Disk ARchive
2.4.5
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00001 /*********************************************************************/ 00002 // dar - disk archive - a backup/restoration program 00003 // Copyright (C) 2002-2052 Denis Corbin 00004 // 00005 // This program is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU General Public License 00007 // as published by the Free Software Foundation; either version 2 00008 // of the License, or (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 // 00019 // to contact the author : dar.linux@free.fr 00020 /*********************************************************************/ 00021 // $Id$ 00022 // 00023 /*********************************************************************/ 00024 00025 #ifndef HIDE_FILE_HPP 00026 #define HIDE_FILE_HPP 00027 00028 00029 #include "generic_file.hpp" 00030 #include <vector> 00031 00032 class hide_file : public generic_file 00033 { 00034 public: 00035 hide_file(generic_file &f); 00036 00037 bool skip(const infinint & pos); 00038 bool skip_to_eof(); 00039 bool skip_relative(S_I x); 00040 infinint get_position(); 00041 00042 protected: 00043 struct partie 00044 { 00045 infinint debut, longueur; // debut is the offset in ref file 00046 infinint offset; // offset in the resulting no commented file 00047 }; 00048 00049 vector <partie> morceau; 00050 generic_file *ref; 00051 00052 S_I inherited_read(char *a, size_t size); 00053 S_I inherited_write(char *a, size_t size); 00054 00055 virtual void fill_morceau() = 0; 00056 // the inherited classes have with this method 00057 // to fill the "morceau" variable that defines 00058 // the portions 00059 00060 private: 00061 U_I pos_index; 00062 infinint pos_relicat; 00063 bool is_init; 00064 00065 void init(); 00066 }; 00067 00068 00069 #endif