office-gobmx/svl/source/items/whiter.cxx
2011-11-27 13:24:11 -06:00

87 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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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).
*
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************************************************************************/
#include <svl/whiter.hxx>
#include <svl/itemset.hxx>
DBG_NAME(SfxWhichIter)
// -----------------------------------------------------------------------
SfxWhichIter::SfxWhichIter( const SfxItemSet& rSet, sal_uInt16 nFromWh, sal_uInt16 nToWh ):
pRanges(rSet.GetRanges()),
pStart(rSet.GetRanges()),
nOfst(0), nFrom(nFromWh), nTo(nToWh)
{
DBG_CTOR(SfxWhichIter, 0);
if ( nFrom > 0 )
FirstWhich();
}
// -----------------------------------------------------------------------
SfxWhichIter::~SfxWhichIter()
{
DBG_DTOR(SfxWhichIter, 0);
}
// -----------------------------------------------------------------------
sal_uInt16 SfxWhichIter::NextWhich()
{
DBG_CHKTHIS(SfxWhichIter, 0);
while ( 0 != *pRanges )
{
const sal_uInt16 nLastWhich = *pRanges + nOfst;
++nOfst;
if (*(pRanges+1) == nLastWhich)
{
pRanges += 2;
nOfst = 0;
}
sal_uInt16 nWhich = *pRanges + nOfst;
if ( 0 == nWhich || ( nWhich >= nFrom && nWhich <= nTo ) )
return nWhich;
}
return 0;
}
// -----------------------------------------------------------------------
sal_uInt16 SfxWhichIter::FirstWhich()
{
DBG_CHKTHIS(SfxWhichIter, 0);
pRanges = pStart;
nOfst = 0;
if ( *pRanges >= nFrom && *pRanges <= nTo )
return *pRanges;
return NextWhich();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */