1.1 --- a/epoc32/include/ezstream.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/ezstream.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,72 @@
     1.4 -ezstream.h
     1.5 +// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +// All rights reserved.
     1.7 +// This component and the accompanying materials are made available
     1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +// which accompanies this distribution, and is available
    1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +//
    1.12 +// Initial Contributors:
    1.13 +// Nokia Corporation - initial contribution.
    1.14 +//
    1.15 +// Contributors:
    1.16 +//
    1.17 +// Description:
    1.18 +// EZLib: ZSTREAM.H
    1.19 +// Declaration for CEZStream class.  
    1.20 +// 
    1.21 +//
    1.22 +
    1.23 +#ifndef __EZZSTREAM_H__
    1.24 +#define __EZZSTREAM_H__
    1.25 +
    1.26 +#include <e32base.h>
    1.27 +#include <ezlib.h>
    1.28 +#include <ezliberrorcodes.h>
    1.29 +
    1.30 +/**
    1.31 +Represents a zip stream
    1.32 +
    1.33 +@publishedAll
    1.34 +@released
    1.35 +*/
    1.36 +class CEZZStream : public CBase
    1.37 +	{
    1.38 +public:
    1.39 +/** stream panic values */
    1.40 +	enum 
    1.41 +		{
    1.42 +		EStreamError = -Z_STREAM_ERROR,
    1.43 +		EDataError = -Z_DATA_ERROR,
    1.44 +		EBufError = -Z_BUF_ERROR,
    1.45 +		EVersionError = -Z_VERSION_ERROR,
    1.46 +		EUnexpected
    1.47 +		};
    1.48 +public:
    1.49 +	IMPORT_C void SetInput(const TDesC8& aInputData);
    1.50 +	IMPORT_C void SetOutput(TDes8& aOutputData);
    1.51 +
    1.52 +	IMPORT_C TPtrC8 OutputDescriptor() const;
    1.53 +	IMPORT_C TInt TotalOut() const;
    1.54 +	IMPORT_C TInt TotalIn() const;
    1.55 +	IMPORT_C TInt32 Adler32() const;
    1.56 +	IMPORT_C TInt AvailIn() const;
    1.57 +	IMPORT_C TInt AvailOut() const;
    1.58 +
    1.59 +	IMPORT_C TInt Progress(TInt aTotalLength) const;
    1.60 +	
    1.61 +protected:
    1.62 +	CEZZStream();
    1.63 +
    1.64 +	
    1.65 +protected:
    1.66 +	z_stream iStream;
    1.67 +
    1.68 +	// This pointer is reset every time SetOutput is called.  It maintains a pointer to the
    1.69 +	// start of the output buffer which is being written to.  We cannot use iStream.next_out,
    1.70 +	// because zlib will modifify this during its deflate and inflate.
    1.71 +	
    1.72 +	TUint8* iOutputPointer;
    1.73 +	TInt iOutputBufferLength;
    1.74 +	};
    1.75 +
    1.76 +#endif