include/opencascade/Plugin_Macro.hxx

0001 // Created on: 1997-03-04
0002 // Created by: Mister rmi
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Plugin_Macro_HeaderFile
0018 #define _Plugin_Macro_HeaderFile
0019
0020 #ifdef OCCT_NO_PLUGINS
0021   #define PLUGIN(name)
0022 #else
0023 //! Macro implementing C-style interface function to get factory object from the dynamically loaded library
0024 #define PLUGIN(name) \
0025 extern "C" Standard_EXPORT Standard_Transient* PLUGINFACTORY(const Standard_GUID& aGUID) { \
0026    return const_cast<Standard_Transient*>(name::Factory(aGUID).get()); \
0027 }
0028 #endif
0029
0030 #endif