<?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:----Njg1OTMxMDE4MTQwNDEyOCAzNzE5MTM2MjA2OTc5OTMyIDI0MjM3MzcxNjQwNjUwNDY=