--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2015 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * This compiler pass adds additional route enhancers
+ * to the dynamic router.
+ *
+ * @author Daniel Leech <dan.t.leech@gmail.com>
+ * @author Nathaniel Catchpole (catch)
+ */
+class RegisterRouteEnhancersPass implements CompilerPassInterface
+{
+ /**
+ * @var string
+ */
+ protected $dynamicRouterService;
+
+ protected $enhancerTag;
+
+ public function __construct($dynamicRouterService = 'cmf_routing.dynamic_router', $enhancerTag = 'dynamic_router_route_enhancer')
+ {
+ $this->dynamicRouterService = $dynamicRouterService;
+ $this->enhancerTag = $enhancerTag;
+ }
+
+ public function process(ContainerBuilder $container)
+ {
+ if (!$container->hasDefinition($this->dynamicRouterService)) {
+ return;
+ }
+
+ $router = $container->getDefinition($this->dynamicRouterService);
+
+ foreach ($container->findTaggedServiceIds($this->enhancerTag) as $id => $attributes) {
+ $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0;
+ $router->addMethodCall('addRouteEnhancer', array(new Reference($id), $priority));
+ }
+ }
+}