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