// Copyright (c) 2006-2009 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:

 // Interface class describing class that may be used as

 // serializer for binary data

 //

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef XMLENGMDATASERIALIZER_H

 #define XMLENGMDATASERIALIZER_H

 #include <xml/dom/xmlengnode.h>

 /**

 This interface is used to serialize binary data stored in a node, external

 memory chunk (RChunk) or file.  This interface may be implemented by client

 applications.

 @see TXmlEngSerializationOptions

 */

 class MXmlEngDataSerializer

     {

 public:

     /** 

 	Serializes the node.  The implementor of this class must allocate and own

 	the memory returned by this method until serialization is complete.

     @param aNode A node to serialize

     @return The serialized node

 	@leave - One of the system-wide error codes

     */

     virtual TPtrC8 SerializeDataL(TXmlEngNode aNode) = 0;

     };

 #endif /* XMLENGMDATASERIALIZER_H */