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<?php
/*
* 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\Block\Parser;
use League\CommonMark\Block\Element\HtmlBlock;
use League\CommonMark\Block\Element\Paragraph;
use League\CommonMark\ContextInterface;
use League\CommonMark\Cursor;
use League\CommonMark\Util\RegexHelper;
final class HtmlBlockParser implements BlockParserInterface
{
public function parse(ContextInterface $context, Cursor $cursor): bool
{
if ($cursor->isIndented()) {
return false;
}
if ($cursor->getNextNonSpaceCharacter() !== '<') {
return false;
}
$savedState = $cursor->saveState();
$cursor->advanceToNextNonSpaceOrTab();
$line = $cursor->getRemainder();
for ($blockType = 1; $blockType <= 7; $blockType++) {
$match = RegexHelper::matchAt(
RegexHelper::getHtmlBlockOpenRegex($blockType),
$line
);
if ($match !== null && ($blockType < 7 || !($context->getContainer() instanceof Paragraph))) {
$cursor->restoreState($savedState);
$context->addBlock(new HtmlBlock($blockType));
$context->setBlocksParsed(true);
return true;
}
}
$cursor->restoreState($savedState);
return false;
}
}