| Disk ARchive 2.6.11 Full featured and portable backup and archiving tool

compression.hpp
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1 /*********************************************************************/
2 // dar - disk archive - a backup/restoration program
3 // Copyright (C) 2002-2020 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 : http://dar.linux.free.fr/email.html
20 /*********************************************************************/
21
25
26 #ifndef COMPRESSION_HPP
27 #define COMPRESSION_HPP
28
29 #include "../my_config.h"
30 #include <string>
31
32 namespace libdar
33 {
34
37
39
45 enum class compression
46 {
47 none = 'n',
48 gzip = 'z',
49 bzip2 = 'y',
50 lzo = 'l',
51 xz = 'x',
52 lzo1x_1_15 = 'j',
53 lzo1x_1 = 'k'
54 };
55
56
58 extern compression char2compression(char a);
59
61 extern char compression2char(compression c);
62
64 extern std::string compression2string(compression c);
65
67 extern compression string2compression(const std::string & a); // throw Erange if an unknown string is given
68
70
71 } // end of namespace
72
73 #endif
libdar::compression
compression
the different compression algorithm available
Definition: compression.hpp:46
libdar::compression::bzip2
@ bzip2
bzip2 compression
libdar::compression::xz
@ xz
lzma compression
libdar::char2compression
compression char2compression(char a)
convert a char as stored in archive to its compression value
libdar::compression2char
char compression2char(compression c)
convert a compression value to a char for storing in archive
libdar::string2compression
compression string2compression(const std::string &a)
convert a string representing a compression algorithm to its enum compression value
libdar::compression::none
@ none
no compression
libdar::compression::lzo
@ lzo
lzo compression
libdar::compression::gzip
@ gzip
gzip compression
libdar::compression::lzo1x_1_15
@ lzo1x_1_15
lzo degraded algo corresponding to lzop -1
libdar::compression2string
std::string compression2string(compression c)
convert a compression to its string representation
libdar::compression::lzo1x_1
@ lzo1x_1
lzo degraded algo corresponding to lzo -2 to lzo -6
libdar
libdar namespace encapsulate all libdar symbols
Definition: archive.hpp:47