- <?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;
- use Psr\Log\LoggerInterface;
- use Symfony\Component\Config\ConfigCacheFactory;
- use Symfony\Component\Config\ConfigCacheFactoryInterface;
- use Symfony\Component\Config\ConfigCacheInterface;
- use Symfony\Component\Config\Loader\LoaderInterface;
- use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\Routing\Generator\CompiledUrlGenerator;
- use Symfony\Component\Routing\Generator\ConfigurableRequirementsInterface;
- use Symfony\Component\Routing\Generator\Dumper\CompiledUrlGeneratorDumper;
- use Symfony\Component\Routing\Generator\Dumper\GeneratorDumperInterface;
- use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
- use Symfony\Component\Routing\Matcher\CompiledUrlMatcher;
- use Symfony\Component\Routing\Matcher\Dumper\CompiledUrlMatcherDumper;
- use Symfony\Component\Routing\Matcher\Dumper\MatcherDumperInterface;
- use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
- use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
- /**
-  * The Router class is an example of the integration of all pieces of the
-  * routing system for easier use.
-  *
-  * @author Fabien Potencier <fabien@symfony.com>
-  */
- class Router implements RouterInterface, RequestMatcherInterface
- {
-     /**
-      * @var UrlMatcherInterface|null
-      */
-     protected $matcher;
-     /**
-      * @var UrlGeneratorInterface|null
-      */
-     protected $generator;
-     /**
-      * @var RequestContext
-      */
-     protected $context;
-     /**
-      * @var LoaderInterface
-      */
-     protected $loader;
-     /**
-      * @var RouteCollection|null
-      */
-     protected $collection;
-     /**
-      * @var mixed
-      */
-     protected $resource;
-     /**
-      * @var array
-      */
-     protected $options = [];
-     /**
-      * @var LoggerInterface|null
-      */
-     protected $logger;
-     /**
-      * @var string|null
-      */
-     protected $defaultLocale;
-     /**
-      * @var ConfigCacheFactoryInterface|null
-      */
-     private $configCacheFactory;
-     /**
-      * @var ExpressionFunctionProviderInterface[]
-      */
-     private $expressionLanguageProviders = [];
-     private static $cache = [];
-     /**
-      * @param mixed $resource The main resource to load
-      */
-     public function __construct(LoaderInterface $loader, $resource, array $options = [], ?RequestContext $context = null, ?LoggerInterface $logger = null, ?string $defaultLocale = null)
-     {
-         $this->loader = $loader;
-         $this->resource = $resource;
-         $this->logger = $logger;
-         $this->context = $context ?? new RequestContext();
-         $this->setOptions($options);
-         $this->defaultLocale = $defaultLocale;
-     }
-     /**
-      * Sets options.
-      *
-      * Available options:
-      *
-      *   * cache_dir:              The cache directory (or null to disable caching)
-      *   * debug:                  Whether to enable debugging or not (false by default)
-      *   * generator_class:        The name of a UrlGeneratorInterface implementation
-      *   * generator_dumper_class: The name of a GeneratorDumperInterface implementation
-      *   * matcher_class:          The name of a UrlMatcherInterface implementation
-      *   * matcher_dumper_class:   The name of a MatcherDumperInterface implementation
-      *   * resource_type:          Type hint for the main resource (optional)
-      *   * strict_requirements:    Configure strict requirement checking for generators
-      *                             implementing ConfigurableRequirementsInterface (default is true)
-      *
-      * @throws \InvalidArgumentException When unsupported option is provided
-      */
-     public function setOptions(array $options)
-     {
-         $this->options = [
-             'cache_dir' => null,
-             'debug' => false,
-             'generator_class' => CompiledUrlGenerator::class,
-             'generator_dumper_class' => CompiledUrlGeneratorDumper::class,
-             'matcher_class' => CompiledUrlMatcher::class,
-             'matcher_dumper_class' => CompiledUrlMatcherDumper::class,
-             'resource_type' => null,
-             'strict_requirements' => true,
-         ];
-         // check option names and live merge, if errors are encountered Exception will be thrown
-         $invalid = [];
-         foreach ($options as $key => $value) {
-             if (\array_key_exists($key, $this->options)) {
-                 $this->options[$key] = $value;
-             } else {
-                 $invalid[] = $key;
-             }
-         }
-         if ($invalid) {
-             throw new \InvalidArgumentException(sprintf('The Router does not support the following options: "%s".', implode('", "', $invalid)));
-         }
-     }
-     /**
-      * Sets an option.
-      *
-      * @param mixed $value The value
-      *
-      * @throws \InvalidArgumentException
-      */
-     public function setOption(string $key, $value)
-     {
-         if (!\array_key_exists($key, $this->options)) {
-             throw new \InvalidArgumentException(sprintf('The Router does not support the "%s" option.', $key));
-         }
-         $this->options[$key] = $value;
-     }
-     /**
-      * Gets an option value.
-      *
-      * @return mixed
-      *
-      * @throws \InvalidArgumentException
-      */
-     public function getOption(string $key)
-     {
-         if (!\array_key_exists($key, $this->options)) {
-             throw new \InvalidArgumentException(sprintf('The Router does not support the "%s" option.', $key));
-         }
-         return $this->options[$key];
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function getRouteCollection()
-     {
-         if (null === $this->collection) {
-             $this->collection = $this->loader->load($this->resource, $this->options['resource_type']);
-         }
-         return $this->collection;
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function setContext(RequestContext $context)
-     {
-         $this->context = $context;
-         if (null !== $this->matcher) {
-             $this->getMatcher()->setContext($context);
-         }
-         if (null !== $this->generator) {
-             $this->getGenerator()->setContext($context);
-         }
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function getContext()
-     {
-         return $this->context;
-     }
-     /**
-      * Sets the ConfigCache factory to use.
