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<?php |
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/* |
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* This file is part of the league/commonmark-ext-strikethrough 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\Ext\Strikethrough; |
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use League\CommonMark\Delimiter\Delimiter; |
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use League\CommonMark\Inline\Element\Text; |
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use League\CommonMark\Inline\Parser\EmphasisParser; |
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use League\CommonMark\Inline\Parser\InlineParserInterface; |
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use League\CommonMark\InlineParserContext; |
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final class StrikethroughParser implements InlineParserInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCharacters(): array |
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{ |
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return ['~']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(InlineParserContext $inlineContext): bool |
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{ |
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$cursor = $inlineContext->getCursor(); |
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$charBefore = $cursor->peek(-1); |
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if ($charBefore === null) { |
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$charBefore = "\n"; |
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} |
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$tildes = $cursor->match('/^~~+/'); |
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if ($tildes === null) { |
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return false; |
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} |
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$charAfter = $cursor->getCharacter(); |
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if ($charAfter === null) { |
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$charAfter = "\n"; |
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} |
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list($canOpen, $canClose) = EmphasisParser::determineCanOpenOrClose($charBefore, $charAfter, '~'); |
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$node = new Text($cursor->getPreviousText(), [ |
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'delim' => true, |
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]); |
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$inlineContext->getContainer()->appendChild($node); |
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// Add entry to stack to this opener |
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$delimiter = new Delimiter('~', \mb_strlen($tildes, $cursor->getEncoding()), $node, $canOpen, $canClose); |
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$inlineContext->getDelimiterStack()->push($delimiter); |
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return true; |
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} |
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} |
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thephpleague /
commonmark-ext-strikethrough
