PluginServiceV1.h

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/***********************************************************************************\
* (c) Copyright 2013-2025 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.                                             *
\***********************************************************************************/
#pragma once

 
#include <Gaudi/Details/PluginServiceDetailsV1.h>
#include <string>
#include <typeinfo>
#include <utility>
 
#define _PS_V1_DECLARE_FACTORY_WITH_ID( type, id, factory )                                                            \
  _PS_V1_INTERNAL_DECLARE_FACTORY( type, id, factory, __LINE__ )
 
#define _PS_V1_DECLARE_FACTORY( type, factory )                                                                        \
  _PS_V1_DECLARE_FACTORY_WITH_ID( type, ::Gaudi::PluginService::v1::Details::demangle<type>(), factory )
 
#define _PS_V1_DECLARE_FACTORY_WITH_CREATOR_AND_ID( type, typecreator, id, factory )                                   \
  _PS_V1_INTERNAL_DECLARE_FACTORY_WITH_CREATOR( type, typecreator, id, factory, __LINE__ )
 
#define _PS_V1_DECLARE_FACTORY_WITH_CREATOR( type, typecreator, factory )                                              \
  _PS_V1_DECLARE_FACTORY_WITH_CREATOR_AND_ID( type, typecreator,                                                       \
                                              ::Gaudi::PluginService::v1::Details::demangle<type>(), factory )
 
#define _PS_V1_DECLARE_COMPONENT( type ) _PS_V1_DECLARE_FACTORY( type, type::Factory )
 
#define _PS_V1_DECLARE_COMPONENT_WITH_ID( type, id ) _PS_V1_DECLARE_FACTORY_WITH_ID( type, id, type::Factory )
 
#if !GAUDI_PLUGIN_SERVICE_USE_V2
#  define DECLARE_FACTORY_WITH_ID( type, id, factory ) _PS_V1_DECLARE_FACTORY_WITH_ID( type, id, factory )
#  define DECLARE_FACTORY( type, factory ) _PS_V1_DECLARE_FACTORY( type, factory )
#  define DECLARE_FACTORY_WITH_CREATOR_AND_ID( type, typecreator, id, factory )                                        \
    _PS_V1_DECLARE_FACTORY_WITH_CREATOR_AND_ID( type, typecreator, id, factory )
#  define DECLARE_FACTORY_WITH_CREATOR( type, typecreator, factory )                                                   \
    _PS_V1_DECLARE_FACTORY_WITH_CREATOR( type, typecreator, factory )
#  define DECLARE_COMPONENT( type ) _PS_V1_DECLARE_COMPONENT( type )
#  define DECLARE_COMPONENT_WITH_ID( type, id ) _PS_V1_DECLARE_COMPONENT_WITH_ID( type, id )
#endif
 
namespace Gaudi {
  namespace PluginService {
    GAUDI_PLUGIN_SERVICE_V1_INLINE namespace v1 {
      template <typename R, typename... Args>
      class Factory {
      public:
        typedef R ReturnType;
        typedef R ( *FuncType )( Args&&... );
 
        static ReturnType create( const std::string& id, Args... args ) {
          const FuncType c = Details::getCreator<FuncType>( id );
          return c ? ( *c )( std::forward<Args>( args )... ) : 0;
        }
 
        template <typename T>
        static ReturnType create( const T& id, Args... args ) {
          std::ostringstream o;
          o << id;
          return create( o.str(), std::forward<Args>( args )... );
        }
      };
 
      class GAUDIPS_EXPORT Exception : public std::exception {
      public:
        Exception( std::string msg );
        ~Exception() throw() override;
        const char* what() const throw() override;
 
      private:
        std::string m_msg;
      };
    }
  } // namespace PluginService
} // namespace Gaudi