00001 /* +---------------------------------------------------------------------------+ 00002 | The Mobile Robot Programming Toolkit (MRPT) C++ library | 00003 | | 00004 | http://mrpt.sourceforge.net/ | 00005 | | 00006 | Copyright (C) 2005-2008 University of Malaga | 00007 | | 00008 | This software was written by the Machine Perception and Intelligent | 00009 | Robotics Lab, University of Malaga (Spain). | 00010 | Contact: Jose-Luis Blanco <jlblanco@ctima.uma.es> | 00011 | | 00012 | This file is part of the MRPT project. | 00013 | | 00014 | MRPT is free software: you can redistribute it and/or modify | 00015 | it under the terms of the GNU General Public License as published by | 00016 | the Free Software Foundation, either version 3 of the License, or | 00017 | (at your option) any later version. | 00018 | | 00019 | MRPT is distributed in the hope that it will be useful, | 00020 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 00021 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 00022 | GNU General Public License for more details. | 00023 | | 00024 | You should have received a copy of the GNU General Public License | 00025 | along with MRPT. If not, see <http://www.gnu.org/licenses/>. | 00026 | | 00027 +---------------------------------------------------------------------------+ */ 00028 #ifndef CFileGZInputStream_H 00029 #define CFileGZInputStream_H 00030 00031 #include <mrpt/utils/CStream.h> 00032 00033 #include <iostream> 00034 00035 00036 /*--------------------------------------------------------------- 00037 Class 00038 ---------------------------------------------------------------*/ 00039 namespace mrpt 00040 { 00041 namespace utils 00042 { 00049 class MRPTDLLIMPEXP CFileGZInputStream : public CStream, public CUncopiable 00050 { 00051 protected: 00054 size_t Read(void *Buffer, size_t Count); 00055 00059 size_t Write(const void *Buffer, size_t Count); 00060 00061 DECLARE_UNCOPIABLE( CFileGZInputStream ) 00062 00063 private: 00064 void *m_f; 00065 size_t m_file_size; 00066 00067 public: 00070 CFileGZInputStream(); 00071 00076 CFileGZInputStream(const std::string &fileName ); 00077 00080 virtual ~CFileGZInputStream(); 00081 00086 bool open(const std::string &fileName ); 00087 00089 void close(); 00090 00093 bool fileOpenCorrectly(); 00094 00097 bool checkEOF(); 00098 00101 size_t getTotalBytesCount(); 00102 00105 size_t getPosition(); 00106 00108 size_t Seek(long Offset, CStream::TSeekOrigin Origin = sFromBeginning) 00109 { 00110 THROW_EXCEPTION("Seek is not implemented in this class"); 00111 } 00112 00113 }; // End of class def. 00114 00115 } // End of namespace 00116 } // end of namespace 00117 #endif
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