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LibCore: Remove DateTime::to_string() and to_byte_string()
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This commit is contained in:
Tomasz Strejczek
Andrew Kaster
parent
6fb2be96bf
commit
7278a17e87
Notes:
github-actions[bot]
2025-06-20 00:44:06 +00:00
Author: https://github.com/tomaszstrejczek
Commit: 7278a17e87
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5096
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/R-Goc
Reviewed-by: https://github.com/gmta
2 changed files with 0 additions and 239 deletions
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@ -134,209 +134,6 @@ void DateTime::set_date(Core::DateTime const& other)
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set_time(other.year(), other.month(), other.day(), hour(), minute(), second());
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}
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ErrorOr<String> DateTime::to_string(StringView format, LocalTime local_time) const
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{
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struct tm tm;
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if (local_time == LocalTime::Yes)
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localtime_r(&m_timestamp, &tm);
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else
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gmtime_r(&m_timestamp, &tm);
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StringBuilder builder;
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size_t const format_len = format.length();
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auto format_time_zone_offset = [&](bool with_separator) -> ErrorOr<void> {
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struct tm gmt_tm;
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gmtime_r(&m_timestamp, &gmt_tm);
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gmt_tm.tm_isdst = -1;
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auto gmt_timestamp = mktime(&gmt_tm);
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auto offset_seconds = static_cast<time_t>(difftime(m_timestamp, gmt_timestamp));
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StringView offset_sign;
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if (offset_seconds >= 0) {
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offset_sign = "+"sv;
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} else {
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offset_sign = "-"sv;
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offset_seconds *= -1;
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}
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auto offset_hours = offset_seconds / 3600;
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auto offset_minutes = (offset_seconds % 3600) / 60;
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auto separator = with_separator ? ":"sv : ""sv;
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TRY(builder.try_appendff("{}{:02}{}{:02}", offset_sign, offset_hours, separator, offset_minutes));
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return {};
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};
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for (size_t i = 0; i < format_len; ++i) {
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if (format[i] != '%') {
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TRY(builder.try_append(format[i]));
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} else {
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if (++i == format_len)
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return String {};
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switch (format[i]) {
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case 'a':
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TRY(builder.try_append(short_day_names[tm.tm_wday]));
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break;
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case 'A':
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TRY(builder.try_append(long_day_names[tm.tm_wday]));
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break;
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case 'b':
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TRY(builder.try_append(short_month_names[tm.tm_mon]));
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break;
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case 'B':
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TRY(builder.try_append(long_month_names[tm.tm_mon]));
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break;
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case 'C':
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TRY(builder.try_appendff("{:02}", (tm.tm_year + 1900) / 100));
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break;
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case 'd':
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TRY(builder.try_appendff("{:02}", tm.tm_mday));
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break;
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case 'D':
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TRY(builder.try_appendff("{:02}/{:02}/{:02}", tm.tm_mon + 1, tm.tm_mday, (tm.tm_year + 1900) % 100));
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break;
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case 'e':
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TRY(builder.try_appendff("{:2}", tm.tm_mday));
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break;
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case 'h':
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TRY(builder.try_append(short_month_names[tm.tm_mon]));
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break;
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case 'H':
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TRY(builder.try_appendff("{:02}", tm.tm_hour));
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break;
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case 'I': {
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int display_hour = tm.tm_hour % 12;
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if (display_hour == 0)
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display_hour = 12;
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TRY(builder.try_appendff("{:02}", display_hour));
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break;
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}
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case 'j':
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TRY(builder.try_appendff("{:03}", tm.tm_yday + 1));
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break;
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case 'l': {
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int display_hour = tm.tm_hour % 12;
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if (display_hour == 0)
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display_hour = 12;
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TRY(builder.try_appendff("{:2}", display_hour));
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break;
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}
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case 'm':
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TRY(builder.try_appendff("{:02}", tm.tm_mon + 1));
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break;
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case 'M':
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TRY(builder.try_appendff("{:02}", tm.tm_min));
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break;
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case 'n':
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TRY(builder.try_append('\n'));
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break;
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case 'p':
