ceph/src/boost/libs/python/include/boost/python/converter/shared_ptr_to_python.hpp

   1 // Copyright David Abrahams 2003.
   2 // Copyright Stefan Seefeld 2016.
   3 // Distributed under the Boost Software License, Version 1.0. (See
   4 // accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #ifndef boost_python_converter_shared_ptr_to_python_hpp_
   8 #define boost_python_converter_shared_ptr_to_python_hpp_
   9
  10 #include <boost/python/refcount.hpp>
  11 #include <boost/python/converter/shared_ptr_deleter.hpp>
  12 #include <boost/shared_ptr.hpp>
  13 #include <boost/get_pointer.hpp>
  14
  15 namespace boost { namespace python { namespace converter {
  16
  17 template <class T>
  18 PyObject* shared_ptr_to_python(shared_ptr<T> const& x)
  19 {
  20     if (!x)
  21         return python::detail::none();
  22     else if (shared_ptr_deleter* d = boost::get_deleter<shared_ptr_deleter>(x))
  23         return incref( get_pointer( d->owner ) );
  24     else
  25         return converter::registered<shared_ptr<T> const&>::converters.to_python(&x);
  26 }
  27
  28 #if __cplusplus >= 201103L
  29 template <class T>
  30 PyObject* shared_ptr_to_python(std::shared_ptr<T> const& x)
  31 {
  32   if (!x)
  33     return python::detail::none();
  34   else if (shared_ptr_deleter* d = std::get_deleter<shared_ptr_deleter>(x))
  35     return incref(get_pointer(d->owner));
  36   else
  37     return converter::registered<std::shared_ptr<T> const&>::converters.to_python(&x);
  38 }
  39 #endif
  40
  41 }}} // namespace boost::python::converter
  42
  43 #endif