www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/http-kernel/DependencyInjection/RemoveEmptyControllerArgumentLocatorsPass.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\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 }