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|
//
// detail/bind_handler.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under 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)
//
#ifndef ASIO_DETAIL_BIND_HANDLER_HPP
#define ASIO_DETAIL_BIND_HANDLER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/associated_allocator.hpp"
#include "asio/associated_executor.hpp"
#include "asio/detail/handler_alloc_helpers.hpp"
#include "asio/detail/handler_cont_helpers.hpp"
#include "asio/detail/handler_invoke_helpers.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
template <typename Handler, typename Arg1>
class binder1
{
public:
template <typename T>
binder1(int, ASIO_MOVE_ARG(T) handler, const Arg1& arg1)
: handler_(ASIO_MOVE_CAST(T)(handler)),
arg1_(arg1)
{
}
binder1(Handler& handler, const Arg1& arg1)
: handler_(ASIO_MOVE_CAST(Handler)(handler)),
arg1_(arg1)
{
}
#if defined(ASIO_HAS_MOVE)
binder1(const binder1& other)
: handler_(other.handler_),
arg1_(other.arg1_)
{
}
binder1(binder1&& other)
: handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()()
{
handler_(static_cast<const Arg1&>(arg1_));
}
void operator()() const
{
handler_(arg1_);
}
//private:
Handler handler_;
Arg1 arg1_;
};
template <typename Handler, typename Arg1>
inline void* asio_handler_allocate(std::size_t size,
binder1<Handler, Arg1>* this_handler)
{
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename Handler, typename Arg1>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
binder1<Handler, Arg1>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
}
template <typename Handler, typename Arg1>
inline bool asio_handler_is_continuation(
binder1<Handler, Arg1>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1>
inline void asio_handler_invoke(Function& function,
binder1<Handler, Arg1>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1>
inline void asio_handler_invoke(const Function& function,
binder1<Handler, Arg1>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Handler, typename Arg1>
inline binder1<typename decay<Handler>::type, Arg1> bind_handler(
ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1)
{
return binder1<typename decay<Handler>::type, Arg1>(0,
ASIO_MOVE_CAST(Handler)(handler), arg1);
}
template <typename Handler, typename Arg1, typename Arg2>
class binder2
{
public:
template <typename T>
binder2(int, ASIO_MOVE_ARG(T) handler,
const Arg1& arg1, const Arg2& arg2)
: handler_(ASIO_MOVE_CAST(T)(handler)),
arg1_(arg1),
arg2_(arg2)
{
}
binder2(Handler& handler, const Arg1& arg1, const Arg2& arg2)
: handler_(ASIO_MOVE_CAST(Handler)(handler)),
arg1_(arg1),
arg2_(arg2)
{
}
#if defined(ASIO_HAS_MOVE)
binder2(const binder2& other)
: handler_(other.handler_),
arg1_(other.arg1_),
arg2_(other.arg2_)
{
}
binder2(binder2&& other)
: handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_)),
arg2_(ASIO_MOVE_CAST(Arg2)(other.arg2_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()()
{
handler_(static_cast<const Arg1&>(arg1_),
static_cast<const Arg2&>(arg2_));
}
void operator()() const
{
handler_(arg1_, arg2_);
}
//private:
Handler handler_;
Arg1 arg1_;
Arg2 arg2_;
};
template <typename Handler, typename Arg1, typename Arg2>
inline void* asio_handler_allocate(std::size_t size,
binder2<Handler, Arg1, Arg2>* this_handler)
{
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
binder2<Handler, Arg1, Arg2>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
inline bool asio_handler_is_continuation(
binder2<Handler, Arg1, Arg2>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1, typename Arg2>
inline void asio_handler_invoke(Function& function,
binder2<Handler, Arg1, Arg2>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1, typename Arg2>
inline void asio_handler_invoke(const Function& function,
binder2<Handler, Arg1, Arg2>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
inline binder2<typename decay<Handler>::type, Arg1, Arg2> bind_handler(
ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1, const Arg2& arg2)
{
return binder2<typename decay<Handler>::type, Arg1, Arg2>(0,
ASIO_MOVE_CAST(Handler)(handler), arg1, arg2);
}
#if defined(ASIO_HAS_MOVE)
template <typename Handler, typename Arg1>
class move_binder1
{
public:
move_binder1(int, ASIO_MOVE_ARG(Handler) handler,
ASIO_MOVE_ARG(Arg1) arg1)
: handler_(ASIO_MOVE_CAST(Handler)(handler)),
arg1_(ASIO_MOVE_CAST(Arg1)(arg1))
{
}
move_binder1(move_binder1&& other)
: handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_))
{
}
void operator()()
{
handler_(ASIO_MOVE_CAST(Arg1)(arg1_));
}
//private:
Handler handler_;
Arg1 arg1_;
};
template <typename Handler, typename Arg1>
inline void* asio_handler_allocate(std::size_t size,
move_binder1<Handler, Arg1>* this_handler)
{
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename Handler, typename Arg1>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
move_binder1<Handler, Arg1>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
}
template <typename Handler, typename Arg1>
inline bool asio_handler_is_continuation(
