1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace FluidXml; |
4
|
|
|
|
5
|
|
|
/** |
6
|
|
|
* @method array array() |
7
|
|
|
* @method FluidXml namespace(...$arguments) |
8
|
|
|
*/ |
9
|
|
|
class FluidXml implements FluidInterface |
10
|
|
|
{ |
11
|
|
|
use FluidAliasesTrait, |
12
|
|
|
FluidSaveTrait, |
13
|
|
|
NewableTrait, |
14
|
|
|
ReservedCallTrait, // For compatibility with PHP 5.6. |
15
|
|
|
ReservedCallStaticTrait; // For compatibility with PHP 5.6. |
16
|
|
|
|
17
|
|
|
const ROOT_NODE = 'doc'; |
18
|
|
|
|
19
|
|
|
private $defaults = [ 'root' => self::ROOT_NODE, |
20
|
|
|
'version' => '1.0', |
21
|
|
|
'encoding' => 'UTF-8', |
22
|
|
|
'stylesheet' => null ]; |
23
|
|
|
|
24
|
|
|
private $document; |
25
|
|
|
private $handler; |
26
|
|
|
private $context; |
27
|
|
|
private $contextEl; |
28
|
|
|
|
29
|
1 |
|
public static function load($document) |
30
|
|
|
{ |
31
|
1 |
|
$file = $document; |
32
|
1 |
|
$document = \file_get_contents($file); |
33
|
|
|
|
34
|
|
|
// file_get_contents() returns false in case of error. |
35
|
1 |
|
if (! $document) { |
36
|
1 |
|
throw new \Exception("File '$file' not accessible."); |
37
|
|
|
} |
38
|
|
|
|
39
|
1 |
|
return (new FluidXml(null))->addChild($document); |
40
|
|
|
} |
41
|
|
|
|
42
|
1 |
|
public function __construct(...$arguments) |
43
|
|
|
{ |
44
|
|
|
// First, we parse the arguments detecting the options provided. |
45
|
|
|
// This options are needed to build the DOM, add the stylesheet |
46
|
|
|
// and to create the document root/structure. |
47
|
1 |
|
$options = $this->mergeOptions($arguments); |
48
|
|
|
|
49
|
|
|
// Having the options set, we can build the FluidDocument model |
50
|
|
|
// which incapsulates the DOM and the corresponding XPath instance. |
51
|
1 |
|
$document = new FluidDocument(); |
52
|
1 |
|
$document->dom = $this->newDom($options); |
53
|
1 |
|
$document->xpath = new \DOMXPath($document->dom); |
54
|
|
|
|
55
|
|
|
// After the FluidDocument model creation, we can proceed to build |
56
|
|
|
// the FluidInsertionHandler which requires the model to perform |
57
|
|
|
// its logics. |
58
|
1 |
|
$handler = new FluidInsertionHandler($document); |
59
|
|
|
|
60
|
|
|
// Ok, it's time to let them beeing visible along the instance. |
61
|
1 |
|
$this->document = $document; |
62
|
1 |
|
$this->handler = $handler; |
63
|
|
|
|
64
|
|
|
// Now, we can further populate the DOM with any stylesheet or child. |
65
|
1 |
|
$this->initStylesheet($options) |
66
|
1 |
|
->initRoot($options); |
67
|
1 |
|
} |
68
|
|
|
|
69
|
1 |
|
protected function mergeOptions(&$arguments) |
70
|
|
|
{ |
71
|
1 |
|
$options = $this->defaults; |
72
|
|
|
|
73
|
1 |
|
if (\count($arguments) > 0) { |
74
|
|
|
// The root option can be specified as first argument |
75
|
|
|
// because it is the most common. |
76
|
1 |
|
$options['root'] = $arguments[0]; |
77
|
|
|
} |
78
|
|
|
|
79
|
1 |
|
if (\count($arguments) > 1) { |
80
|
|
|
// Custom options can be specified only as second argument, |
81
|
|
|
// to avoid confusion with array to XML construction style. |
82
|
1 |
|
$options = \array_merge($options, $arguments[1]); |
83
|
|
|
} |
84
|
|
|
|
85
|
1 |
|
return $options; |
86
|
|
|
} |
87
|
|
|
|
88
|
1 |
|
private function newDom(&$options) |
89
|
|
|
{ |
90
|
1 |
|
$dom = new \DOMDocument($options['version'], $options['encoding']); |
91
|
1 |
|
$dom->formatOutput = true; |
92
|
1 |
|
$dom->preserveWhiteSpace = false; |
93
|
|
|
|
94
|
1 |
|
return $dom; |
95
|
|
|
} |
96
|
|
|
|
97
|
1 |
|
private function initStylesheet(&$options) |
