Disk ARchive  2.6.0
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) 2002-2018 Denis Corbin
4 //
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6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 2
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9 //
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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
lzo degraded algo corresponding to lzop -1
lzo compression
gzip compression
lzo degraded algo corresponding to lzo -2 to lzo -6
compression char2compression(char a)
convert a char as stored in archive to its compression value
Definition: libdar5.hpp:162
lzma compression
compression string2compression(const std::string &a)
convert a string representing a compression algorithm to its enum compression value ...
Definition: libdar5.hpp:165
char compression2char(compression c)
convert a compression value to a char for storing in archive
std::string compression2string(compression c)
convert a compression to its string representation
bzip2 compression
compression
the different compression algorithm available
Definition: compression.hpp:45
libdar namespace encapsulate all libdar symbols
Definition: archive.hpp:46