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convert.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 //
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License as published by the Free
8 // Software Foundation; either version 3.0 of the License, or (at your option)
9 // any later version.
10 // This library is distributed in the hope that it will be useful, but WITHOUT
11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with this library; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 //------------------------------------------------------------------------------
19 
20 #ifndef OST_IO_CONVERT_H
21 #define OST_IO_CONVERT_H
22 
23 // endian macros deprecated in Boost 1.68
24 #include <boost/version.hpp>
25 #if BOOST_VERSION<106800
26 #include <boost/detail/endian.hpp>
27 // recent Boost versions use boost/predef/other/endian.h anyway
28 #ifndef BOOST_ENDIAN_BIG_BYTE
29 #ifdef BOOST_BIG_ENDIAN
30 #define BOOST_ENDIAN_BIG_BYTE 1
31 #else
32 #define BOOST_ENDIAN_BIG_BYTE 0
33 #endif
34 #endif
35 #else
36 // see https://www.boost.org/doc/libs/1_68_0/doc/html/predef/reference.html#predef.reference.other_macros.boost_endian
37 // defines BOOST_ENDIAN_BIG_BYTE and BOOST_ENDIAN_LITTLE_BYTE
38 // -> set to 1 or 0 respectively of endianness of machine
39 #include <boost/predef/other/endian.h>
40 #endif
41 
42 namespace ost { namespace io {
43 
44 enum Endianess {
46 #if BOOST_ENDIAN_BIG_BYTE
48 #else
49  OST_LOCAL_ENDIAN = OST_LITTLE_ENDIAN
50 #endif
51 };
52 
53 
54 
55 template<int CONVERSIONTYPE, class VALUETYPE>
56 class Convert{
57 public:
58  static VALUETYPE From(const VALUETYPE& value);
59  static VALUETYPE To(const VALUETYPE& value);
60  static void FromIP(VALUETYPE* value);
61  static void ToIP(VALUETYPE* value);
62 };
63 
64 
65 } // io ns
66 
67 
68 
69 } // ost ns
70 
71 
72 #endif
73 
74 
static VALUETYPE To(const VALUETYPE &value)
static void ToIP(VALUETYPE *value)
Endianess
Definition: convert.hh:44
static VALUETYPE From(const VALUETYPE &value)
static void FromIP(VALUETYPE *value)