AuroraRuntime/Include/Aurora/Time/StaticClocksClasses.hpp

/***
    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: StaticClocksClasses.hpp
    Date: 2023-07-07
    Author: Reece
***/
#pragma once

namespace Aurora::Time
{
    struct ClockBase
    {

    };

    template <typename T = void>
    struct Clock
    {

    };

#define AURT_ADD_CLOCK_A(name, oldClockType)            \
    struct Clock ## name : ClockBase                    \
    {                                                   \
        static inline AuUInt64 GetCurrentTimeNS()       \
        {                                               \
            return oldClockType ## ClockNS();           \
        }                                               \
                                                        \
        static inline AuUInt64 GetCurrentTimeMS()       \
        {                                               \
            return oldClockType ## ClockMS();           \
        }                                               \
                                                        \
        static inline AuUInt64 GetFrequency()           \
        {                                               \
            return oldClockType ## ClockJiffies();      \
        }                                               \
    };                                                  \
                                                        \
    template <>                                         \
    struct Clock<Clock ## name>                         \
    {                                                   \
        static inline AuUInt64 GetCurrentTimeNS()       \
        {                                               \
            return Clock## name::GetCurrentTimeNS();    \
        }                                               \
                                                        \
        static inline AuUInt64 GetCurrentTimeMS()       \
        {                                               \
            return Clock ## name::GetCurrentTimeMS();   \
        }                                               \
                                                        \
        static inline AuUInt64 GetFrequency()           \
        {                                               \
            return Clock ## name::GetFrequency();       \
        }                                               \
    };

#define AURT_ADD_CLOCK_B(name, oldClockType)            \
    struct Clock ## name : ClockBase                    \
    {                                                   \
        static inline AuUInt64 GetCurrentTimeNS()       \
        {                                               \
            return oldClockType ## ClockNS();           \
        }                                               \
                                                        \
        static inline AuUInt64 GetCurrentTimeMS()       \
        {                                               \
            return oldClockType ## ClockMS();           \
        }                                               \
                                                        \
        static inline AuUInt64 GetFrequency()           \
        {                                               \
            return 1000;                                \
        }                                               \
    };                                                  \
                                                        \
    template <>                                         \
    struct Clock<Clock ## name>                         \
    {                                                   \
        static inline AuUInt64 GetCurrentTimeNS()       \
        {                                               \
            return Clock## name::GetCurrentTimeNS();    \
        }                                               \
                                                        \
        static inline AuUInt64 GetCurrentTimeMS()       \
        {                                               \
            return Clock ## name::GetCurrentTimeMS();   \
        }                                               \
                                                        \
        static inline AuUInt64 GetFrequency()           \
        {                                               \
            return Clock ## name::GetFrequency();       \
        }                                               \
    };

    AURT_ADD_CLOCK_B(Wall, Current);
    AURT_ADD_CLOCK_A(Steady, Steady);
    AURT_ADD_CLOCK_A(ProcessTime, Process);
    AURT_ADD_CLOCK_A(ProcessKernelTime, ProcessKernel);
    AURT_ADD_CLOCK_A(ProcessUserTime, ProcessUser);
    AURT_ADD_CLOCK_A(ThreadTime, Thread);
    AURT_ADD_CLOCK_A(ThreadKernelTime, ThreadKernel);
    AURT_ADD_CLOCK_A(ThreadUserTime, ThreadUser);

#undef AURT_ADD_CLOCK_A
}