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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/Matcher/UrlMatcher.php | |
parent | 286d643180672f20526f3dc3bd19d7b751e2fa97 (diff) |
Initial Commit
Diffstat (limited to 'assets/php/vendor/symfony/routing/Matcher/UrlMatcher.php')
-rw-r--r-- | assets/php/vendor/symfony/routing/Matcher/UrlMatcher.php | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/assets/php/vendor/symfony/routing/Matcher/UrlMatcher.php b/assets/php/vendor/symfony/routing/Matcher/UrlMatcher.php new file mode 100644 index 0000000..445cfc4 --- /dev/null +++ b/assets/php/vendor/symfony/routing/Matcher/UrlMatcher.php @@ -0,0 +1,252 @@ +<?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\Matcher; + +use Symfony\Component\Routing\Exception\MethodNotAllowedException; +use Symfony\Component\Routing\Exception\NoConfigurationException; +use Symfony\Component\Routing\Exception\ResourceNotFoundException; +use Symfony\Component\Routing\RouteCollection; +use Symfony\Component\Routing\RequestContext; +use Symfony\Component\Routing\Route; +use Symfony\Component\HttpFoundation\Request; +use Symfony\Component\ExpressionLanguage\ExpressionLanguage; +use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface; + +/** + * UrlMatcher matches URL based on a set of routes. + * + * @author Fabien Potencier <fabien@symfony.com> + */ +class UrlMatcher implements UrlMatcherInterface, RequestMatcherInterface +{ + const REQUIREMENT_MATCH = 0; + const REQUIREMENT_MISMATCH = 1; + const ROUTE_MATCH = 2; + + protected $context; + protected $allow = array(); + protected $routes; + protected $request; + protected $expressionLanguage; + + /** + * @var ExpressionFunctionProviderInterface[] + */ + protected $expressionLanguageProviders = array(); + + public function __construct(RouteCollection $routes, RequestContext $context) + { + $this->routes = $routes; + $this->context = $context; + } + + /** + * {@inheritdoc} + */ + public function setContext(RequestContext $context) + { + $this->context = $context; + } + + /** + * {@inheritdoc} + */ + public function getContext() + { + return $this->context; + } + + /** + * {@inheritdoc} + */ + public function match($pathinfo) + { + $this->allow = array(); + + if ($ret = $this->matchCollection(rawurldecode($pathinfo), $this->routes)) { + return $ret; + } + + if ('/' === $pathinfo && !$this->allow) { + throw new NoConfigurationException(); + } + + throw 0 < count($this->allow) + ? new MethodNotAllowedException(array_unique($this->allow)) + : new ResourceNotFoundException(sprintf('No routes found for "%s".', $pathinfo)); + } + + /** + * {@inheritdoc} + */ + public function matchRequest(Request $request) + { + $this->request = $request; + + $ret = $this->match($request->getPathInfo()); + + $this->request = null; + + return $ret; + } + + public function addExpressionLanguageProvider(ExpressionFunctionProviderInterface $provider) + { + $this->expressionLanguageProviders[] = $provider; + } + + /** + * Tries to match a URL with a set of routes. + * + * @param string $pathinfo The path info to be parsed + * @param RouteCollection $routes The set of routes + * + * @return array An array of parameters + * + * @throws NoConfigurationException If no routing configuration could be found + * @throws ResourceNotFoundException If the resource could not be found + * @throws MethodNotAllowedException If the resource was found but the request method is not allowed + */ + protected function matchCollection($pathinfo, RouteCollection $routes) + { + foreach ($routes as $name => $route) { + $compiledRoute = $route->compile(); + + // check the static prefix of the URL first. Only use the more expensive preg_match when it matches + if ('' !== $compiledRoute->getStaticPrefix() && 0 !== strpos($pathinfo, $compiledRoute->getStaticPrefix())) { + continue; + } + + if (!preg_match($compiledRoute->getRegex(), $pathinfo, $matches)) { + continue; + } + + $hostMatches = array(); + if ($compiledRoute->getHostRegex() && !preg_match($compiledRoute->getHostRegex(), $this->context->getHost(), $hostMatches)) { + continue; + } + + $status = $this->handleRouteRequirements($pathinfo, $name, $route); + + if (self::REQUIREMENT_MISMATCH === $status[0]) { + continue; + } + + // check HTTP method requirement + if ($requiredMethods = $route->getMethods()) { + // HEAD and GET are equivalent as per RFC + if ('HEAD' === $method = $this->context->getMethod()) { + $method = 'GET'; + } + + if (!in_array($method, $requiredMethods)) { + if (self::REQUIREMENT_MATCH === $status[0]) { + $this->allow = array_merge($this->allow, $requiredMethods); + } + + continue; + } + } + + return $this->getAttributes($route, $name, array_replace($matches, $hostMatches, isset($status[1]) ? $status[1] : array())); + } + } + + /** + * Returns an array of values to use as request attributes. + * + * As this method requires the Route object, it is not available + * in matchers that do not have access to the matched Route instance + * (like the PHP and Apache matcher dumpers). + * + * @param Route $route The route we are matching against + * @param string $name The name of the route + * @param array $attributes An array of attributes from the matcher + * + * @return array An array of parameters + */ + protected function getAttributes(Route $route, $name, array $attributes) + { + $attributes['_route'] = $name; + + return $this->mergeDefaults($attributes, $route->getDefaults()); + } + + /** + * Handles specific route requirements. + * + * @param string $pathinfo The path + * @param string $name The route name + * @param Route $route The route + * + * @return array The first element represents the status, the second contains additional information + */ + protected function handleRouteRequirements($pathinfo, $name, Route $route) + { + // expression condition + if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), array('context' => $this->context, 'request' => $this->request ?: $this->createRequest($pathinfo)))) { + return array(self::REQUIREMENT_MISMATCH, null); + } + + // check HTTP scheme requirement + $scheme = $this->context->getScheme(); + $status = $route->getSchemes() && !$route->hasScheme($scheme) ? self::REQUIREMENT_MISMATCH : self::REQUIREMENT_MATCH; + + return array($status, null); + } + + /** + * Get merged default parameters. + * + * @param array $params The parameters + * @param array $defaults The defaults + * + * @return array Merged default parameters + */ + protected function mergeDefaults($params, $defaults) + { + foreach ($params as $key => $value) { + if (!is_int($key)) { + $defaults[$key] = $value; + } + } + + return $defaults; + } + + protected function getExpressionLanguage() + { + if (null === $this->expressionLanguage) { + if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) { + throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.'); + } + $this->expressionLanguage = new ExpressionLanguage(null, $this->expressionLanguageProviders); + } + + return $this->expressionLanguage; + } + + /** + * @internal + */ + protected function createRequest($pathinfo) + { + if (!class_exists('Symfony\Component\HttpFoundation\Request')) { + return null; + } + + return Request::create($this->context->getScheme().'://'.$this->context->getHost().$this->context->getBaseUrl().$pathinfo, $this->context->getMethod(), $this->context->getParameters(), array(), array(), array( + 'SCRIPT_FILENAME' => $this->context->getBaseUrl(), + 'SCRIPT_NAME' => $this->context->getBaseUrl(), + )); + } +} |