/*

* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* 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 __FINDUTIL_H__

#define __FINDUTIL_H__

#include <e32base.h>

/**

* Identify the match policy for FindUtil API

*/

enum TMatchPolicy

{

    EDefault,

    ECustomConverter

};

/**

* Interface for the conversion of find string

*/

class MFindStringConverter

    {

public:

    virtual void Converter(const TDesC& aSourStr, TDes& aDestStr) = 0;

    };

/**

* FindUtil API

*/

class MFindUtil

	{

public:

	virtual TBool Match(const TDesC& aContactsField, const TDesC& aWord) = 0;

	virtual TBool MatchRefineL( const TDesC& aItemString, const TDesC &aSearchText) = 0;

	virtual TBool IsWordValidForMatching(const TDesC& aWord) = 0;

	virtual TBool MatchAdaptiveRefineL( const TDesC& aItemString, const TDesC &aSearchText, HBufC*& aNextChars ) = 0;	

	virtual TBool MatchRefineL( const TDesC& aItemString, const TDesC& aSearchText, 

                                TMatchPolicy aPolicy, MFindStringConverter* aConverter) = 0;

	};

/**

* CFindUtil instance gives access to MFindUtil interface.

*/

NONSHARABLE_CLASS(CFindUtil) : public CBase

    {

    public: // Constructors and destructor

        /**

        * Creates a new CFindUtil instance.

        * In those language variants, where FindUtil is not used,

        * this method returns NULL.

        */

        IMPORT_C static CFindUtil* NewL();

        IMPORT_C ~CFindUtil();

    public: // New functions

        MFindUtil* Interface() {return iInterface;}

    private: // Private constructors

        CFindUtil();

        void ConstructL();

    private: // Data

        MFindUtil* iInterface;

        RLibrary iLib;

    };

#endif