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<?php
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/*
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* This file is part of the league/commonmark package.
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*
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* (c) Colin O'Dell <colinodell@gmail.com>
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* (c) Rezo Zero / Ambroise Maupate
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace League\CommonMark\Extension\Footnote\Parser;
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use League\CommonMark\Environment\EnvironmentAwareInterface;
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use League\CommonMark\Environment\EnvironmentInterface;
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use League\CommonMark\Extension\Footnote\Node\FootnoteRef;
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use League\CommonMark\Normalizer\TextNormalizerInterface;
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use League\CommonMark\Parser\Inline\InlineParserInterface;
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use League\CommonMark\Parser\Inline\InlineParserMatch;
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use League\CommonMark\Parser\InlineParserContext;
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use League\CommonMark\Reference\Reference;
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use League\Config\ConfigurationInterface;
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final class AnonymousFootnoteRefParser implements InlineParserInterface, EnvironmentAwareInterface
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{
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private ConfigurationInterface $config;
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/** @psalm-readonly-allow-private-mutation */
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private TextNormalizerInterface $slugNormalizer;
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public function getMatchDefinition(): InlineParserMatch
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{
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return InlineParserMatch::regex('\^\[([^\]]+)\]');
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}
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public function parse(InlineParserContext $inlineContext): bool
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{
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$inlineContext->getCursor()->advanceBy($inlineContext->getFullMatchLength());
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[$label] = $inlineContext->getSubMatches();
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$reference = $this->createReference($label);
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$inlineContext->getContainer()->appendChild(new FootnoteRef($reference, $label));
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return true;
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}
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private function createReference(string $label): Reference
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{
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$refLabel = $this->slugNormalizer->normalize($label, ['length' => 20]);
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return new Reference(
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$refLabel,
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'#' . $this->config->get('footnote/footnote_id_prefix') . $refLabel,
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$label
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);
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}
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public function setEnvironment(EnvironmentInterface $environment): void
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{
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$this->config = $environment->getConfiguration();
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$this->slugNormalizer = $environment->getSlugNormalizer();
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}
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}
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