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109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
// Created on: 1992-11-17
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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_SelectDeduct_HeaderFile
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#define _IFSelect_SelectDeduct_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <IFSelect_Selection.hxx>
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class IFSelect_SelectPointed;
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class Interface_EntityIterator;
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class Interface_Graph;
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class IFSelect_SelectionIterator;
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class IFSelect_SelectDeduct;
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DEFINE_STANDARD_HANDLE(IFSelect_SelectDeduct, IFSelect_Selection)
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//! A SelectDeduct determines a list of Entities from an Input
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//! Selection, by a computation : Output list is not obliged to be
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//! a sub-list of Input list
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//! (for more specific, see SelectExtract for filtered sub-lists,
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//! and SelectExplore for recurcive exploration)
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//!
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//! A SelectDeduct may use an alternate input for one shot
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//! This allows to use an already existing definition, by
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//! overloading the input selection by an alternate list,
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//! already defined, for one use :
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//! If this alternate list is set, InputResult queries it instead
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//! of calling the input selection, then clears it immediately
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class IFSelect_SelectDeduct : public IFSelect_Selection
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{
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public:
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//! Defines or Changes the Input Selection
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Standard_EXPORT void SetInput (const Handle(IFSelect_Selection)& sel);
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//! Returns the Input Selection
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Standard_EXPORT Handle(IFSelect_Selection) Input() const;
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//! Returns True if the Input Selection is defined, False else
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Standard_EXPORT Standard_Boolean HasInput() const;
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//! Tells if an Alternate List has been set, i.e. : the Alternate
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//! Definition is present and set
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Standard_EXPORT Standard_Boolean HasAlternate() const;
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//! Returns the Alternate Definition
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//! It is returned modifiable, hence an already defined
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//! SelectPointed can be used
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//! But if it was not yet defined, it is created the first time
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//!
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//! It is exploited by InputResult
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Standard_EXPORT Handle(IFSelect_SelectPointed)& Alternate();
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//! Returns the Result determined by Input Selection, as Unique
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//! if Input Selection is not defined, returns an empty list.
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//!
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//! If Alternate is set, InputResult takes its definition instead
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//! of calling the Input Selection, then clears it
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Standard_EXPORT Interface_EntityIterator InputResult (const Interface_Graph& G) const;
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//! Puts in an Iterator the Selections from which "me" depends
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//! This list contains one Selection : the InputSelection
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Standard_EXPORT void FillIterator (IFSelect_SelectionIterator& iter) const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(IFSelect_SelectDeduct,IFSelect_Selection)
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protected:
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private:
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Handle(IFSelect_Selection) thesel;
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Handle(IFSelect_SelectPointed) thealt;
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};
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#endif // _IFSelect_SelectDeduct_HeaderFile
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