1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
15 #include <IGESData_FileProtocol.hxx>
16 #include <IGESData_Protocol.hxx>
17 #include <Interface_Protocol.hxx>
18 #include <Standard_Type.hxx>
20 IMPLEMENT_STANDARD_RTTIEXT(IGESData_FileProtocol,IGESData_Protocol)
22 IGESData_FileProtocol::IGESData_FileProtocol () { }
24 void IGESData_FileProtocol::Add (const Handle(IGESData_Protocol)& protocol)
26 if (theresource.IsNull()) theresource = protocol;
27 else if (theresource->IsInstance(protocol->DynamicType())) return; // passer
28 else if (!thenext.IsNull()) thenext->Add(protocol);
30 thenext = new IGESData_FileProtocol;
31 thenext->Add(protocol);
35 Standard_Integer IGESData_FileProtocol::NbResources () const
37 Standard_Integer nb = (theresource.IsNull() ? 0 : 1);
38 if (!thenext.IsNull()) nb += thenext->NbResources();
42 Handle(Interface_Protocol) IGESData_FileProtocol::Resource
43 (const Standard_Integer num) const
45 Handle(IGESData_Protocol) res;
46 if (num == 1) return Handle(Interface_Protocol) (theresource);
47 else if (!thenext.IsNull()) return thenext->Resource(num-1);