Enum.define.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Enum.hpp"
#include "Type.define.hpp"
 
namespace CeresEngine {
    template<typename T> class TEnum : public TTypeInfo<T>, public Enum {
    public:
        explicit TEnum() : Enum(getTypeName<T>()) {}
 
    public:
        [[nodiscard]] StringView getName() const noexcept final { return name; }
 
    public:
        inline void value(StringView name, const T& value) {
            addElement(name, [value]() -> Box { return value; });
        }
    };
 
    // ---------------------------------------------------------------------------------------------
 
#define CE_META_ENUM_DEFINE_BASE(...)                                                   \
    class ::CeresEngine::TUserTypeInfo<__VA_ARGS__> final : public TEnum<__VA_ARGS__> { \
        using EnumType = __VA_ARGS__;                                                   \
                                                                                        \
    public:                                                                             \
        explicit TUserTypeInfo() : TEnum<__VA_ARGS__>() { define(*this); }              \
                                                                                        \
    private:                                                                            \
        inline void define(TUserTypeInfo& define);                                      \
    }
 
#define CE_META_ENUM_DEFINE(...)                                                               \
    template<> CE_META_ENUM_DEFINE_BASE(__VA_ARGS__);                                          \
    template<> const ::CeresEngine::TypeInfo& ::CeresEngine::GetTypeInfo<__VA_ARGS__>::get() { \
        static const TUserTypeInfo<__VA_ARGS__> kType;                                         \
        return kType;                                                                          \
    }                                                                                          \
    void ::CeresEngine::TUserTypeInfo<__VA_ARGS__>::define(TUserTypeInfo& define)
} // namespace CeresEngine