registration.hpp

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/*
 * Copyright 2014-2019, CNRS
 * Copyright 2018-2019, INRIA
 */

#ifndef __eigenpy_registration_hpp__
#define __eigenpy_registration_hpp__

#include "eigenpy/fwd.hpp"

namespace eigenpy
{
  template<typename T>
  inline bool check_registration()
  {
    namespace bp = boost::python;
    
    const bp::type_info info = bp::type_id<T>();
    const bp::converter::registration* reg = bp::converter::registry::query(info);
    if (reg == NULL) return false;
    else if ((*reg).m_to_python == NULL) return false;
    
    return true;
  }
  
  template<typename T>
  inline bool register_symbolic_link_to_registered_type()
  {
    namespace bp = boost::python;

    if(eigenpy::check_registration<T>())
    {
      const bp::type_info info = bp::type_id<T>();
      const bp::converter::registration* reg = bp::converter::registry::query(info);
      bp::handle<> class_obj(reg->get_class_object());
      bp::scope().attr(reg->get_class_object()->tp_name) = bp::object(class_obj);
      return true;
    }
    
    return false;
  }
}

#endif // ifndef __eigenpy_registration_hpp__