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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <[email protected]>
* (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);
private function createReference(string $label): Reference
return new Reference($label, '#fn:' . $label, $label);
thephpleague /
commonmark
