|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
/* |
|
6
|
|
|
* This file is part of Cecil. |
|
7
|
|
|
* |
|
8
|
|
|
* Copyright (c) Arnaud Ligny <[email protected]> |
|
9
|
|
|
* |
|
10
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
11
|
|
|
* file that was distributed with this source code. |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
namespace Cecil\Converter; |
|
15
|
|
|
|
|
16
|
|
|
use Cecil\Assets\Asset; |
|
17
|
|
|
use Cecil\Assets\Image; |
|
18
|
|
|
use Cecil\Builder; |
|
19
|
|
|
use Cecil\Exception\RuntimeException; |
|
20
|
|
|
use Cecil\Util; |
|
21
|
|
|
use Highlight\Highlighter; |
|
22
|
|
|
|
|
23
|
|
|
class Parsedown extends \ParsedownToC |
|
24
|
|
|
{ |
|
25
|
|
|
/** @var Builder */ |
|
26
|
|
|
protected $builder; |
|
27
|
|
|
|
|
28
|
|
|
/** {@inheritdoc} */ |
|
29
|
|
|
protected $regexAttribute = '(?:[#.][-\w:\\\]+[ ]*|[-\w:\\\]+(?:=(?:["\'][^\n]*?["\']|[^\s]+)?)?[ ]*)'; |
|
30
|
|
|
|
|
31
|
|
|
/** Regex to verify there is an image in <figure> block */ |
|
32
|
|
|
protected $MarkdownImageRegex = "~^!\[.*?\]\(.*?\)~"; |
|
33
|
|
|
|
|
34
|
|
|
/** @var Highlighter */ |
|
35
|
|
|
protected $highlighter; |
|
36
|
|
|
|
|
37
|
1 |
|
public function __construct(Builder $builder) |
|
38
|
|
|
{ |
|
39
|
1 |
|
$this->builder = $builder; |
|
40
|
|
|
|
|
41
|
|
|
// "insert" line block: ++text++ -> <ins>text</ins> |
|
42
|
1 |
|
$this->InlineTypes['+'][] = 'Insert'; |
|
43
|
1 |
|
$this->inlineMarkerList = implode('', array_keys($this->InlineTypes)); |
|
44
|
1 |
|
$this->specialCharacters[] = '+'; |
|
45
|
|
|
// add caption to image block |
|
46
|
1 |
|
if ($this->builder->getConfig()->get('body.images.caption.enabled')) { |
|
47
|
1 |
|
$this->BlockTypes['!'][] = 'Image'; |
|
48
|
|
|
} |
|
49
|
|
|
// "notes" block |
|
50
|
1 |
|
if ($this->builder->getConfig()->get('body.notes.enabled')) { |
|
51
|
1 |
|
$this->BlockTypes[':'][] = 'Note'; |
|
52
|
|
|
} |
|
53
|
1 |
|
$this->highlighter = new Highlighter(); |
|
54
|
|
|
|
|
55
|
1 |
|
parent::__construct(['selectors' => $this->builder->getConfig()->get('body.toc')]); |
|
56
|
1 |
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Insert inline. |
|
60
|
|
|
* e.g.: ++text++ -> <ins>text</ins>. |
|
61
|
|
|
*/ |
|
62
|
1 |
|
protected function inlineInsert($Excerpt) |
|
63
|
|
|
{ |
|
64
|
1 |
|
if (!isset($Excerpt['text'][1])) { |
|
65
|
|
|
return; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
1 |
|
if ($Excerpt['text'][1] === '+' && preg_match('/^\+\+(?=\S)(.+?)(?<=\S)\+\+/', $Excerpt['text'], $matches)) { |
|
69
|
|
|
return [ |
|
70
|
1 |
|
'extent' => strlen($matches[0]), |
|
71
|
|
|
'element' => [ |
|
72
|
1 |
|
'name' => 'ins', |
|
73
|
1 |
|
'text' => $matches[1], |
|
74
|
1 |
|
'handler' => 'line', |
|
75
|
|
|
], |
|
76
|
|
|
]; |
|
77
|
|
|
} |
|
78
|
1 |
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* {@inheritdoc} |
|
82
|
|
|
*/ |
|
83
|
|
|
protected function inlineImage($excerpt) |
|
84
|
|
|
{ |
|
85
|
|
|
$image = parent::inlineImage($excerpt); |
|
86
|
|
|
if (!isset($image)) { |
|
87
|
|
|
return null; |
|
88
|
|
|
} |
|
89
|
|
|
// clean source path / URL |
|
90
|
|
|
$image['element']['attributes']['src'] = trim($this->removeQuery($image['element']['attributes']['src'])); |
|
91
|
|
|
// should be lazy loaded? |
|
92
|
|
|
if ($this->builder->getConfig()->get('body.images.lazy.enabled')) { |
