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diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/PpmdEncoder.h b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/PpmdEncoder.h
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index 000000000..07b368a7e
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+++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/PpmdEncoder.h
@@ -0,0 +1,79 @@
+// PpmdEncoder.h
+// 2009-05-30 : Igor Pavlov : Public domain
+
+#ifndef __COMPRESS_PPMD_ENCODER_H
+#define __COMPRESS_PPMD_ENCODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+#include "../Common/InBuffer.h"
+
+#include "PpmdEncode.h"
+#include "RangeCoder.h"
+
+namespace NCompress {
+namespace NPpmd {
+
+class CEncoder :
+ public ICompressCoder,
+ public ICompressSetCoderProperties,
+ public ICompressWriteCoderProperties,
+ public CMyUnknownImp
+{
+public:
+ CInBuffer _inStream;
+
+ NRangeCoder::CEncoder _rangeEncoder;
+
+ CEncodeInfo _info;
+ UInt32 _usedMemorySize;
+ Byte _order;
+
+ HRESULT Flush()
+ {
+ _rangeEncoder.FlushData();
+ return _rangeEncoder.FlushStream();
+ }
+
+ void ReleaseStreams()
+ {
+ _inStream.ReleaseStream();
+ _rangeEncoder.ReleaseStream();
+ }
+
+ HRESULT CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+ const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+
+ class CEncoderFlusher
+ {
+ CEncoder *_encoder;
+ public:
+ CEncoderFlusher(CEncoder *encoder): _encoder(encoder) {}
+ ~CEncoderFlusher()
+ {
+ _encoder->Flush();
+ _encoder->ReleaseStreams();
+ }
+ };
+
+public:
+
+ MY_UNKNOWN_IMP2(
+ ICompressSetCoderProperties,
+ ICompressWriteCoderProperties)
+
+ STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+ const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+
+ STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
+
+ STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
+
+ CEncoder();
+};
+
+}}
+
+#endif