-      */
-     public function setConfigCacheFactory(ConfigCacheFactoryInterface $configCacheFactory)
-     {
-         $this->configCacheFactory = $configCacheFactory;
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function generate(string $name, array $parameters = [], int $referenceType = self::ABSOLUTE_PATH)
-     {
-         return $this->getGenerator()->generate($name, $parameters, $referenceType);
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function match(string $pathinfo)
-     {
-         return $this->getMatcher()->match($pathinfo);
-     }
-     /**
-      * {@inheritdoc}
-      */
-     public function matchRequest(Request $request)
-     {
-         $matcher = $this->getMatcher();
-         if (!$matcher instanceof RequestMatcherInterface) {
-             // fallback to the default UrlMatcherInterface
-             return $matcher->match($request->getPathInfo());
-         }
-         return $matcher->matchRequest($request);
-     }
-     /**
-      * Gets the UrlMatcher or RequestMatcher instance associated with this Router.
-      *
-      * @return UrlMatcherInterface|RequestMatcherInterface
-      */
-     public function getMatcher()
-     {
-         if (null !== $this->matcher) {
-             return $this->matcher;
-         }
-         if (null === $this->options['cache_dir']) {
-             $routes = $this->getRouteCollection();
-             $compiled = is_a($this->options['matcher_class'], CompiledUrlMatcher::class, true);
-             if ($compiled) {
-                 $routes = (new CompiledUrlMatcherDumper($routes))->getCompiledRoutes();
-             }
-             $this->matcher = new $this->options['matcher_class']($routes, $this->context);
-             if (method_exists($this->matcher, 'addExpressionLanguageProvider')) {
-                 foreach ($this->expressionLanguageProviders as $provider) {
-                     $this->matcher->addExpressionLanguageProvider($provider);
-                 }
-             }
-             return $this->matcher;
-         }
-         $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_matching_routes.php',
-             function (ConfigCacheInterface $cache) {
-                 $dumper = $this->getMatcherDumperInstance();
-                 if (method_exists($dumper, 'addExpressionLanguageProvider')) {
-                     foreach ($this->expressionLanguageProviders as $provider) {
-                         $dumper->addExpressionLanguageProvider($provider);
-                     }
-                 }
-                 $cache->write($dumper->dump(), $this->getRouteCollection()->getResources());
-                 unset(self::$cache[$cache->getPath()]);
-             }
-         );
-         return $this->matcher = new $this->options['matcher_class'](self::getCompiledRoutes($cache->getPath()), $this->context);
-     }
-     /**
-      * Gets the UrlGenerator instance associated with this Router.
-      *
-      * @return UrlGeneratorInterface
-      */
-     public function getGenerator()
-     {
-         if (null !== $this->generator) {
-             return $this->generator;
-         }
-         if (null === $this->options['cache_dir']) {
-             $routes = $this->getRouteCollection();
-             $compiled = is_a($this->options['generator_class'], CompiledUrlGenerator::class, true);
-             if ($compiled) {
-                 $generatorDumper = new CompiledUrlGeneratorDumper($routes);
-                 $routes = array_merge($generatorDumper->getCompiledRoutes(), $generatorDumper->getCompiledAliases());
-             }
-             $this->generator = new $this->options['generator_class']($routes, $this->context, $this->logger, $this->defaultLocale);
-         } else {
-             $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_generating_routes.php',
-                 function (ConfigCacheInterface $cache) {
-                     $dumper = $this->getGeneratorDumperInstance();
-                     $cache->write($dumper->dump(), $this->getRouteCollection()->getResources());
-                     unset(self::$cache[$cache->getPath()]);
-                 }
-             );
-             $this->generator = new $this->options['generator_class'](self::getCompiledRoutes($cache->getPath()), $this->context, $this->logger, $this->defaultLocale);
-         }
-         if ($this->generator instanceof ConfigurableRequirementsInterface) {
-             $this->generator->setStrictRequirements($this->options['strict_requirements']);
-         }
-         return $this->generator;
-     }
-     public function addExpressionLanguageProvider(ExpressionFunctionProviderInterface $provider)
-     {
-         $this->expressionLanguageProviders[] = $provider;
-     }
-     /**
-      * @return GeneratorDumperInterface
-      */
-     protected function getGeneratorDumperInstance()
-     {
-         return new $this->options['generator_dumper_class']($this->getRouteCollection());
-     }
-     /**
-      * @return MatcherDumperInterface
-      */
-     protected function getMatcherDumperInstance()
-     {
-         return new $this->options['matcher_dumper_class']($this->getRouteCollection());
-     }
-     /**
-      * Provides the ConfigCache factory implementation, falling back to a
-      * default implementation if necessary.
-      */
-     private function getConfigCacheFactory(): ConfigCacheFactoryInterface
-     {
-         if (null === $this->configCacheFactory) {
-             $this->configCacheFactory = new ConfigCacheFactory($this->options['debug']);
-         }
-         return $this->configCacheFactory;
-     }
-     private static function getCompiledRoutes(string $path): array
-     {
-         if ([] === self::$cache && \function_exists('opcache_invalidate') && filter_var(\ini_get('opcache.enable'), \FILTER_VALIDATE_BOOLEAN) && (!\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) || filter_var(\ini_get('opcache.enable_cli'), \FILTER_VALIDATE_BOOLEAN))) {
-             self::$cache = null;
-         }
-         if (null === self::$cache) {
-             return require $path;
-         }
-         if (isset(self::$cache[$path])) {
-             return self::$cache[$path];
-         }
-         return self::$cache[$path] = require $path;
-     }
- }
-