// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

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

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef BIDICOPY_H_

#define BIDICOPY_H_

#include <e32def.h>

class BidiCopy

/** Text copying and reversal routines.

@internalTechnology */

	{

public:

	static TInt Mirror(TInt a);

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

	static TText* CopyBackwards(TText* aDestination,

		const TText* aSource, TInt aLength);

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

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

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

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

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

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

	static TText* CopyBackwardsWithMirroring(TText* aDestination,

		const TText* aSource, TInt aLength);

	static TText* CopyGroupsBackwards(TText* aDestination,

		const TText* aSource, TInt aLength);

	static TBool ImplicitDirectionalityIsRightToLeft(

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

	};

#endif