Developer Documentation

SR_binary.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 * ========================================================================= */
41
42
43
44
45 //=============================================================================
46 //
47 // Helper Functions for binary reading / writing
48 //
49 //=============================================================================
50
51 #ifndef OPENMESH_SR_BINARY_HH
52 #define OPENMESH_SR_BINARY_HH
53
54
55 //== INCLUDES =================================================================
56
57 #include <OpenMesh/Core/System/config.h>
58 // -------------------- STL
59 #include <typeinfo>
60 #include <stdexcept>
61 #include <sstream>
62 #include <numeric> // accumulate
63 // -------------------- OpenMesh
64
65
66 //== NAMESPACES ===============================================================
67
68 namespace OpenMesh {
69 namespace IO {
70
71
72 //=============================================================================
73
74
75 //-----------------------------------------------------------------------------
76
77 const static size_t UnknownSize(size_t(-1));
78
79
80 //-----------------------------------------------------------------------------
81 // struct binary, helper for storing/restoring
82
83 #define X \
84 std::ostringstream msg; \
85 msg << "Type not supported: " << typeid(value_type).name(); \
86 throw std::logic_error(msg.str())
87
100 template < typename T > struct binary
101 {
102 typedef T value_type;
103
104 static const bool is_streamable = false;
105
106 static size_t size_of(void) { return UnknownSize; }
107 static size_t size_of(const value_type&) { return UnknownSize; }
108
109 static
110 size_t store( std::ostream& /* _os */,
111 const value_type& /* _v */,
112 bool /* _swap=false */)
113 { X; return 0; }
114
115 static
116 size_t restore( std::istream& /* _is */,
117 value_type& /* _v */,
118 bool /* _swap=false */)
119 { X; return 0; }
120 };
121
122 #undef X
123
124
125 //=============================================================================
126 } // namespace IO
127 } // namespace OpenMesh
128 //=============================================================================
129 #endif // OPENMESH_SR_RBO_HH defined
130 //=============================================================================
131
config.h
OpenMesh::IO::binary
Definition: SR_binary.hh:100
OpenMesh
Definition: MeshItems.hh:59