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<?php
namespace League\CommonMark\Extras\StrikeThrough;
use League\CommonMark\Inline\Element\Text;
use League\CommonMark\Inline\Parser\AbstractInlineParser;
use League\CommonMark\InlineParserContext;
class StrikeThroughParser extends AbstractInlineParser {
public function getCharacters()
{
return ['~'];
}
public function parse(InlineParserContext $inlineContext)
$cursor = $inlineContext->getCursor();
$character = $cursor->getCharacter();
if ($cursor->peek(1) != $character) {
return false;
$tildes = $cursor->match('/^~~+/');
if ($tildes === '') {
false;
$previousState = $cursor->saveState();
$currentPosition = $cursor->getPosition();
while ($matchingTildes = $cursor->match('/~~+/m')) {
if ($matchingTildes === $tildes) {
$text = mb_substr($cursor->getLine(), $currentPosition, $cursor->getPosition() - $currentPosition - strlen($tildes), 'utf-8');
$text = preg_replace('/[ \n]+/', ' ', $text);
$inlineContext->getContainer()->appendChild(new StrikeThroughElement(trim($text)));
return true;
$cursor->restoreState($previousState);
$inlineContext->getContainer()->appendChild(new Text($tildes));
thephpleague /
commonmark-extras
