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Add a formatter for float128

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This commit is contained in:
Victor Zverovich
2024-03-22 15:41:50 +09:00
parent aecec01b34
commit 5d63e87d23
2 changed files with 48 additions and 48 deletions
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57
include/fmt/base.h
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@@ -2799,6 +2799,33 @@ FMT_API void vprint_mojibake(FILE*, string_view, format_args, bool = false);
#ifndef _WIN32
inline void vprint_mojibake(FILE*, string_view, format_args, bool) {}
#endif
template <typename T, typename Char, type TYPE> struct native_formatter {
private:
dynamic_format_specs<Char> specs_;
public:
using nonlocking = void;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* {
if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin();
auto end = parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, TYPE);
if (TYPE == type::char_type) check_char_specs(specs_);
return end;
}
template <type U = TYPE,
FMT_ENABLE_IF(U == type::string_type || U == type::cstring_type ||
U == type::char_type)>
FMT_CONSTEXPR void set_debug_format(bool set = true) {
specs_.type = set ? presentation_type::debug : presentation_type::none;
}
template <typename FormatContext>
FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const
-> decltype(ctx.out());
};
} // namespace detail
FMT_BEGIN_EXPORT
@@ -2807,34 +2834,8 @@ FMT_BEGIN_EXPORT
template <typename T, typename Char>
struct formatter<T, Char,
enable_if_t<detail::type_constant<T, Char>::value !=
detail::type::custom_type>> {
private:
detail::dynamic_format_specs<Char> specs_;
public:
using nonlocking = void;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* {
if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin();
auto type = detail::type_constant<T, Char>::value;
auto end =
detail::parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, type);
if (type == detail::type::char_type) detail::check_char_specs(specs_);
return end;
}
template <detail::type U = detail::type_constant<T, Char>::value,
FMT_ENABLE_IF(U == detail::type::string_type ||
U == detail::type::cstring_type ||
U == detail::type::char_type)>
FMT_CONSTEXPR void set_debug_format(bool set = true) {
specs_.type = set ? presentation_type::debug : presentation_type::none;
}
template <typename FormatContext>
FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const
-> decltype(ctx.out());
detail::type::custom_type>>
: detail::native_formatter<T, Char, detail::type_constant<T, Char>::value> {
};
template <typename Char = char> struct runtime_format_string {