|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @link http://www.yiiframework.com/ |
|
4
|
|
|
* @copyright Copyright (c) 2008 Yii Software LLC |
|
5
|
|
|
* @license http://www.yiiframework.com/license/ |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace yii\web; |
|
9
|
|
|
|
|
10
|
|
|
use DOMDocument; |
|
11
|
|
|
use DOMElement; |
|
12
|
|
|
use DOMText; |
|
13
|
|
|
use DOMException; |
|
14
|
|
|
use yii\base\Arrayable; |
|
15
|
|
|
use yii\base\Component; |
|
16
|
|
|
use yii\helpers\StringHelper; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* XmlResponseFormatter formats the given data into an XML response content. |
|
20
|
|
|
* |
|
21
|
|
|
* It is used by [[Response]] to format response data. |
|
22
|
|
|
* |
|
23
|
|
|
* @author Qiang Xue <[email protected]> |
|
24
|
|
|
* @since 2.0 |
|
25
|
|
|
*/ |
|
26
|
|
|
class XmlResponseFormatter extends Component implements ResponseFormatterInterface |
|
27
|
|
|
{ |
|
28
|
|
|
/** |
|
29
|
|
|
* @var string the Content-Type header for the response |
|
30
|
|
|
*/ |
|
31
|
|
|
public $contentType = 'application/xml'; |
|
32
|
|
|
/** |
|
33
|
|
|
* @var string the XML version |
|
34
|
|
|
*/ |
|
35
|
|
|
public $version = '1.0'; |
|
36
|
|
|
/** |
|
37
|
|
|
* @var string the XML encoding. If not set, it will use the value of [[Response::charset]]. |
|
38
|
|
|
*/ |
|
39
|
|
|
public $encoding; |
|
40
|
|
|
/** |
|
41
|
|
|
* @var string the name of the root element. If set to false, null or is empty then no root tag should be added. |
|
42
|
|
|
*/ |
|
43
|
|
|
public $rootTag = 'response'; |
|
44
|
|
|
/** |
|
45
|
|
|
* @var string the name of the elements that represent the array elements with numeric keys. |
|
46
|
|
|
*/ |
|
47
|
|
|
public $itemTag = 'item'; |
|
48
|
|
|
/** |
|
49
|
|
|
* @var bool whether to interpret objects implementing the [[\Traversable]] interface as arrays. |
|
50
|
|
|
* Defaults to `true`. |
|
51
|
|
|
* @since 2.0.7 |
|
52
|
|
|
*/ |
|
53
|
|
|
public $useTraversableAsArray = true; |
|
54
|
|
|
/** |
|
55
|
|
|
* @var bool if object tags should be added |
|
56
|
|
|
* @since 2.0.11 |
|
57
|
|
|
*/ |
|
58
|
|
|
public $useObjectTags = true; |
|
59
|
|
|
|
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* Formats the specified response. |
|
63
|
|
|
* @param Response $response the response to be formatted. |
|
64
|
|
|
*/ |
|
65
|
20 |
|
public function format($response) |
|
66
|
|
|
{ |
|
67
|
20 |
|
$charset = $this->encoding === null ? $response->charset : $this->encoding; |
|
68
|
20 |
|
if (stripos($this->contentType, 'charset') === false) { |
|
69
|
20 |
|
$this->contentType .= '; charset=' . $charset; |
|
70
|
|
|
} |
|
71
|
20 |
|
$response->getHeaders()->set('Content-Type', $this->contentType); |
|
72
|
20 |
|
if ($response->data !== null) { |
|
73
|
19 |
|
$dom = new DOMDocument($this->version, $charset); |
|
74
|
19 |
|
if (!empty($this->rootTag)) { |
|
75
|
18 |
|
$root = new DOMElement($this->rootTag); |
|
76
|
18 |
|
$dom->appendChild($root); |
|
77
|
18 |
|
$this->buildXml($root, $response->data); |
|
78
|
|
|
} else { |
|
79
|
1 |
|
$this->buildXml($dom, $response->data); |
|
|
|
|
|
|
80
|
|
|
} |
|
81
|
19 |
|
$response->content = $dom->saveXML(); |
|
82
|
|
|
} |
|
83
|
20 |
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* @param DOMElement $element |
|
87
|
|
|
* @param mixed $data |
|
88
|
|
|
*/ |
|
89
|
19 |
|
protected function buildXml($element, $data) |
|
90
|
|
|
{ |
|
91
|
19 |
|
if (is_array($data) || |
|
92
