--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compressionlibs/ziplib/inc/zipfilememberinputstream.h	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,153 @@
+// Copyright (c) 2003-2009 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:
+//
+
+
+#ifndef _ZIP_FILE_MEMBER_INPUT_STREAM_H_
+#define _ZIP_FILE_MEMBER_INPUT_STREAM_H_
+
+#include <zlib.h>
+#include <localtypes.h>
+#include <s32file.h>
+
+class CZipFile;
+
+/**
+A RZipFileMemberReaderStream represents a input stream for compressed files in the archive. 
+This is a friend class to CZipFile. In order to create a input stream for a file in the archive,
+CZipFile will call its member function GetInputStreamL() by passing a pointer to 
+RZipFileMemberReaderStream and the function will return the input stream for the file
+Note: This class is actually a C class as it derives from CBase
+
+@publishedAll
+@released
+*/
+class RZipFileMemberReaderStream : public CBase
+	{
+friend class CZipFile;
+
+public:
+	
+	IMPORT_C ~RZipFileMemberReaderStream();
+	IMPORT_C TInt Read(TDes16& aDes, TInt aLength);
+	
+	/**
+	Overload version of the RZipFileMemberReaderStream read method.
+	On return, contains the data read from the stream buffer.
+	
+	@param aDes The target descriptor for the data read from the stream buffer
+	@param aLength The maximum number of bytes to be read
+	@return KErrNone If all bytes read successfully.
+	@return	KErrCorrupt If reading fails.
+	@return KErrEof If end of file is reached.
+	@return ... Any one of the system-wide error codes for other errors.
+	*/	
+	virtual TInt Read(TDes8& aDes, TInt aLength);
+	
+	/**
+	Overload version of the RZipFileMemberReaderStream readL method.
+	On return, contains the data read from the stream buffer.
+	
+	@param aDes The target descriptor for the data read from the stream buffer
+	@param aLength The maximum number of bytes to be read
+	@leave KErrNone If all bytes read successfully.
+	@leave KErrCorrupt If reading fails.
+	@leave KErrEof If end of file is reached.
+	@leave ... Any one of the system-wide error codes for other errors.
+	*/
+	virtual void ReadL(TDes16& aDes, TInt aLength);
+
+
+	void Release();
+	void Close();
+
+private:
+	RZipFileMemberReaderStream(CZipFile&, TUint32, TUint32, TUint32, TUint32);
+	
+	static RZipFileMemberReaderStream* NewL(CZipFile&, TUint32, TUint32, TUint32, TUint32);
+	void RZipFileMemberReaderStream::ConstructL();
+	
+	virtual TInt Read(void);
+	virtual TInt Read(TByte*, TUint32, TUint32*);
+
+	TInt GetBytes(TByte*, TUint32, TUint32*);
+	TInt GetCompressedBytes(void);
+	TInt GetStoredBytes(TByte*, TUint32, TUint32*);
+	
+	void ReadL(TDes8&);
+	void ReadL(TDes16&);
+	void ReadL(TDes8&, TChar);
+	void ReadL(TDes16&, TChar);
+	void ReadL(TUint8*, TInt);
+	void ReadL(TUint16*, TInt);
+	void ReadL(RWriteStream&);
+	void ReadL(RWriteStream&, TInt);
+	void ReadL(TInt);
+
+	TInt8 ReadInt8L();
+	TInt16 ReadInt16L();
+	TInt32 ReadInt32L();
+	TUint8 ReadUint8L();
+	TUint16 ReadUint16L();
+	TUint32 ReadUint32L();
+
+	TReal32 ReadReal32L() __SOFTFP;
+	TReal64 ReadReal64L() __SOFTFP;
+
+	void PushL();
+	void Pop();
+	void Attach(MStreamBuf*);
+	void Detach();
+	MStreamBuf* Source();
+
+
+private:
+
+	enum
+		{
+		kCompressedBytesSize = 1024
+		};
+		
+private:
+	
+	CZipFile& 	iZipFile;
+	
+	/** The method for compressing file*/ 
+	TUint32   	iCompressionMethod;
+	
+	z_stream  	iStream;
+	
+	/** The size of compressed file */
+	TUint32     iCompressedSize;
+	
+	/** The size of uncompressed file */
+	TUint32     iUncompressedSize;
+	
+	TUint32     iFileOffset;
+	TUint32     iOffset;
+	TBool       iDone;
+	
+	/** The number of bytes already read in uncompressed bytes*/
+	TUint32     iBytesLength;
+	
+	/** To store compressed bytes read*/
+	TByte       iCompressedBytes[kCompressedBytesSize];
+	
+	/** Not used in implementation*/
+	TUint32     iCompressedBytesOffset;
+	};
+
+	
+#endif /* !_ZIP_FILE_MEMBER_INPUT_STREAM_H_ */
+