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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#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 "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&) { }
template<typename T> inline void EndianConvertPtr(void* val) { ByteConverter::apply<T>(val); }
template<typename T> inline void EndianConvertPtrReverse(void*) { }
#else
template<typename T> inline void EndianConvert(T&) { }
template<typename T> inline void EndianConvertReverse(T& val) { ByteConverter::apply<T>(&val); }
template<typename T> inline void EndianConvertPtr(void*) { }
template<typename T> inline void EndianConvertPtrReverse(void* 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
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