Changed OpenMesh directory structure

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@106 fdac6126-5c0c-442c-9429-916003d36597

src/OpenMesh/Core/IO/reader/OMReader.hh

@@ -0,0 +1,150 @@
+/*===========================================================================*\
+ *                                                                           *
+ *                               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.                *
+ *                                                                           *
+\*===========================================================================*/
+
+
+//=============================================================================
+//
+//  Implements a reader module for OFF files
+//
+//=============================================================================
+
+
+#ifndef __OMREADER_HH__
+#define __OMREADER_HH__
+
+
+//=== INCLUDES ================================================================
+
+// OpenMesh
+#include <OpenMesh/Core/System/config.h>
+#include <OpenMesh/Core/Utils/SingletonT.hh>
+#include <OpenMesh/Core/IO/OMFormat.hh>
+#include <OpenMesh/Core/IO/IOManager.hh>
+#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
+#include <OpenMesh/Core/IO/reader/BaseReader.hh>
+
+// STD C++
+#include <iostream>
+#include <string>
+
+
+//== NAMESPACES ===============================================================
+
+
+namespace OpenMesh {
+namespace IO {
+
+
+//== IMPLEMENTATION ===========================================================
+
+
+/** 
+    Implementation of the OM format reader. This class is singleton'ed by 
+    SingletonT to OMReader.
+*/
+class _OMReader_ : public BaseReader
+{
+public:
+
+  _OMReader_();
+  virtual ~_OMReader_() { }
+
+  std::string get_description() const { return "OpenMesh File Format"; }
+  std::string get_extensions()  const { return "om"; }
+  std::string get_magic()       const { return "OM"; }
+   
+  bool read(const std::string& _filename, 
+	    BaseImporter& _bi, 
+	    Options& _opt );
+
+  virtual bool can_u_read(const std::string& _filename) const;
+  virtual bool can_u_read(std::istream& _is) const;
+
+  
+private:
+
+  bool supports( const OMFormat::uint8 version ) const;
+
+  bool read(std::istream& _is, BaseImporter& _bi, Options& _opt ) const;
+  bool read_ascii(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
+  bool read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
+
+  typedef OMFormat::Header              Header;
+  typedef OMFormat::Chunk::Header       ChunkHeader;
+  typedef OMFormat::Chunk::PropertyName PropertyName;
+
+  // initialized/updated by read_binary*/read_ascii*
+  mutable size_t       bytes_;
+  mutable Header       header_;
+  mutable ChunkHeader  chunk_header_;
+  mutable PropertyName property_name_;
+
+  bool read_binary_vertex_chunk(   std::istream      &_is, 
+				   BaseImporter      &_bi, 
+				   Options           &_opt,
+				   bool              _swap) const;
+
+  bool read_binary_face_chunk(     std::istream      &_is, 
+			           BaseImporter      &_bi, 
+			           Options           &_opt,
+				   bool              _swap) const;
+
+  bool read_binary_edge_chunk(     std::istream      &_is, 
+			           BaseImporter      &_bi, 
+			           Options           &_opt,
+				   bool              _swap) const;
+
+  bool read_binary_halfedge_chunk( std::istream      &_is, 
+				   BaseImporter      &_bi, 
+				   Options           &_opt,
+				   bool              _swap) const;
+
+  bool read_binary_mesh_chunk(     std::istream      &_is, 
+				   BaseImporter      &_bi, 
+				   Options           &_opt,
+				   bool              _swap) const;
+
+  size_t restore_binary_custom_data( std::istream& _is, 
+				     BaseProperty* _bp,
+				     size_t _n_elem, 
+				     bool _swap) const;
+
+};
+
+
+//== TYPE DEFINITION ==========================================================
+
+
+/// Declare the single entity of the OM reader.
+extern _OMReader_  __OMReaderInstance;
+_OMReader_&  OMReader();
+
+
+//=============================================================================
+} // namespace IO
+} // namespace OpenMesh
+//=============================================================================
+#endif
+//=============================================================================