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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
// Created on: 1991-06-10
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Expr.hxx>
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#include <Expr_Equal.hxx>
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#include <Expr_GeneralExpression.hxx>
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#include <Expr_GeneralRelation.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_AsciiString.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(Expr_Equal,Expr_SingleRelation)
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Expr_Equal::Expr_Equal (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
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{
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SetFirstMember(exp1);
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SetSecondMember(exp2);
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}
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Standard_Boolean Expr_Equal::IsSatisfied () const
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{
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Handle(Expr_GeneralExpression) fm = FirstMember();
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Handle(Expr_GeneralExpression) sm = SecondMember();
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fm = fm->Simplified();
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sm = sm->Simplified();
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return (fm->IsIdentical(sm));
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}
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Handle(Expr_GeneralRelation) Expr_Equal::Simplified () const
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{
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Handle(Expr_GeneralExpression) fm = FirstMember();
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Handle(Expr_GeneralExpression) sm = SecondMember();
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return new Expr_Equal(fm->Simplified(),sm->Simplified());
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}
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void Expr_Equal::Simplify ()
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{
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Handle(Expr_GeneralExpression) fm = FirstMember();
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Handle(Expr_GeneralExpression) sm = SecondMember();
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SetFirstMember(fm->Simplified());
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SetSecondMember(sm->Simplified());
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}
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Handle(Expr_GeneralRelation) Expr_Equal::Copy () const
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{
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return new Expr_Equal(Expr::CopyShare(FirstMember()),
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Expr::CopyShare(SecondMember()));
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}
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TCollection_AsciiString Expr_Equal::String() const
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{
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return FirstMember()->String() + " = " + SecondMember()->String();
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}
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