SettingsManager.hh

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#ifndef SETTINGSMANAGER_HH
#define SETTINGSMANAGER_HH
 
#include "Command.hh"
#include "InfoTopic.hh"
#include "Setting.hh"
#include "TclObject.hh"
 
#include "hash_set.hh"
 
#include <string_view>
 
namespace openmsx {
 
class SettingsConfig;
class GlobalCommandController;
 
class SettingsManager
{
public:
        SettingsManager(const SettingsManager&) = delete;
        SettingsManager& operator=(const SettingsManager&) = delete;
 
        explicit SettingsManager(GlobalCommandController& commandController);
        ~SettingsManager();
 
        [[nodiscard]] BaseSetting* findSetting(std::string_view name) const;
        [[nodiscard]] BaseSetting* findSetting(std::string_view prefix, std::string_view baseName) const;
 
        void loadSettings(const SettingsConfig& config) const;
 
        void registerSetting  (BaseSetting& setting);
        void unregisterSetting(BaseSetting& setting);
 
        [[nodiscard]] const auto& getAllSettings() const { return settings; }
 
private:
        [[nodiscard]] BaseSetting& getByName(std::string_view cmd, std::string_view name) const;
        [[nodiscard]] std::vector<std::string> getTabSettingNames() const;
 
private:
        struct SettingInfo final : InfoTopic {
                explicit SettingInfo(InfoCommand& openMSXInfoCommand);
                void execute(std::span<const TclObject> tokens,
                             TclObject& result) const override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
        } settingInfo;
 
        struct SetCompleter final : CommandCompleter {
                explicit SetCompleter(CommandController& commandController);
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
        } setCompleter;
 
        class SettingCompleter final : public CommandCompleter {
        public:
                SettingCompleter(CommandController& commandController,
                                 SettingsManager& manager,
                                 const std::string& name);
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
        private:
                SettingsManager& manager;
        };
        SettingCompleter incrCompleter;
        SettingCompleter unsetCompleter;
 
        struct NameFromSetting {
                [[nodiscard]] const TclObject& operator()(const BaseSetting* s) const {
                        return s->getFullNameObj();
                }
        };
        hash_set<BaseSetting*, NameFromSetting, XXTclHasher> settings;
};
 
} // namespace openmsx
 
#endif