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TRY(builder.try_append(tm.tm_hour < 12 ? "AM"sv : "PM"sv));
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break;
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case 'r': {
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int display_hour = tm.tm_hour % 12;
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if (display_hour == 0)
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display_hour = 12;
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TRY(builder.try_appendff("{:02}:{:02}:{:02} {}", display_hour, tm.tm_min, tm.tm_sec, tm.tm_hour < 12 ? "AM" : "PM"));
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break;
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}
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case 'R':
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TRY(builder.try_appendff("{:02}:{:02}", tm.tm_hour, tm.tm_min));
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break;
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case 'S':
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TRY(builder.try_appendff("{:02}", tm.tm_sec));
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break;
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case 't':
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TRY(builder.try_append('\t'));
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break;
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case 'T':
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TRY(builder.try_appendff("{:02}:{:02}:{:02}", tm.tm_hour, tm.tm_min, tm.tm_sec));
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break;
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case 'u':
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TRY(builder.try_appendff("{}", tm.tm_wday ? tm.tm_wday : 7));
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break;
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case 'U': {
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int const wday_of_year_beginning = (tm.tm_wday + 6 * tm.tm_yday) % 7;
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int const week_number = (tm.tm_yday + wday_of_year_beginning) / 7;
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TRY(builder.try_appendff("{:02}", week_number));
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break;
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}
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case 'V': {
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int const wday_of_year_beginning = (tm.tm_wday + 6 + 6 * tm.tm_yday) % 7;
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int week_number = (tm.tm_yday + wday_of_year_beginning) / 7 + 1;
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if (wday_of_year_beginning > 3) {
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if (tm.tm_yday >= 7 - wday_of_year_beginning)
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--week_number;
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else {
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int const days_of_last_year = days_in_year(tm.tm_year + 1900 - 1);
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int const wday_of_last_year_beginning = (wday_of_year_beginning + 6 * days_of_last_year) % 7;
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week_number = (days_of_last_year + wday_of_last_year_beginning) / 7 + 1;
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if (wday_of_last_year_beginning > 3)
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--week_number;
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}
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}
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TRY(builder.try_appendff("{:02}", week_number));
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break;
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}
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case 'w':
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TRY(builder.try_appendff("{}", tm.tm_wday));
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break;
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case 'W': {
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int const wday_of_year_beginning = (tm.tm_wday + 6 + 6 * tm.tm_yday) % 7;
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int const week_number = (tm.tm_yday + wday_of_year_beginning) / 7;
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TRY(builder.try_appendff("{:02}", week_number));
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break;
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}
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case 'y':
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TRY(builder.try_appendff("{:02}", (tm.tm_year + 1900) % 100));
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break;
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case 'Y':
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TRY(builder.try_appendff("{}", tm.tm_year + 1900));
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break;
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case 'z':
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TRY(format_time_zone_offset(false));
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break;
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case ':':
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if (++i == format_len) {
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TRY(builder.try_append("%:"sv));
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break;
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}
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if (format[i] != 'z') {
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TRY(builder.try_append("%:"sv));
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TRY(builder.try_append(format[i]));
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break;
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}
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TRY(format_time_zone_offset(true));
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break;
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case 'Z': {
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auto const* timezone_name = tzname[tm.tm_isdst == 0 ? 0 : 1];
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TRY(builder.try_append({ timezone_name, strlen(timezone_name) }));
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break;
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}
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case '%':
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TRY(builder.try_append('%'));
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break;
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default:
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TRY(builder.try_append('%'));
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TRY(builder.try_append(format[i]));
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break;
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}
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}
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}
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return builder.to_string();
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}
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ByteString DateTime::to_byte_string(StringView format, LocalTime local_time) const
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{
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return MUST(to_string(format, local_time)).to_byte_string();
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}
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Optional<DateTime> DateTime::parse(StringView format, StringView string)
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{
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unsigned format_pos = 0;
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