66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2005-2009 MaNGOS <http://www.mangosproject.org/>
|
|
*
|
|
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef TRINITY_BYTECONVERTER_H
|
|
#define TRINITY_BYTECONVERTER_H
|
|
|
|
/** ByteConverter reverse your byte order. This is use
|
|
for cross platform where they have different endians.
|
|
*/
|
|
|
|
#include<Platform/Define.h>
|
|
#include<algorithm>
|
|
|
|
namespace ByteConverter
|
|
{
|
|
template<size_t T>
|
|
inline void convert(char *val)
|
|
{
|
|
std::swap(*val, *(val + T - 1));
|
|
convert<T - 2>(val + 1);
|
|
}
|
|
|
|
template<> inline void convert<0>(char *) {}
|
|
template<> inline void convert<1>(char *) {} // ignore central byte
|
|
|
|
template<typename T> inline void apply(T *val)
|
|
{
|
|
convert<sizeof(T)>((char *)(val));
|
|
}
|
|
}
|
|
|
|
#if TRINITY_ENDIAN == TRINITY_BIGENDIAN
|
|
template<typename T> inline void EndianConvert(T& val) { ByteConverter::apply<T>(&val); }
|
|
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
|
|
|
|
template<typename T> void EndianConvert(T*); // will generate link error
|
|
template<typename T> void EndianConvertReverse(T*); // will generate link error
|
|
|
|
inline void EndianConvert(uint8&) { }
|
|
inline void EndianConvert( int8&) { }
|
|
inline void EndianConvertReverse(uint8&) { }
|
|
inline void EndianConvertReverse( int8&) { }
|
|
|
|
#endif
|