impl/conversion.hpp

100.0% Lines (18/18) 95.8% List of functions (69/73)
conversion.hpp
f(x) Functions (73)
Function Calls Lines Blocks
unsigned long boost::json::detail::try_size<std::array<int, 4ul> const&>(std::array<int, 4ul> const&, std::integral_constant<int, 3>) :125 4x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::array<int, 500ul>&>(std::array<int, 500ul>&, std::integral_constant<int, 3>) :125 12x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<boost::core::basic_string_view<char>, int, std::less<boost::core::basic_string_view<char> >, std::allocator<std::pair<boost::core::basic_string_view<char> const, int> > >&>(std::map<boost::core::basic_string_view<char>, int, std::less<boost::core::basic_string_view<char> >, std::allocator<std::pair<boost::core::basic_string_view<char> const, int> > >&, std::integral_constant<int, 3>) :125 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >&>(std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >&, std::integral_constant<int, 3>) :125 12x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, double, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, double> > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, double, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, double> > > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > const&, std::integral_constant<int, 3>) :125 9x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 3>) :125 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<int, bool>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<int, bool> > > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<int, bool>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<int, bool> > > > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<int, bool>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<int, bool> > > >&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<int, bool>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<int, bool> > > >&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<int, std::allocator<int> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::vector<int, std::allocator<int> > > > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<int, std::allocator<int> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::vector<int, std::allocator<int> > > > > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > > const&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > > const&, std::integral_constant<int, 3>) :125 3x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, user_ns2::ip_address, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, user_ns2::ip_address> > >&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, user_ns2::ip_address, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, user_ns2::ip_address> > >&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, user_ns::ip_address, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, user_ns::ip_address> > >&>(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, user_ns::ip_address, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, user_ns::ip_address> > >&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::multimap<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&>(std::multimap<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 3>) :125 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::unordered_map<int, int, std::hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >&>(std::unordered_map<int, int, std::hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >&, std::integral_constant<int, 3>) :125 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&>(std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 3>) :125 12x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<bool, std::allocator<bool> > const&>(std::vector<bool, std::allocator<bool> > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<bool, std::allocator<bool> >&>(std::vector<bool, std::allocator<bool> >&, std::integral_constant<int, 3>) :125 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<boost::json::my_app::customer, std::allocator<boost::json::my_app::customer> >&>(std::vector<boost::json::my_app::customer, std::allocator<boost::json::my_app::customer> >&, std::integral_constant<int, 3>) :125 0 0.0% 0.0% unsigned long