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\Validator\Mapping\Cache;
Chris@0: 
Chris@0: use Psr\Cache\CacheItemPoolInterface;
Chris@0: use Symfony\Component\Validator\Mapping\ClassMetadata;
Chris@0: 
Chris@0: /**
Chris@0:  * PSR-6 adapter.
Chris@0:  *
Chris@0:  * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0:  */
Chris@0: class Psr6Cache implements CacheInterface
Chris@0: {
Chris@0:     private $cacheItemPool;
Chris@0: 
Chris@0:     public function __construct(CacheItemPoolInterface $cacheItemPool)
Chris@0:     {
Chris@0:         $this->cacheItemPool = $cacheItemPool;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function has($class)
Chris@0:     {
Chris@0:         return $this->cacheItemPool->hasItem($this->escapeClassName($class));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function read($class)
Chris@0:     {
Chris@0:         $item = $this->cacheItemPool->getItem($this->escapeClassName($class));
Chris@0: 
Chris@0:         if (!$item->isHit()) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         return $item->get();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function write(ClassMetadata $metadata)
Chris@0:     {
Chris@0:         $item = $this->cacheItemPool->getItem($this->escapeClassName($metadata->getClassName()));
Chris@0:         $item->set($metadata);
Chris@0: 
Chris@0:         $this->cacheItemPool->save($item);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Replaces backslashes by dots in a class name.
Chris@0:      *
Chris@0:      * @param string $class
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function escapeClassName($class)
Chris@0:     {
Chris@18:         if (false !== strpos($class, '@')) {
Chris@18:             // anonymous class: replace all PSR6-reserved characters
Chris@18:             return str_replace(["\0", '\\', '/', '@', ':', '{', '}', '(', ')'], '.', $class);
Chris@18:         }
Chris@18: 
Chris@0:         return str_replace('\\', '.', $class);
Chris@0:     }
Chris@0: }