diff options
Diffstat (limited to '3rdparty/asio/include/asio/detail/wrapped_handler.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/detail/wrapped_handler.hpp | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/detail/wrapped_handler.hpp b/3rdparty/asio/include/asio/detail/wrapped_handler.hpp new file mode 100644 index 00000000000..fce9abfab43 --- /dev/null +++ b/3rdparty/asio/include/asio/detail/wrapped_handler.hpp @@ -0,0 +1,217 @@ +// +// detail/wrapped_handler.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2024 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_WRAPPED_HANDLER_HPP +#define ASIO_DETAIL_WRAPPED_HANDLER_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/bind_handler.hpp" +#include "asio/detail/handler_cont_helpers.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +struct is_continuation_delegated +{ + template <typename Dispatcher, typename Handler> + bool operator()(Dispatcher&, Handler& handler) const + { + return asio_handler_cont_helpers::is_continuation(handler); + } +}; + +struct is_continuation_if_running +{ + template <typename Dispatcher, typename Handler> + bool operator()(Dispatcher& dispatcher, Handler&) const + { + return dispatcher.running_in_this_thread(); + } +}; + +template <typename Dispatcher, typename Handler, + typename IsContinuation = is_continuation_delegated> +class wrapped_handler +{ +public: + typedef void result_type; + + wrapped_handler(Dispatcher dispatcher, Handler& handler) + : dispatcher_(dispatcher), + handler_(static_cast<Handler&&>(handler)) + { + } + + wrapped_handler(const wrapped_handler& other) + : dispatcher_(other.dispatcher_), + handler_(other.handler_) + { + } + + wrapped_handler(wrapped_handler&& other) + : dispatcher_(other.dispatcher_), + handler_(static_cast<Handler&&>(other.handler_)) + { + } + + void operator()() + { + dispatcher_.dispatch(static_cast<Handler&&>(handler_)); + } + + void operator()() const + { + dispatcher_.dispatch(handler_); + } + + template <typename Arg1> + void operator()(const Arg1& arg1) + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1)); + } + + template <typename Arg1> + void operator()(const Arg1& arg1) const + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1)); + } + + template <typename Arg1, typename Arg2> + void operator()(const Arg1& arg1, const Arg2& arg2) + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2)); + } + + template <typename Arg1, typename Arg2> + void operator()(const Arg1& arg1, const Arg2& arg2) const + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2)); + } + + template <typename Arg1, typename Arg2, typename Arg3> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3) + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2, arg3)); + } + + template <typename Arg1, typename Arg2, typename Arg3> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3) const + { + dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2, arg3)); + } + + template <typename Arg1, typename Arg2, typename Arg3, typename Arg4> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, + const Arg4& arg4) + { + dispatcher_.dispatch( + detail::bind_handler(handler_, arg1, arg2, arg3, arg4)); + } + + template <typename Arg1, typename Arg2, typename Arg3, typename Arg4> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, + const Arg4& arg4) const + { + dispatcher_.dispatch( + detail::bind_handler(handler_, arg1, arg2, arg3, arg4)); + } + + template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, + typename Arg5> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, + const Arg4& arg4, const Arg5& arg5) + { + dispatcher_.dispatch( + detail::bind_handler(handler_, arg1, arg2, arg3, arg4, arg5)); + } + + template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, + typename Arg5> + void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, + const Arg4& arg4, const Arg5& arg5) const + { + dispatcher_.dispatch( + detail::bind_handler(handler_, arg1, arg2, arg3, arg4, arg5)); + } + +//private: + Dispatcher dispatcher_; + Handler handler_; +}; + +template <typename Handler, typename Context> +class rewrapped_handler +{ +public: + explicit rewrapped_handler(Handler& handler, const Context& context) + : context_(context), + handler_(static_cast<Handler&&>(handler)) + { + } + + explicit rewrapped_handler(const Handler& handler, const Context& context) + : context_(context), + handler_(handler) + { + } + + rewrapped_handler(const rewrapped_handler& other) + : context_(other.context_), + handler_(other.handler_) + { + } + + rewrapped_handler(rewrapped_handler&& other) + : context_(static_cast<Context&&>(other.context_)), + handler_(static_cast<Handler&&>(other.handler_)) + { + } + + void operator()() + { + handler_(); + } + + void operator()() const + { + handler_(); + } + +//private: + Context context_; + Handler handler_; +}; + +template <typename Dispatcher, typename Handler, typename IsContinuation> +inline bool asio_handler_is_continuation( + wrapped_handler<Dispatcher, Handler, IsContinuation>* this_handler) +{ + return IsContinuation()(this_handler->dispatcher_, this_handler->handler_); +} + +template <typename Dispatcher, typename Context> +inline bool asio_handler_is_continuation( + rewrapped_handler<Dispatcher, Context>* this_handler) +{ + return asio_handler_cont_helpers::is_continuation( + this_handler->context_); +} + +} // namespace detail +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // ASIO_DETAIL_WRAPPED_HANDLER_HPP |