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Diffstat (limited to 'boost/signals/signal_template.hpp')
| -rw-r--r-- | boost/signals/signal_template.hpp | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/boost/signals/signal_template.hpp b/boost/signals/signal_template.hpp deleted file mode 100644 index 94e1d1aad3..0000000000 --- a/boost/signals/signal_template.hpp +++ /dev/null @@ -1,401 +0,0 @@ -// Boost.Signals library - -// Copyright Douglas Gregor 2001-2004. Use, modification and -// distribution is subject to the Boost Software License, Version -// 1.0. (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) - -// For more information, see http://www.boost.org - -// This file intentionally does not have include guards, because it is meant -// to be included multiple times (one for each signalN class). The -// BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED macro merely serves to -// suppress reinclusion of the files that this header depends on. - -#ifndef BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED -#define BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED -# include <boost/config.hpp> -# include <boost/signals/connection.hpp> -# include <boost/ref.hpp> -# include <boost/signals/slot.hpp> -# include <boost/last_value.hpp> -# include <boost/signals/detail/signal_base.hpp> -# include <boost/signals/detail/slot_call_iterator.hpp> -# include <boost/mpl/bool.hpp> -# include <boost/type_traits/is_convertible.hpp> -# include <cassert> -# include <functional> -# include <memory> -#endif // !BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED - -#ifdef BOOST_HAS_ABI_HEADERS -# include BOOST_ABI_PREFIX -#endif - -// Include the appropriate functionN header -#define BOOST_SIGNAL_FUNCTION_N_HEADER BOOST_JOIN(<boost/function/function,BOOST_SIGNALS_NUM_ARGS.hpp>) -#include BOOST_SIGNAL_FUNCTION_N_HEADER - -// Determine if a comma should follow a listing of the arguments/parameters -#if BOOST_SIGNALS_NUM_ARGS == 0 -# define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS -#else -# define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS , -#endif // BOOST_SIGNALS_NUM_ARGS > 0 - -// Define class names used -#define BOOST_SIGNALS_SIGNAL BOOST_JOIN(signal,BOOST_SIGNALS_NUM_ARGS) -#define BOOST_SIGNALS_FUNCTION BOOST_JOIN(function,BOOST_SIGNALS_NUM_ARGS) -#define BOOST_SIGNALS_ARGS_STRUCT BOOST_JOIN(args,BOOST_SIGNALS_NUM_ARGS) -#define BOOST_SIGNALS_CALL_BOUND BOOST_JOIN(call_bound,BOOST_SIGNALS_NUM_ARGS) - -// Define commonly-used instantiations -#define BOOST_SIGNALS_ARGS_STRUCT_INST \ - BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS> - -namespace boost { - namespace BOOST_SIGNALS_NAMESPACE { - namespace detail { - // Holds the arguments for a bound slot call in a single place - template<BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Dummy = int> - struct BOOST_SIGNALS_ARGS_STRUCT { - BOOST_SIGNALS_ARGS_STRUCT(BOOST_SIGNALS_COPY_PARMS) - BOOST_SIGNALS_INIT_ARGS - { - } - - BOOST_SIGNALS_ARGS_AS_MEMBERS - }; - - // Function object that calls the function object given to it, passing - // the bound arguments along to that underlying function object - template<typename R> - struct BOOST_SIGNALS_CALL_BOUND { - template<BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename F> - struct caller { - typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>* - args_type; - - args_type args; - - typedef R result_type; - - caller() {} - caller(args_type a) : args(a) {} - - template<typename Pair> - R operator()(const Pair& slot) const - { - F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second)); - return (*target)(BOOST_SIGNALS_BOUND_ARGS); - } - }; - }; - - template<> - struct BOOST_SIGNALS_CALL_BOUND<void> { - template<BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename F> - struct caller { - typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>* - args_type; - - args_type args; - - typedef unusable result_type; - - caller(args_type a) : args(a) {} - - template<typename