boost::json::detail::try_size<std::vector<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&>(std::vector<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<decltype(nullptr), std::allocator<decltype(nullptr)> > const&>(std::vector<decltype(nullptr), std::allocator<decltype(nullptr)> > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<float, std::allocator<float> > const&>(std::vector<float, std::allocator<float> > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<int, std::allocator<int> > const&>(std::vector<int, std::allocator<int> > const&, std::integral_constant<int, 3>) :125 14x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<int, std::allocator<int> >&>(std::vector<int, std::allocator<int> >&, std::integral_constant<int, 3>) :125 11x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&>(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::array<int, 4ul>, std::allocator<std::array<int, 4ul> > > const&>(std::vector<std::array<int, 4ul>, std::allocator<std::array<int, 4ul> > > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::allocator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > const&>(std::vector<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::allocator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > const&>(std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > const&, std::integral_constant<int, 3>) :125 7x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::pair<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, user_ns::ip_address>, std::allocator<std::pair<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, user_ns::ip_address> > >&>(std::vector<std::pair<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, user_ns::ip_address>, std::allocator<std::pair<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, user_ns::ip_address> > >&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&>(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, std::integral_constant<int, 3>) :125 2x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::allocator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > const&>(std::vector<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::allocator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > const&, std::integral_constant<int, 3>) :125 3x 100.0% 100.0% unsigned long boost::json::detail::try_size<std::vector<unsigned long, std::allocator<unsigned long> > const&>(std::vector<unsigned long, std::allocator<unsigned long> > const&, std::integral_constant<int, 3>) :125 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<value_from_test_ns::T6>(value_from_test_ns::T6&, std::integral_constant<int, 2>) :132 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<int, 4ul>(int (&) [4ul], std::integral_constant<int, 1>) :139 1x 100.0% 100.0% unsigned long boost::json::detail::try_size<int [4]>(int (&) [4], std::integral_constant<int, 0>) :146 6x 100.0% 100.0% unsigned long boost::json::detail::try_size<value_from_test_ns::T1>(value_from_test_ns::T1&, std::integral_constant<int, 0>) :146 1x 100.0% 100.0% decltype (begin((declval<std::array<int, 4ul>&>)())) boost::json::detail::inserter<std::array<int, 4ul> >(std::array<int, 4ul>&, std::integral_constant<int, 2>) :164 50x 100.0% 100.0% decltype (begin((declval<std::array<int, 500ul>&>)())) boost::json::detail::inserter<std::array<int, 500ul> >(std::array<int, 500ul>&, std::integral_constant<int, 2>) :164 6x 100.0% 100.0% decltype (begin((declval<value_to_test_ns::T4&>)())) boost::json::detail::inserter<value_to_test_ns::T4>(value_to_test_ns::T4&, std::integral_constant<int, 2>) :164 0 0.0% 0.0% std::back_insert_iterator<std::vector<bool, std::allocator<bool> > > boost::json::detail::inserter<std::vector<bool, std::allocator<bool> > >(std::vector<bool, std::allocator<bool> >&, std::integral_constant<int, 1>) :173 36x 100.0% 100.0% std::back_insert_iterator<std::vector<boost::json::my_app::customer, std::allocator<boost::json::my_app::customer> > > boost::json::detail::inserter<std::vector<boost::json::my_app::customer, std::allocator<boost::json::my_app::customer> > >(std::vector<boost::json::my_app::customer, std::allocator<boost::json::my_app::customer> >&, std::integral_constant<int, 1>) :173 0 0.0% 0.0% std::back_insert_iterator<std::vector<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > boost::json::detail::inserter<std::vector<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > >(std::vector<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::variant2::variant<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >&, std::integral_constant<int, 1>) :173 15x 100.0% 100.0% std::back_insert_iterator<std::vector<char, std::allocator<char> > > boost::json::detail::inserter<std::vector<char, std::allocator<char> > >(std::vector<char, std::allocator<char> >&, std::integral_constant<int, 