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