Setting.h

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#pragma once
 
#include "REX/REX/Singleton.h"
 
namespace REX
{
    class ISetting
    {
    public:
        virtual void Load(void* a_data, bool a_isBase) = 0;
        virtual void Save(void* a_data) = 0;
    };
 
    class ISettingStore
    {
    public:
        virtual void Init(const char* a_file, const char* a_fileCustom) = 0;
        virtual void Load() = 0;
        virtual void Save() = 0;
        virtual void Register(ISetting* a_setting) = 0;
    };
 
    template <class T, class Store>
    class TSetting :
        public ISetting
    {
    public:
        TSetting() = delete;
 
        TSetting(T a_default) :
            m_value(a_default),
            m_valueDefault(a_default)
        {
            Store::GetSingleton()->Register(this);
        }
 
    public:
        T GetValue() const { return m_value; }
 
        T GetValueDefault() const { return m_valueDefault; }
 
        void SetValue(T a_value) { m_value = a_value; }
 
    protected:
        T m_value;
        T m_valueDefault;
    };
 
    template <class T>
    class TSettingStore :
        public ISettingStore,
        public Singleton<T>
    {
    public:
        virtual void Init(const char* a_fileBase, const char* a_fileUser) override
        {
            m_fileBase = a_fileBase;
            m_fileUser = a_fileUser;
        }
 
        virtual void Register(ISetting* a_setting) override
        {
            m_settings.emplace_back(a_setting);
        }
 
    protected:
        std::string_view       m_fileBase;
        std::string_view       m_fileUser;
        std::vector<ISetting*> m_settings;
    };
}