connectivity/source/inc/file/fcomp.hxx

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  28 #ifndef _CONNECTIVITY_FILE_FCOMP_HXX_
  29 #define _CONNECTIVITY_FILE_FCOMP_HXX_
  30
  31 #include "file/fcode.hxx"
  32 #include "file/filedllapi.hxx"
  33 #ifndef _LIST_
  34 #include <list>
  35 #endif
  36
  37 namespace connectivity
  38 {
  39     class OSQLParseNode;
  40     namespace file
  41     {
  42         class OCode;
  43         class OOperand;
  44         class OSQLAnalyzer;
  45         typedef::std::vector<OCode*> OCodeList;
  46
  47         class OPredicateCompiler : public ::salhelper::SimpleReferenceObject
  48         {
  49             friend class OPredicateInterpreter;
  50             friend class OSQLAnalyzer;
  51
  52             OCodeList                               m_aCodeList;
  53             OFileColumns                            m_orgColumns; // in filecurs this are the filecolumns
  54             OSQLAnalyzer*                           m_pAnalyzer;
  55             ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess> m_xIndexes;
  56             sal_Int32                               m_nParamCounter;
  57             sal_Bool                                m_bORCondition;
  58         public:
  59             OPredicateCompiler(OSQLAnalyzer* pAnalyzer);
  60
  61             virtual ~OPredicateCompiler();
  62
  63             inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW(())
  64                 { return ::rtl_allocateMemory( nSize ); }
  65             inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW(())
  66                 { return _pHint; }
  67             inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW(())
  68                 { ::rtl_freeMemory( pMem ); }
  69             inline static void SAL_CALL operator delete( void * /*pMem*/,void* /*_pHint*/ ) SAL_THROW(())
  70                 {  }
  71             void dispose();
  72
  73             void start(connectivity::OSQLParseNode* pSQLParseNode);
  74             OOperand* execute(connectivity::OSQLParseNode* pPredicateNode);
  75
  76             void Clean();
  77             sal_Bool isClean() const {return m_aCodeList.empty();}
  78             sal_Bool hasCode() const {return !isClean();}
  79             sal_Bool hasORCondition() const {return m_bORCondition;}
  80             void     setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; }
  81             const OFileColumns getOrigColumns() const { return m_orgColumns; }
  82         protected:
  83             OOperand* execute_COMPARE(connectivity::OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  84             OOperand* execute_LIKE(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  85             OOperand* execute_BETWEEN(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  86             OOperand* execute_ISNULL(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  87             OOperand* execute_Operand(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  88             OOperand* execute_Fold(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  89             OOperand* executeFunction(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  90         };
  91
  92
  93         class OPredicateInterpreter :
  94             public ::salhelper::SimpleReferenceObject
  95         {
  96             OCodeStack          m_aStack;
  97             ::rtl::Reference<OPredicateCompiler> m_rCompiler;
  98
  99         public:
 100             OPredicateInterpreter(const ::rtl::Reference<OPredicateCompiler>& rComp) : m_rCompiler(rComp){}
 101             virtual ~OPredicateInterpreter();
 102
 103             sal_Bool    evaluate(OCodeList& rCodeList);
 104             void        evaluateSelection(OCodeList& rCodeList,ORowSetValueDecoratorRef& _rVal);
 105
 106             inline sal_Bool start()
 107             {
 108                 return evaluate(m_rCompiler->m_aCodeList);
 109             }
 110
 111             inline void startSelection(ORowSetValueDecoratorRef& _rVal)
 112             {
 113                 evaluateSelection(m_rCompiler->m_aCodeList,_rVal);
 114             }
 115
 116
 117         };
 118     }
 119 }
 120 #endif // _CONNECTIVITY_FILE_FCOMP_HXX_
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */