Current File : //home/silvzytp/dsr_code/vendor/symfony/routing/Loader/AnnotationFileLoader.php
<?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\Config\FileLocatorInterface;
use Symfony\Component\Config\Loader\FileLoader;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Routing\RouteCollection;
/**
* 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;
public function __construct(FileLocatorInterface $locator, AnnotationClassLoader $loader)
{
if (!\function_exists('token_get_all')) {
throw new \LogicException('The Tokenizer extension is required for the routing annotation loaders.');
}
parent::__construct($locator);
$this->loader = $loader;
}
/**
* Loads from annotations from a file.
*
* @throws \InvalidArgumentException When the file does not exist or its routes cannot be parsed
*/
public function load(mixed $file, string $type = null): ?RouteCollection
{
$path = $this->locator->locate($file);
$collection = new RouteCollection();
if ($class = $this->findClass($path)) {
$refl = new \ReflectionClass($class);
if ($refl->isAbstract()) {
return null;
}
$collection->addResource(new FileResource($path));
$collection->addCollection($this->loader->load($class, $type));
}
gc_mem_caches();
return $collection;
}
public function supports(mixed $resource, string $type = null): bool
{
return \is_string($resource) && 'php' === pathinfo($resource, \PATHINFO_EXTENSION) && (!$type || \in_array($type, ['annotation', 'attribute'], true));
}
/**
* Returns the full class name for the first class in the file.
*/
protected function findClass(string $file): string|false
{
$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));
}
$nsTokens = [\T_NS_SEPARATOR => true, \T_STRING => true];
if (\defined('T_NAME_QUALIFIED')) {
$nsTokens[\T_NAME_QUALIFIED] = true;
}
for ($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 === $namespace && isset($nsTokens[$token[0]])) {
$namespace = $token[1];
while (isset($tokens[++$i][1], $nsTokens[$tokens[$i][0]])) {
$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])) {
if ('(' === $tokens[$j] || ',' === $tokens[$j]) {
$skipClassToken = true;
}
break;
}
if (\T_DOUBLE_COLON === $tokens[$j][0] || \T_NEW === $tokens[$j][0]) {
$skipClassToken = true;
break;
} elseif (!\in_array($tokens[$j][0], [\T_WHITESPACE, \T_DOC_COMMENT, \T_COMMENT])) {
break;
}
}
if (!$skipClassToken) {
$class = true;
}
}
if (\T_NAMESPACE === $token[0]) {
$namespace = true;
}
}
return false;
}
}
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