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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 *
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 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
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 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svl.hxx"

#ifndef GCC
#endif

#include <svl/itemiter.hxx>
#include <svl/itempool.hxx>
#include <svl/itemset.hxx>

// STATIC DATA -----------------------------------------------------------

DBG_NAME(SfxItemIter);


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


SfxItemIter::SfxItemIter( const SfxItemSet& rItemSet )
    : _rSet( rItemSet )
{
    DBG_CTOR(SfxItemIter, 0);
    DBG_ASSERTWARNING( _rSet.Count(), "es gibt gar keine Attribute" );

    if ( !_rSet._nCount )
    {
        _nStt = 1;
        _nEnd = 0;
    }
    else
    {
        SfxItemArray ppFnd = _rSet._aItems;

        // suche das 1. gesetzte Item
        for ( _nStt = 0; !*(ppFnd + _nStt ); ++_nStt )
            ; // empty loop
        if ( 1 < _rSet.Count() )
            for( _nEnd = _rSet.TotalCount(); !*( ppFnd + --_nEnd);  )
                ; // empty loop
        else
            _nEnd = _nStt;
    }

    _nAkt = _nStt;
}

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


SfxItemIter::~SfxItemIter()
{
    DBG_DTOR(SfxItemIter, 0);
}

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


const SfxPoolItem* SfxItemIter::NextItem()
{
    DBG_CHKTHIS(SfxItemIter, 0);
    SfxItemArray ppFnd = _rSet._aItems;

    if( _nAkt < _nEnd )
    {
        do {
            _nAkt++;
        } while( _nAkt < _nEnd && !*(ppFnd + _nAkt ) );
        return *(ppFnd+_nAkt);
    }
    return 0;
}

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


const SfxPoolItem* SfxItemIter::PrevItem()
{
    DBG_CHKTHIS(SfxItemIter, 0);
    SfxItemArray ppFnd = _rSet._aItems;

    if ( _nAkt > _nStt )
    {
        do {
            --_nAkt;
        } while( _nAkt && !*(ppFnd + _nAkt ));
        return *(ppFnd+_nAkt);
    }
    return 0;
}