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+/*************************************************************************
+ *
+ * $RCSfile: DIndexIter.hxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 16:14:25 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_
+#define _CONNECTIVITY_DBASE_INDEXITER_HXX_
+
+#ifndef _CONNECTIVITY_FILE_FCODE_HXX_
+#include "file/fcode.hxx"
+#endif
+#ifndef _CONNECTIVITY_DBASE_INDEX_HXX_
+#include "dbase/DIndex.hxx"
+#endif
+#ifndef _CONNECTIVITY_DBASE_INDEXNODE_HXX_
+#include "dbase/dindexnode.hxx"
+#endif
+
+namespace connectivity
+{
+ namespace dbase
+ {
+ //==================================================================
+ // IndexIterator
+ //==================================================================
+ class OIndexIterator
+ {
+ protected:
+ file::OBoolOperator* m_pOperator;
+ const file::OOperand* m_pOperand;
+ ODbaseIndex* m_pIndex;
+ ONDXPagePtr m_aRoot,
+ m_aCurLeaf;
+ USHORT m_nCurNode;
+
+ protected:
+ ULONG Find(BOOL bFirst);
+ ULONG GetCompare(BOOL bFirst);
+ ULONG GetLike(BOOL bFirst);
+ ULONG GetNull(BOOL bFirst);
+ ULONG GetNotNull(BOOL bFirst);
+
+ ONDXKey* GetFirstKey(ONDXPage* pPage,
+ const file::OOperand& rKey);
+ ONDXKey* GetNextKey();
+ ODbaseIndex* GetIndex() const {return m_pIndex;}
+
+
+ public:
+ OIndexIterator(ODbaseIndex* pInd,
+ file::OBoolOperator* pOp,
+ const file::OOperand* pOper)
+ :m_pOperator(pOp)
+ ,m_pOperand(pOper)
+ ,m_pIndex(pInd)
+ ,m_nCurNode(NODE_NOTFOUND)
+ {
+ pInd->acquire();
+ }
+
+ virtual ~OIndexIterator();
+ ULONG First();
+ ULONG Next();
+
+ };
+ }
+}
+#endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_
+