Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
Chris@0: 
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
Chris@0: use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
Chris@0: 
Chris@0: /**
Chris@0:  * Yields a variadic argument's values from the request attributes.
Chris@0:  *
Chris@0:  * @author Iltar van der Berg <kjarli@gmail.com>
Chris@0:  */
Chris@0: final class VariadicValueResolver implements ArgumentValueResolverInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supports(Request $request, ArgumentMetadata $argument)
Chris@0:     {
Chris@0:         return $argument->isVariadic() && $request->attributes->has($argument->getName());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function resolve(Request $request, ArgumentMetadata $argument)
Chris@0:     {
Chris@0:         $values = $request->attributes->get($argument->getName());
Chris@0: 
Chris@17:         if (!\is_array($values)) {
Chris@17:             throw new \InvalidArgumentException(sprintf('The action argument "...$%1$s" is required to be an array, the request attribute "%1$s" contains a type of "%2$s" instead.', $argument->getName(), \gettype($values)));
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($values as $value) {
Chris@0:             yield $value;
Chris@0:         }
Chris@0:     }
Chris@0: }