|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright (c) 2018 Justin Kuenzel (jukusoft.com) |
|
4
|
|
|
* |
|
5
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
6
|
|
|
* you may not use this file except in compliance with the License. |
|
7
|
|
|
* You may obtain a copy of the License at |
|
8
|
|
|
* |
|
9
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
10
|
|
|
* |
|
11
|
|
|
* Unless required by applicable law or agreed to in writing, software |
|
12
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
13
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
14
|
|
|
* See the License for the specific language governing permissions and |
|
15
|
|
|
* limitations under the License. |
|
16
|
|
|
*/ |
|
17
|
|
|
|
|
18
|
|
|
# |
|
19
|
|
|
# |
|
20
|
|
|
# Parsedown |
|
21
|
|
|
# http://parsedown.org |
|
22
|
|
|
# |
|
23
|
|
|
# (c) Emanuil Rusev |
|
24
|
|
|
# http://erusev.com |
|
25
|
|
|
# |
|
26
|
|
|
# For the full license information, view the LICENSE file that was distributed |
|
27
|
|
|
# with this source code. |
|
28
|
|
|
# |
|
29
|
|
|
# |
|
30
|
|
|
|
|
31
|
|
|
class Parsedown |
|
32
|
|
|
{ |
|
33
|
|
|
# ~ |
|
34
|
|
|
|
|
35
|
|
|
const version = '1.7.1'; |
|
36
|
|
|
|
|
37
|
|
|
# ~ |
|
38
|
|
|
|
|
39
|
|
|
function text($text) |
|
|
|
|
|
|
40
|
|
|
{ |
|
41
|
|
|
# make sure no definitions are set |
|
42
|
|
|
$this->DefinitionData = array(); |
|
43
|
|
|
|
|
44
|
|
|
# standardize line breaks |
|
45
|
|
|
$text = str_replace(array("\r\n", "\r"), "\n", $text); |
|
46
|
|
|
|
|
47
|
|
|
# remove surrounding line breaks |
|
48
|
|
|
$text = trim($text, "\n"); |
|
49
|
|
|
|
|
50
|
|
|
# split text into lines |
|
51
|
|
|
$lines = explode("\n", $text); |
|
52
|
|
|
|
|
53
|
|
|
# iterate through lines to identify blocks |
|
54
|
|
|
$markup = $this->lines($lines); |
|
55
|
|
|
|
|
56
|
|
|
# trim line breaks |
|
57
|
|
|
$markup = trim($markup, "\n"); |
|
58
|
|
|
|
|
59
|
|
|
return $markup; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
# |
|
63
|
|
|
# Setters |
|
64
|
|
|
# |
|
65
|
|
|
|
|
66
|
|
|
function setBreaksEnabled(bool $breaksEnabled) |
|
|
|
|
|
|
67
|
|
|
{ |
|
68
|
|
|
$this->breaksEnabled = $breaksEnabled; |
|
69
|
|
|
|
|
70
|
|
|
return $this; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
protected $breaksEnabled; |
|
74
|
|
|
|
|
75
|
|
|
function setMarkupEscaped(bool $markupEscaped) |
|
76
|
|
|
{ |
|
77
|
|
|
$this->markupEscaped = $markupEscaped; |
|
78
|
|
|
|
|
79
|
|
|
return $this; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
protected $markupEscaped; |
|
83
|
|
|
|
|
84
|
|
|
function setUrlsLinked(bool $urlsLinked) |
|
85
|
|
|
{ |
|
86
|
|
|
$this->urlsLinked = $urlsLinked; |
|
87
|
|
|
|
|
88
|
|
|
return $this; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
protected $urlsLinked = true; |
|
92
|
|
|
|
|
93
|
|
|
function setSafeMode(bool $safeMode) |
|
94
|
|
|
{ |
|
95
|
|
|
$this->safeMode = (bool) $safeMode; |
|
96
|
|
|
|
|
97
|
|
|
return $this; |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
protected $safeMode; |
|
101
|
|
|
|
|
102
|
|
|
protected $safeLinksWhitelist = array( |
|
103
|
|
|
'http://', |
|
104
|
|
|
'https://', |
|
105
|
|
|
'ftp://', |
|
106
|
|
|
'ftps://', |
|
107
|
|
|
'mailto:', |
|
108
|
|
|
'data:image/png;base64,', |
|
109
|
|
|
'data:image/gif;base64,', |
|
110
|
|
|
'data:image/jpeg;base64,', |
|
111
|
|
|
'irc:', |
|
112
|
|
|
'ircs:', |
|
113
|
|
|
'git:', |
|
114
|
|
|
'ssh:', |
|
115
|
|
|
'news:', |
|
116
|
|
|
'steam:', |
|
117
|
|
|
); |
|
118
|
|
|
|
|
119
|
|
|
# |
|
120
|
|
|
# Lines |
|
121
|
|
|
# |
|
122
|
|
|
|
|
123
|
|
|
protected $BlockTypes = array( |
|
124
|
|
|
'#' => array('Header'), |
|
125
|
|
|
'*' => array('Rule', 'List'), |
|
126
|
|
|
'+' => array('List'), |
|
127
|
|
|
'-' => array('SetextHeader', 'Table', 'Rule', 'List'), |
|
128
|
|
|
'0' => array('List'), |
|
129
|
|
|
'1' => array('List'), |
|
130
|
|
|
'2' => array('List'), |
|
131
|
|
|
'3' => array('List'), |
|
132
|
|
|
'4' => array('List'), |
|
133
|
|
|
'5' => array('List'), |
|
134
|
|
|
'6' => array('List'), |
|
135
|
|
|
'7' => array('List'), |
|
136
|
|
|
'8' => array('List'), |
|
137
|
|
|
'9' => array('List'), |
|
138
|
|
|
':' => array('Table'), |
|
139
|
|
|
'<' => array('Comment', 'Markup'), |
|
140
|
|
|
'=' => array('SetextHeader'), |
|
141
|
|
|
'>' => array('Quote'), |
|
142
|
|
|
'[' => array('Reference'), |
|
143
|
|
|
'_' => array('Rule'), |
|
144
|
|
|
'`' => array('FencedCode'), |
|
145
|
|
|
'|' => array('Table'), |
|
146
|
|
|
'~' => array('FencedCode'), |
|
147
|
|
|
); |
|
148
|
|
|
|
|
149
|
|
|
# ~ |
|
150
|
|
|
|
|
151
|
|
|
protected $unmarkedBlockTypes = array( |
|
152
|
|
|
'Code', |
|
153
|
|
|
); |
|
154
|
|
|
|
|
155
|
|
|
# |
|
156
|
|
|
# Blocks |
|
157
|
|
|
# |
|
158
|
|
|
|
|
159
|
|
|
protected function lines(array $lines) |
|
160
|
|
|
{ |
|
161
|
|
|
$CurrentBlock = null; |
|
162
|
|
|
|
|
163
|
|
|
foreach ($lines as $line) |
|
164
|
|
|
{ |
|
165
|
|
|
if (chop($line) === '') |
|
166
|
|
|
{ |
|
167
|
|
|
if (isset($CurrentBlock)) |
|
168
|
|
|
{ |
|
169
|
|
|
$CurrentBlock['interrupted'] = true; |
|
170
|
|
|
} |
|
171
|
|
|
|
|
172
|
|
|
continue; |
|
173
|
|
|
} |
|
174
|
|
|
|
|
175
|
|
|
if (strpos($line, "\t") !== false) |
|
176
|
|
|
{ |
|
177
|
|
|
$parts = explode("\t", $line); |
|
178
|
|
|
|
|
179
|
|
|
$line = $parts[0]; |
|
180
|
|
|
|
|
181
|
|
|
unset($parts[0]); |
|
182
|
|
|
|
|
183
|
|
|
foreach ($parts as $part) |
|
184
|
|
|
{ |
|
185
|
|
|
$shortage = 4 - mb_strlen($line, 'utf-8') % 4; |
|
186
|
|
|
|
|
187
|
|
|
$line .= str_repeat(' ', $shortage); |
|
188
|
|
|
$line .= $part; |
|
189
|
|
|
} |
|
190
|
|
|
} |
|
191
|
|
|
|
|
192
|
|
|
$indent = 0; |
|
193
|
|
|
|
|
194
|
|
|
while (isset($line[$indent]) and $line[$indent] === ' ') |
|
195
|
|
|
{ |
|
196
|
|
|
$indent ++; |
|
197
|
|
|
} |
|
198
|
|
|
|
|
199
|
|
|
$text = $indent > 0 ? substr($line, $indent) : $line; |
|
200
|
|
|
|
|
201
|
|
|
# ~ |
|
202
|
|
|
|
|
203
|
|
|
$Line = array('body' => $line, 'indent' => $indent, 'text' => $text); |
|
204
|
|
|
|
|
205
|
|
|
# ~ |
|
206
|
|
|
|
|
207
|
|
|
if (isset($CurrentBlock['continuable'])) |
|
208
|
|
|
{ |
|
209
|
|
|
$Block = $this->{'block'.$CurrentBlock['type'].'Continue'}($Line, $CurrentBlock); |
|
210
|
|
|
|
|
211
|
|
|
if (isset($Block)) |
|
212
|
|
|
{ |
|
213
|
|
|
$CurrentBlock = $Block; |
|
