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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com> and uAfrica.com (http://uafrica.com)
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\Strikethrough;
use League\CommonMark\Delimiter\DelimiterInterface;
use League\CommonMark\Delimiter\Processor\DelimiterProcessorInterface;
use League\CommonMark\Node\Inline\AbstractStringContainer;
final class StrikethroughDelimiterProcessor implements DelimiterProcessorInterface
{
public function getOpeningCharacter(): string
{
return '~';
}
public function getClosingCharacter(): string
{
return '~';
}
public function getMinLength(): int
{
return 2;
}
public function getDelimiterUse(DelimiterInterface $opener, DelimiterInterface $closer): int
{
$min = \min($opener->getLength(), $closer->getLength());
return $min >= 2 ? $min : 0;
}
public function process(AbstractStringContainer $opener, AbstractStringContainer $closer, int $delimiterUse): void
{
$strikethrough = new Strikethrough(\str_repeat('~', $delimiterUse));
$tmp = $opener->next();
while ($tmp !== null && $tmp !== $closer) {
$next = $tmp->next();
$strikethrough->appendChild($tmp);
$tmp = $next;
}
$opener->insertAfter($strikethrough);
}
}
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