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\Serializer\Encoder;
Chris@0: 
Chris@14: use Symfony\Component\Serializer\Exception\RuntimeException;
Chris@0: use Symfony\Component\Yaml\Dumper;
Chris@0: use Symfony\Component\Yaml\Parser;
Chris@0: 
Chris@0: /**
Chris@0:  * Encodes YAML data.
Chris@0:  *
Chris@0:  * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0:  */
Chris@0: class YamlEncoder implements EncoderInterface, DecoderInterface
Chris@0: {
Chris@0:     const FORMAT = 'yaml';
Chris@0: 
Chris@0:     private $dumper;
Chris@0:     private $parser;
Chris@17:     private $defaultContext = ['yaml_inline' => 0, 'yaml_indent' => 0, 'yaml_flags' => 0];
Chris@0: 
Chris@17:     public function __construct(Dumper $dumper = null, Parser $parser = null, array $defaultContext = [])
Chris@0:     {
Chris@14:         if (!class_exists(Dumper::class)) {
Chris@14:             throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
Chris@14:         }
Chris@14: 
Chris@0:         $this->dumper = $dumper ?: new Dumper();
Chris@0:         $this->parser = $parser ?: new Parser();
Chris@0:         $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function encode($data, $format, array $context = [])
Chris@0:     {
Chris@0:         $context = array_merge($this->defaultContext, $context);
Chris@0: 
Chris@0:         return $this->dumper->dump($data, $context['yaml_inline'], $context['yaml_indent'], $context['yaml_flags']);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supportsEncoding($format)
Chris@0:     {
Chris@0:         return self::FORMAT === $format;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function decode($data, $format, array $context = [])
Chris@0:     {
Chris@0:         $context = array_merge($this->defaultContext, $context);
Chris@0: 
Chris@0:         return $this->parser->parse($data, $context['yaml_flags']);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supportsDecoding($format)
Chris@0:     {
Chris@0:         return self::FORMAT === $format;
Chris@0:     }
Chris@0: }