1*40df464eSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*40df464eSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
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7*40df464eSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*40df464eSAndrew Rist * "License"); you may not use this file except in compliance
9*40df464eSAndrew Rist * with the License. You may obtain a copy of the License at
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11*40df464eSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
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20*40df464eSAndrew Rist *************************************************************/
21*40df464eSAndrew Rist
22*40df464eSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_svl.hxx"
26cdf0e10cSrcweir // INCLUDE ---------------------------------------------------------------
27cdf0e10cSrcweir
28cdf0e10cSrcweir #include <svl/whiter.hxx>
29cdf0e10cSrcweir #include <svl/itemset.hxx>
30cdf0e10cSrcweir
DBG_NAME(SfxWhichIter)31cdf0e10cSrcweir DBG_NAME(SfxWhichIter)
32cdf0e10cSrcweir
33cdf0e10cSrcweir // -----------------------------------------------------------------------
34cdf0e10cSrcweir
35cdf0e10cSrcweir SfxWhichIter::SfxWhichIter( const SfxItemSet& rSet, sal_uInt16 nFromWh, sal_uInt16 nToWh ):
36cdf0e10cSrcweir pRanges(rSet.GetRanges()),
37cdf0e10cSrcweir pStart(rSet.GetRanges()),
38cdf0e10cSrcweir nOfst(0), nFrom(nFromWh), nTo(nToWh)
39cdf0e10cSrcweir {
40cdf0e10cSrcweir DBG_CTOR(SfxWhichIter, 0);
41cdf0e10cSrcweir if ( nFrom > 0 )
42cdf0e10cSrcweir FirstWhich();
43cdf0e10cSrcweir }
44cdf0e10cSrcweir
45cdf0e10cSrcweir // -----------------------------------------------------------------------
46cdf0e10cSrcweir
~SfxWhichIter()47cdf0e10cSrcweir SfxWhichIter::~SfxWhichIter()
48cdf0e10cSrcweir {
49cdf0e10cSrcweir DBG_DTOR(SfxWhichIter, 0);
50cdf0e10cSrcweir }
51cdf0e10cSrcweir
52cdf0e10cSrcweir // -----------------------------------------------------------------------
53cdf0e10cSrcweir
NextWhich()54cdf0e10cSrcweir sal_uInt16 SfxWhichIter::NextWhich()
55cdf0e10cSrcweir {
56cdf0e10cSrcweir DBG_CHKTHIS(SfxWhichIter, 0);
57cdf0e10cSrcweir while ( 0 != *pRanges )
58cdf0e10cSrcweir {
59cdf0e10cSrcweir const sal_uInt16 nLastWhich = *pRanges + nOfst;
60cdf0e10cSrcweir ++nOfst;
61cdf0e10cSrcweir if (*(pRanges+1) == nLastWhich)
62cdf0e10cSrcweir {
63cdf0e10cSrcweir pRanges += 2;
64cdf0e10cSrcweir nOfst = 0;
65cdf0e10cSrcweir }
66cdf0e10cSrcweir sal_uInt16 nWhich = *pRanges + nOfst;
67cdf0e10cSrcweir if ( 0 == nWhich || ( nWhich >= nFrom && nWhich <= nTo ) )
68cdf0e10cSrcweir return nWhich;
69cdf0e10cSrcweir }
70cdf0e10cSrcweir return 0;
71cdf0e10cSrcweir }
72cdf0e10cSrcweir
73cdf0e10cSrcweir // -----------------------------------------------------------------------
74cdf0e10cSrcweir
PrevWhich()75cdf0e10cSrcweir sal_uInt16 SfxWhichIter::PrevWhich()
76cdf0e10cSrcweir {
77cdf0e10cSrcweir DBG_CHKTHIS(SfxWhichIter, 0);
78cdf0e10cSrcweir while ( pRanges != pStart || 0 != nOfst )
79cdf0e10cSrcweir {
80cdf0e10cSrcweir if(nOfst)
81cdf0e10cSrcweir --nOfst;
82cdf0e10cSrcweir else {
83cdf0e10cSrcweir pRanges -= 2;
84cdf0e10cSrcweir nOfst = *(pRanges+1) - (*pRanges);
85cdf0e10cSrcweir }
86cdf0e10cSrcweir sal_uInt16 nWhich = *pRanges + nOfst;
87cdf0e10cSrcweir if ( nWhich >= nFrom && nWhich <= nTo )
88cdf0e10cSrcweir return nWhich;
89cdf0e10cSrcweir }
90cdf0e10cSrcweir return 0;
91cdf0e10cSrcweir }
92cdf0e10cSrcweir
93cdf0e10cSrcweir // -----------------------------------------------------------------------
94cdf0e10cSrcweir
FirstWhich()95cdf0e10cSrcweir sal_uInt16 SfxWhichIter::FirstWhich()
96cdf0e10cSrcweir {
97cdf0e10cSrcweir DBG_CHKTHIS(SfxWhichIter, 0);
98cdf0e10cSrcweir pRanges = pStart;
99cdf0e10cSrcweir nOfst = 0;
100cdf0e10cSrcweir if ( *pRanges >= nFrom && *pRanges <= nTo )
101cdf0e10cSrcweir return *pRanges;
102cdf0e10cSrcweir return NextWhich();
103cdf0e10cSrcweir }
104cdf0e10cSrcweir
105cdf0e10cSrcweir // -----------------------------------------------------------------------
106cdf0e10cSrcweir
LastWhich()107cdf0e10cSrcweir sal_uInt16 SfxWhichIter::LastWhich()
108cdf0e10cSrcweir {
109cdf0e10cSrcweir DBG_CHKTHIS(SfxWhichIter, 0);
110cdf0e10cSrcweir while(*pRanges)
111cdf0e10cSrcweir ++pRanges;
112cdf0e10cSrcweir nOfst = 0;
113cdf0e10cSrcweir sal_uInt16 nWhich = *(pRanges-1);
114cdf0e10cSrcweir if ( nWhich >= nFrom && nWhich <= nTo )
115cdf0e10cSrcweir return nWhich;
116cdf0e10cSrcweir return PrevWhich();
117cdf0e10cSrcweir }
118cdf0e10cSrcweir
119