system/system/autoload.php

104 lines
3.9 KiB
PHP

<?php
namespace SYSTEM;
class autoload {
private static $files = array(); // array(class, namespace, file)
private static $folders = array(); // array(namespace, folder)
private static $func = array(); // array(namespace, func)
private static function getClassFromFile($file){
$path_info = \pathinfo($file);
return $path_info['filename'];}
private static function getClassNamespaceFromClass($class){
$path_info = \pathinfo($class);
$lastslash = \strrpos($class, 92);
//No Namespace found
if(!$lastslash){
return array($class, '');}
//Namespace found
return array( \substr($class, $lastslash +1),
\substr($class, 0, $lastslash));
}
private static function autoload_($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],$class)){
return true;}
}
return false;
}
public static function registerFile($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, $file);
}
public static function registerFolder($folder, $namespace = ''){
if(!is_dir($folder)){
throw new \SYSTEM\LOG\ERROR('Folder not found on registerFolder for Autoload: '.$folder);}
self::$folders[] = array($namespace, $folder);
}
public static function registerFunc($func, $namespace = ''){
/*if(!_exists($func)){
throw new \SYSTEM\LOG\ERROR('Function not found on registerFunc for Autoload: '.$func);}*/
self::$func[] = array($namespace, $func);
}
public static function register_autoload(){
spl_autoload_register('\SYSTEM\autoload::autoload');}
public static function autoload($class){
$classns = self::getClassNamespaceFromClass($class);
if(!self::autoload_($classns[0],$classns[1]) || (!class_exists($class) && !interface_exists($class))){
throw new \SYSTEM\LOG\ERROR("Class not found: ".$class);}
return true;
}
private static function file_extension($filename){
$path_info = pathinfo($filename);
return array_key_exists('extension', $path_info) ? strtolower($path_info['extension']) : NULL;
}
//for docu we need all classes actually declared
public static function autoload_all(){
foreach(self::$files as $file){
require_once $file[2];}
foreach(self::$folders as $folder){
if ($handle = opendir($folder[1])) {
while (false !== ($file = readdir($handle))) {
if ( $file != "." && $file != ".." &&
self::file_extension($file) == 'php' &&
!class_exists($folder[0].'\\'.substr($file,0,count($file)-5),false)) {
require_once $folder[1].'/'.$file;
}
}
}
closedir($handle);
}
}
}