Disk ARchive 2.3.11
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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: string_file.hpp,v 1.1.2.1 2007/07/22 16:35:00 edrusb Rel $ 00022 // 00023 /*********************************************************************/ 00024 // 00025 00029 00030 #ifndef STRING_FILE_HPP 00031 #define STRING_FILE_HPP 00032 00033 #include "../my_config.h" 00034 #include "infinint.hpp" 00035 #include "generic_file.hpp" 00036 #include "integers.hpp" 00037 #include "erreurs.hpp" 00038 00039 namespace libdar 00040 { 00041 00043 00045 class string_file : public generic_file 00046 { 00047 public: 00048 00050 string_file(user_interaction & dialog, const std::string & contents): generic_file(dialog, gf_read_only) { data = contents; cur = 0; len = data.size(); }; 00051 00052 // inherited from generic_file 00053 bool skip(const infinint & pos); 00054 bool skip_to_eof() { cur = len; return true; }; 00055 bool skip_relative(S_I x); 00056 infinint get_position() { return cur; }; 00057 00058 protected: 00059 // inherited from generic_file 00060 S_I inherited_read(char *a, size_t size); 00061 S_I inherited_write(const char *a, size_t size) { throw Efeature("Writing on a string_file is not allowed"); }; 00062 00063 private: 00064 std::string data; 00065 infinint cur; 00066 infinint len; 00067 }; 00068 00069 } // end of namespace 00070 00071 #endif