ($dbRecordSet as $row) {
- $arResultRow = array();
- foreach ($arResultVars as $strVar) {
- $strVarName = (string)$strVar;
- if (!isset($this->sg->arVarAssignments[$strVarName])) {
- //variable is in select, but not in result (test: q-select-2)
- $arResultRow[$strVarName] = '';
- } else {
- $arVarSettings = $this->sg->arVarAssignments[$strVarName];
- $strMethod = $this->arCreationMethods[$arVarSettings[1]];
- $arResultRow[$strVarName] = $this->$strMethod($dbRecordSet, $arVarSettings[0], $strVar);
- }
- }
- $arResult[] = $arResultRow;
- }
- }
-
-
- $arSM = $this->query->getSolutionModifier();
-
- return
- $strHeadXml
- . ' ' . "\n"
- . $this->getResultXml($arResult)
- . " \n";
- }//protected function createFromRecords($arRecordSets)
-
-
-
- protected function getResultXml($arResult)
- {
- $strCode = '';
- foreach ($arResult as $arSet) {
- $strCode .= " \n";
- foreach ($arSet as $strVarName => $strValue) {
- if ($strValue !== null) {
- $strCode .= ' '
- . $strValue
- . "\n";
- }
- }
- $strCode .= " \n";
- }
- return $strCode;
- }//protected function getResultXml($arResult)
-
-
-
- protected static function getSpokenBoolean($b)
- {
- return $b ? 'true' : 'false';
- }//protected static function getSpokenBoolean($b)
-
-
-
- /**
- * Creates an RDF subject object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] == 'r'
- //null should be predicate which is always a resource
- || $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']] === null
- ) {
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- } else {
- return $this->getXmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }
- }//protected function createSubjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF predicate object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
-
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- }//protected function createPredicateFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- /**
- * Creates an RDF object object
- * contained in the given $dbRecordSet object.
- *
- * @see convertFromDbResult() to understand $strVarBase necessity
- *
- * @param ADORecordSet $dbRecordSet Record set returned from ADOConnection::Execute()
- * @param string $strVarBase Prefix of the columns the recordset fields have.
- *
- * @return string HTML code
- */
- protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
- {
- $strVarName = (string)$strVar;
- if ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']] === null) {
- return $this->getXmlNull();
- }
- switch ($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_is']]) {
- case 'r':
- return $this->getXmlResource($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- case 'b':
- return $this->getXmlBlank($dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']]);
- break;
- default:
- return $this->getXmlLiteral(
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_value']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_lang']],
- $dbRecordSet->fields[$strVarBase . '.' . $this->sg->arVarAssignments[$strVarName]['sql_type']]
- );
- }
- }//protected function createObjectFromDbRecordSetPart(ADORecordSet $dbRecordSet, $strVarBase, $strVar)
-
-
-
- protected function getXmlNull()
- {
- return null;
- }//protected function getHtmlNull()
-
-
-
- protected function getXmlBlank($value)
- {
- return '' . $value . '';
- }//protected function getHtmlBlank($value)
-
-
-
- protected function getXmlResource($value)
- {
- return '' . htmlspecialchars($value) . '';
- }//protected function getHtmlResource($value)
-
-
-
- protected function getXmlLiteral($value, $language, $datatype)
- {
- $strCode = '';
- return $strCode;
- }//protected function getHtmlLiteral($value, $language, $datatype)
-
-}//class SparqlEngineDb_ResultRenderer_XML implements SparqlEngineDb_ResultRenderer
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGenerator.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGenerator.php
deleted file mode 100755
index d8fc46c1..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGenerator.php
+++ /dev/null
@@ -1,999 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlGenerator
-{
- public $query = null;
-
- /**
- * Determines which variables can be found
- * in which SQL result column.
- * @example
- * array(
- * '?person' => array('t1', 's'),
- ' '?p' => array('t1', 'p'),
- * '?mbox' => array('t2', 'o')
- * )
- * Would express that variable ?person is the subject
- * in result table t1, and ?mbox is the object in
- * table t2.
- *
- * @see $arCreationMethods
- *
- * @internal The array is created in createSql()
- * and used in convertFromDbResult().
- *
- * @var array
- */
- public $arVarAssignments = array();
-
- /**
- * Array of variable name => table.col assignments
- * for all variables used in the query not only
- * the ones that shall be returned.
- *
- * @example
- * array(
- * '?person' => 't0.subject'
- * )
- *
- * @var array
- */
- public $arUsedVarAssignments = array();
-
- /**
- * Array of arrays that contain all variable names
- * which are to be found in the result of
- * an sql statement in a union.
- *
- * @example
- * array(
- * 0 => array(
- * '?person' => 's',
- * '?p' => 'o'
- * ),
- * 1 => array(
- * '?person' => 's',
- * '?mbox' => 'o'
- * )
- * )
- *
- * @var array
- */
- public $arUnionVarAssignments = array();
-
- /**
- * Which variables have been used as which type?
- * key is variable name, value is an array of
- * max. three keys (s, p, o)
- *
- * @example
- * array(
- * '?person' => array(
- * 's' => true
- * ),
- * '?mbox' => array(
- * 'o' => true
- * )
- * )
- *
- * @var array
- */
- protected $arUsedVarTypes = array();
-
- /**
- * Array with placeholders of prepared statements variables.
- * key is the variable name (without "??"), value is the
- * placeholder.
- * @var array
- */
- protected $arPlaceholders = array();
-
- /**
- * Column names for subjects, predicates and
- * objects for easy access via their character
- * names (spo).
- *
- * @var array
- */
- public static $arTableColumnNames = array(
- 's' => array(
- 'value' => 'subject',
- 'is' => 'subject_is'
- ),
- 'p' => array(
- 'value' => 'predicate'
- ),
- 'o' => array(
- 'value' => 'object',
- 'is' => 'object_is'
- )
- );
-
- /**
- * Current UNION part number
- * @var int
- */
- protected $nUnionCount = 0;
-
- protected $nSqlVariableNameCount = 0;
-
- /**
- * Name of the statements table
- */
- protected $tblStatements = 'statements';
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn, $arModelIds)
- {
- $this->query = $query;
- $this->dbConn = $dbConn;
- $this->arModelIds = $arModelIds;
- }//public function __construct(Query $query, ADOConnection $dbConn, $arModelIds)
-
-
-
- /**
- * Creates an SQL query string from the given Sparql query object.
- *
- * @internal uses $query variable
- *
- * @return array Array of arrays of SQL query string parts: select, from and where
- *
- * @throws SparqlEngineDb_SqlGeneratorException If there is no variable in the result set.
- */
- function createSql()
- {
-//var_dump($this->query);
- $arSelect = array();
- $arFrom = array();
- $arWhere = array();
-
- $strResultForm = $this->query->getResultForm();
- $filterGen = new SparqlEngineDb_FilterGenerator($this);
- switch ($strResultForm) {
- case 'construct':
- $arResultVars = $this->query->getConstructPatternVariables();
- break;
- default:
- $arResultVars = $this->query->getResultVars();
- break;
- }
-
- $this->nTableId = 0;
- $this->nGraphPatternCount = 0;
- $this->nUnionCount = 0;
- $this->nUnionTriplePatternCount = 0;
- $this->arUnionVarAssignments[0] = array();
-
- foreach ($this->query->getResultPart() as $graphPattern) {
- if ($graphPattern->isEmpty()) {
- continue;
- }
- if ($graphPattern->getUnion() !== null) {
- ++$this->nUnionCount;
- $this->nTableId = 0;
- $this->nUnionTriplePatternCount = 0;
- $this->nGraphPatternCount = 0;
- $this->arUnionVarAssignments[$this->nUnionCount] = array();
- }
- $this->nTriplePatternCount = 0;
- $arTriplePattern = $graphPattern->getTriplePatterns();
- if ($arTriplePattern != null) {
- foreach ($arTriplePattern as $triplePattern) {
- list (
- $arSelect[$this->nUnionCount][],
- $arFrom [$this->nUnionCount][],
- $arWhere [$this->nUnionCount][]
- ) =
- $this->getTripleSql(
- $triplePattern,
- $graphPattern,
- $arResultVars
- );
- ++$this->nTableId;
- ++$this->nTriplePatternCount;
- ++$this->nUnionTriplePatternCount;
- }
- }
- ++$this->nGraphPatternCount;
-
- }
-
- //constraints extra. needed, since OPTIONAL parts are put after
- // the current pattern while the constraint already refers to variables
- // defined in there
- $this->nGraphPatternCount = 0;
- $this->nUnionCount = 0;
- foreach ($this->query->getResultPart() as $graphPattern) {
- if ($graphPattern->getUnion() !== null) {
- ++$this->nUnionCount;
- }
- $arConstraints = $graphPattern->getConstraints();
- if ($arConstraints != null) {
- foreach ($arConstraints as $constraint) {
- $arWhere[$this->nUnionCount][count($arWhere[$this->nUnionCount]) - 1]
- .= $filterGen->createFilterSql(
- $constraint->getTree(),
- $graphPattern->getOptional() !== null,
- $this->nUnionCount
- );
- }
- }
- ++$this->nGraphPatternCount;
- }
-
- $arSelect = $this->createEqualSelects($arSelect);
- $arStrSelect = array();
-
- switch ($strResultForm) {
- case 'construct':
- case 'describe':
- $strSelectType = 'SELECT';
- case 'select':
- case 'select distinct':
- if (!isset($strSelectType)) {
- $strSelectType = $strResultForm;
- }
- foreach ($arSelect as $nUnionCount => $arSelectPart) {
- $arSelectPart = self::removeNull($arSelectPart);
- if (count($arSelectPart) == 0
- || (count($arSelectPart) == 1 && $arSelectPart[0] == '')) {
- //test "test-1-07" suggests we return no rows in this case
- //throw new SparqlEngineDb_SqlGeneratorException('No variable that could be returned.');
- } else {
- $arStrSelect[$nUnionCount] = strtoupper($strSelectType) . ' ' . implode(', ' , $arSelectPart);
- }
- }
- break;
-
- case 'ask':
- case 'count':
- $arStrSelect = array('SELECT COUNT(*) as count');
- break;
-
- default:
- throw new SparqlEngineDb_SqlGeneratorException('Unsupported query type "' . $strResultForm . '"');
- break;
- }
-
- $arSqls = array();
- foreach ($arStrSelect as $nUnionCount => $arSelectPart) {
- $arSqls[] = array(
- 'select' => $arStrSelect[$nUnionCount],
- 'from' => ' FROM ' . implode(' ' , self::removeNull($arFrom[$nUnionCount])),
- 'where' => ' WHERE ' . self::fixWhere(
- implode(' ' , self::removeNull($arWhere[$nUnionCount]))
- )
- );
- }
- return $arSqls;
- }//function createSql()
-
-
-
- /**
- * Creates some SQL statements from the given triple pattern
- * array.
- *
- * @param QueryTriple $triple Array containing subject, predicate and object
- * @param GraphPattern $graphPattern Graph pattern object
- *
- * @return array Array consisting of on array and two string values:
- * SELECT, FROM and WHERE part
- */
- function getTripleSql(QueryTriple $triple, GraphPattern $graphPattern, $arResultVars)
- {
- $arSelect = array();
- $strFrom = null;
- $strWhere = null;
- $strWhereEquality = '';
- $bWhereEqualitySubject = false;
- $bWhereEqualityPredicate = false;
- $bWhereEqualityObject = false;
-
- $subject = $triple->getSubject();
- $predicate = $triple->getPredicate();
- $object = $triple->getObject();
-
- $arRefVars = array();
- $strTablePrefix = 't' . $this->nTableId;
-
- /**
- * SELECT part
- * We do select only the columns we need for variables
- */
- if (SparqlVariable::isVariable($subject)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$subject])) {
- //already selected -> add equality check
- $bWhereEqualitySubject = true;
- $this->arUsedVarTypes[$subject]['s'] = true;
- } else {
- if (isset($this->arVarAssignments[$subject][0])) {
- $strTablePrefix = $this->arVarAssignments[$subject][0];
- }
- $this->arVarAssignments[$subject] = array($strTablePrefix, 's');
- $this->arUnionVarAssignments[$this->nUnionCount][$subject] = array($strTablePrefix, 's');
- $this->arUsedVarTypes[$subject]['s'] = true;
- if (self::isResultVar($subject, $arResultVars)) {
- //new variable that needs to be selected
- $arSelect[$subject] = $this->createVariableSelectArray(
- 's', $subject, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$subject])) {
- $arRefVars[$subject] = $strTablePrefix . '.subject';
- } else {
- $this->arUsedVarAssignments[$subject] = $strTablePrefix . '.subject';
- }
- }
- }
- }
-
- if (SparqlVariable::isVariable($predicate)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$predicate])) {
- //already selected -> add equality check
- $bWhereEqualityPredicate = true;
- $this->arUsedVarTypes[$predicate]['p'] = true;
- } else {
- if (isset($this->arVarAssignments[$predicate][0])) {
- $strTablePrefix = $this->arVarAssignments[$predicate][0];
- }
- $this->arVarAssignments[$predicate] = array($strTablePrefix, 'p');
- $this->arUnionVarAssignments[$this->nUnionCount][$predicate] = array($strTablePrefix, 'p');
- $this->arUsedVarTypes[$predicate]['p'] = true;
- if (self::isResultVar($predicate, $arResultVars)) {
- $arSelect[$predicate] = $this->createVariableSelectArray(
- 'p', $predicate, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$predicate])) {
- $arRefVars[$predicate] = $strTablePrefix . '.predicate';
- } else {
- $this->arUsedVarAssignments[$predicate] = $strTablePrefix . '.predicate';
- }
- }
- }
- }
-
- if (SparqlVariable::isVariable($object)) {
- if (isset($this->arUnionVarAssignments[$this->nUnionCount][$object])) {
- //already selected -> add equality check
- $bWhereEqualityObject = true;
- $this->arUsedVarTypes[$object]['o'] = true;
- } else {
- if (isset($this->arVarAssignments[$object][0])) {
- $strTablePrefix = $this->arVarAssignments[$object][0];
- }
- $this->arVarAssignments[$object] = array($strTablePrefix, 'o');
- $this->arUnionVarAssignments[$this->nUnionCount][$object] = array($strTablePrefix, 'o');
- $this->arUsedVarTypes[$object]['o'] = true;
- if (self::isResultVar($object, $arResultVars)) {
- $arSelect[$object] = $this->createVariableSelectArray(
- 'o', $object, $strTablePrefix
- );
- if (isset($this->arUsedVarAssignments[$object])) {
- $arRefVars[$object] = $strTablePrefix . '.object';
- } else {
- $this->arUsedVarAssignments[$object] = $strTablePrefix . '.object';
- }
- }
- if (isset($this->query->varLanguages[$object])
- && $this->query->varLanguages[$object] !== null
- ) {
- $strWhereEquality .=
- ' AND ' . $strTablePrefix . '.l_language = "'
- . addslashes($this->query->varLanguages[$object]) . '"';
- }
- if (isset($this->query->varDatatypes[$object])
- && $this->query->varDatatypes[$object] !== null
- ) {
- $strWhereEquality .=
- ' AND ' . $strTablePrefix . '.l_datatype = "'
- . addslashes($this->query->varDatatypes[$object]) . '"';
- }
- }
- }
-
- /**
- * WhereEquality - needs to be done now because strTablePrefix may change
- */
- if ($bWhereEqualitySubject) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 's'),
- $this->arVarAssignments[$subject]
- );
- }
- if ($bWhereEqualityPredicate) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 'p'),
- $this->arVarAssignments[$predicate]
- );
- }
- if ($bWhereEqualityObject) {
- $strWhereEquality .= ' AND ' . self::getSqlEqualityCondition(
- array($strTablePrefix, 'o'),
- $this->arVarAssignments[$object]
- );
- }
-
-
- /**
- * FROM part
- */
- if ($this->nUnionTriplePatternCount == 0) {
- //first FROM
- $strFrom = $this->tblStatements . ' as ' . $strTablePrefix;
- } else {
- //normal join
- if (count($this->arModelIds) == 1) {
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON t0.modelID = ' . $strTablePrefix . '.modelID';
- } else if (count($this->arModelIds) > 1) {
- $arIDs = array();
- foreach ($this->arModelIds as $nId) {
- $arIDs[] = $strTablePrefix . '.modelID = ' . intval($nId);
- }
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON (' . implode(' OR ', $arIDs) . ')';
- } else {
- $strFrom = 'LEFT JOIN ' . $this->tblStatements . ' as ' . $strTablePrefix
- . ' ON t0.modelID = ' . $strTablePrefix . '.modelID';
- }
-
- foreach ($arRefVars as $strRefVar => $strSqlVar) {
- $strFrom .= ' AND ' . $this->arUsedVarAssignments[$strRefVar] . ' = ' . $strSqlVar;
- }
-
- if ($graphPattern->getOptional() !== null) {
- $strFrom .= $this->getSqlCondition($subject , $strTablePrefix, 'subject')
- . $this->getSqlCondition($predicate, $strTablePrefix, 'predicate')
- . $this->getSqlCondition($object , $strTablePrefix, 'object')
- . $strWhereEquality;
- }
- }
-
-
- /**
- * WHERE part
- */
- if ($this->nUnionTriplePatternCount == 0) {
- if (count($this->arModelIds) == 1) {
- $strWhere = $strTablePrefix . '.modelID = ' . intval(reset($this->arModelIds));
- } else if (count($this->arModelIds) > 1) {
- $arIDs = array();
- foreach ($this->arModelIds as $nId) {
- $arIDs[] = $strTablePrefix . '.modelID = ' . intval($nId);
- }
- $strWhere = '(' . implode(' OR ', $arIDs) . ')';
- } else {
- //so that we can append an AND
- $strWhere = '1';
- }
- }
- if ($graphPattern->getOptional() === null || $this->nGraphPatternCount == 0) {
- $strWhere .= $this->getSqlCondition($subject , $strTablePrefix, 'subject')
- . $this->getSqlCondition($predicate, $strTablePrefix, 'predicate')
- . $this->getSqlCondition($object , $strTablePrefix, 'object')
- . $strWhereEquality;
- }
-
- return array($arSelect, $strFrom, $strWhere);
- }//function getTripleSql(QueryTriple $triple)
-
-
-
-
- protected function createVariableSelectArray($chType, $varname, $strTablePrefix)
- {
- $var = $this->query->getResultVar($varname);
- if ($var !== false) {
- if ((string)$var != $varname) {
- //copy over var assignments
- $this->arVarAssignments[(string)$var] = $this->arVarAssignments[$varname];
- }
-
- //works on non-* only
- $func = $var->getFunc();
- if ($func != null) {
- if ($func == 'datatype') {
- if ($chType != 'o') {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'datatype() works on objects only'
- );
- }
- return array(
- $strTablePrefix . '.l_datatype as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($var) . '"',
- '"r"' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($var) . '"',
- );
- } else if ($func == 'lang') {
- if ($chType != 'o') {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'lang() works on objects only'
- );
- }
- return array(
- $strTablePrefix . '.l_language as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($var) . '"',
- '"l"' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($var) . '"',
- '""' . ' as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($var) . '"',
- );
- } else {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported function for select "' . $func . '"'
- );
- }
- }
- }
-
- switch ($chType) {
- case 's':
- return array(
- $strTablePrefix . '.subject as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"',
- $strTablePrefix . '.subject_is as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($varname) . '"'
- );
- case 'p':
- return array(
- $strTablePrefix . '.predicate as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"'
- );
- case 'o':
- return array(
- $strTablePrefix . '.object as "' . $strTablePrefix . '.' . $this->getSqlVariableNameValue($varname) . '"',
- $strTablePrefix . '.object_is as "' . $strTablePrefix . '.' . $this->getSqlVariableNameIs($varname) . '"',
- $strTablePrefix . '.l_language as "' . $strTablePrefix . '.' . $this->getSqlVariableNameLanguage($varname) . '"',
- $strTablePrefix . '.l_datatype as "' . $strTablePrefix . '.' . $this->getSqlVariableNameDatatype($varname) . '"',
- );
- default:
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unknown sentence type "' . $chType . "', one of (s,p,o) expected"
- );
- }
- }//protected function createVariableSelectArray($chType, $value, $strTablePrefix)
-
-
-
- /**
- * Creates SELECT statements that have the same number of columns.
