AutoLoader.php

<?php

define('ROOT', $_SERVER['DOCUMENT_ROOT']);

class AutoLoader {
	
	private static $possible = array();
	private static $events = array();
	
	public static function load($class){
		if(count(self::$events)){
			foreach(self::$events as $bind => $event){
				if(strpos($class, $bind) == 0){
					$event();
				}
			}
		}

		$pos = strripos($class, '_');

		if($pos){
			$prefix = str_replace('_', '/', substr($class, 0, $pos+1));
			$suffix = substr($class, $pos+1);
		}

		$namespaceMarker = strripos($class, '\\');

		foreach (self::$possible as $path) {
			if($pos){
				$outpath = sprintf($path, $prefix.$class);
				if(file_exists($outpath)) include_once($outpath);

				$outpath = sprintf($path, $prefix.$suffix);
				if(file_exists($outpath)) include_once($outpath);
			}

			$pathNeo = sprintf($path, str_replace('_', '/', $class));

			$pathNamespaced = sprintf($path, str_replace(chr(92), '/', $class));

			$path = sprintf($path, $class);

			if(file_exists($path)) include_once($path);

			if(file_exists($pathNeo)) include_once($pathNeo);

			if($namespaceMarker && file_exists($pathNamespaced)) include_once($pathNamespaced);

		}
	}
	
	public static function register($path){
		$path = str_replace('{ROOT}', ROOT, $path);
		$path = str_replace('/', DIRECTORY_SEPARATOR, $path);
		self::$possible[] = $path;
	}

	public static function registerEvent($bind, $event){
		if($bind && is_callable($event)){
			self::$events[$bind] = $event;
		}
	}
	
}

AutoLoader::register('{ROOT}/core/%s.php');
AutoLoader::register('{ROOT}/core/models/%s.php');
AutoLoader::register('{ROOT}/core/components/%s.php');
AutoLoader::register('{ROOT}/core/controllers/%s.php');
AutoLoader::register('{ROOT}/core/lib/%s.php');

AutoLoader::registerEvent('Swift', function(){
	include_once ROOT . '/core/lib/SwiftInit.php';
});

spl_autoload_register('AutoLoader::load');

?>