0027772: Foundation Classes - define Standard_Boolean using C++ type "bool" instead...
[occt.git] / src / IFSelect / IFSelect_SelectRoots.cxx
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973c2be1 1// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 2//
973c2be1 3// This file is part of Open CASCADE Technology software library.
b311480e 4//
d5f74e42 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
973c2be1 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.
b311480e 10//
973c2be1 11// Alternatively, this file may be used under the terms of Open CASCADE
12// commercial license or contractual agreement.
b311480e 13
7fd59977 14
42cf5bc1 15#include <IFGraph_Cumulate.hxx>
16#include <IFSelect_SelectRoots.hxx>
17#include <Interface_EntityIterator.hxx>
18#include <Interface_Graph.hxx>
19#include <Interface_InterfaceModel.hxx>
20#include <Standard_Transient.hxx>
21#include <Standard_Type.hxx>
22#include <TCollection_AsciiString.hxx>
7fd59977 23
92efcf78 24IMPLEMENT_STANDARD_RTTIEXT(IFSelect_SelectRoots,IFSelect_SelectExtract)
25
b311480e 26IFSelect_SelectRoots::IFSelect_SelectRoots () { }
7fd59977 27
28
29// Refait pour travailler en une fois
30
31 Interface_EntityIterator IFSelect_SelectRoots::RootResult
32 (const Interface_Graph& G) const
33{
34 Interface_EntityIterator input = InputResult(G);
35 Interface_EntityIterator iter;
36 IFGraph_Cumulate GC(G);
37
38// On note dans le graphe : le cumul de chaque ensemble (Entite + Shared tous
39// niveaux). Les Roots initiales comptees une seule fois sont bonnes
40 for (input.Start(); input.More(); input.Next()) {
41 Handle(Standard_Transient) ent = input.Value();
42 GC.GetFromEntity(ent);
43 }
44// A present, on retient, parmi les inputs, celles comptees une seule fois
45 for (input.Start(); input.More(); input.Next()) {
46 Handle(Standard_Transient) ent = input.Value();
dde68833 47 if ((GC.NbTimes(ent) <= 1) == IsDirect()) iter.GetOneItem(ent);
7fd59977 48 }
49 return iter;
50}
51
52 Standard_Boolean IFSelect_SelectRoots::HasUniqueResult () const
53 { return Standard_True; }
54
55 Standard_Boolean IFSelect_SelectRoots::Sort
56 (const Standard_Integer , const Handle(Standard_Transient)& ,
57 const Handle(Interface_InterfaceModel)& ) const
58 { return Standard_True; }
59
60 TCollection_AsciiString IFSelect_SelectRoots::ExtractLabel () const
61 { return TCollection_AsciiString("Local Roots"); }