/** @file

* Copyright (c) 2007 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:  Declares the CUpnpDeviceTagContentHandler class

*

*/

#ifndef __UPNPDEVICETAGCONTENTHANDLER_H__

#define __UPNPDEVICETAGCONTENTHANDLER_H__

#include <babitflags.h>

#include "upnpcontenthandler.h"

class CUpnpDevice;

using namespace Xml;

/**

*  This class handles device subtree of xml device descriptions

*  It extends CUpnpContentHandler class, thus it is subsequent implementation of MContentHandler interface

*  It is designed to be used by upnp controler that delegates to it events from xml sax parser   

*

*  @since Series60 2.6

*/

NONSHARABLE_CLASS( CUpnpDeviceTagContentHandler ) : public CUpnpContentHandler

{

protected: 

    enum TState

        { 

        EInitial,

        EDeviceType, 

        EDeviceProperty,

        EUDN

        };      

public:

    /**

    * Two-phased constructor

    * @since Series60 3.2 

    * @return instance of CUpnpDeviceTagContentHandler class

    */	

    static CUpnpDeviceTagContentHandler* NewL(

            CUpnpContentHandlersController& aController,

            CUpnpDevice& aResultDevice, TParseType aParseType );

    /**

    * Two-phased constructor. Leaves the object on CleanupStack

    * @since Series60 3.2 

    * @return instance of CUpnpDeviceTagContentHandler class

    */	

    static CUpnpDeviceTagContentHandler* NewLC( 

            CUpnpContentHandlersController& aController,

            CUpnpDevice& aResultDevice, TParseType aParseType );

    /**

    * Destructor of CUpnpDeviceTagContentHandler class

    * @since Series60 3.2     

    */	

    virtual ~CUpnpDeviceTagContentHandler();

public:	// from CUpnpContentHandler

    /**

    * This method is a callback to indicate an element has been parsed.

    * @param				aElement is a handle to the element's details.

    * @param				aAttributes contains the attributes for the element.

    */

    virtual void OnStartElementL( const RTagInfo& aElement, 

    							  const RAttributeArray& aAttributes );

    /**

    * This method is a callback to indicate the end of the element has been reached.

    * @param              aElement is a handle to the element's details.

    */

    virtual void OnEndElementL( const RTagInfo& aElement );

    /**

    * This method is a callback that sends the content of the element.

    * @param              aBytes is the raw content data for the element in one chunk

    */

     virtual void OnContentL( const TDesC8& aBytes );    

     virtual TBool InterestedInAllNamespaces();

protected:

    /**

    * Default C++ constructor 

    * @since Series60 3.2     

    */	

	CUpnpDeviceTagContentHandler( CUpnpContentHandlersController& aController, 

	        CUpnpDevice& aResultStateVariable, TParseType aParseType );

	/**

    * Helper function that do necessary operation when device property is found

    *

    * @param aFlagPosition  position of tag in iFoungTags

    * @param.aPropertyName  name of property to process

    **/

    void ProcessDevicePropertyL( TInt aFlagPosition, const TDesC8& aPropertyName );

private:

    CUpnpDevice& iResultDevice;

    TState iCurrentState;

    TBitFlags16 iFoundTags;

    TPtrC8 iCurrentDevicePropertyName;

    TParseType iParseType;

    HBufC8* iNameWithPrefix;

};

#endif //__UPNPDEVICETAGCONTENTHANDLER_H__