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◆ main openmsx / src / config / HardwareConfig.hh
4.1 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#ifndef HARDWARECONFIG_HH
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#define HARDWARECONFIG_HH
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#include "FileContext.hh"
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#include "XMLElement.hh"
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#include "serialize_constr.hh"
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#include "serialize_meta.hh"
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#include <array>
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#include <cstdint>
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#include <memory>
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#include <span>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace openmsx {
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class MSXMotherBoard;
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class MSXDevice;
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class TclObject;
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class HardwareConfig
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{
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public:
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	enum class Type : uint8_t {
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		MACHINE,
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		EXTENSION,
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		ROM
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	};
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	static void loadConfig(XMLDocument& doc, std::string_view type, std::string_view name);
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	[[nodiscard]] static std::unique_ptr<HardwareConfig> createMachineConfig(
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		MSXMotherBoard& motherBoard, std::string machineName);
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	[[nodiscard]] static std::unique_ptr<HardwareConfig> createExtensionConfig(
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		MSXMotherBoard& motherBoard, std::string extensionName,
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		std::string_view slotName);
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	[[nodiscard]] static std::unique_ptr<HardwareConfig> createRomConfig(
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		MSXMotherBoard& motherBoard, std::string_view romFile,
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		std::string_view slotName, std::span<const TclObject> options);
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	HardwareConfig(MSXMotherBoard& motherBoard, std::string hwName);
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	HardwareConfig(const HardwareConfig&) = delete;
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	HardwareConfig(HardwareConfig&&) = delete;
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	HardwareConfig& operator=(const HardwareConfig&) = delete;
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	HardwareConfig& operator=(HardwareConfig&&) = delete;
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	~HardwareConfig();
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	[[nodiscard]] MSXMotherBoard& getMotherBoard() const { return motherBoard; }
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	[[nodiscard]] const FileContext& getFileContext() const { return context; }
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	void setFileContext(FileContext&& ctxt) { context = std::move(ctxt); }
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	[[nodiscard]] XMLDocument& getXMLDocument() { return config; }
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	[[nodiscard]] const XMLElement& getConfig() const { return *config.getRoot(); }
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	[[nodiscard]] XMLElement& getConfig() { return *config.getRoot(); }
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	[[nodiscard]] const std::string& getName() const { return name; }
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	[[nodiscard]] const std::string& getConfigName() const { return hwName; }
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	[[nodiscard]] std::string_view getRomFilename() const;
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	[[nodiscard]] const XMLElement& getDevicesElem() const;
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	[[nodiscard]] XMLElement& getDevicesElem();
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	[[nodiscard]] Type getType() const { return type; }
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	/** Parses a slot mapping.
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	  * Returns the slot selection: two bits per page for the slot to be
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	  * selected in that page, like MSX port 0xA8.
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	  */
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	[[nodiscard]] uint8_t parseSlotMap() const;
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	void parseSlots();
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	void createDevices();
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	[[nodiscard]] const auto& getDevices() const { return devices; };
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	/** Checks whether this HardwareConfig can be deleted.
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	  * Throws an exception if not.
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	  */
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	void testRemove() const;
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	template<typename Archive>
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	void serialize(Archive& ar, unsigned version);
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private:
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	void setConfig(XMLElement* root) { config.setRoot(root); }
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	void load(std::string_view type);
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	void createDevices(XMLElement& elem, XMLElement* primary, XMLElement* secondary);
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	void createExternalSlot(int ps);
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	void createExternalSlot(int ps, int ss);
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	void createExpandedSlot(int ps);
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	[[nodiscard]] int getAnyFreePrimarySlot();
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	[[nodiscard]] int getSpecificFreePrimarySlot(unsigned slot);
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	void addDevice(std::unique_ptr<MSXDevice> device);
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	void setName(std::string_view proposedName);
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	void setSlot(std::string_view slotName);
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private:
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	MSXMotherBoard& motherBoard;
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	std::string hwName;
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	Type type;
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	std::string userName;
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	XMLDocument config{8192}; // tweak: initial allocator buffer size
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	FileContext context;
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	std::array<std::array<bool, 4>, 4> externalSlots;
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	std::array<bool, 4> externalPrimSlots;
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	std::array<bool, 4> expandedSlots;
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	std::array<bool, 4> allocatedPrimarySlots;
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	std::vector<std::unique_ptr<MSXDevice>> devices;
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	std::string name;
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	friend struct SerializeConstructorArgs<HardwareConfig>;
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};
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SERIALIZE_CLASS_VERSION(HardwareConfig, 6);
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template<> struct SerializeConstructorArgs<HardwareConfig>
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{
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	using type = std::tuple<std::string>;
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	template<typename Archive>
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	void save(Archive& ar, const HardwareConfig& config) const
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	{
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		ar.serialize("hwname", config.hwName);
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	}
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	template<typename Archive>
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	[[nodiscard]] type load(Archive& ar, unsigned /*version*/) const
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	{
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		std::string name;
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		ar.serialize("hwname", name);
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		return {name};
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	}
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};
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} // namespace openmsx
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#endif