113 lines
3.7 KiB
C++
113 lines
3.7 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 INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX
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#define INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX
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#include "dllapi.h"
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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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namespace rptui
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{
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// = ConditionalExpression
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class REPORTDESIGN_DLLPUBLIC ConditionalExpression
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{
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private:
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const 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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OUString assembleExpression( const OUString& _rFieldDataSource, const OUString& _rLHS, const 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 OUString& _rExpression, const OUString& _rFieldDataSource, OUString& _out_rLHS, OUString& _out_rRHS ) const;
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};
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//= ConditionType
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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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//= ComparisonOperation
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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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// = ConditionalExpressionFactory
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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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} // namespace rptui
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#endif // INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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