Pair> - unusable operator()(const Pair& slot) const - { - F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second)); - (*target)(BOOST_SIGNALS_BOUND_ARGS); - return unusable(); - } - }; - }; - } // namespace detail - } // namespace BOOST_SIGNALS_NAMESPACE - - // The actual signalN class - template< - typename R, - BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Combiner = last_value<R>, - typename Group = int, - typename GroupCompare = std::less<Group>, - typename SlotFunction = BOOST_SIGNALS_FUNCTION< - R BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - BOOST_SIGNALS_TEMPLATE_ARGS> - > - class BOOST_SIGNALS_SIGNAL : - public BOOST_SIGNALS_NAMESPACE::detail::signal_base, // management of slot list - public BOOST_SIGNALS_NAMESPACE::trackable // signals are trackable - { - public: - // The slot function type - typedef SlotFunction slot_function_type; - - // Result type of a slot - typedef typename BOOST_SIGNALS_NAMESPACE::detail::slot_result_type<R>::type - slot_result_type; - - // Argument types - BOOST_SIGNALS_ARG_TYPES - -#if BOOST_SIGNALS_NUM_ARGS == 1 - typedef T1 argument_type; -#elif BOOST_SIGNALS_NUM_ARGS == 2 - typedef T1 first_argument_type; - typedef T2 second_argument_type; -#endif - - private: - // The real slot name comparison object type - typedef BOOST_SIGNALS_NAMESPACE::detail::group_bridge_compare<GroupCompare, Group> - real_group_compare_type; - - // The function object passed to the slot call iterator that will call - // the underlying slot function with its arguments bound - typedef BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_CALL_BOUND<R> - outer_bound_slot_caller; - typedef typename outer_bound_slot_caller::template - caller<BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - slot_function_type> - call_bound_slot; - - public: - // Combiner's result type - typedef typename Combiner::result_type result_type; - - // Combiner type - typedef Combiner combiner_type; - - // Slot type - typedef slot<slot_function_type> slot_type; - - // Slot name type and comparison - typedef Group group_type; - typedef GroupCompare group_compare_type; - - typedef BOOST_SIGNALS_NAMESPACE::detail::slot_call_iterator< - call_bound_slot, iterator> slot_call_iterator; - - explicit - BOOST_SIGNALS_SIGNAL(const Combiner& c = Combiner(), - const GroupCompare& comp = GroupCompare()) : - BOOST_SIGNALS_NAMESPACE::detail::signal_base(real_group_compare_type(comp), - c) - { - } - - // Connect a slot to this signal - BOOST_SIGNALS_NAMESPACE::connection - connect(const slot_type&, - BOOST_SIGNALS_NAMESPACE::connect_position at - = BOOST_SIGNALS_NAMESPACE::at_back); - - - BOOST_SIGNALS_NAMESPACE::connection - connect(const group_type&, const slot_type&, - BOOST_SIGNALS_NAMESPACE::connect_position at - = BOOST_SIGNALS_NAMESPACE::at_back); - - template<typename T> - void disconnect(const T& t) - { - typedef mpl::bool_<(is_convertible<T, group_type>::value)> is_group; - this->do_disconnect(t, is_group()); - } - - private: - // Disconnect a named slot - void do_disconnect(const group_type& group, mpl::bool_<true>) - { - impl->disconnect(group); - } - - template<typename Function> - void do_disconnect(const Function& f, mpl::bool_<false>) - { - // Notify the slot handling code that we are iterating through the slots - BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl); - - for (iterator i = impl->slots_.begin(); i != impl->slots_.end(); ++i) { - slot_function_type& s = *unsafe_any_cast<slot_function_type>(&i->second); - if (s == f) i->first.disconnect(); - } - } - - public: - - // Emit the signal - result_type operator()(BOOST_SIGNALS_PARMS); - result_type operator()(BOOST_SIGNALS_PARMS) const; - - Combiner& combiner() - { return *unsafe_any_cast<Combiner>(&impl->combiner_); } - - const Combiner& combiner() const - { return *unsafe_any_cast<const Combiner>(&impl->combiner_); } - }; - - template< - typename R, - BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Combiner, - typename Group, - typename