// Copyright (c) 1997-2009 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:

// Converter Architecture wrappers for base64 conversion

// 

//

#include "BASE64.H"

#include <s32buf.h>

#include "B64CONV.H"

void CBase64Encoder::ConvertObjectAL(RReadStream& aReadStream, RWriteStream& aWriteStream, MConverterUiObserver* aObserver)

	{

	if (!iCodec)

		iCodec=new(ELeave) CBase64CodecBase;

	else

		iCodec->Reset();

	iReadStream=aReadStream;

	iWriteStream=aWriteStream;

	iObserver=aObserver;

	}

CBase64Encoder::~CBase64Encoder()

	{

	delete iCodec;

	}

TBool CBase64Encoder::DoConvertL()

	{

	__ASSERT_DEBUG(iCodec,User::Invariant());

	const TInt inLen=384;

	const TInt outLen=512;

	TBuf8<inLen> inbuf;

	TBuf8<outLen> outbuf;

	TRAPD(err,iReadStream.ReadL(inbuf,inLen));

	if (!(err==KErrNone || err==KErrEof))

		User::Leave(err);

	else

		{

		if (err==KErrEof)

			inbuf.SetLength(iReadStream.Source()->SizeL()%inLen);

		iCodec->Encode(inbuf,outbuf);

		iWriteStream.WriteL(outbuf);

		}

	return err!=KErrEof;

	}

TUid CBase64Encoder::Uid()

	{

	return KBase64EncoderUid;

	}

TInt CBase64Encoder::Capabilities()

	{

	return EConvertsObjects;

	}

void CBase64Encoder::CancelConvert()

	{

	__ASSERT_DEBUG(iCodec,User::Invariant());

	iCodec->Reset();

	}

//

// class CBase64Decoder

//

CBase64Decoder::~CBase64Decoder()

	{

	delete iCodec;

	}

void CBase64Decoder::ConvertObjectAL(RReadStream& aReadStream, RWriteStream& aWriteStream, MConverterUiObserver* aObserver)

	{

	if (!iCodec)

		iCodec=new(ELeave) CBase64CodecBase;

	else

		iCodec->Reset();

	iReadStream=aReadStream;

	iWriteStream=aWriteStream;

	iObserver=aObserver;

	}

TBool CBase64Decoder::DoConvertL()

	{

	__ASSERT_DEBUG(iCodec,User::Invariant());

	const TInt inLen=512;

	const TInt outLen=384;

	TBuf8<inLen> inbuf;

	TBuf8<outLen> outbuf;

	TRAPD(err,iReadStream.ReadL(inbuf,inLen));

	if (!(err==KErrNone || err==KErrEof))

		User::Leave(err);

	else

		{

		if (err==KErrEof)

			inbuf.SetLength(iReadStream.Source()->SizeL()%inLen);

		iCodec->Decode(inbuf,outbuf);

		iWriteStream.WriteL(outbuf);

		}

	return err!=KErrEof;

	}

TUid CBase64Decoder::Uid()

	{

	TUid uid=KBase64DecoderUid;

	return uid;

	}

TInt CBase64Decoder::Capabilities()

	{

	return EConvertsObjects;

	}

void CBase64Decoder::CancelConvert()

	{

	__ASSERT_DEBUG(iCodec,User::Invariant());

	iCodec->Reset();

	}