4.63

CPP/7zip/Compress/BranchCoder.h

@@ -0,0 +1,44 @@
+// BranchCoder.h
+
+#ifndef __COMPRESS_BRANCH_CODER_H
+#define __COMPRESS_BRANCH_CODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+class CBranchConverter:
+  public ICompressFilter,
+  public CMyUnknownImp
+{
+protected:
+  UInt32 _bufferPos;
+  virtual void SubInit() {}
+  virtual UInt32 SubFilter(Byte *data, UInt32 size) = 0;
+public:
+  MY_UNKNOWN_IMP;
+  STDMETHOD(Init)();
+  STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
+};
+
+#define MyClassEncoderA(Name) class C ## Name: public CBranchConverter \
+  { public: UInt32 SubFilter(Byte *data, UInt32 size); };
+
+#define MyClassDecoderA(Name) class C ## Name: public CBranchConverter \
+  { public: UInt32 SubFilter(Byte *data, UInt32 size); };
+
+#define MyClassEncoderB(Name, ADD_ITEMS, ADD_INIT) class C ## Name: public CBranchConverter, public ADD_ITEMS \
+  { public: UInt32 SubFilter(Byte *data, UInt32 size); ADD_INIT};
+
+#define MyClassDecoderB(Name, ADD_ITEMS, ADD_INIT) class C ## Name: public CBranchConverter, public ADD_ITEMS \
+  { public: UInt32 SubFilter(Byte *data, UInt32 size); ADD_INIT};
+
+#define MyClassA(Name, id, subId)  \
+MyClassEncoderA(Name ## _Encoder) \
+MyClassDecoderA(Name ## _Decoder)
+
+#define MyClassB(Name, id, subId, ADD_ITEMS, ADD_INIT)  \
+MyClassEncoderB(Name ## _Encoder, ADD_ITEMS, ADD_INIT) \
+MyClassDecoderB(Name ## _Decoder, ADD_ITEMS, ADD_INIT)
+
+#endif