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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
// Created on: 1991-01-10
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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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#ifndef _Expr_NamedExpression_HeaderFile
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#define _Expr_NamedExpression_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_AsciiString.hxx>
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#include <Expr_GeneralExpression.hxx>
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#include <Standard_Boolean.hxx>
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class TCollection_AsciiString;
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class Expr_GeneralExpression;
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class Expr_NamedExpression;
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DEFINE_STANDARD_HANDLE(Expr_NamedExpression, Expr_GeneralExpression)
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//! Describe an expression used by its name (as constants
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//! or variables). A single reference is made to a
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//! NamedExpression in every Expression (i.e. a
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//! NamedExpression is shared).
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class Expr_NamedExpression : public Expr_GeneralExpression
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{
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public:
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Standard_EXPORT const TCollection_AsciiString& GetName() const;
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Standard_EXPORT void SetName (const TCollection_AsciiString& name);
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//! Tests if <me> can be shared by one or more expressions
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//! or must be copied. This method redefines to a True
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//! value the GeneralExpression method.
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Standard_EXPORT virtual Standard_Boolean IsShareable() const Standard_OVERRIDE;
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//! Tests if <me> and <Other> define the same expression.
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//! This method does not include any simplification before
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//! testing.
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Standard_EXPORT Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)& Other) const Standard_OVERRIDE;
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//! returns a string representing <me> in a readable way.
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Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(Expr_NamedExpression,Expr_GeneralExpression)
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protected:
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private:
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TCollection_AsciiString myName;
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};
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#endif // _Expr_NamedExpression_HeaderFile
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