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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
25
26 #ifndef TRONTEXTUAL_HPP
27 #define TRONTEXTUAL_HPP
28
29 #include "../my_config.h"
30
31 #include "tronc.hpp"
32 #include "infinint.hpp"
33 #include "generic_file.hpp"
34
35 namespace libdar
36 {
37
39
40 class trontextual : public tronc, public contextual
41 {
42 public:
43 trontextual(generic_file *f, const infinint & offset, const infinint & size, bool own_f = false);
44 trontextual(generic_file *f, const infinint & offset, const infinint & size, gf_mode mode, bool own_f = false);
45 bool is_an_old_start_end_archive() const { if(ref == nullptr) throw SRC_BUG; return ref->is_an_old_start_end_archive(); };
46 const label & get_data_name() const { if(ref == nullptr) throw SRC_BUG; return ref->get_data_name(); };
47
48 private:
49 contextual *ref; //< this is just a pointer to data owned by the inherited class tronc part of this object
50
51 void init(generic_file *f);
52 };
53 }
54
55 #endif
generic_file.hpp
class generic_file is defined here as well as class fichierthe generic_file interface is widely used ...
tronc.hpp
defines a limited segment over another generic_file.This is used to read a part of a file as if it wa...
libdar::gf_mode
gf_mode
generic_file openning modes
Definition: generic_file.hpp:77
libdar::trontextual
trontextual class is a contextual class tronc, that's all.
Definition: trontextual.hpp:40
infinint.hpp
switch module to limitint (32 ou 64 bits integers) or infinint
libdar::generic_file
this is the interface class from which all other data transfer classes inherit
Definition: generic_file.hpp:100
libdar::infinint
the arbitrary large positive integer class
Definition: real_infinint.hpp:59
libdar::tronc
makes a segment of a generic_file appear like a real generic_file
Definition: tronc.hpp:43
libdar
libdar namespace encapsulate all libdar symbols
Definition: archive.hpp:47