# string_file.hpp

Go to the documentation of this file.

    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