Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Routing;
Chris@0: 
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\RequestStack;
Chris@0: 
Chris@0: /**
Chris@0:  * Default object for current_route_match service.
Chris@0:  */
Chris@0: class CurrentRouteMatch implements ResettableStackedRouteMatchInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The related request stack.
Chris@0:    *
Chris@0:    * @var \Symfony\Component\HttpFoundation\RequestStack
Chris@0:    */
Chris@0:   protected $requestStack;
Chris@0: 
Chris@0:   /**
Chris@0:    * Internal cache of RouteMatch objects.
Chris@0:    *
Chris@0:    * @var \SplObjectStorage
Chris@0:    */
Chris@0:   protected $routeMatches;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a CurrentRouteMatch object.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
Chris@0:    *   The request stack.
Chris@0:    */
Chris@0:   public function __construct(RequestStack $request_stack) {
Chris@0:     $this->requestStack = $request_stack;
Chris@0:     $this->routeMatches = new \SplObjectStorage();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getRouteName() {
Chris@0:     return $this->getCurrentRouteMatch()->getRouteName();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getRouteObject() {
Chris@0:     return $this->getCurrentRouteMatch()->getRouteObject();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getParameter($parameter_name) {
Chris@0:     return $this->getCurrentRouteMatch()->getParameter($parameter_name);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getParameters() {
Chris@0:     return $this->getCurrentRouteMatch()->getParameters();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getRawParameter($parameter_name) {
Chris@0:     return $this->getCurrentRouteMatch()->getRawParameter($parameter_name);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getRawParameters() {
Chris@0:     return $this->getCurrentRouteMatch()->getRawParameters();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns the route match for the current request.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Routing\RouteMatchInterface
Chris@0:    *   The current route match object.
Chris@0:    */
Chris@0:   public function getCurrentRouteMatch() {
Chris@0:     return $this->getRouteMatch($this->requestStack->getCurrentRequest());
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns the route match for a passed in request.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   A request object.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Routing\RouteMatchInterface
Chris@0:    *   A route match object created from the request.
Chris@0:    */
Chris@0:   protected function getRouteMatch(Request $request) {
Chris@0:     if (isset($this->routeMatches[$request])) {
Chris@0:       $route_match = $this->routeMatches[$request];
Chris@0:     }
Chris@0:     else {
Chris@0:       $route_match = RouteMatch::createFromRequest($request);
Chris@0: 
Chris@0:       // Since getRouteMatch() might be invoked both before and after routing
Chris@0:       // is completed, only statically cache the route match after there's a
Chris@0:       // matched route.
Chris@0:       if ($route_match->getRouteObject()) {
Chris@0:         $this->routeMatches[$request] = $route_match;
Chris@0:       }
Chris@0:     }
Chris@0:     return $route_match;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function resetRouteMatch() {
Chris@0:     $this->routeMatches = new \SplObjectStorage();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getMasterRouteMatch() {
Chris@0:     return $this->getRouteMatch($this->requestStack->getMasterRequest());
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getParentRouteMatch() {
Chris@0:     return $this->getRouteMatch($this->requestStack->getParentRequest());
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getRouteMatchFromRequest(Request $request) {
Chris@0:     return $this->getRouteMatch($request);
Chris@0:   }
Chris@0: 
Chris@0: }