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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 | |
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15 | #include <IFGraph_ExternalSources.hxx> |
16 | #include <Interface_EntityIterator.hxx> |
17 | #include <Interface_Graph.hxx> |
18 | #include <Standard_Transient.hxx> |
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19 | |
20 | // ExternalSources exploite les resultats stockes dans le Graphe sur Sharings |
21 | // Soit les "Sharings" des entites notees par GetFromEntity et GetFromIter |
22 | // Celles des "Sharings" qui n etaient pas deja notees sont ExternalSources |
23 | // Les status : |
24 | // - Les entites de depart sont au Status 0 |
25 | // - Les entites Sharing NOUVELLES (ExternalSources) sont au Status 1 |
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26 | IFGraph_ExternalSources::IFGraph_ExternalSources |
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27 | (const Interface_Graph& agraph) |
28 | : thegraph (agraph) { } |
29 | |
30 | |
31 | void IFGraph_ExternalSources::GetFromEntity |
32 | (const Handle(Standard_Transient)& ent) |
33 | { thegraph.GetFromEntity(ent,Standard_True); } |
34 | |
35 | void IFGraph_ExternalSources::GetFromIter |
36 | (const Interface_EntityIterator& iter) |
37 | { thegraph.GetFromIter(iter,0); } |
38 | |
39 | void IFGraph_ExternalSources::ResetData () |
40 | { Reset(); thegraph.Reset(); } |
41 | |
42 | |
43 | void IFGraph_ExternalSources::Evaluate () |
44 | { |
45 | Reset(); |
46 | thegraph.RemoveStatus(1); |
47 | Standard_Integer nb = thegraph.Size(); |
48 | for (Standard_Integer i = 1; i <= nb; i ++) { |
49 | if (thegraph.IsPresent(i) && thegraph.Status(i) == 0) |
50 | thegraph.GetFromIter ( thegraph.Sharings(thegraph.Entity(i)), 1 ); |
51 | } |
52 | GetFromGraph(thegraph,1); |
53 | } |
54 | |
55 | Standard_Boolean IFGraph_ExternalSources::IsEmpty () |
56 | { |
57 | Evaluate(); |
58 | Standard_Integer nb = thegraph.Size(); |
59 | for (Standard_Integer i = 1; i <= nb; i ++) { |
60 | if (thegraph.IsPresent(i) || thegraph.Status(i) == 1) |
61 | return Standard_False; |
62 | } |
63 | return Standard_True; |
64 | } |