e32tools/elf2e32/source/inflate.h
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/elf2e32/source/inflate.h	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,63 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Class for inflater
+// @internalComponent
+// @released
+// 
+//
+
+#ifndef __INFLATE_H__
+#define __INFLATE_H__
+
+#include "e32defwrap.h"
+#include "huffman.h"
+
+
+const TInt KDeflateMinLength=3;
+const TInt KDeflateMaxDistance=(1<<KDeflateDistanceMag);
+const TInt KDeflateDistCodeBase=0x200;
+
+/**
+Class for inflater
+@internalComponent
+@released
+*/
+class CInflater
+{
+	public:
+		enum {EBufSize = 0x800, ESafetyZone=8};
+	public:
+		static CInflater* NewLC(TBitInput& aInput);
+		~CInflater();
+		TInt ReadL(TUint8* aBuffer,TInt aLength);
+		TInt SkipL(TInt aLength);
+	private:
+		CInflater(TBitInput& aInput);
+		void ConstructL();
+		void InitL();
+		TInt InflateL();
+	private:
+		TBitInput* iBits;
+		const TUint8* iRptr;			// partial segment
+		TInt iLen;
+		const TUint8* iAvail;			// available data
+		const TUint8* iLimit;
+		TEncoding* iEncoding;
+		TUint8* iOut;					// circular buffer for distance matches
+		TUint8 iHuff[EBufSize+ESafetyZone];	// huffman data
+};
+
+
+#endif
+