// Created on: 1997-08-13
// Created by: Jean-Louis Frenkel
// Copyright (c) 1997-1999 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.

#ifndef _CDF_DirectoryIterator_HeaderFile
#define _CDF_DirectoryIterator_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"

#include "CDM_Document.hxx"

#include "NCollection_List.hxx"
class CDF_Directory;
class CDM_Document;

class CDF_DirectoryIterator
{
public:
  DEFINE_STANDARD_ALLOC

  //! creates an Iterator with the directory
  //! of the current CDF.
  Standard_EXPORT CDF_DirectoryIterator();

  Standard_EXPORT CDF_DirectoryIterator(const occ::handle<CDF_Directory>& aDirectory);

  //! Returns True if there are more entries to return
  Standard_EXPORT bool MoreDocument();

  //! Go to the next entry
  //! (if there is not, Value will raise an exception)
  Standard_EXPORT void NextDocument();

  //! Returns item value of current entry
  Standard_EXPORT occ::handle<CDM_Document> Document();

private:
  NCollection_List<occ::handle<CDM_Document>>::Iterator myIterator;
};

#endif // _CDF_DirectoryIterator_HeaderFile