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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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_sw.hxx"
+
+
+
+#include "ring.hxx"
+
+
+/*************************************************************************
+|*
+|* Ring::Ring()
+|*
+|* Ersterstellung VB 02.07.91
+|* Letzte Aenderung JP 10.10.97
+|*
+*************************************************************************/
+
+Ring::Ring( Ring *pObj )
+{
+ if( !pObj )
+ pNext = this, pPrev = this;
+ else
+ {
+ pNext = pObj;
+ pPrev = pObj->pPrev;
+ pObj->pPrev = this;
+ pPrev->pNext = this;
+ }
+}
+
+/*************************************************************************
+|*
+|* Ring::~Ring()
+|*
+|* Ersterstellung VB 02.07.91
+|* Letzte Aenderung JP 10.10.97
+|*
+*************************************************************************/
+
+Ring::~Ring()
+{
+ pNext->pPrev = pPrev;
+ pPrev->pNext = pNext;
+}
+
+/*************************************************************************
+|*
+|* Ring::MoveTo
+|*
+|* Ersterstellung VB 4.3.91
+|* Letzte Aenderung JP 10.10.97
+|*
+*************************************************************************/
+
+void Ring::MoveTo(Ring *pDestRing)
+{
+ // loeschen aus dem alten
+ pNext->pPrev = pPrev;
+ pPrev->pNext = pNext;
+
+ // im neuen einfuegen
+ if( pDestRing )
+ {
+ pNext = pDestRing;
+ pPrev = pDestRing->pPrev;
+ pDestRing->pPrev = this;
+ pPrev->pNext = this;
+ }
+ else
+ pNext = pPrev = this;
+
+}
+
+void Ring::MoveRingTo(Ring *pDestRing)
+{
+ // den gesamten Ring in den DestRing einfuegen
+ Ring* pMyPrev = pPrev;
+ Ring* pDestPrev = pDestRing->pPrev;
+
+ pMyPrev->pNext = pDestRing;
+ pDestPrev->pNext = this;
+ pDestRing->pPrev = pMyPrev;
+ pPrev = pDestPrev;
+}
+
+sal_uInt32 Ring::numberOf() const
+{
+ sal_uInt32 nRet = 1;
+ const Ring* pNxt = pNext;
+ while( pNxt != this )
+ {
+ ++nRet;
+ pNxt = pNxt->GetNext();
+ }
+ return nRet;
+}
+
+