Interface.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, CERN does not waive the privileges and immunities       *
* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
\***********************************************************************************/
// ============================================================================
#ifndef GAUDIPYTHON_INTERFACE_H
#define GAUDIPYTHON_INTERFACE_H 1
// ============================================================================
// Include files
// ============================================================================
// STD & STL
// ============================================================================
#include <functional>
// ============================================================================
// GaudiKernel
// ============================================================================
#include "GaudiKernel/IInterface.h"
#include "GaudiKernel/SmartIF.h"
// ============================================================================
// GaudiPython
// ============================================================================
#include "GaudiPython/GaudiPython.h"
// ============================================================================

namespace GaudiPython {
  template <class TYPE>
  struct Interface {
    TYPE* operator()( const IInterface* in ) const {
      return SmartIF<TYPE>( TYPE::interfaceID(), const_cast<IInterface*>( in ) );
    }

    static TYPE* cast( const IInterface* in ) { return SmartIF<TYPE>( const_cast<IInterface*>( in ) ); }

    static TYPE* cast( const InterfaceID& iid, const IInterface* in ) {
      return SmartIF<TYPE>( iid, const_cast<IInterface*>( in ) );
    }
  };

  template <>
  struct Interface<IInterface> {
    typedef IInterface TYPE;
    TYPE* operator()( const IInterface* in ) const { return SmartIF<TYPE>( const_cast<IInterface*>( in ) ); }

    static TYPE* cast( const IInterface* in ) { return SmartIF<TYPE>( const_cast<IInterface*>( in ) ); }

    static TYPE* cast( const InterfaceID& /* iid */, const IInterface* in ) {
      return SmartIF<TYPE>( const_cast<IInterface*>( in ) );
    }
  };

} // end of namespace GaudiPython

#endif // GAUDIPYTHON_INTERFACE_H