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359 lines
13 KiB
C++
359 lines
13 KiB
C++
// Boost.Signals library
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// Copyright Douglas Gregor 2001-2006. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// For more information, see http://www.boost.org/libs/signals
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#ifndef BOOST_SIGNAL_HPP
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#define BOOST_SIGNAL_HPP
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#ifndef BOOST_SIGNALS_MAX_ARGS
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# define BOOST_SIGNALS_MAX_ARGS 10
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#endif
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#include <boost/config.hpp>
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#include <boost/type_traits/function_traits.hpp>
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#include <boost/signals/signal0.hpp>
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#include <boost/signals/signal1.hpp>
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#include <boost/signals/signal2.hpp>
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#include <boost/signals/signal3.hpp>
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#include <boost/signals/signal4.hpp>
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#include <boost/signals/signal5.hpp>
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#include <boost/signals/signal6.hpp>
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#include <boost/signals/signal7.hpp>
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#include <boost/signals/signal8.hpp>
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#include <boost/signals/signal9.hpp>
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#include <boost/signals/signal10.hpp>
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#include <boost/function.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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#ifndef BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX
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namespace BOOST_SIGNALS_NAMESPACE {
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namespace detail {
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template<int Arity,
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typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl;
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<0, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal0<typename traits::result_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<1, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal1<typename traits::result_type,
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typename traits::arg1_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<2, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal2<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<3, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal3<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<4, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal4<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<5, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal5<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<6, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal6<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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typename traits::arg6_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<7, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal7<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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typename traits::arg6_type,
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typename traits::arg7_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<8, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal8<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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typename traits::arg6_type,
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typename traits::arg7_type,
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typename traits::arg8_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<9, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal9<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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typename traits::arg6_type,
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typename traits::arg7_type,
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typename traits::arg8_type,
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typename traits::arg9_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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class real_get_signal_impl<10, Signature, Combiner, Group, GroupCompare,
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SlotFunction>
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{
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typedef function_traits<Signature> traits;
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public:
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typedef signal10<typename traits::result_type,
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typename traits::arg1_type,
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typename traits::arg2_type,
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typename traits::arg3_type,
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typename traits::arg4_type,
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typename traits::arg5_type,
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typename traits::arg6_type,
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typename traits::arg7_type,
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typename traits::arg8_type,
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typename traits::arg9_type,
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typename traits::arg10_type,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction> type;
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};
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template<typename Signature,
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typename Combiner,
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typename Group,
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typename GroupCompare,
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typename SlotFunction>
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struct get_signal_impl :
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public real_get_signal_impl<(function_traits<Signature>::arity),
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Signature,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction>
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{
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};
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} // end namespace detail
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} // end namespace BOOST_SIGNALS_NAMESPACE
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// Very lightweight wrapper around the signalN classes that allows signals to
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// be created where the number of arguments does not need to be part of the
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// class name.
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template<
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typename Signature, // function type R (T1, T2, ..., TN)
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typename Combiner = last_value<typename function_traits<Signature>::result_type>,
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typename Group = int,
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typename GroupCompare = std::less<Group>,
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typename SlotFunction = function<Signature>
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>
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class signal :
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public BOOST_SIGNALS_NAMESPACE::detail::get_signal_impl<Signature,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction>::type
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{
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typedef typename BOOST_SIGNALS_NAMESPACE::detail::get_signal_impl<
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Signature,
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Combiner,
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Group,
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GroupCompare,
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SlotFunction>::type base_type;
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public:
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explicit signal(const Combiner& combiner = Combiner(),
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const GroupCompare& group_compare = GroupCompare()) :
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base_type(combiner, group_compare)
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{
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}
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};
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#endif // ndef BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX
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} // end namespace boost
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_SIGNAL_HPP
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