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+//
+// detail/base_from_completion_cond.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2012 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_BASE_FROM_COMPLETION_COND_HPP
+#define BOOST_ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/completion_condition.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+template <typename CompletionCondition>
+class base_from_completion_cond
+{
+protected:
+ explicit base_from_completion_cond(CompletionCondition completion_condition)
+ : completion_condition_(completion_condition)
+ {
+ }
+
+ std::size_t check_for_completion(
+ const boost::system::error_code& ec,
+ std::size_t total_transferred)
+ {
+ return detail::adapt_completion_condition_result(
+ completion_condition_(ec, total_transferred));
+ }
+
+private:
+ CompletionCondition completion_condition_;
+};
+
+template <>
+class base_from_completion_cond<transfer_all_t>
+{
+protected:
+ explicit base_from_completion_cond(transfer_all_t)
+ {
+ }
+
+ static std::size_t check_for_completion(
+ const boost::system::error_code& ec,
+ std::size_t total_transferred)
+ {
+ return transfer_all_t()(ec, total_transferred);
+ }
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP