|
1
|
|
|
<?php declare(strict_types=1); |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @package s9e\SweetDOM |
|
5
|
|
|
* @copyright Copyright (c) The s9e authors |
|
6
|
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace s9e\SweetDOM; |
|
9
|
|
|
|
|
10
|
|
|
use DOMAttr; |
|
11
|
|
|
use DOMCharacterData; |
|
12
|
|
|
use DOMDocument; |
|
13
|
|
|
use DOMDocumentFragment; |
|
14
|
|
|
use DOMDocumentType; |
|
15
|
|
|
use DOMElement; |
|
16
|
|
|
use DOMEntity; |
|
17
|
|
|
use DOMEntityReference; |
|
18
|
|
|
use DOMNode; |
|
19
|
|
|
use DOMNodeList; |
|
20
|
|
|
use DOMNotation; |
|
21
|
|
|
use DOMProcessingInstruction; |
|
22
|
|
|
use DOMXPath; |
|
23
|
|
|
|
|
24
|
|
|
class NodeComparator |
|
25
|
|
|
{ |
|
26
|
|
|
// https://dom.spec.whatwg.org/#concept-node-equals |
|
27
|
|
|
// https://github.com/php/php-src/blob/master/ext/dom/node.c |
|
28
|
|
|
public static function isEqualNode(?DOMNode $node, ?DOMNode $otherNode): bool |
|
29
|
|
|
{ |
|
30
|
|
|
if (!isset($node, $otherNode) || $node->nodeType !== $otherNode->nodeType) |
|
31
|
|
|
{ |
|
32
|
|
|
return false; |
|
33
|
|
|
} |
|
34
|
|
|
$classes = [ |
|
35
|
|
|
'DOMElement', |
|
36
|
|
|
'DOMCharacterData', |
|
37
|
|
|
'DOMProcessingInstruction', |
|
38
|
|
|
'DOMAttr', |
|
39
|
|
|
'DOMDocument', |
|
40
|
|
|
'DOMDocumentFragment', |
|
41
|
|
|
'DOMDocumentType', |
|
42
|
|
|
'DOMEntityReference', |
|
43
|
|
|
'DOMEntity', |
|
44
|
|
|
'DOMNotation' |
|
45
|
|
|
]; |
|
46
|
|
|
foreach ($classes as $className) |
|
47
|
|
|
{ |
|
48
|
|
|
if ($node instanceof $className && $otherNode instanceof $className) |
|
49
|
|
|
{ |
|
50
|
|
|
$methodName = 'isEqual' . substr($className, 3); |
|
51
|
|
|
|
|
52
|
|
|
return static::$methodName($node, $otherNode); |
|
53
|
|
|
} |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
// @codeCoverageIgnoreStart |
|
57
|
|
|
return $node->isSameNode($otherNode); |
|
58
|
|
|
// @codeCoverageIgnoreEnd |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* @return array<string, string> |
|
63
|
|
|
*/ |
|
64
|
|
|
protected static function getNamespaceDeclarations(DOMElement $element): array |
|
65
|
|
|
{ |
|
66
|
|
|
$namespaces = []; |
|
67
|
|
|
$xpath = new DOMXPath($element->ownerDocument); |
|
68
|
|
|
foreach ($xpath->query('namespace::*', $element) as $node) |
|
69
|
|
|
{ |
|
70
|
|
|
if ($element->hasAttribute($node->nodeName)) |
|
71
|
|
|
{ |
|
72
|
|
|
$namespaces[$node->nodeName] = $node->nodeValue; |
|
73
|
|
|
} |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
return $namespaces; |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
protected static function hasEqualNamespaceDeclarations(DOMElement $element, DOMElement $otherElement): bool |
|
80
|
|
|
{ |
|
81
|
|
|
return static::getNamespaceDeclarations($element) == static::getNamespaceDeclarations($otherElement); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
protected static function isEqualAttr(DOMAttr $node, DOMAttr $otherNode): bool |
|
85
|
|
|
{ |
|
86
|
|
|
return $node->namespaceURI === $otherNode->namespaceURI |
|
87
|
|
|
&& $node->localName === $otherNode->localName |
|
88
|
|
|
&& $node->value === $otherNode->value; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
protected static function isEqualCharacterData(DOMCharacterData $node, DOMCharacterData $otherNode): bool |
|
92
|
|
|
{ |
|
93
|
|
|
// Covers DOMCdataSection, DOMComment, and DOMText |
|
94
|
|
|
return $node->data === $otherNode->data; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
