blob: ff0818bd6b0ae927e1378506f88d2198597a9dcc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* This file is part of the AzerothCore 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 Affero General Public License as published by the
* Free Software Foundation; either version 3 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 Affero 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 ACORE_BYTECONVERTER_H
#define ACORE_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<std::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 ACORE_ENDIAN == ACORE_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
|