MSXCommandController.cc

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#include "MSXCommandController.hh"
#include "GlobalCommandController.hh"
#include "Reactor.hh"
#include "MSXEventDistributor.hh"
#include "MSXMotherBoard.hh"
#include "SettingsManager.hh"
#include "InfoCommand.hh"
#include "Interpreter.hh"
#include "Setting.hh"
#include "Event.hh"
#include "MSXException.hh"
#include "stl.hh"
#include <iostream>
#include <memory>

using std::string;
using std::string_view;

namespace openmsx {

MSXCommandController::MSXCommandController(
                GlobalCommandController& globalCommandController_,
                Reactor& reactor_,
                MSXMotherBoard& motherboard_,
                MSXEventDistributor& msxEventDistributor_,
                const std::string& machineID_)
        : globalCommandController(globalCommandController_)
        , reactor(reactor_)
        , motherboard(motherboard_)
        , msxEventDistributor(msxEventDistributor_)
        , machineID(strCat("::", machineID_, "::"))
{
        globalCommandController.getInterpreter().createNamespace(machineID);

        machineInfoCommand = std::make_unique<InfoCommand>(*this, "machine_info");
        machineInfoCommand->setAllowedInEmptyMachine(true);

        msxEventDistributor.registerEventListener(*this);
}

MSXCommandController::~MSXCommandController()
{
        msxEventDistributor.unregisterEventListener(*this);

        machineInfoCommand.reset();

        #ifndef NDEBUG
        for (auto* c : commandMap) {
                std::cout << "Command not unregistered: " << c->getName() << '\n';
        }
        for (auto* s : settings) {
                std::cout << "Setting not unregistered: " << s->getFullName() << '\n';
        }
        assert(commandMap.empty());
        assert(settings.empty());
        #endif

        globalCommandController.getInterpreter().deleteNamespace(machineID);
}

string MSXCommandController::getFullName(string_view name)
{
        return strCat(machineID, name);
}

void MSXCommandController::registerCommand(Command& command, const string& str)
{
        assert(!hasCommand(str));
        assert(command.getName() == str);
        commandMap.insert_noDuplicateCheck(&command);

        string fullname = getFullName(str);
        globalCommandController.registerCommand(command, fullname);
        globalCommandController.registerProxyCommand(str);

        command.setAllowedInEmptyMachine(false);
}

void MSXCommandController::unregisterCommand(Command& command, string_view str)
{
        assert(hasCommand(str));
        assert(command.getName() == str);
        commandMap.erase(str);

        globalCommandController.unregisterProxyCommand(str);
        string fullname = getFullName(str);
        globalCommandController.unregisterCommand(command, fullname);
}

void MSXCommandController::registerCompleter(CommandCompleter& completer,
                                             string_view str)
{
        string fullname = getFullName(str);
        globalCommandController.registerCompleter(completer, fullname);
}

void MSXCommandController::unregisterCompleter(CommandCompleter& completer,
                                               string_view str)
{
        string fullname = getFullName(str);
        globalCommandController.unregisterCompleter(completer, fullname);
}

void MSXCommandController::registerSetting(Setting& setting)
{
        setting.setPrefix(machineID);

        settings.push_back(&setting);

        globalCommandController.registerProxySetting(setting);
        globalCommandController.getSettingsManager().registerSetting(setting);
        globalCommandController.getInterpreter().registerSetting(setting);
}

void MSXCommandController::unregisterSetting(Setting& setting)
{
        move_pop_back(settings, rfind_unguarded(settings, &setting));

        globalCommandController.unregisterProxySetting(setting);
        globalCommandController.getInterpreter().unregisterSetting(setting);
        globalCommandController.getSettingsManager().unregisterSetting(setting);
}

Command* MSXCommandController::findCommand(string_view name) const
{
        auto it = commandMap.find(name);
        return (it != end(commandMap)) ? *it : nullptr;
}

bool MSXCommandController::hasCommand(string_view command) const
{
        return findCommand(command) != nullptr;
}

TclObject MSXCommandController::executeCommand(const string& command,
                                               CliConnection* connection)
{
        return globalCommandController.executeCommand(command, connection);
}

CliComm& MSXCommandController::getCliComm()
{
        return motherboard.getMSXCliComm();
}

Interpreter& MSXCommandController::getInterpreter()
{
        return globalCommandController.getInterpreter();
}

void MSXCommandController::signalMSXEvent(
        const std::shared_ptr<const Event>& event, EmuTime::param /*time*/)
{
        if (event->getType() != OPENMSX_MACHINE_ACTIVATED) return;

        // simple way to synchronize proxy settings
        for (auto* s : settings) {
                try {
                        getInterpreter().setVariable(
                                s->getFullNameObj(), s->getValue());
                } catch (MSXException&) {
                        // ignore
                }
        }
}

bool MSXCommandController::isActive() const
{
        return reactor.getMotherBoard() == &motherboard;
}

void MSXCommandController::transferSettings(const MSXCommandController& from)
{
        const auto& fromPrefix = from.getPrefix();
        auto& manager = globalCommandController.getSettingsManager();
        for (auto* s : settings) {
                if (auto* fromSetting = manager.findSetting(fromPrefix, s->getBaseName())) {
                        if (!fromSetting->needTransfer()) continue;
                        try {
                                getInterpreter().setVariable(
                                        s->getFullNameObj(), fromSetting->getValue());
                        } catch (MSXException&) {
                                // ignore
                        }
                }
        }
}

} // namespace openmsx