Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
Chris@14: 
Chris@14: use Psr\Container\ContainerInterface;
Chris@14: use Symfony\Component\HttpFoundation\Request;
Chris@14: use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
Chris@14: use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
Chris@14: 
Chris@14: /**
Chris@14:  * Yields a service keyed by _controller and argument name.
Chris@14:  *
Chris@14:  * @author Nicolas Grekas <p@tchwork.com>
Chris@14:  */
Chris@14: final class ServiceValueResolver implements ArgumentValueResolverInterface
Chris@14: {
Chris@14:     private $container;
Chris@14: 
Chris@14:     public function __construct(ContainerInterface $container)
Chris@14:     {
Chris@14:         $this->container = $container;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function supports(Request $request, ArgumentMetadata $argument)
Chris@14:     {
Chris@14:         $controller = $request->attributes->get('_controller');
Chris@14: 
Chris@14:         if (\is_array($controller) && \is_callable($controller, true) && \is_string($controller[0])) {
Chris@14:             $controller = $controller[0].'::'.$controller[1];
Chris@16:         } elseif (!\is_string($controller) || '' === $controller) {
Chris@16:             return false;
Chris@14:         }
Chris@14: 
Chris@16:         if ('\\' === $controller[0]) {
Chris@16:             $controller = ltrim($controller, '\\');
Chris@16:         }
Chris@16: 
Chris@17:         if (!$this->container->has($controller) && false !== $i = strrpos($controller, ':')) {
Chris@17:             $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
Chris@17:         }
Chris@17: 
Chris@16:         return $this->container->has($controller) && $this->container->get($controller)->has($argument->getName());
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function resolve(Request $request, ArgumentMetadata $argument)
Chris@14:     {
Chris@14:         if (\is_array($controller = $request->attributes->get('_controller'))) {
Chris@14:             $controller = $controller[0].'::'.$controller[1];
Chris@14:         }
Chris@14: 
Chris@16:         if ('\\' === $controller[0]) {
Chris@16:             $controller = ltrim($controller, '\\');
Chris@16:         }
Chris@16: 
Chris@17:         if (!$this->container->has($controller)) {
Chris@17:             $i = strrpos($controller, ':');
Chris@17:             $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
Chris@17:         }
Chris@17: 
Chris@14:         yield $this->container->get($controller)->get($argument->getName());
Chris@14:     }
Chris@14: }