214
|
|
|
|
|
215
|
|
|
continue; |
|
216
|
|
|
} |
|
217
|
|
|
else |
|
218
|
|
|
{ |
|
219
|
|
|
if ($this->isBlockCompletable($CurrentBlock['type'])) |
|
220
|
|
|
{ |
|
221
|
|
|
$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock); |
|
222
|
|
|
} |
|
223
|
|
|
} |
|
224
|
|
|
} |
|
225
|
|
|
|
|
226
|
|
|
# ~ |
|
227
|
|
|
|
|
228
|
|
|
$marker = $text[0]; |
|
229
|
|
|
|
|
230
|
|
|
# ~ |
|
231
|
|
|
|
|
232
|
|
|
$blockTypes = $this->unmarkedBlockTypes; |
|
233
|
|
|
|
|
234
|
|
|
if (isset($this->BlockTypes[$marker])) |
|
235
|
|
|
{ |
|
236
|
|
|
foreach ($this->BlockTypes[$marker] as $blockType) |
|
237
|
|
|
{ |
|
238
|
|
|
$blockTypes []= $blockType; |
|
239
|
|
|
} |
|
240
|
|
|
} |
|
241
|
|
|
|
|
242
|
|
|
# |
|
243
|
|
|
# ~ |
|
244
|
|
|
|
|
245
|
|
|
foreach ($blockTypes as $blockType) |
|
246
|
|
|
{ |
|
247
|
|
|
$Block = $this->{'block'.$blockType}($Line, $CurrentBlock); |
|
248
|
|
|
|
|
249
|
|
|
if (isset($Block)) |
|
250
|
|
|
{ |
|
251
|
|
|
$Block['type'] = $blockType; |
|
252
|
|
|
|
|
253
|
|
|
if ( ! isset($Block['identified'])) |
|
254
|
|
|
{ |
|
255
|
|
|
$Blocks []= $CurrentBlock; |
|
256
|
|
|
|
|
257
|
|
|
$Block['identified'] = true; |
|
258
|
|
|
} |
|
259
|
|
|
|
|
260
|
|
|
if ($this->isBlockContinuable($blockType)) |
|
261
|
|
|
{ |
|
262
|
|
|
$Block['continuable'] = true; |
|
263
|
|
|
} |
|
264
|
|
|
|
|
265
|
|
|
$CurrentBlock = $Block; |
|
266
|
|
|
|
|
267
|
|
|
continue 2; |
|
268
|
|
|
} |
|
269
|
|
|
} |
|
270
|
|
|
|
|
271
|
|
|
# ~ |
|
272
|
|
|
|
|
273
|
|
|
if (isset($CurrentBlock) and ! isset($CurrentBlock['type']) and ! isset($CurrentBlock['interrupted'])) |
|
274
|
|
|
{ |
|
275
|
|
|
$CurrentBlock['element']['text'] .= "\n".$text; |
|
276
|
|
|
} |
|
277
|
|
|
else |
|
278
|
|
|
{ |
|
279
|
|
|
$Blocks []= $CurrentBlock; |
|
280
|
|
|
|
|
281
|
|
|
$CurrentBlock = $this->paragraph($Line); |
|
282
|
|
|
|
|
283
|
|
|
$CurrentBlock['identified'] = true; |
|
284
|
|
|
} |
|
285
|
|
|
} |
|
286
|
|
|
|
|
287
|
|
|
# ~ |
|
288
|
|
|
|
|
289
|
|
|
if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type'])) |
|
290
|
|
|
{ |
|
291
|
|
|
$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock); |
|
292
|
|
|
} |
|
293
|
|
|
|
|
294
|
|
|
# ~ |
|
295
|
|
|
|
|
296
|
|
|
$Blocks []= $CurrentBlock; |
|
297
|
|
|
|
|
298
|
|
|
unset($Blocks[0]); |
|
299
|
|
|
|
|
300
|
|
|
# ~ |
|
301
|
|
|
|
|
302
|
|
|
$markup = ''; |
|
303
|
|
|
|
|
304
|
|
|
foreach ($Blocks as $Block) |
|
305
|
|
|
{ |
|
306
|
|
|
if (isset($Block['hidden'])) |
|
307
|
|
|
{ |
|
308
|
|
|
continue; |
|
309
|
|
|
} |
|
310
|
|
|
|
|
311
|
|
|
$markup .= "\n"; |
|
312
|
|
|
$markup .= isset($Block['markup']) ? $Block['markup'] : $this->element($Block['element']); |
|
313
|
|
|
} |
|
314
|
|
|
|
|
315
|
|
|
$markup .= "\n"; |
|
316
|
|
|
|
|
317
|
|
|
# ~ |
|
318
|
|
|
|
|
319
|
|
|
return $markup; |
|
320
|
|
|
} |
|
321
|
|
|
|
|
322
|
|
|
protected function isBlockContinuable($Type) |
|
323
|
|
|
{ |
|
324
|
|
|
return method_exists($this, 'block'.$Type.'Continue'); |
|
325
|
|
|
} |
|
326
|
|
|
|
|
327
|
|
|
protected function isBlockCompletable($Type) |
|
328
|
|
|
{ |
|
329
|
|
|
return method_exists($this, 'block'.$Type.'Complete'); |
|
330
|
|
|
} |
|
331
|
|
|
|
|
332
|
|
|
# |
|
333
|
|
|
# Code |
|
334
|
|
|
|
|
335
|
|
|
protected function blockCode($Line, $Block = null) |
|
336
|
|
|
{ |
|
337
|
|
|
if (isset($Block) and ! isset($Block['type']) and ! isset($Block['interrupted'])) |
|
338
|
|
|
{ |
|
339
|
|
|
return; |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
if ($Line['indent'] >= 4) |
|
343
|
|
|
{ |
|
344
|
|
|
$text = substr($Line['body'], 4); |
|
345
|
|
|
|
|
346
|
|
|
$Block = array( |
|
347
|
|
|
'element' => array( |
|
348
|
|
|
'name' => 'pre', |
|
349
|
|
|
'handler' => 'element', |
|
350
|
|
|
'text' => array( |
|
351
|
|
|
'name' => 'code', |
|
352
|
|
|
'text' => $text, |
|
353
|
|
|
), |
|
354
|
|
|
), |
|
355
|
|
|
); |
|
356
|
|
|
|
|
357
|
|
|
return $Block; |
|
358
|
|
|
} |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
protected function blockCodeContinue($Line, $Block) |
|
362
|
|
|
{ |
|
363
|
|
|
if ($Line['indent'] >= 4) |
|
364
|
|
|
{ |
|
365
|
|
|
if (isset($Block['interrupted'])) |
|
366
|
|
|
{ |
|
367
|
|
|
$Block['element']['text']['text'] .= "\n"; |
|
368
|
|
|
|
|
369
|
|
|
unset($Block['interrupted']); |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
$Block['element']['text']['text'] .= "\n"; |
|
373
|
|
|
|
|
374
|
|
|
$text = substr($Line['body'], 4); |
|
375
|
|
|
|
|
376
|
|
|
$Block['element']['text']['text'] .= $text; |
|
377
|
|
|
|
|
378
|
|
|
return $Block; |
|
379
|
|
|
} |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
protected function blockCodeComplete($Block) |
|
383
|
|
|
{ |
|
384
|
|
|
$text = $Block['element']['text']['text']; |
|
385
|
|
|
|
|
386
|
|
|
$Block['element']['text']['text'] = $text; |
|
387
|
|
|
|
|
388
|
|
|
return $Block; |
|
389
|
|
|
} |
|
390
|
|
|
|
|
391
|
|
|
# |
|
392
|
|
|
# Comment |
|
393
|
|
|
|
|
394
|
|
|
protected function blockComment($Line) |
|
395
|
|
|
{ |
|
396
|
|
|
if ($this->markupEscaped or $this->safeMode) |
|
397
|
|
|
{ |
|
398
|
|
|
return; |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
if (isset($Line['text'][3]) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!') |
|
402
|
|
|
{ |
|
403
|
|
|
$Block = array( |
|
404
|
|
|
'markup' => $Line['body'], |
|
405
|
|
|
); |
|
406
|
|
|
|
|
407
|
|
|
if (preg_match('/-->$/', $Line['text'])) |
|
408
|
|
|
{ |
|
409
|
|
|
$Block['closed'] = true; |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
return $Block; |
|
413
|
|
|
} |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
protected function blockCommentContinue($Line, array $Block) |
|
417
|
|
|
{ |
|
418
|
|
|
if (isset($Block['closed'])) |
|
419
|
|
|
{ |
|
420
|
|
|
return; |
|
421
|
|
|
} |
|
422
|
|
|
|
|
423
|
|
|
$Block['markup'] .= "\n" . $Line['body']; |
|
424
|
|
|
|
|
425
|
|
|
if (preg_match('/-->$/', $Line['text'])) |
|
426
|
|
|
{ |
|
427
|
|
|
$Block['closed'] = true; |
|
428
|
|
|
} |
|
429
|
|
|
|
|
430
|
|
|
return $Block; |
|
431
|
|
|
} |
|
432
|
|
|
|
|
433
|
|
|
# |
|
434
|
|
|
# Fenced Code |
|
435
|
|
|
|
|
436
|
|
|
protected function blockFencedCode($Line) |
|
437
|
|
|
{ |
|
438
|
|
|
if (preg_match('/^['.$Line['text'][0].']{3,}[ ]*([^`]+)?[ ]*$/', $Line['text'], $matches)) |
|
439
|
|
|
{ |
|
