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trontextual.hpp
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1 /*********************************************************************/
2 // dar - disk archive - a backup/restoration program
3 // Copyright (C) 2002-2052 Denis Corbin
4 //
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 2
8 // of the License, or (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 //
19 // to contact the author : http://dar.linux.free.fr/email.html
20 /*********************************************************************/
21 // $Id: trontextual.hpp,v 1.4 2011/01/09 17:25:58 edrusb Rel $
22 //
23 /*********************************************************************/
24 
28 
29 #ifndef TRONTEXTUAL_HPP
30 #define TRONTEXTUAL_HPP
31 
32 #include "../my_config.h"
33 
34 #include "tronc.hpp"
35 #include "infinint.hpp"
36 #include "generic_file.hpp"
37 
38 namespace libdar
39 {
40 
42 
43  class trontextual : public tronc, public contextual
44  {
45  public:
46  trontextual(generic_file *f, const infinint & offset, const infinint & size, bool own_f = false);
47  trontextual(generic_file *f, const infinint & offset, const infinint & size, gf_mode mode, bool own_f = false);
48  bool is_an_old_start_end_archive() const { if(ref == NULL) throw SRC_BUG; return ref->is_an_old_start_end_archive(); };
49  const label & get_data_name() const { if(ref == NULL) throw SRC_BUG; return ref->get_data_name(); };
50 
51  private:
52  contextual *ref; //< this is just a pointer to data owned by the inherited class tronc part of this object
53 
54  void init(generic_file *f);
55  };
56 }
57 
58 #endif