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: * Code used to actually access lookup tables. Included by
sl@0: * automatically generated files which define the tables to
sl@0: * implement the functions prototyped in Charconv_table_utilties.h 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  
sl@0:  This function attempts to look up "Foreign" character and return
sl@0:  the Unicode character defined as being the appropriate representation
sl@0:  for this character set.
sl@0:  @param aRow The most significant 8 bits of the input charachter.
sl@0:  @param aColumn The least significant 8 bits of the input charachter.
sl@0:  @return KUnicodeUnmappedChar if no mapping is defined for the input character, otherwise a valid unicode character.
sl@0:  @internalTechnology
sl@0: */
sl@0: TUint16 lookupUnicodeChar(TUint aRow, TUint aColumn)
sl@0: 	{
sl@0: 	const TUint16* unicodeColumn ;
sl@0: 	TUint16 unicodeChar ;
sl@0: 	
sl@0: 	unicodeColumn = ForeignToUnicodeRowMappings[aRow] ;
sl@0: 	if (unicodeColumn)
sl@0: 		{
sl@0: 		if ((aColumn >= unicodeColumn[KlowestIndex]) &&
sl@0: 		    (aColumn <= unicodeColumn[KhighestIndex]))
sl@0: 			{
sl@0: 			aColumn += KFirstDataIndex ;
sl@0: 			aColumn -= unicodeColumn[KlowestIndex] ;
sl@0: 			unicodeChar = unicodeColumn[aColumn] ;		                                         
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			unicodeChar = KUnicodeUnmappedChar ;	
sl@0: 			}
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 			unicodeChar = KUnicodeUnmappedChar ;				
sl@0: 		}
sl@0: 	return unicodeChar ;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: /**
sl@0: This function attempts to look up a Unicode character and return
sl@0: the "Foreign" character defined as being the appropriate representation
sl@0: for this character set.
sl@0: @param aRow The most significant 8 bits of the input character.
sl@0: @param aColumn The least significant 8 bits of the input character.
sl@0: @return KForeignUnmappedChar if no mapping is defined for the input character, otherwise a valid unicode character.
sl@0: @internalTechnology
sl@0: */	
sl@0: TUint16 lookupForeignChar(TUint aRow, TUint aColumn)
sl@0: 	{
sl@0: 	
sl@0: 	const TUint16* foreignColumn  ;
sl@0: 	TUint16 foreignChar ;
sl@0: 	
sl@0: 	foreignColumn = UnicodeToForeignRowMappings[aRow] ;
sl@0: 	if (foreignColumn)
sl@0: 		{
sl@0: 		if ((aColumn >= foreignColumn[KlowestIndex]) &&
sl@0: 		    (aColumn <= foreignColumn[KhighestIndex]))
sl@0: 			{
sl@0: 			aColumn += KFirstDataIndex ;
sl@0: 			aColumn -= foreignColumn[KlowestIndex] ;
sl@0: 			foreignChar = foreignColumn[aColumn] ;		                                         
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			foreignChar = KForeignUnmappedChar ;	
sl@0: 			}
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 			foreignChar = KForeignUnmappedChar ;				
sl@0: 		}
sl@0: 	return foreignChar ;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: This function returns the value of KUnicodeUnmappedChar (may vary for
sl@0: different character sets..
sl@0: @return Value of KUnicodeUnmappedChar for this particular implementation
sl@0: @internalComponent
sl@0: */		
sl@0: TUint16 getUnicodeUnmappedCharacter(void) 
sl@0: 	{
sl@0: 	return KUnicodeUnmappedChar ;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: This function returns the value of KForeignUnmappedChar (may vary for
sl@0: different character sets..
sl@0: @return Value of KForeignUnmappedChar for this particular implementation
sl@0: @internalComponent
sl@0: */	
sl@0: TUint16 getForeignUnmappedCharacter(void) 
sl@0: 	{
sl@0: 	return KForeignUnmappedChar ;
sl@0: 	}