First checkin for OpenMesh 2.0

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597

Core/IO/SR_binary.hh

@@ -0,0 +1,118 @@
+//=============================================================================
+//                                                                            
+//                               OpenMesh                                     
+//        Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen          
+//                           www.openmesh.org                                 
+//                                                                            
+//-----------------------------------------------------------------------------
+//                                                                            
+//                                License                                     
+//                                                                            
+//   This library is free software; you can redistribute it and/or modify it 
+//   under the terms of the GNU Lesser General Public License as published   
+//   by the Free Software Foundation, version 2.1.                           
+//                                                                             
+//   This library 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         
+//   Lesser General Public License for more details.                           
+//                                                                            
+//   You should have received a copy of the GNU Lesser General Public          
+//   License along with this library; if not, write to the Free Software       
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 
+//                                                                            
+//-----------------------------------------------------------------------------
+//                                                                            
+//   $Revision: 1801 $
+//   $Date: 2008-05-19 11:53:56 +0200 (Mo, 19. Mai 2008) $
+//                                                                            
+//=============================================================================
+
+
+//=============================================================================
+//
+//  Helper Functions for binary reading / writing
+//
+//=============================================================================
+
+#ifndef OPENMESH_SR_BINARY_HH
+#define OPENMESH_SR_BINARY_HH
+
+
+//== INCLUDES =================================================================
+
+#include <OpenMesh/Core/System/config.h>
+// -------------------- STL
+#include <typeinfo>
+#include <stdexcept>
+#include <sstream>
+#include <numeric>   // accumulate
+// -------------------- OpenMesh
+
+
+//== NAMESPACES ===============================================================
+
+namespace OpenMesh {
+namespace IO {
+
+
+//=============================================================================
+
+
+//-----------------------------------------------------------------------------
+
+  const static size_t UnknownSize(size_t(-1));
+
+
+//-----------------------------------------------------------------------------
+// struct binary, helper for storing/restoring
+
+#define X \
+   std::ostringstream msg; \
+   msg << "Type not supported: " << typeid(value_type).name(); \
+   throw std::logic_error(msg.str())
+
+/// \struct binary SR_binary.hh <OpenMesh/Core/IO/SR_binary.hh>
+///
+/// The struct defines how to store and restore the type T.
+/// It's used by the OM reader/writer modules.
+///
+/// The following specialization are provided:
+/// - Fundamental types except \c long \c double
+/// - %OpenMesh vector types
+/// - %OpenMesh::StatusInfo
+/// - std::string (max. length 65535)
+///
+/// \todo Complete documentation of members
+template < typename T > struct binary
+{
+  typedef T     value_type;
+
+  static const bool is_streamable = false;
+
+  static size_t size_of(void) { return UnknownSize; }
+  static size_t size_of(const value_type&) { return UnknownSize; }
+
+  static 
+  size_t store( std::ostream& /* _os */,
+		const value_type& /* _v */,
+		bool /* _swap=false */)
+  { X; return 0; }
+
+  static 
+  size_t restore( std::istream& /* _is */,
+		  value_type& /* _v */,
+		  bool /* _swap=false */)
+  { X; return 0; }
+};
+
+#undef X
+
+
+//=============================================================================
+} // namespace IO
+} // namespace OpenMesh
+//=============================================================================
+#endif // OPENMESH_SR_RBO_HH defined
+//=============================================================================
+