forked from enlightenment/efl
118 lines
4.2 KiB
C++
118 lines
4.2 KiB
C++
#ifndef ELDBUS_PROXY_CALL_HH
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#define ELDBUS_PROXY_CALL_HH
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#include <Eina.hh>
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#include <eldbus_error.hh>
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#include <eldbus_signature_traits.hh>
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#include <eldbus_message_arguments.hh>
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#include <eldbus_message.hh>
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#include <eldbus_raw_tuple.hh>
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#include <eina_integer_sequence.hh>
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#include <eina_tuple_unwrap.hh>
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#include <tuple>
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#include <iostream>
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namespace efl { namespace eldbus { namespace _detail {
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template <typename T> struct tag {};
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template <typename Seq, typename Callback, std::size_t... I>
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void _on_call_impl(void* data, Eldbus_Message const* message, Eldbus_Pending* pending)
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{
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std::unique_ptr<Callback> callback(static_cast<Callback*>(data));
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const char* errname, *errmsg;
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if (eldbus_message_error_get(message, &errname, &errmsg))
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{
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Seq tuple_;
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::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
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eldbus::const_message msg(message);
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eina::error_code ec (eldbus::call_error_code(), eina::eina_error_category());
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eina::call_tuple_unwrap_prefix
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(*callback, tuple_, eina::make_index_sequence<std::tuple_size<Seq>::value>()
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, ec, msg, pending);
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}
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typename raw_tuple<Seq>::type tuple;
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if(std::tuple_size<Seq>::value)
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{
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if(!_detail::_init_raw_tuple<0u, Seq>
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(eldbus_message_iter_get(message)
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, tuple, std::integral_constant<bool, (std::tuple_size<Seq>::value == 0)>()))
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{
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Seq tuple_;
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::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
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eldbus::const_message msg(message);
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eina::error_code ec(eldbus::signature_mismatch_error_code(), eina::eina_error_category());
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eina::call_tuple_unwrap_prefix
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(*callback, tuple_, eina::make_index_sequence<std::tuple_size<Seq>::value>()
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, ec, msg, pending);
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}
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}
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eina::error_code ec;
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::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
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eldbus::const_message msg(message);
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eina::call_tuple_unwrap_prefix
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(*callback, tuple, eina::make_index_sequence<std::tuple_size<Seq>::value>()
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, ec, msg, pending);
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}
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template <typename Seq, typename Callback>
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void _on_call(void* data, Eldbus_Message const* message, Eldbus_Pending* pending)
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{
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_detail::_on_call_impl<Seq, Callback>(data, message, pending);
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}
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template <typename R, typename Callback, typename... Args>
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void proxy_call_impl2(Eldbus_Proxy* proxy, const char* method, double timeout
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, Callback&& callback, Args const&... args)
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{
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typedef std::tuple<Args...> tuple_args;
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char signature[signature_size<tuple_args>::value +1];
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_detail::init_signature_array<Args...>
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(signature, eina::make_index_sequence<signature_size<tuple_args>::value +1>());
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Callback* c = new Callback(std::forward<Callback>(callback));
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eldbus_proxy_call(proxy, method, &_on_call<R, Callback>, c, timeout, signature
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, _detail::to_raw(args)...);
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}
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template <typename R, typename Callback, typename... Args>
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void proxy_call_impl(tag<R>, Eldbus_Proxy* proxy, const char* method, double timeout
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, Callback&& callback, Args const&... args)
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{
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typedef std::tuple<R> reply_tuple;
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_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
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}
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template <typename... R, typename Callback, typename... Args>
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void proxy_call_impl(tag<std::tuple<R...> >, Eldbus_Proxy* proxy, const char* method, double timeout
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, Callback&& callback, Args const&... args)
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{
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typedef std::tuple<R...> reply_tuple;
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_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
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}
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template <typename Callback, typename... Args>
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void proxy_call_impl(tag<void>, Eldbus_Proxy* proxy, const char* method, double timeout
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, Callback&& callback, Args const&... args)
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{
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typedef std::tuple<> reply_tuple;
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_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
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}
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template <typename R, typename Callback, typename... Args>
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void proxy_call(Eldbus_Proxy* proxy, const char* method, double timeout
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, Callback&& callback, Args const&... args)
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{
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return proxy_call_impl(tag<R>(), proxy, method, timeout, std::forward<Callback>(callback), args...);
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}
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} } }
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#endif
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