|
13 |
|
($data instanceof \Traversable && $this->useTraversableAsArray && !$data instanceof Arrayable) |
|
93
|
|
|
) { |
|
94
|
12 |
|
foreach ($data as $name => $value) { |
|
95
|
11 |
|
if (is_int($name) && is_object($value)) { |
|
96
|
3 |
|
$this->buildXml($element, $value); |
|
97
|
11 |
|
} elseif (is_array($value) || is_object($value)) { |
|
98
|
3 |
|
$child = new DOMElement($this->getValidXmlElementName($name)); |
|
99
|
3 |
|
$element->appendChild($child); |
|
100
|
3 |
|
$this->buildXml($child, $value); |
|
101
|
|
|
} else { |
|
102
|
11 |
|
$child = new DOMElement($this->getValidXmlElementName($name)); |
|
103
|
11 |
|
$element->appendChild($child); |
|
104
|
12 |
|
$child->appendChild(new DOMText($this->formatScalarValue($value))); |
|
105
|
|
|
} |
|
106
|
|
|
} |
|
107
|
13 |
|
} elseif (is_object($data)) { |
|
108
|
6 |
|
if ($this->useObjectTags) { |
|
109
|
5 |
|
$child = new DOMElement(StringHelper::basename(get_class($data))); |
|
110
|
5 |
|
$element->appendChild($child); |
|
111
|
|
|
} else { |
|
112
|
1 |
|
$child = $element; |
|
113
|
|
|
} |
|
114
|
6 |
|
if ($data instanceof Arrayable) { |
|
115
|
1 |
|
$this->buildXml($child, $data->toArray()); |
|
116
|
|
|
} else { |
|
117
|
5 |
|
$array = []; |
|
118
|
5 |
|
foreach ($data as $name => $value) { |
|
119
|
5 |
|
$array[$name] = $value; |
|
120
|
|
|
} |
|
121
|
5 |
|
$this->buildXml($child, $array); |
|
122
|
|
|
} |
|
123
|
|
|
} else { |
|
124
|
7 |
|
$element->appendChild(new DOMText($this->formatScalarValue($data))); |
|
125
|
|
|
} |
|
126
|
19 |
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* Formats scalar value to use in XML text node |
|
130
|
|
|
* |
|
131
|
|
|
* @param int|string|bool $value |
|
132
|
|
|
* @return string |
|
133
|
|
|
* @since 2.0.11 |
|
134
|
|
|
*/ |
|
135
|
18 |
|
protected function formatScalarValue($value) |
|
136
|
|
|
{ |
|
137
|
18 |
|
if ($value === true) { |
|
138
|
2 |
|
return 'true'; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
17 |
|
if ($value === false) { |
|
142
|
2 |
|
return 'false'; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
16 |
|
return (string) $value; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
/** |
|
149
|
|
|
* Returns element name ready to be used in DOMElement if |
|
150
|
|
|
* name is not empty, is not int and is valid. |
|
151
|
|
|
* |
|
152
|
|
|
* Falls back to [[itemTag]] otherwise. |
|
153
|
|
|
* |
|
154
|
|
|
* @param mixed $name |
|
155
|
|
|
* @return string |
|
156
|
|
|
* @since 2.0.12 |
|
157
|
|
|
*/ |
|
158
|
11 |
|
protected function getValidXmlElementName($name) |
|
159
|
|
|
{ |
|
160
|
11 |
|
if (empty($name) || is_int($name) || !$this->isValidXmlName($name)) { |
|
161
|
4 |
|
return $this->itemTag; |
|
162
|
|
|
} |
|
163
|
9 |
|
return $name; |
|
164
|
|
|
} |
|
165
|
|
|
|
|
166
|
|
|
/** |
|
167
|
|
|
* Checks if name is valid to be used in XML |
|
168
|
|
|
* |
|
169
|
|
|
* @param mixed $name |
|
170
|
|
|
* @return bool |
|
171
|
|
|
* @see http://stackoverflow.com/questions/2519845/how-to-check-if-string-is-a-valid-xml-element-name/2519943#2519943 |
|
172
|
|
|
* @since 2.0.12 |
|
173
|
|
|
*/ |
|
174
|
9 |
|
protected function isValidXmlName($name) |
|
175
|
|
|
{ |
|
176
|
|
|
try { |
|
177
|
9 |
|
new DOMElement($name); |
|
178
|
9 |
|
return true; |
|
179
|
1 |
|
} catch (DOMException $e) { |
|
180
|
1 |
|
return false; |
|
181
|
|
|
} |
|
182
|
|
|
} |
|
183
|
|
|
} |
|
184
|
|
|
|
yiisoft /
yii2
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: