1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the league/commonmark package. |
5
|
|
|
* |
6
|
|
|
* (c) Colin O'Dell <[email protected]> |
7
|
|
|
* |
8
|
|
|
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
9
|
|
|
* - (c) John MacFarlane |
10
|
|
|
* |
11
|
|
|
* For the full copyright and license information, please view the LICENSE |
12
|
|
|
* file that was distributed with this source code. |
13
|
|
|
*/ |
14
|
|
|
|
15
|
|
|
namespace League\CommonMark; |
16
|
|
|
|
17
|
|
|
use League\CommonMark\Block\Parser\BlockParserInterface; |
18
|
|
|
use League\CommonMark\Block\Renderer\BlockRendererInterface; |
19
|
|
|
use League\CommonMark\Delimiter\Processor\DelimiterProcessorCollection; |
20
|
|
|
use League\CommonMark\Delimiter\Processor\DelimiterProcessorInterface; |
21
|
|
|
use League\CommonMark\Event\AbstractEvent; |
22
|
|
|
use League\CommonMark\Extension\CommonMarkCoreExtension; |
23
|
|
|
use League\CommonMark\Extension\ExtensionInterface; |
24
|
|
|
use League\CommonMark\Inline\Parser\InlineParserInterface; |
25
|
|
|
use League\CommonMark\Inline\Renderer\InlineRendererInterface; |
26
|
|
|
use League\CommonMark\Util\Configuration; |
27
|
|
|
use League\CommonMark\Util\ConfigurationAwareInterface; |
28
|
|
|
use League\CommonMark\Util\PrioritizedList; |
29
|
|
|
|
30
|
|
|
final class Environment implements EnvironmentInterface, ConfigurableEnvironmentInterface |
31
|
|
|
{ |
32
|
|
|
/** |
33
|
|
|
* @var ExtensionInterface[] |
34
|
|
|
*/ |
35
|
|
|
private $extensions = []; |
36
|
|
|
|
37
|
|
|
/** |
38
|
|
|
* @var ExtensionInterface[] |
39
|
|
|
*/ |
40
|
|
|
private $uninitializedExtensions = []; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* @var bool |
44
|
|
|
*/ |
45
|
|
|
private $extensionsInitialized = false; |
46
|
|
|
|
47
|
|
|
/** |
48
|
|
|
* @var PrioritizedList<BlockParserInterface> |
49
|
|
|
*/ |
50
|
|
|
private $blockParsers; |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* @var PrioritizedList<InlineParserInterface> |
54
|
|
|
*/ |
55
|
|
|
private $inlineParsers; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* @var array<string, PrioritizedList<InlineParserInterface>> |
59
|
|
|
*/ |
60
|
|
|
private $inlineParsersByCharacter = []; |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @var DelimiterProcessorCollection |
64
|
|
|
*/ |
65
|
|
|
private $delimiterProcessors; |
66
|
|
|
|
67
|
|
|
/** |
68
|
|
|
* @var array<string, PrioritizedList<BlockRendererInterface>> |
69
|
|
|
*/ |
70
|
|
|
private $blockRenderersByClass = []; |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* @var array<string, PrioritizedList<InlineRendererInterface>> |
74
|
|
|
*/ |
75
|
|
|
private $inlineRenderersByClass = []; |
76
|
|
|
|
77
|
|
|
/** |
78
|
|
|
* @var array<string, PrioritizedList<callable>> |
79
|
|
|
*/ |
80
|
|
|
private $listeners = []; |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* @var Configuration |
84
|
|
|
*/ |
85
|
|
|
private $config; |
86
|
|
|
|
87
|
|
|
/** |
88
|
|
|
* @var string |
89
|
|
|
*/ |
90
|
|
|
private $inlineParserCharacterRegex; |
91
|
|
|
|
92
|
2181 |
|
public function __construct(array $config = []) |
93
|
|
|
{ |
94
|
2181 |
|
$this->config = new Configuration($config); |
95
|
|
|
|
96
|
2181 |
|
$this->blockParsers = new PrioritizedList(); |
97
|
2181 |
|
$this->inlineParsers = new PrioritizedList(); |
98
|
2181 |
|
$this->delimiterProcessors = new DelimiterProcessorCollection(); |
99
|
2181 |
|
} |
100
|
|
|
|
101
|
|
|
/** |
102
|
|
|
* {@inheritdoc} |
103
|
|
|
*/ |
104
|
2085 |
|
public function mergeConfig(array $config = []) |
105
|
|
|
{ |
106
|
2085 |
|
$this->assertUninitialized('Failed to modify configuration.'); |
107
|
|
|
|
108
|
2082 |
|
$this->config->merge($config); |
109
|
2082 |
|
} |
110
|
|
|
|
111
|
|
|
/** |
112
|
|
|
* {@inheritdoc} |
113
|
|
|
*/ |
114
|
6 |
|
public function setConfig(array $config = []) |
115
|
|
|
{ |
116
|
6 |
|
$this->assertUninitialized('Failed to modify configuration.'); |
117
|
|
|
|
118
|
3 |
|
$this->config->replace($config); |
119
|
3 |
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* {@inheritdoc} |
123
|
|
|
*/ |
124
|
2088 |
|
public function getConfig($key = null, $default = null) |
125
|
|
|
{ |
126
|
2088 |
|
return $this->config->get($key, $default); |
127
|
|
|
} |
128
|
|
|
|
129
|
|
|
/** |
130
|
|
|
* {@inheritdoc} |
131
|
|
|
*/ |
132
|
2082 |
|
public function addBlockParser(BlockParserInterface $parser, int $priority = 0): ConfigurableEnvironmentInterface |
133
|
|
|
{ |
134
|
2082 |
|
$this->assertUninitialized('Failed to add block parser.'); |
135
|
|
|
|
136
|
2079 |
|
$this->blockParsers->add($parser, $priority); |
137
|
2079 |
|
$this->injectEnvironmentAndConfigurationIfNeeded($parser); |
138
|
|
|
|
139
|
2079 |
|
return $this; |
140
|
|
|
} |
141
|
|
|
|
142
|
|
|
/** |
143
|
|
|
* {@inheritdoc} |
144
|
|
|
*/ |
145
|
2082 |
|
public function addInlineParser(InlineParserInterface $parser, int $priority = 0): ConfigurableEnvironmentInterface |
146
|
|
|
{ |
147
|
2082 |
|
$this->assertUninitialized('Failed to add inline parser.'); |
148
|
|
|
|
149
|
2079 |
|
$this->inlineParsers->add($parser, $priority); |
150
|
2079 |
|
$this->injectEnvironmentAndConfigurationIfNeeded($parser); |
151
|
|
|
|
152
|
2079 |
|
foreach ($parser->getCharacters() as $character) { |
153
|
2079 |
|
if (!isset($this->inlineParsersByCharacter[$character])) { |
154
|
2079 |
|
$this->inlineParsersByCharacter[$character] = new PrioritizedList(); |
155
|
|
|
} |
156
|
|
|
|
157
|
2079 |
|
$this->inlineParsersByCharacter[$character]->add($parser, $priority); |
158
|
|
|
} |
159
|
|
|
|
160
|
2079 |
|
return $this; |
161
|
|
|
} |
162
|
|
|
|
163
|
|
|
/** |
164
|
|
|
* {@inheritdoc} |
165
|
|
|
*/ |
166
|
2079 |
|
public function addDelimiterProcessor(DelimiterProcessorInterface $processor): ConfigurableEnvironmentInterface |
167
|
|
|
{ |
168
|
2079 |
|
$this->assertUninitialized('Failed to add delimiter processor.'); |
169
|
2076 |
|
$this->delimiterProcessors->add($processor); |
170
|
2076 |
|
$this->injectEnvironmentAndConfigurationIfNeeded($processor); |
171
|
|
|
|
172
|
2076 |
|
return $this; |
173
|
|
|
} |
174
|
|
|
|
175
|
|
|
/** |
176
|
|
|
* {@inheritdoc} |
177
|
|
|
*/ |
178
|
2079 |
|
public function addBlockRenderer($blockClass, BlockRendererInterface $blockRenderer, int $priority = 0): ConfigurableEnvironmentInterface |
179
|
|
|
{ |
180
|
2079 |
|
$this->assertUninitialized('Failed to add block renderer.'); |
181
|
|
|
|
182
|
2076 |
|
if (!isset($this->blockRenderersByClass[$blockClass])) { |
183
|
2076 |
|
$this->blockRenderersByClass[$blockClass] = new PrioritizedList(); |
184
|
|
|
} |
185
|
|
|
|
186
|
2076 |
|
$this->blockRenderersByClass[$blockClass]->add($blockRenderer, $priority); |
187
|
2076 |
|
$this->injectEnvironmentAndConfigurationIfNeeded($blockRenderer); |
188
|
|
|
|
189
|
2076 |
|
return $this; |
190
|
|
|
} |
191
|
|
|
|
192
|
|
|
/** |
193
|
|
|
* {@inheritdoc} |
194
|
|
|
*/ |
195
|
2079 |
|
public function addInlineRenderer(string $inlineClass, InlineRendererInterface $renderer, int $priority = 0): ConfigurableEnvironmentInterface |
196
|
|
|
{ |
197
|
2079 |
|
$this->assertUninitialized('Failed to add inline renderer.'); |
198
|
|
|
|
199
|
2076 |
|
if (!isset($this->inlineRenderersByClass[$inlineClass])) { |
200
|
2076 |
|
$this->inlineRenderersByClass[$inlineClass] = new PrioritizedList(); |
201
|
|
|
} |
202
|
|
|
|
203
|
2076 |
|
$this->inlineRenderersByClass[$inlineClass]->add($renderer, $priority); |
204
|
2076 |
|
$this->injectEnvironmentAndConfigurationIfNeeded($renderer); |
205
|
|
|
|
206
|
2076 |
|
return $this; |
207
|
|
|
} |
208
|
|
|
|
209
|
|
|
/** |
210
|
|
|
* {@inheritdoc} |
211
|
|
|
*/ |
212
|
2091 |
|
public function getBlockParsers(): iterable |
213
|
|
|
{ |
214
|
2091 |
|
if (!$this->extensionsInitialized) { |
215
|
|
|
$this->initializeExtensions(); |
216
|
2091 |
|
} |
217
|
|
|
|
218
|
|
|
return $this->blockParsers->getIterator(); |
219
|
|
|
} |
220
|
|
|
|
221
|
|
|
/** |
222
|
2031 |
|
* {@inheritdoc} |
223
|
|
|
*/ |
224
|
2031 |
|
public function getInlineParsersForCharacter(string $character): iterable |
225
|
|
|
{ |
226
|
2031 |
|
if (!$this->extensionsInitialized) { |
227
|
1863 |
|
$this->initializeExtensions(); |
228
|
|
|
} |
229
|
|
|
|
230
|
1209 |
|
if (!isset($this->inlineParsersByCharacter[$character])) { |
231
|
|
|
return []; |
232
|
|
|
} |
233
|
|
|
|
234
|
|
|
return $this->inlineParsersByCharacter[$character]->getIterator(); |
235
|
|
|
} |
236
|
2034 |
|
|
237
|
|
|
/** |
238
|
2034 |
|
* {@inheritdoc} |
239
|
|
|
*/ |
240
|
2034 |
|
public function getDelimiterProcessors(): DelimiterProcessorCollection |
241
|
|
|
{ |
242
|
|
|
if (!$this->extensionsInitialized) { |
243
|
|
|
$this->initializeExtensions(); |
244
|
|
|
} |
245
|
|
|
|
246
|
2079 |
|
return $this->delimiterProcessors; |
247
|
|
|
} |
248
|
2079 |
|
|
249
|
|
|
/** |
250
|
2079 |
|
* {@inheritdoc} |
251
|
6 |
|
*/ |
252
|
|
|
public function getBlockRenderersForClass(string $blockClass): iterable |
253
|
|
|
{ |
254
|
2073 |
|
if (!$this->extensionsInitialized) { |
255
|
|
|
$this->initializeExtensions(); |
256
|
|
|
} |
257
|
|
|
|
258
|
|
|
if (!isset($this->blockRenderersByClass[$blockClass])) { |
259
|
|
|
return []; |
260
|
1794 |
|
} |
261
|
|
|
|
262
|
1794 |
|
return $this->blockRenderersByClass[$blockClass]->getIterator(); |
263
|
|
|
} |
264
|
1794 |
|
|
265
|
9 |
|
/** |
266
|
|
|
* {@inheritdoc} |
267
|
|
|
*/ |
268
|
1785 |
|
public function getInlineRenderersForClass(string $inlineClass): iterable |
269
|
|
|
{ |
270
|
|
|
if (!$this->extensionsInitialized) { |
271
|
|
|
$this->initializeExtensions(); |
272
|
|
|
} |
273
|
|
|
|
274
|
|
|
if (!isset($this->inlineRenderersByClass[$inlineClass])) { |
275
|
|
|
return []; |
276
|
12 |
|
} |
277
|
|
|
|
278
|
12 |
|
return $this->inlineRenderersByClass[$inlineClass]->getIterator(); |
279
|
|
|
} |
280
|
|
|
|
281
|
|
|
/** |
282
|
|
|
* Get all registered extensions |
283
|
|
|
* |
284
|
|
|
* @return ExtensionInterface[] |
285
|
|
|
*/ |
286
|
|
|
public function getExtensions(): iterable |
287
|
|
|
{ |
288
|
2088 |
|
return $this->extensions; |
289
|
|
|
} |
290
|
2088 |
|
|
291
|
|
|
/** |
292
|
2085 |
|
* Add a single extension |
293
|
2085 |
|
* |
294
|
|
|
* @param ExtensionInterface $extension |
295
|
2085 |
|
* |
296
|
|
|
* @return $this |
297
|
|
|
*/ |
298
|
2145 |
|
public function addExtension(ExtensionInterface $extension): ConfigurableEnvironmentInterface |
299
|
|
|
{ |
300
|
|
|
$this->assertUninitialized('Failed to add extension.'); |
301
|
2145 |
|
|
302
|
2070 |
|
$this->extensions[] = $extension; |
303
|
|
|
$this->uninitializedExtensions[] = $extension; |
304
|
|
|
|
305
|
|
|
return $this; |
306
|
2145 |
|
} |
307
|
2073 |
|
|
308
|
2073 |
|
private function initializeExtensions() |
309
|
2073 |
|
{ |
310
|
|
|
// Ask all extensions to register their components |
311
|
|
|
while (!empty($this->uninitializedExtensions)) { |
312
|
|
|
foreach ($this->uninitializedExtensions as $i => $extension) { |
313
|
2145 |
|
$extension->register($this); |
314
|
|
|
unset($this->uninitializedExtensions[$i]); |
315
|
|
|
} |
316
|
|
|
} |
317
|
2145 |
|
|
318
|
2145 |
|
$this->extensionsInitialized = true; |
319
|
|
|
|
320
|
2106 |
|
// Lastly, let's build a regex which matches non-inline characters |
321
|
|
|
// This will enable a huge performance boost with inline parsing |
322
|
2106 |
|
$this->buildInlineParserCharacterRegex(); |
323
|
2073 |
|
} |
324
|
|
|
|
325
|
|
|
private function injectEnvironmentAndConfigurationIfNeeded($object) |
326
|
2106 |
|
{ |
327
|
2073 |
|
if ($object instanceof EnvironmentAwareInterface) { |
328
|
|
|
$object->setEnvironment($this); |
329
|
2106 |
|
} |
330
|
|
|
|
331
|
|
|
if ($object instanceof ConfigurationAwareInterface) { |
332
|
|
|
$object->setConfiguration($this->config); |
333
|
|
|
} |
334
|
2079 |
|
} |
335
|
|
|
|
336
|
2079 |
|
/** |
337
|
2079 |
|
* @return Environment |
338
|
2079 |
|
*/ |
339
|
1386 |
|
public static function createCommonMarkEnvironment(): Environment |
340
|
693 |
|
{ |
341
|
|
|
$environment = new static(); |
