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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 
operator new(size_t nSize)58 			inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
59 				{ return ::rtl_allocateMemory( nSize ); }
operator new(size_t,void * _pHint)60 			inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW( () )
61 				{ return _pHint; }
operator delete(void * pMem)62 			inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
63 				{ ::rtl_freeMemory( pMem ); }
operator delete(void *,void *)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();
isClean() const72 			sal_Bool isClean() const {return m_aCodeList.empty();}
hasCode() const73 			sal_Bool hasCode() const {return !isClean();}
hasORCondition() const74 			sal_Bool hasORCondition() const {return m_bORCondition;}
setOrigColumns(const OFileColumns & rCols)75 			void	 setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; }
getOrigColumns() const76 			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:
OPredicateInterpreter(const::vos::ORef<OPredicateCompiler> & rComp)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 
start()101 			inline sal_Bool start()
102 			{
103 				return evaluate(m_rCompiler->m_aCodeList);
104 			}
105 
startSelection(ORowSetValueDecoratorRef & _rVal)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