/*

* Copyright (c) 2003 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: Base64 encoder/decoder

*

*/

#ifndef _BASE64_H_

#define _BASE64_H_

#define B64_NOP_CHR '='

#define B64_LINEBREAK '\n'

#define B64_NOP_VAL 254

#define B64_IGN 255

#define MAXLINELEN 76

// encoding table

static const TUint8 Kb64 [] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

class TBase64Codec

{

	public:

		// Public interface

		IMPORT_C TInt Base64Encode(const TDesC8 &aRawData, const TDes8 &aEncodedData);

		IMPORT_C TInt Base64Decode(const TDesC8 &aEncodedData, const TDes8 &aDecodedData);

		IMPORT_C HBufC8* Base64EncodeLC(const TDesC8 &aRawData);

		IMPORT_C HBufC8* Base64DecodeLC(const TDesC8 &aEncodedData);

		IMPORT_C TBase64Codec();

	private:	

		TUint8 iD64[256]; /* decoding table */

		void InitBase64(void);

};

#endif