Disk ARchive 2.7.15
Full featured and portable backup and archiving tool
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proto_compressor.hpp
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1/*********************************************************************/
2// dar - disk archive - a backup/restoration program
3// Copyright (C) 2002-2024 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 PROTO_COMPRESSOR_HPP
27#define PROTO_COMPRESSOR_HPP
28
29#include "../my_config.h"
30
31#include "infinint.hpp"
32#include "generic_file.hpp"
33#include "compression.hpp"
34
35namespace libdar
36{
37
38
41
42 class proto_compressor : public generic_file
43 {
44 public :
46
47 proto_compressor(const proto_compressor & ref) = default;
48 proto_compressor(proto_compressor && ref) noexcept = default;
49 proto_compressor & operator = (const proto_compressor & ref) = default;
50 proto_compressor & operator = (proto_compressor && ref) noexcept = default;
51 virtual ~proto_compressor() = default;
52
54 virtual compression get_algo() const = 0;
55
57 virtual void suspend_compression() = 0;
58
60 virtual void resume_compression() = 0;
61
63 virtual bool is_compression_suspended() const = 0;
64 };
65
66
67 // used only for block compression
68
69 constexpr const U_I default_uncompressed_block_size = 102400;
70 constexpr const U_I min_uncompressed_block_size = 100;
71
73
74} // end of namespace
75
76#endif
generic_file(gf_mode m)
main constructor
compression parameters for API
class generic_file is defined here as well as class fichier
compression
the different compression algorithm available
switch module to limitint (32 ou 64 bits integers) or infinint
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47