-- Created on: 1996-12-16
-- Created by: Yves FRICAUD
-- Copyright (c) 1996-1999 Matra Datavision
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
--
-- This file is part of Open CASCADE Technology software library.
--
-- This library is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License version 2.1 as published
-- by the Free Software Foundation, with special exception defined in the file
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-- distribution for complete text of the license and disclaimer of any warranty.
--
-- Alternatively, this file may be used under the terms of Open CASCADE
-- commercial license or contractual agreement.

class OldShapeIterator from TNaming 

	---Purpose: Iterates on all the ascendants of a shape

uses
    Shape       from TopoDS,
    NamedShape  from TNaming,
    UsedShapes  from TNaming,
    Iterator    from TNaming,
    Label       from TDF,
    PtrNode     from TNaming
    
raises
     NoMoreObject from Standard,
     NoSuchObject from Standard 
     
is

    Create(aShape      : Shape      from TopoDS; 
    	   Transaction : Integer    from Standard;
    	   Shapes      : UsedShapes from TNaming)
    returns OldShapeIterator from TNaming 
    is private;

    Create(aShape      : Shape      from TopoDS; 
    	   Shapes      : UsedShapes from TNaming)
    returns OldShapeIterator from TNaming 
    is private;    

    Create(aShape      : Shape      from TopoDS; 
    	   Transaction : Integer    from Standard;
    	   access      : Label from TDF)
    returns OldShapeIterator from TNaming;

    Create(aShape      : Shape      from TopoDS; 
    	   access      : Label from TDF)
    returns OldShapeIterator from TNaming;
    
    
    Create(anIterator : OldShapeIterator from TNaming)
    returns OldShapeIterator from TNaming;
	---Purpose: Iterates from the current Shape in <anIterator>
	
    Create(anIterator  : Iterator from TNaming)
    returns OldShapeIterator from TNaming;
	---Purpose: Iterates from the current Shape in <anIterator>
	
    More(me) returns Boolean;
    	---C++: inline

    Next(me : in out)
    raises
       NoMoreObject from Standard;
				
    Label(me) returns Label from TDF
    raises
	NoSuchObject from Standard;
    
    NamedShape(me) returns NamedShape from TNaming
    raises
	NoSuchObject from Standard;
		
		
    Shape(me) returns Shape from TopoDS
	---C++: return const&
    raises
	NoSuchObject from Standard;
	
    IsModification(me) returns Boolean;
	---Purpose: True if the  new  shape is a modification  (split,
	--          fuse,etc...) of the old shape.


    
fields
    
    myNode  : PtrNode from TNaming;	
    myTrans : Integer from Standard; -- is < 0 means in Current Transaction.

friends

    class Tool      from TNaming,
    class Localizer from TNaming,
    class Naming    from TNaming 
    
end OldShapeIterator;