www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/dependency-injection/Compiler/ResolveServiceSubscribersPass.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 Psr\Container\ContainerInterface;
  15 use Symfony\Component\DependencyInjection\Definition;
  16 use Symfony\Component\DependencyInjection\Reference;
  17
  18 /**
  19  * Compiler pass to inject their service locator to service subscribers.
  20  *
  21  * @author Nicolas Grekas <p@tchwork.com>
  22  */
  23 class ResolveServiceSubscribersPass extends AbstractRecursivePass
  24 {
  25     private $serviceLocator;
  26
  27     protected function processValue($value, $isRoot = false)
  28     {
  29         if ($value instanceof Reference && $this->serviceLocator && ContainerInterface::class === $this->container->normalizeId($value)) {
  30             return new Reference($this->serviceLocator);
  31         }
  32
  33         if (!$value instanceof Definition) {
  34             return parent::processValue($value, $isRoot);
  35         }
  36
  37         $serviceLocator = $this->serviceLocator;
  38         $this->serviceLocator = null;
  39
  40         if ($value->hasTag('container.service_subscriber.locator')) {
  41             $this->serviceLocator = $value->getTag('container.service_subscriber.locator')[0]['id'];
  42             $value->clearTag('container.service_subscriber.locator');
  43         }
  44
  45         try {
  46             return parent::processValue($value);
  47         } finally {
  48             $this->serviceLocator = $serviceLocator;
  49         }
  50     }
  51 }