440
|
|
|
$Element = array( |
|
441
|
|
|
'name' => 'code', |
|
442
|
|
|
'text' => '', |
|
443
|
|
|
); |
|
444
|
|
|
|
|
445
|
|
|
if (isset($matches[1])) |
|
446
|
|
|
{ |
|
447
|
|
|
$class = 'language-'.$matches[1]; |
|
448
|
|
|
|
|
449
|
|
|
$Element['attributes'] = array( |
|
450
|
|
|
'class' => $class, |
|
451
|
|
|
); |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
$Block = array( |
|
455
|
|
|
'char' => $Line['text'][0], |
|
456
|
|
|
'element' => array( |
|
457
|
|
|
'name' => 'pre', |
|
458
|
|
|
'handler' => 'element', |
|
459
|
|
|
'text' => $Element, |
|
460
|
|
|
), |
|
461
|
|
|
); |
|
462
|
|
|
|
|
463
|
|
|
return $Block; |
|
464
|
|
|
} |
|
465
|
|
|
} |
|
466
|
|
|
|
|
467
|
|
|
protected function blockFencedCodeContinue($Line, $Block) |
|
468
|
|
|
{ |
|
469
|
|
|
if (isset($Block['complete'])) |
|
470
|
|
|
{ |
|
471
|
|
|
return; |
|
472
|
|
|
} |
|
473
|
|
|
|
|
474
|
|
|
if (isset($Block['interrupted'])) |
|
475
|
|
|
{ |
|
476
|
|
|
$Block['element']['text']['text'] .= "\n"; |
|
477
|
|
|
|
|
478
|
|
|
unset($Block['interrupted']); |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
if (preg_match('/^'.$Block['char'].'{3,}[ ]*$/', $Line['text'])) |
|
482
|
|
|
{ |
|
483
|
|
|
$Block['element']['text']['text'] = substr($Block['element']['text']['text'], 1); |
|
484
|
|
|
|
|
485
|
|
|
$Block['complete'] = true; |
|
486
|
|
|
|
|
487
|
|
|
return $Block; |
|
488
|
|
|
} |
|
489
|
|
|
|
|
490
|
|
|
$Block['element']['text']['text'] .= "\n".$Line['body']; |
|
491
|
|
|
|
|
492
|
|
|
return $Block; |
|
493
|
|
|
} |
|
494
|
|
|
|
|
495
|
|
|
protected function blockFencedCodeComplete($Block) |
|
496
|
|
|
{ |
|
497
|
|
|
$text = $Block['element']['text']['text']; |
|
498
|
|
|
|
|
499
|
|
|
$Block['element']['text']['text'] = $text; |
|
500
|
|
|
|
|
501
|
|
|
return $Block; |
|
502
|
|
|
} |
|
503
|
|
|
|
|
504
|
|
|
# |
|
505
|
|
|
# Header |
|
506
|
|
|
|
|
507
|
|
|
protected function blockHeader($Line) |
|
508
|
|
|
{ |
|
509
|
|
|
if (isset($Line['text'][1])) |
|
510
|
|
|
{ |
|
511
|
|
|
$level = 1; |
|
512
|
|
|
|
|
513
|
|
|
while (isset($Line['text'][$level]) and $Line['text'][$level] === '#') |
|
514
|
|
|
{ |
|
515
|
|
|
$level ++; |
|
516
|
|
|
} |
|
517
|
|
|
|
|
518
|
|
|
if ($level > 6) |
|
519
|
|
|
{ |
|
520
|
|
|
return; |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
$text = trim($Line['text'], '# '); |
|
524
|
|
|
|
|
525
|
|
|
$Block = array( |
|
526
|
|
|
'element' => array( |
|
527
|
|
|
'name' => 'h' . min(6, $level), |
|
528
|
|
|
'text' => $text, |
|
529
|
|
|
'handler' => 'line', |
|
530
|
|
|
), |
|
531
|
|
|
); |
|
532
|
|
|
|
|
533
|
|
|
return $Block; |
|
534
|
|
|
} |
|
535
|
|
|
} |
|
536
|
|
|
|
|
537
|
|
|
# |
|
538
|
|
|
# List |
|
539
|
|
|
|
|
540
|
|
|
protected function blockList($Line) |
|
541
|
|
|
{ |
|
542
|
|
|
list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]+[.]'); |
|
543
|
|
|
|
|
544
|
|
|
if (preg_match('/^('.$pattern.'[ ]+)(.*)/', $Line['text'], $matches)) |
|
545
|
|
|
{ |
|
546
|
|
|
$Block = array( |
|
547
|
|
|
'indent' => $Line['indent'], |
|
548
|
|
|
'pattern' => $pattern, |
|
549
|
|
|
'element' => array( |
|
550
|
|
|
'name' => $name, |
|
551
|
|
|
'handler' => 'elements', |
|
552
|
|
|
), |
|
553
|
|
|
); |
|
554
|
|
|
|
|
555
|
|
|
if($name === 'ol') |
|
556
|
|
|
{ |
|
557
|
|
|
$listStart = stristr($matches[0], '.', true); |
|
558
|
|
|
|
|
559
|
|
|
if($listStart !== '1') |
|
560
|
|
|
{ |
|
561
|
|
|
$Block['element']['attributes'] = array('start' => $listStart); |
|
562
|
|
|
} |
|
563
|
|
|
} |
|
564
|
|
|
|
|
565
|
|
|
$Block['li'] = array( |
|
566
|
|
|
'name' => 'li', |
|
567
|
|
|
'handler' => 'li', |
|
568
|
|
|
'text' => array( |
|
569
|
|
|
$matches[2], |
|
570
|
|
|
), |
|
571
|
|
|
); |
|
572
|
|
|
|
|
573
|
|
|
$Block['element']['text'] []= & $Block['li']; |
|
574
|
|
|
|
|
575
|
|
|
return $Block; |
|
576
|
|
|
} |
|
577
|
|
|
} |
|
578
|
|
|
|
|
579
|
|
|
protected function blockListContinue($Line, array $Block) |
|
580
|
|
|
{ |
|
581
|
|
|
if ($Block['indent'] === $Line['indent'] and preg_match('/^'.$Block['pattern'].'(?:[ ]+(.*)|$)/', $Line['text'], $matches)) |
|
582
|
|
|
{ |
|
583
|
|
|
if (isset($Block['interrupted'])) |
|
584
|
|
|
{ |
|
585
|
|
|
$Block['li']['text'] []= ''; |
|
586
|
|
|
|
|
587
|
|
|
$Block['loose'] = true; |
|
588
|
|
|
|
|
589
|
|
|
unset($Block['interrupted']); |
|
590
|
|
|
} |
|
591
|
|
|
|
|
592
|
|
|
unset($Block['li']); |
|
593
|
|
|
|
|
594
|
|
|
$text = isset($matches[1]) ? $matches[1] : ''; |
|
595
|
|
|
|
|
596
|
|
|
$Block['li'] = array( |
|
597
|
|
|
'name' => 'li', |
|
598
|
|
|
'handler' => 'li', |
|
599
|
|
|
'text' => array( |
|
600
|
|
|
$text, |
|
601
|
|
|
), |
|
602
|
|
|
); |
|
603
|
|
|
|
|
604
|
|
|
$Block['element']['text'] []= & $Block['li']; |
|
605
|
|
|
|
|
606
|
|
|
return $Block; |
|
607
|
|
|
} |
|
608
|
|
|
|
|
609
|
|
|
if ($Line['text'][0] === '[' and $this->blockReference($Line)) |
|
610
|
|
|
{ |
|
611
|
|
|
return $Block; |
|
612
|
|
|
} |
|
613
|
|
|
|
|
614
|
|
|
if ( ! isset($Block['interrupted'])) |
|
615
|
|
|
{ |
|
616
|
|
|
$text = preg_replace('/^[ ]{0,4}/', '', $Line['body']); |
|
617
|
|
|
|
|
618
|
|
|
$Block['li']['text'] []= $text; |
|
619
|
|
|
|
|
620
|
|
|
return $Block; |
|
621
|
|
|
} |
|
622
|
|
|
|
|
623
|
|
|
if ($Line['indent'] > 0) |
|
624
|
|
|
{ |
|
625
|
|
|
$Block['li']['text'] []= ''; |
|
626
|
|
|
|
|
627
|
|
|
$text = preg_replace('/^[ ]{0,4}/', '', $Line['body']); |
|
628
|
|
|
|
|
629
|
|
|
$Block['li']['text'] []= $text; |
|
630
|
|
|
|
|
631
|
|
|
unset($Block['interrupted']); |
|
632
|
|
|
|
|
633
|
|
|
return $Block; |
|
634
|
|
|
} |
|
635
|
|
|
} |
|
636
|
|
|
|
|
637
|
|
|
protected function blockListComplete(array $Block) |
|
638
|
|
|
{ |
|
639
|
|
|
if (isset($Block['loose'])) |
|
640
|
|
|
{ |
|
641
|
|
|
foreach ($Block['element']['text'] as &$li) |
|
642
|
|
|
{ |
|
643
|
|
|
if (end($li['text']) !== '') |
|
644
|
|
|
{ |
|
645
|
|
|
$li['text'] []= ''; |
|
646
|
|
|
} |
|
647
|
|
|
} |
|
648
|
|
|
} |
|
649
|
|
|
|
|
650
|
|
|
return $Block; |
|
651
|
|
|
} |
|
652
|
|
|
|
|
653
|
|
|
# |
|
654
|
|
|
# Quote |
|
655
|
|
|
|
|
656
|
|
|
protected function blockQuote($Line) |
|
657
|
|
|
{ |
|
658
|
|
|
if (preg_match('/^>[ ]?(.*)/', $Line['text'], $matches)) |
|
659
|
|
|
{ |
|
660
|
|
|
$Block = array( |
|
661
|
|
|
'element' => array( |
|
662
|
|
|
'name' => 'blockquote', |
|
663
|
|
|
'handler' => 'lines', |
|
664
|
|
|
'text' => (array) $matches[1], |
|
665
|
|
|
), |
|
666
|
|
|
); |
|
667
|
|
|
|
|
668
|
|
|
return $Block; |
|
669
|
|
|
} |
|
670
|
|
|
} |
|
671
|
|
|
|
|
672
|
|
|
protected function blockQuoteContinue($Line, array $Block) |
|
673
|
|
|
{ |
|
674
|
|
|
if ($Line['text'][0] === '>' and preg_match('/^>[ ]?(.*)/', $Line['text'], $matches)) |
|
675
|
|
|
{ |
|
676
|
|
|
if (isset($Block['interrupted'])) |
|
677
|
|
|
{ |
|
678
|
|
|
$Block['element']['text'] []= ''; |
|
679
|
|
|
|
|
680
|
|
|
unset($Block['interrupted']); |
|
681
|
|
|
} |
|
682
|
|
|
|
|
683
|
|
|
$Block['element']['text'] []= $matches[1]; |
|
684
|
|
|
|
|
685
|
|
|
return $Block; |
|
686
|
|
|
} |
|
687
|
|
|
|
|
688
|
|
|
if ( ! isset($Block['interrupted'])) |
|
689
|
|
|
{ |
|
690
|
|
|
$Block['element']['text'] []= $Line['text']; |
|
691
|
|
|
|
|
692
|
|
|
return $Block; |
|
693
|
|
|
} |
|
694
|
|
|
} |
|
695
|
|
|
|
|
696
|
|
|
# |
|
697
|
|
|
# Rule |
|
698
|
|
|
|
|
699
|
|
|
protected function blockRule($Line) |
|
700
|
|
|
{ |
|
701
|
|
|
if (preg_match('/^(['.$Line['text'][0].'])([ ]*\1){2,}[ ]*$/', $Line['text'])) |
|
702
|
|
|
{ |
|
703
|
|
|
$Block = array( |
|
704
|
|
|
'element' => array( |
|
705
|
|
|
'name' => 'hr' |
|
706
|
|
|
), |
|
707
|
|
|
); |
|
708
|
|
|
|
|
709
|
|
|
return $Block; |
|
710
|
|
|
} |
|
711
|
|
|
} |
|
712
|
|
|
|
|
713
|
|
|
# |
|
714
|
|
|
# Setext |
|
715
|
|
|
|
|
716
|
|
|
protected function blockSetextHeader($Line, array $Block = null) |
|
717
|
|
|
{ |
|
718
|
|
|
if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted'])) |
|
719
|
|
|
{ |
|
720
|
|
|
return; |
|
721
|
|
|
} |
|
722
|
|
|
|
|
723
|
|
|
if (chop($Line['text'], $Line['text'][0]) === '') |
|
724
|
|
|
{ |
|
725
|
|
|
$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2'; |
|
726
|
|
|
|
|
727
|
|
|
return $Block; |
|
728
|
|
|
} |
|
729
|
|
|
} |
|
730
|
|
|
|
|
731
|
|
|
# |
|
732
|
|
|
# Markup |
|
733
|
|
|
|
|
734
|
|
|
protected function blockMarkup($Line) |
|
735
|
|
|
{ |
|
736
|
|
|
if ($this->markupEscaped or $this->safeMode) |
|
737
|
|
|
{ |
|
738
|
|
|
return; |
|
739
|
|
|
} |
|
740
|
|
|
|
|
741
|
|
|
if (preg_match('/^<(\w[\w-]*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches)) |
|
742
|
|
|
{ |
|
743
|
|
|
$element = strtolower($matches[1]); |
|
744
|
|
|
|
|
745
|
|
|
if (in_array($element, $this->textLevelElements)) |
|
746
|
|
|
{ |
|
747
|
|
|
return; |
|
748
|
|
|
} |
|
749
|
|
|
|
|
750
|
|
|
$Block = array( |
|
751
|
|
|
'name' => $matches[1], |
|
752
|
|
|
'depth' => 0, |
|
753
|
|
|
'markup' => $Line['text'], |
|
754
|
|
|
); |
|
755
|
|
|
|
|
756
|
|
|
$length = strlen($matches[0]); |
|
757
|
|
|
|
|
758
|
|
|
$remainder = substr($Line['text'], $length); |
|
759
|
|
|
|
|
760
|
|
|
if (trim($remainder) === '') |
|
761
|
|
|
{ |
|
762
|
|
|
if (isset($matches[2]) or in_array($matches[1], $this->voidElements)) |
|
763
|
|
|
{ |
|
764
|
|
|
$Block['closed'] = true; |
|
765
|
|
|
|
|
766
|
|
|
$Block['void'] = true; |
|
767
|
|
|
} |
|
768
|
|
|
} |
|
769
|
|
|
else |
|
770
|
|
|
{ |
|
771
|
|
|
if (isset($matches[2]) or in_array($matches[1], $this->voidElements)) |
|
772
|
|
|
{ |
|
773
|
|
|
return; |
|
774
|
|
|
} |
|
775
|
|
|
|
|
776
|
|
|
if (preg_match('/<\/'.$matches[1].'>[ ]*$/i', $remainder)) |
|
777
|
|
|
{ |
|
778
|
|
|
$Block['closed'] = true; |
|
779
|
|
|
} |
|
780
|
|
|
} |
|
781
|
|
|
|
|
782
|
|
|
return $Block; |
|
783
|
|
|
} |
|
784
|
|
|
} |
|
785
|
|
|
|
|
786
|
|
|
protected function blockMarkupContinue($Line, array $Block) |
|
787
|
|
|
{ |
|
788
|
|
|
if (isset($Block['closed'])) |
|
789
|
|
|
{ |
|
790
|
|
|
return; |
|
791
|
|
|
} |
|
792
|
|
|
|
|
793
|
|
|
if (preg_match('/^<'.$Block['name'].'(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*>/i', $Line['text'])) # open |
|
794
|
|
|
{ |
|
795
|
|
|
$Block['depth'] ++; |
|
796
|
|
|
} |
|
797
|
|
|
|
|
798
|
|
|
if (preg_match('/(.*?)<\/'.$Block['name'].'>[ ]*$/i', $Line['text'], $matches)) # close |
|
799
|
|
|
{ |
|
800
|
|
|
if ($Block['depth'] > 0) |
|
801
|
|
|
{ |
|
802
|
|
|
$Block['depth'] --; |
|
803
|
|
|
} |
|
804
|
|
|
else |
|
805
|
|
|
{ |
|
806
|
|
|
$Block['closed'] = true; |
|
807
|
|
|
} |
|
808
|
|
|
} |
|
809
|
|
|
|
|
810
|
|
|
if (isset($Block['interrupted'])) |
|
811
|
|
|
{ |
|
812
|
|
|
$Block['markup'] .= "\n"; |
|
813
|
|
|
|
|
814
|
|
|
unset($Block['interrupted']); |
|
815
|
|
|
} |
|
816
|
|
|
|
|
817
|
|
|
$Block['markup'] .= "\n".$Line['body']; |
|
818
|
|
|
|
|
819
|
|
|
return $Block; |
|
820
|
|
|
} |
|
821
|
|
|
|
|
822
|
|
|
# |
|
823
|
|
|
# Reference |
|
824
|
|
|
|
|
825
|
|
|
protected function blockReference($Line) |
|
826
|
|
|
{ |
|
827
|
|
|
if (preg_match('/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches)) |
|
828
|
|
|
{ |
|
829
|
|
|
$id = strtolower($matches[1]); |
|
830
|
|
|
|
|
831
|
|
|
$Data = array( |
|
832
|
|
|
'url' => $matches[2], |
|
833
|
|
|
'title' => null, |
|
834
|
|
|
); |
|
835
|
|
|
|
|
836
|
|
|
if (isset($matches[3])) |
|
837
|
|
|
{ |
|
838
|
|
|
$Data['title'] = $matches[3]; |
|
839
|
|
|
} |
|
840
|
|
|
|
|
841
|
|
|
$this->DefinitionData['Reference'][$id] = $Data; |
|
842
|
|
|
|
|
843
|
|
|
$Block = array( |
|
844
|
|
|
'hidden' => true, |
|
845
|
|
|
); |
|
846
|
|
|
|
|
847
|
|
|
return $Block; |
|
848
|
|
|
} |
|
849
|
|
|
} |
|
850
|
|
|
|
|
851
|
|
|
# |
|
852
|
|
|
# Table |
|
853
|
|
|
|
|
854
|
|
|
protected function blockTable($Line, array $Block = null) |
|
855
|
|
|
{ |
|
856
|
|
|
if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted'])) |
|
857
|
|
|
{ |
|
858
|
|
|
return; |
|
859
|
|
|
} |
|
860
|
|
|
|
|
861
|
|
|
if (strpos($Block['element']['text'], '|') !== false and chop($Line['text'], ' -:|') === '') |
|
862
|
|
|
{ |
|
863
|
|
|
$alignments = array(); |
|
864
|
|
|
|
|
865
|
|
|
$divider = $Line['text']; |
|
866
|
|
|
|
|
867
|
|
|
$divider = trim($divider); |
|
868
|
|
|
$divider = trim($divider, '|'); |
|
869
|
|
|
|
|
870
|
|
|
$dividerCells = explode('|', $divider); |
|
871
|
|
|
|
|
872
|
|
|
foreach ($dividerCells as $dividerCell) |
|
873
|
|
|
{ |
|
874
|
|
|
$dividerCell = trim($dividerCell); |
|
875
|
|
|
|
|
876
|
|
|
if ($dividerCell === '') |
|
877
|
|
|
{ |
|
878
|
|
|
continue; |
|
879
|
|
|
} |
|
880
|
|
|
|
|
881
|
|
|
$alignment = null; |
|
882
|
|
|
|
|
883
|
|
|
if ($dividerCell[0] === ':') |
|
884
|
|
|
{ |
|
885
|
|
|
$alignment = 'left'; |
|
886
|
|
|
} |
|
887
|
|
|
|
|
888
|
|
|
if (substr($dividerCell, - 1) === ':') |
|
889
|
|
|
{ |
|
890
|
|
|
$alignment = $alignment === 'left' ? 'center' : 'right'; |
|
891
|
|
|
} |
|
892
|
|
|
|
|
893
|
|
|
$alignments []= $alignment; |
|
894
|
|
|
} |
|
895
|
|
|
|
|
896
|
|
|
# ~ |
|
897
|
|
|
|
|
898
|
|
|
$HeaderElements = array(); |
|
899
|
|
|
|
|
900
|
|
|
$header = $Block['element']['text']; |
|
901
|
|
|
|
|
902
|
|
|
$header = trim($header); |
|
903
|
|
|
$header = trim($header, '|'); |
|
904
|
|
|
|
|
905
|
|
|
$headerCells = explode('|', $header); |
|
906
|
|
|
|
|
907
|
|
|
foreach ($headerCells as $index => $headerCell) |
|
908
|
|
|
{ |
|
909
|
|
|
$headerCell = trim($headerCell); |
|
910
|
|
|
|
|
911
|
|
|
$HeaderElement = array( |
|
912
|
|
|
'name' => 'th', |
|
913
|
|
|
'text' => $headerCell, |
|
914
|
|
|
'handler' => 'line', |
|
915
|
|
|
); |
|
916
|
|
|
|
|
917
|
|
|
if (isset($alignments[$index])) |
|
918
|
|
|
{ |
|
919
|
|
|
$alignment = $alignments[$index]; |
|
920
|
|
|
|
|
921
|
|
|
$HeaderElement['attributes'] = array( |
|
922
|
|
|
'style' => 'text-align: '.$alignment.';', |
|
923
|
|
|
); |
|
924
|
|
|
} |
|
925
|
|
|
|
|
926
|
|
|
$HeaderElements []= $HeaderElement; |
|
927
|
|
|
} |
|
928
|
|
|
|
|
929
|
|
|
# ~ |
|
930
|
|
|
|
|
931
|
|
|
$Block = array( |
|
932
|
|
|
'alignments' => $alignments, |
|
933
|
|
|
'identified' => true, |
|
934
|
|
|
'element' => array( |
|
935
|
|
|
'name' => 'table', |
|
936
|
|
|
'handler' => 'elements', |
|
937
|
|
|
), |
|
938
|
|
|
); |
|
939
|
|
|
|
|
940
|
|
|
$Block['element']['text'] []= array( |
|
941
|
|
|
'name' => 'thead', |
|
942
|
|
|
'handler' => 'elements', |
|
943
|
|
|
); |
|
944
|
|
|
|
|
945
|
|
|
$Block['element']['text'] []= array( |
|
946
|
|
|
'name' => 'tbody', |
|
947
|
|
|
'handler' => 'elements', |
|
948
|
|
|
'text' => array(), |
|
949
|
|
|
); |
|
950
|
|
|
|
|
951
|
|
|
$Block['element']['text'][0]['text'] []= array( |
|
952
|
|
|
'name' => 'tr', |
|
953
|
|
|
'handler' => 'elements', |
|
954
|
|
|
'text' => $HeaderElements, |
|
955
|
|
|
); |
|
956
|
|
|
|
|
957
|
|
|
return $Block; |
|
958
|
|
|
} |
|
959
|
|
|
} |
|
960
|
|
|
|
|
961
|
|
|
protected function blockTableContinue($Line, array $Block) |
|
962
|
|
|
{ |
|
963
|
|
|
if (isset($Block['interrupted'])) |
|
964
|
|
|
{ |
|
965
|
|
|
return; |
|
966
|
|
|
} |
|
967
|
|
|
|
|
968
|
|
|
if ($Line['text'][0] === '|' or strpos($Line['text'], '|')) |
|
969
|
|
|
{ |
|
970
|
|
|
$Elements = array(); |
|
971
|
|
|
|
|
972
|
|
|
$row = $Line['text']; |
|
973
|
|
|
|
|
974
|
|
|
$row = trim($row); |
|
975
|
|
|
$row = trim($row, '|'); |
|
976
|
|
|
|
|
977
|
|
|
preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches); |
|
978
|
|
|
|
|
979
|
|
|
foreach ($matches[0] as $index => $cell) |
|
980
|
|
|
{ |
|
981
|
|
|
$cell = trim($cell); |
|
982
|
|
|
|
|
983
|
|
|
$Element = array( |
|
984
|
|
|
'name' => 'td', |
|
985
|
|
|
'handler' => 'line', |
|
986
|
|
|
'text' => $cell, |
|
987
|
|
|
); |
|
988
|
|
|
|
|
989
|
|
|
if (isset($Block['alignments'][$index])) |
|
990
|
|
|
{ |
|
991
|
|
|
$Element['attributes'] = array( |
|
992
|
|
|
'style' => 'text-align: '.$Block['alignments'][$index].';', |
|
993
|
|
|
); |
|
994
|
|
|
} |
|
995
|
|
|
|
|
996
|
|
|
$Elements []= $Element; |
|
997
|
|
|
} |
|
998
|
|
|
|
|
999
|
|
|
$Element = array( |
|
1000
|
|
|
'name' => 'tr', |
|
1001
|
|
|
'handler' => 'elements', |
|
1002
|
|
|
'text' => $Elements, |
|
1003
|
|
|
); |
|
1004
|
|
|
|
|
1005
|
|
|
$Block['element']['text'][1]['text'] []= $Element; |
|
1006
|
|
|
|
|
1007
|
|
|
return $Block; |
|
1008
|
|
|
} |
|
1009
|
|
|
} |
|
1010
|
|
|
|
|
1011
|
|
|
# |
|
1012
|
|
|
# ~ |
|
1013
|
|
|
# |
|
1014
|
|
|
|
|
1015
|
|
|
protected function paragraph($Line) |
|
1016
|
|
|
{ |
|
1017
|
|
|
$Block = array( |
|
1018
|
|
|
'element' => array( |
|
1019
|
|
|
'name' => 'p', |
|
1020
|
|
|
'text' => $Line['text'], |
|
1021
|
|
|
'handler' => 'line', |
|
1022
|
|
|
), |
|
1023
|
|
|
); |
|
1024
|
|
|
|
|
1025
|
|
|
return $Block; |
|
1026
|
|
|
} |
|
1027
|
|
|
|
|
1028
|
|
|
# |
|
1029
|
|
|
# Inline Elements |
|
1030
|
|
|
# |
|
1031
|
|
|
|
|
1032
|
|
|
protected $InlineTypes = array( |
|
1033
|
|
|
'"' => array('SpecialCharacter'), |
|
1034
|
|
|
'!' => array('Image'), |
|
1035
|
|
|
'&' => array('SpecialCharacter'), |
|
1036
|
|
|
'*' => array('Emphasis'), |
|
1037
|
|
|
':' => array('Url'), |
|
1038
|
|
|
'<' => array('UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter'), |
|
1039
|
|
|
'>' => array('SpecialCharacter'), |
|
1040
|
|
|
'[' => array('Link'), |
|
1041
|
|
|
'_' => array('Emphasis'), |
|
1042
|
|
|
'`' => array('Code'), |
|
1043
|
|
|
'~' => array('Strikethrough'), |
|
1044
|
|
|
'\\' => array('EscapeSequence'), |
|
1045
|
|
|
); |
|
1046
|
|
|
|
|
1047
|
|
|
# ~ |
|
1048
|
|
|
|
|
1049
|
|
|
protected $inlineMarkerList = '!"*_&[:<>`~\\'; |
|
1050
|
|
|
|
|
1051
|
|
|
# |
|
1052
|
|
|
# ~ |
|
1053
|
|
|
# |
|
1054
|
|
|
|
|
1055
|
|
|
public function line($text, $nonNestables=array()) |
|
1056
|
|
|
{ |
|
1057
|
|
|
$markup = ''; |
|
1058
|
|
|
|
|
1059
|
|
|
# $excerpt is based on the first occurrence of a marker |
|
1060
|
|
|
|
|
1061
|
|
|
while ($excerpt = strpbrk($text, $this->inlineMarkerList)) |
|
1062
|
|
|
{ |
|
1063
|
|
|
$marker = $excerpt[0]; |
|
1064
|
|
|
|
|
1065
|
|
|
$markerPosition = strpos($text, $marker); |
|
1066
|
|
|
|
|
1067
|
|
|
$Excerpt = array('text' => $excerpt, 'context' => $text); |
|
1068
|
|
|
|
|
1069
|
|
|
foreach ($this->InlineTypes[$marker] as $inlineType) |
|
1070
|
|
|
{ |
|
1071
|
|
|
# check to see if the current inline type is nestable in the current context |
|
1072
|
|
|
|
|
1073
|
|
|
if ( ! empty($nonNestables) and in_array($inlineType, $nonNestables)) |
|
1074
|
|
|
{ |
|
1075
|
|
|
continue; |
|
1076
|
|
|
} |
|
1077
|
|
|
|
|
1078
|
|
|
$Inline = $this->{'inline'.$inlineType}($Excerpt); |
|
1079
|
|
|
|
|
1080
|
|
|
if ( ! isset($Inline)) |
|
1081
|
|
|
{ |
|
1082
|
|
|
continue; |
|
1083
|
|
|
} |
|
1084
|
|
|
|
|
1085
|
|
|
# makes sure that the inline belongs to "our" marker |
|
1086
|
|
|
|
|
1087
|
|
|
if (isset($Inline['position']) and $Inline['position'] > $markerPosition) |
|
1088
|
|
|
{ |
|
1089
|
|
|
continue; |
|
1090
|
|
|
} |
|
1091
|
|
|
|
|
1092
|
|
|
# sets a default inline position |
|
1093
|
|
|
|
|
1094
|
|
|
if ( ! isset($Inline['position'])) |
|
1095
|
|
|
{ |
|
1096
|
|
|
$Inline['position'] = $markerPosition; |
|
1097
|
|
|
} |
|
1098
|
|
|
|
|
1099
|
|
|
# cause the new element to 'inherit' our non nestables |
|
1100
|
|
|
|
|
1101
|
|
|
foreach ($nonNestables as $non_nestable) |
|
1102
|
|
|
{ |
|
1103
|
|
|
$Inline['element']['nonNestables'][] = $non_nestable; |
|
1104
|
|
|
} |
|
1105
|
|
|
|
|
1106
|
|
|
# the text that comes before the inline |
|
1107
|
|
|
$unmarkedText = substr($text, 0, $Inline['position']); |
|
1108
|
|
|
|
|
1109
|
|
|
# compile the unmarked text |
|
1110
|
|
|
$markup .= $this->unmarkedText($unmarkedText); |
|
1111
|
|
|
|
|
1112
|
|
|
# compile the inline |
|
1113
|
|
|
$markup .= isset($Inline['markup']) ? $Inline['markup'] : $this->element($Inline['element']); |
|
1114
|
|
|
|
|
1115
|
|
|
# remove the examined text |
|
1116
|
|
|
$text = substr($text, $Inline['position'] + $Inline['extent']); |
|
1117
|
|
|
|
|
1118
|
|
|
continue 2; |
|
1119
|
|
|
} |
|
1120
|
|
|
|
|
1121
|
|
|
# the marker does not belong to an inline |
|
1122
|
|
|
|
|
1123
|
|
|
$unmarkedText = substr($text, 0, $markerPosition + 1); |
|
1124
|
|
|
|
|
1125
|
|
|
$markup .= $this->unmarkedText($unmarkedText); |
|
1126
|
|
|
|
|
1127
|
|
|
$text = substr($text, $markerPosition + 1); |
|
1128
|
|
|
} |
|
1129
|
|
|
|
|
1130
|
|
|
$markup .= $this->unmarkedText($text); |
|
1131
|
|
|
|
|
1132
|
|
|
return $markup; |
|
1133
|
|
|
} |
|
1134
|
|
|
|
|
1135
|
|
|
# |
|
1136
|
|
|
# ~ |
|
1137
|
|
|
# |
|
1138
|
|
|
|
|
1139
|
|
|
protected function inlineCode($Excerpt) |
|
1140
|
|
|
{ |
|
1141
|
|
|
$marker = $Excerpt['text'][0]; |
|
1142
|
|
|
|
|
1143
|
|
|
if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches)) |
|
1144
|
|
|
{ |
|
1145
|
|
|
$text = $matches[2]; |
|
1146
|
|
|
$text = preg_replace("/[ ]*\n/", ' ', $text); |
|
1147
|
|
|
|
|
1148
|
|
|
return array( |
|
1149
|
|
|
'extent' => strlen($matches[0]), |
|
1150
|
|
|
'element' => array( |
|
1151
|
|
|
'name' => 'code', |
|
1152
|
|
|
'text' => $text, |
|
1153
|
|
|
), |
|
1154
|
|
|
); |
|
1155
|
|
|
} |
|
1156
|
|
|
} |
|
1157
|
|
|
|
|
1158
|
|
|
protected function inlineEmailTag($Excerpt) |
|
1159
|
|
|
{ |
|
1160
|
|
|
if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches)) |
|
1161
|
|
|
{ |
|
1162
|
|
|
$url = $matches[1]; |
|
1163
|
|
|
|
|
1164
|
|
|
if ( ! isset($matches[2])) |
|
1165
|
|
|
{ |
|
1166
|
|
|
$url = 'mailto:' . $url; |
|
1167
|
|
|
} |
|
1168
|
|
|
|
|
1169
|
|
|
return array( |
|
1170
|
|
|
'extent' => strlen($matches[0]), |
|
1171
|
|
|
'element' => array( |
|
1172
|
|
|
'name' => 'a', |
|
1173
|
|
|
'text' => $matches[1], |
|
1174
|
|
|
'attributes' => array( |
|
1175
|
|
|
'href' => $url, |
|
1176
|
|
|
), |
|
1177
|
|
|
), |
|
1178
|
|
|
); |
|
1179
|
|
|
} |
|
1180
|
|
|
} |
|
1181
|
|
|
|
|
1182
|
|
|
protected function inlineEmphasis($Excerpt) |
|
1183
|
|
|
{ |
|
1184
|
|
|
if ( ! isset($Excerpt['text'][1])) |
|
1185
|
|
|
{ |
|
1186
|
|
|
return; |
|
1187
|
|
|
} |
|
1188
|
|
|
|
|
1189
|
|
|
$marker = $Excerpt['text'][0]; |
|
1190
|
|
|
|
|
1191
|
|
|
if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches)) |
|
1192
|
|
|
{ |
|
1193
|
|
|
$emphasis = 'strong'; |
|
1194
|
|
|
} |
|
1195
|
|
|
elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches)) |
|
1196
|
|
|
{ |
|
1197
|
|
|
$emphasis = 'em'; |
|
1198
|
|
|
} |
|
1199
|
|
|
else |
|
1200
|
|
|
{ |
|
1201
|
|
|
return; |
|
1202
|
|
|
} |
|
1203
|
|
|
|
|
1204
|
|
|
return array( |
|
1205
|
|
|
'extent' => strlen($matches[0]), |
|
1206
|
|
|
'element' => array( |
|
1207
|
|
|
'name' => $emphasis, |
|
1208
|
|
|
'handler' => 'line', |
|
1209
|
|
|
'text' => $matches[1], |
|
1210
|
|
|
), |
|
1211
|
|
|
); |
|
1212
|
|
|
} |
|
1213
|
|
|
|
|
1214
|
|
|
protected function inlineEscapeSequence($Excerpt) |
|
1215
|
|
|
{ |
|
1216
|
|
|
if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters)) |
|
1217
|
|
|
{ |
|
1218
|
|
|
return array( |
|
1219
|
|
|
'markup' => $Excerpt['text'][1], |
|
1220
|
|
|
'extent' => 2, |
|
1221
|
|
|
); |
|
1222
|
|
|
} |
|
1223
|
|
|
} |
|
1224
|
|
|
|
|
1225
|
|
|
protected function inlineImage($Excerpt) |
|
1226
|
|
|
{ |
|
1227
|
|
|
if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[') |
|
1228
|
|
|
{ |
|
1229
|
|
|
return; |
|
1230
|
|
|
} |
|
1231
|
|
|
|
|
1232
|
|
|
$Excerpt['text']= substr($Excerpt['text'], 1); |
|
1233
|
|
|
|
|
1234
|
|
|
$Link = $this->inlineLink($Excerpt); |
|
1235
|
|
|
|
|
1236
|
|
|
if ($Link === null) |
|
1237
|
|
|
{ |
|
1238
|
|
|
return; |
|
1239
|
|
|
} |
|
1240
|
|
|
|
|
1241
|
|
|
$Inline = array( |
|
1242
|
|
|
'extent' => $Link['extent'] + 1, |
|
1243
|
|
|
'element' => array( |
|
1244
|
|
|
'name' => 'img', |
|
1245
|
|
|
'attributes' => array( |
|
1246
|
|
|
'src' => $Link['element']['attributes']['href'], |
|
1247
|
|
|
'alt' => $Link['element']['text'], |
|
1248
|
|
|
), |
|
1249
|
|
|
), |
|
1250
|
|
|
); |
|
1251
|
|
|
|
|
1252
|
|
|
$Inline['element']['attributes'] += $Link['element']['attributes']; |
|
1253
|
|
|
|
|
1254
|
|
|
unset($Inline['element']['attributes']['href']); |
|
1255
|
|
|
|
|
1256
|
|
|
return $Inline; |
|
1257
|
|
|
} |
|
1258
|
|
|
|
|
1259
|
|
|
protected function inlineLink($Excerpt) |
|
1260
|
|
|
{ |
|
1261
|
|
|
$Element = array( |
|
1262
|
|
|
'name' => 'a', |
|
1263
|
|
|
'handler' => 'line', |
|
1264
|
|
|
'nonNestables' => array('Url', 'Link'), |
|
1265
|
|
|
'text' => null, |
|
1266
|
|
|
'attributes' => array( |
|
1267
|
|
|
'href' => null, |
|
1268
|
|
|
'title' => null, |
|
1269
|
|
|
), |
|
1270
|
|
|
); |
|
1271
|
|
|
|
|
1272
|
|
|
$extent = 0; |
|
1273
|
|
|
|
|
1274
|
|
|
$remainder = $Excerpt['text']; |
|
1275
|
|
|
|
|
1276
|
|
|
if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches)) |
|
1277
|
|
|
{ |
|
1278
|
|
|
$Element['text'] = $matches[1]; |
|
1279
|
|
|
|
|
1280
|
|
|
$extent += strlen($matches[0]); |
|
1281
|
|
|
|
|
1282
|
|
|
$remainder = substr($remainder, $extent); |
|
1283
|
|
|
} |
|
1284
|
|
|
else |
|
1285
|
|
|
{ |
|
1286
|
|
|
return; |
|
1287
|
|
|
} |
|
1288
|
|
|
|
|
1289
|
|
|
if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*"|\'[^\']*\'))?\s*[)]/', $remainder, $matches)) |
|
1290
|
|
|
{ |
|
1291
|
|
|
$Element['attributes']['href'] = $matches[1]; |
|
1292
|
|
|
|
|
1293
|
|
|
if (isset($matches[2])) |
|
1294
|
|
|
{ |
|
1295
|
|
|
$Element['attributes']['title'] = substr($matches[2], 1, - 1); |
|
