b311480e |
1 | // Created on: 1997-12-16 |
2 | // Created by: Denis PASCAL |
3 | // Copyright (c) 1997-1999 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 | |
17 | #include <TDataStd_Expression.ixx> |
18 | #include <TCollection_AsciiString.hxx> |
19 | #include <TDataStd_Variable.hxx> |
20 | #include <TDF_ListIteratorOfAttributeList.hxx> |
21 | |
22 | //======================================================================= |
23 | //function : GetID |
24 | //purpose : |
25 | //======================================================================= |
26 | |
27 | const Standard_GUID& TDataStd_Expression::GetID() |
28 | { |
29 | static Standard_GUID TDataStd_ExpressionID("ce24146a-8e57-11d1-8953-080009dc4425"); |
30 | return TDataStd_ExpressionID; |
31 | } |
32 | |
33 | //======================================================================= |
34 | //function : Set |
35 | //purpose : |
36 | //======================================================================= |
37 | |
38 | Handle(TDataStd_Expression) TDataStd_Expression::Set(const TDF_Label& L) |
39 | { |
40 | Handle(TDataStd_Expression) A; |
41 | if (!L.FindAttribute (TDataStd_Expression::GetID(), A)) { |
42 | A = new TDataStd_Expression (); |
43 | L.AddAttribute(A); |
44 | } |
45 | return A; |
46 | } |
47 | |
48 | //======================================================================= |
49 | //function : TDataStd_Expression |
50 | //purpose : |
51 | //======================================================================= |
52 | |
53 | TDataStd_Expression::TDataStd_Expression() |
54 | { |
55 | } |
56 | |
57 | |
58 | //======================================================================= |
59 | //function : Name |
60 | //purpose : |
61 | //======================================================================= |
62 | TCollection_ExtendedString TDataStd_Expression::Name () const |
63 | { |
64 | return myExpression; // ->String(); |
65 | } |
66 | |
67 | //======================================================================= |
68 | //function : SetExpression |
69 | //purpose : |
70 | //======================================================================= |
71 | |
72 | void TDataStd_Expression::SetExpression(const TCollection_ExtendedString& E) |
73 | { |
74 | // OCC2932 correction |
75 | if(myExpression == E) return; |
76 | |
77 | Backup(); |
78 | myExpression = E; |
79 | } |
80 | |
81 | //======================================================================= |
82 | //function : GetExpression |
83 | //purpose : |
84 | //======================================================================= |
85 | |
86 | const TCollection_ExtendedString& TDataStd_Expression::GetExpression () const |
87 | { |
88 | return myExpression; |
89 | } |
90 | |
91 | //======================================================================= |
92 | //function : GetVariables |
93 | //purpose : |
94 | //======================================================================= |
95 | |
96 | TDF_AttributeList& TDataStd_Expression::GetVariables() |
97 | { |
98 | return myVariables; |
99 | } |
100 | |
101 | //======================================================================= |
102 | //function : ID |
103 | //purpose : |
104 | //======================================================================= |
105 | |
106 | const Standard_GUID& TDataStd_Expression::ID() const |
107 | { |
108 | return GetID(); |
109 | } |
110 | |
111 | //======================================================================= |
112 | //function : Restore |
113 | //purpose : |
114 | //======================================================================= |
115 | |
116 | void TDataStd_Expression::Restore(const Handle(TDF_Attribute)& With) |
117 | { |
118 | Handle(TDataStd_Expression) EXPR = Handle(TDataStd_Expression)::DownCast (With); |
119 | myExpression = EXPR->GetExpression(); |
120 | |
121 | Handle(TDataStd_Variable) V; |
122 | for (TDF_ListIteratorOfAttributeList it (EXPR->GetVariables()); it.More(); it.Next()) { |
123 | V = Handle(TDataStd_Variable)::DownCast(it.Value()); |
124 | myVariables.Append(V); |
125 | } |
126 | } |
127 | |
128 | //======================================================================= |
129 | //function : NewEmpty |
130 | //purpose : |
131 | //======================================================================= |
132 | |
133 | Handle(TDF_Attribute) TDataStd_Expression::NewEmpty() const |
134 | { |
135 | return new TDataStd_Expression(); |
136 | } |
137 | |
138 | //======================================================================= |
139 | //function : Paste |
140 | //purpose : |
141 | //======================================================================= |
142 | |
143 | void TDataStd_Expression::Paste(const Handle(TDF_Attribute)& Into, |
144 | const Handle(TDF_RelocationTable)& RT) const |
145 | { |
146 | Handle(TDataStd_Expression) EXPR = Handle(TDataStd_Expression)::DownCast (Into); |
147 | EXPR->SetExpression(myExpression); |
148 | Handle(TDataStd_Variable) V1,V2; |
149 | for (TDF_ListIteratorOfAttributeList it (myVariables); it.More(); it.Next()) { |
150 | V1 = Handle(TDataStd_Variable)::DownCast(it.Value()); |
151 | RT->HasRelocation (V1,V2); |
152 | EXPR->GetVariables().Append(V2); |
153 | } |
154 | } |
155 | |
156 | //======================================================================= |
157 | //function : Dump |
158 | //purpose : |
159 | //======================================================================= |
160 | |
161 | Standard_OStream& TDataStd_Expression::Dump(Standard_OStream& anOS) const |
162 | { |
163 | anOS << "Expression"; |
164 | return anOS; |
165 | } |
166 | |