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/*
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* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* Code used to actually access lookup tables. Included by
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* automatically generated files which define the tables to
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* implement the functions prototyped in Charconv_table_utilties.h
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*
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*/
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/**
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This function attempts to look up "Foreign" character and return
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the Unicode character defined as being the appropriate representation
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for this character set.
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@param aRow The most significant 8 bits of the input charachter.
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@param aColumn The least significant 8 bits of the input charachter.
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@return KUnicodeUnmappedChar if no mapping is defined for the input character, otherwise a valid unicode character.
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@internalTechnology
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*/
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TUint16 lookupUnicodeChar(TUint aRow, TUint aColumn)
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{
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const TUint16* unicodeColumn ;
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TUint16 unicodeChar ;
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unicodeColumn = ForeignToUnicodeRowMappings[aRow] ;
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if (unicodeColumn)
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{
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if ((aColumn >= unicodeColumn[KlowestIndex]) &&
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(aColumn <= unicodeColumn[KhighestIndex]))
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{
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aColumn += KFirstDataIndex ;
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aColumn -= unicodeColumn[KlowestIndex] ;
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unicodeChar = unicodeColumn[aColumn] ;
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}
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else
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{
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unicodeChar = KUnicodeUnmappedChar ;
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}
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}
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else
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{
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unicodeChar = KUnicodeUnmappedChar ;
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}
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return unicodeChar ;
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}
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/**
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This function attempts to look up a Unicode character and return
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the "Foreign" character defined as being the appropriate representation
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for this character set.
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@param aRow The most significant 8 bits of the input character.
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@param aColumn The least significant 8 bits of the input character.
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@return KForeignUnmappedChar if no mapping is defined for the input character, otherwise a valid unicode character.
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@internalTechnology
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*/
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TUint16 lookupForeignChar(TUint aRow, TUint aColumn)
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{
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const TUint16* foreignColumn ;
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TUint16 foreignChar ;
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foreignColumn = UnicodeToForeignRowMappings[aRow] ;
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if (foreignColumn)
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{
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if ((aColumn >= foreignColumn[KlowestIndex]) &&
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(aColumn <= foreignColumn[KhighestIndex]))
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{
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aColumn += KFirstDataIndex ;
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aColumn -= foreignColumn[KlowestIndex] ;
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foreignChar = foreignColumn[aColumn] ;
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}
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else
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{
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foreignChar = KForeignUnmappedChar ;
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}
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}
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else
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{
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foreignChar = KForeignUnmappedChar ;
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}
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return foreignChar ;
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}
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/**
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This function returns the value of KUnicodeUnmappedChar (may vary for
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different character sets..
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@return Value of KUnicodeUnmappedChar for this particular implementation
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@internalComponent
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*/
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TUint16 getUnicodeUnmappedCharacter(void)
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{
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return KUnicodeUnmappedChar ;
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}
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/**
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This function returns the value of KForeignUnmappedChar (may vary for
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different character sets..
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@return Value of KForeignUnmappedChar for this particular implementation
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@internalComponent
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*/
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TUint16 getForeignUnmappedCharacter(void)
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{
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return KForeignUnmappedChar ;
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}
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