default services conflit ?

old.vendor/symfony-cmf/routing/src/Enhancer/RouteEnhancerTrait.php

@@ -0,0 +1,107 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 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\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Functionality to collect and apply route enhancers to a request.
+ *
+ * @author Tim Plunkett
+ * @author Larry Garfield
+ * @author David Buchmann
+ */
+trait RouteEnhancerTrait
+{
+    /**
+     * @var RouteEnhancerInterface[][]
+     */
+    private $enhancers = [];
+
+    /**
+     * Cached sorted list of enhancers.
+     *
+     * @var RouteEnhancerInterface[]
+     */
+    private $sortedEnhancers = [];
+
+    /**
+     * Apply the route enhancers to the defaults, according to priorities.
+     *
+     * @param array $defaults
+     *
+     * @return array
+     */
+    protected function applyRouteEnhancers($defaults, Request $request)
+    {
+        foreach ($this->getRouteEnhancers() as $enhancer) {
+            $defaults = $enhancer->enhance($defaults, $request);
+        }
+
+        return $defaults;
+    }
+
+    /**
+     * Add route enhancers to the router to let them generate information on
+     * matched routes.
+     *
+     * The order of the enhancers is determined by the priority, the higher the
+     * value, the earlier the enhancer is run.
+     *
+     * @param int $priority
+     *
+     * @return self
+     */
+    public function addRouteEnhancer(RouteEnhancerInterface $enhancer, $priority = 0)
+    {
+        if (empty($this->enhancers[$priority])) {
+            $this->enhancers[$priority] = [];
+        }
+
+        $this->enhancers[$priority][] = $enhancer;
+        $this->sortedEnhancers = [];
+
+        return $this;
+    }
+
+    /**
+     * Sorts the enhancers and flattens them.
+     *
+     * @return RouteEnhancerInterface[] the enhancers ordered by priority
+     */
+    public function getRouteEnhancers()
+    {
+        if (0 === count($this->sortedEnhancers)) {
+            $this->sortedEnhancers = $this->sortRouteEnhancers();
+        }
+
+        return $this->sortedEnhancers;
+    }
+
+    /**
+     * Sort enhancers by priority.
+     *
+     * The highest priority number is the highest priority (reverse sorting).
+     *
+     * @return RouteEnhancerInterface[] the sorted enhancers
+     */
+    private function sortRouteEnhancers()
+    {
+        if (0 === count($this->enhancers)) {
+            return [];
+        }
+
+        krsort($this->enhancers);
+
+        return call_user_func_array('array_merge', $this->enhancers);
+    }
+}