68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
// Created on: 1992-11-18
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// Created by: Christian CAILLET
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _IFSelect_SelectRoots_HeaderFile
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#define _IFSelect_SelectRoots_HeaderFile
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#include "Standard.hxx"
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#include "Standard_Type.hxx"
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#include "IFSelect_SelectExtract.hxx"
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#include "Standard_Integer.hxx"
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class Interface_EntityIterator;
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class Interface_Graph;
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class Standard_Transient;
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class Interface_InterfaceModel;
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class TCollection_AsciiString;
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class IFSelect_SelectRoots;
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DEFINE_STANDARD_HANDLE(IFSelect_SelectRoots, IFSelect_SelectExtract)
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//! A SelectRoots sorts the Entities which are local roots of a
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//! set of Entities (not shared by other Entities inside this set,
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//! even if they are shared by other Entities outside it)
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class IFSelect_SelectRoots : public IFSelect_SelectExtract
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{
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public:
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//! Creates a SelectRoots
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Standard_EXPORT IFSelect_SelectRoots();
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//! Returns the list of local roots.
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//! It is redefined for a purpose of efficiency:
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//! calling a Sort routine for each Entity would cost more resources
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//! than to work in once using a Map RootResult takes in account the Direct status.
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Standard_EXPORT virtual Interface_EntityIterator RootResult(const Interface_Graph& G) const
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Standard_OVERRIDE;
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//! Returns always True, because RootResult has done work
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Standard_EXPORT Standard_Boolean
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Sort(const Standard_Integer rank,
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const Handle(Standard_Transient)& ent,
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const Handle(Interface_InterfaceModel)& model) const Standard_OVERRIDE;
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//! Returns a text defining the criterium : "Local Root Entities"
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Standard_EXPORT TCollection_AsciiString ExtractLabel() const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(IFSelect_SelectRoots, IFSelect_SelectExtract)
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protected:
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//! Returns True, because RootResult assures uniqueness
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Standard_EXPORT virtual Standard_Boolean HasUniqueResult() const Standard_OVERRIDE;
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};
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#endif // _IFSelect_SelectRoots_HeaderFile
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