- * Needed for UNIONs.
- *
- * @param array $arSelect Array of arrays.
- * array(
- * //for each union part one
- * 0 => array(
- * //foreach triple pattern
- * 0 => array(
- * '?person' => array(
- * 't0.subject as "t0.subject"'
- * )
- * )
- * )
- * )
- * @return array Array of SELECT strings
- */
- protected function createEqualSelects($arSelect)
- {
- $arNewSelect = array();
- if (count($arSelect) == 1) {
- if ($arSelect[0] == array(array())) {
- //ASK and COUNT
- return array(array(''));
- }
-
- foreach ($arSelect[0] as $arTripleVars) {
- $ar = array();
- foreach ($arTripleVars as $arVarParts) {
- $ar[] = implode(', ', $arVarParts);
- }
- if (count($ar) > 0) {
- $arNewSelect[0][] = implode(', ', $ar);
- }
- }
- return $arNewSelect;
- }
-
- $arVars = array();
- foreach ($arSelect as $arUnionVars) {
- foreach ($arUnionVars as $arTripleVars) {
- $arVars = array_merge($arVars, array_keys($arTripleVars));
- }
- }
- $arVars = array_unique($arVars);
-
- foreach ($arSelect as $nUnionCount => $arUnionVars) {
- $arSelectVars = array();
- foreach ($arUnionVars as $arTripleVars) {
- foreach ($arTripleVars as $strVar => $arVarParts) {
- $arSelectVars[$strVar] = $arVarParts;
- }
- }
-
- $ars = array();
- foreach ($arVars as $strVar) {
- if (isset($arSelectVars[$strVar])) {
- $ar = $arSelectVars[$strVar];
- $nCount = count($arSelectVars[$strVar]);
- } else {
- $ar = array();
- $nCount = 0;
- }
-
- if ($nCount == 0) {
- //nothing of this variable in this union part
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $this->arVarAssignments[$strVar]['sql_value'] . '"';
- }
- if ((
- isset($this->arUsedVarTypes[$strVar]['o'])
- || isset($this->arUsedVarTypes[$strVar]['s'])
- ) && $nCount < 2
- ) {
- //it's a subject or object, but we don't want the type
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $this->arVarAssignments[$strVar]['sql_is'] . '"';
- }
- if (isset($this->arUsedVarTypes[$strVar]['o']) && $nCount < 4) {
- //it's a subject or object, but we don't want the type
- if (isset($this->arVarAssignments[$strVar]['sql_lang'])) {
- $strColLanguage = $this->arVarAssignments[$strVar]['sql_lang'];
- } else {
- $strColLanguage = 'dummyLang';
- }
- if (isset($this->arVarAssignments[$strVar]['sql_type'])) {
- $strColDatatype = $this->arVarAssignments[$strVar]['sql_type'];
- } else {
- $strColDatatype = 'dummyType';
- }
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $strColLanguage . '"';
- $ar[] = 'NULL as '
- . '"' . $this->arVarAssignments[$strVar][0] . '.' . $strColDatatype . '"';
- }
- $ars[] = implode(', ', $ar);
- }
- $arNewSelect[$nUnionCount] = $ars;
- }
-
- return $arNewSelect;
- }//protected function createEqualSelects($arSelect)
-
-
-
- /**
- * Creates an SQL statement that checks for the value
- * of some subject/predicate/object
- *
- * @param mixed $bject subject|predicate|object
- * @param string $strTablePrefix Table prefix (e.g. "t0")
- * @param string $strType Type of $bject ('subject'|'predicate'|'object')
- * @return string Part of the SQL query (prefixed with AND)
- */
- function getSqlCondition($bject, $strTablePrefix, $strType)
- {
- if (is_string($bject)) {
- if (SparqlVariable::isVariable($bject)) {
- //variable?
- if (self::isPreparedVariable($bject)) {
- //no, not really
- $value = $this->getPreparedVariablePlaceholder($bject);
- } else {
- //yes
- return null;
- }
- } else {
- $value = $this->dbConn->qstr($bject);
- }
- //literal
- return ' AND ' . $strTablePrefix . '.' . $strType . ' = ' . $value;
- }
-
- if ($bject instanceof BlankNode) {
- //Blank node
- throw new SparqlEngineDb_SqlGeneratorException(
- 'FIXME: Querying for blank nodes not supported'
- );
-
- } else if ($bject instanceof Resource) {
- //Resource
- $r = ' AND ' . $strTablePrefix . '.' . $strType . ' = '
- . $this->dbConn->qstr($bject->getURI());
- if ($strType !== 'predicate') {
- $r .= ' AND ' . $strTablePrefix . '.' . $strType . '_is ='
- . ' "r"';
- }
- return $r;
-
- } else if ($bject instanceof Literal) {
- //Literal
- //I'm doubling Filter code here, but what the hell
- $strColDatatype = $strTablePrefix . '.l_datatype';
- if ($bject->dtype == 'http://www.w3.org/2001/XMLSchema#integer'
- || $bject->dtype == 'http://www.w3.org/2001/XMLSchema#double'
- ) {
- $strVariable = 'CAST(' . $strTablePrefix . '.' . $strType . ' AS DECIMAL(15,10))';
- $strValue = $bject->getLabel();
- } else {
- $strVariable = $strTablePrefix . '.' . $strType;
- $strValue = $this->dbConn->qstr($bject->getLabel());
- }
- $r = ' AND ' . $strVariable . ' = ' . $strValue;
- if ($strType !== 'predicate') {
- $r .= ' AND ' . $strTablePrefix . '.' . $strType . '_is ='
- . ' "l"';
- }
-
- if ($strType == 'object') {
- if ($bject->dtype == '' || $bject->dtype == 'http://www.w3.org/2001/XMLSchema#string') {
- //string
- $r .= ' AND ('
- . $strColDatatype . ' = ""'
- . ' OR ' . $strColDatatype . ' = "http://www.w3.org/2001/XMLSchema#string"'
- . ')';
- } else {
- $r .= ' AND ' . $strColDatatype . ' = "'
- . $bject->dtype
- . '"';
- }
- }
-
- if ($bject->lang != '') {
- $strColLanguage = $strTablePrefix . '.l_language';
- $r .= ' AND ' . $strColLanguage . ' = '
- . $this->dbConn->qstr($bject->lang);
- }
- return $r;
-
- } else {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Unsupported sentence part: ' . get_class($bject)
- );
- }
- }//function getSqlCondition($bject, $strTablePrefix, $strType)
-
-
-
- /**
- * Checks if the sentence part (subject, predicate or object) in
- * $arNew has the same content as $arOld.
- * Required for queries like ":x ?a ?a" where predicate and object
- * need to have the same value
- *
- * @param array $arNew array($strTablePrefix, $strType = s|p|o)
- * @param array $arOld array($strTablePrefix, $strType = s|p|o)
- * @return string
- */
- protected static function getSqlEqualityCondition($arNew, $arOld)
- {
- $chTypeNew = $arNew[1]; $chTypeOld = $arOld[1];
- $strTablePrefixNew = $arNew[0]; $strTablePrefixOld = $arOld[0];
-
- if ($chTypeNew == 'p' || $chTypeOld == 'p') {
- //just check value
- //FIXME: it might be I need to check for resource type in object and subject
- return
- $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['value']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['value']
- ;
- } else if ($chTypeNew == 's' || $chTypeOld == 's') {
- //check value and type
- return
- $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['value']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['value']
- . ' AND '
- . $strTablePrefixNew . '.' . self::$arTableColumnNames[$chTypeNew]['is']
- . ' = '
- . $strTablePrefixOld . '.' . self::$arTableColumnNames[$chTypeOld]['is']
- ;
- } else {
- //two objects -> check everything
- return
- $strTablePrefixNew . '.object = ' . $strTablePrefixOld . '.object'
- . ' AND '
- . $strTablePrefixNew . '.object_is = ' . $strTablePrefixOld . '.object_is'
- . ' AND '
- . $strTablePrefixNew . '.l_language = ' . $strTablePrefixOld . '.l_language'
- . ' AND '
- . $strTablePrefixNew . '.l_datatype = ' . $strTablePrefixOld . '.l_datatype'
- ;
- }
- }//protected static function getSqlEqualityCondition($arNew, $arOld)
-
-
-
- /**
- * Checks if the given variable name is part of the result
- * variables list.
- * Needed since $arResultVars may contain "*" that captures all variables.
- *
- * @param string $strVar Variable name (e.g. "?p")
- * @param array $arResultVars Array with result variables
- * @return boolean true if it is a result variable
- */
- protected static function isResultVar($strVar, &$arResultVars)
- {
- foreach ($arResultVars as $var) {
- if ($var == '*') {
- return true;
- } else if ((is_string($var) && $var == $strVar)
- || (is_object($var) && $var->getVariable() == $strVar)) {
- return true;
- }
- }
- return false;
- }//protected static function isResultVar($strVar, &$arResultVars)
-
-
-
- /**
- * Checks if the given variable is a replacement
- * for a prepared statement.
- *
- * @return boolean
- */
- public static function isPreparedVariable($bject)
- {
- return is_string($bject) && strlen($bject) >= 3
- && ($bject[0] == '?' || $bject[0] == '$')
- && ($bject[1] == '?' || $bject[1] == '$')
- ;
- }//public static function isPreparedVariable($bject)
-
-
-
- /**
- * Returns a placeholder to be included in the sql statement.
- * It will be replaced with a real prepared statement variable later on.
- * Also adds it to the internal placeholder array.
- *
- * @param string $strVariable The variable to get a placeholder for
- * @return string placeholder
- */
- protected function getPreparedVariablePlaceholder($strVariable)
- {
- $strName = substr($strVariable, 2);
- if (!isset($this->arPlaceholders[$strName])) {
- $this->arPlaceholders[$strName] = '@$%_PLACEHOLDER_'
- . count($this->arPlaceholders) . '_%$@';
- }
- return $this->arPlaceholders[$strName];
- }//protected function getPreparedVariablePlaceholder($strVariable)
-
-
-
- public function getPlaceholders()
- {
- return $this->arPlaceholders;
- }//public function getPlaceholders()
-
-
-
- public function getVarAssignments()
- {
- return $this->arVarAssignments;
- }//public function getVarAssignments()
-
-
-
- public function getUsedVarAssignments()
- {
- return $this->arUsedVarAssignments;
- }//public function getUsedVarAssignments()
-
-
-
- public function getUsedVarTypes()
- {
- return $this->arUsedVarTypes;
- }//public function getUsedVarTypes()
-
-
-
- /**
- * Removes all NULL values from an array and returns it.
- *
- * @param array $array Some array
- * @return array $array without the NULL values.
- */
- protected static function removeNull($array)
- {
- foreach ($array as $key => &$value) {
- if ($value === null) {
- unset($array[$key]);
- }
- }
- return $array;
- }//protected static function removeNull($array)
-
-
-
- /**
- * Removes a leading AND from the where clause which would render
- * the sql illegal.
- */
- protected function fixWhere($strWhere)
- {
- $strWhere = ltrim($strWhere);
- if (substr($strWhere, 0, 4) == 'AND ') {
- $strWhere = substr($strWhere, 4);
- }
- return $strWhere;
- }//protected function fixWhere($strWhere)
-
-
-
- protected function getSqlVariableName($var)
- {
- $strSparqlVar = (string)$var;
- if (!isset($this->arVarAssignments[$strSparqlVar]['sqlname'])) {
- if (preg_match('/[a-zA-Z0-9]+/', substr($strSparqlVar, 1))) {
- $strName = 'v_' . substr($strSparqlVar, 1);
- } else {
- $strName = 'va_' . $this->nSqlVariableNameCount++;
- }
- $this->arVarAssignments[$strSparqlVar]['sqlname'] = $strName;
- }
- return $this->arVarAssignments[$strSparqlVar]['sqlname'];
- }//protected function getSqlVariableName($var)
-
-
-
- protected function getSqlVariableNameValue($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_value'] =
- 'value_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_value'];
- }//protected function getSqlVariableNameValue($var)
-
-
-
- protected function getSqlVariableNameIs($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_is'] =
- 'is_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_is'];
- }//protected function getSqlVariableNameIs($var)
-
-
-
- protected function getSqlVariableNameLanguage($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_lang'] =
- 'lang_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_lang'];
- }//protected function getSqlVariableNameLanguage($var)
-
-
-
- protected function getSqlVariableNameDatatype($var)
- {
- $strSparqlVar = (string)$var;
- $this->arVarAssignments[$strSparqlVar]['sql_type'] =
- 'type_' . $this->getSqlVariableName($var);
- return $this->arVarAssignments[$strSparqlVar]['sql_type'];
- }//protected function getSqlVariableNameDatatype($var)
-
-
-
- public function setStatementsTable($tblStatements)
- {
- $this->tblStatements = $tblStatements;
- }//public function setStatementsTable($tblStatements)
-
-}//class SparqlEngineDb_SqlGenerator
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGeneratorException.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGeneratorException.php
deleted file mode 100755
index 1d98a3b7..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlGeneratorException.php
+++ /dev/null
@@ -1,14 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlGeneratorException extends Exception
-{
-}
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlMerger.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlMerger.php
deleted file mode 100755
index d53137f3..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/SqlMerger.php
+++ /dev/null
@@ -1,46 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_SqlMerger
-{
- public static function getSelect(Query $query, $arSqls, $strAdditional = '')
- {
- if (count($arSqls) == 1) {
- return implode('', $arSqls[0]) . $strAdditional;
- }
-
- //union
- $strUnion = 'UNION' .
