1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <e32std.h>

    17 #include <e32def.h>

    18 

    19 struct TLeadOrSingle

    20 	{

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

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

    23 	-0xFFFD if it's an unidentified character;

    24 	-0xFFFF if it's an "empty" Leadbyte -doesn't have any Tailbytes

    25 	-0 if it's a Leadbyte*/

    26 	TUint16 iUnicodeIfSingle;

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

    28 	TUint16 iDoubleByteIndex;

    29 	};

    30 

    31 class TConvDataStruct

    32 	{

    33 	public:

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

    35 		

    36 	public:

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

    38 		static const TLeadOrSingle KFirstByteConversions[128];

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

    40 		corresponding to double byte characters.*/

    41 		static const TUint16 KDoubleByteConversions[];

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

    43 		static const TUint16 KDoubleByteConversionLength;

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

    45 		static const TUint8 KMinTrailByte;

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

    47 		static const TUint8 KMaxTrailByte;

    48 	};

    49