[wpiutil] Upgrade to fmtlib 8.0.0 (#3457)

This commit is contained in:
Tyler Veness
2021-06-21 20:57:42 -07:00
committed by GitHub
parent 4e1fa03087
commit 866571ab41
15 changed files with 1154 additions and 1033 deletions

View File

@@ -287,6 +287,75 @@ inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
inline null<> localtime_s(...) { return null<>(); }
inline null<> gmtime_r(...) { return null<>(); }
inline null<> gmtime_s(...) { return null<>(); }
inline auto do_write(const std::tm& time, const std::locale& loc, char format,
char modifier) -> std::string {
auto&& os = std::ostringstream();
os.imbue(loc);
using iterator = std::ostreambuf_iterator<char>;
const auto& facet = std::use_facet<std::time_put<char, iterator>>(loc);
auto end = facet.put(os, os, ' ', &time, format, modifier);
if (end.failed()) FMT_THROW(format_error("failed to format time"));
auto str = os.str();
if (!detail::is_utf8() || loc == std::locale::classic()) return str;
// char16_t and char32_t codecvts are broken in MSVC (linkage errors) and
// gcc-4.
#if FMT_MSC_VER != 0 || \
(defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI))
// The _GLIBCXX_USE_DUAL_ABI macro is always defined in libstdc++ from gcc-5
// and newer.
using code_unit = wchar_t;
#else
using code_unit = char32_t;
#endif
auto& f = std::use_facet<std::codecvt<code_unit, char, std::mbstate_t>>(loc);
auto mb = std::mbstate_t();
const char* from_next = nullptr;
code_unit* to_next = nullptr;
constexpr size_t buf_size = 32;
code_unit buf[buf_size] = {};
auto result = f.in(mb, str.data(), str.data() + str.size(), from_next, buf,
buf + buf_size, to_next);
if (result != std::codecvt_base::ok)
FMT_THROW(format_error("failed to format time"));
str.clear();
for (code_unit* p = buf; p != to_next; ++p) {
uint32_t c = static_cast<uint32_t>(*p);
if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) {
// surrogate pair
++p;
if (p == to_next || (c & 0xfc00) != 0xd800 || (*p & 0xfc00) != 0xdc00) {
FMT_THROW(format_error("failed to format time"));
}
c = (c << 10) + static_cast<uint32_t>(*p) - 0x35fdc00;
}
if (c < 0x80) {
str.push_back(static_cast<char>(c));
} else if (c < 0x800) {
str.push_back(static_cast<char>(0xc0 | (c >> 6)));
str.push_back(static_cast<char>(0x80 | (c & 0x3f)));
} else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) {
str.push_back(static_cast<char>(0xe0 | (c >> 12)));
str.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
str.push_back(static_cast<char>(0x80 | (c & 0x3f)));
} else if (c >= 0x10000 && c <= 0x10ffff) {
str.push_back(static_cast<char>(0xf0 | (c >> 18)));
str.push_back(static_cast<char>(0x80 | ((c & 0x3ffff) >> 12)));
str.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
str.push_back(static_cast<char>(0x80 | (c & 0x3f)));
} else {
FMT_THROW(format_error("failed to format time"));
}
}
return str;
}
template <typename OutputIt>
auto write(OutputIt out, const std::tm& time, const std::locale& loc,
char format, char modifier = 0) -> OutputIt {
auto str = do_write(time, loc, format, modifier);
return std::copy(str.begin(), str.end(), out);
}
} // namespace detail
FMT_MODULE_EXPORT_BEGIN
@@ -408,14 +477,37 @@ FMT_END_DETAIL_NAMESPACE
template <typename Char, typename Duration>
struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
Char> : formatter<std::tm, Char> {
FMT_CONSTEXPR formatter() {
this->specs = {default_specs, sizeof(default_specs) / sizeof(Char)};
}
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it == ':') ++it;
auto end = it;
while (end != ctx.end() && *end != '}') ++end;
if (end != it) this->specs = {it, detail::to_unsigned(end - it)};
return end;
}
template <typename FormatContext>
auto format(std::chrono::time_point<std::chrono::system_clock> val,
FormatContext& ctx) -> decltype(ctx.out()) {
std::tm time = localtime(val);
return formatter<std::tm, Char>::format(time, ctx);
}
static constexpr Char default_specs[] = {'%', 'Y', '-', '%', 'm', '-',
'%', 'd', ' ', '%', 'H', ':',
'%', 'M', ':', '%', 'S'};
};
template <typename Char, typename Duration>
constexpr Char
formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
Char>::default_specs[];
template <typename Char> struct formatter<std::tm, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
@@ -458,66 +550,28 @@ template <typename Char> struct formatter<std::tm, Char> {
FMT_BEGIN_DETAIL_NAMESPACE
template <typename Period> FMT_CONSTEXPR const char* get_units() {
template <typename Period> FMT_CONSTEXPR inline const char* get_units() {
if (std::is_same<Period, std::atto>::value) return "as";
if (std::is_same<Period, std::femto>::value) return "fs";
if (std::is_same<Period, std::pico>::value) return "ps";
if (std::is_same<Period, std::nano>::value) return "ns";
if (std::is_same<Period, std::micro>::value) return "µs";
if (std::is_same<Period, std::milli>::value) return "ms";
if (std::is_same<Period, std::centi>::value) return "cs";
if (std::is_same<Period, std::deci>::value) return "ds";
if (std::is_same<Period, std::ratio<1>>::value) return "s";
if (std::is_same<Period, std::deca>::value) return "das";
if (std::is_same<Period, std::hecto>::value) return "hs";
if (std::is_same<Period, std::kilo>::value) return "ks";
if (std::is_same<Period, std::mega>::value) return "Ms";
if (std::is_same<Period, std::giga>::value) return "Gs";
if (std::is_same<Period, std::tera>::value) return "Ts";
if (std::is_same<Period, std::peta>::value) return "Ps";
if (std::is_same<Period, std::exa>::value) return "Es";
if (std::is_same<Period, std::ratio<60>>::value) return "m";
if (std::is_same<Period, std::ratio<3600>>::value) return "h";
return nullptr;
}
template <> FMT_CONSTEXPR inline const char* get_units<std::atto>() {
return "as";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::femto>() {
return "fs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::pico>() {
return "ps";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::nano>() {
return "ns";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::micro>() {
return "µs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::milli>() {
return "ms";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::centi>() {
return "cs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::deci>() {
return "ds";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<1>>() {
return "s";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::deca>() {
return "das";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::hecto>() {
return "hs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::kilo>() {
return "ks";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::mega>() {
return "Ms";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::giga>() {
return "Gs";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::tera>() {
return "Ts";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::peta>() {
return "Ps";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::exa>() {
return "Es";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<60>>() {
return "m";
}
template <> FMT_CONSTEXPR inline const char* get_units<std::ratio<3600>>() {
return "h";
}
enum class numeric_system {
standard,
@@ -683,34 +737,50 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
return ptr;
}
struct chrono_format_checker {
FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); }
template <typename Derived> struct null_chrono_spec_handler {
FMT_CONSTEXPR void unsupported() {
static_cast<Derived*>(this)->unsupported();
}
FMT_CONSTEXPR void on_abbr_weekday() { unsupported(); }
FMT_CONSTEXPR void on_full_weekday() { unsupported(); }
FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_abbr_month() { unsupported(); }
FMT_CONSTEXPR void on_full_month() { unsupported(); }
FMT_CONSTEXPR void on_24_hour(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_12_hour(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_minute(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_second(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_datetime(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_loc_date(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_loc_time(numeric_system) { unsupported(); }
FMT_CONSTEXPR void on_us_date() { unsupported(); }
FMT_CONSTEXPR void on_iso_date() { unsupported(); }
FMT_CONSTEXPR void on_12_hour_time() { unsupported(); }
FMT_CONSTEXPR void on_24_hour_time() { unsupported(); }
FMT_CONSTEXPR void on_iso_time() { unsupported(); }
FMT_CONSTEXPR void on_am_pm() { unsupported(); }
FMT_CONSTEXPR void on_duration_value() { unsupported(); }
FMT_CONSTEXPR void on_duration_unit() { unsupported(); }
FMT_CONSTEXPR void on_utc_offset() { unsupported(); }
FMT_CONSTEXPR void on_tz_name() { unsupported(); }
};
struct chrono_format_checker : null_chrono_spec_handler<chrono_format_checker> {
FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); }
template <typename Char>
FMT_CONSTEXPR void on_text(const Char*, const Char*) {}
FMT_NORETURN void on_abbr_weekday() { report_no_date(); }
FMT_NORETURN void on_full_weekday() { report_no_date(); }
FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_abbr_month() { report_no_date(); }
FMT_NORETURN void on_full_month() { report_no_date(); }
FMT_CONSTEXPR void on_24_hour(numeric_system) {}
FMT_CONSTEXPR void on_12_hour(numeric_system) {}
FMT_CONSTEXPR void on_minute(numeric_system) {}
FMT_CONSTEXPR void on_second(numeric_system) {}
FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); }
FMT_NORETURN void on_us_date() { report_no_date(); }
FMT_NORETURN void on_iso_date() { report_no_date(); }
FMT_CONSTEXPR void on_12_hour_time() {}
FMT_CONSTEXPR void on_24_hour_time() {}
FMT_CONSTEXPR void on_iso_time() {}
FMT_CONSTEXPR void on_am_pm() {}
FMT_CONSTEXPR void on_duration_value() {}
FMT_CONSTEXPR void on_duration_unit() {}
FMT_NORETURN void on_utc_offset() { report_no_date(); }
FMT_NORETURN void on_tz_name() { report_no_date(); }
};
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
@@ -957,14 +1027,9 @@ struct chrono_formatter {
void format_localized(const tm& time, char format, char modifier = 0) {
if (isnan(val)) return write_nan();
auto locale = localized ? context.locale().template get<std::locale>()
: std::locale::classic();
auto& facet = std::use_facet<std::time_put<char_type>>(locale);
std::basic_ostringstream<char_type> os;
os.imbue(locale);
facet.put(os, os, ' ', &time, format, modifier);
auto str = os.str();
std::copy(str.begin(), str.end(), out);
const auto& loc = localized ? context.locale().template get<std::locale>()
: std::locale::classic();
out = detail::write(out, time, loc, format, modifier);
}
void on_text(const char_type* begin, const char_type* end) {
@@ -1080,6 +1145,46 @@ struct chrono_formatter {
FMT_END_DETAIL_NAMESPACE
#if defined(__cpp_lib_chrono) && __cpp_lib_chrono >= 201907
using weekday = std::chrono::weekday;
#else
// A fallback version of weekday.
class weekday {
private:
unsigned char value;
public:
weekday() = default;
explicit constexpr weekday(unsigned wd) noexcept
: value(static_cast<unsigned char>(wd != 7 ? wd : 0)) {}
constexpr unsigned c_encoding() const noexcept { return value; }
};
#endif
// A rudimentary weekday formatter.
template <> struct formatter<weekday> {
private:
bool localized = false;
public:
FMT_CONSTEXPR auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
auto begin = ctx.begin(), end = ctx.end();
if (begin != end && *begin == 'L') {
++begin;
localized = true;
}
return begin;
}
auto format(weekday wd, format_context& ctx) -> decltype(ctx.out()) {
auto time = std::tm();
time.tm_wday = static_cast<int>(wd.c_encoding());
const auto& loc = localized ? ctx.locale().template get<std::locale>()
: std::locale::classic();
return detail::write(ctx.out(), time, loc, 'a');
}
};
template <typename Rep, typename Period, typename Char>
struct formatter<std::chrono::duration<Rep, Period>, Char> {
private:
@@ -1190,7 +1295,7 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
ctx, out, d);
f.precision = precision_copy;
f.localized = localized;
parse_chrono_format(begin, end, f);
detail::parse_chrono_format(begin, end, f);
}
return detail::write(
ctx.out(), basic_string_view<Char>(buf.data(), buf.size()), specs_copy);