- ($query->getResultForm() == 'select distinct' ? '' : ' ALL');
- $ar = array();
- foreach ($arSqls as $arSql) {
- $ar[] = implode('', $arSql) . $strAdditional;
- }
- return '(' . implode(') ' . $strUnion . ' (', $ar) . ')';
- }//public static function getSelect(Query $query, $arSqls, $strAdditional = '')
-
-
-
- public static function getCount(Query $query, $arSqls, $strAdditional = '')
- {
- if (count($arSqls) == 1) {
- return 'SELECT COUNT(*) as count ' . $arSqls[0]['from'] . $arSqls[0]['where'] . $strAdditional;
- }
-
- $ar = array();
- foreach ($arSqls as $arSql) {
- $ar[] = implode('', $arSql) . $strAdditional;
- }
- return 'SELECT (' . implode(') + (', $ar) . ') as count';
- }//public static function getCount(Query $query, $arSqls, $strAdditional = '')
-
-}//class SparqlEngineDb_SqlMerger
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/TypeSorter.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/TypeSorter.php
deleted file mode 100755
index 5b92d540..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlEngineDb/TypeSorter.php
+++ /dev/null
@@ -1,450 +0,0 @@
-
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlEngineDb_TypeSorter
-{
- /**
- * Defines the sort order for value types in the database,
- * so that they get sorted correctly as the specs want it.
- * @var array
- */
- public static $arTypeNumbers = array(
- null => 0,//empty
- 'b' => 1,//blank
- 'r' => 2,//resource
- 'l' => 3,//literal
- );
-
- /**
- * SQL types to cast XSD schema types to, so that they will get
- * sorted correctly.
- * @var array
- */
- public static $arCastTypes = array(
- 'http://www.w3.org/2001/XMLSchema#integer' => 'SIGNED INTEGER',
- 'http://www.w3.org/2001/XMLSchema#decimal' => 'DECIMAL',
- //yes, this does not work with multiple time zones.
- 'http://www.w3.org/2001/XMLSchema#dateTime' => 'CHAR',
- 'http://www.w3.org/2001/XMLSchema#date' => 'CHAR',
- );
-
-
-
- public function __construct(Query $query, ADOConnection $dbConn)
- {
- $this->dbConn = $dbConn;
- $this->query = $query;
- }
-
-
- /**
- * Needs to be executed before getOrderifiedSqls and willBeDataDependent
- *
- * @param SparqlEngineDb_SqlGenerator $sg SQL generator object
- */
- public function setData(SparqlEngineDb_SqlGenerator $sg)
- {
- $this->arUsedVarTypes = $sg->getUsedVarTypes();
- $this->arUsedVarAssignments = $sg->getUsedVarAssignments();
- $this->arVarAssignments = $sg->getVarAssignments();
- }//public function setData(SparqlEngineDb_SqlGenerator $sg)
-
-
-
- /**
- * Returns an array of sql statements that need to be executed
- * and deliver the full result set when combined.
- *
- * Execute setData() before this.
- *
- * @internal It is not possible (ok, it is - but it would really complicate
- * the queries and the code here) to use UNION to combine the sqls to
- * a single one - UNION merges the results and does not keep the order
- * of the rows. Citing the mysql manual:
- * Use of ORDER BY for individual SELECT statements implies nothing
- * about the order in which the rows appear in the final result because
- * UNION by default produces an unordered set of rows. If ORDER BY
- * appears with LIMIT, it is used to determine the subset of the
- * selected rows to retrieve for the SELECT, but does not necessarily
- * affect the order of those rows in the final UNION result.
- * If ORDER BY appears without LIMIT in a SELECT, it is
- * optimized away because it will have no effect anyway.
- *
- * @param string $strSelect SELECT clause
- * @param string $strFrom FROM clause
- * @param string $strWhere WHERE clause
- * @return array Array of arrays. Imploding an array will give
- * a complete sql statement. The array will have the keys
- * select/from/where/order.
- */
- public function getOrderifiedSqls($arSqls)
- {
- if (count($arSqls) == 0) {
- return $arSqls;
- }
-
- $strSelect = $arSqls[0]['select'];
- $strFrom = $arSqls[0]['from'];
- $strWhere = $arSqls[0]['where'];
-
- $strResultForm = $this->query->getResultForm();
- if ($strResultForm == 'ask' || $strResultForm == 'count') {
- return array(
- $arSqls
- );
- }
-
- $arSpecial = $this->getSpecialOrderVariables();
- if (count($arSpecial) == 0) {
- $strOrder = $this->getSqlOrderBy();
- foreach ($arSqls as &$arSql) {
- $arSql['order'] = $strOrder;
- }
- return array(
- $arSqls
- );
- }
-
- $arTypeSets = $this->orderTypeSets(
- $this->getTypeSets($arSpecial, $strFrom, $strWhere)
- );
-
- $arNewSqls = array();
- foreach ($arTypeSets as $arTypeSet) {
- $arSqlParts = array();
- foreach ($arSqls as $arSql) {
- $arSql['where'] .= $this->getTypesetWhereClause($arTypeSet);
- $arSql['order'] = $this->getSqlOrderBy($arTypeSet);
- $arSqlParts[] = $arSql;
- }
- $arNewSqls[] = $arSqlParts;
- }
-
- return $arNewSqls;
- }//public function getOrderifiedSqls($arUsedVarAssignments, $strSelect, $strFrom, $strWhere)
-
-
-
- /**
- * Returns wether the returned queries will depend on the data or not.
- * If the queries depend on the data, they cannot be prepare()d and
- * thus won't be that fast when executing.
- *
- * Execute setData() before this.
- *
- * @return boolean
- */
- public function willBeDataDependent()
- {
- $strResultForm = $this->query->getResultForm();
- return !(
- $strResultForm == 'ask' || $strResultForm == 'count'
- || count($this->getSpecialOrderVariables()) == 0
- );
- }//public function willBeDataDependent()
-
-
-
- /**
- * Returns an array of variables that the result is going to be
- * ordered by and that need to be sorted multiple times
- * (because they may contain different data types)
- *
- * @return array Array of sparql variable names
- */
- protected function getSpecialOrderVariables()
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] === null) {
- return array();
- }
-
- $arSpecial = array();
- foreach ($arSM['order by'] as $arVar) {
- if ($this->isSpecialOrderVariable($arVar['val'])) {
- $arSpecial[] = $arVar['val'];
- }
- }
- return $arSpecial;
- }//protected function getSpecialOrderVariables()
-
-
-
- /**
- * Checks if a given variable name is a variable that
- * needs special care when used in ORDER BY statements.
- *
- * @param string $strVar SPARQL variable name
- * @return boolean true if the variable needs special care
- */
- protected function isSpecialOrderVariable($strVar)
- {
- return !isset($this->arUsedVarTypes[$strVar]['s'])
- && !isset($this->arUsedVarTypes[$strVar]['p']);
- }//protected function isSpecialOrderVariable($arVar)
-
-
-
- /**
- * Determines the type sets in the query results.
- * A type set is a distinct set of variables and their types,
- * e.g. the variable and its type (r/b/l) and its datatype
- * if its an object.
- *
- * @param array $arSpecialVars Special variables as returned by
- * getSpecialOrderVariables()
- * @param string $strFrom FROM part of the sql query
- * @param string $strWhere WHERE part of the sql query
- *
- * @return array Key is the sparql variable name, value is an
- * array. This one has one key 'type' with a
- * value of b/l/r. It might have another key
- * 'datatype' with the resource's datatype.
- */
- protected function getTypeSets($arSpecialVars, $strFrom, $strWhere)
- {
- $arSel = array();
- foreach ($arSpecialVars as $strSparqlVar) {
- if ($this->arVarAssignments[$strSparqlVar][1] == 'o') {
- $arSel[] = $this->arVarAssignments[$strSparqlVar][0] . '.l_datatype'
- . ' as "' . $strSparqlVar . '-datatype"';
- }
- $strTypeCol = $this->arVarAssignments[$strSparqlVar][1] == 'o'
- ? 'object_is' : 'subject_is';
- $this->arVarAssignments[$strSparqlVar][2] = $strTypeCol;
- $arSel[] = $this->arVarAssignments[$strSparqlVar][0] . '.' . $strTypeCol
- . ' as "' . $strSparqlVar . '-type"';
- }
-
- $oldmode = $this->dbConn->SetFetchMode(ADODB_FETCH_ASSOC);
- $sql = 'SELECT DISTINCT ' . implode(', ', $arSel) . ' ' . $strFrom . $strWhere;
- $arResult = $this->dbConn->execute($sql);
- $this->dbConn->SetFetchMode($oldmode);
-
- if ($arResult === false) {
- throw new SparqlEngineDb_SqlGeneratorException(
- 'Error reading typesets: ' . $sql
- );
- }
-
- $arTypes = array();
- foreach ($arResult as $arRow) {
- $nLine = count($arTypes);
- foreach ($arRow as $key => $value) {
- list($strSparqlVar, $strType) = explode('-', $key);
- $arTypes[$nLine][$strSparqlVar][$strType] = $value;
- }
- }
-
- return $arTypes;
- }//protected function getTypeSets($arSpecialVars, $strFrom, $strWhere)
-
-
-
- /**
- * Takes an array of type sets (as returned by getTypeSets()) and
- * sorts the variables according to the SPARQL specs.
- *
- * @param array $arTypes Array of type sets
- * @return array Ordered array of type sets
- */
- protected function orderTypeSets($arTypes)
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] !== null) {
- $this->arDirection = array();
- foreach ($arSM['order by'] as $arVar) {
- $this->arDirection[$arVar['val']] =
- (strtoupper($arVar['type']) == 'ASC' ? 1 : -1);
- }
- }
-
- usort($arTypes, array($this, 'compareTypeSet'));
-
- return $arTypes;
- }//protected function orderTypeSets($arTypes)
-
-
-
- /**
- * Compares two type sets. Works like a normal comparision
- * method that returns -1/0/1 for use in usort()
- *
- * @param array $arTs1 First typeset
- * @param array $arTs2 Second typeset
- * @return int Comparison value
- */
- public function compareTypeSet($arTs1, $arTs2)
- {
- foreach ($arTs1 as $strSparqlVar => $arType1) {
- //compare types
- $n = self::$arTypeNumbers[$arType1['type']]
- - self::$arTypeNumbers[$arTs2[$strSparqlVar]['type']];
- if ($n != 0) {
- //and take ASC/DESC into account
- return $n * $this->arDirection[$strSparqlVar];
- }
-
- //compare the datatypes
- $n = self::compareXsdType(
- $arType1['datatype'],
- $arTs2[$strSparqlVar]['datatype']
- );
- //if they are not equal, return the value
- if ($n != 0) {
- //and take ASC/DESC into account
- return $n * $this->arDirection[$strSparqlVar];
- }
- }
-
- //they are equal
- return 0;
- }//public function compareTypeSet($arTs1, $arTs2)
-
-
-
- /**
- * Compares two XSD data types and returns the comparison number.
- *
- * @param string $strType1 First data type
- * @param string $strType2 Second data type
- * @return int Comparison number (<0 if $strType1 is less than
- * $strType2, 0 if equal, >0 if type2 is greater)
- */
- public static function compareXsdType($strType1, $strType2)
- {
- return self::getXsdTypeNumber($strType1) - self::getXsdTypeNumber($strType2);
- }//public static function compareXsdType($strType1, $strType2)
-
-
-
- /**
- * Returns the type number for an xsd data type.
- *
- * @param string $strType XSD data type
- * @return int Some integer to compare two types.
- */
- public static function getXsdTypeNumber($strType)
- {
- if ($strType === null) {
- return 0;
- } else if ($strType == '') {
- return 1;
- } else {
- return 2;
- }
- }//public static function getXsdTypeNumber($strType)
-
-
-
- /**
- * Returns the ORDER BY sql query string
- * if neccessary for the query. The returned string
- * already has ORDER BY prefixed.
- *
- * @internal Also takes care of casting the data if the type
- * is listed in $arCastTypes. See getCastMethod() for more info.
- *
- * @param arrray $arTypeSet Single typeset
- * @return string ORDER BY ... string or empty string
- */
- function getSqlOrderBy($arTypeSet = array())
- {
- $arSM = $this->query->getSolutionModifier();
- if ($arSM['order by'] === null) {
- return '';
- }
-
- $sqlOrder = array();
- foreach ($arSM['order by'] as $arVar) {
- $strSparqlVar = $arVar['val'];
- if (isset($this->arUsedVarAssignments[$strSparqlVar])) {
- if (!isset($arTypeSet[$strSparqlVar]['datatype'])
- || $arTypeSet[$strSparqlVar]['datatype'] == '') {
- $sqlOrder[] = $this->arUsedVarAssignments[$strSparqlVar] . ' ' . strtoupper($arVar['type']);
- } else {
- $sqlOrder[] = self::getCastMethod(
- $arTypeSet[$strSparqlVar]['datatype'],
- $this->arUsedVarAssignments[$strSparqlVar]
- ) . ' ' . strtoupper($arVar['type']);
- }
- }
- }
-
- return ' ORDER BY ' . implode(', ', $sqlOrder);
- }//function getSqlOrderBy($arTypeSet = array())
-
-
-
- /**
- * Returns the SQL statement needed to case the given variable to
- * the given type.
- *
- * @param string $strType XML data type
- * @param string $strSqlVar SQL variable name
- * @return string SQL command to cast the variable
- */
- protected static function getCastMethod($strType, $strSqlVar)
- {
- if (isset(self::$arCastTypes[$strType])) {
- return 'CAST(' . $strSqlVar . ' as ' . self::$arCastTypes[$strType] . ')';
- } else {
- //unsupported type!
- throw new Exception('Unsupported cast type in order by: ' . $strType);
- return $strSqlVar;
- }
- }//protected static function getCastMethod($strType, $strSqlVar)
-
-
-
- /**
- * Creates and returns the SQL WHERE clauses needed to get only
- * data in the given typeset.
- *
- * @param array $arTypeSet Typeset
- * @return string Clauses for the WHERE part in an SQL query
- */
- protected function getTypesetWhereClause($arTypeSet)
- {
- $strWhereTypes = '';
- foreach ($arTypeSet as $strSparqlVar => $arType) {
- //check type
- $strWhereTypes .= ' AND ' . $this->arVarAssignments[$strSparqlVar][0]
- . '.' . $this->arVarAssignments[$strSparqlVar][2]
- . $this->getStringNullComparison($arType['type']);
- //check datatype
- if (isset($arType['datatype'])) {
- $strWhereTypes .= ' AND ' . $this->arVarAssignments[$strSparqlVar][0]
- . '.l_datatype '
- . $this->getStringNullComparison($arType['datatype']);
- }
- }
- return $strWhereTypes;
- }//protected function getTypesetWhereClause($arTypeSet)
-
-
-
- /**
- * Returns the correct sql string comparison method.
- *
- * @internal If the string is NULL, an "IS NULL" sql statment
- * will be returned, and a normal "= 'something'" if it is
- * a normal string.
