xref: /trunk/main/connectivity/source/inc/sqlscan.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir #ifndef _CONNECTIVITY_SQLSCAN_HXX
28*cdf0e10cSrcweir #define _CONNECTIVITY_SQLSCAN_HXX
29*cdf0e10cSrcweir 
30*cdf0e10cSrcweir #include <stdarg.h>
31*cdf0e10cSrcweir #include "connectivity/IParseContext.hxx"
32*cdf0e10cSrcweir #include "connectivity/dbtoolsdllapi.hxx"
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir namespace connectivity
35*cdf0e10cSrcweir {
36*cdf0e10cSrcweir     //==========================================================================
37*cdf0e10cSrcweir     //= OSQLScanner
38*cdf0e10cSrcweir     //==========================================================================
39*cdf0e10cSrcweir     /** Scanner for SQL92
40*cdf0e10cSrcweir     */
41*cdf0e10cSrcweir     class OOO_DLLPUBLIC_DBTOOLS OSQLScanner
42*cdf0e10cSrcweir     {
43*cdf0e10cSrcweir         const IParseContext*    m_pContext;                 // context for parse, knows all international stuff
44*cdf0e10cSrcweir         ::rtl::OString          m_sStatement;               // statement to parse
45*cdf0e10cSrcweir         ::rtl::OUString         m_sErrorMessage;
46*cdf0e10cSrcweir 
47*cdf0e10cSrcweir         sal_Int32               m_nCurrentPos;             // next position to read from the statement
48*cdf0e10cSrcweir         sal_Bool                m_bInternational;          // do we have a statement which may uses
49*cdf0e10cSrcweir         sal_Int32               m_nRule;                   // rule to be set
50*cdf0e10cSrcweir 
51*cdf0e10cSrcweir     public:
52*cdf0e10cSrcweir         OSQLScanner();
53*cdf0e10cSrcweir         virtual ~OSQLScanner();
54*cdf0e10cSrcweir 
55*cdf0e10cSrcweir         inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
56*cdf0e10cSrcweir             { return ::rtl_allocateMemory( nSize ); }
57*cdf0e10cSrcweir         inline static void * SAL_CALL operator new( size_t,void* _pHint ) SAL_THROW( () )
58*cdf0e10cSrcweir             { return _pHint; }
59*cdf0e10cSrcweir         inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
60*cdf0e10cSrcweir             { ::rtl_freeMemory( pMem ); }
61*cdf0e10cSrcweir         inline static void SAL_CALL operator delete( void *,void* ) SAL_THROW( () )
62*cdf0e10cSrcweir             {  }
63*cdf0e10cSrcweir 
64*cdf0e10cSrcweir         virtual sal_Int32 SQLyygetc(void);
65*cdf0e10cSrcweir         virtual void SQLyyerror(char *fmt);
66*cdf0e10cSrcweir         virtual void output(sal_Int32) { OSL_ASSERT("Internal error in sdblex.l: output not possible"); }
67*cdf0e10cSrcweir         virtual void ECHO(void) { OSL_ASSERT("Internal error in sdblex.l: ECHO not possible"); }
68*cdf0e10cSrcweir         virtual IParseContext::InternationalKeyCode getInternationalTokenID(const char* sToken) const;
69*cdf0e10cSrcweir 
70*cdf0e10cSrcweir         // setting the new information before scanning
71*cdf0e10cSrcweir         void prepareScan(const ::rtl::OUString & rNewStatement, const IParseContext* pContext, sal_Bool bInternational);
72*cdf0e10cSrcweir         const ::rtl::OUString& getErrorMessage() const {return m_sErrorMessage;}
73*cdf0e10cSrcweir         ::rtl::OString getStatement() const { return m_sStatement; }
74*cdf0e10cSrcweir 
75*cdf0e10cSrcweir         sal_Int32 SQLlex();
76*cdf0e10cSrcweir         // set this as scanner for flex
77*cdf0e10cSrcweir         void setScanner(sal_Bool _bNull=sal_False);
78*cdf0e10cSrcweir         // rules settings
79*cdf0e10cSrcweir         void SetRule(sal_Int32 nRule) {m_nRule = nRule;}
80*cdf0e10cSrcweir         sal_Int32   GetCurrentRule() const;
81*cdf0e10cSrcweir         sal_Int32   GetGERRule() const;
82*cdf0e10cSrcweir         sal_Int32   GetENGRule() const;
83*cdf0e10cSrcweir         sal_Int32   GetSQLRule() const;
84*cdf0e10cSrcweir         sal_Int32   GetDATERule() const;
85*cdf0e10cSrcweir         sal_Int32   GetSTRINGRule() const;
86*cdf0e10cSrcweir         inline sal_Int32 GetCurrentPos() const { return m_nCurrentPos; }
87*cdf0e10cSrcweir     };
88*cdf0e10cSrcweir }
89*cdf0e10cSrcweir 
90*cdf0e10cSrcweir #endif
91