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Diffstat (limited to 'connectivity/source/inc/file/fcomp.hxx')
| -rw-r--r-- | connectivity/source/inc/file/fcomp.hxx | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/connectivity/source/inc/file/fcomp.hxx b/connectivity/source/inc/file/fcomp.hxx new file mode 100644 index 000000000000..01bb73c8c210 --- /dev/null +++ b/connectivity/source/inc/file/fcomp.hxx @@ -0,0 +1,140 @@ +/************************************************************************* + * + * $RCSfile: fcomp.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:14:26 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +#ifndef _CONNECTIVITY_FILE_FCOMP_HXX_ +#define _CONNECTIVITY_FILE_FCOMP_HXX_ + +#ifndef _CONNECTIVITY_FILE_FCODE_HXX_ +#include "file/fcode.hxx" +#endif +#ifndef _LIST_ +#include <list> +#endif + +namespace connectivity +{ + class OSQLParseNode; + namespace file + { + class OCode; + class OOperand; + typedef::std::vector<OCode*> OCodeList; + + class OPredicateCompiler + { + friend class OPredicateInterpreter; + friend class OSQLAnalyzer; + + OCodeList m_aCodeList; + OFileColumns m_orgColumns; // in filecurs this are the filecolumns + ::vos::ORef< connectivity::OSQLColumns> m_aParameterColumns; + OSQLAnalyzer* m_pAnalyzer; + sal_Bool m_bORCondition; + + public: + OPredicateCompiler(OSQLAnalyzer* pAnalyzer); + + virtual ~OPredicateCompiler(); + + void start(connectivity::OSQLParseNode* pSQLParseNode); + OOperand* execute(connectivity::OSQLParseNode* pPredicateNode); + + void Clean(); + sal_Bool isClean() const {return m_aCodeList.empty();} + sal_Bool hasCode() const {return !isClean();} + sal_Bool hasORCondition() const {return m_bORCondition;} + void setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; } + const OFileColumns getOrigColumns() const { return m_orgColumns; } + + void setParameterColumns(::vos::ORef< connectivity::OSQLColumns > _rParaCols) + { + m_aParameterColumns = _rParaCols; + } + + protected: + OOperand* execute_COMPARE(connectivity::OSQLParseNode* pPredicateNode); + OOperand* execute_LIKE(connectivity::OSQLParseNode* pPredicateNode); + OOperand* execute_ISNULL(connectivity::OSQLParseNode* pPredicateNode); + OOperand* execute_Operand(connectivity::OSQLParseNode* pPredicateNode); + + private: + // OCursor& Cursor() const; + }; + + + class OPredicateInterpreter + { + OCodeStack m_aStack; + OPredicateCompiler& m_rCompiler; + + public: + OPredicateInterpreter(OPredicateCompiler& rComp) : m_rCompiler(rComp){} + virtual ~OPredicateInterpreter(); + + sal_Bool start() + { + return evaluate(m_rCompiler.m_aCodeList); + } + sal_Bool evaluate(OCodeList& rCodeList); + }; + } +} +#endif // _CONNECTIVITY_FILE_FCOMP_HXX_ + |