1296
|
|
|
} |
|
1297
|
|
|
|
|
1298
|
|
|
$extent += strlen($matches[0]); |
|
1299
|
|
|
} |
|
1300
|
|
|
else |
|
1301
|
|
|
{ |
|
1302
|
|
|
if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches)) |
|
1303
|
|
|
{ |
|
1304
|
|
|
$definition = strlen($matches[1]) ? $matches[1] : $Element['text']; |
|
1305
|
|
|
$definition = strtolower($definition); |
|
1306
|
|
|
|
|
1307
|
|
|
$extent += strlen($matches[0]); |
|
1308
|
|
|
} |
|
1309
|
|
|
else |
|
1310
|
|
|
{ |
|
1311
|
|
|
$definition = strtolower($Element['text']); |
|
1312
|
|
|
} |
|
1313
|
|
|
|
|
1314
|
|
|
if ( ! isset($this->DefinitionData['Reference'][$definition])) |
|
1315
|
|
|
{ |
|
1316
|
|
|
return; |
|
1317
|
|
|
} |
|
1318
|
|
|
|
|
1319
|
|
|
$Definition = $this->DefinitionData['Reference'][$definition]; |
|
1320
|
|
|
|
|
1321
|
|
|
$Element['attributes']['href'] = $Definition['url']; |
|
1322
|
|
|
$Element['attributes']['title'] = $Definition['title']; |
|
1323
|
|
|
} |
|
1324
|
|
|
|
|
1325
|
|
|
return array( |
|
1326
|
|
|
'extent' => $extent, |
|
1327
|
|
|
'element' => $Element, |
|
1328
|
|
|
); |
|
1329
|
|
|
} |
|
1330
|
|
|
|
|
1331
|
|
|
protected function inlineMarkup($Excerpt) |
|
1332
|
|
|
{ |
|
1333
|
|
|
if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false) |
|
1334
|
|
|
{ |
|
1335
|
|
|
return; |
|
1336
|
|
|
} |
|
1337
|
|
|
|
|
1338
|
|
|
if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*[ ]*>/s', $Excerpt['text'], $matches)) |
|
1339
|
|
|
{ |
|
1340
|
|
|
return array( |
|
1341
|
|
|
'markup' => $matches[0], |
|
1342
|
|
|
'extent' => strlen($matches[0]), |
|
1343
|
|
|
); |
|
1344
|
|
|
} |
|
1345
|
|
|
|
|
1346
|
|
|
if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?[^-])*-->/s', $Excerpt['text'], $matches)) |
|
1347
|
|
|
{ |
|
1348
|
|
|
return array( |
|
1349
|
|
|
'markup' => $matches[0], |
|
1350
|
|
|
'extent' => strlen($matches[0]), |
|
1351
|
|
|
); |
|
1352
|
|
|
} |
|
1353
|
|
|
|
|
1354
|
|
|
if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches)) |
|
1355
|
|
|
{ |
|
1356
|
|
|
return array( |
|
1357
|
|
|
'markup' => $matches[0], |
|
1358
|
|
|
'extent' => strlen($matches[0]), |
|
1359
|
|
|
); |
|
1360
|
|
|
} |
|
1361
|
|
|
} |
|
1362
|
|
|
|
|
1363
|
|
|
protected function inlineSpecialCharacter($Excerpt) |
|
1364
|
|
|
{ |
|
1365
|
|
|
if ($Excerpt['text'][0] === '&' and ! preg_match('/^&#?\w+;/', $Excerpt['text'])) |
|
1366
|
|
|
{ |
|
1367
|
|
|
return array( |
|
1368
|
|
|
'markup' => '&', |
|
1369
|
|
|
'extent' => 1, |
|
1370
|
|
|
); |
|
1371
|
|
|
} |
|
1372
|
|
|
|
|
1373
|
|
|
$SpecialCharacter = array('>' => 'gt', '<' => 'lt', '"' => 'quot'); |
|
1374
|
|
|
|
|
1375
|
|
|
if (isset($SpecialCharacter[$Excerpt['text'][0]])) |
|
1376
|
|
|
{ |
|
1377
|
|
|
return array( |
|
1378
|
|
|
'markup' => '&'.$SpecialCharacter[$Excerpt['text'][0]].';', |
|
1379
|
|
|
'extent' => 1, |
|
1380
|
|
|
); |
|
1381
|
|
|
} |
|
1382
|
|
|
} |
|
1383
|
|
|
|
|
1384
|
|
|
protected function inlineStrikethrough($Excerpt) |
|
1385
|
|
|
{ |
|
1386
|
|
|
if ( ! isset($Excerpt['text'][1])) |
|
1387
|
|
|
{ |
|
1388
|
|
|
return; |
|
1389
|
|
|
} |
|
1390
|
|
|
|
|
1391
|
|
|
if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches)) |
|
1392
|
|
|
{ |
|
1393
|
|
|
return array( |
|
1394
|
|
|
'extent' => strlen($matches[0]), |
|
1395
|
|
|
'element' => array( |
|
1396
|
|
|
'name' => 'del', |
|
1397
|
|
|
'text' => $matches[1], |
|
1398
|
|
|
'handler' => 'line', |
|
1399
|
|
|
), |
|
1400
|
|
|
); |
|
1401
|
|
|
} |
|
1402
|
|
|
} |
|
1403
|
|
|
|
|
1404
|
|
|
protected function inlineUrl($Excerpt) |
|
1405
|
|
|
{ |
|
1406
|
|
|
if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') |
|
1407
|
|
|
{ |
|
1408
|
|
|
return; |
|
1409
|
|
|
} |
|
1410
|
|
|
|
|
1411
|
|
|
if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)) |
|
1412
|
|
|
{ |
|
1413
|
|
|
$url = $matches[0][0]; |
|
1414
|
|
|
|
|
1415
|
|
|
$Inline = array( |
|
1416
|
|
|
'extent' => strlen($matches[0][0]), |
|
1417
|
|
|
'position' => $matches[0][1], |
|
1418
|
|
|
'element' => array( |
|
1419
|
|
|
'name' => 'a', |
|
1420
|
|
|
'text' => $url, |
|
1421
|
|
|
'attributes' => array( |
|
1422
|
|
|
'href' => $url, |
|
1423
|
|
|
), |
|
1424
|
|
|
), |
|
1425
|
|
|
); |
|
1426
|
|
|
|
|
1427
|
|
|
return $Inline; |
|
1428
|
|
|
} |
|
1429
|
|
|
} |
|
1430
|
|
|
|
|
1431
|
|
|
protected function inlineUrlTag($Excerpt) |
|
1432
|
|
|
{ |
|
1433
|
|
|
if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches)) |
|
1434
|
|
|
{ |
|
1435
|
|
|
$url = $matches[1]; |
|
1436
|
|
|
|
|
1437
|
|
|
return array( |
|
1438
|
|
|
'extent' => strlen($matches[0]), |
|
1439
|
|
|
'element' => array( |
|
1440
|
|
|
'name' => 'a', |
|
1441
|
|
|
'text' => $url, |
|
1442
|
|
|
'attributes' => array( |
|
1443
|
|
|
'href' => $url, |
|
1444
|
|
|
), |
|
1445
|
|
|
), |
|
1446
|
|
|
); |
|
1447
|
|
|
} |
|
1448
|
|
|
} |
|
1449
|
|
|
|
|
1450
|
|
|
# ~ |
|
1451
|
|
|
|
|
1452
|
|
|
protected function unmarkedText($text) |
|
1453
|
|
|
{ |
|
1454
|
|
|
if ($this->breaksEnabled) |
|
1455
|
|
|
{ |
|
1456
|
|
|
$text = preg_replace('/[ ]*\n/', "<br />\n", $text); |
|
1457
|
|
|
} |
|
1458
|
|
|
else |
|
1459
|
|
|
{ |
|
1460
|
|
|
$text = preg_replace('/(?:[ ][ ]+|[ ]*\\\\)\n/', "<br />\n", $text); |
|
1461
|
|
|
$text = str_replace(" \n", "\n", $text); |
|
1462
|
|
|
} |
|
1463
|
|
|
|
|
1464
|
|
|
return $text; |
|
1465
|
|
|
} |
|
1466
|
|
|
|
|
1467
|
|
|
# |
|
1468
|
|
|
# Handlers |
|
1469
|
|
|
# |
|
1470
|
|
|
|
|
1471
|
|
|
protected function element(array $Element) |
|
1472
|
|
|
{ |
|
1473
|
|
|
if ($this->safeMode) |
|
1474
|
|
|
{ |
|
1475
|
|
|
$Element = $this->sanitiseElement($Element); |
|
1476
|
|
|
} |
|
1477
|
|
|
|
|
1478
|
|
|
$markup = '<'.$Element['name']; |
|
1479
|
|
|
|
|
1480
|
|
|
if (isset($Element['attributes'])) |
|
1481
|
|
|
{ |
|
1482
|
|
|
foreach ($Element['attributes'] as $name => $value) |
|
1483
|
|
|
{ |
|
1484
|
|
|
if ($value === null) |
|
1485
|
|
|
{ |
|
1486
|
|
|
continue; |
|
1487
|
|
|
} |
|
1488
|
|
|
|
|
1489
|
|
|
$markup .= ' '.$name.'="'.self::escape($value).'"'; |
|
1490
|
|
|
} |
|
1491
|
|
|
} |
|
1492
|
|
|
|
|
1493
|
|
|
if (isset($Element['text'])) |
|
1494
|
|
|
{ |
|
1495
|
|
|
$markup .= '>'; |
|
1496
|
|
|
|
|
1497
|
|
|
if (!isset($Element['nonNestables'])) |
|
1498
|
|
|
{ |
|
1499
|
|
|
$Element['nonNestables'] = array(); |
|
1500
|
|
|
} |
|
1501
|
|
