// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 // which accompanies this distribution, and is available

 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // Plugin interface

 // 

 //

 #ifndef __WBXMLEXTENSIONHANDLER_H__

 #define __WBXMLEXTENSIONHANDLER_H__

 #include <e32std.h>

 class RString;

 namespace Xml

 {

 class MWbxmlExtensionHandler

 /**

 The Wbxml api extension class.

 Inherited by classes wishing to cater for this interface, e.g. WbxmlParser.

 @publishedAll

 @released

 */

 	{

 public:

 /**

 The uid identifying this extension interface.

 */

 	enum TExtInterfaceUid {EExtInterfaceUid = 0x101FE212};

 /**

 This method is a receive notification of an extension instruction.

 The type of extension is specified in aToken and is based on the global tokens

 specified in WBXML documents.

 @see http://www.w3.org/TR/wbxml/

 @param				aData is the extension data.

 @param				aToken is the global unambiguous token value.

 @param				aErrorCode is the error code.

 					If this is not KErrNone then special action may be required.

 */

 	virtual void OnExtensionL(const RString& aData, TInt aToken, TInt aErrorCode) = 0;

 	};

 }

 #endif //__WBXMLEXTENSIONHANDLER_H__