<?php

namespace League\CommonMark\Extension\CommonMark\Parser\Block;

use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\MarkdownParserStateInterface;

final class FencedCodeStartParser implements BlockStartParserInterface
{
    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
    {
        if ($cursor->isIndented() || ! \in_array($cursor->getNextNonSpaceCharacter(), ['`', '~'], true)) {
            return BlockStart::none();
        }

        $indent = $cursor->getIndent();
        $fence  = $cursor->match('/^[ \t]*(?:`{3,}(?!.*`)|~{3,})/');
        if ($fence === null) {
            return BlockStart::none();
        }

        // fenced code block
        $fence = \ltrim($fence, " \t");

        return BlockStart::of(new FencedCodeParser(\strlen($fence), $fence[0], $indent))->at($cursor);
    }
}
__halt_compiler();----SIGNATURE:----MeUXTqo56VQZj9G7W5A3akc1wTNju8mafHAEKaF3W2DCS1jJ82ZKHiZfX1lYRz35BZDPu2XbP6A5YtBV1cLofqRf4EQ6/SPK0fGPtZUuHJGMMKDOayiPpfzc1ka6NwITZVadlO5de7znja9jMx4IxBDDdllXpb0m2pYwixwn7tbuSKmEFvlohzg1DkCjt0sMfylmy2chPB8orYeIk7Joun+TPn2XcZOdXoo6/2IN2/II1aKjSav7Zfb/M2I5TB19q7dr1nWQpaXjiN6kKIy4ianfPNqv5QfKGLkQzidh6qd1Tq9oI7AkugGZ8Sjg2zMZU6WLKWWHFx/CYYAoomEWUT7hE/lq+i/peUssoOUprijV/PC6fByPcGEZP+K5AH+WJjMKql0UlsUe7GHKf9k8WawpjJJEMIrmLkPP2OkdMeUpka+eypvioLSEGoM0BFzT9pRCEwFu095salgm/Adp98d8cuglaAZL0p7pUB75aEOHTS9Vw4ks0+dWGeDQ0mpEQlIY58Rxagt7JyYfduwk4t+FxVWPx9GY5dtX9JBCoYMcEGrxErqs8J9RP2gH3GHasqi/IkG4QETFHqaVOWuJ/0L5vhjiXztoz4VGvXu0dhRPaNnVXMtkFi4hsVJqCzi37IM2DpyGy2AXde90B9qGFlQuRGTmVcFcIkMRKO37iTU=----ATTACHMENT:----NzI4MDA0NTAzNzAzNDk3NyAxMDIxMDM2MjkwNTkwNzc2IDQzNjUyODg1MTc5MTA4NjE=