summaryrefslogtreecommitdiffstats
path: root/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h')
-rw-r--r--src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h b/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h
new file mode 100644
index 000000000..c2288b5af
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.h
@@ -0,0 +1,72 @@
+// PpmdZip.h
+// 2010-03-11 : Igor Pavlov : Public domain
+
+#ifndef __COMPRESS_PPMD_ZIP_H
+#define __COMPRESS_PPMD_ZIP_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