b311480e |
1 | // Created on: 1991-06-10 |
2 | // Created by: Arnaud BOUZY |
3 | // Copyright (c) 1991-1999 Matra Datavision |
973c2be1 |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e |
5 | // |
973c2be1 |
6 | // This file is part of Open CASCADE Technology software library. |
b311480e |
7 | // |
d5f74e42 |
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 |
973c2be1 |
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. |
b311480e |
13 | // |
973c2be1 |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
7fd59977 |
16 | |
42cf5bc1 |
17 | |
7fd59977 |
18 | #include <Expr.hxx> |
42cf5bc1 |
19 | #include <Expr_Equal.hxx> |
7fd59977 |
20 | #include <Expr_GeneralExpression.hxx> |
42cf5bc1 |
21 | #include <Expr_GeneralRelation.hxx> |
42cf5bc1 |
22 | #include <Standard_Type.hxx> |
23 | #include <TCollection_AsciiString.hxx> |
7fd59977 |
24 | |
92efcf78 |
25 | IMPLEMENT_STANDARD_RTTIEXT(Expr_Equal,Expr_SingleRelation) |
26 | |
7fd59977 |
27 | Expr_Equal::Expr_Equal (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2) |
28 | { |
29 | SetFirstMember(exp1); |
30 | SetSecondMember(exp2); |
31 | } |
32 | |
33 | Standard_Boolean Expr_Equal::IsSatisfied () const |
34 | { |
35 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
36 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
37 | fm = fm->Simplified(); |
38 | sm = sm->Simplified(); |
39 | return (fm->IsIdentical(sm)); |
40 | } |
41 | |
42 | Handle(Expr_GeneralRelation) Expr_Equal::Simplified () const |
43 | { |
44 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
45 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
46 | return new Expr_Equal(fm->Simplified(),sm->Simplified()); |
47 | } |
48 | |
49 | void Expr_Equal::Simplify () |
50 | { |
51 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
52 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
53 | SetFirstMember(fm->Simplified()); |
54 | SetSecondMember(sm->Simplified()); |
55 | } |
56 | |
57 | Handle(Expr_GeneralRelation) Expr_Equal::Copy () const |
58 | { |
59 | return new Expr_Equal(Expr::CopyShare(FirstMember()), |
60 | Expr::CopyShare(SecondMember())); |
61 | } |
62 | |
63 | TCollection_AsciiString Expr_Equal::String() const |
64 | { |
65 | return FirstMember()->String() + " = " + SecondMember()->String(); |
66 | } |