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Revision Autor Zeilennr. Zeile
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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 <colinodell@gmail.com> 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\DelimiterProcessorInterface;
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use League\CommonMark\Node\Inline\AbstractStringContainer;
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final class StrikethroughDelimiterProcessor implements DelimiterProcessorInterface
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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() !== $closer->getLength()) {
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            return 0;
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        }
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        return \min($opener->getLength(), $closer->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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}