<?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:----NjY2MDk0NDQ4MzM0MjE0OSA5NTExMzY4NTc1MjU1MjE5IDY2NzU0ODY1ODkyMjkyMjQ=