Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Component\Serialization;
Chris@0: 
Chris@0: use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
Chris@0: use Symfony\Component\Yaml\Parser;
Chris@0: use Symfony\Component\Yaml\Dumper;
Chris@0: use Symfony\Component\Yaml\Yaml as SymfonyYaml;
Chris@0: 
Chris@0: /**
Chris@0:  * Default serialization for YAML using the Symfony component.
Chris@0:  */
Chris@0: class YamlSymfony implements SerializationInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function encode($data) {
Chris@0:     try {
Chris@0:       // Set the indentation to 2 to match Drupal's coding standards.
Chris@0:       $yaml = new Dumper(2);
Chris@0:       return $yaml->dump($data, PHP_INT_MAX, 0, SymfonyYaml::DUMP_EXCEPTION_ON_INVALID_TYPE);
Chris@0:     }
Chris@0:     catch (\Exception $e) {
Chris@0:       throw new InvalidDataTypeException($e->getMessage(), $e->getCode(), $e);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function decode($raw) {
Chris@0:     try {
Chris@0:       $yaml = new Parser();
Chris@0:       // Make sure we have a single trailing newline. A very simple config like
Chris@0:       // 'foo: bar' with no newline will fail to parse otherwise.
Chris@17:       return $yaml->parse($raw, SymfonyYaml::PARSE_EXCEPTION_ON_INVALID_TYPE);
Chris@0:     }
Chris@0:     catch (\Exception $e) {
Chris@0:       throw new InvalidDataTypeException($e->getMessage(), $e->getCode(), $e);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function getFileExtension() {
Chris@0:     return 'yml';
Chris@0:   }
Chris@0: 
Chris@0: }