/*

* Copyright (c) 2005 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:  Implements the import functionality of RRule

*     

*

*/

#ifndef CESMRAGNPARSERRULE_H

#define CESMRAGNPARSERRULE_H

// System includes.

#include <e32base.h>

//User includes

#include "mesmragnimputil.h"

// Forward class declarations.

class TCalRRule;

class CESMRICalRuleSegment;

class CESMRAgnParseRRule : public CBase

    {

    public:

        virtual ~CESMRAgnParseRRule();

    protected://Constructor

        CESMRAgnParseRRule( MESMRAgnImpUtil& aAgnImpUtil );

    public:

        //template method calls the real parser

        TBool ParseL( TCalRRule& aRule,

        			  RPointerArray<CESMRICalRuleSegment>& aRecRules,

        			  const TCalTime& aStartTime,

        			  const TDesC8& aUid,

        			  const RPointerArray<CESMRICalValue>& aRulevalues );

    protected://parsing functions

        virtual TBool DoParseL( CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

        virtual TBool FinalizeParsingL( TCalRRule& aRule, const TCalTime& aStartTime );

    protected://update TCalRRule

        virtual TBool SetRRuleUntilL( const CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

        virtual TBool SetRRuleWkStL( const CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

        virtual TBool SetRRuleByDayL( const CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

        virtual TBool SetRRuleByMonthL( const CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

        virtual TBool SetRRuleByMonthDayL( const CESMRICalRuleSegment& aSegment, TCalRRule& aRule );

    protected:

        enum TSegFlags

		    {

    		ESegFlagByDay		= 1 << CESMRICalRuleSegment::ESegByDay,

    		ESegFlagByMonthDay	= 1 << CESMRICalRuleSegment::ESegByMonthDay,

    		ESegFlagByMonth		= 1 << CESMRICalRuleSegment::ESegByMonth

    		};

    protected:

        MESMRAgnImpUtil& iAgnImpUtil;

        TInt iSetSegs;

    };

#endif	// CESMRAGNPARSERRULE_H