diff options
author | marvin-borner@live.com | 2018-04-10 21:50:16 +0200 |
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committer | marvin-borner@live.com | 2018-04-10 21:54:48 +0200 |
commit | fc9401f04a3aca5abb22f87ebc210de8afe11d32 (patch) | |
tree | b0b310f3581764ec3955f4e496a05137a32951c3 /assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php | |
parent | 286d643180672f20526f3dc3bd19d7b751e2fa97 (diff) |
Initial Commit
Diffstat (limited to 'assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php')
-rw-r--r-- | assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php b/assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php new file mode 100644 index 0000000..cf9f070 --- /dev/null +++ b/assets/php/vendor/symfony/routing/Loader/AnnotationFileLoader.php @@ -0,0 +1,142 @@ +<?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\Routing\Loader; + +use Symfony\Component\Routing\RouteCollection; +use Symfony\Component\Config\Resource\FileResource; +use Symfony\Component\Config\Loader\FileLoader; +use Symfony\Component\Config\FileLocatorInterface; + +/** + * AnnotationFileLoader loads routing information from annotations set + * on a PHP class and its methods. + * + * @author Fabien Potencier <fabien@symfony.com> + */ +class AnnotationFileLoader extends FileLoader +{ + protected $loader; + + /** + * @throws \RuntimeException + */ + public function __construct(FileLocatorInterface $locator, AnnotationClassLoader $loader) + { + if (!function_exists('token_get_all')) { + throw new \RuntimeException('The Tokenizer extension is required for the routing annotation loaders.'); + } + + parent::__construct($locator); + + $this->loader = $loader; + } + + /** + * Loads from annotations from a file. + * + * @param string $file A PHP file path + * @param string|null $type The resource type + * + * @return RouteCollection A RouteCollection instance + * + * @throws \InvalidArgumentException When the file does not exist or its routes cannot be parsed + */ + public function load($file, $type = null) + { + $path = $this->locator->locate($file); + + $collection = new RouteCollection(); + if ($class = $this->findClass($path)) { + $collection->addResource(new FileResource($path)); + $collection->addCollection($this->loader->load($class, $type)); + } + 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(); + } + + return $collection; + } + + /** + * {@inheritdoc} + */ + public function supports($resource, $type = null) + { + return is_string($resource) && 'php' === pathinfo($resource, PATHINFO_EXTENSION) && (!$type || 'annotation' === $type); + } + + /** + * Returns the full class name for the first class in the file. + * + * @param string $file A PHP file path + * + * @return string|false Full class name if found, false otherwise + */ + protected function findClass($file) + { + $class = false; + $namespace = false; + $tokens = token_get_all(file_get_contents($file)); + + if (1 === count($tokens) && T_INLINE_HTML === $tokens[0][0]) { + throw new \InvalidArgumentException(sprintf('The file "%s" does not contain PHP code. Did you forgot to add the "<?php" start tag at the beginning of the file?', $file)); + } + + for ($i = 0; isset($tokens[$i]); ++$i) { + $token = $tokens[$i]; + + if (!isset($token[1])) { + continue; + } + + if (true === $class && T_STRING === $token[0]) { + return $namespace.'\\'.$token[1]; + } + + if (true === $namespace && T_STRING === $token[0]) { + $namespace = $token[1]; + while (isset($tokens[++$i][1]) && in_array($tokens[$i][0], array(T_NS_SEPARATOR, T_STRING))) { + $namespace .= $tokens[$i][1]; + } + $token = $tokens[$i]; + } + + if (T_CLASS === $token[0]) { + // Skip usage of ::class constant and anonymous classes + $skipClassToken = false; + for ($j = $i - 1; $j > 0; --$j) { + if (!isset($tokens[$j][1])) { + break; + } + + if (T_DOUBLE_COLON === $tokens[$j][0] || T_NEW === $tokens[$j][0]) { + $skipClassToken = true; + break; + } elseif (!in_array($tokens[$j][0], array(T_WHITESPACE, T_DOC_COMMENT, T_COMMENT))) { + break; + } + } + + if (!$skipClassToken) { + $class = true; + } + } + + if (T_NAMESPACE === $token[0]) { + $namespace = true; + } + } + + return false; + } +} |