|
|
|
1502
|
|
|
if (isset($Element['handler'])) |
|
1503
|
|
|
{ |
|
1504
|
|
|
$markup .= $this->{$Element['handler']}($Element['text'], $Element['nonNestables']); |
|
1505
|
|
|
} |
|
1506
|
|
|
else |
|
1507
|
|
|
{ |
|
1508
|
|
|
$markup .= self::escape($Element['text'], true); |
|
1509
|
|
|
} |
|
1510
|
|
|
|
|
1511
|
|
|
$markup .= '</'.$Element['name'].'>'; |
|
1512
|
|
|
} |
|
1513
|
|
|
else |
|
1514
|
|
|
{ |
|
1515
|
|
|
$markup .= ' />'; |
|
1516
|
|
|
} |
|
1517
|
|
|
|
|
1518
|
|
|
return $markup; |
|
1519
|
|
|
} |
|
1520
|
|
|
|
|
1521
|
|
|
protected function elements(array $Elements) |
|
1522
|
|
|
{ |
|
1523
|
|
|
$markup = ''; |
|
1524
|
|
|
|
|
1525
|
|
|
foreach ($Elements as $Element) |
|
1526
|
|
|
{ |
|
1527
|
|
|
$markup .= "\n" . $this->element($Element); |
|
1528
|
|
|
} |
|
1529
|
|
|
|
|
1530
|
|
|
$markup .= "\n"; |
|
1531
|
|
|
|
|
1532
|
|
|
return $markup; |
|
1533
|
|
|
} |
|
1534
|
|
|
|
|
1535
|
|
|
# ~ |
|
1536
|
|
|
|
|
1537
|
|
|
protected function li($lines) |
|
1538
|
|
|
{ |
|
1539
|
|
|
$markup = $this->lines($lines); |
|
1540
|
|
|
|
|
1541
|
|
|
$trimmedMarkup = trim($markup); |
|
1542
|
|
|
|
|
1543
|
|
|
if ( ! in_array('', $lines) and substr($trimmedMarkup, 0, 3) === '<p>') |
|
1544
|
|
|
{ |
|
1545
|
|
|
$markup = $trimmedMarkup; |
|
1546
|
|
|
$markup = substr($markup, 3); |
|
1547
|
|
|
|
|
1548
|
|
|
$position = strpos($markup, "</p>"); |
|
1549
|
|
|
|
|
1550
|
|
|
$markup = substr_replace($markup, '', $position, 4); |
|
1551
|
|
|
} |
|
1552
|
|
|
|
|
1553
|
|
|
return $markup; |
|
1554
|
|
|
} |
|
1555
|
|
|
|
|
1556
|
|
|
# |
|
1557
|
|
|
# Deprecated Methods |
|
1558
|
|
|
# |
|
1559
|
|
|
|
|
1560
|
|
|
function parse($text) |
|
|
|
|
|
|
1561
|
|
|
{ |
|
1562
|
|
|
$markup = $this->text($text); |
|
1563
|
|
|
|
|
1564
|
|
|
return $markup; |
|
1565
|
|
|
} |
|
1566
|
|
|
|
|
1567
|
|
|
protected function sanitiseElement(array $Element) |
|
1568
|
|
|
{ |
|
1569
|
|
|
static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/'; |
|
1570
|
|
|
static $safeUrlNameToAtt = array( |
|
1571
|
|
|
'a' => 'href', |
|
1572
|
|
|
'img' => 'src', |
|
1573
|
|
|
); |
|
1574
|
|
|
|
|
1575
|
|
|
if (isset($safeUrlNameToAtt[$Element['name']])) |
|
1576
|
|
|
{ |
|
1577
|
|
|
$Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]); |
|
1578
|
|
|
} |
|
1579
|
|
|
|
|
1580
|
|
|
if ( ! empty($Element['attributes'])) |
|
1581
|
|
|
{ |
|
1582
|
|
|
foreach ($Element['attributes'] as $att => $val) |
|
1583
|
|
|
{ |
|
1584
|
|
|
# filter out badly parsed attribute |
|
1585
|
|
|
if ( ! preg_match($goodAttribute, $att)) |
|
1586
|
|
|
{ |
|
1587
|
|
|
unset($Element['attributes'][$att]); |
|
1588
|
|
|
} |
|
1589
|
|
|
# dump onevent attribute |
|
1590
|
|
|
elseif (self::striAtStart($att, 'on')) |
|
1591
|
|
|
{ |
|
1592
|
|
|
unset($Element['attributes'][$att]); |
|
1593
|
|
|
} |
|
1594
|
|
|
} |
|
1595
|
|
|
} |
|
1596
|
|
|
|
|
1597
|
|
|
return $Element; |
|
1598
|
|
|
} |
|
1599
|
|
|
|
|
1600
|
|
|
protected function filterUnsafeUrlInAttribute(array $Element, $attribute) |
|
1601
|
|
|
{ |
|
1602
|
|
|
foreach ($this->safeLinksWhitelist as $scheme) |
|
1603
|
|
|
{ |
|
1604
|
|
|
if (self::striAtStart($Element['attributes'][$attribute], $scheme)) |
|
1605
|
|
|
{ |
|
1606
|
|
|
return $Element; |
|
1607
|
|
|
} |
|
1608
|
|
|
} |
|
1609
|
|
|
|
|
1610
|
|
|
$Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]); |
|
1611
|
|
|
|
|
1612
|
|
|
return $Element; |
|
1613
|
|
|
} |
|
1614
|
|
|
|
|
1615
|
|
|
# |
|
1616
|
|
|
# Static Methods |
|
1617
|
|
|
# |
|
1618
|
|
|
|
|
1619
|
|
|
protected static function escape($text, $allowQuotes = false) |
|
1620
|
|
|
{ |
|
1621
|
|
|
return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8'); |
|
1622
|
|
|
} |
|
1623
|
|
|
|
|
1624
|
|
|
protected static function striAtStart($string, $needle) |
|
1625
|
|
|
{ |
|
1626
|
|
|
$len = strlen($needle); |
|
1627
|
|
|
|
|
1628
|
|
|
if ($len > strlen($string)) |
|
1629
|
|
|
{ |
|
1630
|
|
|
return false; |
|
1631
|
|
|
} |
|
1632
|
|
|
else |
|
1633
|
|
|
{ |
|
1634
|
|
|
return strtolower(substr($string, 0, $len)) === strtolower($needle); |
|
1635
|
|
|
} |
|
1636
|
|
|
} |
|
1637
|
|
|
|
|
1638
|
|
|
static function instance($name = 'default') : Parsedown |
|
|
|
|
|
|
1639
|
|
|
{ |
|
1640
|
|
|
if (isset(self::$instances[$name])) |
|
1641
|
|
|
{ |
|
1642
|
|
|
return self::$instances[$name]; |
|
1643
|
|
|
} |
|
1644
|
|
|
|
|
1645
|
|
|
$instance = new static(); |
|
1646
|
|
|
|
|
1647
|
|
|
self::$instances[$name] = $instance; |
|
1648
|
|
|
|
|
1649
|
|
|
return $instance; |
|
1650
|
|
|
} |
|
1651
|
|
|
|
|
1652
|
|
|
private static $instances = array(); |
|
1653
|
|
|
|
|
1654
|
|
|
# |
|
1655
|
|
|
# Fields |
|
1656
|
|
|
# |
|
1657
|
|
|
|
|
1658
|
|
|
protected $DefinitionData; |
|
1659
|
|
|
|
|
1660
|
|
|
# |
|
1661
|
|
|
# Read-Only |
|
1662
|
|
|
|
|
1663
|
|
|
protected $specialCharacters = array( |
|
1664
|
|
|
'\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', |
|
1665
|
|
|
); |
|
1666
|
|
|
|
|
1667
|
|
|
protected $StrongRegex = array( |
|
1668
|
|
|
'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s', |
|
1669
|
|
|
'_' => '/^__((?:\\\\_|[^_]|_[^_]*_)+?)__(?!_)/us', |
|
1670
|
|
|
); |
|
1671
|
|
|
|
|
1672
|
|
|
protected $EmRegex = array( |
|
1673
|
|
|
'*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s', |
|
1674
|
|
|
'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us', |
|
1675
|
|
|
); |
|
1676
|
|
|
|
|
1677
|
|
|
protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*(?:\s*=\s*(?:[^"\'=<>`\s]+|"[^"]*"|\'[^\']*\'))?'; |
|
1678
|
|
|
|
|
1679
|
|
|
protected $voidElements = array( |
|
1680
|
|
|
'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', |
|
1681
|
|
|
); |
|
1682
|
|
|
|
|
1683
|
|
|
protected $textLevelElements = array( |
|
1684
|
|
|
'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont', |
|
1685
|
|
|
'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing', |
|
1686
|
|
|
'i', 'rp', 'del', 'code', 'strike', 'marquee', |
|
1687
|
|
|
'q', 'rt', 'ins', 'font', 'strong', |
|
1688
|
|
|
's', 'tt', 'kbd', 'mark', |
|
1689
|
|
|
'u', 'xm', 'sub', 'nobr', |
|
1690
|
|
|
'sup', 'ruby', |
|
1691
|
|
|
'var', 'span', |
|
1692
|
|
|
'wbr', 'time', |
|
1693
|
|
|
); |
|
1694
|
|
|
} |
|
1695
|
|
|
|
JuKu /
JuKuCMS
Loading history...
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.