connectivity/source/inc/file/fcomp.hxx

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  30 #ifndef _CONNECTIVITY_FILE_FCOMP_HXX_
  31 #define _CONNECTIVITY_FILE_FCOMP_HXX_
  32
  33 #include "file/fcode.hxx"
  34 #include "file/filedllapi.hxx"
  35 #ifndef _LIST_
  36 #include <list>
  37 #endif
  38
  39 namespace connectivity
  40 {
  41     class OSQLParseNode;
  42     namespace file
  43     {
  44         class OCode;
  45         class OOperand;
  46         class OSQLAnalyzer;
  47         typedef::std::vector<OCode*> OCodeList;
  48
  49         class OPredicateCompiler : public ::vos::OReference
  50         {
  51             friend class OPredicateInterpreter;
  52             friend class OSQLAnalyzer;
  53
  54             OCodeList                                                           m_aCodeList;
  55             OFileColumns                                                        m_orgColumns; // in filecurs this are the filecolumns
  56             OSQLAnalyzer*                                                       m_pAnalyzer;
  57             ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess> m_xIndexes;
  58             sal_Int32                                                           m_nParamCounter;
  59             sal_Bool                                                            m_bORCondition;
  60         public:
  61             OPredicateCompiler(OSQLAnalyzer* pAnalyzer);
  62
  63             virtual ~OPredicateCompiler();
  64
  65             inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
  66                 { return ::rtl_allocateMemory( nSize ); }
  67             inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW( () )
  68                 { return _pHint; }
  69             inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
  70                 { ::rtl_freeMemory( pMem ); }
  71             inline static void SAL_CALL operator delete( void * /*pMem*/,void* /*_pHint*/ ) SAL_THROW( () )
  72                 {  }
  73             void dispose();
  74
  75             void start(connectivity::OSQLParseNode* pSQLParseNode);
  76             OOperand* execute(connectivity::OSQLParseNode* pPredicateNode);
  77
  78             void Clean();
  79             sal_Bool isClean() const {return m_aCodeList.empty();}
  80             sal_Bool hasCode() const {return !isClean();}
  81             sal_Bool hasORCondition() const {return m_bORCondition;}
  82             void         setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; }
  83             const OFileColumns getOrigColumns() const { return m_orgColumns; }
  84         protected:
  85             OOperand* execute_COMPARE(connectivity::OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  86             OOperand* execute_LIKE(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  87             OOperand* execute_BETWEEN(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  88             OOperand* execute_ISNULL(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  89             OOperand* execute_Operand(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  90             OOperand* execute_Fold(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  91             OOperand* executeFunction(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
  92         };
  93
  94
  95         class OPredicateInterpreter :
  96             public ::vos::OReference
  97         {
  98             OCodeStack                  m_aStack;
  99             ::vos::ORef<OPredicateCompiler> m_rCompiler;
 100
 101         public:
 102             OPredicateInterpreter(const ::vos::ORef<OPredicateCompiler>& rComp) : m_rCompiler(rComp){}
 103             virtual ~OPredicateInterpreter();
 104
 105             sal_Bool    evaluate(OCodeList& rCodeList);
 106             void                evaluateSelection(OCodeList& rCodeList,ORowSetValueDecoratorRef& _rVal);
 107
 108             inline sal_Bool start()
 109             {
 110                 return evaluate(m_rCompiler->m_aCodeList);
 111             }
 112
 113             inline void startSelection(ORowSetValueDecoratorRef& _rVal)
 114             {
 115                 return evaluateSelection(m_rCompiler->m_aCodeList,_rVal);
 116             }
 117
 118
 119         };
 120     }
 121 }
 122 #endif // _CONNECTIVITY_FILE_FCOMP_HXX_
 123