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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
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14 | #include <IFSelect_SelectRoots.ixx> |
15 | #include <IFGraph_Cumulate.hxx> |
16 | |
17 | |
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18 | IFSelect_SelectRoots::IFSelect_SelectRoots () { } |
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19 | |
20 | |
21 | // Refait pour travailler en une fois |
22 | |
23 | Interface_EntityIterator IFSelect_SelectRoots::RootResult |
24 | (const Interface_Graph& G) const |
25 | { |
26 | Interface_EntityIterator input = InputResult(G); |
27 | Interface_EntityIterator iter; |
28 | IFGraph_Cumulate GC(G); |
29 | |
30 | // On note dans le graphe : le cumul de chaque ensemble (Entite + Shared tous |
31 | // niveaux). Les Roots initiales comptees une seule fois sont bonnes |
32 | for (input.Start(); input.More(); input.Next()) { |
33 | Handle(Standard_Transient) ent = input.Value(); |
34 | GC.GetFromEntity(ent); |
35 | } |
36 | // A present, on retient, parmi les inputs, celles comptees une seule fois |
37 | for (input.Start(); input.More(); input.Next()) { |
38 | Handle(Standard_Transient) ent = input.Value(); |
39 | if ((Standard_Boolean)(GC.NbTimes(ent) <= 1) == IsDirect()) iter.GetOneItem(ent); |
40 | } |
41 | return iter; |
42 | } |
43 | |
44 | Standard_Boolean IFSelect_SelectRoots::HasUniqueResult () const |
45 | { return Standard_True; } |
46 | |
47 | Standard_Boolean IFSelect_SelectRoots::Sort |
48 | (const Standard_Integer , const Handle(Standard_Transient)& , |
49 | const Handle(Interface_InterfaceModel)& ) const |
50 | { return Standard_True; } |
51 | |
52 | TCollection_AsciiString IFSelect_SelectRoots::ExtractLabel () const |
53 | { return TCollection_AsciiString("Local Roots"); } |