126 lines
4.9 KiB
C++
126 lines
4.9 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: conditionalexpression.hxx,v $
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* $Revision: 1.3 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CONDITIONALEXPRESSION_HXX
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#define CONDITIONALEXPRESSION_HXX
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#include "dllapi.h"
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/** === begin UNO includes === **/
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/** === end UNO includes === **/
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#include <rtl/ustring.hxx>
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#include <boost/shared_ptr.hpp>
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#include <map>
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//........................................................................
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namespace rptui
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{
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//........................................................................
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// =============================================================================
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// = ConditionalExpression
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// =============================================================================
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class REPORTDESIGN_DLLPUBLIC ConditionalExpression
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{
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private:
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const ::rtl::OUString m_sPattern;
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public:
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ConditionalExpression( const sal_Char* _pAsciiPattern );
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/** assembles an expression string from a field data source, and one or two operands
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*/
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::rtl::OUString assembleExpression( const ::rtl::OUString& _rFieldDataSource, const ::rtl::OUString& _rLHS, const ::rtl::OUString& _rRHS ) const;
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/** matches the given expression string to the expression pattern represented by the object
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@param _rExpression
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the expression to match
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@param _rFieldDataSource
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the field data source
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@param _out_rLHS
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output parameter taking the left hand side operand, if successful
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@param _out_rRHS
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output parameter taking the right hand side operand, if successful
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@return
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<TRUE/> if and only if the expression string could be successfully matched to
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the pattern.
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*/
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bool matchExpression( const ::rtl::OUString& _rExpression, const ::rtl::OUString& _rFieldDataSource, ::rtl::OUString& _out_rLHS, ::rtl::OUString& _out_rRHS ) const;
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};
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//========================================================================
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//= ConditionType
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//========================================================================
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enum ConditionType
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{
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eFieldValueComparison = 0,
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eExpression = 1
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};
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//========================================================================
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//= ComparisonOperation
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//========================================================================
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enum ComparisonOperation
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{
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eBetween = 0,
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eNotBetween = 1,
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eEqualTo = 2,
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eNotEqualTo = 3,
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eGreaterThan = 4,
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eLessThan = 5,
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eGreaterOrEqual = 6,
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eLessOrEqual = 7
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};
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typedef ::boost::shared_ptr< ConditionalExpression > PConditionalExpression;
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typedef ::std::map< ComparisonOperation, PConditionalExpression > ConditionalExpressions;
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// =============================================================================
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// = ConditionalExpressionFactory
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// =============================================================================
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class REPORTDESIGN_DLLPUBLIC ConditionalExpressionFactory
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{
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public:
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/// fills the given map with all ConditionalExpressions which we know
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static size_t getKnownConditionalExpressions( ConditionalExpressions& _out_rCondExp );
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private:
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ConditionalExpressionFactory(); // never implemented
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ConditionalExpressionFactory( const ConditionalExpressionFactory& ); // never implemented
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ConditionalExpressionFactory& operator=( const ConditionalExpressionFactory& ); // never implemented
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};
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//........................................................................
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} // namespace rptui
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//........................................................................
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#endif // CONDITIONALEXPRESSION_HXX
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