xref: /trunk/main/sw/source/core/bastyp/ring.cxx (revision efeef26f)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sw.hxx"
26 
27 
28 
29 #include "ring.hxx"
30 
31 
32 /*************************************************************************
33 |*
34 |*    Ring::Ring()
35 |*
36 |*    Ersterstellung    VB	02.07.91
37 |*    Letzte Aenderung  JP 10.10.97
38 |*
39 *************************************************************************/
40 
Ring(Ring * pObj)41 Ring::Ring( Ring *pObj )
42 {
43 	if( !pObj )
44 		pNext = this, pPrev = this;
45 	else
46 	{
47 		pNext = pObj;
48 		pPrev = pObj->pPrev;
49 		pObj->pPrev = this;
50 		pPrev->pNext = this;
51 	}
52 }
53 
54 /*************************************************************************
55 |*
56 |*    Ring::~Ring()
57 |*
58 |*    Ersterstellung    VB	02.07.91
59 |*    Letzte Aenderung  JP 10.10.97
60 |*
61 *************************************************************************/
62 
~Ring()63 Ring::~Ring()
64 {
65 	pNext->pPrev = pPrev;
66 	pPrev->pNext = pNext;
67 }
68 
69 /*************************************************************************
70 |*
71 |*    Ring::MoveTo
72 |*
73 |*    Ersterstellung    VB 4.3.91
74 |*    Letzte Aenderung  JP 10.10.97
75 |*
76 *************************************************************************/
77 
MoveTo(Ring * pDestRing)78 void Ring::MoveTo(Ring *pDestRing)
79 {
80 	// loeschen aus dem alten
81 	pNext->pPrev = pPrev;
82 	pPrev->pNext = pNext;
83 
84 	// im neuen einfuegen
85 	if( pDestRing )
86 	{
87 		pNext = pDestRing;
88 		pPrev = pDestRing->pPrev;
89 		pDestRing->pPrev = this;
90 		pPrev->pNext = this;
91 	}
92 	else
93 		pNext = pPrev = this;
94 
95 }
96 
MoveRingTo(Ring * pDestRing)97 void Ring::MoveRingTo(Ring *pDestRing)
98 {
99 	// den gesamten Ring in den DestRing einfuegen
100 	Ring* pMyPrev = pPrev;
101 	Ring* pDestPrev = pDestRing->pPrev;
102 
103 	pMyPrev->pNext = pDestRing;
104 	pDestPrev->pNext = this;
105 	pDestRing->pPrev = pMyPrev;
106 	pPrev = pDestPrev;
107 }
108 
numberOf() const109 sal_uInt32 Ring::numberOf() const
110 {
111     sal_uInt32 nRet = 1;
112     const Ring* pNxt = pNext;
113     while( pNxt != this )
114     {
115         ++nRet;
116         pNxt = pNxt->GetNext();
117     }
118     return nRet;
119 }
120 
121 
122