1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #include <e32std.h>

    20 #include <e32def.h>

    21 

    22 struct TLeadOrSingle

    23 	{

    24 	/**iUnicodeIfSingle can have any of the following values...

    25 	-Unicode character if this is a single byte character;

    26 	-0xFFFD if it's an unidentified character;

    27 	-0xFFFF if it's an "empty" Leadbyte -doesn't have any Tailbytes

    28 	-0 if it's a Leadbyte*/

    29 	TUint16 iUnicodeIfSingle;

    30 	/**Index into the double byte table.*/

    31 	TUint16 iDoubleByteIndex;

    32 	};

    33 

    34 class TConvDataStruct

    35 	{

    36 	public:

    37 		static TInt ConvertSingleUnicode(TInt aUnicode, TInt& aTrailByte);

    38 		

    39 	public:

    40 		/**Conversion table for single bytes and lead bytes from 0x80 to 0xFF.*/

    41 		static const TLeadOrSingle KFirstByteConversions[128];

    42 		/**The double-byte table, stores all Unicode values

    43 		corresponding to double byte characters.*/

    44 		static const TUint16 KDoubleByteConversions[];

    45 		/**Length of double-byte conversion table.*/

    46 		static const TUint16 KDoubleByteConversionLength;

    47 		/**Minimum calue a trail byte may take.*/

    48 		static const TUint8 KMinTrailByte;

    49 		/**Maximum value a trail byte may take.*/

    50 		static const TUint8 KMaxTrailByte;

    51 	};

    52