0031687: Draw Harness, ViewerTest - extend command vrenderparams with option updating...

[occt.git] / src / LibCtl / LibCtl_Node.gxx

// Copyright (c) 1998-1999 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 <LibCtl_Node.ixx>


//  Classe generique imbriquee dans Library : utilisee pour construire la
//  listes de Modules d une librairie  (cf Library pour plus de details)
//  (En fait : Liste de Global Nodes -> Module + Protocol)

LibCtl_Node::LibCtl_Node ()    {  }

    void LibCtl_Node::AddNode (const Handle(LibCtl_GlobalNode)& anode)
{
  if (thenode == anode) return;
  if (thenext.IsNull()) {
    if (thenode.IsNull()) thenode = anode;
    else {
      thenext = new LibCtl_Node;
      thenext->AddNode (anode);
    }
  }
  else thenext->AddNode (anode);
}


    const Handle(TheModule)&   LibCtl_Node::Module () const
      {  return thenode->Module();  }

    const Handle(TheProtocol)& LibCtl_Node::Protocol () const
      {  return thenode->Protocol();  }

    const Handle(LibCtl_Node)& LibCtl_Node::Next () const
      {  return thenext;  }