/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: XMarkableStream.idl,v $
 *
 *  $Revision: 1.12 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-09 15:32:36 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#ifndef __com_sun_star_io_XMarkableStream_idl__
#define __com_sun_star_io_XMarkableStream_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_io_IOException_idl__
#include <com/sun/star/io/IOException.idl>
#endif

#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif


//=============================================================================

module com {  module sun {  module star {  module io {

//=============================================================================

// DocMerge from xml: interface com::sun::star::io::XMarkableStream
/** makes it possible to set and remove seekable marks to a stream.
 */
published interface XMarkableStream: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XMarkableStream::createMark
    /** creates a mark of the current postion and returns an identifier to it.
     */
    long createMark()
            raises( com::sun::star::io::IOException );

    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XMarkableStream::deleteMark
    /** deletes the mark that you previously created with
        <member>XMarkableStream::createMark</member>.

        <p>It is an error to delete a mark if other marks after this
        exist.  In this case, for reasons of robustness, the
        implementation must delete this mark and all others after
        this mark.  </p>
     */
    void deleteMark( [in] long Mark )
            raises( com::sun::star::io::IOException,
                    com::sun::star::lang::IllegalArgumentException );

    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XMarkableStream::jumpToMark
    /** jumps to a previously created mark.
     */
    void jumpToMark( [in] long nMark )
            raises( com::sun::star::io::IOException,
                    com::sun::star::lang::IllegalArgumentException );

    //-------------------------------------------------------------------------

    /** jumps to the furthest position of the stream.
        <p> In the inputstream case, a subsequent read call returns
        data, that was never read or skipped over before. In the
        outputstream case, a subsequent write call will add
        new data at the end of the stream without overwriting existing data.
     */
    void jumpToFurthest()
            raises( com::sun::star::io::IOException );

    //-------------------------------------------------------------------------

    // DocMerge from idl: method com::sun::star::io::XMarkableStream::offsetToMark
    /** @returns
            the offset from the current stream position to the
            mark ("current position" - "mark position").

        @param nMark
            identifies the mark which is used as a base
            to calculate the offset of the current position.

        @throws IllegalArgumentException
            if the mark does not exist or is deleted.

        @throws IOException
            if an I/O error has occurred.
     */
    long offsetToMark( [in] long nMark )
            raises( com::sun::star::io::IOException,
                    com::sun::star::lang::IllegalArgumentException );

};

//=============================================================================

}; }; }; };

/*=============================================================================

=============================================================================*/
#endif
