<?php

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();
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Nzc2OTI5NTg1MjQzNDE2MCA4Nzg0OTMzNDc2NjA4MTM1IDYyODcwMzU4NzQyNTA5NTA=