- */
- protected function getStringNullComparison($str)
- {
- if ($str === null) {
- return ' IS NULL';
- } else {
- return ' = ' . $this->dbConn->qstr($str) . '';
- }
- }//protected function getStringNullComparison($str)
-
-}//class SparqlEngineDb_TypeSorter
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParser.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParser.php
deleted file mode 100755
index f0e2c8c6..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParser.php
+++ /dev/null
@@ -1,1551 +0,0 @@
-
-* @author Christian Weiske
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-class SparqlParser extends Object
-{
-
- /**
- * The query Object
- * @var Query
- */
- protected $query;
-
- /**
- * The Querystring
- * @var string
- */
- protected $queryString;
-
- /**
- * The tokenized Query
- * @var array
- */
- protected $tokens = array();
-
- /**
- * Last parsed graphPattern
- * @var int
- */
- protected $tmp;
-
- /**
- * Operators introduced by sparql
- * @var array
- */
- protected static $sops = array(
- 'regex',
- 'bound',
- 'isuri',
- 'isblank',
- 'isliteral',
- 'str',
- 'lang',
- 'datatype',
- 'langmatches'
- );
-
- /**
- * Which order operators are to be treated.
- * (11.3 Operator Mapping)
- * @var array
- */
- protected static $operatorPrecedence = array(
- '||' => 0,
- '&&' => 1,
- '=' => 2,
- '!=' => 3,
- '<' => 4,
- '>' => 5,
- '<=' => 6,
- '>=' => 7,
- '*' => 0,
- '/' => 0,
- '+' => 0,
- '-' => 0,
- );
-
-
-
- /**
- * Constructor of SparqlParser
- */
- public function SparqlParser()
- {
- }
-
-
-
- /**
- * Main function of SparqlParser. Parses a query string.
- *
- * @param String $queryString The SPARQL query
- * @return Query The query object
- * @throws SparqlParserException
- */
- public function parse($queryString = false)
- {
- $this->prepare();
-
- if ($queryString) {
- $this->query->setQueryString($queryString);
- $uncommentedQuery = $this->uncomment($queryString);
- $this->queryString = $uncommentedQuery;
- $this->tokens = self::tokenize($uncommentedQuery);
- $this->parseQuery();
- if (!$this->query->isComplete()) {
- throw new SparqlParserException(
- "Query is incomplete.",
- null,
- $queryString
- );
- }
- } else {
- throw new SparqlParserException(
- "Querystring is empty.",
- null,
- key($this->tokens)
- );
- $this->query->isEmpty = true;
- }
- return $this->query;
- }//public function parse($queryString = false)
-
-
-
- /**
- * Set all internal variables to a clear state
- * before we start parsing.
- */
- protected function prepare()
- {
- $this->query = new Query();
- $this->queryString = null;
- $this->tokens = array();
- $this->tmp = null;
- // add the default prefixes defined in constants.php
- global $default_prefixes;
- $this->query->prefixes = $default_prefixes;
- }//protected function prepare()
-
-
-
- /**
- * Tokenizes the query string into $tokens.
- * The query may not contain any comments.
- *
- * @param string $queryString Query to split into tokens
- *
- * @return array Tokens
- */
- public static function tokenize($queryString)
- {
- $queryString = trim($queryString);
- $specialChars = array(' ', "\t", "\r", "\n", ',', '\\', '(', ')','{','}','"',"'",';','[',']');
- $len = strlen($queryString);
- $tokens = array('');
- $n = 0;
-
- for ($i = 0; $i < $len; ++$i) {
- if (!in_array($queryString{$i}, $specialChars)) {
- $tokens[$n] .= $queryString{$i};
- } else {
- if ($tokens[$n] != '') {
- ++$n;
- if (!isset($tokens[$n])) {
- $tokens[$n] = '';
- }
- }
- if ($queryString{$i} == "'" && $n > 1
- && $tokens[$n - 2] == "'" && $tokens[$n - 1] == "'"
- ) {
- //special ''' quotation
- $tokens[$n - 2] = "'''";
- $tokens[$n - 1] = '';
- unset($tokens[$n]);
- --$n;
- continue;
- } else if ($queryString{$i} == '"' && $n > 1
- && $tokens[$n - 2] == '"' && $tokens[$n - 1] == '"'
- ) {
- //special """ quotation
- $tokens[$n - 2] = '"""';
- $tokens[$n - 1] = '';
- unset($tokens[$n]);
- --$n;
- continue;
- } else if ($queryString{$i} == '\\') {
- $tokens[$n] .= substr($queryString, $i, 2);
- ++$i;
- continue;
- }
- $tokens[$n] = $queryString{$i};
- $tokens[++$n] = '';
- }
- }
-//var_dump($tokens);
- return $tokens;
- }//public static function tokenize($queryString)
-
-
-
- /**
- * Removes comments in the query string. Comments are
- * indicated by '#'.
- *
- * @param String $queryString
- * @return String The uncommented query string
- */
- protected function uncomment($queryString)
- {
- $regex ="/((\"[^\"]*\")|(\'[^\']*\')|(\<[^\>]*\>))|(#.*)/";
- return preg_replace($regex,'\1',$queryString);
- }//protected function uncomment($queryString)
-
-
-
- /**
- * Starts parsing the tokenized SPARQL Query.
- *
- * @return void
- */
- protected function parseQuery()
- {
- do {
- switch (strtolower(current($this->tokens))) {
- case "base":
- $this->parseBase();
- break;
- case "prefix":
- $this->parsePrefix();
- break;
- case "select":
- $this->parseSelect();
- break;
- case "describe":
- $this->parseDescribe();
- break;
- case "ask":
- $this->parseAsk('ask');
- break;
- case "count":
- $this->parseAsk('count');
- break;
- case "from":
- $this->parseFrom();
- break;
- case "construct":
- $this->parseConstruct();
- break;
- case "where":
- $this->parseWhere();
- $this->parseModifier();
- break;
- case "{":
- prev($this->tokens);
- $this->parseWhere();
- $this->parseModifier();
- break;
- }
- } while (next($this->tokens));
-
- }//protected function parseQuery()
-
-
-
- /**
- * Parses the BASE part of the query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseBase()
- {
- $this->_fastForward();
- if ($this->iriCheck(current($this->tokens))) {
- $this->query->setBase(current($this->tokens));
- } else {
- $msg = current($this->tokens);
- $msg = preg_replace('/tokens)
- );
- }
- }
-
-
-
- /**
- * Adds a new namespace prefix to the query object.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parsePrefix()
- {
- $this->_fastForward();
- $prefix = substr(current($this->tokens), 0, -1);
- $this->_fastForward();
- if ($this->iriCheck(current($this->tokens))) {
- $uri = substr(current($this->tokens), 1, -1);
- $this->query->addPrefix($prefix, $uri);
- } else {
- $msg = current($this->tokens);
- $msg = preg_replace('/tokens)
- );
- }
- }
-
-
-
- /**
- * Parses the SELECT part of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseSelect()
- {
- $this->_fastForward();
- $curLow = strtolower(current($this->tokens));
- prev($this->tokens);
- if ($curLow == 'distinct') {
- $this->query->setResultForm('select distinct');
- } else {
- $this->query->setResultForm('select');
- }
-
- $currentVar = null;
- $currentFunc = null;
- $bWaitForRenaming = false;
- while ($curLow != 'from' && $curLow != 'where' &&
- $curLow != "{"
- ){
- $this->_fastForward();
- $curTok = current($this->tokens);
- $curLow = strtolower($curTok);
-
- if ($this->varCheck($curTok) || $curLow == '*') {
- if ($bWaitForRenaming) {
- $bWaitForRenaming = false;
- $currentVar->setAlias($curTok);
- if ($currentFunc != null) {
- $currentVar->setFunc($currentFunc);
- }
- $this->query->addResultVar($currentVar);
- $currentVar = null;
- } else {
- if ($currentVar != null) {
- $this->query->addResultVar($currentVar);
- $currentVar = null;
- }
- $currentVar = new Query_ResultVariable($curTok);
- if ($currentFunc != null) {
- $currentVar->setFunc($currentFunc);
- }
- }
- $currentFunc = null;
- } else if ($curLow == 'as') {
- if ($currentVar === null) {
- throw new SparqlParserException(
- 'AS requires a variable left and right',
- null,
- key($this->tokens)
- );
- }
- $bWaitForRenaming = true;
- } else if (in_array($curLow, self::$sops)) {
- $currentFunc = $curLow;
- }
-
- if (!current($this->tokens)) {
- throw new SparqlParserException(
- "Unexpected end of File.",
- null,
- key($this->tokens)
- );
- }
- }
-
- if ($currentVar != null) {
- $this->query->addResultVar($currentVar);
- }
- prev($this->tokens);
-
- if (count($this->query->getResultVars()) == 0) {
- throw new SparqlParserException(
- "Variable or '*' expected.",
- null,
- key($this->tokens)
- );
- }
- }//protected function parseSelect()
-
-
- /**
- * Adds a new variable to the query and sets result form to 'DESCRIBE'.
- *
- * @return void
- */
- protected function parseDescribe()
- {
- while(strtolower(current($this->tokens))!='from'& strtolower(current($this->tokens))!='where'){
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))|$this->iriCheck(current($this->tokens))){
- $this->query->addResultVar(current($this->tokens));
- if(!$this->query->getResultForm())
- $this->query->setResultForm('describe');
- }
- if(!current($this->tokens))
- break;
- }
- prev($this->tokens);
- }
-
- /**
- * Sets result form to 'ASK' and 'COUNT'.
- *
- * @param string $form if it's an ASK or COUNT query
- * @return void
- */
- protected function parseAsk($form){
- $this->query->setResultForm($form);
- $this->_fastForward();
- if(current($this->tokens)=="{")
- $this->_rewind();
- $this->parseWhere();
- $this->parseModifier();
- }
-
- /**
- * Parses the FROM clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseFrom(){
- $this->_fastForward();
- if(strtolower(current($this->tokens))!='named'){
- if($this->iriCheck(current($this->tokens))||$this->qnameCheck(current($this->tokens))){
- $this->query->addFrom(new Resource(substr(current($this->tokens),1,-1)));
- }else if($this->varCheck(current($this->tokens))){
- $this->query->addFrom(current($this->tokens));
- }else{
- throw new SparqlParserException("Variable, Iri or qname expected in FROM ",null,key($this->tokens));
- }
- $this->query->addFrom(current($this->tokens));
- }else{
- $this->_fastForward();
- if($this->iriCheck(current($this->tokens))||$this->qnameCheck(current($this->tokens))){
- $this->query->addFromNamed(new Resource(substr(current($this->tokens),1,-1)));
- }else if($this->varCheck(current($this->tokens))){
- $this->query->addFromNamed(current($this->tokens));
- }else{
- throw new SparqlParserException("Variable, Iri or qname expected in FROM NAMED ",null,key($this->tokens));
- }
- }
- }
-
-
- /**
- * Parses the CONSTRUCT clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseConstruct(){
- $this->_fastForward();
- $this->query->setResultForm('construct');
- if(current($this->tokens)=="{"){
- $this->parseGraphPattern(false,false,false,true);
- }else{
- throw new SparqlParserException("Unable to parse CONSTRUCT part. '{' expected. ",null,key($this->tokens));
- }
- $this->parseWhere();
- $this->parseModifier();
- }
-
-
- /**
- * Parses the WHERE clause.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseWhere(){
- $this->_fastForward();
- if(current($this->tokens)=="{"){
- $this->parseGraphPattern();
- }else{
- throw new SparqlParserException("Unable to parse WHERE part. '{' expected in Query. ",null,key($this->tokens));
- }
- }
-
-
-
- /**
- * Checks if $token is a variable.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is a variable false if not
- */
- protected function varCheck($token)
- {
- if (isset($token[0]) && ($token{0} == '$' || $token{0} == '?')) {
- $this->query->addUsedVar($token);
- return true;
- }
- return false;
- }
-
- /**
- * Checks if $token is an IRI.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is an IRI false if not
- */
- protected function iriCheck($token){
- $pattern="/^<[^>]*>\.?$/";
- if(preg_match($pattern,$token)>0)
- return true;
- return false;
- }
-
-
- /**
- * Checks if $token is a Blanknode.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is BNode false if not
- */
- protected function bNodeCheck($token){
- if($token{0} == "_")
- return true;
- else
- return false;
- }
-
-
- /**
- * Checks if $token is a qname.
- *
- * @param String $token The token
- * @return boolean TRUE if the token is a qname false if not
- * @throws SparqlParserException
- */
- protected function qnameCheck($token)
- {
- $pattern="/^([^:^\<]*):([^:]*)$/";
- if (preg_match($pattern,$token,$hits)>0) {
- $prefs = $this->query->getPrefixes();
- if (isset($prefs{$hits{1}})) {
- return true;
- }
- if ($hits{1} == "_") {
- return true;
- }
- throw new SparqlParserException("Unbound Prefix: ".$hits{1}."",null,key($this->tokens));
- } else {
- return false;
- }
- }
-
-
-
- /**
- * Checks if $token is a Literal.
- *
- * @param string $token The token
- *
- * @return boolean TRUE if the token is a Literal false if not
- */
- protected function literalCheck($token)
- {
- $pattern = "/^[\"\'].*$/";
- if (preg_match($pattern,$token) > 0) {
- return true;
- }
- return false;
- }//protected function literalCheck($token)
-
-
-
- /**
- * FastForward until next token which is not blank.
- *
- * @return void
- */
- protected function _fastForward()
- {
- next($this->tokens);
- while(current($this->tokens)==" "|current($this->tokens)==chr(10)|current($this->tokens)==chr(13)|current($this->tokens)==chr(9)){
- next($this->tokens);
- }
- }//protected function _fastForward()
-
-
-
- /**
- * Rewind until next token which is not blank.
- *
- * @return void
- */
- protected function _rewind()
- {
- prev($this->tokens);
- while(current($this->tokens)==" "|current($this->tokens)==chr(10)|current($this->tokens)==chr(13)|current($this->tokens)==chr(9)){
- prev($this->tokens);
- }
- return;
- }//protected function _rewind()
-
-
-
- /**
- * Parses a graph pattern.
- *
- * @param int $optional Optional graph pattern
- * @param int $union Union graph pattern
- * @param string $graph Graphname
- * @param boolean $constr TRUE if the pattern is a construct pattern
- * @param boolean $external If the parsed pattern shall be returned
- * @param int $subpattern If the new pattern is subpattern of the
- * pattern with the given id
- * @return void
- */
- protected function parseGraphPattern(
- $optional = false, $union = false, $graph = false,
- $constr = false, $external = false, $subpattern = false
- ){
- $pattern = $this->query->getNewPattern($constr);
- if (is_int($optional)) {
- $pattern->setOptional($optional);
- } else {
- $this->tmp = $pattern->getId();
- }
- if (is_int($union)) {
- $pattern->setUnion($union);
- }
- if (is_int($subpattern)) {
- $pattern->setSubpatternOf($subpattern);
- }
- if ($graph != false) {
- $pattern->setGraphname($graph);
- }
-
- $this->_fastForward();
-
- do {
- switch (strtolower(current($this->tokens))) {
- case "graph":
- $this->parseGraph();
- break;
- case "union":
- $this->_fastForward();
- $this->parseGraphPattern(
- false, $this->tmp, false, false, false, $subpattern
- );
- break;
- case "optional":
- $this->_fastForward();
- $this->parseGraphPattern(
- $this->tmp, false, false, false, false, $subpattern
- );
- break;
- case "filter":
- $this->parseConstraint(
- $pattern, true, false, false, false, $subpattern
- );
- $this->_fastForward();
- break;
- case ".":
- $this->_fastForward();
- break;
- case "{":
- if (!is_int($subpattern)) {
- $subpattern = $pattern->getId();
- }
-
- $this->parseGraphPattern(
- false, false, false, false, false, $subpattern
- );
- break;
- case "}":
- $pattern->open = false;
- break;
- default:
- $this->parseTriplePattern($pattern);
- break;
- }
- } while ($pattern->open);
-
- if ($external) {
- return $pattern;
- }
- $this->_fastForward();
- }
-
- /**
- * Parses a triple pattern.
