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//
// bind_handler.hpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 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 BOOST_ASIO_DETAIL_BIND_HANDLER_HPP
#define BOOST_ASIO_DETAIL_BIND_HANDLER_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/push_options.hpp>

#include <boost/asio/detail/handler_alloc_helpers.hpp>
#include <boost/asio/detail/handler_invoke_helpers.hpp>

namespace boost {
namespace asio {
namespace detail {

template <typename Handler, typename Arg1>
class binder1
{
public:
  binder1(const Handler& handler, const Arg1& arg1)
    : handler_(handler),
      arg1_(arg1)
  {
  }

  void operator()()
  {
    handler_(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 boost_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)
{
  boost_asio_handler_alloc_helpers::deallocate(
      pointer, size, &this_handler->handler_);
}

template <typename Function, typename Handler, typename Arg1>
inline void asio_handler_invoke(const Function& function,
    binder1<Handler, Arg1>* this_handler)
{
  boost_asio_handler_invoke_helpers::invoke(
      function, &this_handler->handler_);
}

template <typename Handler, typename Arg1>
inline binder1<Handler, Arg1> bind_handler(const Handler& handler,
    const Arg1& arg1)
{
  return binder1<Handler, Arg1>(handler, arg1);
}

template <typename Handler, typename Arg1, typename Arg2>
class binder2
{
public:
  binder2(const Handler& handler, const Arg1& arg1, const Arg2& arg2)
    : handler_(handler),
      arg1_(arg1),
      arg2_(arg2)
  {
  }

  void operator()()
  {
    handler_(arg1_, 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 boost_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)
{
  boost_asio_handler_alloc_helpers::deallocate(
      pointer, size, &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)
{
  boost_asio_handler_invoke_helpers::invoke(
      function, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2>
inline binder2<Handler, Arg1, Arg2> bind_handler(const Handler& handler,
    const Arg1& arg1, const Arg2& arg2)
{
  return binder2<Handler, Arg1, Arg2>(handler, arg1, arg2);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
class binder3
{
public:
  binder3(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
      const Arg3& arg3)
    : handler_(handler),
      arg1_(arg1),
      arg2_(arg2),
      arg3_(arg3)
  {
  }

  void operator()()
  {
    handler_(arg1_, arg2_, arg3_);
  }

  void operator()() const
  {
    handler_(arg1_, arg2_, arg3_);
  }

//private:
  Handler handler_;
  Arg1 arg1_;
  Arg2 arg2_;
  Arg3 arg3_;
};

template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
inline void* asio_handler_allocate(std::size_t size,
    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
{
  return boost_asio_handler_alloc_helpers::allocate(
      size, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
{
  boost_asio_handler_alloc_helpers::deallocate(
      pointer, size, &this_handler->handler_);
}

template <typename Function, typename Handler, typename Arg1, typename Arg2,
    typename Arg3>
inline void asio_handler_invoke(const Function& function,
    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
{
  boost_asio_handler_invoke_helpers::invoke(
      function, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
inline binder3<Handler, Arg1, Arg2, Arg3> bind_handler(const Handler& handler,
    const Arg1& arg1, const Arg2& arg2, const Arg3& arg3)
{
  return binder3<Handler, Arg1, Arg2, Arg3>(handler, arg1, arg2, arg3);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4>
class binder4
{
public:
  binder4(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
      const Arg3& arg3, const Arg4& arg4)
    : handler_(handler),
      arg1_(arg1),
      arg2_(arg2),
      arg3_(arg3),
      arg4_(arg4)
  {
  }

  void operator()()
  {
    handler_(arg1_, arg2_, arg3_, arg4_);
  }

  void operator()() const
  {
    handler_(arg1_, arg2_, arg3_, arg4_);
  }

//private:
  Handler handler_;
  Arg1 arg1_;
  Arg2 arg2_;
  Arg3 arg3_;
  Arg4 arg4_;
};

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4>
inline void* asio_handler_allocate(std::size_t size,
    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
{
  return boost_asio_handler_alloc_helpers::allocate(
      size, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
{
  boost_asio_handler_alloc_helpers::deallocate(
      pointer, size, &this_handler->handler_);
}

template <typename Function, typename Handler, typename Arg1, typename Arg2,
    typename Arg3, typename Arg4>
inline void asio_handler_invoke(const Function& function,
    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
{
  boost_asio_handler_invoke_helpers::invoke(
      function, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4>
inline binder4<Handler, Arg1, Arg2, Arg3, Arg4> bind_handler(
    const Handler& handler, const Arg1& arg1, const Arg2& arg2,
    const Arg3& arg3, const Arg4& arg4)
{
  return binder4<Handler, Arg1, Arg2, Arg3, Arg4>(handler, arg1, arg2, arg3,
      arg4);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4, typename Arg5>
class binder5
{
public:
  binder5(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
      const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
    : handler_(handler),
      arg1_(arg1),
      arg2_(arg2),
      arg3_(arg3),
      arg4_(arg4),
      arg5_(arg5)
  {
  }

  void operator()()
  {
    handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
  }

  void operator()() const
  {
    handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
  }

//private:
  Handler handler_;
  Arg1 arg1_;
  Arg2 arg2_;
  Arg3 arg3_;
  Arg4 arg4_;
  Arg5 arg5_;
};

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4, typename Arg5>
inline void* asio_handler_allocate(std::size_t size,
    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
{
  return boost_asio_handler_alloc_helpers::allocate(
      size, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4, typename Arg5>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
{
  boost_asio_handler_alloc_helpers::deallocate(
      pointer, size, &this_handler->handler_);
}

template <typename Function, typename Handler, typename Arg1, typename Arg2,
    typename Arg3, typename Arg4, typename Arg5>
inline void asio_handler_invoke(const Function& function,
    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
{
  boost_asio_handler_invoke_helpers::invoke(
      function, &this_handler->handler_);
}

template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
    typename Arg4, typename Arg5>
inline binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5> bind_handler(
    const Handler& handler, const Arg1& arg1, const Arg2& arg2,
    const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
{
  return binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>(handler, arg1, arg2,
      arg3, arg4, arg5);
}

} // namespace detail
} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_DETAIL_BIND_HANDLER_HPP
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