annotate vendor/symfony/class-loader/ClassMapGenerator.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\ClassLoader;
Chris@0 13
Chris@14 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 15
Chris@0 16 /**
Chris@0 17 * ClassMapGenerator.
Chris@0 18 *
Chris@0 19 * @author Gyula Sallai <salla016@gmail.com>
Chris@14 20 *
Chris@14 21 * @deprecated since version 3.3, to be removed in 4.0.
Chris@0 22 */
Chris@0 23 class ClassMapGenerator
Chris@0 24 {
Chris@0 25 /**
Chris@0 26 * Generate a class map file.
Chris@0 27 *
Chris@0 28 * @param array|string $dirs Directories or a single path to search in
Chris@0 29 * @param string $file The name of the class map file
Chris@0 30 */
Chris@0 31 public static function dump($dirs, $file)
Chris@0 32 {
Chris@0 33 $dirs = (array) $dirs;
Chris@17 34 $maps = [];
Chris@0 35
Chris@0 36 foreach ($dirs as $dir) {
Chris@0 37 $maps = array_merge($maps, static::createMap($dir));
Chris@0 38 }
Chris@0 39
Chris@0 40 file_put_contents($file, sprintf('<?php return %s;', var_export($maps, true)));
Chris@0 41 }
Chris@0 42
Chris@0 43 /**
Chris@0 44 * Iterate over all files in the given directory searching for classes.
Chris@0 45 *
Chris@0 46 * @param \Iterator|string $dir The directory to search in or an iterator
Chris@0 47 *
Chris@0 48 * @return array A class map array
Chris@0 49 */
Chris@0 50 public static function createMap($dir)
Chris@0 51 {
Chris@17 52 if (\is_string($dir)) {
Chris@0 53 $dir = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
Chris@0 54 }
Chris@0 55
Chris@17 56 $map = [];
Chris@0 57
Chris@0 58 foreach ($dir as $file) {
Chris@0 59 if (!$file->isFile()) {
Chris@0 60 continue;
Chris@0 61 }
Chris@0 62
Chris@0 63 $path = $file->getRealPath() ?: $file->getPathname();
Chris@0 64
Chris@14 65 if ('php' !== pathinfo($path, PATHINFO_EXTENSION)) {
Chris@0 66 continue;
Chris@0 67 }
Chris@0 68
Chris@0 69 $classes = self::findClasses($path);
Chris@0 70
Chris@12 71 if (\PHP_VERSION_ID >= 70000) {
Chris@0 72 // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
Chris@0 73 gc_mem_caches();
Chris@0 74 }
Chris@0 75
Chris@0 76 foreach ($classes as $class) {
Chris@0 77 $map[$class] = $path;
Chris@0 78 }
Chris@0 79 }
Chris@0 80
Chris@0 81 return $map;
Chris@0 82 }
Chris@0 83
Chris@0 84 /**
Chris@0 85 * Extract the classes in the given file.
Chris@0 86 *
Chris@0 87 * @param string $path The file to check
Chris@0 88 *
Chris@0 89 * @return array The found classes
Chris@0 90 */
Chris@0 91 private static function findClasses($path)
Chris@0 92 {
Chris@0 93 $contents = file_get_contents($path);
Chris@0 94 $tokens = token_get_all($contents);
Chris@0 95
Chris@17 96 $classes = [];
Chris@0 97
Chris@0 98 $namespace = '';
Chris@0 99 for ($i = 0; isset($tokens[$i]); ++$i) {
Chris@0 100 $token = $tokens[$i];
Chris@0 101
Chris@0 102 if (!isset($token[1])) {
Chris@0 103 continue;
Chris@0 104 }
Chris@0 105
Chris@0 106 $class = '';
Chris@0 107
Chris@0 108 switch ($token[0]) {
Chris@0 109 case T_NAMESPACE:
Chris@0 110 $namespace = '';
Chris@0 111 // If there is a namespace, extract it
Chris@0 112 while (isset($tokens[++$i][1])) {
Chris@17 113 if (\in_array($tokens[$i][0], [T_STRING, T_NS_SEPARATOR])) {
Chris@0 114 $namespace .= $tokens[$i][1];
Chris@0 115 }
Chris@0 116 }
Chris@0 117 $namespace .= '\\';
Chris@0 118 break;
Chris@0 119 case T_CLASS:
Chris@0 120 case T_INTERFACE:
Chris@0 121 case T_TRAIT:
Chris@0 122 // Skip usage of ::class constant
Chris@0 123 $isClassConstant = false;
Chris@0 124 for ($j = $i - 1; $j > 0; --$j) {
Chris@0 125 if (!isset($tokens[$j][1])) {
Chris@0 126 break;
Chris@0 127 }
Chris@0 128
Chris@0 129 if (T_DOUBLE_COLON === $tokens[$j][0]) {
Chris@0 130 $isClassConstant = true;
Chris@0 131 break;
Chris@17 132 } elseif (!\in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT])) {
Chris@0 133 break;
Chris@0 134 }
Chris@0 135 }
Chris@0 136
Chris@0 137 if ($isClassConstant) {
Chris@0 138 break;
Chris@0 139 }
Chris@0 140
Chris@0 141 // Find the classname
Chris@0 142 while (isset($tokens[++$i][1])) {
Chris@0 143 $t = $tokens[$i];
Chris@0 144 if (T_STRING === $t[0]) {
Chris@0 145 $class .= $t[1];
Chris@0 146 } elseif ('' !== $class && T_WHITESPACE === $t[0]) {
Chris@0 147 break;
Chris@0 148 }
Chris@0 149 }
Chris@0 150
Chris@0 151 $classes[] = ltrim($namespace.$class, '\\');
Chris@0 152 break;
Chris@0 153 default:
Chris@0 154 break;
Chris@0 155 }
Chris@0 156 }
Chris@0 157
Chris@0 158 return $classes;
Chris@0 159 }
Chris@0 160 }