- *
- * @param GraphPattern $pattern
- * @return void
- */
- protected function parseTriplePattern(&$pattern)
- {
- $trp = array();
- $prev = false;
- $prevPred = false;
- $cont = true;
- $sub = "";
- $pre = "";
- $tmp = "";
- $tmpPred = "";
- $obj = "";
- do {
-//echo strtolower(current($this->tokens)) . "\n";
- switch (strtolower(current($this->tokens))) {
- case false:
- $cont = false;
- $pattern->open = false;
- break;
- case "filter":
- $this->parseConstraint($pattern,false);
- $this->_fastForward();
- break;
- case "optional":
- $this->_fastForward();
- $this->parseGraphPattern($pattern->getId(),false);
- $cont = false;
- break;
- case "union":
- $this->_fastForward();
- $this->parseGraphPattern(
- false, $this->tmp, false, false, false, $pattern->getId()
- );
- break;
- case ";":
- $prev = true;
- $this->_fastForward();
- break;
- case ".":
- $prev = false;
- $this->_fastForward();
- break;
- case "graph":
- $this->parseGraph();
- break;
- case ",":
- $prev = true;
- $prevPred = true;
- $this->_fastForward();
- break;
- case "}":
- $prev = false;
- $pattern->open = false;
- $cont = false;
- break;
- case '{':
- //subpatterns opens
- $this->parseGraphPattern(
- false, false, false, false, false, $pattern->getId()
- );
- break;
- case "[":
- $prev = true;
- $tmp = $this->parseNode($this->query->getBlanknodeLabel());
- $this->_fastForward();
- break;
- case "]":
- $prev = true;
- $this->_fastForward();
- break;
- case "(":
- $prev = true;
- $tmp = $this->parseCollection($trp);
- $this->_fastForward();
- break;
- case false:
- $cont = false;
- $pattern->open = false;
- break;
- default:
- if ($prev) {
- $sub = $tmp;
- } else {
- $sub = $this->parseNode();
- $this->_fastForward();
- $tmp = $sub;
- }
- if ($prevPred) {
- $pre = $tmpPred;
- } else {
- $pre = $this->parseNode();
- $this->_fastForward();
- $tmpPred = $pre;
- }
- if (current($this->tokens)=="[") {
- $tmp = $this->parseNode($this->query->getBlanknodeLabel());
- $prev = true;
- $obj = $tmp;
- } else if (current($this->tokens)=="(") {
- $obj = $this->parseCollection($trp);
- } else {
- $obj = $this->parseNode();
- }
- $trp[] = new QueryTriple($sub,$pre,$obj);
- $this->_fastForward();
- break;
-
- }
- } while ($cont);
-
- if (count($trp) > 0) {
- $pattern->addTriplePatterns($trp);
- }
- }
-
-
-
- /**
- * Parses a value constraint.
- *
- * @param GraphPattern $pattern
- * @param boolean $outer If the constraint is an outer one.
- * @return void
- */
- protected function parseConstraint(&$pattern, $outer)
- {
- $constraint = new Constraint();
- $constraint->setOuterFilter($outer);
- $this->_fastForward();
- $this->_rewind();
- $nBeginKey = key($this->tokens);
- $constraint->setTree(
- $t = $this->parseConstraintTree()
- );
-
- $nEndKey = key($this->tokens);
- if (current($this->tokens) == '}') {
- prev($this->tokens);
- }
-
- //for backwards compatibility with the normal sparql engine
- // which does not use the tree array currently
- $expression = trim(implode(
- '',
- array_slice(
- $this->tokens,
- $nBeginKey + 1,
- $nEndKey - $nBeginKey - 1
- )
- ));
- if ($expression[0] == '(' && substr($expression, -1) == ')') {
- $expression = trim(substr($expression, 1, -1));
- }
- $constraint->addExpression($expression);
-
- $pattern->addConstraint($constraint);
- }//protected function parseConstraint(&$pattern, $outer)
-
-
-
- /**
- * Parses a constraint string recursively.
- *
- * The result array is one "element" which may contain subelements.
- * All elements have one key "type" that determines which other
- * array keys the element array has. Valid types are:
- * - "value":
- * Just a plain value with a value key, nothing else
- * - "function"
- * A function has a name and an array of parameter(s). Each parameter
- * is an element.
- * - "equation"
- * An equation has an operator, and operand1 and operand2 which
- * are elements themselves
- * Any element may have the "negated" value set to true, which means
- * that is is - negated (!).
- *
- * @internal The functionality of this method is being unit-tested
- * in testSparqlParserTests::testParseFilter()
- * "equation'-elements have another key "level" which is to be used
- * internally only.
- *
- * @return array Nested tree array representing the filter
- */
- protected function parseConstraintTree($nLevel = 0, $bParameter = false)
- {
- $tree = array();
- $part = array();
- $chQuotes = null;
- $litQuotes = null;
- $strQuoted = '';
-
- while ($tok = next($this->tokens)) {
-//var_dump(array($tok, $tok[strlen($tok) - 1]));
- if ($chQuotes !== null && $tok != $chQuotes) {
- $strQuoted .= $tok;
- continue;
- } else if ($litQuotes !== null) {
- $strQuoted .= $tok;
- if ($tok[strlen($tok) - 1] == '>') {
- $tok = '>';
- } else {
- continue;
- }
- } else if ($tok == ')' || $tok == '}' || $tok == '.') {
- break;
- }
-
- switch ($tok) {
- case '"':
- case '\'':
- if ($chQuotes === null) {
- $chQuotes = $tok;
- $strQuoted = '';
- } else {
- $chQuotes = null;
- $part[] = array(
- 'type' => 'value',
- 'value' => $strQuoted,
- 'quoted'=> true
- );
- }
- continue 2;
- break;
-
- case '>':
- $litQuotes = null;
- $part[] = array(
- 'type' => 'value',
- 'value' => $strQuoted,
- 'quoted'=> false
- );
- continue 2;
- break;
-
- case '(':
- $bFunc1 = isset($part[0]['type']) && $part[0]['type'] == 'value';
- $bFunc2 = isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand2']) && isset($tree['operand2']['value']);
- $part[] = $this->parseConstraintTree(
- $nLevel + 1,
- $bFunc1 || $bFunc2
- );
-
- if ($bFunc1) {
- $tree['type'] = 'function';
- $tree['name'] = $part[0]['value'];
- self::fixNegationInFuncName($tree);
- if (isset($part[1]['type'])) {
- $part[1] = array($part[1]);
- }
- $tree['parameter'] = $part[1];
- $part = array();
- } else if ($bFunc2) {
- $tree['operand2']['type'] = 'function';
- $tree['operand2']['name'] = $tree['operand2']['value'];
- self::fixNegationInFuncName($tree['operand2']);
- $tree['operand2']['parameter'] = $part[0];
- unset($tree['operand2']['value']);
- unset($tree['operand2']['quoted']);
- $part = array();
- }
- continue 2;
- break;
-
- case ' ':
- case "\t":
- continue 2;
-
- case '=':
- case '>':
- case '<':
- case '<=':
- case '>=':
- case '!=':
- case '&&':
- case '||':
- if (isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand2'])) {
- //previous equation open
- $part = array($tree);
- } else if (isset($tree['type']) && $tree['type'] != 'equation') {
- $part = array($tree);
- $tree = array();
- }
- $tree['type'] = 'equation';
- $tree['level'] = $nLevel;
- $tree['operator'] = $tok;
- $tree['operand1'] = $part[0];
- unset($tree['operand2']);
- $part = array();
- continue 2;
- break;
-
- case '!':
- if ($tree != array()) {
- throw new SparqlParserException(
- 'Unexpected "!" negation in constraint.'
- );
- }
- $tree['negated'] = true;
- continue 2;
-
- case ',':
- //parameter separator
- if (count($part) == 0 && !isset($tree['type'])) {
- throw new SparqlParserException(
- 'Unexpected comma'
- );
- }
- $bParameter = true;
- if (count($part) == 0) {
- $part[] = $tree;
- $tree = array();
- }
- continue 2;
-
- default:
- break;
- }
-
- if ($this->varCheck($tok)) {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- } else if (substr($tok, 0, 2) == '^^') {
- $part[count($part) - 1]['datatype']
- = $this->query->getFullUri(substr($tok, 2));
- } else if ($tok[0] == '@') {
- $part[count($part) - 1]['language'] = substr($tok, 1);
- } else if ($tok[0] == '<') {
- if ($tok[strlen($tok) - 1] == '>') {
- //single-tokenized <> uris
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- } else {
- //iris split over several tokens
- $strQuoted = $tok;
- $litQuotes = true;
- }
- } else if ($tok == 'true' || $tok == 'false') {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false,
- 'datatype' => 'http://www.w3.org/2001/XMLSchema#boolean'
- );
- } else {
- $part[] = array(
- 'type' => 'value',
- 'value' => $tok,
- 'quoted' => false
- );
- }
-
- if (isset($tree['type']) && $tree['type'] == 'equation' && isset($part[0])) {
- $tree['operand2'] = $part[0];
- self::balanceTree($tree);
- $part = array();
- }
- }
-
- if (!isset($tree['type']) && $bParameter) {
- return $part;
- } else if (isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand1']) && !isset($tree['operand2'])
- && isset($part[0])) {
- $tree['operand2'] = $part[0];
- self::balanceTree($tree);
- }
-
- if (!isset($tree['type']) && isset($part[0])) {
- if (isset($tree['negated'])) {
- $part[0]['negated'] = true;
- }
- return $part[0];
- }
-
- return $tree;
- }//protected function parseConstraintTree($nLevel = 0, $bParameter = false)
-
-
-
- /**
- * "Balances" the filter tree in the way that operators on the same
- * level are nested according to their precedence defined in
- * $operatorPrecedence array.
- *
- * @param array $tree Tree to be modified
- */
- protected static function balanceTree(&$tree)
- {
- if (
- isset($tree['type']) && $tree['type'] == 'equation'
- && isset($tree['operand1']['type']) && $tree['operand1']['type'] == 'equation'
- && $tree['level'] == $tree['operand1']['level']
- && self::$operatorPrecedence[$tree['operator']] > self::$operatorPrecedence[$tree['operand1']['operator']]
- ) {
- $op2 = array(
- 'type' => 'equation',
- 'level' => $tree['level'],
- 'operator' => $tree['operator'],
- 'operand1' => $tree['operand1']['operand2'],
- 'operand2' => $tree['operand2']
- );
- $tree['operator'] = $tree['operand1']['operator'];
- $tree['operand1'] = $tree['operand1']['operand1'];
- $tree['operand2'] = $op2;
- }
- }//protected static function balanceTree(&$tree)
-
-
-
- protected static function fixNegationInFuncName(&$tree)
- {
- if ($tree['type'] == 'function' && $tree['name'][0] == '!') {
- $tree['name'] = substr($tree['name'], 1);
- if (!isset($tree['negated'])) {
- $tree['negated'] = true;
- } else {
- unset($tree['negated']);
- }
- //perhaps more !!
- self::fixNegationInFuncName($tree);
- }
- }//protected static function fixNegationInFuncName(&$tree)
-
-
-
- /**
- * Parses a bracketted expression.
- *
- * @param Constraint $constraint
- * @return void
- * @throws SparqlParserException
- */
- protected function parseBrackettedExpression(&$constraint)
- {
- $open = 1;
- $exp = "";
- $this->_fastForward();
- while ($open != 0 && current($this->tokens)!= false) {
- switch (current($this->tokens)) {
- case "(":
- $open++;
- $exp = $exp . current($this->tokens);
- break;
- case ")":
- $open--;
- if($open != 0){
- $exp = $exp . current($this->tokens);
- }
- break;
- case false:
- throw new SparqlParserException(
- "Unexpected end of query.",
- null,
- key($this->tokens)
- );
- default:
- $exp = $exp . current($this->tokens);
- break;
- }
- next($this->tokens);
- }
- $constraint->addExpression($exp);
- }
-
-
- /**
- * Parses an expression.
- *
- * @param Constraint $constrain
- * @return void
- * @throws SparqlParserException
- */
- protected function parseExpression(&$constraint)
- {
- $exp = "";
- while (current($this->tokens) != false && current($this->tokens) != "}") {
- switch (current($this->tokens)) {
- case false:
- throw new SparqlParserException(
- "Unexpected end of query.",
- null,
- key($this->tokens)
- );
- case ".":
- break;
- break;
- default:
- $exp = $exp . current($this->tokens);
- break;
- }
- next($this->tokens);
- }
- $constraint->addExpression($exp);
- }
-
- /**
- * Parses a GRAPH clause.
- *
- * @param GraphPattern $pattern
- * @return void
- * @throws SparqlParserException
- */
- protected function parseGraph(){
- $this->_fastForward();
- $name = current($this->tokens);
- if(!$this->varCheck($name)&!$this->iriCheck($name)&&!$this->qnameCheck($name)){
- $msg = $name;
- $msg = preg_replace('/tokens));
- }
- $this->_fastForward();
-
- if($this->iriCheck($name)){
- $name = new Resource(substr($name,1,-1));
- }else if($this->qnameCheck($name)){
- $name = new Resource($this->query->getFullUri($name));
- }
- $this->parseGraphPattern(false,false,$name);
- if(current($this->tokens)=='.')
- $this->_fastForward();
- }
-
- /**
- * Parses the solution modifiers of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseModifier(){
- do{
- switch(strtolower(current($this->tokens))){
- case "order":
- $this->_fastForward();
- if(strtolower(current($this->tokens))=='by'){
- $this->_fastForward();
- $this->parseOrderCondition();
- }else{
- throw new SparqlParserException("'BY' expected.",null,key($this->tokens));
- }
- break;
- case "limit":
- $this->_fastForward();
- $val = current($this->tokens);
- $this->query->setSolutionModifier('limit',$val);
- break;
- case "offset":
- $this->_fastForward();
- $val = current($this->tokens);
- $this->query->setSolutionModifier('offset',$val);
- break;
- default:
- break;
- }
- }while(next($this->tokens));
- }
-
- /**
- * Parses order conditions of a query.
- *
- * @return void
- * @throws SparqlParserException
- */
- protected function parseOrderCondition(){
- $valList = array();
- $val = array();
- while(strtolower(current($this->tokens))!='limit'
- & strtolower(current($this->tokens))!= false
- & strtolower(current($this->tokens))!= 'offset'){
- switch (strtolower(current($this->tokens))){
- case "desc":
- $this->_fastForward();
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- if(current($this->tokens)!=')')
- throw new SparqlParserException("missing ')' in ORDER BY clause.",null,key($this->tokens));
- $val['type'] = 'desc';
- $this->_fastForward();
- break;
- case "asc" :
- $this->_fastForward();
- $this->_fastForward();
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- if(current($this->tokens)!=')')
- throw new SparqlParserException("missing ')' in ORDER BY clause.",null,key($this->tokens));
- $val['type'] = 'asc';
- $this->_fastForward();
- break;
- default:
- if($this->varCheck(current($this->tokens))){
- $val['val'] = current($this->tokens);
- $val['type'] = 'asc';
- }else{
- throw new SparqlParserException("Variable expected in ORDER BY clause. ",null,key($this->tokens));
- }
- $this->_fastForward();
- break;
- }
- $valList[] = $val;
- }
- prev($this->tokens);
- $this->query->setSolutionModifier('order by',$valList);
- }
-
- /**
- * Parses a String to an RDF node.
- *
- * @param String $node
- *
- * @return Node The parsed RDF node
- * @throws SparqlParserException
- */
- protected function parseNode($node = false)
- {
- //$eon = false;
- if ($node) {
- $node = $node;
- } else {
- $node = current($this->tokens);
- }
- if ($node{strlen($node)-1} == '.') {
- $node = substr($node,0,-1);
- }
- if ($this->dtypeCheck($node)) {
- return $node;
- }
- if ($this->bNodeCheck($node)) {
- $node = '?'.$node;
- $this->query->addUsedVar($node);
- return $node;
- }
- if ($node == '[') {
- $node = '?' . substr($this->query->getBlanknodeLabel(), 1);
- $this->query->addUsedVar($node);
- $this->_fastForward();
- if(current($this->tokens)!=']') {
- prev($this->tokens);
- }
- return $node;
- }
- if ($this->iriCheck($node)){
- $base = $this->query->getBase();
- if ($base!=null) {
- $node = new Resource(substr(substr($base,0,-1).substr($node,1),1,-1));
- } else {
- $node = new Resource(substr($node,1,-1));
- }
- return $node;
- } else if ($this->qnameCheck($node)) {
- $node = $this->query->getFullUri($node);
- $node = new Resource($node);
- return $node;
- } else if ($this->literalCheck($node)) {
- $ch = substr($node, 0, 1);
- $chLong = str_repeat($ch, 3);
- if (substr($node, 0, 3) == $chLong) {
- $ch = $chLong;
- }
- $this->parseLiteral($node, $ch);
- } else if ($this->varCheck($node)) {
- $pos = strpos($node,'.');
- if ($pos) {
- return substr($node,0,$pos);
- } else {
- return $node;
- }
- } else if ($node[0] == '<') {
- //partial IRI? loop tokens until we find a closing >
- while (next($this->tokens)) {
- $node .= current($this->tokens);
- if (substr($node, -1) == '>') {
- break;
- }
- }
- if (substr($node, -1) != '>') {
- throw new SparqlParserException(
- "Unclosed IRI: " . $node,
- null,
- key($this->tokens)
- );
- }
- return $this->parseNode($node);
- } else {
- throw new SparqlParserException(
- '"' . $node . '" is neither a valid rdf- node nor a variable.',
- null,
- key($this->tokens)
- );
- }
- return $node;
- }//protected function parseNode($node = false)
-
-
-
- /**
- * Checks if there is a datatype given and appends it to the node.
