1 // Created on: 1991-01-10
2 // Created by: Arnaud BOUZY
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Expr_UnaryExpression_HeaderFile
18 #define _Expr_UnaryExpression_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Expr_GeneralExpression.hxx>
24 #include <Standard_Integer.hxx>
25 class Expr_NamedUnknown;
28 class Expr_UnaryExpression;
29 DEFINE_STANDARD_HANDLE(Expr_UnaryExpression, Expr_GeneralExpression)
32 class Expr_UnaryExpression : public Expr_GeneralExpression
38 //! Returns the operand used
39 const Handle(Expr_GeneralExpression)& Operand() const;
41 //! Sets the operand used
42 //! Raises InvalidOperand if <exp> contains <me>.
43 Standard_EXPORT void SetOperand (const Handle(Expr_GeneralExpression)& exp);
45 //! Returns the number of sub-expressions contained
47 Standard_EXPORT Standard_Integer NbSubExpressions() const Standard_OVERRIDE;
49 //! Returns the <I>-th sub-expression of <me>.
50 //! Raises OutOfRange if <I> > NbSubExpressions(me)
51 Standard_EXPORT const Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I) const Standard_OVERRIDE;
53 //! Does <me> contains NamedUnknown ?
54 Standard_EXPORT Standard_Boolean ContainsUnknowns() const Standard_OVERRIDE;
56 //! Tests if <exp> is contained in <me>.
57 Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const Standard_OVERRIDE;
59 //! Replaces all occurrences of <var> with <with> in <me>
60 //! Raises InvalidOperand if <with> contains <me>.
61 Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) Standard_OVERRIDE;
63 //! Returns a GeneralExpression after replacement of
64 //! NamedUnknowns by an associated expression, and after
65 //! values computation.
66 Standard_EXPORT Handle(Expr_GeneralExpression) Simplified() const Standard_OVERRIDE;
71 DEFINE_STANDARD_RTTIEXT(Expr_UnaryExpression,Expr_GeneralExpression)
76 //! Sets the operand used during creation
77 Standard_EXPORT void CreateOperand (const Handle(Expr_GeneralExpression)& exp);
84 Handle(Expr_GeneralExpression) myOperand;
90 #include <Expr_UnaryExpression.lxx>
96 #endif // _Expr_UnaryExpression_HeaderFile