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1 | // Created on: 1991-06-10 |
2 | // Created by: Arnaud BOUZY |
3 | // Copyright (c) 1991-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <Expr.hxx> |
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19 | #include <Expr_Equal.hxx> |
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20 | #include <Expr_GeneralExpression.hxx> |
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21 | #include <Expr_GeneralRelation.hxx> |
22 | #include <Standard_NumericError.hxx> |
23 | #include <Standard_Type.hxx> |
24 | #include <TCollection_AsciiString.hxx> |
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25 | |
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26 | IMPLEMENT_STANDARD_RTTIEXT(Expr_Equal,Expr_SingleRelation) |
27 | |
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28 | Expr_Equal::Expr_Equal (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2) |
29 | { |
30 | SetFirstMember(exp1); |
31 | SetSecondMember(exp2); |
32 | } |
33 | |
34 | Standard_Boolean Expr_Equal::IsSatisfied () const |
35 | { |
36 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
37 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
38 | fm = fm->Simplified(); |
39 | sm = sm->Simplified(); |
40 | return (fm->IsIdentical(sm)); |
41 | } |
42 | |
43 | Handle(Expr_GeneralRelation) Expr_Equal::Simplified () const |
44 | { |
45 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
46 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
47 | return new Expr_Equal(fm->Simplified(),sm->Simplified()); |
48 | } |
49 | |
50 | void Expr_Equal::Simplify () |
51 | { |
52 | Handle(Expr_GeneralExpression) fm = FirstMember(); |
53 | Handle(Expr_GeneralExpression) sm = SecondMember(); |
54 | SetFirstMember(fm->Simplified()); |
55 | SetSecondMember(sm->Simplified()); |
56 | } |
57 | |
58 | Handle(Expr_GeneralRelation) Expr_Equal::Copy () const |
59 | { |
60 | return new Expr_Equal(Expr::CopyShare(FirstMember()), |
61 | Expr::CopyShare(SecondMember())); |
62 | } |
63 | |
64 | TCollection_AsciiString Expr_Equal::String() const |
65 | { |
66 | return FirstMember()->String() + " = " + SecondMember()->String(); |
67 | } |