134 lines
3.5 KiB
PHP
134 lines
3.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\ClassLoader;
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/**
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* ClassMapGenerator
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*
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* @author Gyula Sallai <salla016@gmail.com>
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*/
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class ClassMapGenerator
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{
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/**
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* Generate a class map file
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*
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* @param array|string $dirs Directories or a single path to search in
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* @param string $file The name of the class map file
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*/
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public static function dump($dirs, $file)
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{
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$dirs = (array) $dirs;
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$maps = array();
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foreach ($dirs as $dir) {
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$maps = array_merge($maps, static::createMap($dir));
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}
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file_put_contents($file, sprintf('<?php return %s;', var_export($maps, true)));
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}
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/**
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* Iterate over all files in the given directory searching for classes
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*
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* @param Iterator|string $dir The directory to search in or an iterator
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*
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* @return array A class map array
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*/
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public static function createMap($dir)
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{
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if (is_string($dir)) {
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$dir = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
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}
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$map = array();
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foreach ($dir as $file) {
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if (!$file->isFile()) {
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continue;
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}
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$path = $file->getRealPath();
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if (pathinfo($path, PATHINFO_EXTENSION) !== 'php') {
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continue;
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}
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$classes = self::findClasses($path);
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foreach ($classes as $class) {
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$map[$class] = $path;
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}
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}
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return $map;
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}
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/**
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* Extract the classes in the given file
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*
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* @param string $path The file to check
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*
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* @return array The found classes
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*/
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private static function findClasses($path)
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{
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$contents = file_get_contents($path);
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$tokens = token_get_all($contents);
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$T_TRAIT = version_compare(PHP_VERSION, '5.4', '<') ? -1 : T_TRAIT;
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$classes = array();
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$namespace = '';
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for ($i = 0, $max = count($tokens); $i < $max; $i++) {
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$token = $tokens[$i];
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if (is_string($token)) {
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continue;
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}
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$class = '';
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switch ($token[0]) {
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case T_NAMESPACE:
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$namespace = '';
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// If there is a namespace, extract it
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while (($t = $tokens[++$i]) && is_array($t)) {
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if (in_array($t[0], array(T_STRING, T_NS_SEPARATOR))) {
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$namespace .= $t[1];
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}
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}
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$namespace .= '\\';
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break;
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case T_CLASS:
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case T_INTERFACE:
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case $T_TRAIT:
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// Find the classname
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while (($t = $tokens[++$i]) && is_array($t)) {
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if (T_STRING === $t[0]) {
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$class .= $t[1];
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} elseif ($class !== '' && T_WHITESPACE == $t[0]) {
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break;
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}
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}
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$classes[] = ltrim($namespace . $class, '\\');
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break;
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default:
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break;
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}
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}
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return $classes;
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}
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}
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