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138 lines
7.1 KiB
C++
138 lines
7.1 KiB
C++
// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
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// SPDX-License-Identifier: GPL-3.0+
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#pragma once
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#include "SettingsInterface.h"
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#include "common/EnumOps.h"
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#include "common/SmallString.h"
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#include <optional>
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// Helper class which loads or saves depending on the derived class.
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class SettingsWrapper
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{
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public:
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SettingsWrapper(SettingsInterface& si);
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virtual bool IsLoading() const = 0;
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virtual bool IsSaving() const = 0;
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virtual void Entry(const char* section, const char* var, int& value, const int defvalue = 0) = 0;
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virtual void Entry(const char* section, const char* var, uint& value, const uint defvalue = 0) = 0;
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virtual void Entry(const char* section, const char* var, bool& value, const bool defvalue = false) = 0;
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virtual void Entry(const char* section, const char* var, float& value, const float defvalue = 0.0) = 0;
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virtual void Entry(const char* section, const char* var, std::string& value, const std::string& default_value = std::string()) = 0;
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virtual void Entry(const char* section, const char* var, SmallStringBase& value, std::string_view default_value = std::string_view()) = 0;
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// This special form of Entry is provided for bitfields, which cannot be passed by reference.
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virtual bool EntryBitBool(const char* section, const char* var, bool value, const bool defvalue = false) = 0;
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virtual int EntryBitfield(const char* section, const char* var, int value, const int defvalue = 0) = 0;
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template <typename T>
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void EnumEntry(const char* section, const char* var, T& value, const char* const* enumArray = nullptr, const T defvalue = (T)0)
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{
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int tstore = (int)value;
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auto defaultvalue = enum_cast(defvalue);
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if (enumArray == NULL)
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Entry(section, var, tstore, defaultvalue);
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else
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_EnumEntry(section, var, tstore, enumArray, defaultvalue);
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value = (T)tstore;
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}
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template <typename T>
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void EnumEntry(const char* section, const char* var, T& value, std::optional<T> (*parse_function)(const char*),
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const char*(name_function)(T value), T default_value)
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{
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TinyString str_value(name_function(value));
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Entry(section, var, str_value, name_function(default_value));
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if (std::optional<T> parsed_value = parse_function(str_value); parsed_value.has_value())
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value = parsed_value.value();
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}
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protected:
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virtual void _EnumEntry(const char* section, const char* var, int& value, const char* const* enumArray, int defvalue) = 0;
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SettingsInterface& m_si;
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};
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class SettingsLoadWrapper final : public SettingsWrapper
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{
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public:
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SettingsLoadWrapper(SettingsInterface& si);
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bool IsLoading() const override;
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bool IsSaving() const override;
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void Entry(const char* section, const char* var, int& value, const int defvalue = 0) override;
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void Entry(const char* section, const char* var, uint& value, const uint defvalue = 0) override;
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void Entry(const char* section, const char* var, bool& value, const bool defvalue = false) override;
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void Entry(const char* section, const char* var, float& value, const float defvalue = 0.0) override;
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void Entry(const char* section, const char* var, std::string& value, const std::string& default_value = std::string()) override;
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void Entry(const char* section, const char* var, SmallStringBase& value, std::string_view default_value = std::string_view()) override;
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bool EntryBitBool(const char* section, const char* var, bool value, const bool defvalue = false) override;
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int EntryBitfield(const char* section, const char* var, int value, const int defvalue = 0) override;
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protected:
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void _EnumEntry(const char* section, const char* var, int& value, const char* const* enumArray, int defvalue) override;
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};
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class SettingsSaveWrapper final : public SettingsWrapper
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{
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public:
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SettingsSaveWrapper(SettingsInterface& si);
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bool IsLoading() const override;
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bool IsSaving() const override;
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void Entry(const char* section, const char* var, int& value, const int defvalue = 0) override;
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void Entry(const char* section, const char* var, uint& value, const uint defvalue = 0) override;
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void Entry(const char* section, const char* var, bool& value, const bool defvalue = false) override;
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void Entry(const char* section, const char* var, float& value, const float defvalue = 0.0) override;
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void Entry(const char* section, const char* var, std::string& value, const std::string& default_value = std::string()) override;
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void Entry(const char* section, const char* var, SmallStringBase& value, std::string_view default_value = std::string_view()) override;
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bool EntryBitBool(const char* section, const char* var, bool value, const bool defvalue = false) override;
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int EntryBitfield(const char* section, const char* var, int value, const int defvalue = 0) override;
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protected:
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void _EnumEntry(const char* section, const char* var, int& value, const char* const* enumArray, int defvalue) override;
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};
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class SettingsClearWrapper final : public SettingsWrapper
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{
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public:
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SettingsClearWrapper(SettingsInterface& si);
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bool IsLoading() const override;
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bool IsSaving() const override;
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void Entry(const char* section, const char* var, int& value, const int defvalue = 0) override;
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void Entry(const char* section, const char* var, uint& value, const uint defvalue = 0) override;
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void Entry(const char* section, const char* var, bool& value, const bool defvalue = false) override;
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void Entry(const char* section, const char* var, float& value, const float defvalue = 0.0) override;
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void Entry(const char* section, const char* var, std::string& value, const std::string& default_value = std::string()) override;
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void Entry(const char* section, const char* var, SmallStringBase& value, std::string_view default_value = std::string_view()) override;
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bool EntryBitBool(const char* section, const char* var, bool value, const bool defvalue = false) override;
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int EntryBitfield(const char* section, const char* var, int value, const int defvalue = 0) override;
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protected:
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void _EnumEntry(const char* section, const char* var, int& value, const char* const* enumArray, int defvalue) override;
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};
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#define SettingsWrapSection(section) const char* CURRENT_SETTINGS_SECTION = section;
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#define SettingsWrapEntry(var) wrap.Entry(CURRENT_SETTINGS_SECTION, #var, var, var)
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#define SettingsWrapEntryEx(var, name) wrap.Entry(CURRENT_SETTINGS_SECTION, name, var, var)
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#define SettingsWrapBitfield(varname) varname = wrap.EntryBitfield(CURRENT_SETTINGS_SECTION, #varname, varname, varname)
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#define SettingsWrapBitBool(varname) varname = wrap.EntryBitBool(CURRENT_SETTINGS_SECTION, #varname, !!varname, varname)
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#define SettingsWrapBitfieldEx(varname, textname) varname = wrap.EntryBitfield(CURRENT_SETTINGS_SECTION, textname, varname, varname)
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#define SettingsWrapBitBoolEx(varname, textname) varname = wrap.EntryBitBool(CURRENT_SETTINGS_SECTION, textname, !!varname, varname)
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#define SettingsWrapEnumEx(varname, textname, names) wrap.EnumEntry(CURRENT_SETTINGS_SECTION, textname, varname, names, varname)
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#define SettingsWrapParsedEnum(varname, textname, parse_func, name_func) wrap.EnumEntry(CURRENT_SETTINGS_SECTION, textname, varname, parse_func, name_func, varname)
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#define SettingsWrapIntEnumEx(varname, textname) varname = static_cast<decltype(varname)>(wrap.EntryBitfield(CURRENT_SETTINGS_SECTION, textname, static_cast<int>(varname), static_cast<int>(varname)))
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