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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]> and uAfrica.com (http://uafrica.com) |
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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\Extension\Strikethrough; |
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use League\CommonMark\Delimiter\DelimiterInterface; |
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use League\CommonMark\Delimiter\Processor\CacheableDelimiterProcessorInterface; |
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use League\CommonMark\Node\Inline\AbstractStringContainer; |
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final class StrikethroughDelimiterProcessor implements CacheableDelimiterProcessorInterface |
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{ |
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public function getOpeningCharacter(): string |
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{ |
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return '~'; |
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} |
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public function getClosingCharacter(): string |
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{ |
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return '~'; |
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} |
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public function getMinLength(): int |
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{ |
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return 1; |
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} |
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public function getDelimiterUse(DelimiterInterface $opener, DelimiterInterface $closer): int |
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{ |
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if ($opener->getLength() > 2 && $closer->getLength() > 2) { |
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return 0; |
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} |
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if ($opener->getLength() !== $closer->getLength()) { |
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return 0; |
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} |
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// $opener and $closer are the same length so we just return one of them |
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return $opener->getLength(); |
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} |
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public function process(AbstractStringContainer $opener, AbstractStringContainer $closer, int $delimiterUse): void |
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{ |
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$strikethrough = new Strikethrough(\str_repeat('~', $delimiterUse)); |
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$tmp = $opener->next(); |
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while ($tmp !== null && $tmp !== $closer) { |
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$next = $tmp->next(); |
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$strikethrough->appendChild($tmp); |
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$tmp = $next; |
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} |
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$opener->insertAfter($strikethrough); |
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} |
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public function getCacheKey(DelimiterInterface $closer): string |
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{ |
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return '~' . $closer->getLength(); |
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} |
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} |
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