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https://github.com/fmtlib/fmt.git
synced 2024-10-02 04:52:03 +00:00
Minor cleanup
This commit is contained in:
Victor Zverovich
parent
7a604cdd98
commit
a1d586302f
@ -1400,6 +1400,7 @@ struct tm_format_checker : null_chrono_spec_handler<tm_format_checker> {
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};
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template <typename OutputIt, typename Char> class tm_writer {
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private:
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static constexpr int days_per_week = 7;
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OutputIt out_;
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@ -1413,10 +1414,7 @@ template <typename OutputIt, typename Char> class tm_writer {
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// least 4 characters, with more only if necessary.
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auto split_year_lower(int year) const noexcept -> int {
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auto l = year % 100;
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if (l < 0) {
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// l in [0, 99]
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l = -l;
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}
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if (l < 0) l = -l; // l in [0, 99]
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return l;
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}
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@ -1462,12 +1460,13 @@ template <typename OutputIt, typename Char> class tm_writer {
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*out_++ = *d++;
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*out_++ = *d;
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}
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void write_year(int year) {
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if (year >= 0 && year < 10000) {
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write2(to_unsigned(year / 100));
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write2(to_unsigned(year % 100));
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} else {
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// at least 4 characters
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// At least 4 characters.
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int width = 4;
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if (year < 0) {
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*out_++ = '-';
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@ -1517,6 +1516,7 @@ template <typename OutputIt, typename Char> class tm_writer {
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FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
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out_ = copy_str<Char>(begin, end, out_);
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}
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void on_abbr_weekday() { format_localized('a'); }
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void on_full_weekday() { format_localized('A'); }
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void on_dec0_weekday(numeric_system ns) {
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@ -1531,6 +1531,7 @@ template <typename OutputIt, typename Char> class tm_writer {
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else
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format_localized('u', 'O');
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}
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void on_abbr_month() { format_localized('b'); }
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void on_full_month() { format_localized('B'); }
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@ -1565,8 +1566,10 @@ template <typename OutputIt, typename Char> class tm_writer {
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to_unsigned(tm_.tm_mday), '-');
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out_ = copy_str<Char>(std::begin(buf) + offset, std::end(buf), out_);
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}
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void on_utc_offset() { format_localized('z'); }
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void on_tz_name() { format_localized('Z'); }
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void on_year(numeric_system ns) {
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if (ns == numeric_system::standard)
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write_year(tm_year());
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@ -1580,42 +1583,40 @@ template <typename OutputIt, typename Char> class tm_writer {
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format_localized('y', 'O');
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}
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void on_offset_year() { format_localized('y', 'E'); }
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void on_century(numeric_system ns) {
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if (ns == numeric_system::standard) {
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auto year = tm_year();
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auto upper = year / 100;
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if (year >= -99 && year < 0) {
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// zero upper on negative year
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*out_++ = '-';
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*out_++ = '0';
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} else if (upper >= 0 && upper < 100)
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write2(to_unsigned(upper));
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else
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out_ = write<Char>(out_, upper);
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} else
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format_localized('C', 'E');
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if (ns != numeric_system::standard) return format_localized('C', 'E');
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auto year = tm_year();
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auto upper = year / 100;
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if (year >= -99 && year < 0) {
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// Zero upper on negative year.
