|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @package s9e\TextFormatter |
|
5
|
|
|
* @copyright Copyright (c) 2010-2017 The s9e Authors |
|
6
|
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace s9e\TextFormatter\Configurator\TemplateNormalizations; |
|
9
|
|
|
|
|
10
|
|
|
use DOMAttr; |
|
11
|
|
|
use DOMComment; |
|
12
|
|
|
use DOMElement; |
|
13
|
|
|
use DOMNode; |
|
14
|
|
|
use DOMXPath; |
|
15
|
|
|
|
|
16
|
|
|
abstract class AbstractNormalization |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* XSL namespace |
|
20
|
|
|
*/ |
|
21
|
|
|
const XMLNS_XSL = 'http://www.w3.org/1999/XSL/Transform'; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @var bool Whether this normalization should be applied only once per template |
|
25
|
|
|
*/ |
|
26
|
|
|
public $onlyOnce = false; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @var DOMDocument Document that holds the template being normalized |
|
30
|
|
|
*/ |
|
31
|
|
|
protected $ownerDocument; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @var string[] XPath queries used to retrieve nodes of interest |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $queries = []; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @var DOMXPath |
|
40
|
|
|
*/ |
|
41
|
|
|
protected $xpath; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Apply this normalization rule to given template |
|
45
|
|
|
* |
|
46
|
|
|
* @param DOMElement $template <xsl:template/> node |
|
47
|
|
|
* @return void |
|
48
|
|
|
*/ |
|
49
|
|
|
public function normalize(DOMElement $template) |
|
50
|
|
|
{ |
|
51
|
|
|
$this->ownerDocument = $template->ownerDocument; |
|
52
|
|
|
$this->xpath = new DOMXPath($this->ownerDocument); |
|
53
|
|
|
foreach ($this->getNodes() as $node) |
|
54
|
|
|
{ |
|
55
|
|
|
$this->normalizeNode($node); |
|
56
|
|
|
} |
|
57
|
|
|
$this->reset(); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* Create an element in current template |
|
62
|
|
|
* |
|
63
|
|
|
* @param string $nodeName |
|
64
|
|
|
* @param string $textContent |
|
65
|
|
|
* @return DOMElement |
|
66
|
|
|
*/ |
|
67
|
|
|
protected function createElement($nodeName, $textContent = '') |
|
68
|
|
|
{ |
|
69
|
|
|
$value = htmlspecialchars($textContent, ENT_NOQUOTES, 'UTF-8'); |
|
70
|
|
|
$pos = strpos($nodeName, ':'); |
|
71
|
|
|
if ($pos === false) |
|
72
|
|
|
{ |
|
73
|
|
|
return $this->ownerDocument->createElement($nodeName, $value); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
$namespaceURI = $this->ownerDocument->lookupNamespaceURI(substr($nodeName, 0, $pos)); |
|
77
|
|
|
|
|
78
|
|
|
return $this->ownerDocument->createElementNS($namespaceURI, $nodeName, $value); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Create a text node in current template |
|
83
|
|
|
* |
|
84
|
|
|
* @param string $content |
|
85
|
|
|
* @return DOMText |
|
86
|
|
|
*/ |
|
87
|
|
|
protected function createTextNode($content) |
|
88
|
|
|
{ |
|
89
|
|
|
return $this->ownerDocument->createTextNode($content); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* Query and return a list of nodes of interest |
|
94
|
|
|
* |
|
95
|
|
|
* @return DOMNode[] |
|
96
|
|
|
*/ |
|
97
|
|
|
protected function getNodes() |
|
98
|
|
|
{ |
|
99
|
|
|
$query = implode(' | ', $this->queries); |
|
100
|
|
|
|
|
101
|
|
|
return ($query === '') ? [] : $this->xpath($query); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Test whether given node is an XSL element |
|
106
|
|
|
* |
|
107
|
|
|
* @param DOMNode $node |
|
108
|
|
|
* @param string $localName |
|
109
|
|
|
* @return bool |
|
110
|
|
|
*/ |
|
111
|
|
|
protected function isXsl(DOMNode $node, $localName = null) |
|
112
|
|
|
{ |
|
113
|
|
|
return ($node->namespaceURI === self::XMLNS_XSL && (!isset($localName) || $localName === $node->localName)); |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* Make an ASCII string lowercase |
|
118
|
|
|
* |
|
119
|
|
|
* @param string $str Original string |
|
120
|
|
|
* @return string Lowercased string |
|
121
|
|
|
*/ |
|
122
|
|
|
protected function lowercase($str) |
|
123
|
|
|
{ |
|
124
|
|
|
return strtr($str, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
/** |
|
128
|
|
|
* Normalize given attribute |
|
129
|
|
|
* |
|
130
|
|
|
* @param DOMAttr $attribute |
|
131
|
|
|
* @return void |
|
132
|
|
|
*/ |
|
133
|
|
|
protected function normalizeAttribute(DOMAttr $attribute) |
|
134
|
|
|
{ |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Normalize given element |
|
139
|
|
|
* |
|
140
|
|
|
* @param DOMElement $element |
|
141
|
|
|
* @return void |
|
142
|
|
|
*/ |
|
143
|
|
|
protected function normalizeElement(DOMElement $element) |
|
144
|
|
|
{ |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
/** |
|
148
|
|
|
* Normalize given node |
|
149
|
|
|
* |
|
150
|
|
|
* @param DOMNode $node |
|
151
|
|
|
* @return void |
|
152
|
|
|
*/ |
|
153
|
|
|
protected function normalizeNode(DOMNode $node) |
|
154
|
|
|
{ |
|
155
|
|
|
if (!$node->parentNode) |
|
156
|
|
|
{ |
|
157
|
|
|
// Ignore nodes that have been removed from the document |
|
158
|
|
|
return; |
|
159
|
|
|
} |
|
160
|
|
|
if ($node instanceof DOMElement) |
|
161
|
|
|
{ |
|
162
|
|
|
$this->normalizeElement($node); |
|
163
|
|
|
} |
|
164
|
|
|
elseif ($node instanceof DOMAttr) |
|
165
|
|
|
{ |
|
166
|
|
|
$this->normalizeAttribute($node); |
|
167
|
|
|
} |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
|
|
/** |
|
171
|
|
|
* Reset this instance's properties after usage |
|
172
|
|
|
* |
|
173
|
|
|
* @return void |
|
174
|
|
|
*/ |
|
175
|
|
|
protected function reset() |
|
176
|
|
|
{ |
|
177
|
|
|
$this->ownerDocument = null; |
|
178
|
|
|
$this->xpath = null; |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
/** |
|
182
|
|
|
* Evaluate given XPath expression |
|
183
|
|
|
* |
|
184
|
|
|
* For convenience, $XSL is replaced with the XSL namespace URI as a string |
|
185
|
|
|
* |
|
186
|
|
|
* @param string $query XPath query |
|
187
|
|
|
* @param DOMNode $node Context node |
|
188
|
|
|
* @return DOMNode[] |
|
189
|
|
|
*/ |
|
190
|
|
|
protected function xpath($query, DOMNode $node = null) |
|
191
|
|
|
{ |
|
192
|
|
|
$query = str_replace('$XSL', '"' . self::XMLNS_XSL . '"', $query); |
|
193
|
|
|
|
|
194
|
|
|
return iterator_to_array($this->xpath->query($query, $node)); |
|
195
|
|
|
} |
|
196
|
|
|
} |
s9e /
TextFormatter
