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