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- <?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\Config\Util\XmlUtils;
- use Symfony\Component\Serializer\Exception\MappingException;
- use Symfony\Component\Serializer\Mapping\AttributeMetadata;
- use Symfony\Component\Serializer\Mapping\ClassDiscriminatorMapping;
- use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
- /**
- * Loads XML mapping files.
- *
- * @author Kévin Dunglas <dunglas@gmail.com>
- */
- class XmlFileLoader extends FileLoader
- {
- /**
- * An array of {@class \SimpleXMLElement} instances.
- *
- * @var \SimpleXMLElement[]|null
- */
- private $classes;
- /**
- * {@inheritdoc}
- */
- public function loadClassMetadata(ClassMetadataInterface $classMetadata)
- {
- if (null === $this->classes) {
- $this->classes = $this->getClassesFromXml();
- }
- if (!$this->classes) {
- return false;
- }
- $attributesMetadata = $classMetadata->getAttributesMetadata();
- if (isset($this->classes[$classMetadata->getName()])) {
- $xml = $this->classes[$classMetadata->getName()];
- foreach ($xml->attribute as $attribute) {
- $attributeName = (string) $attribute['name'];
- if (isset($attributesMetadata[$attributeName])) {
- $attributeMetadata = $attributesMetadata[$attributeName];
- } else {
- $attributeMetadata = new AttributeMetadata($attributeName);
- $classMetadata->addAttributeMetadata($attributeMetadata);
- }
- foreach ($attribute->group as $group) {
- $attributeMetadata->addGroup((string) $group);
- }
- if (isset($attribute['max-depth'])) {
- $attributeMetadata->setMaxDepth((int) $attribute['max-depth']);
- }
- if (isset($attribute['serialized-name'])) {
- $attributeMetadata->setSerializedName((string) $attribute['serialized-name']);
- }
- if (isset($attribute['ignore'])) {
- $attributeMetadata->setIgnore((bool) $attribute['ignore']);
- }
- }
- if (isset($xml->{'discriminator-map'})) {
- $mapping = [];
- foreach ($xml->{'discriminator-map'}->mapping as $element) {
- $elementAttributes = $element->attributes();
- $mapping[(string) $elementAttributes->type] = (string) $elementAttributes->class;
- }
- $classMetadata->setClassDiscriminatorMapping(new ClassDiscriminatorMapping(
- (string) $xml->{'discriminator-map'}->attributes()->{'type-property'},
- $mapping
- ));
- }
- return true;
- }
- return false;
- }
- /**
- * Return the names of the classes mapped in this file.
- *
- * @return string[] The classes names
- */
- public function getMappedClasses()
- {
- if (null === $this->classes) {
- $this->classes = $this->getClassesFromXml();
- }
- return array_keys($this->classes);
- }
- /**
- * Parses an XML File.
- *
- * @throws MappingException
- */
- private function parseFile(string $file): \SimpleXMLElement
- {
- try {
- $dom = XmlUtils::loadFile($file, __DIR__.'/schema/dic/serializer-mapping/serializer-mapping-1.0.xsd');
- } catch (\Exception $e) {
- throw new MappingException($e->getMessage(), $e->getCode(), $e);
- }
- return simplexml_import_dom($dom);
- }
- private function getClassesFromXml(): array
- {
- $xml = $this->parseFile($this->file);
- $classes = [];
- foreach ($xml->class as $class) {
- $classes[(string) $class['name']] = $class;
- }
- return $classes;
- }
- }
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