<?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:----ODQzMjQ3MjkzMTczNjkxNiA4ODc3NjY4ODU1NTgwNTQxIDU4NDQxMjkzMzk1NDkzOTc=