Disk ARchive: tlv.hpp Source File

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tlv.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#ifndef TLV_HPP
27#define TLV_HPP
28
29#include "memory_file.hpp"
30
31namespace libdar
32{
35
43 class tlv : public memory_file
44 {
45 public:
46
47 // constructors & Co.
48
49 tlv() { type = 0; };
50 tlv(generic_file & f) { init(f); };
51 tlv(const tlv & ref) = default;
52 tlv(tlv && ref) noexcept = default;
53 tlv & operator = (const tlv & ref) = default;
54 tlv & operator = (tlv && ref) noexcept = default;
55 ~tlv() = default;
56
57 // methods (dump / setup tlv datastructure to/from file)
58
59 void setup(generic_file & f);
60 void dump(generic_file & f) const;
61
62 U_16 get_type() const { return type; };
63 void set_type(U_16 val) { type = val; };
64
65 private:
66 U_16 type;
67
68 void init(generic_file & f);
69 };
70
72
73} // end of namespace
74
75#endif
76
77
libdar::generic_file
this is the interface class from which all other data transfer classes inherit
Definition generic_file.hpp:77
libdar::memory_file::memory_file
memory_file()
Constructors & Destructor.
Definition memory_file.hpp:45
libdar::tlv::type
U_16 type
set the TLV type
Definition tlv.hpp:66
libdar::tlv::setup
void setup(generic_file &f)
same as the constructor but on an existing object
libdar::tlv::set_type
void set_type(U_16 val)
get the TLV type
Definition tlv.hpp:63
libdar::tlv::dump
void dump(generic_file &f) const
dumps the tlv contents to file
memory_file.hpp
Memory_file is a generic_file class that only uses virtual memory.
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47