98
|
|
|
{ |
99
|
1 |
|
if (! empty($options['stylesheet'])) { |
100
|
|
|
$attrs = 'type="text/xsl" ' |
101
|
1 |
|
. "encoding=\"{$options['encoding']}\" " |
102
|
1 |
|
. 'indent="yes" ' |
103
|
1 |
|
. "href=\"{$options['stylesheet']}\""; |
104
|
|
|
|
105
|
1 |
|
$stylesheet = new \DOMProcessingInstruction('xml-stylesheet', $attrs); |
106
|
|
|
|
107
|
1 |
|
$this->addChild($stylesheet); |
108
|
|
|
|
109
|
|
|
// Algorithm 2: |
110
|
|
|
// Used in case the order of the stylesheet and root creation is reversed. |
111
|
|
|
// $this->document->dom->insertBefore($stylesheet, $this->document->dom->documentElement); |
112
|
|
|
} |
113
|
|
|
|
114
|
1 |
|
return $this; |
115
|
|
|
} |
116
|
|
|
|
117
|
1 |
|
private function initRoot(&$options) |
118
|
|
|
{ |
119
|
1 |
|
if (! empty($options['root'])) { |
120
|
1 |
|
$this->appendSibling($options['root']); |
121
|
|
|
} |
122
|
|
|
|
123
|
1 |
|
return $this; |
124
|
|
|
} |
125
|
|
|
|
126
|
1 |
|
public function length() |
127
|
|
|
{ |
128
|
1 |
|
return \count($this->array()); |
129
|
|
|
} |
130
|
|
|
|
131
|
1 |
|
public function dom() |
132
|
|
|
{ |
133
|
1 |
|
return $this->document->dom; |
134
|
|
|
} |
135
|
|
|
|
136
|
|
|
// This method should be called 'array', |
137
|
|
|
// but for compatibility with PHP 5.6 |
138
|
|
|
// it is shadowed by the __call() method. |
139
|
1 |
|
public function array_() |
140
|
|
|
{ |
141
|
1 |
|
$el = $this->document->dom->documentElement; |
142
|
|
|
|
143
|
1 |
|
if ($el === null) { |
144
|
1 |
|
$el = $this->document->dom; |
145
|
|
|
} |
146
|
|
|
|
147
|
1 |
|
return [ $el ]; |
148
|
|
|
} |
149
|
|
|
|
150
|
1 |
|
public function __toString() |
151
|
|
|
{ |
152
|
1 |
|
return $this->xml(); |
153
|
|
|
} |
154
|
|
|
|
155
|
1 |
|
public function xml($strip = false) |
156
|
|
|
{ |
157
|
1 |
|
if ($strip) { |
158
|
1 |
|
return FluidHelper::domdocumentToStringWithoutHeaders($this->document->dom); |
159
|
|
|
} |
160
|
|
|
|
161
|
1 |
|
return $this->document->dom->saveXML(); |
162
|
|
|
} |
163
|
|
|
|
164
|
1 |
|
public function html($strip = false) |
165
|
|
|
{ |
166
|
1 |
|
$header = "<!DOCTYPE html>\n"; |
167
|
|
|
|
168
|
1 |
|
if ($strip) { |
169
|
1 |
|
$header = ''; |
170
|
|
|
} |
171
|
|
|
|
172
|
1 |
|
$html = FluidHelper::domdocumentToStringWithoutHeaders($this->document->dom, true); |
173
|
|
|
|
174
|
1 |
|
return "{$header}{$html}"; |
175
|
|
|
} |
176
|
|
|
|
177
|
1 |
|
public function namespaces() |
178
|
|
|
{ |
179
|
1 |
|
return $this->document->namespaces; |
180
|
|
|
} |
181
|
|
|
|
182
|
|
|
// This method should be called 'namespace', |
183
|
|
|
// but for compatibility with PHP 5.6 |
184
|
|
|
// it is shadowed by the __call() method. |
185
|
1 |
|
protected function namespace_(...$arguments) |
186
|
|
|
{ |
187
|
1 |
|
$namespaces = []; |
188
|
|
|
|
189
|
1 |
|
if (\is_string($arguments[0])) { |
190
|
1 |
|
$args = [ $arguments[0], $arguments[1] ]; |
191
|
|
|
|
192
|
1 |
|
if (isset($arguments[2])) { |
193
|
1 |
|
$args[] = $arguments[2]; |
194
|
|
|
} |
195
|
|
|
|
196
|
1 |
|
$namespaces[] = new FluidNamespace(...$args); |
197
|
|
|
} else { |
198
|
1 |
|
$namespaces = $arguments; |
199
|
|
|
} |
200
|
|
|
|
201
|
1 |
|
foreach ($namespaces as $n) { |
202
|
1 |
|
$this->document->namespaces[$n->id()] = $n; |
203
|
1 |
|
$this->document->xpath->registerNamespace($n->id(), $n->uri()); |
204
|
|
|
} |
205
|
|
|
|
206
|
1 |
|
return $this; |
207
|
|
|
} |
208
|
|
|
|
209
|
|
|
public function query(...$query) { return $this->context()->query(...$query); } |