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*out_++ = '-';
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*out_++ = '0';
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} else if (upper >= 0 && upper < 100) {
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write2(to_unsigned(upper));
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} else {
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out_ = write<Char>(out_, upper);
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}
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}
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void on_dec_month(numeric_system ns) {
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if (ns == numeric_system::standard)
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write2(to_unsigned(tm_.tm_mon + 1));
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else
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format_localized('m', 'O');
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}
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void on_dec0_week_of_year(numeric_system ns) {
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if (ns == numeric_system::standard)
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write2(to_unsigned((tm_.tm_yday + days_per_week - tm_.tm_wday) /
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days_per_week));
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else
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format_localized('U', 'O');
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if (ns != numeric_system::standard) return format_localized('U', 'O');
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write2(to_unsigned((tm_.tm_yday + days_per_week - tm_.tm_wday) /
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days_per_week));
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}
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void on_dec1_week_of_year(numeric_system ns) {
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if (ns == numeric_system::standard)
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write2(to_unsigned(
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(tm_.tm_yday + days_per_week -
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(tm_.tm_wday == 0 ? (days_per_week - 1) : (tm_.tm_wday - 1))) /
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days_per_week));
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else
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format_localized('W', 'O');
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if (ns != numeric_system::standard) return format_localized('W', 'O');
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write2(to_unsigned(
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(tm_.tm_yday + days_per_week -
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(tm_.tm_wday == 0 ? (days_per_week - 1) : (tm_.tm_wday - 1))) /
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days_per_week));
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}
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void on_iso_week_of_year(numeric_system ns) {
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if (ns == numeric_system::standard)
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@ -1623,10 +1624,12 @@ template <typename OutputIt, typename Char> class tm_writer {
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else
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format_localized('V', 'O');
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}
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void on_iso_week_based_year() { write_year(tm_iso_week_year()); }
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void on_iso_week_based_short_year() {
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write2(to_unsigned(split_year_lower(tm_iso_week_year())));
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}
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void on_day_of_year() {
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auto yday = tm_.tm_yday + 1;
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write1(to_unsigned(yday / 100));
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@ -1639,13 +1642,12 @@ template <typename OutputIt, typename Char> class tm_writer {
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format_localized('d', 'O');
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}
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void on_day_of_month_space(numeric_system ns) {
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if (ns == numeric_system::standard) {
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const char* d2 = digits2(to_unsigned(tm_.tm_mday));
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*out_++ = tm_.tm_mday < 10 ? ' ' : d2[0];
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*out_++ = d2[1];
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} else
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format_localized('e', 'O');
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if (ns != numeric_system::standard) return format_localized('e', 'O');
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const char* d2 = digits2(to_unsigned(tm_.tm_mday));
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*out_++ = tm_.tm_mday < 10 ? ' ' : d2[0];
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*out_++ = d2[1];
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}
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void on_24_hour(numeric_system ns) {
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if (ns == numeric_system::standard)
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write2(to_unsigned(tm_.tm_hour));
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@ -1670,6 +1672,7 @@ template <typename OutputIt, typename Char> class tm_writer {
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else
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format_localized('S', 'O');
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}
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void on_12_hour_time() { format_localized('r'); }
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void on_24_hour_time() {
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write2(to_unsigned(tm_.tm_hour));
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@ -1683,6 +1686,7 @@ template <typename OutputIt, typename Char> class tm_writer {
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':');
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out_ = copy_str<Char>(std::begin(buf), std::end(buf), out_);
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}
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void on_am_pm() { format_localized('p'); }
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// These apply to chrono durations but not tm.
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@ -1697,7 +1701,7 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
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Char> : formatter<std::tm, Char> {
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FMT_CONSTEXPR formatter() {
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this->do_parse(default_specs,
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default_specs + (sizeof(default_specs) / sizeof(Char)));
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default_specs + sizeof(default_specs) / sizeof(Char));
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}
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template <typename ParseContext>
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@ -1708,12 +1712,10 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
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template <typename FormatContext>
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auto format(std::chrono::time_point<std::chrono::system_clock> val,
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FormatContext& ctx) -> decltype(ctx.out()) {
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std::tm time = localtime(val);
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return formatter<std::tm, Char>::format(time, ctx);
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return formatter<std::tm, Char>::format(localtime(val), ctx);
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}
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// '}' - for detail::parse_chrono_format.
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static constexpr const Char default_specs[] = {'%', 'F', ' ', '%', 'T', '}'};
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static constexpr const Char default_specs[] = {'%', 'F', ' ', '%', 'T'};
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};
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template <typename Char, typename Duration>
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@ -1737,9 +1739,8 @@ template <typename Char> struct formatter<std::tm, Char> {
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-> It {
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if (begin != end && *begin == ':') ++begin;
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end = detail::parse_chrono_format(begin, end, detail::tm_format_checker());
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if (!with_default || end != begin) {
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if (!with_default || end != begin)
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specs = {begin, detail::to_unsigned(end - begin)};
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}
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// basic_string_view<>::compare isn't constexpr before C++17
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if (specs.size() == 2 && specs[0] == Char('%')) {
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if (specs[1] == Char('F'))
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