summaryrefslogtreecommitdiff
path: root/connectivity/source/inc/dbase/DIndexIter.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'connectivity/source/inc/dbase/DIndexIter.hxx')
-rw-r--r--connectivity/source/inc/dbase/DIndexIter.hxx85
1 files changed, 85 insertions, 0 deletions
diff --git a/connectivity/source/inc/dbase/DIndexIter.hxx b/connectivity/source/inc/dbase/DIndexIter.hxx
new file mode 100644
index 000000000000..99ed3f37af91
--- /dev/null
+++ b/connectivity/source/inc/dbase/DIndexIter.hxx
@@ -0,0 +1,85 @@
+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_
+#define _CONNECTIVITY_DBASE_INDEXITER_HXX_
+
+#include "file/fcode.hxx"
+#include "dbase/DIndex.hxx"
+#include "dbase/dindexnode.hxx"
+
+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_
+