annotate vendor/symfony/serializer/Mapping/Loader/YamlFileLoader.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\Serializer\Mapping\Loader;
Chris@0 13
Chris@0 14 use Symfony\Component\Serializer\Exception\MappingException;
Chris@0 15 use Symfony\Component\Serializer\Mapping\AttributeMetadata;
Chris@0 16 use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
Chris@0 17 use Symfony\Component\Yaml\Parser;
Chris@0 18
Chris@0 19 /**
Chris@0 20 * YAML File Loader.
Chris@0 21 *
Chris@0 22 * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0 23 */
Chris@0 24 class YamlFileLoader extends FileLoader
Chris@0 25 {
Chris@0 26 private $yamlParser;
Chris@0 27
Chris@0 28 /**
Chris@0 29 * An array of YAML class descriptions.
Chris@0 30 *
Chris@0 31 * @var array
Chris@0 32 */
Chris@14 33 private $classes;
Chris@0 34
Chris@0 35 /**
Chris@0 36 * {@inheritdoc}
Chris@0 37 */
Chris@0 38 public function loadClassMetadata(ClassMetadataInterface $classMetadata)
Chris@0 39 {
Chris@0 40 if (null === $this->classes) {
Chris@0 41 $this->classes = $this->getClassesFromYaml();
Chris@0 42 }
Chris@0 43
Chris@0 44 if (!$this->classes) {
Chris@0 45 return false;
Chris@0 46 }
Chris@0 47
Chris@0 48 if (!isset($this->classes[$classMetadata->getName()])) {
Chris@0 49 return false;
Chris@0 50 }
Chris@0 51
Chris@0 52 $yaml = $this->classes[$classMetadata->getName()];
Chris@0 53
Chris@14 54 if (isset($yaml['attributes']) && \is_array($yaml['attributes'])) {
Chris@0 55 $attributesMetadata = $classMetadata->getAttributesMetadata();
Chris@0 56
Chris@0 57 foreach ($yaml['attributes'] as $attribute => $data) {
Chris@0 58 if (isset($attributesMetadata[$attribute])) {
Chris@0 59 $attributeMetadata = $attributesMetadata[$attribute];
Chris@0 60 } else {
Chris@0 61 $attributeMetadata = new AttributeMetadata($attribute);
Chris@0 62 $classMetadata->addAttributeMetadata($attributeMetadata);
Chris@0 63 }
Chris@0 64
Chris@0 65 if (isset($data['groups'])) {
Chris@14 66 if (!\is_array($data['groups'])) {
Chris@0 67 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, $classMetadata->getName()));
Chris@0 68 }
Chris@0 69
Chris@0 70 foreach ($data['groups'] as $group) {
Chris@14 71 if (!\is_string($group)) {
Chris@0 72 throw new MappingException(sprintf('Group names must be strings in "%s" for the attribute "%s" of the class "%s".', $this->file, $attribute, $classMetadata->getName()));
Chris@0 73 }
Chris@0 74
Chris@0 75 $attributeMetadata->addGroup($group);
Chris@0 76 }
Chris@0 77 }
Chris@0 78
Chris@0 79 if (isset($data['max_depth'])) {
Chris@17 80 if (!\is_int($data['max_depth'])) {
Chris@0 81 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()));
Chris@0 82 }
Chris@0 83
Chris@0 84 $attributeMetadata->setMaxDepth($data['max_depth']);
Chris@0 85 }
Chris@0 86 }
Chris@0 87 }
Chris@0 88
Chris@0 89 return true;
Chris@0 90 }
Chris@0 91
Chris@0 92 /**
Chris@0 93 * Return the names of the classes mapped in this file.
Chris@0 94 *
Chris@0 95 * @return string[] The classes names
Chris@0 96 */
Chris@0 97 public function getMappedClasses()
Chris@0 98 {
Chris@0 99 if (null === $this->classes) {
Chris@0 100 $this->classes = $this->getClassesFromYaml();
Chris@0 101 }
Chris@0 102
Chris@0 103 return array_keys($this->classes);
Chris@0 104 }
Chris@0 105
Chris@0 106 private function getClassesFromYaml()
Chris@0 107 {
Chris@0 108 if (!stream_is_local($this->file)) {
Chris@0 109 throw new MappingException(sprintf('This is not a local file "%s".', $this->file));
Chris@0 110 }
Chris@0 111
Chris@0 112 if (null === $this->yamlParser) {
Chris@0 113 $this->yamlParser = new Parser();
Chris@0 114 }
Chris@0 115
Chris@14 116 $classes = $this->yamlParser->parseFile($this->file);
Chris@0 117
Chris@0 118 if (empty($classes)) {
Chris@17 119 return [];
Chris@0 120 }
Chris@0 121
Chris@14 122 if (!\is_array($classes)) {
Chris@0 123 throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
Chris@0 124 }
Chris@0 125
Chris@0 126 return $classes;
Chris@0 127 }
Chris@0 128 }