IndentedCodeStartParser.php
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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>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\CommonMark\Parser\Block;
use League\CommonMark\Node\Block\Paragraph;
use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\MarkdownParserStateInterface;
final class IndentedCodeStartParser implements BlockStartParserInterface
{
public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
{
if (! $cursor->isIndented()) {
return BlockStart::none();
}
if ($parserState->getActiveBlockParser()->getBlock() instanceof Paragraph) {
return BlockStart::none();
}
if ($cursor->isBlank()) {
return BlockStart::none();
}
$cursor->advanceBy(Cursor::INDENT_LEVEL, true);
return BlockStart::of(new IndentedCodeParser())->at($cursor);
}
}