--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Common/FilterCoder.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,143 @@
+// FilterCoder.h
+
+#ifndef __FILTERCODER_H
+#define __FILTERCODER_H
+
+#include "../../Common/MyCom.h"
+#include "../ICoder.h"
+#include "../IPassword.h"
+
+#define MY_QUERYINTERFACE_ENTRY_AG(i, sub0, sub) if (iid == IID_ ## i) \
+{ if (!sub) RINOK(sub0->QueryInterface(IID_ ## i, (void **)&sub)) \
+*outObject = (void *)(i *)this; AddRef(); return S_OK; } 
+
+class CFilterCoder:
+  public ICompressCoder,
+  // #ifdef _ST_MODE
+  public ICompressSetInStream,
+  public ISequentialInStream,
+  public ICompressSetOutStream,
+  public ISequentialOutStream,
+  public IOutStreamFlush,
+  // #endif
+
+  #ifndef _NO_CRYPTO
+  public ICryptoSetPassword,
+  #endif
+  #ifndef EXTRACT_ONLY
+  public ICompressSetCoderProperties,
+  public ICompressWriteCoderProperties,
+  // public ICryptoResetSalt,
+  public ICryptoResetInitVector,
+  #endif
+  public ICompressSetDecoderProperties2,
+  public CMyUnknownImp
+{
+protected:
+  Byte *_buffer;
+  // #ifdef _ST_MODE
+  CMyComPtr<ISequentialInStream> _inStream;
+  CMyComPtr<ISequentialOutStream> _outStream;
+  UInt32 _bufferPos;
+  UInt32 _convertedPosBegin;
+  UInt32 _convertedPosEnd;
+  // #endif
+  bool _outSizeIsDefined;
+  UInt64 _outSize;
+  UInt64 _nowPos64;
+
+  HRESULT Init() 
+  { 
+    _nowPos64 = 0;
+    _outSizeIsDefined = false;
+    return Filter->Init(); 
+  }
+
+  CMyComPtr<ICryptoSetPassword> _setPassword;
+  #ifndef EXTRACT_ONLY
+  CMyComPtr<ICompressSetCoderProperties> _SetCoderProperties;
+  CMyComPtr<ICompressWriteCoderProperties> _writeCoderProperties;
+  // CMyComPtr<ICryptoResetSalt> _CryptoResetSalt;
+  CMyComPtr<ICryptoResetInitVector> _CryptoResetInitVector;
+  #endif
+  CMyComPtr<ICompressSetDecoderProperties2> _setDecoderProperties;
+public:
+  CMyComPtr<ICompressFilter> Filter;
+
+  CFilterCoder();
+  ~CFilterCoder();
+  HRESULT WriteWithLimit(ISequentialOutStream *outStream, UInt32 size);
+  bool NeedMore() const  
+    { return (!_outSizeIsDefined || (_nowPos64 < _outSize)); }
+
+public:
+  MY_QUERYINTERFACE_BEGIN
+    MY_QUERYINTERFACE_ENTRY(ICompressCoder)
+    // #ifdef _ST_MODE
+    MY_QUERYINTERFACE_ENTRY(ICompressSetInStream)
+    MY_QUERYINTERFACE_ENTRY(ISequentialInStream)
+
+    MY_QUERYINTERFACE_ENTRY(ICompressSetOutStream)
+    MY_QUERYINTERFACE_ENTRY(ISequentialOutStream)
+    MY_QUERYINTERFACE_ENTRY(IOutStreamFlush)
+    // #endif
+
+    #ifndef _NO_CRYPTO
+    MY_QUERYINTERFACE_ENTRY_AG(ICryptoSetPassword, Filter, _setPassword)
+    #endif
+
+    #ifndef EXTRACT_ONLY
+    MY_QUERYINTERFACE_ENTRY_AG(ICompressSetCoderProperties, Filter, _SetCoderProperties)
+    MY_QUERYINTERFACE_ENTRY_AG(ICompressWriteCoderProperties, Filter, _writeCoderProperties)
+    // MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetSalt, Filter, _CryptoResetSalt)
+    MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetInitVector, Filter, _CryptoResetInitVector)
+    #endif
+
+    MY_QUERYINTERFACE_ENTRY_AG(ICompressSetDecoderProperties2, Filter, _setDecoderProperties)
+  MY_QUERYINTERFACE_END
+  MY_ADDREF_RELEASE
+  STDMETHOD(Code)(ISequentialInStream *inStream,
+      ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
+      ICompressProgressInfo *progress);
+  // #ifdef _ST_MODE
+  STDMETHOD(ReleaseInStream)();
+  STDMETHOD(SetInStream)(ISequentialInStream *inStream);
+  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); \
+  STDMETHOD(SetOutStream)(ISequentialOutStream *outStream);
+  STDMETHOD(ReleaseOutStream)();
+  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+  STDMETHOD(Flush)();
+  // #endif
+
+  #ifndef _NO_CRYPTO
+  STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
+  #endif
+  #ifndef EXTRACT_ONLY
+  STDMETHOD(SetCoderProperties)(const PROPID *propIDs, 
+      const PROPVARIANT *properties, UInt32 numProperties);
+  STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
+  // STDMETHOD(ResetSalt)();
+  STDMETHOD(ResetInitVector)();
+  #endif
+  STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
+};
+
+// #ifdef _ST_MODE
+class CInStreamReleaser
+{
+public:
+  CFilterCoder *FilterCoder;
+  CInStreamReleaser(): FilterCoder(0) {}
+  ~CInStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseInStream(); }
+};
+
+class COutStreamReleaser
+{
+public:
+  CFilterCoder *FilterCoder;
+  COutStreamReleaser(): FilterCoder(0) {}
+  ~COutStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseOutStream(); }
+};
+// #endif
+
+#endif