www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/dependency-injection/Compiler/CheckExceptionOnInvalidReferenceBehaviorPass.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\DependencyInjection\Compiler;
  13
  14 use Symfony\Component\DependencyInjection\Definition;
  15 use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
  16 use Symfony\Component\DependencyInjection\ContainerInterface;
  17 use Symfony\Component\DependencyInjection\Reference;
  18 use Symfony\Component\DependencyInjection\ContainerBuilder;
  19
  20 /**
  21  * Checks that all references are pointing to a valid service.
  22  *
  23  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  24  */
  25 class CheckExceptionOnInvalidReferenceBehaviorPass implements CompilerPassInterface
  26 {
  27     private $container;
  28     private $sourceId;
  29
  30     public function process(ContainerBuilder $container)
  31     {
  32         $this->container = $container;
  33
  34         foreach ($container->getDefinitions() as $id => $definition) {
  35             $this->sourceId = $id;
  36             $this->processDefinition($definition);
  37         }
  38     }
  39
  40     private function processDefinition(Definition $definition)
  41     {
  42         $this->processReferences($definition->getArguments());
  43         $this->processReferences($definition->getMethodCalls());
  44         $this->processReferences($definition->getProperties());
  45     }
  46
  47     private function processReferences(array $arguments)
  48     {
  49         foreach ($arguments as $argument) {
  50             if (is_array($argument)) {
  51                 $this->processReferences($argument);
  52             } elseif ($argument instanceof Definition) {
  53                 $this->processDefinition($argument);
  54             } elseif ($argument instanceof Reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $argument->getInvalidBehavior()) {
  55                 $destId = (string) $argument;
  56
  57                 if (!$this->container->has($destId)) {
  58                     throw new ServiceNotFoundException($destId, $this->sourceId);
  59                 }
  60             }
  61         }
  62     }
  63 }