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
|
/**
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#pragma once
#define ZSTD_STATIC_LINKING_ONLY
#include "zstd.h"
#undef ZSTD_STATIC_LINKING_ONLY
#include <cstdint>
#include <string>
namespace pzstd {
struct Options {
unsigned numThreads;
unsigned maxWindowLog;
unsigned compressionLevel;
bool decompress;
std::string inputFile;
std::string outputFile;
bool overwrite;
bool pzstdHeaders;
Options();
Options(
unsigned numThreads,
unsigned maxWindowLog,
unsigned compressionLevel,
bool decompress,
const std::string& inputFile,
const std::string& outputFile,
bool overwrite,
bool pzstdHeaders)
: numThreads(numThreads),
maxWindowLog(maxWindowLog),
compressionLevel(compressionLevel),
decompress(decompress),
inputFile(inputFile),
outputFile(outputFile),
overwrite(overwrite),
pzstdHeaders(pzstdHeaders) {}
bool parse(int argc, const char** argv);
ZSTD_parameters determineParameters() const {
ZSTD_parameters params = ZSTD_getParams(compressionLevel, 0, 0);
if (maxWindowLog != 0 && params.cParams.windowLog > maxWindowLog) {
params.cParams.windowLog = maxWindowLog;
params.cParams = ZSTD_adjustCParams(params.cParams, 0, 0);
}
return params;
}
};
}
|
