/*

* 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:  Base class for every element struct.

*

*/

#ifndef __XMLELEMENT_H__

#define __XMLELEMENT_H__

// ------------------------------------------------------------------------------------------------

// Includes

// ------------------------------------------------------------------------------------------------

#include <e32base.h>

#include "NSmlStack.h"

// ------------------------------------------------------------------------------------------------

// Class forwards

// ------------------------------------------------------------------------------------------------

class MWBXMLSyncMLCallbacks;

struct TXMLElementParams;

// ------------------------------------------------------------------------------------------------

// CXMLElement

// ------------------------------------------------------------------------------------------------

class CXMLElement : public CBase

	{

public:

	enum TAction 

		{

		ENone,

		EPop,

		EPopAndDestroy // Pop from stack, callback, delete

		};

	IMPORT_C CXMLElement();

	IMPORT_C virtual ~CXMLElement();

	IMPORT_C virtual void SetDataL( const TDesC8& aData );

	IMPORT_C virtual TPtrC8 Data() const;

	IMPORT_C virtual TBool Validate();

	IMPORT_C virtual TBool NeedsCleanup() const;

	IMPORT_C virtual CXMLElement* BeginElementL( TUint8 aTag, const TXMLElementParams& aParams );

	IMPORT_C virtual TAction EndElementL( TAny* aCallbacks, TUint8 aTag );

	};

// ------------------------------------------------------------------------------------------------

// TElementParams

// ------------------------------------------------------------------------------------------------

struct TXMLElementParams

	{

public:

	inline TXMLElementParams();

	IMPORT_C TXMLElementParams( TAny* aCallbacks, CNSmlStack<CXMLElement>* aCmdStack = 0, CNSmlStack<CXMLElement>* aCleanupStack = 0 );

	inline TAny* Callbacks() const;

	inline CNSmlStack<CXMLElement>* CmdStack() const;

	inline CNSmlStack<CXMLElement>* CleanupStack() const;

private:

	TAny* iCallbacks;

	CNSmlStack<CXMLElement>* iCmdStack;

	CNSmlStack<CXMLElement>* iCleanupStack;

	};

#include "xmlelement.inl"

#endif // __XMLELEMENT_H__