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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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* Additional emphasis processing code based on commonmark-java (https://github.com/atlassian/commonmark-java) |
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* - (c) Atlassian Pty Ltd |
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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\Delimiter\Processor; |
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final class DelimiterProcessorCollection implements DelimiterProcessorCollectionInterface |
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{ |
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/** @var array<string,DelimiterProcessorInterface>|DelimiterProcessorInterface[] */ |
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private $processorsByChar = []; |
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2079 |
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public function add(DelimiterProcessorInterface $processor) |
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{ |
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$opening = $processor->getOpeningCharacter(); |
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$closing = $processor->getClosingCharacter(); |
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if ($opening === $closing) { |
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$old = $this->processorsByChar[$opening] ?? null; |
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if ($old !== null && $old->getOpeningCharacter() === $old->getClosingCharacter()) { |
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$this->addStaggeredDelimiterProcessorForChar($opening, $old, $processor); |
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} else { |
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$this->addDelimiterProcessorForChar($opening, $processor); |
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} |
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} else { |
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$this->addDelimiterProcessorForChar($opening, $processor); |
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$this->addDelimiterProcessorForChar($closing, $processor); |
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} |
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} |
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public function getDelimiterProcessor(string $char): ?DelimiterProcessorInterface |
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{ |
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return $this->processorsByChar[$char] ?? null; |
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} |
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public function getDelimiterCharacters(): array |
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{ |
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return array_keys($this->processorsByChar); |
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} |
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private function addDelimiterProcessorForChar(string $delimiterChar, DelimiterProcessorInterface $processor) |
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{ |
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if (isset($this->processorsByChar[$delimiterChar])) { |
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throw new \InvalidArgumentException(sprintf('Delim processor for character "%s" already exists', $processor->getOpeningCharacter())); |
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} |
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$this->processorsByChar[$delimiterChar] = $processor; |
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} |
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private function addStaggeredDelimiterProcessorForChar(string $opening, DelimiterProcessorInterface $old, DelimiterProcessorInterface $new): void |
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{ |
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if ($old instanceof StaggeredDelimiterProcessor) { |
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$s = $old; |
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} else { |
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$s = new StaggeredDelimiterProcessor($opening, $old); |
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} |
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$s->add($new); |
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$this->processorsByChar[$opening] = $s; |
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} |
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} |
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thephpleague /
commonmark
