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◆ main openmsx / src / settings / SettingsManager.hh
2.6 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#ifndef SETTINGSMANAGER_HH
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#define SETTINGSMANAGER_HH
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#include "Command.hh"
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#include "InfoTopic.hh"
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#include "Setting.hh"
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#include "TclObject.hh"
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#include "hash_set.hh"
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#include <string_view>
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namespace openmsx {
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class SettingsConfig;
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class GlobalCommandController;
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/** Manages all settings.
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  */
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class SettingsManager
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{
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public:
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	explicit SettingsManager(GlobalCommandController& commandController);
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	SettingsManager(const SettingsManager&) = delete;
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	SettingsManager(SettingsManager&&) = delete;
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	SettingsManager& operator=(const SettingsManager&) = delete;
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	SettingsManager& operator=(SettingsManager&&) = delete;
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	~SettingsManager();
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	/** Find the setting with given name.
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	  * @return The requested setting or nullptr.
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	  */
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	[[nodiscard]] BaseSetting* findSetting(std::string_view name) const;
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	[[nodiscard]] BaseSetting* findSetting(std::string_view prefix, std::string_view baseName) const;
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	void loadSettings(const SettingsConfig& config) const;
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	void registerSetting  (BaseSetting& setting);
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	void unregisterSetting(BaseSetting& setting);
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	[[nodiscard]] const auto& getAllSettings() const { return settings; }
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private:
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	[[nodiscard]] BaseSetting& getByName(std::string_view cmd, std::string_view name) const;
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	[[nodiscard]] std::vector<std::string> getTabSettingNames() const;
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private:
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	struct SettingInfo final : InfoTopic {
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		explicit SettingInfo(InfoCommand& openMSXInfoCommand);
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		void execute(std::span<const TclObject> tokens,
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			     TclObject& result) const override;
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		[[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
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		void tabCompletion(std::vector<std::string>& tokens) const override;
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	} settingInfo;
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	struct SetCompleter final : CommandCompleter {
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		explicit SetCompleter(CommandController& commandController);
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		[[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
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		void tabCompletion(std::vector<std::string>& tokens) const override;
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	} setCompleter;
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	class SettingCompleter final : public CommandCompleter {
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	public:
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		SettingCompleter(CommandController& commandController,
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				 SettingsManager& manager,
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				 const std::string& name);
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		[[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
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		void tabCompletion(std::vector<std::string>& tokens) const override;
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	private:
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		SettingsManager& manager;
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	};
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	SettingCompleter incrCompleter;
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	SettingCompleter unsetCompleter;
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	struct NameFromSetting {
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		[[nodiscard]] const TclObject& operator()(const BaseSetting* s) const {
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			return s->getFullNameObj();
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		}
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	};
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	hash_set<BaseSetting*, NameFromSetting, XXTclHasher> settings;
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};
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} // namespace openmsx
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#endif