210
|
|
|
public function times($times, callable $fn = null) { return $this->context()->times($times, $fn); } |
211
|
|
|
public function each(callable $fn) { return $this->context()->each($fn); } |
212
|
|
|
public function map(callable $fn) { return $this->context()->map($fn); } |
213
|
|
|
public function filter(callable $fn) { return $this->context()->filter($fn); } |
214
|
|
|
public function setAttribute($name, $value = null) { $this->context()->setAttribute($name, $value); return $this; } |
215
|
|
|
public function getText($glue = PHP_EOL) { return $this->context()->getText($glue); } |
216
|
|
|
public function setText($text) { $this->context()->setText($text); return $this; } |
217
|
|
|
public function addText($text) { $this->context()->addText($text); return $this; } |
218
|
|
|
public function setCdata($text) { $this->context()->setCdata($text); return $this; } |
219
|
|
|
public function addCdata($text) { $this->context()->addCdata($text); return $this; } |
220
|
|
|
public function setComment($text) { $this->context()->setComment($text); return $this; } |
221
|
|
|
public function addComment($text) { $this->context()->addComment($text); return $this; } |
222
|
|
|
public function remove(...$query) { $this->context()->remove(...$query); return $this; } |
223
|
|
|
|
224
|
1 |
|
public function addChild($child, ...$optionals) |
225
|
|
|
{ |
226
|
|
|
return $this->chooseContext(function($cx) use ($child, &$optionals) { |
227
|
1 |
|
return $cx->addChild($child, ...$optionals); |
228
|
1 |
|
}); |
229
|
|
|
} |
230
|
|
|
|
231
|
1 |
|
public function prependSibling($sibling, ...$optionals) |
232
|
|
|
{ |
233
|
|
|
return $this->chooseContext(function($cx) use ($sibling, &$optionals) { |
234
|
1 |
|
return $cx->prependSibling($sibling, ...$optionals); |
235
|
1 |
|
}); |
236
|
|
|
} |
237
|
|
|
|
238
|
|
|
public function appendSibling($sibling, ...$optionals) |
239
|
|
|
{ |
240
|
1 |
|
return $this->chooseContext(function($cx) use ($sibling, &$optionals) { |
241
|
1 |
|
return $cx->appendSibling($sibling, ...$optionals); |
242
|
1 |
|
}); |
243
|
|
|
} |
244
|
|
|
|
245
|
1 |
|
protected function context() |
246
|
|
|
{ |
247
|
1 |
|
$el = $this->document->dom->documentElement; |
248
|
|
|
|
249
|
1 |
|
if ($el === null) { |
250
|
|
|
// Whether there is not a root node |
251
|
|
|
// the DOMDocument is promoted as root node. |
252
|
1 |
|
$el = $this->document->dom; |
253
|
|
|
} |
254
|
|
|
|
255
|
1 |
|
if ($this->context === null || $el !== $this->contextEl) { |
256
|
|
|
// The user can prepend a root node to the current root node. |
257
|
|
|
// In this case we have to update the context with the new first root node. |
258
|
1 |
|
$this->context = new FluidContext($this->document, $this->handler, $el); |
259
|
1 |
|
$this->contextEl = $el; |
260
|
|
|
} |
261
|
|
|
|
262
|
1 |
|
return $this->context; |
263
|
|
|
} |
264
|
|
|
|
265
|
1 |
|
protected function chooseContext(\Closure $fn) |
266
|
|
|
{ |
267
|
|
|
// If the user has requested ['root' => null] at construction time |
268
|
|
|
// 'context()' promotes DOMDocument as root node. |
269
|
|
|
|
270
|
1 |
|
$context = $this->context(); |
271
|
1 |
|
$new_context = $fn($context); |
272
|
|
|
|
273
|
1 |
|
if ($context !== $new_context) { |
274
|
|
|
// If the two contextes are diffent, the user has requested |
275
|
|
|
// a switch of the context and we have to return it. |
276
|
1 |
|
return $new_context; |
277
|
|
|
} |
278
|
|
|
|
279
|
1 |
|
return $this; |
280
|
|
|
} |
281
|
|
|
} |
282
|
|
|
|