|
93
|
|
|
$image['element']['attributes']['loading'] = 'lazy'; |
|
94
|
|
|
} |
|
95
|
|
|
// disable remote image handling |
|
96
|
|
|
if (Util\Url::isUrl($image['element']['attributes']['src']) && !$this->builder->getConfig()->get('body.images.remote.enabled') ?? true) { |
|
97
|
|
|
return $image; |
|
98
|
|
|
} |
|
99
|
|
|
// create asset |
|
100
|
|
|
$asset = new Asset($this->builder, $image['element']['attributes']['src'], ['force_slash' => false]); |
|
101
|
|
|
// get width |
|
102
|
|
|
$width = $asset->getWidth(); |
|
103
|
|
|
$image['element']['attributes']['src'] = $asset; |
|
104
|
|
|
/** |
|
105
|
|
|
* Should be resized? |
|
106
|
|
|
*/ |
|
107
|
|
|
$assetResized = null; |
|
108
|
|
|
if (isset($image['element']['attributes']['width']) |
|
109
|
|
|
&& (int) $image['element']['attributes']['width'] < $width |
|
110
|
|
|
&& $this->builder->getConfig()->get('body.images.resize.enabled') |
|
111
|
|
|
) { |
|
112
|
|
|
$width = (int) $image['element']['attributes']['width']; |
|
113
|
|
|
|
|
114
|
|
|
try { |
|
115
|
|
|
$assetResized = $asset->resize($width); |
|
116
|
|
|
} catch (\Exception $e) { |
|
117
|
|
|
$this->builder->getLogger()->debug($e->getMessage()); |
|
118
|
|
|
|
|
119
|
|
|
return $image; |
|
120
|
|
|
} |
|
121
|
|
|
$image['element']['attributes']['src'] = $assetResized; |
|
122
|
|
|
} |
|
123
|
|
|
// set width |
|
124
|
|
|
if (!isset($image['element']['attributes']['width'])) { |
|
125
|
|
|
$image['element']['attributes']['width'] = $width; |
|
126
|
|
|
} |
|
127
|
|
|
// set height |
|
128
|
|
|
if (!isset($image['element']['attributes']['height'])) { |
|
129
|
|
|
$image['element']['attributes']['height'] = ($assetResized ?? $asset)->getHeight(); |
|
130
|
|
|
} |
|
131
|
|
|
/** |
|
132
|
|
|
* Should be responsive? |
|
133
|
|
|
*/ |
|
134
|
|
|
if ($this->builder->getConfig()->get('body.images.responsive.enabled')) { |
|
135
|
|
|
if ($srcset = Image::buildSrcset( |
|
136
|
|
|
$assetResized ?? $asset, |
|
137
|
|
|
$this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920] |
|
138
|
|
|
)) { |
|
139
|
|
|
$image['element']['attributes']['srcset'] = $srcset; |
|
140
|
|
|
$image['element']['attributes']['sizes'] = $this->builder->getConfig()->get('assets.images.responsive.sizes.default'); |
|
141
|
|
|
} |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
return $image; |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
/** |
|
148
|
|
|
* {@inheritdoc} |
|
149
|
|
|
*/ |
|
150
|
1 |
|
protected function parseAttributeData($attributeString) |
|
151
|
|
|
{ |
|
152
|
1 |
|
$attributes = preg_split('/[ ]+/', $attributeString, -1, PREG_SPLIT_NO_EMPTY); |
|
153
|
1 |
|
$Data = []; |
|
154
|
1 |
|
$HtmlAtt = []; |
|
155
|
|
|
|
|
156
|
1 |
|
foreach ($attributes as $attribute) { |
|
157
|
1 |
|
switch ($attribute[0]) { |
|
158
|
1 |
|
case '#': // ID |
|
159
|
1 |
|
$Data['id'] = substr($attribute, 1); |
|
160
|
1 |
|
break; |
|
161
|
1 |
|
case '.': // Classes |
|
162
|
1 |
|
$classes[] = substr($attribute, 1); |
|
163
|
1 |
|
break; |
|
164
|
|
|
default: // Attributes |
|
165
|
|
|
parse_str($attribute, $parsed); |
|
166
|
1 |
|
$HtmlAtt = array_merge($HtmlAtt, $parsed); |
|
167
|
|
|
} |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
1 |
|
if (isset($classes)) { |
|
171
|
1 |
|
$Data['class'] = implode(' ', $classes); |
|
172
|
|
|
} |
|
173
|
1 |
|
if (!empty($HtmlAtt)) { |
