connectivity/source/inc/sqlscan.hxx

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  30 #ifndef _CONNECTIVITY_SQLSCAN_HXX
  31 #define _CONNECTIVITY_SQLSCAN_HXX
  32
  33 #include <stdarg.h>
  34 #include "connectivity/IParseContext.hxx"
  35 #include "connectivity/dbtoolsdllapi.hxx"
  36
  37 namespace connectivity
  38 {
  39     //==========================================================================
  40     //= OSQLScanner
  41     //==========================================================================
  42     /** Scanner for SQL92
  43     */
  44     class OOO_DLLPUBLIC_DBTOOLS OSQLScanner
  45     {
  46         const IParseContext*    m_pContext;                                     // context for parse, knows all international stuff
  47         ::rtl::OString                  m_sStatement;                       // statement to parse
  48         ::rtl::OUString                 m_sErrorMessage;
  49
  50         sal_Int32                               m_nCurrentPos;             // next position to read from the statement
  51         sal_Bool                                m_bInternational;                  // do we have a statement which may uses
  52         sal_Int32                               m_nRule;                                   // rule to be set
  53
  54     public:
  55         OSQLScanner();
  56         virtual ~OSQLScanner();
  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,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 *,void* ) SAL_THROW( () )
  65             {  }
  66
  67         virtual sal_Int32 SQLyygetc(void);
  68         virtual void SQLyyerror(char *fmt);
  69         virtual void output(sal_Int32) { OSL_ASSERT("Internal error in sdblex.l: output not possible"); }
  70         virtual void ECHO(void) { OSL_ASSERT("Internal error in sdblex.l: ECHO not possible"); }
  71         virtual IParseContext::InternationalKeyCode getInternationalTokenID(const char* sToken) const;
  72
  73         // setting the new information before scanning
  74         void prepareScan(const ::rtl::OUString & rNewStatement, const IParseContext* pContext, sal_Bool bInternational);
  75         const ::rtl::OUString& getErrorMessage() const {return m_sErrorMessage;}
  76         ::rtl::OString getStatement() const { return m_sStatement; }
  77
  78         sal_Int32 SQLlex();
  79         // set this as scanner for flex
  80         void setScanner(sal_Bool _bNull=sal_False);
  81         // rules settings
  82         void SetRule(sal_Int32 nRule) {m_nRule = nRule;}
  83         sal_Int32       GetCurrentRule() const;
  84         sal_Int32       GetGERRule() const;
  85         sal_Int32       GetENGRule() const;
  86         sal_Int32       GetSQLRule() const;
  87         sal_Int32       GetDATERule() const;
  88         sal_Int32       GetSTRINGRule() const;
  89         inline sal_Int32 GetCurrentPos() const { return m_nCurrentPos; }
  90     };
  91 }
  92
  93 #endif