sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <e32def.h>
sl@0: 
sl@0: struct TLeadOrSingle
sl@0: 	{
sl@0: 	/**iUnicodeIfSingle can have any of the following values...
sl@0: 	-Unicode character if this is a single byte character;
sl@0: 	-0xFFFD if it's an unidentified character;
sl@0: 	-0xFFFF if it's an "empty" Leadbyte -doesn't have any Tailbytes
sl@0: 	-0 if it's a Leadbyte*/
sl@0: 	TUint16 iUnicodeIfSingle;
sl@0: 	/**Index into the double byte table.*/
sl@0: 	TUint16 iDoubleByteIndex;
sl@0: 	};
sl@0: 
sl@0: class TConvDataStruct
sl@0: 	{
sl@0: 	public:
sl@0: 		static TInt ConvertSingleUnicode(TInt aUnicode, TInt& aTrailByte);
sl@0: 		
sl@0: 	public:
sl@0: 		/**Conversion table for single bytes and lead bytes from 0x80 to 0xFF.*/
sl@0: 		static const TLeadOrSingle KFirstByteConversions[128];
sl@0: 		/**The double-byte table, stores all Unicode values
sl@0: 		corresponding to double byte characters.*/
sl@0: 		static const TUint16 KDoubleByteConversions[];
sl@0: 		/**Length of double-byte conversion table.*/
sl@0: 		static const TUint16 KDoubleByteConversionLength;
sl@0: 		/**Minimum calue a trail byte may take.*/
sl@0: 		static const TUint8 KMinTrailByte;
sl@0: 		/**Maximum value a trail byte may take.*/
sl@0: 		static const TUint8 KMaxTrailByte;
sl@0: 	};
sl@0: