mint/api-v12/app/Tools/Markdown.php

<?php

namespace App\Tools;

use Illuminate\Support\Str;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Http;

class Markdown
{
    public static function driver($driver)
    {
        $GLOBALS['markdown.driver'] = $driver;
    }
    public static function render($text)
    {
        if (
            isset($GLOBALS['markdown.driver']) &&
            $GLOBALS['markdown.driver'] === 'str'
        ) {
            return Markdown::strdown($text);
        } else {
            return Markdown::strdown($text);
        }
    }
    public static function morus_restful($text)
    {
        $host = config('mint.server.rpc.morus.host');
        Log::debug('morus host=' . $host);

        $response = Http::post($host, [
            'text' => $text
        ]);
        if ($response->successful()) {
            return $response->json('data');
        } else {
            Log::error('morus_restful fail markdown=' . $text);
            return Str::markdown($text);
        }
    }

    public static function morus($text)
    {

        if (isset($GLOBALS['morus_client'])) {
            $client = $GLOBALS['morus_client'];
        } else {
            $host = config('mint.server.rpc.morus.host') . ':' . config('mint.server.rpc.morus.port');
            Log::debug('morus host=' . $host);
            $client = new \Mint\Morus\V1\MarkdownClient($host, [
                'credentials' => \Grpc\ChannelCredentials::createInsecure(),
            ]);
            $GLOBALS['morus_client'] = $client;
        }

        $request = new \Mint\Morus\V1\MarkdownToHtmlRequest();
        $request->setPayload($text);
        $request->setSanitize(true);
        list($response, $status) = $client->ToHtml($request)->wait();
        if ($status->code !== \Grpc\STATUS_OK) {
            Log::error("ERROR: " . $status->code . ", " . $status->details);
            return Str::markdown($text);
        }
        return $response->getPayload();
    }

    public static function strdown($text)
    {
        $text = str_replace("** ", "**\r\n ", $text);
        $html = Str::markdown($text);
        $html = self::replaceSinglePWithSpan($html);
        return $html;
    }
    /**
     * 如果字符串中只有一对 p 标签，则替换为 span
     *
     * @param string $html
     * @return string
     */
    public static function replaceSinglePWithSpan(string $html): string
    {
        preg_match_all('/<p\b[^>]*>.*?<\/p>/is', $html, $matches);

        if (count($matches[0]) === 1) {
            return preg_replace(
                ['/^\s*<p\b([^>]*)>/i', '/<\/p>\s*$/i'],
                ['<span$1>', '</span>'],
                $html
            );
        }

        return $html;
    }
}