Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,40 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver; + +use Symfony\Component\HttpFoundation\Request; +use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface; +use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata; + +/** + * Yields the default value defined in the action signature when no value has been given. + * + * @author Iltar van der Berg <kjarli@gmail.com> + */ +final class DefaultValueResolver implements ArgumentValueResolverInterface +{ + /** + * {@inheritdoc} + */ + public function supports(Request $request, ArgumentMetadata $argument) + { + return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()); + } + + /** + * {@inheritdoc} + */ + public function resolve(Request $request, ArgumentMetadata $argument) + { + yield $argument->hasDefaultValue() ? $argument->getDefaultValue() : null; + } +}