#include <e32std.h>

#include <e32def.h>

struct TLeadOrSingle

	{

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

	-Unicode character if this is a single byte character;

	-0xFFFD if it's an unidentified character;

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

	-0 if it's a Leadbyte*/

	TUint16 iUnicodeIfSingle;

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

	TUint16 iDoubleByteIndex;

	};

class TConvDataStruct

	{

	public:

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

	public:

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

		static const TLeadOrSingle KFirstByteConversions[128];

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

		corresponding to double byte characters.*/

		static const TUint16 KDoubleByteConversions[];

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

		static const TUint16 KDoubleByteConversionLength;

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

		static const TUint8 KMinTrailByte;

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

		static const TUint8 KMaxTrailByte;

	};