UserSettings.hh

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#ifndef USERSETTINGS_HH
#define USERSETTINGS_HH
 
#include "Command.hh"
 
#include "outer.hh"
#include "view.hh"
 
#include <memory>
#include <string_view>
#include <vector>
 
namespace openmsx {
 
class Setting;
 
class UserSettings
{
public:
        struct Info {
                std::unique_ptr<Setting> setting;
                StringStorage description; // because setting doesn't take ownership
        };
        using Settings = std::vector<Info>;
 
        explicit UserSettings(CommandController& commandController);
 
        void addSetting(Info&& info);
        void deleteSetting(Setting& setting);
        [[nodiscard]] Setting* findSetting(std::string_view name) const;
 
private:
        class Cmd final : public Command {
        public:
                explicit Cmd(CommandController& commandController);
                void execute(std::span<const TclObject> tokens,
                             TclObject& result) override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
 
        private:
                void create (std::span<const TclObject> tokens, TclObject& result);
                void destroy(std::span<const TclObject> tokens, TclObject& result);
                void info   (std::span<const TclObject> tokens, TclObject& result) const;
 
                [[nodiscard]] Info createString (std::span<const TclObject> tokens) const;
                [[nodiscard]] Info createBoolean(std::span<const TclObject> tokens) const;
                [[nodiscard]] Info createInteger(std::span<const TclObject> tokens) const;
                [[nodiscard]] Info createFloat  (std::span<const TclObject> tokens) const;
                [[nodiscard]] Info createEnum   (std::span<const TclObject> tokens) const;
 
                [[nodiscard]] auto getSettingNames() const {
                        return view::transform(
                                OUTER(UserSettings, userSettingCommand).settings,
                                [](const auto& info) { return info.setting->getFullName(); });
                }
        } userSettingCommand;
 
        Settings settings; // unordered
};
 
} // namespace openmsx
 
#endif