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: tuple()36 tuple() {} 37 38 template <class T> tuple(T const & sequence)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 make_tuple()62inline 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 71