<?php
declare(strict_types=1);
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);
$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;
}
}