PEIP_Autoload.php

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<?php
require_once(__DIR__.'/PEIP_Simple_Autoload.php');

/*
 * This file is part of the PEIP package.
 * (c) 2010 Timo Michna <timomichna/yahoo.de>
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

class PEIP_Autoload extends PEIP_Simple_Autoload {
        
        protected function __construct(){
                $this->init();
                require_once(__DIR__.'/PEIP_Autoload_Paths.php');
                $this->setClassPaths(PEIP_Autoload_Paths::$paths);
        }
        
        protected static function doGetInstance(){
                return self::$instance = new PEIP_Autoload();   
        }               

        public static function make(){
                $baseDir = str_replace(DIRECTORY_SEPARATOR, '/', realpath(dirname(__FILE__).DIRECTORY_SEPARATOR.'..'));
                $iterator = new RecursiveDirectoryIterator($baseDir);
                $paths = self::findPaths($baseDir, $iterator);
                //print_r($paths);
                $pathsFile = __DIR__.'/PEIP_Autoload_Paths.php';
                $content = file_get_contents($pathsFile);
                echo $content = preg_replace('/public static \$paths = array *\(.*?\);/s', sprintf("public static \$paths = %s;", var_export($paths, true)), $content);
                file_put_contents($pathsFile, $content);
        }

        protected static function findPaths($baseDir, RecursiveDirectoryIterator $iterator, array $paths = array()){
                $iterator->rewind();
                while($iterator->valid()){
                        if($iterator->isDir()){
                                $paths = self::findPaths($baseDir, $iterator->getChildren(), $paths);
                        }else{
                                $class = str_replace('.php', '', $iterator->getFilename());
                                $paths[$class] = str_replace($baseDir, '', $iterator->getPathName());                                           
                        }
                        $iterator->next();
                }
                return $paths;
        }
        

}

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