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 #ifndef _CONNECTIVITY_FILE_FCOMP_HXX_ 24 #define _CONNECTIVITY_FILE_FCOMP_HXX_ 25 26 #include "file/fcode.hxx" 27 #include "file/filedllapi.hxx" 28 #ifndef _LIST_ 29 #include <list> 30 #endif 31 32 namespace connectivity 33 { 34 class OSQLParseNode; 35 namespace file 36 { 37 class OCode; 38 class OOperand; 39 class OSQLAnalyzer; 40 typedef::std::vector<OCode*> OCodeList; 41 42 class OPredicateCompiler : public ::vos::OReference 43 { 44 friend class OPredicateInterpreter; 45 friend class OSQLAnalyzer; 46 47 OCodeList m_aCodeList; 48 OFileColumns m_orgColumns; // in filecurs this are the filecolumns 49 OSQLAnalyzer* m_pAnalyzer; 50 ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess> m_xIndexes; 51 sal_Int32 m_nParamCounter; 52 sal_Bool m_bORCondition; 53 public: 54 OPredicateCompiler(OSQLAnalyzer* pAnalyzer); 55 56 virtual ~OPredicateCompiler(); 57 58 inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () ) 59 { return ::rtl_allocateMemory( nSize ); } 60 inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW( () ) 61 { return _pHint; } 62 inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () ) 63 { ::rtl_freeMemory( pMem ); } 64 inline static void SAL_CALL operator delete( void * /*pMem*/,void* /*_pHint*/ ) SAL_THROW( () ) 65 { } 66 void dispose(); 67 68 void start(connectivity::OSQLParseNode* pSQLParseNode); 69 OOperand* execute(connectivity::OSQLParseNode* pPredicateNode); 70 71 void Clean(); 72 sal_Bool isClean() const {return m_aCodeList.empty();} 73 sal_Bool hasCode() const {return !isClean();} 74 sal_Bool hasORCondition() const {return m_bORCondition;} 75 void setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; } 76 const OFileColumns getOrigColumns() const { return m_orgColumns; } 77 protected: 78 OOperand* execute_COMPARE(connectivity::OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 79 OOperand* execute_LIKE(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 80 OOperand* execute_BETWEEN(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 81 OOperand* execute_ISNULL(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 82 OOperand* execute_Operand(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 83 OOperand* execute_Fold(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 84 OOperand* executeFunction(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); 85 }; 86 87 88 class OPredicateInterpreter : 89 public ::vos::OReference 90 { 91 OCodeStack m_aStack; 92 ::vos::ORef<OPredicateCompiler> m_rCompiler; 93 94 public: 95 OPredicateInterpreter(const ::vos::ORef<OPredicateCompiler>& rComp) : m_rCompiler(rComp){} 96 virtual ~OPredicateInterpreter(); 97 98 sal_Bool evaluate(OCodeList& rCodeList); 99 void evaluateSelection(OCodeList& rCodeList,ORowSetValueDecoratorRef& _rVal); 100 101 inline sal_Bool start() 102 { 103 return evaluate(m_rCompiler->m_aCodeList); 104 } 105 106 inline void startSelection(ORowSetValueDecoratorRef& _rVal) 107 { 108 evaluateSelection(m_rCompiler->m_aCodeList,_rVal); 109 } 110 111 112 }; 113 } 114 } 115 #endif // _CONNECTIVITY_FILE_FCOMP_HXX_ 116 117