|
174
|
|
|
foreach ($HtmlAtt as $a => $v) { |
|
175
|
|
|
$Data[$a] = trim($v, '"'); |
|
176
|
|
|
} |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
1 |
|
return $Data; |
|
180
|
|
|
} |
|
181
|
|
|
|
|
182
|
|
|
/** |
|
183
|
|
|
* Enhanced image block with <figure>/<figcaption>. |
|
184
|
|
|
*/ |
|
185
|
|
|
protected function blockImage($Line) |
|
186
|
|
|
{ |
|
187
|
|
|
if (1 !== preg_match($this->MarkdownImageRegex, $Line['text'])) { |
|
188
|
|
|
return; |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
$InlineImage = $this->inlineImage($Line); |
|
192
|
|
|
if (!isset($InlineImage)) { |
|
193
|
|
|
return; |
|
194
|
|
|
} |
|
195
|
|
|
|
|
196
|
|
|
$block = $InlineImage; |
|
197
|
|
|
|
|
198
|
|
|
/* |
|
199
|
|
|
<figure> |
|
200
|
|
|
<picture> |
|
201
|
|
|
<source type="image/webp" |
|
202
|
|
|
srcset="..." |
|
203
|
|
|
sizes="..." |
|
204
|
|
|
> |
|
205
|
|
|
<img src="..." |
|
206
|
|
|
srcset="..." |
|
207
|
|
|
sizes="..." |
|
208
|
|
|
> |
|
209
|
|
|
</picture> |
|
210
|
|
|
<figcaption>...</figcaption> |
|
211
|
|
|
</figure> |
|
212
|
|
|
*/ |
|
213
|
|
|
|
|
214
|
|
|
// creates a <picture> element with a <source> (WebP) and an <img> element |
|
215
|
|
|
if ($this->builder->getConfig()->get('body.images.webp.enabled') ?? false && !Image::isAnimatedGif($InlineImage['element']['attributes']['src'])) { |
|
216
|
|
|
try { |
|
217
|
|
|
if (is_string($InlineImage['element']['attributes']['src'])) { |
|
218
|
|
|
throw new RuntimeException(\sprintf('Asset "%s" can\'t be converted to WebP', $InlineImage['element']['attributes']['src'])); |
|
219
|
|
|
} |
|
220
|
|
|
$assetWebp = Image::convertTopWebp($InlineImage['element']['attributes']['src'], $this->builder->getConfig()->get('assets.images.quality') ?? 75); |
|
221
|
|
|
$srcset = ''; |
|
222
|
|
|
if ($this->builder->getConfig()->get('body.images.responsive.enabled')) { |
|
223
|
|
|
$srcset = Image::buildSrcset( |
|
224
|
|
|
$assetWebp, |
|
225
|
|
|
$this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920] |
|
226
|
|
|
); |
|
227
|
|
|
} |
|
228
|
|
|
if (empty($srcset)) { |
|
229
|
|
|
$srcset = (string) $assetWebp; |
|
230
|
|
|
} |
|
231
|
|
|
$PictureBlock = [ |
|
232
|
|
|
'element' => [ |
|
233
|
|
|
'name' => 'picture', |
|
234
|
|
|
'handler' => 'elements', |
|
235
|
|
|
], |
|
236
|
|
|
]; |
|
237
|
|
|
$source = [ |
|
238
|
|
|
'element' => [ |
|
239
|
|
|
'name' => 'source', |
|
240
|
|
|
'attributes' => [ |
|
241
|
|
|
'type' => 'image/webp', |
|
242
|
|
|
'srcset' => $srcset, |
|
243
|
|
|
'sizes' => $this->builder->getConfig()->get('assets.images.responsive.sizes.default'), |
|
244
|
|
|
], |
|
245
|
|
|
], |
|
246
|
|
|
]; |
|
247
|
|
|
$PictureBlock['element']['text'][] = $source['element']; |
|
248
|
|
|
$PictureBlock['element']['text'][] = $InlineImage['element']; |
|
249
|
|
|
$block = $PictureBlock; |
|
250
|
|
|
} catch (RuntimeException $e) { |
|
251
|
|
|
$this->builder->getLogger()->debug($e->getMessage()); |
|
252
|
|
|
} |
|
253
|
|
|
} |
|
254
|
|
|
|
|
255
|
|
|
// put <img> (or <picture>) in a <figure> element if there is a title (<figcaption>) |
|
256
|
|
|
if (!empty($InlineImage['element']['attributes']['title'])) { |
|
257
|
|
|
$FigureBlock = [ |
|
258
|
|
|
'element' => [ |
|
259
|
|
|
'name' => 'figure', |
|
260
|
|
|
'handler' => 'elements', |
|
261
|
|
|
'text' => [ |
|
262
|
|
|
