Disk ARchive: contextual.hpp Source File

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contextual.hpp
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1/*********************************************************************/
2// dar - disk archive - a backup/restoration program
3// Copyright (C) 2002-2025 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18//
19// to contact the author, see the AUTHOR file
20/*********************************************************************/
21
25
26
27#ifndef CONTEXTUAL_HPP
28#define CONTEXTUAL_HPP
29
30
31#include "../my_config.h"
32
33extern "C"
34{
35#if HAVE_UNISTD_H
36#include <unistd.h>
37#endif
38} // end extern "C"
39
40#include "erreurs.hpp"
41#include "label.hpp"
42
43#include <string>
44
45namespace libdar
46{
47
48#define CONTEXT_INIT "init"
49#define CONTEXT_OP "operation"
50#define CONTEXT_LAST_SLICE "last_slice"
51
52
55
57
72
73 class contextual
74 {
75 public :
76 contextual() { status = ""; };
77 contextual(const contextual & ref) = default;
78 contextual(contextual && ref) noexcept = default;
79 contextual & operator = (const contextual & ref) = default;
80 contextual & operator = (contextual && ref) noexcept = default;
81 virtual ~contextual() noexcept(false) {};
82
84
88 virtual void set_info_status(const std::string & s) { status = s; };
89
91 virtual std::string get_info_status() const { return status; };
92
94 virtual bool is_an_old_start_end_archive() const = 0;
95
97
100 virtual const label & get_data_name() const = 0;
101
102 private:
103 std::string status;
104 };
105
107
108} // end of namespace
109
110#endif
libdar::contextual::get_info_status
virtual std::string get_info_status() const
get the current contextual value
Definition contextual.hpp:91
libdar::contextual::get_data_name
virtual const label & get_data_name() const =0
obtain the data_name of the archive (label associated with the archive's data)
libdar::contextual::is_an_old_start_end_archive
virtual bool is_an_old_start_end_archive() const =0
returns whether the archive is a old archive (format < 8)
libdar::contextual::set_info_status
virtual void set_info_status(const std::string &s)
defines the new contextual value
Definition contextual.hpp:88
libdar::label
manage label data structure used in archive slice headers
Definition label.hpp:43
erreurs.hpp
contains all the excetion class thrown by libdar
label.hpp
define the datastructure "label" used to identify slice membership to an archive
my_config.h
include macro defined by the configure script and some specific additional ones
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47