OCCT

// Created on: 1997-08-07
// 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.

#include <CDF_Directory.hxx>
#include <CDF_DirectoryIterator.hxx>
#include <CDM_Document.hxx>
#include <NCollection_List.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Standard_Type.hxx>

IMPLEMENT_STANDARD_RTTIEXT(CDF_Directory, Standard_Transient)

CDF_Directory::CDF_Directory() = default;

void CDF_Directory::Add(const occ::handle<CDM_Document>& aDocument)
{
  if (!Contains(aDocument))
  {
    myDocuments.Append(aDocument);
  }
}

void CDF_Directory::Remove(const occ::handle<CDM_Document>& aDocument)
{
  for (NCollection_List<occ::handle<CDM_Document>>::Iterator it(myDocuments); it.More(); it.Next())
  {
    if (aDocument == it.Value())
    {
      myDocuments.Remove(it);
      break;
    }
  }
}

bool CDF_Directory::Contains(const occ::handle<CDM_Document>& aDocument) const
{
  for (NCollection_List<occ::handle<CDM_Document>>::Iterator it(myDocuments); it.More(); it.Next())
  {
    if (aDocument == it.Value())
    {
      return true;
    }
  }
  return false;
}

int CDF_Directory::Length() const
{
  return myDocuments.Extent();
}

const NCollection_List<occ::handle<CDM_Document>>& CDF_Directory::List() const
{

  return myDocuments;
}

bool CDF_Directory::IsEmpty() const
{
  return myDocuments.IsEmpty();
}

occ::handle<CDM_Document> CDF_Directory::Last()
{
  Standard_NoSuchObject_Raise_if(
    IsEmpty(),
    "CDF_Directory::Last: the directory does not contain any document");
  return myDocuments.Last();
}