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BaseReader.hh

00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
00004  *      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen      *
00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *                                                                           *
00009  *                                License                                    *
00010  *                                                                           *
00011  *  This library is free software; you can redistribute it and/or modify it  *
00012  *  under the terms of the GNU Library General Public License as published   *
00013  *  by the Free Software Foundation, version 2.                              *
00014  *                                                                           *
00015  *  This library is distributed in the hope that it will be useful, but      *
00016  *  WITHOUT ANY WARRANTY; without even the implied warranty of               *
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
00018  *  Library General Public License for more details.                         *
00019  *                                                                           *
00020  *  You should have received a copy of the GNU Library General Public        *
00021  *  License along with this library; if not, write to the Free Software      *
00022  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
00023  *                                                                           *
00024 \*===========================================================================*/
00025 
00026 
00027 //=============================================================================
00028 //
00029 //  Implements the baseclass for IOManager file access modules
00030 //
00031 //=============================================================================
00032 
00033 
00034 #ifndef __BASEREADER_HH__
00035 #define __BASEREADER_HH__
00036 
00037 
00038 //=== INCLUDES ================================================================
00039 
00040 
00041 // STD C++
00042 #include <iostream>
00043 #include <string>
00044 
00045 // OpenMesh
00046 #include <OpenMesh/Core/System/config.hh>
00047 #include <OpenMesh/Core/IO/Options.hh>
00048 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
00049 #include <OpenMesh/Core/Utils/SingletonT.hh>
00050 
00051 
00052 //== NAMESPACES ===============================================================
00053 
00054 
00055 namespace OpenMesh {
00056 namespace IO {
00057 
00058 
00059 //=== IMPLEMENTATION ==========================================================
00060 
00061 
00068 class BaseReader
00069 {
00070 public:
00071 
00073   virtual ~BaseReader() {}
00074 
00076   virtual std::string get_description() const = 0;
00077   
00081   virtual std::string get_extensions() const = 0;
00082 
00084   virtual std::string get_magic() const { return std::string(""); }
00085 
00086 
00091   virtual bool read(const std::string& _filename, 
00092                     BaseImporter& _bi,
00093                     Options& _opt) = 0;
00094 
00095 
00097   virtual bool can_u_read(const std::string& _filename) const;
00098 
00099 
00100 protected:
00101 
00102   // case insensitive search for _ext in _fname.
00103   bool check_extension(const std::string& _fname, 
00104                        const std::string& _ext) const;
00105 };
00106 
00107 
00108 //=============================================================================
00109 } // namespace IO
00110 } // namespace OpenMesh
00111 //=============================================================================
00112 #endif
00113 //=============================================================================

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