move_binder1<Handler, Arg1>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1>
inline void asio_handler_invoke(ASIO_MOVE_ARG(Function) function,
move_binder1<Handler, Arg1>* this_handler)
{
asio_handler_invoke_helpers::invoke(
ASIO_MOVE_CAST(Function)(function), this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
class move_binder2
{
public:
move_binder2(int, ASIO_MOVE_ARG(Handler) handler,
const Arg1& arg1, ASIO_MOVE_ARG(Arg2) arg2)
: handler_(ASIO_MOVE_CAST(Handler)(handler)),
arg1_(arg1),
arg2_(ASIO_MOVE_CAST(Arg2)(arg2))
{
}
move_binder2(move_binder2&& other)
: handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_)),
arg2_(ASIO_MOVE_CAST(Arg2)(other.arg2_))
{
}
void operator()()
{
handler_(static_cast<const Arg1&>(arg1_),
ASIO_MOVE_CAST(Arg2)(arg2_));
}
//private:
Handler handler_;
Arg1 arg1_;
Arg2 arg2_;
};
template <typename Handler, typename Arg1, typename Arg2>
inline void* asio_handler_allocate(std::size_t size,
move_binder2<Handler, Arg1, Arg2>* this_handler)
{
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
move_binder2<Handler, Arg1, Arg2>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
}
template <typename Handler, typename Arg1, typename Arg2>
inline bool asio_handler_is_continuation(
move_binder2<Handler, Arg1, Arg2>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename Handler, typename Arg1, typename Arg2>
inline void asio_handler_invoke(ASIO_MOVE_ARG(Function) function,
move_binder2<Handler, Arg1, Arg2>* this_handler)
{
asio_handler_invoke_helpers::invoke(
ASIO_MOVE_CAST(Function)(function), this_handler->handler_);
}
#endif // defined(ASIO_HAS_MOVE)
} // namespace detail
template <typename Handler, typename Arg1, typename Allocator>
struct associated_allocator<detail::binder1<Handler, Arg1>, Allocator>
{
typedef typename associated_allocator<Handler, Allocator>::type type;
static type get(const detail::binder1<Handler, Arg1>& h,
const Allocator& a = Allocator()) ASIO_NOEXCEPT
{
return associated_allocator<Handler, Allocator>::get(h.handler_, a);
}
};
template <typename Handler, typename Arg1, typename Arg2, typename Allocator>
struct associated_allocator<detail::binder2<Handler, Arg1, Arg2>, Allocator>
{
typedef typename associated_allocator<Handler, Allocator>::type type;
static type get(const detail::binder2<Handler, Arg1, Arg2>& h,
const Allocator& a = Allocator()) ASIO_NOEXCEPT
{
return associated_allocator<Handler, Allocator>::get(h.handler_, a);
}
};
template <typename Handler, typename Arg1, typename Executor>
struct associated_executor<detail::binder1<Handler, Arg1>, Executor>
{
typedef typename associated_executor<Handler, Executor>::type type;
static type get(const detail::binder1<Handler, Arg1>& h,
const Executor& ex = Executor()) ASIO_NOEXCEPT
{
return associated_executor<Handler, Executor>::get(h.handler_, ex);
}
};
template <typename Handler, typename Arg1, typename Arg2, typename Executor>
struct associated_executor<detail::binder2<Handler, Arg1, Arg2>, Executor>
{
typedef typename associated_executor<Handler, Executor>::type type;
static type get(const detail::binder2<Handler, Arg1, Arg2>& h,
const Executor& ex = Executor()) ASIO_NOEXCEPT
{
return associated_executor<Handler, Executor>::get(h.handler_, ex);
}
};
#if defined(ASIO_HAS_MOVE)
template <typename Handler, typename Arg1, typename Allocator>
struct associated_allocator<detail::move_binder1<Handler, Arg1>, Allocator>
{
typedef typename associated_allocator<Handler, Allocator>::type type;
static type get(const detail::move_binder1<Handler, Arg1>& h,
const Allocator& a = Allocator()) ASIO_NOEXCEPT
{
return associated_allocator<Handler, Allocator>::get(h.handler_, a);
}
};
template <typename Handler, typename Arg1, typename Arg2, typename Allocator>
struct associated_allocator<
detail::move_binder2<Handler, Arg1, Arg2>, Allocator>
{
typedef typename associated_allocator<Handler, Allocator>::type type;
static type get(const detail::move_binder2<Handler, Arg1, Arg2>& h,
const Allocator& a = Allocator()) ASIO_NOEXCEPT
{
return associated_allocator<Handler, Allocator>::get(h.handler_, a);
}
};
template <typename Handler, typename Arg1, typename Executor>
struct associated_executor<detail::move_binder1<Handler, Arg1>, Executor>
{
typedef typename associated_executor<Handler, Executor>::type type;
static type get(const detail::move_binder1<Handler, Arg1>& h,
const Executor& ex = Executor()) ASIO_NOEXCEPT
{
return associated_executor<Handler, Executor>::get(h.handler_, ex);
}
};
template <typename Handler, typename Arg1, typename Arg2, typename Executor>
struct associated_executor<detail::move_binder2<Handler, Arg1, Arg2>, Executor>
{
typedef typename associated_executor<Handler, Executor>::type type;
static type get(const detail::move_binder2<Handler, Arg1, Arg2>& h,
const Executor& ex = Executor()) ASIO_NOEXCEPT
{
return associated_executor<Handler, Executor>::get(h.handler_, ex);
}
};
#endif // defined(ASIO_HAS_MOVE)
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_DETAIL_BIND_HANDLER_HPP
|