342
|
|
|
$environment->addExtension(new CommonMarkCoreExtension()); |
343
|
|
|
$environment->mergeConfig([ |
344
|
2079 |
|
'renderer' => [ |
345
|
|
|
'block_separator' => "\n", |
346
|
|
|
'inner_separator' => "\n", |
347
|
|
|
'soft_break' => "\n", |
348
|
|
|
], |
349
|
2079 |
|
'html_input' => self::HTML_INPUT_ALLOW, |
350
|
|
|
'allow_unsafe_links' => true, |
351
|
|
|
'max_nesting_level' => \INF, |
352
|
|
|
]); |
353
|
|
|
|
354
|
|
|
return $environment; |
355
|
1848 |
|
} |
356
|
|
|
|
357
|
1848 |
|
/** |
358
|
|
|
* {@inheritdoc} |
359
|
|
|
*/ |
360
|
|
|
public function getInlineParserCharacterRegex(): string |
361
|
|
|
{ |
362
|
|
|
return $this->inlineParserCharacterRegex; |
363
|
6 |
|
} |
364
|
|
|
|
365
|
6 |
|
/** |
366
|
|
|
* {@inheritdoc} |
367
|
6 |
|
*/ |
368
|
6 |
|
public function addEventListener(string $eventClass, callable $listener, int $priority = 0): ConfigurableEnvironmentInterface |
369
|
|
|
{ |
370
|
|
|
$this->assertUninitialized('Failed to add event listener.'); |
371
|
6 |
|
|
372
|
|
|
if (!isset($this->listeners[$eventClass])) { |
373
|
6 |
|
$this->listeners[$eventClass] = new PrioritizedList(); |
374
|
|
|
} |
375
|
|
|
|
376
|
|
|
$this->listeners[$eventClass]->add($listener, $priority); |
377
|
|
|
|
378
|
|
|
return $this; |
379
|
2073 |
|
} |
380
|
|
|
|
381
|
2073 |
|
/** |
382
|
|
|
* {@inheritdoc} |
383
|
2073 |
|
*/ |
384
|
|
|
public function dispatch(AbstractEvent $event): void |
385
|
2073 |
|
{ |
386
|
6 |
|
if (!$this->extensionsInitialized) { |
387
|
3 |
|
$this->initializeExtensions(); |
388
|
|
|
} |
389
|
|
|
|
390
|
6 |
|
$type = \get_class($event); |
391
|
|
|
|
392
|
2070 |
|
foreach ($this->listeners[$type] ?? [] as $listener) { |
393
|
|
|
if ($event->isPropagationStopped()) { |
394
|
2145 |
|
return; |
395
|
|
|
} |
396
|
2145 |
|
|
397
|
2145 |
|
$listener($event); |
398
|
2145 |
|
} |
399
|
|
|
} |
400
|
|
|
|
401
|
2145 |
|
private function buildInlineParserCharacterRegex() |
402
|
|
|
{ |
403
|
63 |
|
$chars = \array_unique(\array_merge( |
404
|
|
|
\array_keys($this->inlineParsersByCharacter), |
405
|
|
|
$this->delimiterProcessors->getDelimiterCharacters() |
406
|
2082 |
|
)); |
407
|
|
|
|
408
|
2145 |
|
if (empty($chars)) { |
409
|
|
|
// If no special inline characters exist then parse the whole line |
410
|
|
|
$this->inlineParserCharacterRegex = '/^.+$/u'; |
411
|
|
|
} else { |
412
|
|
|
// Match any character which inline parsers are not interested in |
413
|
|
|
$this->inlineParserCharacterRegex = '/^[^' . \preg_quote(\implode('', $chars), '/') . ']+/u'; |
414
|
|
|
} |
415
|
2151 |
|
} |
416
|
|
|
|
417
|
2151 |
|
/** |
418
|
24 |
|
* @param string $message |
419
|
|
|
* |
420
|
2127 |
|
* @throws \RuntimeException |
421
|
|
|
*/ |
422
|
|
|
private function assertUninitialized(string $message) |
423
|
|
|
{ |
424
|
|
|
if ($this->extensionsInitialized) { |
425
|
|
|
throw new \RuntimeException($message . ' Extensions have already been initialized.'); |
426
|
|
|
} |
427
|
|
|
} |
428
|
|
|
} |
429
|
|
|
|