diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Compress/Branch/BranchCoder.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Compress/Branch/BranchCoder.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,45 @@
+// BranchCoder.h
+
+#ifndef __BRANCH_CODER_H
+#define __BRANCH_CODER_H
+
+#include "Common/MyCom.h"
+#include "Common/Types.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