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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 <[email protected]> |
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* |
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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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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namespace League\CommonMark\Reference; |
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use League\CommonMark\Normalizer\TextNormalizer; |
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/** |
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* A collection of references, indexed by label |
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*/ |
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final class ReferenceMap implements ReferenceMapInterface |
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{ |
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/** @var TextNormalizer */ |
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private $normalizer; |
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/** |
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* @var ReferenceInterface[] |
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*/ |
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private $references = []; |
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2859 |
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public function __construct() |
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{ |
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$this->normalizer = new TextNormalizer(); |
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2859 |
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} |
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285 |
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public function addReference(ReferenceInterface $reference): void |
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{ |
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$key = $this->normalizer->normalize($reference->getLabel()); |
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$this->references[$key] = $reference; |
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} |
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public function contains(string $label): bool |
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{ |
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$label = $this->normalizer->normalize($label); |
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return isset($this->references[$label]); |
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} |
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public function getReference(string $label): ?ReferenceInterface |
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{ |
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$label = $this->normalizer->normalize($label); |
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if (!isset($this->references[$label])) { |
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return null; |
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} |
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return $this->references[$label]; |
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} |
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public function listReferences(): iterable |
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{ |
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return \array_values($this->references); |
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} |
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} |
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thephpleague /
commonmark
