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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 |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _Expr_NamedExpression_HeaderFile |
18 | #define _Expr_NamedExpression_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <TCollection_AsciiString.hxx> |
24 | #include <Expr_GeneralExpression.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | class TCollection_AsciiString; |
27 | class Expr_GeneralExpression; |
28 | |
29 | |
30 | class Expr_NamedExpression; |
31 | DEFINE_STANDARD_HANDLE(Expr_NamedExpression, Expr_GeneralExpression) |
32 | |
33 | //! Describe an expression used by its name (as constants |
34 | //! or variables). A single reference is made to a |
35 | //! NamedExpression in every Expression (i.e. a |
36 | //! NamedExpression is shared). |
37 | class Expr_NamedExpression : public Expr_GeneralExpression |
38 | { |
39 | |
40 | public: |
41 | |
42 | |
43 | Standard_EXPORT const TCollection_AsciiString& GetName() const; |
44 | |
45 | Standard_EXPORT void SetName (const TCollection_AsciiString& name); |
46 | |
47 | //! Tests if <me> can be shared by one or more expressions |
48 | //! or must be copied. This method redefines to a True |
49 | //! value the GeneralExpression method. |
50 | Standard_EXPORT virtual Standard_Boolean IsShareable() const Standard_OVERRIDE; |
51 | |
52 | //! Tests if <me> and <Other> define the same expression. |
53 | //! This method does not include any simplification before |
54 | //! testing. |
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55 | Standard_EXPORT Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)& Other) const Standard_OVERRIDE; |
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56 | |
57 | //! returns a string representing <me> in a readable way. |
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58 | Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE; |
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59 | |
60 | |
61 | |
62 | |
63 | DEFINE_STANDARD_RTTI(Expr_NamedExpression,Expr_GeneralExpression) |
64 | |
65 | protected: |
66 | |
67 | |
68 | |
69 | |
70 | private: |
71 | |
72 | |
73 | TCollection_AsciiString myName; |
74 | |
75 | |
76 | }; |
77 | |
78 | |
79 | |
80 | |
81 | |
82 | |
83 | |
84 | #endif // _Expr_NamedExpression_HeaderFile |