| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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; |
| sal_uInt16 m_nCurNode; |
| |
| protected: |
| sal_uIntPtr Find(sal_Bool bFirst); |
| sal_uIntPtr GetCompare(sal_Bool bFirst); |
| sal_uIntPtr GetLike(sal_Bool bFirst); |
| sal_uIntPtr GetNull(sal_Bool bFirst); |
| sal_uIntPtr GetNotNull(sal_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(); |
| sal_uIntPtr First(); |
| sal_uIntPtr Next(); |
| |
| }; |
| } |
| } |
| #endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_ |
| |
