Actualización

vendor/knplabs/knp-menu-bundle/src/DependencyInjection/Compiler/MenuBuilderPass.php

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+<?php
+
+namespace Knp\Bundle\MenuBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * This compiler pass registers the menu builders in the BuilderServiceProvider.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ *
+ * @internal
+ */
+class MenuBuilderPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('knp_menu.menu_provider.builder_service')) {
+            return;
+        }
+
+        $definition = $container->getDefinition('knp_menu.menu_provider.builder_service');
+
+        $menuBuilders = [];
+        foreach ($container->findTaggedServiceIds('knp_menu.menu_builder') as $id => $tags) {
+            $builderDefinition = $container->getDefinition($id);
+
+            if (!$builderDefinition->isPublic()) {
+                throw new \InvalidArgumentException(sprintf('Menu builder services must be public but "%s" is a private service.', $id));
+            }
+
+            if ($builderDefinition->isAbstract()) {
+                throw new \InvalidArgumentException(sprintf('Abstract services cannot be registered as menu builders but "%s" is.', $id));
+            }
+
+            foreach ($tags as $attributes) {
+                if (empty($attributes['alias'])) {
+                    throw new \InvalidArgumentException(sprintf('The alias is not defined in the "knp_menu.menu_builder" tag for the service "%s"', $id));
+                }
+                if (empty($attributes['method'])) {
+                    throw new \InvalidArgumentException(sprintf('The method is not defined in the "knp_menu.menu_builder" tag for the service "%s"', $id));
+                }
+                $menuBuilders[$attributes['alias']] = [$id, $attributes['method']];
+            }
+        }
+        $definition->replaceArgument(1, $menuBuilders);
+    }
+}