Method headers

tests/testrequest.cpp:108–121

    C_ATTR(headers, :Local :AutoArgs)
    void headers(Context *c)
    {
        QUrlQuery ret;
        auto headers = c->request()->headers().data();
        std::ranges::sort(headers,
                          [](const Headers::HeaderKeyValue &a, const Headers::HeaderKeyValue &b) {
            return a.key < b.key;
        });

        for (const auto &header : std::as_const(headers)) {
            ret.addQueryItem(QString::fromLatin1(header.key), QString::fromLatin1(header.value));
        }
        c->response()->setBody(ret.toString(QUrl::FullyEncoded));
    }

    C_ATTR(userAgent, :Local :AutoArgs)
    void userAgent(Context *c) { c->response()->setBody(c->request()->userAgent()); }