<?php

namespace League\CommonMark\Extension\Embed;

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\LinkParserHelper;

class EmbedStartParser implements BlockStartParserInterface
{
    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
    {
        if ($cursor->isIndented() || $parserState->getParagraphContent() !== null || ! ($parserState->getActiveBlockParser()->isContainer())) {
            return BlockStart::none();
        }

        // 0-3 leading spaces are okay
        $cursor->advanceToNextNonSpaceOrTab();

        // The line must begin with "https://"
        if (! str_starts_with($cursor->getRemainder(), 'https://')) {
            return BlockStart::none();
        }

        // A valid link must be found next
        if (($dest = LinkParserHelper::parseLinkDestination($cursor)) === null) {
            return BlockStart::none();
        }

        // Skip any trailing whitespace
        $cursor->advanceToNextNonSpaceOrTab();

        // We must be at the end of the line; otherwise, this link was not by itself
        if (! $cursor->isAtEnd()) {
            return BlockStart::none();
        }

        return BlockStart::of(new EmbedParser($dest))->at($cursor);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDk1MDE2MDcwNTk4MTgyMCA2MzA1NjQyNjkzMzExNjgyIDQ2NDM3OTY3MTA5NzQ2NjI=