Method processSignals

tools/xml2cpp-codegen/AdaptorGenerator.cpp:258–319

std::tuple<std::vector<std::string>, std::string> AdaptorGenerator::processSignals(const Nodes& signals) const
{
    std::ostringstream signalMethodSS;

    std::vector<std::string> signalRegistrations;

    for (const auto& signal : signals)
    {
        std::stringstream signalRegistrationSS;

        auto name = signal->get("name");

        auto annotations = getAnnotations(*signal);
        std::string annotationRegistration;
        for (const auto& annotation : annotations)
        {
            const auto& annotationName = annotation.first;
            const auto& annotationValue = annotation.second;

            if (annotationName == "org.freedesktop.DBus.Deprecated" && annotationValue == "true")
                annotationRegistration += ".markAsDeprecated()";
            else
                std::cerr << "Node: " << name << ": "
                          << "Option '" << annotationName << "' not allowed or supported in this context! Option ignored..." << std::endl;
        }

        Nodes args = (*signal)["arg"];

        std::string argStr, argTypeStr, typeStr, argStringsStr;
        std::tie(argStr, argTypeStr, typeStr, argStringsStr) = argsToNamesAndTypes(args);

        signalRegistrationSS << "sdbus::registerSignal(\"" << name << "\")";

        if (args.size() > 0)
        {
            signalRegistrationSS << ".withParameters<" << typeStr << ">(" << argStringsStr << ")";
        }

        signalRegistrationSS << annotationRegistration;

        signalRegistrations.push_back(signalRegistrationSS.str());

        auto nameWithCapFirstLetter = name;
        nameWithCapFirstLetter[0] = std::toupper(nameWithCapFirstLetter[0]);
        nameWithCapFirstLetter = mangle_name(nameWithCapFirstLetter);

        signalMethodSS << tab << "void emit" << nameWithCapFirstLetter << "(" << argTypeStr << ")" << endl
                << tab << "{" << endl
                << tab << tab << "m_object.emitSignal(\"" << name << "\")"
                        ".onInterface(INTERFACE_NAME)";

        if (!argStr.empty())
        {
            signalMethodSS << ".withArguments(" << argStr << ")";
        }

        signalMethodSS << ";" << endl
                << tab << "}" << endl << endl;