TypeConverter.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id$
#ifndef D3PDMAKERUTILS_TYPECONVERTER_H
#define D3PDMAKERUTILS_TYPECONVERTER_H
 
 
#include "GaudiKernel/StatusCode.h"
#include <typeinfo>
#include <cassert>
#include <vector>
namespace SG {
  class BaseInfoBase;
}
 
 
namespace D3PD {
 
 
class TypeConverter
{
public:
  TypeConverter();
 
 
  StatusCode init (const std::type_info& src_ti,
                   const std::type_info& dst_ti);
 
 
  StatusCode init (const std::type_info& src_ti,
                   const std::vector<const std::type_info*>& dst_tis,
                   size_t& which);
 
 
  template <typename T>
  StatusCode init (const std::type_info& src_ti);
 
 
  const void* convertUntyped (const void* p) const;
 
 
  template <class T>
  const T* convert (const void* p) const;
 
 
  bool isValid() const;
 
 
  const std::type_info& srcTypeinfo() const;
 
 
  const std::type_info& dstTypeinfo() const;
 
  std::string srcName() const;
 
  std::string dstName() const;
 
 
private:
  StatusCode tryInit (const std::type_info& src_ti,
                      const std::type_info& dst_ti);
 
 
  const std::type_info* m_srcTypeinfo;
 
  const std::type_info* m_dstTypeinfo;
 
  const SG::BaseInfoBase* m_srcBIB;
 
  const SG::BaseInfoBase* m_dstBIB;
 
  enum Strategy {
    INVALID,
 
    IDENTICAL,
 
    SRC_BASE,
 
    DST_BASE
  };
 
  Strategy m_strategy;
};
 
 
} // namespace D3PD
 
 
#include "D3PDMakerUtils/TypeConverter.icc"
 
 
#endif // not D3PDUTILS_TYPECONVERTER_H