1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the league/commonmark package. |
5
|
|
|
* |
6
|
|
|
* (c) Colin O'Dell <[email protected]> |
7
|
|
|
* (c) Rezo Zero / Ambroise Maupate |
8
|
|
|
* |
9
|
|
|
* For the full copyright and license information, please view the LICENSE |
10
|
|
|
* file that was distributed with this source code. |
11
|
|
|
*/ |
12
|
|
|
|
13
|
|
|
declare(strict_types=1); |
14
|
|
|
|
15
|
|
|
namespace League\CommonMark\Extension\Footnote\Parser; |
16
|
|
|
|
17
|
|
|
use League\CommonMark\Block\Parser\BlockParserInterface; |
18
|
|
|
use League\CommonMark\ContextInterface; |
19
|
|
|
use League\CommonMark\Cursor; |
20
|
|
|
use League\CommonMark\Extension\Footnote\Node\Footnote; |
21
|
|
|
use League\CommonMark\Reference\Reference; |
22
|
|
|
use League\CommonMark\Util\RegexHelper; |
23
|
|
|
|
24
|
|
|
final class FootnoteParser implements BlockParserInterface |
25
|
|
|
{ |
26
|
42 |
|
public function parse(ContextInterface $context, Cursor $cursor): bool |
27
|
|
|
{ |
28
|
42 |
|
if ($cursor->isIndented()) { |
29
|
|
|
return false; |
30
|
|
|
} |
31
|
|
|
|
32
|
42 |
|
$match = RegexHelper::matchAll( |
33
|
42 |
|
'/^\[\^([^\n^\]]+)\]\:\s/', |
34
|
42 |
|
$cursor->getLine(), |
35
|
42 |
|
$cursor->getNextNonSpacePosition() |
36
|
|
|
); |
37
|
|
|
|
38
|
42 |
|
if (!$match) { |
39
|
42 |
|
return false; |
40
|
|
|
} |
41
|
|
|
|
42
|
18 |
|
$cursor->advanceToNextNonSpaceOrTab(); |
43
|
18 |
|
$cursor->advanceBy(\strlen($match[0])); |
44
|
18 |
|
$str = $cursor->getRemainder(); |
45
|
18 |
|
\preg_replace('/^\[\^([^\n^\]]+)\]\:\s/', '', $str); |
46
|
|
|
|
47
|
18 |
|
if (\preg_match('/^\[\^([^\n^\]]+)\]\:\s/', $match[0], $matches) > 0) { |
48
|
18 |
|
$context->addBlock($this->createFootnote($matches[1])); |
49
|
18 |
|
$context->setBlocksParsed(true); |
50
|
|
|
|
51
|
18 |
|
return true; |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
return false; |
55
|
|
|
} |
56
|
|
|
|
57
|
18 |
|
private function createFootnote(string $label): Footnote |
58
|
|
|
{ |
59
|
18 |
|
return new Footnote( |
60
|
18 |
|
new Reference($label, $label, $label) |
61
|
|
|
); |
62
|
|
|
} |
63
|
|
|
} |
64
|
|
|
|