1>) :173 2x 100.0% 100.0% std::back_insert_iterator<std::vector<decltype(nullptr), std::allocator<decltype(nullptr)> > > boost::json::detail::inserter<std::vector<decltype(nullptr), std::allocator<decltype(nullptr)> > >(std::vector<decltype(nullptr), std::allocator<decltype(nullptr)> >&, std::integral_constant<int, 1>) :173 15x 100.0% 100.0% std::back_insert_iterator<std::vector<float, std::allocator<float> > > boost::json::detail::inserter<std::vector<float, std::allocator<float> > >(std::vector<float, std::allocator<float> >&, std::integral_constant<int, 1>) :173 30x 100.0% 100.0% std::back_insert_iterator<std::vector<int, std::allocator<int> > > boost::json::detail::inserter<std::vector<int, std::allocator<int> > >(std::vector<int, std::allocator<int> >&, std::integral_constant<int, 1>) :173 195x 100.0% 100.0% std::back_insert_iterator<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > boost::json::detail::inserter<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&, std::integral_constant<int, 1>) :173 30x 100.0% 100.0% std::back_insert_iterator<std::vector<std::array<int, 4ul>, std::allocator<std::array<int, 4ul> > > > boost::json::detail::inserter<std::vector<std::array<int, 4ul>, std::allocator<std::array<int, 4ul> > > >(std::vector<std::array<int, 4ul>, std::allocator<std::array<int, 4ul> > >&, std::integral_constant<int, 1>) :173 15x 100.0% 100.0% std::back_insert_iterator<std::vector<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::allocator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > > boost::json::detail::inserter<std::vector<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::allocator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > > >(std::vector<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >, std::allocator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > >&, std::integral_constant<int, 1>) :173 15x 100.0% 100.0% std::back_insert_iterator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > boost::json::detail::inserter<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >(std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >&, std::integral_constant<int, 1>) :173 112x 100.0% 100.0% std::back_insert_iterator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > boost::json::detail::inserter<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >&, std::integral_constant<int, 1>) :173 32x 100.0% 100.0% std::back_insert_iterator<std::vector<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::allocator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > > boost::json::detail::inserter<std::vector<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::allocator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > > >(std::vector<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >, std::allocator<std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > > >&, std::integral_constant<int, 1>) :173 45x 100.0% 100.0% std::back_insert_iterator<std::vector<unsigned long, std::allocator<unsigned long> > > boost::json::detail::inserter<std::vector<unsigned long, std::allocator<unsigned long> > >(std::vector<unsigned long, std::allocator<unsigned long> >&, std::integral_constant<int, 1>) :173 15x 100.0% 100.0% std::back_insert_iterator<std::vector<value_to_test_ns::T2, std::allocator<value_to_test_ns::T2> > > boost::json::detail::inserter<std::vector<value_to_test_ns::T2, std::allocator<value_to_test_ns::T2> > >(std::vector<value_to_test_ns::T2, std::allocator<value_to_test_ns::T2> >&, std::integral_constant<int, 1>) :173 12x 100.0% 100.0% std::insert_iterator<std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > > > boost::json::detail::inserter<std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > > >(std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >&, std::integral_constant<int, 0>) :182 6x 100.0% 100.0% std::insert_iterator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > boost::json::detail::inserter<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > >(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 0>) :182 12x 100.0% 100.0% std::insert_iterator<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, value_to_test_ns::T2, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, value_to_test_ns::T2> > > > boost::json::detail::inserter<std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, value_to_test_ns::T2, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, value_to_test_ns::T2> > > >(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, value_to_test_ns::T2, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, value_to_test_ns::T2> > >&, std::integral_constant<int, 