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add toml::visit to use it in serializer

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ToruNiina 2019-02-13 13:36:55 +09:00
parent 53f6b8268b
commit 64774a8db0
1 changed files with 63 additions and 0 deletions
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63
toml/value.hpp
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@ -820,5 +820,68 @@ inline std::string format_error(const std::string& err_msg,
std::move(hints));
}
template<typename Visitor>
detail::return_type_of_t<Visitor, const toml::boolean&>
visit(Visitor&& visitor, const toml::value& v)
{
switch(v.type())
{
case value_t::Boolean : {return visitor(v.cast<value_t::Boolean >());}
case value_t::Integer : {return visitor(v.cast<value_t::Integer >());}
case value_t::Float : {return visitor(v.cast<value_t::Float >());}
case value_t::String : {return visitor(v.cast<value_t::String >());}
case value_t::OffsetDatetime: {return visitor(v.cast<value_t::OffsetDatetime>());}
case value_t::LocalDatetime : {return visitor(v.cast<value_t::LocalDatetime >());}
case value_t::LocalDate : {return visitor(v.cast<value_t::LocalDate >());}
case value_t::LocalTime : {return visitor(v.cast<value_t::LocalTime >());}
case value_t::Array : {return visitor(v.cast<value_t::Array >());}
case value_t::Table : {return visitor(v.cast<value_t::Table >());}
}
throw std::runtime_error(format_error("[error] toml::visit: toml::value "
"does not have any valid value.", v, "here"));
}
template<typename Visitor>
detail::return_type_of_t<Visitor, toml::boolean&>
visit(Visitor&& visitor, toml::value& v)
{
switch(v.type())
{
case value_t::Boolean : {return visitor(v.cast<value_t::Boolean >());}
case value_t::Integer : {return visitor(v.cast<value_t::Integer >());}
case value_t::Float : {return visitor(v.cast<value_t::Float >());}
case value_t::String : {return visitor(v.cast<value_t::String >());}
case value_t::OffsetDatetime: {return visitor(v.cast<value_t::OffsetDatetime>());}
case value_t::LocalDatetime : {return visitor(v.cast<value_t::LocalDatetime >());}
case value_t::LocalDate : {return visitor(v.cast<value_t::LocalDate >());}
case value_t::LocalTime : {return visitor(v.cast<value_t::LocalTime >());}
case value_t::Array : {return visitor(v.cast<value_t::Array >());}
case value_t::Table : {return visitor(v.cast<value_t::Table >());}
}
throw std::runtime_error(format_error("[error] toml::visit: toml::value "
"does not have any valid value.", v, "here"));
}
template<typename Visitor>
detail::return_type_of_t<Visitor, toml::boolean&>
visit(Visitor&& visitor, toml::value&& v)
{
switch(v.type())
{
case value_t::Boolean : {return visitor(std::move(v.cast<value_t::Boolean >()));}
case value_t::Integer : {return visitor(std::move(v.cast<value_t::Integer >()));}
case value_t::Float : {return visitor(std::move(v.cast<value_t::Float >()));}
case value_t::String : {return visitor(std::move(v.cast<value_t::String >()));}
case value_t::OffsetDatetime: {return visitor(std::move(v.cast<value_t::OffsetDatetime>()));}
case value_t::LocalDatetime : {return visitor(std::move(v.cast<value_t::LocalDatetime >()));}
case value_t::LocalDate : {return visitor(std::move(v.cast<value_t::LocalDate >()));}
case value_t::LocalTime : {return visitor(std::move(v.cast<value_t::LocalTime >()));}
case value_t::Array : {return visitor(std::move(v.cast<value_t::Array >()));}
case value_t::Table : {return visitor(std::move(v.cast<value_t::Table >()));}
}
throw std::runtime_error(format_error("[error] toml::visit: toml::value "
"does not have any valid value.", v, "here"));
}
}// toml
#endif// TOML11_VALUE