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1 | // Boost.Signals2 library |
2 | ||
3 | // Copyright Frank Mori Hess 2007-2009. | |
4 | // Copyright Timmo Stange 2007. | |
5 | // Copyright Douglas Gregor 2001-2004. Use, modification and | |
6 | // distribution is subject to the Boost Software License, Version | |
7 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt) | |
9 | ||
10 | // For more information, see http://www.boost.org | |
11 | ||
12 | #ifndef BOOST_SIGNALS2_PREPROCESSED_SLOT_HPP | |
13 | #define BOOST_SIGNALS2_PREPROCESSED_SLOT_HPP | |
14 | ||
15 | #include <boost/preprocessor/repetition.hpp> | |
16 | #include <boost/signals2/detail/preprocessed_arg_type.hpp> | |
17 | #include <boost/type_traits/function_traits.hpp> | |
18 | ||
19 | #ifndef BOOST_SIGNALS2_SLOT_MAX_BINDING_ARGS | |
20 | #define BOOST_SIGNALS2_SLOT_MAX_BINDING_ARGS 10 | |
21 | #endif | |
22 | ||
23 | ||
24 | // template<typename Func, typename BindArgT0, typename BindArgT1, ..., typename BindArgTN-1> slotN(... | |
25 | #define BOOST_SIGNALS2_SLOT_N_BINDING_CONSTRUCTOR(z, n, data) \ | |
26 | template<typename Func, BOOST_SIGNALS2_PREFIXED_ARGS_TEMPLATE_DECL(n, BindArg)> \ | |
27 | BOOST_SIGNALS2_SLOT_CLASS_NAME(BOOST_SIGNALS2_NUM_ARGS)( \ | |
28 | const Func &func, BOOST_SIGNALS2_PREFIXED_FULL_REF_ARGS(n, const BindArg)) \ | |
29 | { \ | |
30 | init_slot_function(boost::bind(func, BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(n))); \ | |
31 | } | |
32 | #define BOOST_SIGNALS2_SLOT_N_BINDING_CONSTRUCTORS \ | |
33 | BOOST_PP_REPEAT_FROM_TO(1, BOOST_SIGNALS2_SLOT_MAX_BINDING_ARGS, BOOST_SIGNALS2_SLOT_N_BINDING_CONSTRUCTOR, ~) | |
34 | ||
35 | ||
36 | #define BOOST_PP_ITERATION_LIMITS (0, BOOST_PP_INC(BOOST_SIGNALS2_MAX_ARGS)) | |
37 | #define BOOST_PP_FILENAME_1 <boost/signals2/detail/slot_template.hpp> | |
38 | #include BOOST_PP_ITERATE() | |
39 | ||
40 | #undef BOOST_SIGNALS2_SLOT_N_BINDING_CONSTRUCTOR | |
41 | #undef BOOST_SIGNALS2_SLOT_N_BINDING_CONSTRUCTORS | |
42 | ||
43 | namespace boost | |
44 | { | |
45 | namespace signals2 | |
46 | { | |
47 | template<typename Signature, | |
48 | typename SlotFunction = boost::function<Signature> > | |
49 | class slot: public detail::slotN<function_traits<Signature>::arity, | |
50 | Signature, SlotFunction>::type | |
51 | { | |
52 | private: | |
53 | typedef typename detail::slotN<boost::function_traits<Signature>::arity, | |
54 | Signature, SlotFunction>::type base_type; | |
55 | public: | |
56 | template<typename F> | |
57 | slot(const F& f): base_type(f) | |
58 | {} | |
59 | // bind syntactic sugar | |
60 | // template<typename F, typename BindArgT0, typename BindArgT1, ..., typename BindArgTn-1> slot(... | |
61 | #define BOOST_SIGNALS2_SLOT_BINDING_CONSTRUCTOR(z, n, data) \ | |
62 | template<typename Func, BOOST_SIGNALS2_PREFIXED_ARGS_TEMPLATE_DECL(n, BindArg)> \ | |
63 | slot(const Func &func, BOOST_SIGNALS2_PREFIXED_FULL_REF_ARGS(n, const BindArg)): \ | |
64 | base_type(func, BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(n)) \ | |
65 | {} | |
66 | BOOST_PP_REPEAT_FROM_TO(1, BOOST_SIGNALS2_SLOT_MAX_BINDING_ARGS, BOOST_SIGNALS2_SLOT_BINDING_CONSTRUCTOR, ~) | |
67 | #undef BOOST_SIGNALS2_SLOT_BINDING_CONSTRUCTOR | |
68 | }; | |
69 | } // namespace signals2 | |
70 | } | |
71 | ||
72 | #endif // BOOST_SIGNALS2_PREPROCESSED_SLOT_HPP |