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<?php |
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declare(strict_types=1); |
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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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/** @psalm-readonly */ |
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private TextNormalizer $normalizer; |
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/** |
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* @var array<string, ReferenceInterface> |
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* |
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* @psalm-readonly-allow-private-mutation |
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*/ |
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private array $references = []; |
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2484 |
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public function __construct() |
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{ |
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2484 |
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$this->normalizer = new TextNormalizer(); |
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} |
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270 |
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public function add(ReferenceInterface $reference): void |
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{ |
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// Normalize the key |
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270 |
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$key = $this->normalizer->normalize($reference->getLabel()); |
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// Store the reference |
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270 |
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$this->references[$key] = $reference; |
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} |
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180 |
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public function contains(string $label): bool |
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{ |
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if ($this->references === []) { |
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return false; |
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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 get(string $label): ?ReferenceInterface |
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{ |
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if ($this->references === []) { |
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return null; |
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} |
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$label = $this->normalizer->normalize($label); |
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return $this->references[$label] ?? null; |
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} |
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/** |
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* @return \Traversable<string, ReferenceInterface> |
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*/ |
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2 |
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public function getIterator(): \Traversable |
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{ |
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2 |
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foreach ($this->references as $normalizedLabel => $reference) { |
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yield $normalizedLabel => $reference; |
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} |
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} |
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4 |
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public function count(): int |
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{ |
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return \count($this->references); |
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} |
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} |
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thephpleague /
commonmark
