Viewing file:  HtmlBlockStartParser.php (2.08 KB) -rwxrwxr-x
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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\Extension\CommonMark\Node\Block\HtmlBlock;
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;
use League\CommonMark\Util\RegexHelper;
final class HtmlBlockStartParser implements BlockStartParserInterface
{
public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
{
if ($cursor->isIndented() || $cursor->getNextNonSpaceCharacter() !== '<') {
return BlockStart::none();
}
$tmpCursor = clone $cursor;
$tmpCursor->advanceToNextNonSpaceOrTab();
$line = $tmpCursor->getRemainder();
for ($blockType = 1; $blockType <= 7; $blockType++) {
/** @psalm-var HtmlBlock::TYPE_* $blockType */
/** @phpstan-var HtmlBlock::TYPE_* $blockType */
$match = RegexHelper::matchAt(
RegexHelper::getHtmlBlockOpenRegex($blockType),
$line
);
if ($match !== null && ($blockType < 7 || $this->isType7BlockAllowed($cursor, $parserState))) {
return BlockStart::of(new HtmlBlockParser($blockType))->at($cursor);
}
}
return BlockStart::none();
}
private function isType7BlockAllowed(Cursor $cursor, MarkdownParserStateInterface $parserState): bool
{
// Type 7 blocks can't interrupt paragraphs
if ($parserState->getLastMatchedBlockParser()->getBlock() instanceof Paragraph) {
return false;
}
// Even lazy ones
return ! $parserState->getActiveBlockParser()->canHaveLazyContinuationLines();
}
}
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