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File / Folder	Size	Action
.	-
Configurator	--	ren
schema	--	ren
AnnotationClassLoader.php	0.683KB	edt ren
AnnotationDirectoryLoad...	0.697KB	edt ren
AnnotationFileLoader.php	0.668KB	edt ren
AttributeClassLoader.php	15.734KB	edt ren
AttributeDirectoryLoade...	2.937KB	edt ren
AttributeFileLoader.php	4.667KB	edt ren
ClosureLoader.php	0.897KB	edt ren
ContainerLoader.php	0.962KB	edt ren
DirectoryLoader.php	1.432KB	edt ren
GlobFileLoader.php	0.986KB	edt ren
ObjectLoader.php	2.793KB	edt ren
PhpFileLoader.php	2.118KB	edt ren
Psr4DirectoryLoader.php	3.205KB	edt ren
XmlFileLoader.php	17.608KB	edt ren
YamlFileLoader.php	11.799KB	edt ren

<?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\Loader\FileLoader;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Routing\Loader\Configurator\Traits\HostTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\LocalizedRouteTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\PrefixTrait;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Parser as YamlParser;
use Symfony\Component\Yaml\Yaml;

/**
 * YamlFileLoader loads Yaml routing files.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Tobias Schultze <http://tobion.de>
 */
class YamlFileLoader extends FileLoader
{
    use HostTrait;
    use LocalizedRouteTrait;
    use PrefixTrait;

private const AVAILABLE_KEYS = [
        'resource', 'type', 'prefix', 'path', 'host', 'schemes', 'methods', 'defaults', 'requirements', 'options', 'condition', 'controller', 'name_prefix', 'trailing_slash_on_root', 'locale', 'format', 'utf8', 'exclude', 'stateless',
    ];
    private YamlParser $yamlParser;

/**
     * @throws \InvalidArgumentException When a route can't be parsed because YAML is invalid
     */
    public function load(mixed $file, ?string $type = null): RouteCollection
    {
        $path = $this->locator->locate($file);

if (!stream_is_local($path)) {
            throw new \InvalidArgumentException(sprintf('This is not a local file "%s".', $path));
        }

if (!file_exists($path)) {
            throw new \InvalidArgumentException(sprintf('File "%s" not found.', $path));
        }

$this->yamlParser ??= new YamlParser();

try {
            $parsedConfig = $this->yamlParser->parseFile($path, Yaml::PARSE_CONSTANT);
        } catch (ParseException $e) {
            throw new \InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML: ', $path).$e->getMessage(), 0, $e);
        }

$collection = new RouteCollection();
        $collection->addResource(new FileResource($path));

// empty file
        if (null === $parsedConfig) {
            return $collection;
        }

// not an array
        if (!\is_array($parsedConfig)) {
            throw new \InvalidArgumentException(sprintf('The file "%s" must contain a YAML array.', $path));
        }

foreach ($parsedConfig as $name => $config) {
            if (str_starts_with($name, 'when@')) {
                if (!$this->env || 'when@'.$this->env !== $name) {
                    continue;
                }

foreach ($config as $name => $config) {
                    $this->validate($config, $name.'" when "@'.$this->env, $path);

if (isset($config['resource'])) {
                        $this->parseImport($collection, $config, $path, $file);
                    } else {
                        $this->parseRoute($collection, $name, $config, $path);
                    }
                }

continue;
            }

$this->validate($config, $name, $path);

if (isset($config['resource'])) {
                $this->parseImport($collection, $config, $path, $file);
            } else {
                $this->parseRoute($collection, $name, $config, $path);
            }
        }

return $collection;
    }

public function supports(mixed $resource, ?string $type = null): bool
    {
        return \is_string($resource) && \in_array(pathinfo($resource, \PATHINFO_EXTENSION), ['yml', 'yaml'], true) && (!$type || 'yaml' === $type);
    }

/**
     * Parses a route and adds it to the RouteCollection.
     *
     * @return void
     */
    protected function parseRoute(RouteCollection $collection, string $name, array $config, string $path)
    {
        if (isset($config['alias'])) {
            $alias = $collection->addAlias($name, $config['alias']);
            $deprecation = $config['deprecated'] ?? null;
            if (null !== $deprecation) {
                $alias->setDeprecated(
                    $deprecation['package'],
                    $deprecation['version'],
                    $deprecation['message'] ?? ''
                );
            }

return;
        }

$defaults = $config['defaults'] ?? [];
        $requirements = $config['requirements'] ?? [];
        $options = $config['options'] ?? [];

foreach ($requirements as $placeholder => $requirement) {
            if (\is_int($placeholder)) {
                throw new \InvalidArgumentException(sprintf('A placeholder name must be a string (%d given). Did you forget to specify the placeholder key for the requirement "%s" of route "%s" in "%s"?', $placeholder, $requirement, $name, $path));
            }
        }

if (isset($config['controller'])) {
            $defaults['_controller'] = $config['controller'];
        }
        if (isset($config['locale'])) {
            $defaults['_locale'] = $config['locale'];
        }
        if (isset($config['format'])) {
            $defaults['_format'] = $config['format'];
        }
        if (isset($config['utf8'])) {
            $options['utf8'] = $config['utf8'];
        }
        if (isset($config['stateless'])) {
            $defaults['_stateless'] = $config['stateless'];
        }

