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move iostream_operators to magic_enum_iostream

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neargye 2023-05-21 17:49:46 +04:00
parent 57d7e79530
commit ed43fd5fa2
8 changed files with 148 additions and 87 deletions
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78
include/magic_enum.hpp
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@ -58,9 +58,6 @@
#if !defined(MAGIC_ENUM_USING_ALIAS_STRING_VIEW)
#include <string_view>
#endif
#if !defined(MAGIC_ENUM_NO_STREAMS)
#include <iosfwd>
#endif
#if defined(__clang__)
# pragma clang diagnostic push
@ -1467,81 +1464,6 @@ inline constexpr auto as_flags = AsFlags ? detail::enum_subtype::flags : detail:
template <bool AsFlags = true>
inline constexpr auto as_common = AsFlags ? detail::enum_subtype::common : detail::enum_subtype::flags;
#if !defined(MAGIC_ENUM_NO_STREAMS)
namespace ostream_operators {
template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, E value) {
using D = std::decay_t<E>;
using U = underlying_type_t<D>;
if constexpr (detail::supported<D>::value) {
if constexpr (detail::subtype_v<D> == detail::enum_subtype::flags) {
if (const auto name = enum_flags_name<D>(value); !name.empty()) {
for (const auto c : name) {
os.put(c);
}
return os;
}
} else {
if (const auto name = enum_name<D>(value); !name.empty()) {
for (const auto c : name) {
os.put(c);
}
return os;
}
}
}
return (os << static_cast<U>(value));
}
template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, optional<E> value) {
return value ? (os << *value) : os;
}
} // namespace magic_enum::ostream_operators
namespace istream_operators {
template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, E& value) {
using D = std::decay_t<E>;
std::basic_string<Char, Traits> s;
is >> s;
if constexpr (detail::supported<D>::value) {
if constexpr (detail::subtype_v<D> == detail::enum_subtype::flags) {
if (const auto v = enum_flags_cast<D>(s)) {
value = *v;
} else {
is.setstate(std::basic_ios<Char>::failbit);
}
} else {
if (const auto v = enum_cast<D>(s)) {
value = *v;
} else {
is.setstate(std::basic_ios<Char>::failbit);
}
}
} else {
is.setstate(std::basic_ios<Char>::failbit);
}
return is;
}
} // namespace magic_enum::istream_operators
namespace iostream_operators {
using namespace ostream_operators;
using namespace istream_operators;
} // namespace magic_enum::iostream_operators
#endif
namespace bitwise_operators {
template <typename E, detail::enable_if_t<E, int> = 0>