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/vendor/symfony/http-kernel/DependencyInjection/ -> RemoveEmptyControllerArgumentLocatorsPass.php (source)

   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\HttpKernel\DependencyInjection;
  13  
  14  use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
  15  use Symfony\Component\DependencyInjection\ContainerBuilder;
  16  
  17  /**
  18   * Removes empty service-locators registered for ServiceValueResolver.
  19   *
  20   * @author Nicolas Grekas <p@tchwork.com>
  21   */
  22  class RemoveEmptyControllerArgumentLocatorsPass implements CompilerPassInterface
  23  {
  24      private $resolverServiceId;
  25  
  26      public function __construct($resolverServiceId = 'argument_resolver.service')
  27      {
  28          $this->resolverServiceId = $resolverServiceId;
  29      }
  30  
  31      public function process(ContainerBuilder $container)
  32      {
  33          if (false === $container->hasDefinition($this->resolverServiceId)) {
  34              return;
  35          }
  36  
  37          $serviceResolver = $container->getDefinition($this->resolverServiceId);
  38          $controllerLocator = $container->getDefinition((string) $serviceResolver->getArgument(0));
  39          $controllers = $controllerLocator->getArgument(0);
  40  
  41          foreach ($controllers as $controller => $argumentRef) {
  42              $argumentLocator = $container->getDefinition((string) $argumentRef->getValues()[0]);
  43  
  44              if (!$argumentLocator->getArgument(0)) {
  45                  // remove empty argument locators
  46                  $reason = sprintf('Removing service-argument resolver for controller "%s": no corresponding services exist for the referenced types.', $controller);
  47              } else {
  48                  // any methods listed for call-at-instantiation cannot be actions
  49                  $reason = false;
  50                  $action = substr(strrchr($controller, ':'), 1);
  51                  $id = substr($controller, 0, -1 - \strlen($action));
  52                  $controllerDef = $container->getDefinition($id);
  53                  foreach ($controllerDef->getMethodCalls() as list($method)) {
  54                      if (0 === strcasecmp($action, $method)) {
  55                          $reason = sprintf('Removing method "%s" of service "%s" from controller candidates: the method is called at instantiation, thus cannot be an action.', $action, $id);
  56                          break;
  57                      }
  58                  }
  59                  if (!$reason) {
  60                      if ($controllerDef->getClass() === $id) {
  61                          $controllers[$id.'::'.$action] = $argumentRef;
  62                      }
  63                      if ('__invoke' === $action) {
  64                          $controllers[$id] = $argumentRef;
  65                      }
  66                      continue;
  67                  }
  68              }
  69  
  70              unset($controllers[$controller]);
  71              $container->log($this, $reason);
  72          }
  73  
  74          $controllerLocator->replaceArgument(0, $controllers);
  75      }
  76  }


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