Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\ClassLoader;
Chris@0: 
Chris@14: @trigger_error('The '.__NAMESPACE__.'\ClassMapGenerator class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
Chris@14: 
Chris@0: /**
Chris@0:  * ClassMapGenerator.
Chris@0:  *
Chris@0:  * @author Gyula Sallai <salla016@gmail.com>
Chris@14:  *
Chris@14:  * @deprecated since version 3.3, to be removed in 4.0.
Chris@0:  */
Chris@0: class ClassMapGenerator
Chris@0: {
Chris@0:     /**
Chris@0:      * Generate a class map file.
Chris@0:      *
Chris@0:      * @param array|string $dirs Directories or a single path to search in
Chris@0:      * @param string       $file The name of the class map file
Chris@0:      */
Chris@0:     public static function dump($dirs, $file)
Chris@0:     {
Chris@0:         $dirs = (array) $dirs;
Chris@17:         $maps = [];
Chris@0: 
Chris@0:         foreach ($dirs as $dir) {
Chris@0:             $maps = array_merge($maps, static::createMap($dir));
Chris@0:         }
Chris@0: 
Chris@0:         file_put_contents($file, sprintf('<?php return %s;', var_export($maps, true)));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Iterate over all files in the given directory searching for classes.
Chris@0:      *
Chris@0:      * @param \Iterator|string $dir The directory to search in or an iterator
Chris@0:      *
Chris@0:      * @return array A class map array
Chris@0:      */
Chris@0:     public static function createMap($dir)
Chris@0:     {
Chris@17:         if (\is_string($dir)) {
Chris@0:             $dir = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
Chris@0:         }
Chris@0: 
Chris@17:         $map = [];
Chris@0: 
Chris@0:         foreach ($dir as $file) {
Chris@0:             if (!$file->isFile()) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             $path = $file->getRealPath() ?: $file->getPathname();
Chris@0: 
Chris@14:             if ('php' !== pathinfo($path, PATHINFO_EXTENSION)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             $classes = self::findClasses($path);
Chris@0: 
Chris@12:             if (\PHP_VERSION_ID >= 70000) {
Chris@0:                 // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
Chris@0:                 gc_mem_caches();
Chris@0:             }
Chris@0: 
Chris@0:             foreach ($classes as $class) {
Chris@0:                 $map[$class] = $path;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $map;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Extract the classes in the given file.
Chris@0:      *
Chris@0:      * @param string $path The file to check
Chris@0:      *
Chris@0:      * @return array The found classes
Chris@0:      */
Chris@0:     private static function findClasses($path)
Chris@0:     {
Chris@0:         $contents = file_get_contents($path);
Chris@0:         $tokens = token_get_all($contents);
Chris@0: 
Chris@17:         $classes = [];
Chris@0: 
Chris@0:         $namespace = '';
Chris@0:         for ($i = 0; isset($tokens[$i]); ++$i) {
Chris@0:             $token = $tokens[$i];
Chris@0: 
Chris@0:             if (!isset($token[1])) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             $class = '';
Chris@0: 
Chris@0:             switch ($token[0]) {
Chris@0:                 case T_NAMESPACE:
Chris@0:                     $namespace = '';
Chris@0:                     // If there is a namespace, extract it
Chris@0:                     while (isset($tokens[++$i][1])) {
Chris@17:                         if (\in_array($tokens[$i][0], [T_STRING, T_NS_SEPARATOR])) {
Chris@0:                             $namespace .= $tokens[$i][1];
Chris@0:                         }
Chris@0:                     }
Chris@0:                     $namespace .= '\\';
Chris@0:                     break;
Chris@0:                 case T_CLASS:
Chris@0:                 case T_INTERFACE:
Chris@0:                 case T_TRAIT:
Chris@0:                     // Skip usage of ::class constant
Chris@0:                     $isClassConstant = false;
Chris@0:                     for ($j = $i - 1; $j > 0; --$j) {
Chris@0:                         if (!isset($tokens[$j][1])) {
Chris@0:                             break;
Chris@0:                         }
Chris@0: 
Chris@0:                         if (T_DOUBLE_COLON === $tokens[$j][0]) {
Chris@0:                             $isClassConstant = true;
Chris@0:                             break;
Chris@17:                         } elseif (!\in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT])) {
Chris@0:                             break;
Chris@0:                         }
Chris@0:                     }
Chris@0: 
Chris@0:                     if ($isClassConstant) {
Chris@0:                         break;
Chris@0:                     }
Chris@0: 
Chris@0:                     // Find the classname
Chris@0:                     while (isset($tokens[++$i][1])) {
Chris@0:                         $t = $tokens[$i];
Chris@0:                         if (T_STRING === $t[0]) {
Chris@0:                             $class .= $t[1];
Chris@0:                         } elseif ('' !== $class && T_WHITESPACE === $t[0]) {
Chris@0:                             break;
Chris@0:                         }
Chris@0:                     }
Chris@0: 
Chris@0:                     $classes[] = ltrim($namespace.$class, '\\');
Chris@0:                     break;
Chris@0:                 default:
Chris@0:                     break;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $classes;
Chris@0:     }
Chris@0: }