Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\DependencyInjection\Compiler;
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\Definition;
Chris@0: use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: 
Chris@0: /**
Chris@0:  * Checks that all references are pointing to a valid service.
Chris@0:  *
Chris@0:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
Chris@0:  */
Chris@0: class CheckExceptionOnInvalidReferenceBehaviorPass implements CompilerPassInterface
Chris@0: {
Chris@0:     private $container;
Chris@0:     private $sourceId;
Chris@0: 
Chris@0:     public function process(ContainerBuilder $container)
Chris@0:     {
Chris@0:         $this->container = $container;
Chris@0: 
Chris@0:         foreach ($container->getDefinitions() as $id => $definition) {
Chris@0:             $this->sourceId = $id;
Chris@0:             $this->processDefinition($definition);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function processDefinition(Definition $definition)
Chris@0:     {
Chris@0:         $this->processReferences($definition->getArguments());
Chris@0:         $this->processReferences($definition->getMethodCalls());
Chris@0:         $this->processReferences($definition->getProperties());
Chris@0:     }
Chris@0: 
Chris@0:     private function processReferences(array $arguments)
Chris@0:     {
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 $this->processReferences($argument);
Chris@0:             } elseif ($argument instanceof Definition) {
Chris@0:                 $this->processDefinition($argument);
Chris@0:             } elseif ($argument instanceof Reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $argument->getInvalidBehavior()) {
Chris@0:                 $destId = (string) $argument;
Chris@0: 
Chris@0:                 if (!$this->container->has($destId)) {
Chris@0:                     throw new ServiceNotFoundException($destId, $this->sourceId);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: }