/*

* Copyright (c) 2002 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:  Document structure validator.

*

*/

#ifndef CWPVALIDATOR_H

#define CWPVALIDATOR_H

// INCLUDES

#include <e32base.h>

#include <s32std.h>

#include "MWPVisitor.h"

// FORWARD DECLARATIONS

class MWPElement;

struct TMapping;

// CLASS DECLARATION

/**

*  CWPValidator is document structure validator.

*

*  @lib ProvisioningEngine

*  @since 2.0

 */ 

class CWPValidator : public CBase, public MWPVisitor

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CWPValidator* NewL();

        /**

        * Two-phased constructor.

        */

        static CWPValidator* NewLC();

        /**

        * Destructor.

        */

        ~CWPValidator();

    public: // From MWPVisitor

        void VisitL(CWPCharacteristic& aCharacteristic);

        void VisitL(CWPParameter& aParameter);

        void VisitLinkL(CWPCharacteristic& aCharacteristic );

    private:

        /**

        * Checks if the current element can contain an element

        * of type aTo and retrieves the new validating table.

        * @param aTo The element to check

        */

        void MapToL( MWPElement& aTo );

        TBool Rangecheck(const TInt toType);

    private:

        /**

        * C++ default constructor.

        */

        CWPValidator();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:

        /// Currently possible mappings

        const TMapping* iCurrentMapping;

        /// Currently handled element

        const MWPElement* iCurrentElement;

        TBool iFlag;	

    };

#endif /* CWPENGINE_H */