OpenMesh
OpenMesh/Core/IO/reader/BaseReader.hh
00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
00004  *      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen      *
00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *  This file is part of OpenMesh.                                           *
00009  *                                                                           *
00010  *  OpenMesh is free software: you can redistribute it and/or modify         * 
00011  *  it under the terms of the GNU Lesser General Public License as           *
00012  *  published by the Free Software Foundation, either version 3 of           *
00013  *  the License, or (at your option) any later version with the              *
00014  *  following exceptions:                                                    *
00015  *                                                                           *
00016  *  If other files instantiate templates or use macros                       *
00017  *  or inline functions from this file, or you compile this file and         *
00018  *  link it with other files to produce an executable, this file does        *
00019  *  not by itself cause the resulting executable to be covered by the        *
00020  *  GNU Lesser General Public License. This exception does not however       *
00021  *  invalidate any other reasons why the executable file might be            *
00022  *  covered by the GNU Lesser General Public License.                        *
00023  *                                                                           *
00024  *  OpenMesh is distributed in the hope that it will be useful,              *
00025  *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
00026  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
00027  *  GNU Lesser General Public License for more details.                      *
00028  *                                                                           *
00029  *  You should have received a copy of the GNU LesserGeneral Public          *
00030  *  License along with OpenMesh.  If not,                                    *
00031  *  see <http://www.gnu.org/licenses/>.                                      *
00032  *                                                                           *
00033 \*===========================================================================*/ 
00034 
00035 /*===========================================================================*\
00036  *                                                                           *             
00037  *   $Revision: 362 $                                                         *
00038  *   $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $                   *
00039  *                                                                           *
00040 \*===========================================================================*/
00041 
00042 
00043 //=============================================================================
00044 //
00045 //  Implements the baseclass for IOManager file access modules
00046 //
00047 //=============================================================================
00048 
00049 
00050 #ifndef __BASEREADER_HH__
00051 #define __BASEREADER_HH__
00052 
00053 
00054 //=== INCLUDES ================================================================
00055 
00056 
00057 // STD C++
00058 #include <iostream>
00059 #include <string>
00060 
00061 // OpenMesh
00062 #include <OpenMesh/Core/System/config.h>
00063 #include <OpenMesh/Core/IO/Options.hh>
00064 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
00065 #include <OpenMesh/Core/Utils/SingletonT.hh>
00066 
00067 
00068 //== NAMESPACES ===============================================================
00069 
00070 
00071 namespace OpenMesh {
00072 namespace IO {
00073 
00074 
00075 //=== IMPLEMENTATION ==========================================================
00076 
00077 
00084 class BaseReader
00085 {
00086 public:
00087 
00089   virtual ~BaseReader() {};
00090 
00092   virtual std::string get_description() const = 0;
00093   
00097   virtual std::string get_extensions() const = 0;
00098 
00100   virtual std::string get_magic() const { return std::string(""); }
00101 
00102 
00110   virtual bool read(const std::string& _filename, 
00111                     BaseImporter& _bi,
00112                     Options& _opt) = 0;
00113                 
00118   virtual bool read(std::istream& _is, 
00119                     BaseImporter& _bi,
00120                     Options& _opt) = 0;
00121 
00122 
00124   virtual bool can_u_read(const std::string& _filename) const;
00125 
00126 
00127 protected:
00128 
00129   // case insensitive search for _ext in _fname.
00130   bool check_extension(const std::string& _fname, 
00131                        const std::string& _ext) const;
00132 };
00133 
00134 
00135 //=============================================================================
00136 } // namespace IO
00137 } // namespace OpenMesh
00138 //=============================================================================
00139 #endif
00140 //=============================================================================