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#3 docu system

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This commit is contained in:
Ulf Gebhardt 2016-06-11 19:55:16 +02:00
parent 5770a31ef8
commit 600cf1de0a
2 changed files with 111 additions and 15 deletions
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70
system/HEADER.php
View File

@ -15,6 +15,12 @@ namespace SYSTEM;
* HEADER Class provided by System Send HTML Headers
*/
class HEADER {
/**
* Check if Header was already sent
* Writes Warning into Database on failure if Database logging is enabled.
*
* @return bool Returns true or false
*/
private static function checkHeader(){
$file = null;
$line = null;
@ -24,41 +30,91 @@ class HEADER {
return true;
}
/**
* Check if a given Datatype has a handler within this class.
* Not Case sensitive.
*
* @param string $datatype Datatype to be checked eg. 'jpg'
* @return bool Returns true or false
*/
public static function available($datatype){
return \method_exists('\SYSTEM\HEADER', strtoupper($datatype));}
/**
* Send JSON Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function JSON(){
if(self::checkHeader()){
header('Access-Control-Allow-Origin: *');//allow cross domain calls
header('content-type: application/json');}}
/**
* Send PNG Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function PNG(){
if(self::checkHeader()){
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + (60 * 60))); // 1 hour
header('content-type:image/png;');}}
/**
* Send JPG Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function JPG(){
if(self::checkHeader()){
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + (60 * 60))); // 1 hour
header('content-type:image/jpeg;');}}
/**
* Send JPEG Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function JPEG(){
if(self::checkHeader()){
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + (60 * 60))); // 1 hour
header('content-type:image/jpeg;');}}
header('content-type:image/jpeg;');}}
/**
* Send GIF Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function GIF(){
if(self::checkHeader()){
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + (60 * 60))); // 1 hour
header('content-type:image/gif;');}}
header('content-type:image/gif;');}}
/**
* Send JS Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function JS(){
if(self::checkHeader()){
header('content-type:application/javascript;');}}
/**
* Send CSS Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function CSS(){
if(self::checkHeader()){
header('content-type:text/css;');}}
/**
* Send LESS Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function LESS(){
if(self::checkHeader()){
header('content-type:text/css;');}}
/**
* Send FILE(download) Headers, if Header was not sent yet
*
* @return null Returns null
*/
public static function FILE($filename){
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"".$filename."\"");}
public static function available($datatype){
$datatype = strtoupper($datatype);
return \method_exists('\SYSTEM\HEADER', $datatype);}
}

56
system/autoload.php
View File

@ -22,10 +22,22 @@ class autoload {
/** string Registered Func Format array(namespace, func) */
private static $func = array();
/**
* Get the Classname of a File by removing its extension and containing folders.
*
* @param string $file Filepath to be reduced to classname
* @return string Returns classname
*/
private static function getClassFromFile($file){
$path_info = \pathinfo($file);
return $path_info['filename'];}
/**
* Seperates Class and Namespace of a combined string.
*
* @param string $class Class including possible Namespaces
* @return array Returns array(class,namespace).
*/
private static function getClassNamespaceFromClass($class){
$path_info = \pathinfo($class);
$lastslash = \strrpos($class, 92);
@ -38,43 +50,71 @@ class autoload {
\substr($class, 0, $lastslash));
}
/**
* The autoload Feature. Searches within all registered file, folders and
* functions if a matching class can be found, respecting namespaces in the
* process.
*
* @param string $class Class to be autoloaded
* @param string $namespace Namespace of the Request
* @return bool Returns true or false.
*/
private static function autoload_($class, $namespace = ''){
foreach(self::$files as $file){
if(strtolower($file[0]) == strtolower($class) &&
strtolower($file[1]) == strtolower($namespace)){
require_once $file[2];
return true;}
}
}
foreach(self::$folders as $folder){
if(strtolower($folder[0]) == strtolower($namespace) &&
is_file($folder[1].'/'.$class.'.php')){
require_once $folder[1].'/'.$class.'.php';
return true;}
}
foreach(self::$func as $func){
if(strtolower($func[0]) == strtolower($namespace) && call_user_func($func[1],$class)){
return true;}
}
return true;}}
return false;
}
/**
* Registers a file to the autoload feature
* The file has to be named class.php
*
* @param string $file Filepath to be autoloaded from
* @param string $namespace Namespace of the File
* @return null Returns null.
*/
public static function registerFile($file, $namespace = ''){
if(!is_file($file)){
throw new \SYSTEM\LOG\ERROR('File not found on registerFile for Autoload: '.$file);}
self::$files[] = array(self::getClassFromFile($file), $namespace, $file);
}
/**
* Registers a folder to the autoload feature
* All Classes within that Folder can be loaded if
* the file is named: class.php
*
* @param string $folder Folderpath to be autoloaded from
* @param string $namespace Namespace of the Folder
* @return null Returns null.
*/
public static function registerFolder($folder, $namespace = ''){
if(!is_dir($folder)){
throw new \SYSTEM\LOG\ERROR('Folder not found on registerFolder for Autoload: '.$folder);}
self::$folders[] = array($namespace, $folder);
}
/**
* Registers a function to the autoload feature
* @todo Does this work? Is it useful?
*
* @param string $func Function to be "autoloaded"
* @param string $namespace Namespace of the Function
* @return null Returns null.
*/
public static function registerFunc($func, $namespace = ''){
/*if(!_exists($func)){
throw new \SYSTEM\LOG\ERROR('Function not found on registerFunc for Autoload: '.$func);}*/