1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/compressionlibs/ziplib/src/ezlib/filebuffer.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,104 @@
     1.4 +// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include <ezfilebuffer.h>
    1.20 +#include <ezstream.h>
    1.21 +
    1.22 +_LIT(KFileBuffer,"FileBuffer");
    1.23 +
    1.24 +void CEZFileBufferManager::ConstructL(TInt aBufferSize)
    1.25 +	{
    1.26 +	__ASSERT_ALWAYS(aBufferSize > 0, User::Panic(KFileBuffer, EBadInitialization));
    1.27 +
    1.28 +	iBufferSize = aBufferSize;
    1.29 +
    1.30 +	iInputBuffer = new (ELeave) TUint8[iBufferSize];
    1.31 +	iOutputBuffer = new (ELeave) TUint8[iBufferSize];
    1.32 +
    1.33 +	iInputDescriptor.Set(iInputBuffer,0,iBufferSize);
    1.34 +	iOutputDescriptor.Set(iOutputBuffer,0,iBufferSize);
    1.35 +	}
    1.36 +
    1.37 +CEZFileBufferManager::~CEZFileBufferManager()
    1.38 +	{
    1.39 +	delete[] iInputBuffer;
    1.40 +	delete[] iOutputBuffer;
    1.41 +	}
    1.42 +
    1.43 +CEZFileBufferManager::CEZFileBufferManager(RFile &aInput, RFile &aOutput) : 
    1.44 +	iInputFile(aInput), iOutputFile(aOutput), iInputDescriptor(NULL,0), iOutputDescriptor(NULL,0)
    1.45 +	{
    1.46 +
    1.47 +	}
    1.48 +
    1.49 +/**
    1.50 +Creates a new CEZFileBufferManager object and leave it on the CleanupStack
    1.51 +
    1.52 +@param aInput the input file
    1.53 +@param aOutput the output file
    1.54 +@param aBufferSize the required size of the buffers
    1.55 +@return the new CEZFileBufferManager object, on the CleanupStack
    1.56 +*/
    1.57 +EXPORT_C CEZFileBufferManager* CEZFileBufferManager::NewLC(RFile &aInput, RFile &aOutput, TInt aBufferSize)
    1.58 +	{
    1.59 +	CEZFileBufferManager *fb = new (ELeave) CEZFileBufferManager(aInput,aOutput);
    1.60 +	CleanupStack::PushL(fb);
    1.61 +	fb->ConstructL(aBufferSize);
    1.62 +	return fb;
    1.63 +	}
    1.64 +
    1.65 +/**
    1.66 +Creates a new CEZFileBufferManager object
    1.67 +
    1.68 +@param aInput the input file
    1.69 +@param aOutput the output file
    1.70 +@param aBufferSize the required size of the buffers
    1.71 +@return the new CEZFileBufferManager object
    1.72 +*/
    1.73 +EXPORT_C CEZFileBufferManager* CEZFileBufferManager::NewL(RFile &aInput, RFile &aOutput, TInt aBufferSize)
    1.74 +	{
    1.75 +	CEZFileBufferManager *fb = new (ELeave) CEZFileBufferManager(aInput,aOutput);
    1.76 +	CleanupStack::PushL(fb);
    1.77 +	fb->ConstructL(aBufferSize);
    1.78 +	CleanupStack::Pop();
    1.79 +	return fb;
    1.80 +	}
    1.81 +
    1.82 +
    1.83 +void CEZFileBufferManager::InitializeL(CEZZStream &aZStream)
    1.84 +	{
    1.85 +	User::LeaveIfError(iInputFile.Read(iInputDescriptor));
    1.86 +	aZStream.SetInput(iInputDescriptor);
    1.87 +	aZStream.SetOutput(iOutputDescriptor);
    1.88 +	}
    1.89 +
    1.90 +void CEZFileBufferManager::NeedInputL(CEZZStream &aZStream)
    1.91 +	{
    1.92 +	User::LeaveIfError(iInputFile.Read(iInputDescriptor));
    1.93 +	aZStream.SetInput(iInputDescriptor);
    1.94 +	}
    1.95 +
    1.96 +void CEZFileBufferManager::NeedOutputL(CEZZStream &aZStream)
    1.97 +	{
    1.98 +	TPtrC8 od = aZStream.OutputDescriptor();
    1.99 +	User::LeaveIfError(iOutputFile.Write(od));
   1.100 +	aZStream.SetOutput(iOutputDescriptor);
   1.101 +	}
   1.102 +
   1.103 +void CEZFileBufferManager::FinalizeL(CEZZStream &aZStream)
   1.104 +	{
   1.105 +	TPtrC8 od = aZStream.OutputDescriptor();
   1.106 +	User::LeaveIfError(iOutputFile.Write(od));
   1.107 +	}