- *
- * @param string $node Node to check
- *
- * @return void
- */
- protected function checkDtypeLang(&$node, $nSubstrLength = 1)
- {
- $this->_fastForward();
- switch (substr(current($this->tokens), 0, 1)) {
- case '^':
- if (substr(current($this->tokens),0,2)=='^^') {
- $node = new Literal(substr($node,1,-1));
- $node->setDatatype(
- $this->query->getFullUri(
- substr(current($this->tokens), 2)
- )
- );
- }
- break;
- case '@':
- $node = new Literal(
- substr($node, $nSubstrLength, -$nSubstrLength),
- substr(current($this->tokens), $nSubstrLength)
- );
- break;
- default:
- prev($this->tokens);
- $node = new Literal(substr($node, $nSubstrLength, -$nSubstrLength));
- break;
-
- }
- }//protected function checkDtypeLang(&$node, $nSubstrLength = 1)
-
-
-
- /**
- * Parses a literal.
- *
- * @param String $node
- * @param String $sep used separator " or '
- *
- * @return void
- */
- protected function parseLiteral(&$node, $sep)
- {
- do {
- next($this->tokens);
- $node = $node.current($this->tokens);
- } while (current($this->tokens) != $sep);
- $this->checkDtypeLang($node, strlen($sep));
- }//protected function parseLiteral(&$node, $sep)
-
-
-
- /**
- * Checks if the Node is a typed Literal.
- *
- * @param String $node
- *
- * @return boolean TRUE if typed FALSE if not
- */
- protected function dtypeCheck(&$node)
- {
- $patternInt = "/^-?[0-9]+$/";
- $match = preg_match($patternInt,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'integer');
- return true;
- }
- $patternBool = "/^(true|false)$/";
- $match = preg_match($patternBool,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'boolean');
- return true;
- }
- $patternType = "/^a$/";
- $match = preg_match($patternType,$node,$hits);
- if($match>0){
- $node = new Resource(RDF_NAMESPACE_URI.'type');
- return true;
- }
- $patternDouble = "/^-?[0-9]+.[0-9]+[e|E]?-?[0-9]*/";
- $match = preg_match($patternDouble,$node,$hits);
- if($match>0){
- $node = new Literal($hits[0]);
- $node->setDatatype(XML_SCHEMA.'double');
- return true;
- }
- return false;
- }//protected function dtypeCheck(&$node)
-
-
-
- /**
- * Parses an RDF collection.
- *
- * @param TriplePattern $trp
- *
- * @return Node The first parsed label
- */
- protected function parseCollection(&$trp)
- {
- $tmpLabel = $this->query->getBlanknodeLabel();
- $firstLabel = $this->parseNode($tmpLabel);
- $this->_fastForward();
- $i = 0;
- while (current($this->tokens)!=")") {
- if($i>0)
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"),$this->parseNode($tmpLabel = $this->query->getBlanknodeLabel()));
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#first"),$this->parseNode());
- $this->_fastForward();
- $i++;
- }
- $trp[] = new QueryTriple($this->parseNode($tmpLabel),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"),new Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"));
- return $firstLabel;
- }//protected function parseCollection(&$trp)
-
-}// end class: SparqlParser.php
-
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParserException.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParserException.php
deleted file mode 100755
index 9151ce84..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlParserException.php
+++ /dev/null
@@ -1,33 +0,0 @@
-
-* @version $Id$
-* @license http://www.gnu.org/licenses/lgpl.html LGPL
-*
-* @package sparql
-*/
-Class SparqlParserException extends Exception{
-
- private $tokenPointer;
-
- public function __construct($message, $code = 0, $pointer){
-
- $this->tokenPointer = $pointer;
- parent::__construct($message, $code);
- }
-
- /**
- * Returns a pointer to the token which caused the exception.
- * @return int
- */
- public function getPointer(){
- return $this->tokenPointer;
- }
-
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlVariable.php b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlVariable.php
deleted file mode 100755
index 5db6e665..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/sparql/SparqlVariable.php
+++ /dev/null
@@ -1,40 +0,0 @@
-name = $name;
- }
-
-
-
- public function __toString()
- {
- return $this->name;
- }
-
-
-
- /**
- * Checks if the given subject/predicate/object
- * is a variable name.
- *
- * @return boolean
- */
- public static function isVariable($bject)
- {
- return is_string($bject) && strlen($bject) >= 2
- && ($bject[0] == '?' || $bject[0] == '$');
- }//public static function isVariable($bject)
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/all-wcprops b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/all-wcprops
deleted file mode 100755
index 214ebffe..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/all-wcprops
+++ /dev/null
@@ -1,113 +0,0 @@
-K 25
-svn:wc:ra_dav:version-url
-V 60
-/svnroot/rdfapi-php/!svn/ver/556/trunk/rdfapi-php/api/syntax
-END
-N3Parser.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/517/trunk/rdfapi-php/api/syntax/N3Parser.php
-END
-TriXParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/syntax/TriXParser.php
-END
-JsonSerializer.php
-K 25
-svn:wc:ra_dav:version-url
-V 79
-/svnroot/rdfapi-php/!svn/ver/555/trunk/rdfapi-php/api/syntax/JsonSerializer.php
-END
-SyntaxGRDDL.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/SyntaxGRDDL.php
-END
-RdfSerializer.php
-K 25
-svn:wc:ra_dav:version-url
-V 78
-/svnroot/rdfapi-php/!svn/ver/316/trunk/rdfapi-php/api/syntax/RdfSerializer.php
-END
-NTripleSerializer.php
-K 25
-svn:wc:ra_dav:version-url
-V 82
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/syntax/NTripleSerializer.php
-END
-GRDDLParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 76
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/GRDDLParser.php
-END
-N3Serializer.php
-K 25
-svn:wc:ra_dav:version-url
-V 77
-/svnroot/rdfapi-php/!svn/ver/556/trunk/rdfapi-php/api/syntax/N3Serializer.php
-END
-SparqlResultParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 83
-/svnroot/rdfapi-php/!svn/ver/442/trunk/rdfapi-php/api/syntax/SparqlResultParser.php
-END
-SyntaxRSS.php
-K 25
-svn:wc:ra_dav:version-url
-V 74
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/SyntaxRSS.php
-END
-TriXSerializer.php
-K 25
-svn:wc:ra_dav:version-url
-V 79
-/svnroot/rdfapi-php/!svn/ver/268/trunk/rdfapi-php/api/syntax/TriXSerializer.php
-END
-SyntaxJSON.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/552/trunk/rdfapi-php/api/syntax/SyntaxJSON.php
-END
-SyntaxRDF.php
-K 25
-svn:wc:ra_dav:version-url
-V 74
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/SyntaxRDF.php
-END
-SyntaxSparqlRes.php
-K 25
-svn:wc:ra_dav:version-url
-V 80
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/SyntaxSparqlRes.php
-END
-RssParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 74
-/svnroot/rdfapi-php/!svn/ver/301/trunk/rdfapi-php/api/syntax/RssParser.php
-END
-JsonParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 75
-/svnroot/rdfapi-php/!svn/ver/555/trunk/rdfapi-php/api/syntax/JsonParser.php
-END
-SyntaxN3.php
-K 25
-svn:wc:ra_dav:version-url
-V 73
-/svnroot/rdfapi-php/!svn/ver/320/trunk/rdfapi-php/api/syntax/SyntaxN3.php
-END
-RdfParser.php
-K 25
-svn:wc:ra_dav:version-url
-V 74
-/svnroot/rdfapi-php/!svn/ver/493/trunk/rdfapi-php/api/syntax/RdfParser.php
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/entries b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/entries
deleted file mode 100755
index 008b678a..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/entries
+++ /dev/null
@@ -1,262 +0,0 @@
-8
-
-dir
-556
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php/trunk/rdfapi-php/api/syntax
-https://rdfapi-php.svn.sourceforge.net/svnroot/rdfapi-php
-
-
-
-2008-01-22T10:52:48.041272Z
-556
-fusel2k
-
-
-svn:special svn:externals svn:needs-lock
-
-
-
-
-
-
-
-
-
-
-
-b2ee660e-c932-0410-bdee-d8da4d8102f4
-
-N3Parser.php
-file
-
-
-
-
-2008-02-29T14:57:47.865530Z
-112f9ffb3eecb8f3889f1b7924f638b9
-2007-08-13T16:14:17.763656Z
-517
-cweiske
-has-props
-
-TriXParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.896771Z
-1eb40f115840fcd2c5067931dd90d9b3
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-JsonSerializer.php
-file
-
-
-
-
-2008-02-29T14:57:47.881151Z
-7e382932ad24a6eb9fbfbd43a3bdf586
-2007-12-11T20:27:34.710933Z
-555
-p_frischmuth
-has-props
-
-SyntaxGRDDL.php
-file
-
-
-
-
-2008-02-29T14:57:47.881151Z
-035b206f45692cb49acaf5211b43f4ff
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-RdfSerializer.php
-file
-
-
-
-
-2008-02-29T14:57:47.896771Z
-8182d432e5d53187b4ed144b4e92a5b8
-2006-08-24T07:55:29.000000Z
-316
-tgauss
-has-props
-
-NTripleSerializer.php
-file
-
-
-
-
-2008-02-29T14:57:47.912392Z
-d80d6ba00ff0cd324384a34a40c831ab
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-GRDDLParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.912392Z
-b3c7c8b3e0fa482c12f511683772c4ea
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-N3Serializer.php
-file
-
-
-
-
-2008-02-29T14:57:47.928013Z
-30157ef08631eef25957a56e3542d284
-2008-01-22T10:52:48.041272Z
-556
-fusel2k
-has-props
-
-SparqlResultParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.943633Z
-5c7a1a5a7e925334256ce0b12354c20f
-2007-06-01T16:19:26.000000Z
-442
-cax
-has-props
-
-SyntaxRSS.php
-file
-
-
-
-
-2008-02-29T14:57:47.928013Z
-8b422e251e0ba0658d541ecbc9541aea
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-TriXSerializer.php
-file
-
-
-
-
-2008-02-29T14:57:47.943633Z
-adb9be4b413f8b2a9055bcfb4d2eff53
-2006-05-15T05:28:09.000000Z
-268
-tgauss
-has-props
-
-SyntaxJSON.php
-file
-
-
-
-
-2008-02-29T14:57:47.943633Z
-754f114a67a5ba7da4deea1ab439c990
-2007-11-23T09:12:11.140388Z
-552
-p_frischmuth
-has-props
-
-SyntaxRDF.php
-file
-
-
-
-
-2008-02-29T14:57:47.959254Z
-e7c898c17d52c5dc6308a71ea547ce6f
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-SyntaxSparqlRes.php
-file
-
-
-
-
-2008-02-29T14:57:47.959254Z
-b2493bd4cee875db558b5d708181b2a7
-2006-11-21T09:38:51.000000Z
-320
-tgauss
-has-props
-
-RssParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.974874Z
-325cb7dcfb103295a7f5974384e312ab
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-301
-tgauss
-has-props
-
-JsonParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.974874Z
-54244ff3c37bf47b4e9b914d2b50d1e0
-2007-12-11T20:27:34.710933Z
-555
-p_frischmuth
-has-props
-
-SyntaxN3.php
-file
-
-
-
-
-2008-02-29T14:57:47.990495Z
-f31fb3eceb8ca23be83648f5e7b1909d
-2006-11-21T09:38:51.000000Z
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-tgauss
-has-props
-
-RdfParser.php
-file
-
-
-
-
-2008-02-29T14:57:47.990495Z
-89eba3f0656c075f28c178b4a678dc05
-2007-08-12T17:43:07.694190Z
-493
-cweiske
-has-props
-
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/format b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/format
deleted file mode 100755
index 45a4fb75..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/format
+++ /dev/null
@@ -1 +0,0 @@
-8
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/GRDDLParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/GRDDLParser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/GRDDLParser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonParser.php.svn-base
deleted file mode 100755
index 92c8ad74..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonParser.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 12
-svn:keywords
-V 2
-Id
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonSerializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonSerializer.php.svn-base
deleted file mode 100755
index 92c8ad74..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/JsonSerializer.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 12
-svn:keywords
-V 2
-Id
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Parser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Parser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Parser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Serializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Serializer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/N3Serializer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/NTripleSerializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/NTripleSerializer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/NTripleSerializer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfParser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfParser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfSerializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfSerializer.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RdfSerializer.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RssParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RssParser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/RssParser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SparqlResultParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SparqlResultParser.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SparqlResultParser.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxGRDDL.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxGRDDL.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxGRDDL.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxJSON.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxJSON.php.svn-base
deleted file mode 100755
index 92c8ad74..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxJSON.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 12
-svn:keywords
-V 2
-Id
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxN3.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxN3.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxN3.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRDF.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRDF.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRDF.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRSS.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRSS.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxRSS.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxSparqlRes.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxSparqlRes.php.svn-base
deleted file mode 100755
index 7b57b302..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/SyntaxSparqlRes.php.svn-base
+++ /dev/null
@@ -1,9 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-K 12
-svn:keywords
-V 23
-Author Date Id Revision
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXParser.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXParser.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXSerializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXSerializer.php.svn-base
deleted file mode 100755
index bdbd3051..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/prop-base/TriXSerializer.php.svn-base
+++ /dev/null
@@ -1,5 +0,0 @@
-K 13
-svn:eol-style
-V 6
-native
-END
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/GRDDLParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/GRDDLParser.php.svn-base
deleted file mode 100755
index 988927d4..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/GRDDLParser.php.svn-base
+++ /dev/null
@@ -1,120 +0,0 @@
-,
- *
- * @package syntax
- * @access public
- *
- */
-class GRDDLParser extends Object{
-
-
- /**
- * Document link
- *
- *
- * @var String
- * @access private
- */
- var $doclink;
-
-
- /**
- * Stylesheet link
- *
- *
- * @var String[]
- * @access private
- */
- var $stylelinks;
-
-
- /**
- * DomDocument
- *
- * @var DomDocument
- * @access private
- */
- var $domdoc;
-
-
- /**
- * generates a MemModel and creates the DomDocument.
- *
- * @param String $doc
- * @access public
- * @return MemModel $model
- */
- function generateModel($doc){
- $model = new MemModel();
- $this->doclink=$doc;
- $this->domdoc = new DomDocument;
- $this->domdoc->load($doc);
- $this->_getStyles();
- $model = $this->_generateRDF();
- return $model;
- }
-
-
- /**
- * gets the used xsl stylesheets.
- *
- * @access private
- */
- function _getStyles(){
- $link=$this->domdoc->getElementsByTagName('link');
- $i=0;
- while($link->item($i)!=''){
- $item = $link->item($i);
- if($item->getAttributeNode('rel')->value=='transformation'){
- $temp = $item->getAttributeNode('href')->value;
- if(substr($temp,0,1)=='/'){
- $pos = strrpos($this->doclink,'/');
- $part = substr($this->doclink,0,$pos);
- $this->stylelink[]=$part.$temp;
- }else{
- $this->stylelink[]=$temp;
- }
- }
- $i++;
- }
- }
-
- /*
- * uses the PHP build in xslt processor to
- * generate the RDF statements and uses the
- * RDF- Parser to generate the model
- *
- * @access private
- * @return MemModel $model
- */
- function _generateRDF(){
- $model=new MemModel();
- $model->setBaseURI($this->doclink);
- $proc = new xsltprocessor;
- include_once(RDFAPI_INCLUDE_DIR.PACKAGE_SYNTAX_RDF);
- $pars=new RdfParser();
- foreach($this->stylelink as $key => $value){
- $xsl = new DomDocument;
- $xsl->load($value);
- $proc->importStyleSheet($xsl);
- $model->addModel($pars->generateModel($proc->transformToXML($this->domdoc),$this->doclink));
- }
- return $model;
- }
-
-
-
-}
-?>
\ No newline at end of file
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonParser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonParser.php.svn-base
deleted file mode 100755
index 61dc2781..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonParser.php.svn-base
+++ /dev/null
@@ -1,54 +0,0 @@
-
- * @version $Id$
- */
-class JsonParser extends Object {
-
- /**
- * This method takes a json encoded rdf-model and a reference to aa (usually empty) MemModel, parses the json
- * string and adds the statements to the given MemModel.