protected static function isEqualDocument(DOMDocument $node, DOMDocument $otherNode): bool |
|
98
|
|
|
{ |
|
99
|
|
|
return static::isEqualNodeList($node->childNodes, $otherNode->childNodes); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
protected static function isEqualDocumentFragment(DOMDocumentFragment $node, DOMDocumentFragment $otherNode): bool |
|
103
|
|
|
{ |
|
104
|
|
|
return static::isEqualNodeList($node->childNodes, $otherNode->childNodes); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
protected static function isEqualDocumentType(DOMDocumentType $node, DOMDocumentType $otherNode): bool |
|
108
|
|
|
{ |
|
109
|
|
|
return $node->name === $otherNode->name |
|
110
|
|
|
&& $node->publicId === $otherNode->publicId |
|
111
|
|
|
&& $node->systemId === $otherNode->systemId; |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
protected static function isEqualElement(DOMElement $element, DOMElement $otherElement): bool |
|
115
|
|
|
{ |
|
116
|
|
|
if ($element->namespaceURI !== $otherElement->namespaceURI |
|
117
|
|
|
|| $element->nodeName !== $otherElement->nodeName |
|
118
|
|
|
|| $element->attributes->length !== $otherElement->attributes->length |
|
119
|
|
|
|| $element->childNodes->length !== $otherElement->childNodes->length) |
|
120
|
|
|
{ |
|
121
|
|
|
return false; |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
foreach ($element->attributes as $attribute) |
|
125
|
|
|
{ |
|
126
|
|
|
if ($attribute->value !== $otherElement->attributes->getNamedItem($attribute->name)?->value) |
|
127
|
|
|
{ |
|
128
|
|
|
return false; |
|
129
|
|
|
} |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
return static::isEqualNodeList($element->childNodes, $otherElement->childNodes) |
|
133
|
|
|
&& static::hasEqualNamespaceDeclarations($element, $otherElement); |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
protected static function isEqualEntity(DOMEntity $node, DOMEntity $otherNode): bool |
|
137
|
|
|
{ |
|
138
|
|
|
return $node->nodeName === $otherNode->nodeName |
|
139
|
|
|
&& $node->publicId === $otherNode->publicId |
|
140
|
|
|
&& $node->systemId === $otherNode->systemId; |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
|
|
protected static function isEqualEntityReference(DOMEntityReference $node, DOMEntityReference $otherNode): bool |
|
144
|
|
|
{ |
|
145
|
|
|
return $node->nodeName === $otherNode->nodeName; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
protected static function isEqualNodeList(DOMNodeList $list, DOMNodeList $otherList): bool |
|
149
|
|
|
{ |
|
150
|
|
|
if ($list->length !== $otherList->length) |
|
151
|
|
|
{ |
|
152
|
|
|
return false; |
|
153
|
|
|
} |
|
154
|
|
|
foreach ($list as $i => $node) |
|
155
|
|
|
{ |
|
156
|
|
|
if (!static::isEqualNode($node, $otherList->item($i))) |
|
157
|
|
|
{ |
|
158
|
|
|
return false; |
|
159
|
|
|
} |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
return true; |
|
163
|
|
|
} |
|
164
|
|
|
|
|
165
|
|
|
protected static function isEqualNotation(DOMNotation $node, DOMNotation $otherNode): bool |
|
166
|
|
|
{ |
|
167
|
|
|
return $node->nodeName === $otherNode->nodeName |
|
168
|
|
|
&& $node->publicId === $otherNode->publicId |
|
169
|
|
|
&& $node->systemId === $otherNode->systemId; |
|
170
|
|
|
} |
|
171
|
|
|
|
|
172
|
|
|
protected static function isEqualProcessingInstruction(DOMProcessingInstruction $node, DOMProcessingInstruction $otherNode): bool |
|
173
|
|
|
{ |
|
174
|
|
|
return $node->target === $otherNode->target && $node->data === $otherNode->data; |
|
175
|
|
|
} |
|
176
|
|
|
} |
s9e /
SweetDOM
