1 // Copyright David Abrahams 2002.

     2 // Distributed under the Boost Software License, Version 1.0. (See

     3 // accompanying file LICENSE_1_0.txt or copy at

     4 // http://www.boost.org/LICENSE_1_0.txt)

     5 #ifndef TUPLE_20020706_HPP

     6 #define TUPLE_20020706_HPP

     7 

     8 # include <boost/python/detail/prefix.hpp>

     9 

    10 #include <boost/python/object.hpp>

    11 #include <boost/python/converter/pytype_object_mgr_traits.hpp>

    12 #include <boost/preprocessor/enum_params.hpp>

    13 #include <boost/preprocessor/repetition/enum_binary_params.hpp>

    14 

    15 namespace boost { namespace python {

    16 

    17 namespace detail

    18 {

    19   struct BOOST_PYTHON_DECL tuple_base : object

    20   {

    21    protected:

    22       tuple_base();

    23       tuple_base(object_cref sequence);

    24       

    25       BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS(tuple_base, object)

    26 

    27    private:

    28       static detail::new_reference call(object const&);

    29   };

    30 }

    31 

    32 class tuple : public detail::tuple_base

    33 {

    34     typedef detail::tuple_base base;

    35  public:

    36     tuple() {}

    37 

    38     template <class T>

    39     explicit tuple(T const& sequence)

    40         : base(object(sequence))

    41     {

    42     }

    43 

    44  public: // implementation detail -- for internal use only

    45     BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS(tuple, base)

    46 };

    47 

    48 //

    49 // Converter Specializations    // $$$ JDG $$$ moved here to prevent

    50 //                              // G++ bug complaining specialization

    51                                 // provided after instantiation

    52 namespace converter

    53 {

    54   template <>

    55   struct object_manager_traits<tuple>

    56       : pytype_object_manager_traits<&PyTuple_Type,tuple>

    57   {

    58   };

    59 }

    60 

    61 // for completeness

    62 inline tuple make_tuple() { return tuple(); }

    63 

    64 # define BOOST_PP_ITERATION_PARAMS_1 (3, (1, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/make_tuple.hpp>))

    65 # include BOOST_PP_ITERATE()

    66 

    67 }}  // namespace boost::python

    68 

    69 #endif

    70