$routes = $this->createLocalizedRoute($collection, $name, $config['path']);
        $routes->addDefaults($defaults);
        $routes->addRequirements($requirements);
        $routes->addOptions($options);
        $routes->setSchemes($config['schemes'] ?? []);
        $routes->setMethods($config['methods'] ?? []);
        $routes->setCondition($config['condition'] ?? null);

if (isset($config['host'])) {
            $this->addHost($routes, $config['host']);
        }
    }

/**
     * Parses an import and adds the routes in the resource to the RouteCollection.
     *
     * @return void
     */
    protected function parseImport(RouteCollection $collection, array $config, string $path, string $file)
    {
        $type = $config['type'] ?? null;
        $prefix = $config['prefix'] ?? '';
        $defaults = $config['defaults'] ?? [];
        $requirements = $config['requirements'] ?? [];
        $options = $config['options'] ?? [];
        $host = $config['host'] ?? null;
        $condition = $config['condition'] ?? null;
        $schemes = $config['schemes'] ?? null;
        $methods = $config['methods'] ?? null;
        $trailingSlashOnRoot = $config['trailing_slash_on_root'] ?? true;
        $namePrefix = $config['name_prefix'] ?? null;
        $exclude = $config['exclude'] ?? null;

$this->setCurrentDir(\dirname($path));

/** @var RouteCollection[] $imported */
        $imported = $this->import($config['resource'], $type, false, $file, $exclude) ?: [];

if (!\is_array($imported)) {
            $imported = [$imported];
        }

foreach ($imported as $subCollection) {
            $this->addPrefix($subCollection, $prefix, $trailingSlashOnRoot);

if (null !== $host) {
                $this->addHost($subCollection, $host);
            }
            if (null !== $condition) {
                $subCollection->setCondition($condition);
            }
            if (null !== $schemes) {
                $subCollection->setSchemes($schemes);
            }
            if (null !== $methods) {
                $subCollection->setMethods($methods);
            }
            if (null !== $namePrefix) {
                $subCollection->addNamePrefix($namePrefix);
            }
            $subCollection->addDefaults($defaults);
            $subCollection->addRequirements($requirements);
            $subCollection->addOptions($options);

$collection->addCollection($subCollection);
        }
    }

/**
     * @return void
     *
     * @throws \InvalidArgumentException If one of the provided config keys is not supported,
     *                                   something is missing or the combination is nonsense
     */
    protected function validate(mixed $config, string $name, string $path)
    {
        if (!\is_array($config)) {
            throw new \InvalidArgumentException(sprintf('The definition of "%s" in "%s" must be a YAML array.', $name, $path));
        }
        if (isset($config['alias'])) {
            $this->validateAlias($config, $name, $path);

return;
        }
        if ($extraKeys = array_diff(array_keys($config), self::AVAILABLE_KEYS)) {
            throw new \InvalidArgumentException(sprintf('The routing file "%s" contains unsupported keys for "%s": "%s". Expected one of: "%s".', $path, $name, implode('", "', $extraKeys), implode('", "', self::AVAILABLE_KEYS)));
        }
        if (isset($config['resource']) && isset($config['path'])) {
            throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "resource" key and the "path" key for "%s". Choose between an import and a route definition.', $path, $name));
        }
        if (!isset($config['resource']) && isset($config['type'])) {
            throw new \InvalidArgumentException(sprintf('The "type" key for the route definition "%s" in "%s" is unsupported. It is only available for imports in combination with the "resource" key.', $name, $path));
        }
        if (!isset($config['resource']) && !isset($config['path'])) {
            throw new \InvalidArgumentException(sprintf('You must define a "path" for the route "%s" in file "%s".', $name, $path));
        }
        if (isset($config['controller']) && isset($config['defaults']['_controller'])) {
            throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "controller" key and the defaults key "_controller" for "%s".', $path, $name));
        }
        if (isset($config['stateless']) && isset($config['defaults']['_stateless'])) {
            throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "stateless" key and the defaults key "_stateless" for "%s".', $path, $name));
        }
    }

/**
     * @throws \InvalidArgumentException If one of the provided config keys is not supported,
     *                                   something is missing or the combination is nonsense
     */
    private function validateAlias(array $config, string $name, string $path): void
    {
        foreach ($config as $key => $value) {
            if (!\in_array($key, ['alias', 'deprecated'], true)) {
                throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify other keys than "alias" and "deprecated" for "%s".', $path, $name));
            }

if ('deprecated' === $key) {
                if (!isset($value['package'])) {
                    throw new \InvalidArgumentException(sprintf('The routing file "%s" must specify the attribute "package" of the "deprecated" option for "%s".', $path, $name));
                }

if (!isset($value['version'])) {
                    throw new \InvalidArgumentException(sprintf('The routing file "%s" must specify the attribute "version" of the "deprecated" option for "%s".', $path, $name));
                }
            }
        }
    }
}