/
YamlFileLoader.php
129 lines (104 loc) · 3.96 KB
/
YamlFileLoader.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
<?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\Serializer\Exception\MappingException;
use Symfony\Component\Serializer\Mapping\AttributeMetadata;
use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
use Symfony\Component\Yaml\Parser;
use Symfony\Component\Yaml\Yaml;
/**
* 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 = 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), Yaml::PARSE_KEYS_AS_STRINGS);
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;
}
}