forked from enlightenment/efl
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#ifndef ELDBUS_CXX_ELDBUS_MESSAGE_ARGUMENTS_HH
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#define ELDBUS_CXX_ELDBUS_MESSAGE_ARGUMENTS_HH
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#include <Eldbus.h>
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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 <std::size_t I, typename Seq, typename Tuple>
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bool _init_raw_tuple(Eldbus_Message_Iter*, Tuple const&, std::true_type)
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{
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return true;
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}
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template <std::size_t I, typename Seq, typename Tuple>
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bool _init_raw_tuple(Eldbus_Message_Iter* iterator, Tuple const& tuple, std::false_type)
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{
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typedef signature_traits<typename std::tuple_element<I, Seq>::type> traits;
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typedef typename traits::value_type element_type;
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char* c = eldbus_message_iter_signature_get(iterator);
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if(c[0] != signature_traits<element_type>::sig)
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{
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return false;
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}
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eldbus_message_iter_get_and_next(iterator, *c, &std::get<I>(tuple));
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return _init_raw_tuple<I+1, Seq>
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(iterator, tuple, std::integral_constant<bool, (I+1 == std::tuple_size<Tuple>::value)>());
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}
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template <std::size_t I, typename Tuple>
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bool _append_tuple(Eldbus_Message*, Tuple const&, std::true_type)
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{
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return true;
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}
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template <std::size_t I, typename Tuple>
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bool _append_tuple(Eldbus_Message* message, Tuple const& tuple, std::false_type)
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{
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typedef signature_traits<typename std::tuple_element<I, Tuple>::type> traits;
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char signature[2] = {traits::sig, 0};
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if(!eldbus_message_arguments_append(message, signature, traits::to_raw(std::get<I>(tuple))))
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return false;
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return _append_tuple<I+1>
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(message, tuple, std::integral_constant<bool, (I+1 == std::tuple_size<Tuple>::value)>());
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}
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} } }
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#endif
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