- *
- * @param string $jsonString The string that contains the rdf model, encoded as a json-string.
- * @param MemModel $model A reference to the model, where to add the statements, usually an empty MemModel.
- */
- public function generateModelFromString($jsonString, $model) {
-
- $jsonModel = array();
- $jsonModel = json_decode($jsonString, true);
-
- // throws an excpetion if json model was corrupt
- if (!is_array($jsonModel)) {
- throw new Exception('error in json string');
- }
-
- foreach ($jsonModel as $subject=>$remain) {
- foreach ($remain as $predicate=>$object) {
- $s = (strpos($subject, '_') === 0) ? new BlankNode(substr($subject, 2)) : new Resource($subject);
- $p = new Resource($predicate);
-
- foreach ($object as $obj) {
- if ($obj['type'] === 'uri') {
- $o = new Resource($obj['value']);
- } else if ($obj['type'] === 'bnode') {
- $o = new BlankNode(substr($obj['value'], 2));
- } else {
- $dtype = (isset($obj['datatype'])) ? $obj['datatype'] : '';
- $lang = (isset($obj['lang'])) ? $obj['lang'] : '';
-
- $oVal = $obj['value'];
-
- $o = new Literal($oVal, $lang);
- $o->setDatatype($dtype);
- }
-
- $model->add(new Statement($s, $p, $o));
- }
- }
- }
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonSerializer.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonSerializer.php.svn-base
deleted file mode 100755
index 8e1c867e..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/JsonSerializer.php.svn-base
+++ /dev/null
@@ -1,163 +0,0 @@
-
- * @version $Id$
- */
-class JsonSerializer extends Object {
-
- /**
- * This method takes a MemModel object ad parameter and serializes all contained triples to rdf/json format.
- *
- * @see http://n2.talis.com/wiki/RDF_JSON_Specification#rdf.2Fjson
- * @param MemModel $model
- * @return string Returns a string containing the serialized model.
- */
- public function serialize(MemModel $model) {
-
- // create the root json object (root object)
- $jsonString = '{';
- $subjects = array();
-
- // sort triples by subject
- foreach ($model->triples as $triple) {
- $subjects[$triple->toStringSubject()][] = $triple;
- }
-
- // sort alphabetically
- ksort($subjects);
-
- // triples are sorted by subject now, each key is a subject uri, containing all triples with this subject uri
- $i = 0;
- foreach ($subjects as $predicatesArray) {
- $predicates = array();
-
- if ($i > 0) {
- $jsonString .= ',';
- }
- $i++;
-
- $subj = $predicatesArray[0]->getSubject();
-
- // add special _: sequence for blank node only
- if ($subj instanceof BlankNode) {
- $jsonString .= '"_:' . $this->_escapeValue($subj->getLabel()) . '":';
- } else {
- $jsonString .= '"' . $this->_escapeValue($subj->getLabel()) . '":';
- }
-
-
-
- // create a json object for each subject (subject object)
- $jsonString .= '{';
-
- // sort triples with current subject by predicate
- foreach ($predicatesArray as $triple) {
- $predicates[$triple->toStringPredicate()][] = $triple;
- }
-
- // sort alphabetically
- ksort($predicates);
-
- $j = 0;
- foreach ($predicates as $valueArray) {
-
- if ($j > 0) {
- $jsonString .= ',';
- }
- $j++;
-
- $jsonString .= '"' . $this->_escapeValue($valueArray[0]->getLabelPredicate()) . '":';
-
- // create a json array (value array)
- $jsonString .= '[';
-
- $k = 0;
- foreach ($valueArray as $triple) {
- if ($k > 0) {
- $jsonString .= ',';
- }
- $k++;
-
- // create json value object (value object)
- $jsonString .= '{';
-
- $obj = $triple->getObject();
-
- // add special _: sequence for blank nodes only
- if ($obj instanceof BlankNode) {
- $jsonString .= '"value":"_:' . $this->_escapeValue($obj->getLabel()) . '",';
- } else if ($obj instanceof Literal) {
- $jsonString .= '"value":"' . $this->_escapeValue($obj->getLabel()) . '",';
- } else {
- $jsonString .= '"value":"' . $this->_escapeValue($obj->getLabel()) . '",';
- }
-
- // add type of object
- if ($obj instanceof Literal) {
- $jsonString .= '"type":"literal"';
- } else if ($obj instanceof BlankNode) {
- $jsonString .= '"type":"bnode"';
- } else {
- $jsonString .= '"type":"uri"';
- }
-
- if ($obj instanceof Literal) {
- if ($obj->getLanguage() != '') {
- $jsonString .= ',"lang":"' . $this->_escapeValue($obj->getLanguage()) . '"';
- }
- if ($obj->getDatatype() != '') {
- $jsonString .= ',"datatype":"' . $this->_escapeValue($obj->getDatatype()) . '"';
- }
-
- }
-
- // close value object
- $jsonString .= '}';
- }
-
- // close the value array
- $jsonString .= ']';
- }
-
- // close the json object (for the subject) (subject object)
- $jsonString .= '}';
- }
-
- // close root json object (root object)
- $jsonString .= '}';
-
- return $jsonString;
- }
-
- /*
- * Escapes the following chars as specified at json.org:
- *
- * " -> \"
- * \ -> \\
- * / -> \/
- * \b -> \\b
- * \f -> \\f
- * \n -> \\n
- * \r -> \\r
- * \t -> \\t
- * \uXXXX -> \\uXXXX
- */
- protected function _escapeValue($value) {
-
-
- $value = str_replace("\\", '\\\\', $value);
- #$value = str_replace("/", '\/', $value);
- $value = str_replace("\n", '\\n', $value);
- $value = str_replace("\t", '\\t', $value);
- $value = str_replace("\r", '\\r', $value);
- $value = str_replace("\b", '\\b', $value);
- $value = str_replace("\f", '\\f', $value);
- $value = str_replace('"', '\"', $value);
-
- return $value;
- }
-}
-?>
diff --git a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/N3Parser.php.svn-base b/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/N3Parser.php.svn-base
deleted file mode 100755
index bbbfe2a5..00000000
--- a/ws2011/Semantic Web/Uebungen/1. Bonus Aufgabe/solution/rdfAPI/api/syntax/.svn/text-base/N3Parser.php.svn-base
+++ /dev/null
@@ -1,1137 +0,0 @@
-
- * Standard things, repeated triples ( ; and , ), blank nodes using [ ], self-reference ('<>')
- * @prefix mappings
- * = maps to owl#sameAs
- * a maps to rdf-syntax-ns#type
- * Literal datytype- and xmlLanguageTag support
- *
- * Un-supported N3 Features include:
- *
- * - Reification using { }
- * - . and ^ operators for tree traversal
- * - Any log operators, like log:forAll etc.
- *
- *
- * This parser is based on n3.py from Epp released 2nd March, 2002.
- * by Sean B. Palmer
- * ( http://infomesh.net/2002/eep/20020302-013802/n3.py )
- *
- * This parser is released under the GNU GPL license.
- * ( http://www.gnu.org/licenses/gpl.txt )
- *
- *
- *
- * @author Sean B. Palmer
- * @author Gunnar AA. Grimnes
- * @author Daniel Westphal
- * @version $Id$
- * @license GPL http://www.gnu.org/licenses/gpl.txt
- * @package syntax
- * @access public
- **/
-
-class N3Parser extends Object {
-
-
- /* ==================== Variables ==================== */
-
- var $Tokens;
- var $bNode;
- var $RDF_NS, $DAML_NS, $OWL_NS;
- var $debug;
- var $parseError;
- var $parsedNamespaces = array();
-
- /* ==================== Public Methods ==================== */
-
- /**
- * Constructor
- * @access public
- **/
- function N3Parser() {
- //Regular expressions:
- $Name = '[A-Za-z0-9_@\.]+[^\.,;\[\]\s\) ]*';
- $URI = '<[^> ]*>';
- $bNode = '_:'.$Name;
- $Univar = '\?'.$Name;
- $QName = '(?:[A-Za-z][A-Za-z0-9_@\.]*)?:'.$Name;
- $Literal = '(?:'
- . '"(\\\"|[^"])*"'
- . '|'
- . "'(\\\'|[^'])*'"
- . ')';
- # '"(?:\\"|[^"])*"'
- $Number = '[-+]?[0-9]+(\\.[0-9]+)?([eE][-+]?[0-9]+)?';
- $Boolean = '@(?:true|false)';
-// $Literal = '"[^"\\\\]*(?:\\.\\[^"\\]*)*"'; # '"(?:\\"|[^"])*"'
- $LangTag = '@[A-Za-z\-]*[^ \^\.\;\,]';
- $Datatype = '(\^\^)[^ ,\.;)]+';
- $Datatype_URI = '(\^\^)'.$URI;
- // $LLiteral = '"""[^"\\\\]*(?:(?:.|"(?!""))[^"\\\\]*)*"""';
- $LLiteral = '(?:'
- . '"""[^"\\\\]*(?:(?:\\\\.|"(?!""))[^"\\\\]*)*"""'
- . '|'
- . "'''[^'\\\\]*(?:(?:\\\\.|'(?!''))[^\"\\\\]*)*'''"
- . ')';
- // '"""[^"\\]*(?:(?:\\.|"(?!""))[^"\\]*)*"""'
- $Comment = '#.*$';
- $Prefix = '(?:[A-Za-z][A-Za-z0-9_]*)?:';
- $PrefixDecl = '@prefix';
- $WS = '[ \t]';
- $this->RDF_NS = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'; # for 'a' keyword
- $this->DAML_NS = 'http://www.daml.org/2001/03/daml+oil#'; # for '=' keyword
- $this->OWL_NS = 'http://www.w3.org/2002/07/owl#';
-
- // $t = array( $LLiteral, $URI); //, $Literal, $PrefixDecl, $QName, $bNode, $Prefix,
- // $Univar, 'a', '{', '}', '\(', '\)', '\[', '\]', ',', ';', '\.', $WS, $Comment);
- $t = array(
- $Datatype_URI, $Datatype, $LLiteral, $URI, $Literal,
- $PrefixDecl, $QName, $Number, $Boolean, $bNode,
- $Prefix, $Univar, 'a','=',
- '{', '}', '\(', '\)', '\[', '\]', ',', ';', '\.',
- $WS, $Comment,$LangTag
- );
- $this->Tokens = "/(".join($t,"|").")/m";
-
- $this->bNode = 0;
- $this->debug = 0;
- $this->bNodeMap = array();
- $this->FixBnodes = FIX_BLANKNODES;
- $this->parseError =false;
- }
-
-
- /**
- * Sets, if BlankNode labels should be replaced by the generic label from the constants.php file
- * default is "false" -> the used label in n3 is parsed to the model
- * @param boolean
- * @access public
- **/
- function setFixBnodes($set) {
-
- if (($set===true) OR ($set===false)) $this->FixBnodes = $set;
- }
-
-
- /**
- * This parses a N3 string and prints out the triples
- * @param string $s
- * @access public
- **/
- function parse($s) {
- // """Get a string, tokenize, create list, convert to Eep store."""
- $stat=$this->n3tolist($s);
- foreach ( $stat as $t) {
-
- if (count($t)>3) {
- $object=$t[2];
-
- for ($i = 3; $i < 5; $i++){
- if ($t[$i][0]=='@')$object.=$t[$i];
- if (substr($t[$i],0,2)=='^^')$object.=$t[$i];
- };
- } else {$object=$t[2];};
-
- print '('.$t[0].', '.$t[1].', '.$object.")\n";
-
- }
- // return [[eep.Article(t[0]), eep.Article(t[1]), eep.Article(t[2])]
- // for t in n3tolist(s)]
- }
-
-
- /**
- * This parses a N3 string and calls func($subject, $predicate, $object) with each triple
- * @param string $s
- * @param string $func
- * @access public
- **/
- function uparse($s,$func) {
- // """Get a string, tokenize, create list, convert to Eep store."""
- $stat=$this->n3tolist($s);
- foreach ( $stat as $t) {
-
- if (count($t)>3) {
- $object=$t[2];
-
- for ($i = 3; $i < 5; $i++){
- if ($t[$i][0]=='@')$object.=$t[$i];
- if (substr($t[$i],0,2)=='^^')$object.=$t[$i];
- };
- } else {$object=$t[2];};
- // print "(".$t[0].", ".$t[1].", ".$t[2].")";
-
- $func($t[0],$t[1],$object);
- }
- // return [[eep.Article(t[0]), eep.Article(t[1]), eep.Article(t[2])]
- // for t in n3tolist(s)]
- }
-
-
- /**
- * This parses a N3 string and returns a memmodel
- * @param string $s
- * @access public
- * @return object Model
- **/
-
- function parse2model($s,$model = false) {
- if($model == false){
- $m=new MemModel();
- }else{
- $m=$model;
- }
- // """Get a string, tokenize, create list, convert to Eep store."""
- $stat=$this->n3tolist($s);
-
- foreach ( $stat as $t) {
- $s=$this->toRDFNode($t[0],$t);
- $p=$this->toRDFNode($t[1],$t);
- $o=$this->toRDFNode($t[2],$t);
-
- $new_statement= new Statement($s,$p,$o);
-
- $m->add($new_statement);
- // print "(".$t[0].", ".$t[1].", ".$t[2].")";
- }
- // return [[eep.Article(t[0]), eep.Article(t[1]), eep.Article(t[2])]
- // for t in n3tolist(s)]
- $m->addParsedNamespaces($this->parsedNamespaces);
- return $m;
- }
-
-/**
- * Generate a new MemModel from an URI or file.
- *
- * @access public
- * @param $path
- * @throws PhpError
- * @return object MemModel
- */
- function & generateModel($path,$dummy=false,$model=false) {
-
- $handle = fopen($path,'r') or die("N3 Parser: Could not open File: '$path' - Stopped parsing.");
- $done=false;
- $input="";
- while(!$done)
- {
- $input .= fread( $handle, 512 );
- $done = feof($handle);
-
- };
-
-
- fclose($handle);
-
- $m = $this->parse2model($input,$model);
- return $m;
- }
-
-
- /* ==================== Private Methods from here ==================== */
-
- // General list processing functions
-
-/**
- * Returns FALSE if argument is a whitespace character
- * @access private
- * @param string $s
- **/
- function isWS($s) {
- return !preg_match('/^(#.*|\s*)$/', $s);
- }
-
-
-
- /**
- * Returns true if the string is not a comment
- * @access private
- * @param string $s
- * @returns boolean
- **/
- function notComment($s) {
- if ($s=="") return false;
- $N3Comment = '^[ \t]*\#';
-
- if (ereg($N3Comment,$s)) return false;
- else return true;
- }
-
- /**
- * Removes all whitespace tokens from list
- * @access private
- * @param array $list
- **/
- function filterWs($list) {
- // var_dump($list);
- // """Filter whitespace from a list."""
-
- return array_filter($list, array($this,"isWS"));
- }
-
-/**
-* converts a string to its unicode NFC form (e.g. \uHHHH or \UHHHHHHHH).