GroupCompare, - typename SlotFunction - > - BOOST_SIGNALS_NAMESPACE::connection - BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction - >::connect(const slot_type& in_slot, - BOOST_SIGNALS_NAMESPACE::connect_position at) - { - using boost::BOOST_SIGNALS_NAMESPACE::detail::stored_group; - - // If the slot has been disconnected, just return a disconnected - // connection - if (!in_slot.is_active()) { - return BOOST_SIGNALS_NAMESPACE::connection(); - } - - return impl->connect_slot(in_slot.get_slot_function(), stored_group(), - in_slot.get_data(), at); - } - - template< - typename R, - BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Combiner, - typename Group, - typename GroupCompare, - typename SlotFunction - > - BOOST_SIGNALS_NAMESPACE::connection - BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction - >::connect(const group_type& group, - const slot_type& in_slot, - BOOST_SIGNALS_NAMESPACE::connect_position at) - { - // If the slot has been disconnected, just return a disconnected - // connection - if (!in_slot.is_active()) { - return BOOST_SIGNALS_NAMESPACE::connection(); - } - - return impl->connect_slot(in_slot.get_slot_function(), group, - in_slot.get_data(), at); - } - - template< - typename R, - BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Combiner, - typename Group, - typename GroupCompare, - typename SlotFunction - > - typename BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction>::result_type - BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction - >::operator()(BOOST_SIGNALS_PARMS) - { - // Notify the slot handling code that we are making a call - BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl); - - // Construct a function object that will call the underlying slots - // with the given arguments. -#if BOOST_SIGNALS_NUM_ARGS == 0 - BOOST_SIGNALS_ARGS_STRUCT_INST args; -#else - BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS); -#endif // BOOST_SIGNALS_NUM_ARGS > 0 - call_bound_slot f(&args); - - typedef typename call_bound_slot::result_type call_result_type; - optional<call_result_type> cache; - // Let the combiner call the slots via a pair of input iterators - return combiner()(slot_call_iterator(notification.impl->slots_.begin(), - impl->slots_.end(), f, cache), - slot_call_iterator(notification.impl->slots_.end(), - impl->slots_.end(), f, cache)); - } - - template< - typename R, - BOOST_SIGNALS_TEMPLATE_PARMS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - typename Combiner, - typename Group, - typename GroupCompare, - typename SlotFunction - > - typename BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction>::result_type - BOOST_SIGNALS_SIGNAL< - R, BOOST_SIGNALS_TEMPLATE_ARGS - BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - Combiner, Group, GroupCompare, SlotFunction - >::operator()(BOOST_SIGNALS_PARMS) const - { - // Notify the slot handling code that we are making a call - BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl); - - // Construct a function object that will call the underlying slots - // with the given arguments. -#if BOOST_SIGNALS_NUM_ARGS == 0 - BOOST_SIGNALS_ARGS_STRUCT_INST args; -#else - BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS); -#endif // BOOST_SIGNALS_NUM_ARGS > 0 - - call_bound_slot f(&args); - - typedef typename call_bound_slot::result_type call_result_type; - optional<call_result_type> cache; - - // Let the combiner call the slots via a pair of input iterators - return combiner()(slot_call_iterator(notification.impl->slots_.begin(), - impl->slots_.end(), f, cache), - slot_call_iterator(notification.impl->slots_.end(), - impl->slots_.end(), f, cache)); - } -} // namespace boost - -#undef BOOST_SIGNAL_FUNCTION_N_HEADER -#undef BOOST_SIGNALS_ARGS_STRUCT_INST -#undef BOOST_SIGNALS_CALL_BOUND -#undef BOOST_SIGNALS_ARGS_STRUCT -#undef BOOST_SIGNALS_FUNCTION -#undef BOOST_SIGNALS_SIGNAL -#undef BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS - -#ifdef BOOST_HAS_ABI_HEADERS -# include BOOST_ABI_SUFFIX -#endif |