/usr/share/php/Symfony/Component/Serializer/Mapping/Loader/YamlFileLoader.php is in php-symfony-serializer 3.4.6+dfsg-1.
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/*
* 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;
/**
* {@inheritdoc}
*/
public function loadClassMetadata(ClassMetadataInterface $classMetadata)
{
if (null === $this->classes) {
$this->classes = $this->getClassesFromYaml();
}
if (!$this->classes) {
return false;
}
if (!isset($this->classes[$classMetadata->getName()])) {
return false;
}
$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($data['groups'])) {
if (!\is_array($data['groups'])) {
throw new MappingException(sprintf('The "groups" key must be an array of strings in "%s" for the attribute "%s" of the class "%s".', $this->file, $attribute, $classMetadata->getName()));
}
foreach ($data['groups'] as $group) {
if (!\is_string($group)) {
throw new MappingException(sprintf('Group names must be strings in "%s" for the attribute "%s" of the class "%s".', $this->file, $attribute, $classMetadata->getName()));
}
$attributeMetadata->addGroup($group);
}
}
if (isset($data['max_depth'])) {
if (!is_int($data['max_depth'])) {
throw new MappingException(sprintf('The "max_depth" value must be an integer in "%s" for the attribute "%s" of the class "%s".', $this->file, $attribute, $classMetadata->getName()));
}
$attributeMetadata->setMaxDepth($data['max_depth']);
}
}
}
return true;
}
/**
* Return the names of the classes mapped in this file.
*
* @return string[] The classes names
*/
public function getMappedClasses()
{
if (null === $this->classes) {
$this->classes = $this->getClassesFromYaml();
}
return array_keys($this->classes);
}
private function getClassesFromYaml()
{
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 = $this->yamlParser->parseFile($this->file);
if (empty($classes)) {
return array();
}
if (!\is_array($classes)) {
throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
}
return $classes;
}
}
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