114 lines
5.1 KiB
C++
114 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _CONNECTIVITY_FILE_FCOMP_HXX_
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#define _CONNECTIVITY_FILE_FCOMP_HXX_
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#include "file/fcode.hxx"
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#include "file/filedllapi.hxx"
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#ifndef _LIST_
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#include <list>
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#endif
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namespace connectivity
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{
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class OSQLParseNode;
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namespace file
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{
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class OCode;
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class OOperand;
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class OSQLAnalyzer;
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typedef::std::vector<OCode*> OCodeList;
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class OPredicateCompiler : public ::salhelper::SimpleReferenceObject
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{
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friend class OPredicateInterpreter;
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friend class OSQLAnalyzer;
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OCodeList m_aCodeList;
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OFileColumns m_orgColumns; // in filecurs this are the filecolumns
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OSQLAnalyzer* m_pAnalyzer;
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::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess> m_xIndexes;
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sal_Int32 m_nParamCounter;
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sal_Bool m_bORCondition;
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public:
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OPredicateCompiler(OSQLAnalyzer* pAnalyzer);
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virtual ~OPredicateCompiler();
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inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW(())
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{ return ::rtl_allocateMemory( nSize ); }
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inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW(())
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{ return _pHint; }
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inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW(())
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{ ::rtl_freeMemory( pMem ); }
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inline static void SAL_CALL operator delete( void * /*pMem*/,void* /*_pHint*/ ) SAL_THROW(())
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{ }
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void dispose();
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void start(connectivity::OSQLParseNode* pSQLParseNode);
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OOperand* execute(connectivity::OSQLParseNode* pPredicateNode);
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void Clean();
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sal_Bool isClean() const {return m_aCodeList.empty();}
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sal_Bool hasCode() const {return !isClean();}
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sal_Bool hasORCondition() const {return m_bORCondition;}
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void setOrigColumns(const OFileColumns& rCols) { m_orgColumns = rCols; }
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const OFileColumns getOrigColumns() const { return m_orgColumns; }
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protected:
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OOperand* execute_COMPARE(connectivity::OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* execute_LIKE(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* execute_BETWEEN(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* execute_ISNULL(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* execute_Operand(connectivity::OSQLParseNode* pPredicateNode) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* execute_Fold(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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OOperand* executeFunction(OSQLParseNode* pPredicateNode) throw( ::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
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};
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class OPredicateInterpreter :
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public ::salhelper::SimpleReferenceObject
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{
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OCodeStack m_aStack;
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::rtl::Reference<OPredicateCompiler> m_rCompiler;
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public:
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OPredicateInterpreter(const ::rtl::Reference<OPredicateCompiler>& rComp) : m_rCompiler(rComp){}
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virtual ~OPredicateInterpreter();
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sal_Bool evaluate(OCodeList& rCodeList);
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void evaluateSelection(OCodeList& rCodeList,ORowSetValueDecoratorRef& _rVal);
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inline sal_Bool start()
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{
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return evaluate(m_rCompiler->m_aCodeList);
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}
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inline void startSelection(ORowSetValueDecoratorRef& _rVal)
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{
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evaluateSelection(m_rCompiler->m_aCodeList,_rVal);
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}
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};
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}
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}
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#endif // _CONNECTIVITY_FILE_FCOMP_HXX_
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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