Actualización

vendor/symfony/framework-bundle/DependencyInjection/Compiler/PropertyInfoPass.php

@@ -0,0 +1,76 @@
+<?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\Bundle\FrameworkBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Adds extractors to the property_info service.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class PropertyInfoPass implements CompilerPassInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('property_info')) {
+            return;
+        }
+
+        $listExtractors = $this->findAndSortTaggedServices('property_info.list_extractor', $container);
+        $container->getDefinition('property_info')->replaceArgument(0, $listExtractors);
+
+        $typeExtractors = $this->findAndSortTaggedServices('property_info.type_extractor', $container);
+        $container->getDefinition('property_info')->replaceArgument(1, $typeExtractors);
+
+        $descriptionExtractors = $this->findAndSortTaggedServices('property_info.description_extractor', $container);
+        $container->getDefinition('property_info')->replaceArgument(2, $descriptionExtractors);
+
+        $accessExtractors = $this->findAndSortTaggedServices('property_info.access_extractor', $container);
+        $container->getDefinition('property_info')->replaceArgument(3, $accessExtractors);
+    }
+
+    /**
+     * Finds all services with the given tag name and order them by their priority.
+     *
+     * @param string           $tagName
+     * @param ContainerBuilder $container
+     *
+     * @return array
+     */
+    private function findAndSortTaggedServices($tagName, ContainerBuilder $container)
+    {
+        $services = $container->findTaggedServiceIds($tagName);
+
+        $sortedServices = array();
+        foreach ($services as $serviceId => $tags) {
+            foreach ($tags as $attributes) {
+                $priority = isset($attributes['priority']) ? $attributes['priority'] : 0;
+                $sortedServices[$priority][] = new Reference($serviceId);
+            }
+        }
+
+        if (empty($sortedServices)) {
+            return array();
+        }
+
+        krsort($sortedServices);
+
+        // Flatten the array
+        return call_user_func_array('array_merge', $sortedServices);
+    }
+}