90 lines
2.6 KiB
PHP
90 lines
2.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Mapping\Loader;
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use Symfony\Component\Serializer\Exception\MappingException;
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use Symfony\Component\Serializer\Mapping\AttributeMetadata;
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use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
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use Symfony\Component\Yaml\Parser;
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/**
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* YAML File Loader.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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class YamlFileLoader extends FileLoader
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{
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private $yamlParser;
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/**
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* An array of YAML class descriptions.
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*
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* @var array
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*/
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private $classes = null;
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/**
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* {@inheritdoc}
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*/
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public function loadClassMetadata(ClassMetadataInterface $classMetadata)
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{
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if (null === $this->classes) {
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if (!stream_is_local($this->file)) {
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throw new MappingException(sprintf('This is not a local file "%s".', $this->file));
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}
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if (null === $this->yamlParser) {
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$this->yamlParser = new Parser();
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}
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$classes = $this->yamlParser->parse(file_get_contents($this->file));
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if (empty($classes)) {
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return false;
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}
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// not an array
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if (!is_array($classes)) {
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throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
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}
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$this->classes = $classes;
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}
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if (isset($this->classes[$classMetadata->getName()])) {
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$yaml = $this->classes[$classMetadata->getName()];
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if (isset($yaml['attributes']) && is_array($yaml['attributes'])) {
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$attributesMetadata = $classMetadata->getAttributesMetadata();
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foreach ($yaml['attributes'] as $attribute => $data) {
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if (isset($attributesMetadata[$attribute])) {
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$attributeMetadata = $attributesMetadata[$attribute];
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} else {
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$attributeMetadata = new AttributeMetadata($attribute);
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$classMetadata->addAttributeMetadata($attributeMetadata);
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}
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if (isset($data['groups'])) {
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foreach ($data['groups'] as $group) {
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$attributeMetadata->addGroup($group);
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}
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}
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}
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}
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return true;
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}
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return false;
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}
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}
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