bytehelper.h

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#pragma once
#include "datatypes.h"
#include <cstdint>
#include <cstddef>

BEGIN_NAMESPACE_DATATYPES

class ByteHelper
{
public:
    template <typename T>
    static T byteSwap(T&& value);

    static bool isLittleEndian();

private:
    template <size_t size>
    static void sizedByteSwap(uint8_t* data);
};

template <typename T>
T ByteHelper::byteSwap(T&& value)
{
    sizedByteSwap<sizeof(T)>(reinterpret_cast<uint8_t*>(&value));
    return value;
}

END_NAMESPACE_DATATYPES