| OpenMesh

SR_binary.hh
1 /* ========================================================================= *
2 * *
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5 * Department of Computer Graphics and Multimedia *
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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
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::IO::binary
The struct defines how to store and restore the type T.
Definition: SR_binary.hh:100