TclCallback.cc

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#include "TclCallback.hh"
#include "CommandController.hh"
#include "CliComm.hh"
#include "CommandException.hh"
#include "StringSetting.hh"
#include <iostream>
#include <memory>

using std::string;

namespace openmsx {

TclCallback::TclCallback(
                CommandController& controller,
                string_view name,
                string_view description,
                bool useCliComm_,
                bool save)
        : callbackSetting2(std::make_unique<StringSetting>(
                controller, name, description, string_view{},
                save ? Setting::SAVE : Setting::DONT_SAVE))
        , callbackSetting(*callbackSetting2)
        , useCliComm(useCliComm_)
{
}

TclCallback::TclCallback(StringSetting& setting)
        : callbackSetting(setting)
        , useCliComm(true)
{
}

TclCallback::~TclCallback() = default;

TclObject TclCallback::getValue() const
{
        return getSetting().getValue();
}

TclObject TclCallback::execute()
{
        const auto& callback = getValue();
        if (callback.empty()) return TclObject();

        TclObject command;
        command.addListElement(callback);
        return executeCommon(command);
}

TclObject TclCallback::execute(int arg1)
{
        const auto& callback = getValue();
        if (callback.empty()) return TclObject();

        TclObject command;
        command.addListElement(callback);
        command.addListElement(arg1);
        return executeCommon(command);
}

TclObject TclCallback::execute(int arg1, int arg2)
{
        const auto& callback = getValue();
        if (callback.empty()) return TclObject();

        TclObject command;
        command.addListElement(callback);
        command.addListElement(arg1);
        command.addListElement(arg2);
        return executeCommon(command);
}

TclObject TclCallback::execute(int arg1, string_view arg2)
{
        const auto& callback = getValue();
        if (callback.empty()) return TclObject();

        TclObject command;
        command.addListElement(callback);
        command.addListElement(arg1);
        command.addListElement(arg2);
        return executeCommon(command);
}

TclObject TclCallback::execute(string_view arg1, string_view arg2)
{
        const auto& callback = getValue();
        if (callback.empty()) return TclObject();

        TclObject command;
        command.addListElement(callback);
        command.addListElement(arg1);
        command.addListElement(arg2);
        return executeCommon(command);
}

TclObject TclCallback::executeCommon(TclObject& command)
{
        try {
                return command.executeCommand(callbackSetting.getInterpreter());
        } catch (CommandException& e) {
                string message = strCat(
                        "Error executing callback function \"",
                        getSetting().getFullName(), "\": ", e.getMessage());
                if (useCliComm) {
                        getSetting().getCommandController().getCliComm().printWarning(
                                message);
                } else {
                        std::cerr << message << std::endl;
                }
                return TclObject();
        }
}

} // namespace openmsx