1 // Copyright (c) 2002-2009 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 "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef BIDICOPY_H_

    17 #define BIDICOPY_H_

    18 

    19 #include <e32def.h>

    20 

    21 class BidiCopy

    22 /** Text copying and reversal routines.

    23 @internalTechnology */

    24 	{

    25 public:

    26 	static TInt Mirror(TInt a);

    27 	static void ReverseCodes(TText* aText, TInt aLength);

    28 	static TText* CopyBackwards(TText* aDestination,

    29 		const TText* aSource, TInt aLength);

    30 	static void DeleteUnreversedSurrogates(TText* aText, TInt aLength);

    31 	static void CorrectSurrogatePairs(TText* aText, TInt aLength);

    32 	static void CorrectGroups(TText* aText, TInt aLength);

    33 	 static void SubstituteMirrorImages(TText* aText, TInt aLength);

    34 	static TText* CopyMirror(TText* aDestination, const TText* aSource, TInt length);

    35 	static TText* OutputTChar(TText* aDestination, TInt aToOutput);

    36 	static TText* CopyBackwardsWithMirroring(TText* aDestination,

    37 		const TText* aSource, TInt aLength);

    38 	static TText* CopyGroupsBackwards(TText* aDestination,

    39 		const TText* aSource, TInt aLength);

    40 	static TBool ImplicitDirectionalityIsRightToLeft(

    41 		const TText* aText, TInt aLength, TBool* aFound);

    42 	};

    43 

    44 #endif