/*

* Copyright (c) 2007-2010 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:

* Declaration of CBoolExpr, CLogicalNot, CLogicalAnd and

* CLogicalOr classes.

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __CNDLOGICAL_H__

#define __CNDLOGICAL_H__

#include "conditionevaluatebase.h"

NONSHARABLE_CLASS(CLogicalNot) : public CConditionEvaluateBase

    {

public:

	CLogicalNot(CConditionEvaluateBase* aExpr);

    virtual ~CLogicalNot();

    virtual TBool EvaluateL() const;

private:

	CConditionEvaluateBase* iExpr;

    };

NONSHARABLE_CLASS(CLogicalAnd) : public CConditionEvaluateBase

    {

public:

    CLogicalAnd(CConditionEvaluateBase* aLhs, CConditionEvaluateBase* aRhs);

    virtual ~CLogicalAnd();

    virtual TBool EvaluateL() const;

private:

    //The left-hand-side of the logical AND expression. Not NULL. Owned.

	CConditionEvaluateBase* iLhs;

	//The right-hand-side of the logical AND expression. Not NULL. Owned.

	CConditionEvaluateBase* iRhs;

    };

NONSHARABLE_CLASS(CLogicalOr) : public CConditionEvaluateBase

    {

public:

    CLogicalOr(CConditionEvaluateBase* aLhs, CConditionEvaluateBase* aRhs);

    virtual ~CLogicalOr();

    virtual TBool EvaluateL() const;

private:

	//The left-hand-side of the logical OR expression. Not NULL. Owned.

	CConditionEvaluateBase* iLhs;

	//The right-hand-side of the logical OR expression. Not NULL. Owned.

	CConditionEvaluateBase* iRhs;

    };

#endif // __CNDLOGICAL_H__