comparison vendor/symfony/serializer/Mapping/Loader/YamlFileLoader.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * 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 <[e-mail]>
+ */
+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) {
+            $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 = $this->yamlParser->parse(file_get_contents($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;
+    }
+}