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Diffstat (limited to 'svtools/source/items1/whiter.cxx')
-rw-r--r-- | svtools/source/items1/whiter.cxx | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/svtools/source/items1/whiter.cxx b/svtools/source/items1/whiter.cxx new file mode 100644 index 000000000000..461daf7ac012 --- /dev/null +++ b/svtools/source/items1/whiter.cxx @@ -0,0 +1,127 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: whiter.cxx,v $ + * $Revision: 1.7 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 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> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svtools.hxx" +// INCLUDE --------------------------------------------------------------- +#ifndef GCC +#endif + +#include "whiter.hxx" +#include <svtools/itemset.hxx> + +DBG_NAME(SfxWhichIter) + +// ----------------------------------------------------------------------- + +SfxWhichIter::SfxWhichIter( const SfxItemSet& rSet, USHORT nFromWh, USHORT 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); +} + +// ----------------------------------------------------------------------- + +USHORT SfxWhichIter::NextWhich() +{ + DBG_CHKTHIS(SfxWhichIter, 0); + while ( 0 != *pRanges ) + { + const USHORT nLastWhich = *pRanges + nOfst; + ++nOfst; + if (*(pRanges+1) == nLastWhich) + { + pRanges += 2; + nOfst = 0; + } + USHORT nWhich = *pRanges + nOfst; + if ( 0 == nWhich || ( nWhich >= nFrom && nWhich <= nTo ) ) + return nWhich; + } + return 0; +} + +// ----------------------------------------------------------------------- + +USHORT SfxWhichIter::PrevWhich() +{ + DBG_CHKTHIS(SfxWhichIter, 0); + while ( pRanges != pStart || 0 != nOfst ) + { + if(nOfst) + --nOfst; + else { + pRanges -= 2; + nOfst = *(pRanges+1) - (*pRanges); + } + USHORT nWhich = *pRanges + nOfst; + if ( nWhich >= nFrom && nWhich <= nTo ) + return nWhich; + } + return 0; +} + +// ----------------------------------------------------------------------- + +USHORT SfxWhichIter::FirstWhich() +{ + DBG_CHKTHIS(SfxWhichIter, 0); + pRanges = pStart; + nOfst = 0; + if ( *pRanges >= nFrom && *pRanges <= nTo ) + return *pRanges; + return NextWhich(); +} + +// ----------------------------------------------------------------------- + +USHORT SfxWhichIter::LastWhich() +{ + DBG_CHKTHIS(SfxWhichIter, 0); + while(*pRanges) + ++pRanges; + nOfst = 0; + USHORT nWhich = *(pRanges-1); + if ( nWhich >= nFrom && nWhich <= nTo ) + return nWhich; + return PrevWhich(); +} + |