1 files changed, 74 insertions, 0 deletions
diff --git a/CPP/7zip/Compress/PpmdZip.h b/CPP/7zip/Compress/PpmdZip.h
new file mode 100755
index 00000000..7deb31f4
--- /dev/null
+++ b/CPP/7zip/Compress/PpmdZip.h
@@ -0,0 +1,74 @@
+// PpmdZip.h
+// 2010-03-11 : Igor Pavlov : Public domain
+
+#ifndef __COMPRESS_PPMD_ZIP_H
+#define __COMPRESS_PPMD_ZIP_H
+
+#include "StdAfx.h"
+
+#include "../../../C/Alloc.h"
+#include "../../../C/Ppmd8.h"
+
+#include "../../Common/MyCom.h"
+
+#include "../Common/CWrappers.h"
+
+#include "../ICoder.h"
+
+namespace NCompress {
+namespace NPpmdZip {
+
+static const UInt32 kBufSize = (1 << 20);
+
+struct CBuf
+{
+  Byte *Buf;
+  
+  CBuf(): Buf(0) {}
+  ~CBuf() { ::MidFree(Buf); }
+  bool Alloc()
+  {
+    if (!Buf)
+      Buf = (Byte *)::MidAlloc(kBufSize);
+    return (Buf != 0);
+  }
+};
+
+class CDecoder :
+  public ICompressCoder,
+  public CMyUnknownImp
+{
+  CByteInBufWrap _inStream;
+  CBuf _outStream;
+  CPpmd8 _ppmd;
+  bool _fullFileMode;
+public:
+  MY_UNKNOWN_IMP
+  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+  CDecoder(bool fullFileMode);
+  ~CDecoder();
+};
+
+class CEncoder :
+  public ICompressCoder,
+  public CMyUnknownImp
+{
+  CByteOutBufWrap _outStream;
+  CBuf _inStream;
+  CPpmd8 _ppmd;
+  UInt32 _usedMemInMB;
+  unsigned _order;
+  unsigned _restor;
+public:
+  MY_UNKNOWN_IMP
+  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+  HRESULT SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
+  CEncoder();
+  ~CEncoder();
+};
+
+}}
+
+#endif