b311480e |
1 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
2 | // |
3 | // The content of this file is subject to the Open CASCADE Technology Public |
4 | // License Version 6.5 (the "License"). You may not use the content of this file |
5 | // except in compliance with the License. Please obtain a copy of the License |
6 | // at http://www.opencascade.org and read it completely before using this file. |
7 | // |
8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
10 | // |
11 | // The Original Code and all software distributed under the License is |
12 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
13 | // Initial Developer hereby disclaims all such warranties, including without |
14 | // limitation, any warranties of merchantability, fitness for a particular |
15 | // purpose or non-infringement. Please see the License for the specific terms |
16 | // and conditions governing the rights and limitations under the License. |
17 | |
7fd59977 |
18 | #include <IFSelect_SelectRootComps.ixx> |
19 | #include <IFGraph_StrongComponants.hxx> |
20 | #include <IFGraph_Cumulate.hxx> |
21 | |
22 | |
b311480e |
23 | IFSelect_SelectRootComps::IFSelect_SelectRootComps () { } |
7fd59977 |
24 | |
25 | |
26 | // Refait pour travailler en une fois |
27 | // ATTENTION, il ne faut pas s interesser aux ENTITES mais aux COMPOSANTS |
28 | // c-a-d gerer les CYCLES s il y en a |
29 | |
30 | Interface_EntityIterator IFSelect_SelectRootComps::RootResult |
31 | (const Interface_Graph& G) const |
32 | { |
33 | Interface_EntityIterator IEIinput = InputResult(G); |
34 | Interface_EntityIterator iter; |
35 | // ICI, extraire les Componants, puis considerer une Entite de chacun |
36 | IFGraph_StrongComponants comps(G,Standard_False); |
37 | comps.SetLoad(); |
38 | comps.GetFromIter(IEIinput); |
39 | Interface_EntityIterator inp1; // IEIinput reduit a une Entite par Composant |
40 | |
41 | IFGraph_Cumulate GC(G); |
42 | |
43 | // On note dans le graphe : le cumul de chaque ensemble (Entite + Shared tous |
44 | // niveaux). Les Roots initiales comptees une seule fois sont bonnes |
45 | // Pour Entite : une par Componant (peu importe) |
46 | for (comps.Start(); comps.More(); comps.Next()) { |
47 | Handle(Standard_Transient) ent = comps.FirstEntity(); |
48 | GC.GetFromEntity(ent); |
49 | inp1.GetOneItem(ent); |
50 | } |
51 | // A present, on retient, parmi les inputs, celles comptees une seule fois |
52 | // (N.B.: on prend inp1, qui donne UNE entite par composant, simple ou cycle) |
53 | for (inp1.Start(); inp1.More(); inp1.Next()) { |
54 | Handle(Standard_Transient) ent = inp1.Value(); |
55 | if ((Standard_Boolean)(GC.NbTimes(ent) <= 1) == IsDirect()) iter.GetOneItem(ent); |
56 | } |
57 | return iter; |
58 | } |
59 | |
60 | Standard_Boolean IFSelect_SelectRootComps::HasUniqueResult () const |
61 | { return Standard_True; } |
62 | |
63 | |
64 | Standard_Boolean IFSelect_SelectRootComps::Sort |
65 | (const Standard_Integer , const Handle(Standard_Transient)& , |
66 | const Handle(Interface_InterfaceModel)& ) const |
67 | { return Standard_True; } |
68 | |
69 | TCollection_AsciiString IFSelect_SelectRootComps::ExtractLabel () const |
70 | { return TCollection_AsciiString("Local Root Componants"); } |