$block['element'], |
|
263
|
|
|
], |
|
264
|
|
|
], |
|
265
|
|
|
]; |
|
266
|
|
|
$InlineFigcaption = [ |
|
267
|
|
|
'element' => [ |
|
268
|
|
|
'name' => 'figcaption', |
|
269
|
|
|
'text' => $InlineImage['element']['attributes']['title'], |
|
270
|
|
|
], |
|
271
|
|
|
]; |
|
272
|
|
|
$FigureBlock['element']['text'][] = $InlineFigcaption['element']; |
|
273
|
|
|
|
|
274
|
|
|
return $FigureBlock; |
|
275
|
|
|
} |
|
276
|
|
|
|
|
277
|
|
|
return $block; |
|
278
|
|
|
} |
|
279
|
|
|
|
|
280
|
|
|
/** |
|
281
|
|
|
* Note block-level markup. |
|
282
|
|
|
* |
|
283
|
|
|
* :::tip |
|
284
|
|
|
* **Tip:** This is an advice. |
|
285
|
|
|
* ::: |
|
286
|
|
|
* |
|
287
|
|
|
* Code inspired by https://github.com/sixlive/parsedown-alert from TJ Miller (@sixlive). |
|
288
|
|
|
*/ |
|
289
|
1 |
|
protected function blockNote($block) |
|
290
|
|
|
{ |
|
291
|
1 |
|
if (preg_match('/:::(.*)/', $block['text'], $matches)) { |
|
292
|
|
|
return [ |
|
293
|
1 |
|
'char' => ':', |
|
294
|
|
|
'element' => [ |
|
295
|
1 |
|
'name' => 'aside', |
|
296
|
1 |
|
'text' => '', |
|
297
|
|
|
'attributes' => [ |
|
298
|
1 |
|
'class' => "note note-{$matches[1]}", |
|
299
|
|
|
], |
|
300
|
|
|
], |
|
301
|
|
|
]; |
|
302
|
|
|
} |
|
303
|
|
|
} |
|
304
|
|
|
|
|
305
|
1 |
|
protected function blockNoteContinue($line, $block) |
|
306
|
|
|
{ |
|
307
|
1 |
|
if (isset($block['complete'])) { |
|
308
|
|
|
return; |
|
309
|
|
|
} |
|
310
|
1 |
|
if (preg_match('/:::/', $line['text'])) { |
|
311
|
1 |
|
$block['complete'] = true; |
|
312
|
|
|
|
|
313
|
1 |
|
return $block; |
|
314
|
|
|
} |
|
315
|
1 |
|
$block['element']['text'] .= $line['text']."\n"; |
|
316
|
|
|
|
|
317
|
1 |
|
return $block; |
|
318
|
|
|
} |
|
319
|
|
|
|
|
320
|
1 |
|
protected function blockNoteComplete($block) |
|
321
|
|
|
{ |
|
322
|
1 |
|
$block['element']['rawHtml'] = $this->text($block['element']['text']); |
|
323
|
1 |
|
unset($block['element']['text']); |
|
324
|
|
|
|
|
325
|
1 |
|
return $block; |
|
326
|
|
|
} |
|
327
|
|
|
|
|
328
|
|
|
/** |
|
329
|
|
|
* Apply Highlight to code blocks. |
|
330
|
|
|
*/ |
|
331
|
1 |
|
protected function blockFencedCodeComplete($block) |
|
332
|
|
|
{ |
|
333
|
1 |
|
$this->builder->getLogger()->error($block['element']['element']['attributes'] ?? 'pouet'); |
|
334
|
|
|
|
|
335
|
1 |
|
if (!isset($block['element']['element']['attributes'])) { |
|
336
|
|
|
//return $block; |
|
337
|
|
|
} |
|
338
|
|
|
|
|
339
|
1 |
|
$code = $block['element']['element']['text']; |
|
340
|
|
|
$languageClass = $block['element']['element']['attributes']['class']; |
|
341
|
|
|
$language = explode('-', $languageClass); |
|
342
|
|
|
$highlighted = $this->highlighter->highlight($language[1], $code); |
|
343
|
|
|
$block['element']['element']['attributes']['class'] = vsprintf('%s hljs %s', [ |
|
344
|
|
|
$languageClass, |
|
345
|
|
|
$highlighted->language, |
|
346
|
|
|
]); |
|
347
|
|
|
$block['element']['element']['rawHtml'] = $highlighted->value; |
|
348
|
|
|
unset($block['element']['element']['text']); |
|
349
|
|
|
|
|
350
|
|
|
return $block; |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
/** |
|
354
|
|
|
* Removes query string from URL. |
|
355
|
|
|
*/ |
|
356
|
|
|
private function removeQuery(string $path): string |
|
357
|
|
|
{ |
|
358
|
|
|
return strtok($path, '?'); |
|
359
|
|
|
} |
|
360
|
|
|
} |
|
361
|
|
|
|
Cecilapp /
Cecil
