1// BranchCoder.h
2
3#ifndef __COMPRESS_BRANCH_CODER_H
4#define __COMPRESS_BRANCH_CODER_H
5
6#include "../../Common/MyCom.h"
7
8#include "../ICoder.h"
9
10class CBranchConverter:
11  public ICompressFilter,
12  public CMyUnknownImp
13{
14protected:
15  UInt32 _bufferPos;
16  virtual void SubInit() {}
17  virtual UInt32 SubFilter(Byte *data, UInt32 size) = 0;
18public:
19  MY_UNKNOWN_IMP;
20  STDMETHOD(Init)();
21  STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
22};
23
24#define MyClassEncoderA(Name) class C ## Name: public CBranchConverter \
25  { public: UInt32 SubFilter(Byte *data, UInt32 size); };
26
27#define MyClassDecoderA(Name) class C ## Name: public CBranchConverter \
28  { public: UInt32 SubFilter(Byte *data, UInt32 size); };
29
30#define MyClassEncoderB(Name, ADD_ITEMS, ADD_INIT) class C ## Name: public CBranchConverter, public ADD_ITEMS \
31  { public: UInt32 SubFilter(Byte *data, UInt32 size); ADD_INIT};
32
33#define MyClassDecoderB(Name, ADD_ITEMS, ADD_INIT) class C ## Name: public CBranchConverter, public ADD_ITEMS \
34  { public: UInt32 SubFilter(Byte *data, UInt32 size); ADD_INIT};
35
36#define MyClassA(Name, id, subId)  \
37MyClassEncoderA(Name ## _Encoder) \
38MyClassDecoderA(Name ## _Decoder)
39
40#define MyClassB(Name, id, subId, ADD_ITEMS, ADD_INIT)  \
41MyClassEncoderB(Name ## _Encoder, ADD_ITEMS, ADD_INIT) \
42MyClassDecoderB(Name ## _Decoder, ADD_ITEMS, ADD_INIT)
43
44#endif
45