/*

 * Copyright (c) 2004-2005 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:       Interface class describing class that may be used as

 *                 output stream for dom tree

 *

 */

 #ifndef XMLENGINE_MOUTPUTSTREAM_H_INCLUDED

 #define XMLENGINE_MOUTPUTSTREAM_H_INCLUDED

 #include <e32base.h>

 /**

  * MXmlEngOutputStream is used by XML Engine to write serialized XML data

  * to stream. This interface should be implemented by client application

  * when RXmlEngDocument::SaveL() method is used to serialize xml data to stream.

  *

  * @lib XmlEngineDOM.lib

  * @since S60 v3.1

  */

 class MXmlEngOutputStream

     {

 public:

     /**

      * Callback for writing a buffer with data to output stream

      *

      * @since S60 v3.1

      * @return number of bytes written or -1 in case of error

      */

     virtual TInt Write(const TDesC8& aBuffer) = 0;

     /**

      * Callback for closing output stream

      *

      * @since S60 v3.1

      * @return 

      *       0 is succeeded, 

      *      -1 in case of error

      */

     virtual TInt Close() = 0;

     };

 #endif /* XMLENGINE_MOUTPUTSTREAM_H_INCLUDED */