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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>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Parser\Inline;
use League\CommonMark\Node\Inline\Newline;
use League\CommonMark\Node\Inline\Text;
use League\CommonMark\Parser\InlineParserContext;
final class NewlineParser implements InlineParserInterface
{
public function getMatchDefinition(): InlineParserMatch
{
return InlineParserMatch::regex('\\n');
}
public function parse(InlineParserContext $inlineContext): bool
{
$inlineContext->getCursor()->advanceBy(1);
// Check previous inline for trailing spaces
$spaces = 0;
$lastInline = $inlineContext->getContainer()->lastChild();
if ($lastInline instanceof Text) {
$trimmed = \rtrim($lastInline->getLiteral(), ' ');
$spaces = \strlen($lastInline->getLiteral()) - \strlen($trimmed);
if ($spaces) {
$lastInline->setLiteral($trimmed);
}
}
if ($spaces >= 2) {
$inlineContext->getContainer()->appendChild(new Newline(Newline::HARDBREAK));
} else {
$inlineContext->getContainer()->appendChild(new Newline(Newline::SOFTBREAK));
}
return true;
}
}
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