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
|
// ImplodeDecoder.h
#ifndef __COMPRESS_IMPLODE_DECODER_H
#define __COMPRESS_IMPLODE_DECODER_H
#include "../../Common/MyCom.h"
#include "../ICoder.h"
#include "ImplodeHuffmanDecoder.h"
#include "LzOutWindow.h"
namespace NCompress {
namespace NImplode {
namespace NDecoder {
class CCoder:
public ICompressCoder,
public ICompressSetDecoderProperties2,
public CMyUnknownImp
{
CLzOutWindow m_OutWindowStream;
NBitl::CDecoder<CInBuffer> m_InBitStream;
NImplode::NHuffman::CDecoder m_LiteralDecoder;
NImplode::NHuffman::CDecoder m_LengthDecoder;
NImplode::NHuffman::CDecoder m_DistanceDecoder;
bool m_BigDictionaryOn;
bool m_LiteralsOn;
int m_NumDistanceLowDirectBits;
UInt32 m_MinMatchLength;
bool ReadLevelItems(NImplode::NHuffman::CDecoder &table, Byte *levels, int numLevelItems);
bool ReadTables();
void DeCodeLevelTable(Byte *newLevels, int numLevels);
public:
CCoder();
MY_UNKNOWN_IMP1(ICompressSetDecoderProperties2)
// void ReleaseStreams();
HRESULT CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
};
}}}
#endif
|
