1 // Created by: DAUTRY Philippe
2 // Copyright (c) 1997-1999 Matra Datavision
3 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _TDocStd_XLinkIterator_HeaderFile
17 #define _TDocStd_XLinkIterator_HeaderFile
19 #include <Standard.hxx>
20 #include <Standard_DefineAlloc.hxx>
21 #include <Standard_Handle.hxx>
23 #include <TDocStd_XLinkPtr.hxx>
24 #include <Standard_Boolean.hxx>
25 class Standard_NoMoreObject;
26 class TDocStd_Document;
29 //! Iterates on Reference attributes.
30 //! This is an iterator giving all the external references
32 class TDocStd_XLinkIterator
39 //! Returns an empty iterator;
40 Standard_EXPORT TDocStd_XLinkIterator();
42 //! Creates an iterator on Reference of <D>.
43 Standard_EXPORT TDocStd_XLinkIterator(const Handle(TDocStd_Document)& D);
45 //! Restarts an iteration with <D>.
46 Standard_EXPORT void Initialize (const Handle(TDocStd_Document)& D);
48 //! Returns True if there is a current Item in the
50 Standard_Boolean More() const;
52 //! Move to the next item; raises if there is no more item.
53 Standard_EXPORT void Next();
55 //! Returns the current item; a null handle if there is none.
56 TDocStd_XLinkPtr Value() const;
70 Standard_EXPORT void Init (const Handle(TDocStd_Document)& D);
73 TDocStd_XLinkPtr myValue;
79 #include <TDocStd_XLinkIterator.lxx>
85 #endif // _TDocStd_XLinkIterator_HeaderFile