132 lines
2.8 KiB
C++
132 lines
2.8 KiB
C++
/**
|
|
* MaNGOS is a full featured server for World of Warcraft, supporting
|
|
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
|
|
*
|
|
* Copyright (C) 2005-2017 MaNGOS project <https://getmangos.eu>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
|
|
* and lore are copyrighted by Blizzard Entertainment, Inc.
|
|
*/
|
|
|
|
#ifndef MANGOS_BYTECONVERTER_H
|
|
#define MANGOS_BYTECONVERTER_H
|
|
|
|
/**
|
|
* ByteConverter reverse your byte order. This is used for cross platform
|
|
* where they have different endians.
|
|
*/
|
|
|
|
#include "Platform/Define.h"
|
|
#include <algorithm>
|
|
|
|
namespace ByteConverter
|
|
{
|
|
template<size_t T>
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param val
|
|
*/
|
|
inline void convert(char* val)
|
|
{
|
|
std::swap(*val, *(val + T - 1));
|
|
convert < T - 2 > (val + 1);
|
|
}
|
|
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
template<> inline void convert<0>(char*) {}
|
|
/**
|
|
* @brief ignore central byte
|
|
*
|
|
* @param
|
|
*/
|
|
template<> inline void convert<1>(char*) {}
|
|
|
|
template<typename T>
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param val
|
|
*/
|
|
inline void apply(T* val)
|
|
{
|
|
convert<sizeof(T)>((char*)(val));
|
|
}
|
|
}
|
|
|
|
#if MANGOS_ENDIAN == MANGOS_BIGENDIAN
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param val
|
|
*/
|
|
template<typename T> inline void EndianConvert(T& val) { ByteConverter::apply<T>(&val); }
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
template<typename T> inline void EndianConvertReverse(T&) { }
|
|
#else
|
|
template<typename T> inline void EndianConvert(T&) { }
|
|
template<typename T> inline void EndianConvertReverse(T& val) { ByteConverter::apply<T>(&val); }
|
|
#endif
|
|
|
|
/**
|
|
* @brief will generate link error
|
|
*
|
|
* @param
|
|
*/
|
|
template<typename T> void EndianConvert(T*);
|
|
/**
|
|
* @brief will generate link error
|
|
*
|
|
* @param
|
|
*/
|
|
template<typename T> void EndianConvertReverse(T*);
|
|
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
inline void EndianConvert(uint8&) { }
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
inline void EndianConvert(int8&) { }
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
inline void EndianConvertReverse(uint8&) { }
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param
|
|
*/
|
|
inline void EndianConvertReverse(int8&) { }
|
|
|
|
#endif
|