AnonymousFootnoteRefParser.php
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<?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\Environment\EnvironmentAwareInterface;
use League\CommonMark\Environment\EnvironmentInterface;
use League\CommonMark\Extension\Footnote\Node\FootnoteRef;
use League\CommonMark\Normalizer\TextNormalizerInterface;
use League\CommonMark\Parser\Inline\InlineParserInterface;
use League\CommonMark\Parser\Inline\InlineParserMatch;
use League\CommonMark\Parser\InlineParserContext;
use League\CommonMark\Reference\Reference;
use League\Config\ConfigurationInterface;
final class AnonymousFootnoteRefParser implements InlineParserInterface, EnvironmentAwareInterface
{
private ConfigurationInterface $config;
/** @psalm-readonly-allow-private-mutation */
private TextNormalizerInterface $slugNormalizer;
public function getMatchDefinition(): InlineParserMatch
{
return InlineParserMatch::regex('\^\[([^\]]+)\]');
}
public function parse(InlineParserContext $inlineContext): bool
{
$inlineContext->getCursor()->advanceBy($inlineContext->getFullMatchLength());
[$label] = $inlineContext->getSubMatches();
$reference = $this->createReference($label);
$inlineContext->getContainer()->appendChild(new FootnoteRef($reference, $label));
return true;
}
private function createReference(string $label): Reference
{
$refLabel = $this->slugNormalizer->normalize($label, ['length' => 20]);
return new Reference(
$refLabel,
'#' . $this->config->get('footnote/footnote_id_prefix') . $refLabel,
$label
);
}
public function setEnvironment(EnvironmentInterface $environment): void
{
$this->config = $environment->getConfiguration();
$this->slugNormalizer = $environment->getSlugNormalizer();
}
}