0>) :182 12x 100.0% 100.0% std::insert_iterator<std::multimap<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > boost::json::detail::inserter<std::multimap<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > >(std::multimap<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 0>) :182 6x 100.0% 100.0% std::insert_iterator<std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > > boost::json::detail::inserter<std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > > >(std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, int> > >&, std::integral_constant<int, 0>) :182 6x 100.0% 100.0% <unknown function 486> :486 boost::json::detail::supported_context<user_ns::as_iso_8601, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const&, std::integral_constant<bool, true> >::get(user_ns::as_iso_8601 const&) :486 3x 100.0% 100.0% boost::json::detail::supported_context<user_ns::as_iso_8601, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >&, std::integral_constant<bool, true> >::get(user_ns::as_iso_8601 const&) :486 5x 100.0% 100.0% boost::json::detail::supported_context<user_ns::as_string, user_ns::ip_address const&, std::integral_constant<bool, true> >::get(user_ns::as_string const&) :486 3x 100.0% 100.0% boost::json::detail::supported_context<user_ns::as_string, user_ns::ip_address&, std::integral_constant<bool, true> >::get(user_ns::as_string const&) :486 7x 100.0% 100.0% boost::json::detail::supported_context<user_ns::as_string, user_ns::ip_address, std::integral_constant<bool, false> >::get(user_ns::as_string const&) :486 1x 100.0% 100.0% boost::json::detail::supported_context<user_ns::date_format, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >&, std::integral_constant<bool, true> >::get(user_ns::date_format const&) :486 1x 100.0% 100.0% boost::json::detail::supported_context<user_ns::maps_as_objects, std::map<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, user_ns::ip_address, std::less<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > >, std::allocator<std::pair<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const, user_ns::ip_address> > >&, std::integral_constant<bool, true> >::get(user_ns::maps_as_objects const&) :486 1x 100.0% 100.0% boost::json::detail::supported_context<value_from_test_ns::another_context, std::vector<value_from_test_ns::T12, std::allocator<value_from_test_ns::T12> >, std::integral_constant<bool, true> >::get(value_from_test_ns::another_context const&) :486 1x 100.0% 100.0% boost::json::detail::supported_context<value_from_test_ns::another_context, value_from_test_ns::T13, std::integral_constant<bool, true> >::get(value_from_test_ns::another_context const&) :486 2x 100.0% 100.0% boost::json::detail::supported_context<value_from_test_ns::custom_context, value_from_test_ns::T12 const&, std::integral_constant<bool, true> >::get(value_from_test_ns::custom_context const&) :486 2x 100.0% 100.0% boost::json::detail::supported_context<value_from_test_ns::custom_context, value_from_test_ns::T12, std::integral_constant<bool, true> >::get(value_from_test_ns::custom_context const&) :486 2x 100.0% 100.0% boost::json::detail::supported_context<value_to_test_ns::custom_context, value_to_test_ns::T9, std::integral_constant<bool, false> >::get(value_to_test_ns::custom_context const&) :486 2x 100.0% 100.0%
Line TLA Hits Source Code
1 //
2 // Copyright (c) 2020 Krystian Stasiowski (sdkrystian@gmail.com)
3 // Copyright (c) 2022 Dmitry Arkhipov (grisumbras@yandex.ru)
4 //
5 // Distributed under the Boost Software License, Version 1.0. (See accompanying
6 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // Official repository: https://github.com/boostorg/json
9 //
10
11 #ifndef BOOST_JSON_IMPL_CONVERSION_HPP
12 #define BOOST_JSON_IMPL_CONVERSION_HPP
13
14 #include <boost/json/fwd.hpp>
15 #include <boost/json/string_view.hpp>
16 #include <boost/describe/enumerators.hpp>
17 #include <boost/describe/members.hpp>
18 #include <boost/describe/bases.hpp>
19 #include <boost/mp11/algorithm.hpp>
20 #include <boost/mp11/utility.hpp>
21 #include <boost/system/result.hpp>
22
23 #include <iterator>
24 #include <tuple>
25 #include <utility>
26 #ifndef BOOST_NO_CXX17_HDR_VARIANT
27 # include <variant>
28 #endif // BOOST_NO_CXX17_HDR_VARIANT
29
30 namespace boost {
31 namespace json {
32
33 class value_ref;
34
35 namespace detail {
36
37 #ifdef __cpp_lib_nonmember_container_access
38 using std::size;
39 #endif
40
41 template<std::size_t I, class T>
42 using tuple_element_t = typename std::tuple_element<I, T>::type;
43
44 template<class T>
45 using iterator_type = decltype(std::begin(std::declval<T&>()));
46 template<class T>
47 using iterator_traits = std::iterator_traits< iterator_type<T> >;
48
49 template<class T>
50 using value_type = typename iterator_traits<T>::value_type;
51 template<class T>
52 using mapped_type = tuple_element_t< 1, value_type<T> >;
53
54 // had to make the metafunction always succeeding in order to make it work
55 // with msvc 14.0
56 template<class T>
57 using key_type_helper = tuple_element_t< 0, value_type<T> >;
58 template<class T>
59 using key_type = mp11::mp_eval_or<
60 void,
61 key_type_helper,
62 T>;
63
64 template<class T>
65 using are_begin_and_end_same = std::is_same<
66 iterator_type<T>,
67 decltype(std::end(std::declval<T&>()))>;
68
69 // msvc 14.0 gets confused when std::is_same is used directly
70 template<class A, class B>
71 using is_same_msvc_140 = std::is_same<A, B>;
72 template<class T>
73 using is_its_own_value = is_same_msvc_140<value_type<T>, T>;
74
75 template<class T>
76 using not_its_own_value = mp11::mp_not< is_its_own_value<T> >;
77
78 template<class T>
79 using begin_iterator_category = typename std::iterator_traits<
80 iterator_type<T>>::iterator_category;
81
82 template<class T>
83 using has_positive_tuple_size = mp11::mp_bool<
84 (std::tuple_size<T>::value > 0) >;
85
86 template<class T>
87 using has_unique_keys = has_positive_tuple_size<decltype(
88 std::declval<T&>().emplace(
89 std::declval<value_type<T>>()))>;
90
91 template<class T>
92 using has_string_type = std::is_same<
93 typename T::string_type, std::basic_string<typename T::value_type> >;
94
95 template<class T>
96 struct is_value_type_pair_helper : std::false_type
97 { };
98 template<class T1, class T2>
99 struct is_value_type_pair_helper<std::pair<T1, T2>> : std::true_type
100 { };
101 template<class T>
102 using is_value_type_pair = is_value_type_pair_helper<value_type<T>>;
103
104 template<class T>
105 using has_size_member_helper
106 = std::is_convertible<decltype(std::declval<T&>().size()), std::size_t>;
107 template<class T>
108 using has_size_member = mp11::mp_valid_and_true<has_size_member_helper, T>;
109 template<class T>
110 using has_free_size_helper
111 = std::is_convertible<
112 decltype(size(std::declval<T const&>())),
113 std::size_t>;
114 template<class T>
115 using has_free_size = mp11::mp_valid_and_true<has_free_size_helper, T>;
116 template<class T>
117 using size_implementation = mp11::mp_cond<
118 has_size_member<T>, mp11::mp_int<3>,
119 has_free_size<T>, mp11::mp_int<2>,
120 std::is_array<T>, mp11::mp_int<1>,
121 mp11::mp_true, mp11::mp_int<0>>;
122
123 template<class T>
124 std::size_t
125 141x try_size(T&& cont, mp11::mp_int<3>)
126 {
127 141x return cont.size();
128 }
129
130 template<class T>
131 std::size_t
132 1x try_size(T& cont, mp11::mp_int<2>)
133 {
134 1x return size(cont);
135 }
136
137 template<class T, std::size_t N>
138 std::size_t
139 1x try_size(T(&)[N], mp11::mp_int<1>)
140 {
141 1x return N;
142 }
143
144 template<class T>
145 std::size_t
146 7x try_size(T&, mp11::mp_int<0>)
147 {
148 7x return 0;
149 }
150
151 template<class T>
152 using has_push_back_helper
153 = decltype(std::declval<T&>().push_back(std::declval<value_type<T>>()));
154 template<class T>
155 using has_push_back = mp11::mp_valid<has_push_back_helper, T>;
156 template<class T>
157 using inserter_implementation = mp11::mp_cond<
158 is_tuple_like<T>, mp11::mp_int<2>,
159 has_push_back<T>, mp11::mp_int<1>,
160 mp11::mp_true, mp11::mp_int<0>>;
161
162 template<class T>
163 iterator_type<T>
164 56x inserter(
165 T& target,
166 mp11::mp_int<2>)
167 {
168 56x return target.begin();
169 }
170
171 template<class T>
172 std::back_insert_iterator<T>
173 569x inserter(
174 T& target,
175 mp11::mp_int<1>)
176 {
177 569x return std::back_inserter(target);
178 }
179
180 template<class T>
181 std::insert_iterator<T>
182 62x inserter(
183 T& target,
184 mp11::mp_int<0>)
185 {
186 62x return std::inserter( target, target.end() );
187 }
188
189 using value_from_conversion = mp11::mp_true;
190 using value_to_conversion = mp11::mp_false;
191
192 using user_category = std::integral_constant<
193 conversion_category, conversion_category::user>;
194 using user_context_category = std::integral_constant<
