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