110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
#ifndef HHlzmaHH
|
|
#define HHlzmaHH
|
|
|
|
#include <vector>
|
|
|
|
extern int LZMA_verbose;
|
|
|
|
extern unsigned LZMA_NumFastBytes;
|
|
extern unsigned LZMA_AlgorithmNo;
|
|
extern unsigned LZMA_PosStateBits;
|
|
extern unsigned LZMA_LiteralPosStateBits;
|
|
extern unsigned LZMA_LiteralContextBits;
|
|
|
|
/* decompress LZMA-compressed data. */
|
|
const std::vector<unsigned char> LZMADeCompress
|
|
(const unsigned char* data, std::size_t length);
|
|
|
|
const std::vector<unsigned char> LZMADeCompress
|
|
(const unsigned char* data, std::size_t length, bool& ok);
|
|
|
|
static inline const std::vector<unsigned char> LZMADeCompress
|
|
(const std::vector<unsigned char>& buf)
|
|
{ return LZMADeCompress(&buf[0], buf.size()); }
|
|
|
|
static inline const std::vector<unsigned char> LZMADeCompress
|
|
(const std::vector<unsigned char>& buf, bool& ok)
|
|
{ return LZMADeCompress(&buf[0], buf.size(), ok); }
|
|
|
|
/* LZMA-compress data with current settings. */
|
|
const std::vector<unsigned char> LZMACompress
|
|
(const unsigned char* data, std::size_t length);
|
|
|
|
static inline const std::vector<unsigned char> LZMACompress
|
|
(const std::vector<unsigned char>& buf)
|
|
{ return LZMACompress(&buf[0], buf.size()); }
|
|
|
|
/* LZMA-compress data with given settings. */
|
|
const std::vector<unsigned char> LZMACompress
|
|
(const unsigned char* data, std::size_t length,
|
|
unsigned pb,
|
|
unsigned lp,
|
|
unsigned lc);
|
|
|
|
static inline const std::vector<unsigned char> LZMACompress
|
|
(const std::vector<unsigned char>& buf,
|
|
unsigned pb,
|
|
unsigned lp,
|
|
unsigned lc)
|
|
{ return LZMACompress(&buf[0], buf.size(), pb,lp,lc); }
|
|
|
|
const std::vector<unsigned char> LZMACompress(
|
|
const unsigned char* data, std::size_t length,
|
|
unsigned pb,
|
|
unsigned lp,
|
|
unsigned lc,
|
|
unsigned dictionarysize);
|
|
|
|
static inline const std::vector<unsigned char> LZMACompress(
|
|
const std::vector<unsigned char>& buf,
|
|
unsigned pb,
|
|
unsigned lp,
|
|
unsigned lc,
|
|
unsigned dictionarysize)
|
|
{ return LZMACompress(&buf[0], buf.size(), pb,lp,lc,dictionarysize); }
|
|
|
|
/* LZMA-compress data with every settings (5*5*9 times), taking the best.
|
|
* It will consume a lot of time and output useful statistics,
|
|
* so a context parameter ("why") is also given.
|
|
*/
|
|
const std::vector<unsigned char> LZMACompressHeavy
|
|
(const unsigned char* data, std::size_t length,
|
|
const char* why = "?");
|
|
|
|
const std::vector<unsigned char> LZMACompressAuto
|
|
(const unsigned char* data, std::size_t length,
|
|
const char* why = "?");
|
|
|
|
static inline const std::vector<unsigned char> LZMACompressHeavy
|
|
(const std::vector<unsigned char>& buf,
|
|
const char* why = "?")
|
|
{ return LZMACompressHeavy(&buf[0],buf.size(),why); }
|
|
|
|
static inline const std::vector<unsigned char> LZMACompressAuto
|
|
(const std::vector<unsigned char>& buf,
|
|
const char* why = "?")
|
|
{ return LZMACompressAuto(&buf[0],buf.size(),why); }
|
|
|
|
const std::vector<unsigned char>
|
|
DoLZMACompress(int HeavyLevel,
|
|
const unsigned char* data,
|
|
std::size_t length,
|
|
const char* why = "?");
|
|
|
|
static inline const std::vector<unsigned char>
|
|
DoLZMACompress(int HeavyLevel,
|
|
const std::vector<unsigned char>& data, const char* why = "?")
|
|
{ return DoLZMACompress(HeavyLevel, &data[0], data.size(), why); }
|
|
|
|
|
|
/*
|
|
LZMA compressed file format
|
|
---------------------------
|
|
Offset Size Description
|
|
0 1 Special LZMA properties for compressed data
|
|
1 4 Dictionary size (little endian)
|
|
5 8 Uncompressed size (little endian). -1 means unknown size
|
|
13 Compressed data
|
|
*/
|
|
#endif
|