195 conversion_category, conversion_category::user_context>;
196 using user_full_context_category = std::integral_constant<
197 conversion_category, conversion_category::user_full_context>;
198 using json_value_category = std::integral_constant<
199 conversion_category, conversion_category::json_value>;
200 using json_object_category = std::integral_constant<
201 conversion_category, conversion_category::json_object>;
202 using json_array_category = std::integral_constant<
203 conversion_category, conversion_category::json_array>;
204 using json_string_category = std::integral_constant<
205 conversion_category, conversion_category::json_string>;
206 using json_value_ref_category = std::integral_constant<
207 conversion_category, conversion_category::json_value_ref>;
208
209 template< class Cat >
210 using is_user_conversion = mp11::mp_bool<
211 Cat::value == conversion_category::user
212 || Cat::value == conversion_category::user_context
213 || Cat::value == conversion_category::user_full_context>;
214
215 template< class Cat >
216 using is_native_conversion = mp11::mp_bool<
217 Cat::value == conversion_category::user
218 || Cat::value == conversion_category::json_value
219 || Cat::value == conversion_category::json_object
220 || Cat::value == conversion_category::json_array
221 || Cat::value == conversion_category::json_string
222 || Cat::value == conversion_category::json_value_ref
223 || Cat::value == conversion_category::boolean
224 || Cat::value == conversion_category::integer
225 || Cat::value == conversion_category::floating_point>;
226
227 template<class... Args>
228 using supports_tag_invoke = decltype(tag_invoke( std::declval<Args>()... ));
229
230 template<class T>
231 using has_user_conversion_from_impl = supports_tag_invoke<
232 value_from_tag, value&, T&& >;
233 template<class T>
234 using has_user_conversion_to_impl = supports_tag_invoke<
235 value_to_tag<T>, value const& >;
236 template<class T>
237 using has_nonthrowing_user_conversion_to_impl = supports_tag_invoke<
238 try_value_to_tag<T>, value const& >;
239 template< class T, class Dir >
240 using has_user_conversion1 = mp11::mp_if<
241 std::is_same<Dir, value_from_conversion>,
242 mp11::mp_valid<has_user_conversion_from_impl, T>,
243 mp11::mp_or<
244 mp11::mp_valid<has_user_conversion_to_impl, T>,
245 mp11::mp_valid<has_nonthrowing_user_conversion_to_impl, T>>>;
246
247 template< class Ctx, class T >
248 using has_context_conversion_from_impl = supports_tag_invoke<
249 value_from_tag, value&, T&&, Ctx const& >;
250 template< class Ctx, class T >
251 using has_context_conversion_to_impl = supports_tag_invoke<
252 value_to_tag<T>, value const&, Ctx const& >;
253 template< class Ctx, class T >
254 using has_nonthrowing_context_conversion_to_impl = supports_tag_invoke<
255 try_value_to_tag<T>, value const&, Ctx const& >;
256 template< class Ctx, class T, class Dir >
257 using has_user_conversion2 = mp11::mp_if<
258 std::is_same<Dir, value_from_conversion>,
259 mp11::mp_valid<has_context_conversion_from_impl, Ctx, T>,
260 mp11::mp_or<
261 mp11::mp_valid<has_context_conversion_to_impl, Ctx, T>,
262 mp11::mp_valid<has_nonthrowing_context_conversion_to_impl, Ctx, T>>>;
263
264 template< class Ctx, class T >
265 using has_full_context_conversion_from_impl = supports_tag_invoke<
266 value_from_tag, value&, T&&, Ctx const&, Ctx const& >;
267 template< class Ctx, class T >
268 using has_full_context_conversion_to_impl = supports_tag_invoke<
269 value_to_tag<T>, value const&, Ctx const&, Ctx const& >;
270 template< class Ctx, class T >
271 using has_nonthrowing_full_context_conversion_to_impl = supports_tag_invoke<
272 try_value_to_tag<T>, value const&, Ctx const&, Ctx const& >;
273 template< class Ctx, class T, class Dir >
274 using has_user_conversion3 = mp11::mp_if<
275 std::is_same<Dir, value_from_conversion>,
276 mp11::mp_valid<has_full_context_conversion_from_impl, Ctx, T>,
277 mp11::mp_or<
278 mp11::mp_valid<has_full_context_conversion_to_impl, Ctx, T>,
279 mp11::mp_valid<
280 has_nonthrowing_full_context_conversion_to_impl, Ctx, T>>>;
281
282 template< class T >
283 using described_non_public_members = describe::describe_members<
284 T,
285 describe::mod_private
286 | describe::mod_protected
287 | boost::describe::mod_inherited>;
288
289 #if defined(BOOST_MSVC) && BOOST_MSVC < 1920
290
291 template< class T >
292 struct described_member_t_impl;
293
294 template< class T, class C >
295 struct described_member_t_impl<T C::*>
296 {
297 using type = T;
298 };
