| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svl.hxx" |
| // INCLUDE --------------------------------------------------------------- |
| |
| #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::PrevWhich() |
| { |
| DBG_CHKTHIS(SfxWhichIter, 0); |
| while ( pRanges != pStart || 0 != nOfst ) |
| { |
| if(nOfst) |
| --nOfst; |
| else { |
| pRanges -= 2; |
| nOfst = *(pRanges+1) - (*pRanges); |
| } |
| sal_uInt16 nWhich = *pRanges + nOfst; |
| if ( 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(); |
| } |
| |
| // ----------------------------------------------------------------------- |
| |
| sal_uInt16 SfxWhichIter::LastWhich() |
| { |
| DBG_CHKTHIS(SfxWhichIter, 0); |
| while(*pRanges) |
| ++pRanges; |
| nOfst = 0; |
| sal_uInt16 nWhich = *(pRanges-1); |
| if ( nWhich >= nFrom && nWhich <= nTo ) |
| return nWhich; |
| return PrevWhich(); |
| } |
| |