www.aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/RouteProcessor/RouteProcessorCurrent.php

   1 <?php
   2
   3 namespace Drupal\Core\RouteProcessor;
   4
   5 use Drupal\Core\Render\BubbleableMetadata;
   6 use Drupal\Core\Routing\RouteMatchInterface;
   7 use Symfony\Component\Routing\Route;
   8
   9 /**
  10  * Provides a route processor to replace <current>.
  11  */
  12 class RouteProcessorCurrent implements OutboundRouteProcessorInterface {
  13
  14   /**
  15    * The current route match.
  16    *
  17    * @var \Drupal\Core\Routing\RouteMatchInterface
  18    */
  19   protected $routeMatch;
  20
  21   /**
  22    * Constructs a new RouteProcessorCurrent.
  23    *
  24    * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
  25    *   The current route match.
  26    */
  27   public function __construct(RouteMatchInterface $route_match) {
  28     $this->routeMatch = $route_match;
  29   }
  30
  31   /**
  32    * {@inheritdoc}
  33    */
  34   public function processOutbound($route_name, Route $route, array &$parameters, BubbleableMetadata $bubbleable_metadata = NULL) {
  35     if ($route_name === '<current>') {
  36       if ($current_route = $this->routeMatch->getRouteObject()) {
  37         $requirements = $current_route->getRequirements();
  38         // Setting _method and _schema is deprecated since 2.7. Using
  39         // setMethods() and setSchemes() are now the recommended ways.
  40         unset($requirements['_method']);
  41         unset($requirements['_schema']);
  42         $route->setRequirements($requirements);
  43
  44         $route->setPath($current_route->getPath());
  45         $route->setSchemes($current_route->getSchemes());
  46         $route->setMethods($current_route->getMethods());
  47         $route->setOptions($current_route->getOptions());
  48         $route->setDefaults($current_route->getDefaults());
  49         $parameters = array_merge($parameters, $this->routeMatch->getRawParameters()->all());
  50         if ($bubbleable_metadata) {
  51           $bubbleable_metadata->addCacheContexts(['route']);
  52         }
  53       }
  54       else {
  55         // If we have no current route match available, point to the frontpage.
  56         $route->setPath('/');
  57       }
  58     }
  59   }
  60
  61 }