-*
-* @param String $str
-* @return String
-* @access private
-*
-*/
-function str2unicode_nfc($str=""){
- $result="";
- /* try to detect encoding */
- $tmp=str_replace("?", "", $str);
- if(strpos(utf8_decode($tmp), "?")===false){
- $str=utf8_decode($str);
- }
- for($i=0,$i_max=strlen($str);$i<$i_max;$i++){
- $nr=0;/* unicode dec nr */
- /* char */
- $char=$str[$i];
- /* utf8 binary */
- $utf8_char=utf8_encode($char);
- $bytes=strlen($utf8_char);
- if($bytes==1){
- /* 0####### (0-127) */
- $nr=ord($utf8_char);
- }
- elseif($bytes==2){
- /* 110##### 10###### = 192+x 128+x */
- $nr=((ord($utf8_char[0])-192)*64) + (ord($utf8_char[1])-128);
- }
- elseif($bytes==3){
- /* 1110#### 10###### 10###### = 224+x 128+x 128+x */
- $nr=((ord($utf8_char[0])-224)*4096) + ((ord($utf8_char[1])-128)*64) + (ord($utf8_char[2])-128);
- }
- elseif($bytes==4){
- /* 1111#### 10###### 10###### 10###### = 240+x 128+x 128+x 128+x */
- $nr=((ord($utf8_char[0])-240)*262144) + ((ord($utf8_char[1])-128)*4096) + ((ord($utf8_char[2])-128)*64) + (ord($utf8_char[3])-128);
- }
- /* result (see http://www.w3.org/TR/rdf-testcases/#ntrip_strings) */
- if($nr<9){/* #x0-#x8 (0-8) */
- $result.="\\u".sprintf("%04X",$nr);
- }
- elseif($nr==9){/* #x9 (9) */
- $result.='\t';
- }
- elseif($nr==10){/* #xA (10) */
- $result.='\n';
- }
- elseif($nr<13){/* #xB-#xC (11-12) */
- $result.="\\u".sprintf("%04X",$nr);
- }
- elseif($nr==13){/* #xD (13) */
- $result.='\t';
- }
- elseif($nr<32){/* #xE-#x1F (14-31) */
- $result.="\\u".sprintf("%04X",$nr);
- }
- elseif($nr<34){/* #x20-#x21 (32-33) */
- $result.=$char;
- }
- elseif($nr==34){/* #x22 (34) */
- $result.='\"';
- }
- elseif($nr<92){/* #x23-#x5B (35-91) */
- $result.=$char;
- }
- elseif($nr==92){/* #x5C (92) */
- $result.='\\';
- }
- elseif($nr<127){/* #x5D-#x7E (93-126) */
- $result.=$char;
- }
- elseif($nr<65536){/* #x7F-#xFFFF (128-65535) */
- $result.="\\u".sprintf("%04X",$nr);
- }
- elseif($nr<1114112){/* #x10000-#x10FFFF (65536-1114111) */
- $result.="\\U".sprintf("%08X",$nr);
- }
- else{
- /* other chars are not defined => ignore */
- }
- }
- return $result;
-}
-
-
-
- /**
- * Gets a slice of an array.
- * Returns the wanted slice, as well as the remainder of the array.
- * e.g. getSpan(['p', 'q', 'r'], 1, 2) gives (['q'], ['p', 'r'])
- * @return array
- * @access private
- * @param array $list
- * @param integer $start
- * @param integer $end
- **/
- function getSpan($list, $start, $end) {
-
- $pre=array_slice($list, 0, $start);
- $post=array_slice($list, $end);
-
- return array(array_slice($list, $start,$end-$start),$this->array_concat($pre,$post));
- }
-
-
- /**
- * Concatenates two arrays
- * @param array $a
- * @param array $b
- * @returns array
- * @access private
- **/
- function array_concat($a, $b) {
- array_splice($a,count($a),0,$b);
- return $a;
- }
-
- /**
- * Returns an array with all indexes where item appears in list
- * @param array $list
- * @param string $item
- * @returns array
- * @access private
- **/
- function posns($list, $item) {
- $res=array();
- $i=0;
- foreach ( $list as $k=>$v) {
- if ($v === $item ) $res[]=$i;
- $i++;
- }
- $res[]=$i;
- return $res;
- }
-
-
- /* More N3 specific functions */
-
- /**
- * Returns a list of tokens
- * @param string $s
- * @returns array
- * @access private
- **/
- function toke($s) {
-
- // print "$s\n";
- // """Notation3 tokenizer. Takes in a string, returns a raw token list."""
- if (strlen($s) == 0) die('Document has no content!');
-
- $s=str_replace("\r\n","\n",$s);
- $s=str_replace("\r","\n",$s);
-
-
- //$lines=explode("\n",$s);
-
- //$reallines=array_filter($lines, array($this, "notComment"));
- // print "LINES: ".join($reallines, " ")." :LINES\n";
- //array_walk($reallines, array($this, "trimLine"));
- //$res=array();
-
- // foreach ($reallines as $l) {
- //preg_match_all($this->Tokens, $l, $newres);
- //$res=$this->array_concat($res,$newres[0]);
- //}
-
- $res=array();
- preg_match_all($this->Tokens, $s, $newres);
- $res=$this->array_concat($res, array_map('trim', $newres[0]));
-//var_dump($newres[0]);
- return $res;
- }
-
- /**
- * Returns a list with the elements between start and end as one quoted string
- * e.g. listify(["a","b","c","d"],1,2) => ["a","b c", "d"]
- * @param array $list
- * @param integer $start
- * @param integer $end
- * @returns array
- * @access private
- **/
- function listify($list, $start, $end) {
-
- //Re-form a list, merge elements start->end into one quoted element
- //Start and end are offsets...
-
- $l=$end-$start;
-
- $s=array_slice($list, 0, $start);
- $m=array_slice($list, $start,$l);
- $e=array_slice($list, $end);
-
- // array_push($s,"\"".join($m," ")."\"");
- array_push($s,$m);
-
- return $this->array_concat($s,$e);
- }
-
- /**
- * Returns an array with prefixes=>namespace mappings
- * @param array $list
- * @access private
- * @returns array
- **/
- function getPrefixes($list) {
-
- $prefixes=array();
- $ns=1;
- $name=2;
- foreach ($list as $l) {
- if ($l=='@prefix') {
- // while '@prefix' in list {
-
- $pos=current($list);
- //pos = list.index('@prefix')
- $r = $this->getSpan($list, $pos, ($pos+4)); # processes the prefix tokens
- $binding=$r[0];
- $list=$r[1];
- $prefixes[$binding[$ns]] = substr($binding[$name],1,-1);
- $this->parsedNamespaces[substr($binding[$name],1,-1)] = substr($binding[$ns],0,-1);
- }
- }
-
- if (count($prefixes)<1) $list= array_slice($list,0);
-
- return array($prefixes, $list);
- }
-
- /**
- * Callback function for replacing "a" elements with the right RDF uri.
- * @param string $l
- * @access private
- **/
- function replace_a_type(&$l,$p) {
- if ($l=='a') $l='<'.$this->RDF_NS.'type>';
- }
-
- /**
- * Callback function for replacing "=" elements with the right DAML+OIL uri.
- * @param string $l
- * @access private
- **/
- function replace_equal(&$l,$p) {
- if ($l=='=') $l='<'.$this->OWL_NS.'sameAs>';
- }
-
- /**
- * Callback function for replacing "this" elements with the right RDF uri.
- * @param string $l
- * @access private
- **/
- function replace_this($l,$p) {
- if ($l=='this') $l='';
- }
-
- /**
- * Applies stuff :)
- * Expands namespace prefixes etc.
- * @param array $prefixes
- * @param array $list
- * @returns $list
- * @access private
- **/
- function applyStuff($prefixes, $list)
- {
- array_walk($list, array($this, 'replace_a_type'));
- array_walk($list, array($this, 'replace_equal'));
- array_walk($list, array($this, 'replace_this'));
-
- for ($i = 0; $i < count($list); $i++) {
-
- if ($list[$i]=='<>') {
- if (!isset($path)) {
- if (!isset($_SERVER['SERVER_ADDR'])) {
- $_SERVER['SERVER_ADDR'] = 'localhost';
- }
- if (!isset($_SERVER['REQUEST_URI'])) {
- $_SERVER['REQUEST_URI'] = '/rdfapi-php';
- }
- $list[$i] = '';
- } else {
- $list[$i] = '<'.$path.'>';
- };
- };
-
-
- if (preg_match('/^[-+]?[0-9]+$/', $list[$i])) {
- //integer
- $list[$i] = intval($list[$i]);
- } else if (is_numeric($list[$i])) {
- //float or decimal
- // After conversion we cannot distinguish between both
- $list[$i] = floatval($list[$i]);
- } else if ((!strstr('<_"\'?.;,{}[]()@', $list[$i]{0}))
- && (substr($list[$i],0,3) != '^^<')
- ) {
- //prefix or unknown
- $_r = explode(':', $list[$i]);
- $ns = $_r[0] . ':';
- $name = $_r[1];
-
- if (isset($prefixes[$ns])) {
- $list[$i] = '<'.$prefixes[$ns].$name.'>';
- } else if (isset($prefixes[substr($ns, 2)])) {
- $list[$i] = '^^' . $prefixes[substr($ns, 2)] . $name . '';
- } else {
- //die('Prefix not declared:'.$ns);
- $this->parseError = true;
- trigger_error('Prefix not declared: '.$ns, E_USER_ERROR);
- break;
- }
-
- } else {
- if ($list[$i]{0} == '"') {
- $bLiteral = true;
- $chBase = '"';
- } else if ($list[$i]{0} == '\'') {
- $bLiteral = true;
- $chBase = '\'';
- } else {
- $bLiteral = false;
- }
- if ($bLiteral) {
- $tripleBase = $chBase . $chBase . $chBase;
- // Congratulations - it's a literal!
- if (substr($list[$i], 0, 3) == $tripleBase) {
- if (substr($list[$i],-3,3) == $tripleBase) {
- // A big literal...
- $lit = substr($list[$i],3,-3);
- // print "++$lit++";
- $lit=str_replace('\n', '\\n',$lit);
-
- //$lit=ereg_replace("[^\\]" . $chBase, "\\" . $chBase, $lit);
- $lit = stripslashes($lit);
-
- $list[$i] = $chBase . $lit . $chBase;
- } else {
- die ('Incorrect string formatting: '.substr($list[$i],-3,3));
- }
- } else {
- if (strstr($list[$i],"\n")) {
- die('Newline in literal: ' . $list[$i]);
- }
- $list[$i] = stripslashes($list[$i]);
- }
- }
- }
-
- if (substr($list[$i],0,2)=='^^') {
- if ($list[$i][2]!='<') {
- $list[$i] = '^^<' . substr($list[$i], 2) . '>';
- }
- };
-
- }//foreach list item
-
- return $list;
- }//function applyStuff($prefixes, $list)
-
-
-
- /**
- * Returns an array of triples extracted from the list of n3 tokens
- * @param array $list
- * @returns array
- * @access private
- **/
- function getStatements($list) {
-
-
- $statements = array();
-
- while (in_array('.', $list)) {
- // for($i=0;$igetSpan($list, 0, $pos+1);
-
- $statement=$r[0];
- $list = $r[1];
-
- array_pop($statement);
- $statements[]=$statement;
- }
-
- return $statements;
- }
-
- /**
- * Gets a list of triples with same subject
- * e.g. :Gunnar :firstname "Gunnar" ; :lastname "Grimnes.
- * @param array $list
- * @returns array
- * @acces private
- **/
- function getPovs($list) {
- $povs = array();
- while (in_array(';', $list)) {
- $r=$this->posns($list,';');
- $pos=array_slice($r,0,2);
- $r = $this->getSpan($list, $pos[0], $pos[1]);
- $pov=$r[0];
- $list=$r[1];
-
- // skip lone semicolons, e.g. " ; ."
- if (count($pov) == 1) continue;
-
- $povs[]=array_slice($pov,1);
- }
-
- return array($list, $povs);
- }
-
- /**
- * Gets a list of triples with same predicate
- * e.g. :Gunnar :likes "Cheese", "Wine".
- * @access private
- * @param array $list
- * @returns array
- **/
- function getObjs($list) {
-
-
- $objs = array();
- while (in_array(",",$list)) {
- $pos=array_search(",",$list);
- // for($i=0;$igetSpan($list, $pos, ($pos+$get_array_fields));
-
- $obj=$r[0];
- if (!isset($obj[2])) $obj[2]=' ';
- if (!isset($obj[3])) $obj[3]=' ';
-
- $list=$r[1];
-
-
- $objs[]=$obj;
-
-
- }
-
- return array($list, $objs);
- }
-
- /**
- * Does the real work, returns a list of subject, predicate, object triples.
- * @param array $list
- * @returns array
- * @access private
- **/
- function statementize($list) {
-
- if (count($list) == 1 && preg_match("/_".BNODE_PREFIX."[0-9]+_/",$list[0])) {
- if ($this->debug) print "Ignored bNode exists statement. $list\n";
- return array();
- }
-
-
-
- if (count($list) == 3) return array($list);
- if (count($list) < 3) {
- throw new Exception(
- 'N3 statement too short,'
- . ' only ' . count($list) . ' elements instead of 3:' . "\n"
- . implode("\n", $list)
- );
- }
-
- //Get all ;
- $r=$this->getPovs($list);
- $spo=$r[0];
- $po=$r[1];
- $all=array();
-
-
-
- // (spo, po), all = getPovs(list), []
- $subject = $spo[0];
- foreach ($po as $pop) {
- // for pop in po {
- $r=$this->getObjs($pop);
-
- $myPo=$r[0];
- $obj=$r[1];
- //myPo, obj = getObjs(pop)
-
- if (!isset($myPo[2])) $myPo[2]=' ';
- if (!isset($myPo[3])) $myPo[3]=' ';
-
-
- $predicate = $myPo[0];
- $all[]=array($subject,$predicate,$myPo[1],$myPo[2],$myPo[3]);
- // all.append([subject, predicate, myPo[1]])
-
-
-
- foreach ($obj as $o) $all[]=array($subject,$predicate, $o[1],$o[2],$o[3]);
- // for x in obj: all.append([subject, predicate, x])
-
- }
-
-
-
- $r = $this->getObjs($spo);
- $spo=$r[0];
-
- $objs=$r[1];
-
- //spo, objs = getObjs(spo)
- $subject=$spo[0];
- $predicate=$spo[1];
-
-
- if(!isset($spo[3])) $spo[3]=' ';
- if(!isset($spo[4])) $spo[4]=' ';
-
- $all[]=array($subject, $predicate, $spo[2],$spo[3],$spo[4]);
-
- foreach ($objs as $obj) $all[]=array($subject, $predicate, $obj[1],$obj[2],$obj[3]);
-
- return $all;
- }
-
- /**
- * Makes lists of elements in list into a seperate array element.
- * e.g. doLists(["a","b","[","c","]","d"], "[","]")=> ["a","b", ["c"], "d"]
- * @param array $list
- * @param string $schar
- * @param string $echar
- * @returns array
- * @access private
- **/
- function doLists($list, $schar, $echar) {
-
- while (in_array($schar, $list)) {
- // while schar in list {
- $ndict = array();
- $nestingLevel = 0;
- $biggest = 0;
- for ($i = 0; $i < count($list); $i++) {
- if ($list[$i] == $schar) {
- $nestingLevel += 1;
- if (!in_array($nestingLevel, array_keys($ndict))) {
- $ndict[$nestingLevel] = array(array($i));
- } else {
- $ndict[$nestingLevel][]=array($i);
- }
- }
- if ($list[$i] == $echar) {
- if (!in_array($nestingLevel, array_keys($ndict))) {
- $ndict[$nestingLevel]=array(array($i));
- } else {
- $ndict[$nestingLevel][count($ndict[$nestingLevel])-1][]=$i;
- $nestingLevel-= 1;
-# elif type(list[i]) == type([]) {
-# list[i] = doLists(list[i], schar, echar)
- }
- }
- }
- foreach (array_keys($ndict) as $key) {
- if ($key > $biggest) $biggest = $key;
- }
-
- $tol = $ndict[$biggest][0];
- $list = $this->listify($list, $tol[0], ($tol[1]+1));
- }
- return $list;
- }
-
- /**
- * Apply doLists for all different types of list.
- * @param array
- * @returns array
- * @access private
- **/
- function listStuff($list) {
-# y, z = zip(['[', ']'], ['{', '}'], ['(', ')'])
-# return map(doLists, [list, list, list], y, z).pop()
- $list = $this->doLists($list, '[', ']');
- $list = $this->doLists($list, '{', '}');
- return $this->doLists($list, '(', ')');
- }
-
- /**
- * Generates a new node id.
- * @access private
- * @returns string
- **/
- function bnodeID() {
-
- $this->bNode++;
- return "_".BNODE_PREFIX.$this->bNode."_";
- }
-
- /**
- * This makes bNodes out of variables like _:a etc.
- * @access private
- * @param array $list
- * @returns array
- **/
- function fixAnon($list) {
-// $map=array();
- for($i=0;$i