299
300 template< class T, class D >
301 using described_member_t = remove_cvref<
302 typename described_member_t_impl<
303 remove_cvref<decltype(D::pointer)> >::type>;
304
305 #else
306
307 template< class T, class D >
308 using described_member_t = remove_cvref<decltype(
309 std::declval<T&>().* D::pointer )>;
310
311 #endif
312
313 template< class T >
314 using described_members = describe::describe_members<
315 T, describe::mod_any_access | describe::mod_inherited>;
316
317 #ifdef BOOST_DESCRIBE_CXX14
318
319 constexpr
320 bool
321 compare_strings(char const* l, char const* r)
322 {
323 #if defined(_MSC_VER) && (_MSC_VER <= 1900) && !defined(__clang__)
324 return *l == *r && ( (*l == 0) | compare_strings(l + 1, r + 1) );
325 #else
326 do
327 {
328 if( *l != *r )
329 return false;
330 if( *l == 0 )
331 return true;
332 ++l;
333 ++r;
334 } while(true);
335 #endif
336 }
337
338 template< class L, class R >
339 struct equal_member_names
340 : mp11::mp_bool< compare_strings(L::name, R::name) >
341 {};
342
343 template< class T >
344 using uniquely_named_members = mp11::mp_same<
345 mp11::mp_unique_if< described_members<T>, equal_member_names >,
346 described_members<T> >;
347
348 #else
349
350 // we only check this in C++14, but the template should exist nevertheless
351 template< class T >
352 using uniquely_named_members = std::true_type;
353
354 #endif // BOOST_DESCRIBE_CXX14
355
356 // user conversion (via tag_invoke)
357 template< class Ctx, class T, class Dir >
358 using user_conversion_category = mp11::mp_cond<
359 has_user_conversion3<Ctx, T, Dir>, user_full_context_category,
360 has_user_conversion2<Ctx, T, Dir>, user_context_category,
361 has_user_conversion1<T, Dir>, user_category>;
362
363 // native conversions (constructors and member functions of value)
364 template< class T >
365 using native_conversion_category = mp11::mp_cond<
366 std::is_same<T, value_ref>, json_value_ref_category,
367 std::is_same<T, value>, json_value_category,
368 std::is_same<T, array>, json_array_category,
369 std::is_same<T, object>, json_object_category,
370 std::is_same<T, string>, json_string_category>;
371
372 template< class T >
373 using conversion_category_t = std::integral_constant<
374 conversion_category, conversion_category_of<T>::value>;
375
376 template< class T >
377 using nested_type = typename T::type;
378 template< class T1, class T2 >
379 using extended_conversion_category_impl_helper = mp11::mp_eval_if_not<
380 std::is_same<unknown_category, T1>,
381 T1,
382 mp11::mp_eval_or_q, T1, mp11::mp_quote<nested_type>, T2>;
383 template< class Ctx, class T, class Dir >
384 struct extended_conversion_category_impl
385 {
386 using type = mp11::mp_fold<
387 mp11::mp_list<
388 mp11::mp_defer<user_conversion_category, Ctx, T, Dir>,
389 mp11::mp_defer<native_conversion_category, T>,
390 mp11::mp_defer<conversion_category_t, T>>,
391 unknown_category,
392 extended_conversion_category_impl_helper>;
393 };
394 template< class Ctx, class T, class Dir >
395 using extended_conversion_category =
396 typename extended_conversion_category_impl<Ctx, T, Dir>::type;
397
398 template< class T >
399 using any_conversion_tag = mp11::mp_not< std::is_same<T, unknown_category> >;
400
401 template< class T, class Dir, class... Ctxs >
402 struct extended_conversion_category_impl< std::tuple<Ctxs...>, T, Dir >
403 {
404 using ctxs = mp11::mp_list< remove_cvref<Ctxs>... >;
405 using cats = mp11::mp_list<
406 extended_conversion_category<remove_cvref<Ctxs>, T, Dir>... >;
407
408 template< class I >
409 using exists = mp11::mp_less< I, mp11::mp_size<cats> >;
410
411 using context2 = mp11::mp_find< cats, user_full_context_category >;
412 using context1 = mp11::mp_find< cats, user_context_category >;
413 using context0 = mp11::mp_find< cats, user_category >;
414 using index = mp11::mp_cond<
415 exists<context2>, context2,
416 exists<context1>, context1,
417 exists<context0>, context0,
418 mp11::mp_true, mp11::mp_find_if< cats, any_conversion_tag > >;
419 using type = mp11::mp_eval_or<
420 unknown_category,
421 mp11::mp_at, cats, index >;
422 };
423
424 struct no_context
425 {};
426
427 template <class T, class Dir>
428 using can_convert = mp11::mp_not<
429 std::is_same<
430 detail::extended_conversion_category<no_context, T, Dir>,
431 unknown_category>>;
432
433 template<class Impl1, class Impl2>
434 using conversion_round_trips_helper = mp11::mp_or<
435 std::is_same<Impl1, Impl2>,
436 is_user_conversion<Impl1>,
437 is_user_conversion<Impl2>>;
