blob: 496124e7ca2d4e0e350d35cd064285beff0bb261 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
* (c) Rezo Zero / Ambroise Maupate
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace League\CommonMark\Extension\Footnote\Parser;
use League\CommonMark\Extension\Footnote\Node\FootnoteRef;
use League\CommonMark\Inline\Parser\InlineParserInterface;
use League\CommonMark\InlineParserContext;
use League\CommonMark\Reference\Reference;
final class FootnoteRefParser implements InlineParserInterface
{
public function getCharacters(): array
{
return ['['];
}
public function parse(InlineParserContext $inlineContext): bool
{
$container = $inlineContext->getContainer();
$cursor = $inlineContext->getCursor();
$nextChar = $cursor->peek();
if ($nextChar !== '^') {
return false;
}
$state = $cursor->saveState();
$m = $cursor->match('#\[\^([^\]]+)\]#');
if ($m !== null) {
if (\preg_match('#\[\^([^\]]+)\]#', $m, $matches) > 0) {
$container->appendChild(new FootnoteRef($this->createReference($matches[1])));
return true;
}
}
$cursor->restoreState($state);
return false;
}
private function createReference(string $label): Reference
{
return new Reference($label, '#fn:' . $label, $label);
}
}
|
