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   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\ContainerBuilder;
  15  use Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException;
  16  
  17  /**
  18   * Resolves all parameter placeholders "%somevalue%" to their real values.
  19   *
  20   * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  21   */
  22  class ResolveParameterPlaceHoldersPass implements CompilerPassInterface
  23  {
  24      /**
  25       * Processes the ContainerBuilder to resolve parameter placeholders.
  26       *
  27       * @throws ParameterNotFoundException
  28       */
  29      public function process(ContainerBuilder $container)
  30      {
  31          $parameterBag = $container->getParameterBag();
  32  
  33          foreach ($container->getDefinitions() as $id => $definition) {
  34              try {
  35                  $definition->setClass($parameterBag->resolveValue($definition->getClass()));
  36                  $definition->setFile($parameterBag->resolveValue($definition->getFile()));
  37                  $definition->setArguments($parameterBag->resolveValue($definition->getArguments()));
  38                  if ($definition->getFactoryClass(false)) {
  39                      $definition->setFactoryClass($parameterBag->resolveValue($definition->getFactoryClass(false)));
  40                  }
  41  
  42                  $factory = $definition->getFactory();
  43  
  44                  if (\is_array($factory) && isset($factory[0])) {
  45                      $factory[0] = $parameterBag->resolveValue($factory[0]);
  46                      $definition->setFactory($factory);
  47                  }
  48  
  49                  $calls = array();
  50                  foreach ($definition->getMethodCalls() as $name => $arguments) {
  51                      $calls[$parameterBag->resolveValue($name)] = $parameterBag->resolveValue($arguments);
  52                  }
  53                  $definition->setMethodCalls($calls);
  54  
  55                  $definition->setProperties($parameterBag->resolveValue($definition->getProperties()));
  56              } catch (ParameterNotFoundException $e) {
  57                  $e->setSourceId($id);
  58  
  59                  throw $e;
  60              }
  61          }
  62  
  63          $aliases = array();
  64          foreach ($container->getAliases() as $name => $target) {
  65              $aliases[$parameterBag->resolveValue($name)] = $target;
  66          }
  67          $container->setAliases($aliases);
  68  
  69          $parameterBag->resolve();
  70      }
  71  }