YamlFileLoader.php in Zircon Profile 8

Namespace

Symfony\Component\Serializer\Mapping\Loader

File

vendor/symfony/serializer/Mapping/Loader/YamlFileLoader.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Serializer\Mapping\Loader;

use Symfony\Component\Serializer\Exception\MappingException;
use Symfony\Component\Serializer\Mapping\AttributeMetadata;
use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
use Symfony\Component\Yaml\Parser;

/**
 * YAML File Loader.
 *
 * @author Kévin Dunglas <[e-mail]>
 */
class YamlFileLoader extends FileLoader {
  private $yamlParser;

  /**
   * An array of YAML class descriptions.
   *
   * @var array
   */
  private $classes = null;

  /**
   * {@inheritdoc}
   */
  public function loadClassMetadata(ClassMetadataInterface $classMetadata) {
    if (null === $this->classes) {
      if (!stream_is_local($this->file)) {
        throw new MappingException(sprintf('This is not a local file "%s".', $this->file));
      }
      if (null === $this->yamlParser) {
        $this->yamlParser = new Parser();
      }
      $classes = $this->yamlParser
        ->parse(file_get_contents($this->file));
      if (empty($classes)) {
        return false;
      }

      // not an array
      if (!is_array($classes)) {
        throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
      }
      $this->classes = $classes;
    }
    if (isset($this->classes[$classMetadata
      ->getName()])) {
      $yaml = $this->classes[$classMetadata
        ->getName()];
      if (isset($yaml['attributes']) && is_array($yaml['attributes'])) {
        $attributesMetadata = $classMetadata
          ->getAttributesMetadata();
        foreach ($yaml['attributes'] as $attribute => $data) {
          if (isset($attributesMetadata[$attribute])) {
            $attributeMetadata = $attributesMetadata[$attribute];
          }
          else {
            $attributeMetadata = new AttributeMetadata($attribute);
            $classMetadata
              ->addAttributeMetadata($attributeMetadata);
          }
          if (isset($data['groups'])) {
            foreach ($data['groups'] as $group) {
              $attributeMetadata
                ->addGroup($group);
            }
          }
        }
      }
      return true;
    }
    return false;
  }

}

Classes

Name	Description
YamlFileLoader	YAML File Loader.