OpenMesh
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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: 470 $ * 00038 * $Date: 2011-11-28 12:46:16 +0100 (Mo, 28 Nov 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 #include <cctype> 00061 00062 // OpenMesh 00063 #include <OpenMesh/Core/System/config.h> 00064 #include <OpenMesh/Core/IO/Options.hh> 00065 #include <OpenMesh/Core/IO/importer/BaseImporter.hh> 00066 #include <OpenMesh/Core/Utils/SingletonT.hh> 00067 00068 00069 //== NAMESPACES =============================================================== 00070 00071 00072 namespace OpenMesh { 00073 namespace IO { 00074 00075 00076 //=== IMPLEMENTATION ========================================================== 00077 00078 00085 class BaseReader 00086 { 00087 public: 00088 00090 virtual ~BaseReader() {}; 00091 00093 virtual std::string get_description() const = 0; 00094 00098 virtual std::string get_extensions() const = 0; 00099 00101 virtual std::string get_magic() const { return std::string(""); } 00102 00103 00111 virtual bool read(const std::string& _filename, 00112 BaseImporter& _bi, 00113 Options& _opt) = 0; 00114 00119 virtual bool read(std::istream& _is, 00120 BaseImporter& _bi, 00121 Options& _opt) = 0; 00122 00123 00125 virtual bool can_u_read(const std::string& _filename) const; 00126 00127 00128 protected: 00129 00130 // case insensitive search for _ext in _fname. 00131 bool check_extension(const std::string& _fname, 00132 const std::string& _ext) const; 00133 }; 00134 00135 00143 static inline std::string &left_trim(std::string &_string) { 00144 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace)))); 00145 return _string; 00146 } 00147 00155 static inline std::string &right_trim(std::string &_string) { 00156 _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end()); 00157 return _string; 00158 } 00159 00167 static inline std::string &trim(std::string &_string) { 00168 return left_trim(right_trim(_string)); 00169 } 00170 00171 00172 00173 //============================================================================= 00174 } // namespace IO 00175 } // namespace OpenMesh 00176 //============================================================================= 00177 #endif 00178 //=============================================================================