Disk ARchive 2.3.10
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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: hide_file.hpp,v 1.10.4.1 2007/07/22 16:34:59 edrusb Rel $ 00022 // 00023 /*********************************************************************/ 00024 00025 #ifndef HIDE_FILE_HPP 00026 #define HIDE_FILE_HPP 00027 00028 #include "../my_config.h" 00029 #include <vector> 00030 #include "infinint.hpp" 00031 #include "generic_file.hpp" 00032 00033 using namespace libdar; 00034 using namespace std; 00035 00036 class hide_file : public generic_file 00037 { 00038 public: 00039 hide_file(user_interaction & dialog, generic_file &f); 00040 00041 bool skip(const infinint & pos); 00042 bool skip_to_eof(); 00043 bool skip_relative(S_I x); 00044 infinint get_position(); 00045 00046 protected: 00047 struct partie 00048 { 00049 infinint debut, longueur; // debut is the offset in ref file 00050 infinint offset; // offset in the resulting file 00051 }; 00052 00053 vector <partie> morceau; 00054 generic_file *ref; 00055 00056 S_I inherited_read(char *a, size_t size); 00057 S_I inherited_write(const char *a, size_t size); 00058 00059 virtual void fill_morceau() = 0; 00060 // the inherited classes have with this method 00061 // to fill the "morceau" variable that defines 00062 // the portions 00063 00064 private: 00065 U_I pos_index; 00066 infinint pos_relicat; 00067 bool is_init; 00068 00069 void init(); 00070 }; 00071 00072 00073 #endif