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79 lines
1.4 KiB
79 lines
1.4 KiB
2 years ago
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<?php
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/**
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* Autoloader
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*
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* @package Less
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* @subpackage autoload
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*/
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class Less_Autoloader {
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/**
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* Registered flag
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*
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* @var boolean
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*/
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protected static $registered = false;
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/**
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* Library directory
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*
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* @var string
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*/
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protected static $libDir;
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/**
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* Register the autoloader in the spl autoloader
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*
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* @return void
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* @throws Exception If there was an error in registration
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*/
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public static function register(){
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if( self::$registered ){
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return;
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}
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self::$libDir = dirname(__FILE__);
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if(false === spl_autoload_register(array('Less_Autoloader', 'loadClass'))){
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throw new Exception('Unable to register Less_Autoloader::loadClass as an autoloading method.');
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}
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self::$registered = true;
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}
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/**
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* Unregisters the autoloader
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*
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* @return void
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*/
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public static function unregister(){
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spl_autoload_unregister(array('Less_Autoloader', 'loadClass'));
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self::$registered = false;
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}
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/**
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* Loads the class
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*
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* @param string $className The class to load
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*/
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public static function loadClass($className){
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// handle only package classes
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if(strpos($className, 'Less_') !== 0){
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return;
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}
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$className = substr($className,5);
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$fileName = self::$libDir . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
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if(file_exists($fileName)){
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require $fileName;
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return true;
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}else{
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throw new Exception('file not loadable '.$fileName);
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}
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}
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}
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