sw/source/core/bastyp/ring.cxx

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   9  * $RCSfile: ring.cxx,v $
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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sw.hxx"
  33
  34
  35
  36 #include "ring.hxx"
  37
  38
  39 /*************************************************************************
  40 |*
  41 |*    Ring::Ring()
  42 |*
  43 |*    Ersterstellung    VB      02.07.91
  44 |*    Letzte Aenderung  JP 10.10.97
  45 |*
  46 *************************************************************************/
  47
  48 Ring::Ring( Ring *pObj )
  49 {
  50     if( !pObj )
  51         pNext = this, pPrev = this;
  52     else
  53     {
  54         pNext = pObj;
  55         pPrev = pObj->pPrev;
  56         pObj->pPrev = this;
  57         pPrev->pNext = this;
  58     }
  59 }
  60
  61 /*************************************************************************
  62 |*
  63 |*    Ring::~Ring()
  64 |*
  65 |*    Ersterstellung    VB      02.07.91
  66 |*    Letzte Aenderung  JP 10.10.97
  67 |*
  68 *************************************************************************/
  69
  70 Ring::~Ring()
  71 {
  72     pNext->pPrev = pPrev;
  73     pPrev->pNext = pNext;
  74 }
  75
  76 /*************************************************************************
  77 |*
  78 |*    Ring::MoveTo
  79 |*
  80 |*    Ersterstellung    VB 4.3.91
  81 |*    Letzte Aenderung  JP 10.10.97
  82 |*
  83 *************************************************************************/
  84
  85 void Ring::MoveTo(Ring *pDestRing)
  86 {
  87     // loeschen aus dem alten
  88     pNext->pPrev = pPrev;
  89     pPrev->pNext = pNext;
  90
  91     // im neuen einfuegen
  92     if( pDestRing )
  93     {
  94         pNext = pDestRing;
  95         pPrev = pDestRing->pPrev;
  96         pDestRing->pPrev = this;
  97         pPrev->pNext = this;
  98     }
  99     else
 100         pNext = pPrev = this;
 101
 102 }
 103
 104 void Ring::MoveRingTo(Ring *pDestRing)
 105 {
 106     // den gesamten Ring in den DestRing einfuegen
 107     Ring* pMyPrev = pPrev;
 108     Ring* pDestPrev = pDestRing->pPrev;
 109
 110     pMyPrev->pNext = pDestRing;
 111     pDestPrev->pNext = this;
 112     pDestRing->pPrev = pMyPrev;
 113     pPrev = pDestPrev;
 114 }
 115
 116 sal_uInt32 Ring::numberOf() const
 117 {
 118     sal_uInt32 nRet = 1;
 119     const Ring* pNxt = pNext;
 120     while( pNxt != this )
 121     {
 122         ++nRet;
 123         pNxt = pNxt->GetNext();
 124     }
 125     return nRet;
 126 }
 127
 128