[Summary view] [Print] [Text view]

   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\Alias;
  15  use Symfony\Component\DependencyInjection\ContainerBuilder;
  16  
  17  /**
  18   * Overwrites a service but keeps the overridden one.
  19   *
  20   * @author Christophe Coevoet <stof@notk.org>
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   * @author Diego Saint Esteben <diego@saintesteben.me>
  23   */
  24  class DecoratorServicePass implements CompilerPassInterface
  25  {
  26      public function process(ContainerBuilder $container)
  27      {
  28          $definitions = new \SplPriorityQueue();
  29          $order = PHP_INT_MAX;
  30  
  31          foreach ($container->getDefinitions() as $id => $definition) {
  32              if (!$decorated = $definition->getDecoratedService()) {
  33                  continue;
  34              }
  35              $definitions->insert(array($id, $definition), array($decorated[2], --$order));
  36          }
  37  
  38          foreach ($definitions as $arr) {
  39              list($id, $definition) = $arr;
  40              list($inner, $renamedId) = $definition->getDecoratedService();
  41  
  42              $definition->setDecoratedService(null);
  43  
  44              if (!$renamedId) {
  45                  $renamedId = $id.'.inner';
  46              }
  47  
  48              // we create a new alias/service for the service we are replacing
  49              // to be able to reference it in the new one
  50              if ($container->hasAlias($inner)) {
  51                  $alias = $container->getAlias($inner);
  52                  $public = $alias->isPublic();
  53                  $container->setAlias($renamedId, new Alias((string) $alias, false));
  54              } else {
  55                  $decoratedDefinition = $container->getDefinition($inner);
  56                  $definition->setTags(array_merge($decoratedDefinition->getTags(), $definition->getTags()));
  57                  $definition->setAutowiringTypes(array_merge($decoratedDefinition->getAutowiringTypes(), $definition->getAutowiringTypes()));
  58                  $public = $decoratedDefinition->isPublic();
  59                  $decoratedDefinition->setPublic(false);
  60                  $decoratedDefinition->setTags(array());
  61                  $decoratedDefinition->setAutowiringTypes(array());
  62                  $container->setDefinition($renamedId, $decoratedDefinition);
  63              }
  64  
  65              $container->setAlias($inner, new Alias($id, $public));
  66          }
  67      }
  68  }