438 template< class Ctx, class T, class Dir >
439 using conversion_round_trips = conversion_round_trips_helper<
440 extended_conversion_category<Ctx, T, Dir>,
441 extended_conversion_category<Ctx, T, mp11::mp_not<Dir>>>;
442
443 template< class T1, class T2 >
444 struct copy_cref_helper
445 {
446 using type = remove_cvref<T2>;
447 };
448 template< class T1, class T2 >
449 using copy_cref = typename copy_cref_helper< T1, T2 >::type;
450
451 template< class T1, class T2 >
452 struct copy_cref_helper<T1 const, T2>
453 {
454 using type = remove_cvref<T2> const;
455 };
456 template< class T1, class T2 >
457 struct copy_cref_helper<T1&, T2>
458 {
459 using type = copy_cref<T1, T2>&;
460 };
461 template< class T1, class T2 >
462 struct copy_cref_helper<T1&&, T2>
463 {
464 using type = copy_cref<T1, T2>&&;
465 };
466
467 template< class Rng, class Traits >
468 using forwarded_value_helper = mp11::mp_if<
469 std::is_convertible<
470 typename Traits::reference,
471 copy_cref<Rng, typename Traits::value_type> >,
472 copy_cref<Rng, typename Traits::value_type>,
473 typename Traits::value_type >;
474
475 template< class Rng >
476 using forwarded_value = forwarded_value_helper<
477 Rng, iterator_traits< Rng > >;
478
479 template< class Ctx, class T, class Dir >
480 struct supported_context
481 {
482 using type = Ctx;
483
484 static
485 type const&
486 32x get( Ctx const& ctx ) noexcept
487 {
488 32x return ctx;
489 }
490 };
491
492 template< class T, class Dir, class... Ctxs >
493 struct supported_context< std::tuple<Ctxs...>, T, Dir >
494 {
495 using Ctx = std::tuple<Ctxs...>;
496 using impl = extended_conversion_category_impl<Ctx, T, Dir>;
497 using index = typename impl::index;
498 using next_supported = supported_context<
499 mp11::mp_at< typename impl::ctxs, index >, T, Dir >;
500 using type = typename next_supported::type;
501
502 static
503 type const&
504 19x get( Ctx const& ctx ) noexcept
505 {
506 19x return next_supported::get( std::get<index::value>( ctx ) );
507 }
508 };
509
510 template< class T >
511 using value_result_type = typename std::decay<
512 decltype( std::declval<T&>().value() )>::type;
513
514 template< class T >
515 using can_reset = decltype( std::declval<T&>().reset() );
516
517 template< class T >
518 using has_valueless_by_exception =
519 decltype( std::declval<T const&>().valueless_by_exception() );
520
521 } // namespace detail
522
523 template <class T>
524 struct result_for<T, value>
525 {
526 using type = system::result< detail::remove_cvref<T> >;
527 };
528
529 template<class T>
530 struct is_string_like
531 : std::is_convertible<T, string_view>
532 { };
533
534 template<class T>
535 struct is_path_like
536 : mp11::mp_all<
537 mp11::mp_valid_and_true<detail::is_its_own_value, T>,
538 mp11::mp_valid_and_true<detail::has_string_type, T>>
539 { };
540 template<class T>
541 struct is_sequence_like
542 : mp11::mp_all<
543 mp11::mp_valid_and_true<detail::are_begin_and_end_same, T>,
544 mp11::mp_valid_and_true<detail::not_its_own_value, T>,
545 mp11::mp_valid<detail::begin_iterator_category, T>>
546 { };
547
548 template<class T>
549 struct is_map_like
550 : mp11::mp_all<
551 is_sequence_like<T>,
552 mp11::mp_valid_and_true<detail::is_value_type_pair, T>,
553 is_string_like<detail::key_type<T>>,
554 mp11::mp_valid_and_true<detail::has_unique_keys, T>>
555 { };
556
557 template<class T>
558 struct is_tuple_like
559 : mp11::mp_valid_and_true<detail::has_positive_tuple_size, T>
560 { };
561
562 template<>
563 struct is_null_like<std::nullptr_t>
564 : std::true_type
565 { };
566
567 #ifndef BOOST_NO_CXX17_HDR_VARIANT
568 template<>
569 struct is_null_like<std::monostate>
570 : std::true_type
571 { };
572 #endif // BOOST_NO_CXX17_HDR_VARIANT
573
574 template<class T>
575 struct is_described_class
576 : mp11::mp_and<
577 describe::has_describe_members<T>,
578 mp11::mp_not< std::is_union<T> >,
579 mp11::mp_empty<
580 mp11::mp_eval_or<
581 mp11::mp_list<>, detail::described_non_public_members, T>>>
582 { };
583
584 template<class T>
585 struct is_described_enum
586 : describe::has_describe_enumerators<T>
587 { };
588
589 template<class T>
590 struct is_variant_like : mp11::mp_valid<detail::has_valueless_by_exception, T>
591 { };
592
593 template<class T>
594 struct is_optional_like
595 : mp11::mp_and<
596 mp11::mp_not<std::is_void<
597 mp11::mp_eval_or<void, detail::value_result_type, T>>>,
598 mp11::mp_valid<detail::can_reset, T>>
599 { };
600
601 } // namespace json
602 } // namespace boost
603
604 #endif // BOOST_JSON_IMPL_CONVERSION_HPP
605