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Edit File: AnonymousFootnoteRefParser.php

<?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();
    }
}

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