// 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

// output stream for dom tree

//

/**

 @file

 @internalComponent

 @released

*/

#ifndef XMLENGTFILEOUTPUTSTREAM_H

#define XMLENGTFILEOUTPUTSTREAM_H

#include <f32file.h>

#include <xml/dom/xmlengoutputstream.h>

/**

 * TXmlEngFileOutputStream is used by XML Engine to serialize XML data from file.

 *

 */

class TXmlEngFileOutputStream : public MXmlEngOutputStream

	{

public:

    /**

     * Default constructor

     *

     * @param aFile Instance of class RFile

     * @param aRFs File server handle   

     */

    TXmlEngFileOutputStream(RFile& aFile,RFs& aRFs);

    /**

     * Callback for writing a buffer with data to output stream

     *

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

     */	

    TInt Write(const TDesC8 &aBuffer);

    /**

     * Callback for closing output stream

     *

     * @return 

     *       0 is succeeded, 

     *      -1 in case of error

     */		

    TInt Close();

    /**

     * Checks error flag

     *

     * @return error code

     */				

    TInt CheckError();

private:

    void WriteL(const TDesC8 &aBuffer);

private:

    /** 

     *Instance of class RFile 

     */

    RFile iFile;

    /**

     * File server handle   

     */

    RFs iRFs;

    /** Error flag **/

    TInt iError;

    /** Drive No. **/

    TInt iDrive;

}; 

#endif /* XMLENGTFILEOUTPUTSTREAM_H */