1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 #ifndef _CONNECTIVITY_SQLSCAN_HXX
24 #define _CONNECTIVITY_SQLSCAN_HXX
25 
26 #include <stdarg.h>
27 #include "connectivity/IParseContext.hxx"
28 #include "connectivity/dbtoolsdllapi.hxx"
29 
30 namespace connectivity
31 {
32 	//==========================================================================
33 	//= OSQLScanner
34 	//==========================================================================
35 	/** Scanner for SQL92
36 	*/
37 	class OOO_DLLPUBLIC_DBTOOLS OSQLScanner
38 	{
39 		const IParseContext*	m_pContext;					// context for parse, knows all international stuff
40 		::rtl::OString			m_sStatement;			    // statement to parse
41 		::rtl::OUString			m_sErrorMessage;
42 
43 		sal_Int32				m_nCurrentPos;             // next position to read from the statement
44 		sal_Bool				m_bInternational;		   // do we have a statement which may uses
45 		sal_Int32				m_nRule;				   // rule to be set
46 
47 	public:
48 		OSQLScanner();
49 		virtual ~OSQLScanner();
50 
operator new(size_t nSize)51 		inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
52 			{ return ::rtl_allocateMemory( nSize ); }
operator new(size_t,void * _pHint)53 		inline static void * SAL_CALL operator new( size_t,void* _pHint ) SAL_THROW( () )
54 			{ return _pHint; }
operator delete(void * pMem)55 		inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
56 			{ ::rtl_freeMemory( pMem ); }
operator delete(void *,void *)57 		inline static void SAL_CALL operator delete( void *,void* ) SAL_THROW( () )
58 			{  }
59 
60 		virtual sal_Int32 SQLyygetc(void);
61 		virtual void SQLyyerror(char *fmt);
output(sal_Int32)62 		virtual void output(sal_Int32) { OSL_ASSERT("Internal error in sdblex.l: output not possible"); }
ECHO(void)63 		virtual void ECHO(void) { OSL_ASSERT("Internal error in sdblex.l: ECHO not possible"); }
64 		virtual IParseContext::InternationalKeyCode getInternationalTokenID(const char* sToken) const;
65 
66 		// setting the new information before scanning
67 		void prepareScan(const ::rtl::OUString & rNewStatement, const IParseContext* pContext, sal_Bool bInternational);
getErrorMessage() const68 		const ::rtl::OUString& getErrorMessage() const {return m_sErrorMessage;}
getStatement() const69 		::rtl::OString getStatement() const { return m_sStatement; }
70 
71 		sal_Int32 SQLlex();
72 		// set this as scanner for flex
73 		void setScanner(sal_Bool _bNull=sal_False);
74 		// rules settings
SetRule(sal_Int32 nRule)75 		void SetRule(sal_Int32 nRule) {m_nRule = nRule;}
76 		sal_Int32	GetCurrentRule() const;
77 		sal_Int32	GetGERRule() const;
78 		sal_Int32	GetENGRule() const;
79 		sal_Int32	GetSQLRule() const;
80 		sal_Int32	GetDATERule() const;
81 		sal_Int32	GetSTRINGRule() const;
GetCurrentPos() const82         inline sal_Int32 GetCurrentPos() const { return m_nCurrentPos; }
83 	};
84 }
85 
86 #endif
87