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

90 lines
2.6 KiB
PHP

<?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\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 <dunglas@gmail.com>
*/
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;
}
}