Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : #ifndef _CONNECTIVITY_SQLSCAN_HXX
      20             : #define _CONNECTIVITY_SQLSCAN_HXX
      21             : 
      22             : #include <stdarg.h>
      23             : #include "connectivity/IParseContext.hxx"
      24             : #include "connectivity/dbtoolsdllapi.hxx"
      25             : 
      26             : namespace connectivity
      27             : {
      28             :     //==========================================================================
      29             :     //= OSQLScanner
      30             :     //==========================================================================
      31             :     /** Scanner for SQL92
      32             :     */
      33             :     class OOO_DLLPUBLIC_DBTOOLS OSQLScanner
      34             :     {
      35             :         const IParseContext*    m_pContext;                 // context for parse, knows all international stuff
      36             :         ::rtl::OString          m_sStatement;               // statement to parse
      37             :         ::rtl::OUString         m_sErrorMessage;
      38             : 
      39             :         sal_Int32               m_nCurrentPos;             // next position to read from the statement
      40             :         sal_Bool                m_bInternational;          // do we have a statement which may uses
      41             :         sal_Int32               m_nRule;                   // rule to be set
      42             : 
      43             :     public:
      44             :         OSQLScanner();
      45             :         virtual ~OSQLScanner();
      46             : 
      47           1 :         inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW(())
      48           1 :             { return ::rtl_allocateMemory( nSize ); }
      49             :         inline static void * SAL_CALL operator new( size_t,void* _pHint ) SAL_THROW(())
      50             :             { return _pHint; }
      51           0 :         inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW(())
      52           0 :             { ::rtl_freeMemory( pMem ); }
      53             :         inline static void SAL_CALL operator delete( void *,void* ) SAL_THROW(())
      54             :             {  }
      55             : 
      56             :         virtual sal_Int32 SQLyygetc(void);
      57             :         virtual void SQLyyerror(char *fmt);
      58           0 :         virtual void output(sal_Int32) { OSL_FAIL("Internal error in sdblex.l: output not possible"); }
      59           0 :         virtual void ECHO(void) { OSL_FAIL("Internal error in sdblex.l: ECHO not possible"); }
      60             :         virtual IParseContext::InternationalKeyCode getInternationalTokenID(const char* sToken) const;
      61             : 
      62             :         // setting the new information before scanning
      63             :         void prepareScan(const ::rtl::OUString & rNewStatement, const IParseContext* pContext, sal_Bool bInternational);
      64           0 :         const ::rtl::OUString& getErrorMessage() const {return m_sErrorMessage;}
      65           0 :         ::rtl::OString getStatement() const { return m_sStatement; }
      66             : 
      67             :         sal_Int32 SQLlex();
      68             :         // set this as scanner for flex
      69             :         void setScanner(sal_Bool _bNull=sal_False);
      70             :         // rules settings
      71           2 :         void SetRule(sal_Int32 nRule) {m_nRule = nRule;}
      72             :         sal_Int32   GetGERRule() const;
      73             :         sal_Int32   GetENGRule() const;
      74             :         sal_Int32   GetSQLRule() const;
      75             :         sal_Int32   GetDATERule() const;
      76             :         sal_Int32   GetSTRINGRule() const;
      77           0 :         inline sal_Int32 GetCurrentPos() const { return m_nCurrentPos; }
      78             :     };
      79             : }
      80             : 
      81             : #endif
      82             : 
      83             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */