54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
<?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>
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*
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
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* - (c) John MacFarlane
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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\Parser\Inline;
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use League\CommonMark\Node\Inline\Newline;
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use League\CommonMark\Node\Inline\Text;
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use League\CommonMark\Parser\InlineParserContext;
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final class NewlineParser implements InlineParserInterface
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{
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public function getMatchDefinition(): InlineParserMatch
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{
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return InlineParserMatch::regex('\\n');
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}
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public function parse(InlineParserContext $inlineContext): bool
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{
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$inlineContext->getCursor()->advanceBy(1);
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// Check previous inline for trailing spaces
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$spaces = 0;
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$lastInline = $inlineContext->getContainer()->lastChild();
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if ($lastInline instanceof Text) {
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$trimmed = \rtrim($lastInline->getLiteral(), ' ');
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$spaces = \strlen($lastInline->getLiteral()) - \strlen($trimmed);
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if ($spaces) {
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$lastInline->setLiteral($trimmed);
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}
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}
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if ($spaces >= 2) {
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$inlineContext->getContainer()->appendChild(new Newline(Newline::HARDBREAK));
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} else {
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$inlineContext->getContainer()->appendChild(new Newline(Newline::SOFTBREAK));
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}
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return true;
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}
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}
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