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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <ezstream.h>
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CEZZStream::CEZZStream() : iOutputPointer(NULL), iOutputBufferLength(0)
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{
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}
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/**
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Set the stream's input buffer
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@param aInputData the input buffer for this stream
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*/
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EXPORT_C void CEZZStream::SetInput(const TDesC8& aInputData)
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{
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iStream.avail_in = aInputData.Size();
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iStream.next_in = STATIC_CAST(Bytef* ,CONST_CAST(TUint8 *,aInputData.Ptr()));
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}
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/**
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Set the stream's output buffer
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@param aOutputData the output buffer for this stream
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*/
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EXPORT_C void CEZZStream::SetOutput(TDes8& aOutputData)
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{
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iOutputPointer = STATIC_CAST(Bytef* ,CONST_CAST(TUint8 *,aOutputData.Ptr()));
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iOutputBufferLength = aOutputData.MaxSize();
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iStream.avail_out = iOutputBufferLength;
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iStream.next_out = iOutputPointer;
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}
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/**
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Return the progress of the current operation - that is the percentage of bytes written / read
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@param aTotalLength the total number of bytes to read / write
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@return the progress as a percentage - the number of bytes written / read out of the total target
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*/
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EXPORT_C TInt CEZZStream::Progress(TInt aTotalLength) const
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{
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return (aTotalLength == 0) ? 100 : ((iStream.total_in * 100) / aTotalLength);
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}
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/**
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Return the total number of bytes output so far
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@return the total number of bytes output so far
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*/
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EXPORT_C TInt CEZZStream::TotalOut() const
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{
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return iStream.total_out;
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}
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/**
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Return the total number of input bytes read so far
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@return the total number of input bytes read so far
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*/
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EXPORT_C TInt CEZZStream::TotalIn() const
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{
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return iStream.total_in;
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}
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/**
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Return the value of the uncompressed data
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@return the value of the uncompressed data
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*/
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EXPORT_C TInt32 CEZZStream::Adler32() const
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{
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return iStream.adler;
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}
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/**
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Return the number of bytes available at the next input byte
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@return the number of bytes available at the next input byte
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*/
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EXPORT_C TInt CEZZStream::AvailIn() const
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{
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return iStream.avail_in;
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}
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/**
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Return the remaining free space at next output byte target
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@return the remaining free space at next output byte target
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*/
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EXPORT_C TInt CEZZStream::AvailOut() const
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{
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return iStream.avail_out;
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}
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/**
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Return a decriptor pointer to the output buffer
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@return a decriptor pointer to the output buffer
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*/
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EXPORT_C TPtrC8 CEZZStream::OutputDescriptor() const
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{
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return TPtrC8(iOutputPointer,iOutputBufferLength - iStream.avail_out);
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}
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