aboutsummaryrefslogtreecommitdiff
path: root/contrib/xz/src/xz/coder.h
blob: 2d3add9727451376d9a826b296805f9305e72815 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
///////////////////////////////////////////////////////////////////////////////
//
/// \file       coder.h
/// \brief      Compresses or uncompresses a file
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

enum operation_mode {
	MODE_COMPRESS,
	MODE_DECOMPRESS,
	MODE_TEST,
	MODE_LIST,
};


// NOTE: The order of these is significant in suffix.c.
enum format_type {
	FORMAT_AUTO,
	FORMAT_XZ,
	FORMAT_LZMA,
	// HEADER_GZIP,
	FORMAT_RAW,
};


/// Operation mode of the command line tool. This is set in args.c and read
/// in several files.
extern enum operation_mode opt_mode;

/// File format to use when encoding or what format(s) to accept when
/// decoding. This is a global because it's needed also in suffix.c.
/// This is set in args.c.
extern enum format_type opt_format;

/// If true, the compression settings are automatically adjusted down if
/// they exceed the memory usage limit.
extern bool opt_auto_adjust;


/// Set the integrity check type used when compressing
extern void coder_set_check(lzma_check check);

/// Set preset number
extern void coder_set_preset(uint32_t new_preset);

/// Enable extreme mode
extern void coder_set_extreme(void);

/// Add a filter to the custom filter chain
extern void coder_add_filter(lzma_vli id, void *options);

///
extern void coder_set_compression_settings(void);

/// Compress or decompress the given file
extern void coder_run(const char *filename);