<?php

namespace League\CommonMark\Extension\Footnote\Parser;

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\Reference\Reference;
use League\CommonMark\Util\RegexHelper;

final class FootnoteStartParser implements BlockStartParserInterface
{
    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
    {
        if ($cursor->isIndented() || $parserState->getLastMatchedBlockParser()->canHaveLazyContinuationLines()) {
            return BlockStart::none();
        }

        $match = RegexHelper::matchFirst(
            '/^\[\^([^\s^\]]+)\]\:(?:\s|$)/',
            $cursor->getLine(),
            $cursor->getNextNonSpacePosition()
        );

        if (! $match) {
            return BlockStart::none();
        }

        $cursor->advanceToNextNonSpaceOrTab();
        $cursor->advanceBy(\strlen($match[0]));
        $str = $cursor->getRemainder();
        \preg_replace('/^\[\^([^\s^\]]+)\]\:(?:\s|$)/', '', $str);

        if (\preg_match('/^\[\^([^\s^\]]+)\]\:(?:\s|$)/', $match[0], $matches) !== 1) {
            return BlockStart::none();
        }

        $reference      = new Reference($matches[1], $matches[1], $matches[1]);
        $footnoteParser = new FootnoteParser($reference);

        return BlockStart::of($footnoteParser)->at($cursor);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzgyNjk1MzY4NTkwNTkzOSA0MDU4NDI0NzM0NjE0NjAyIDIyNTQ4MDQ0OTM5OTExMjY=