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-rw-r--r--third_party/rust/time-0.1.45/src/display.rs260
1 files changed, 260 insertions, 0 deletions
diff --git a/third_party/rust/time-0.1.45/src/display.rs b/third_party/rust/time-0.1.45/src/display.rs
new file mode 100644
index 0000000000..705b43078a
--- /dev/null
+++ b/third_party/rust/time-0.1.45/src/display.rs
@@ -0,0 +1,260 @@
+use std::fmt::{self, Write};
+
+use super::{TmFmt, Tm, Fmt};
+
+impl<'a> fmt::Display for TmFmt<'a> {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ match self.format {
+ Fmt::Str(ref s) => {
+ let mut chars = s.chars();
+ while let Some(ch) = chars.next() {
+ if ch == '%' {
+ // we've already validated that % always precedes
+ // another char
+ parse_type(fmt, chars.next().unwrap(), self.tm)?;
+ } else {
+ fmt.write_char(ch)?;
+ }
+ }
+
+ Ok(())
+ }
+ Fmt::Ctime => self.tm.to_local().asctime().fmt(fmt),
+ Fmt::Rfc3339 => {
+ if self.tm.tm_utcoff == 0 {
+ TmFmt {
+ tm: self.tm,
+ format: Fmt::Str("%Y-%m-%dT%H:%M:%SZ"),
+ }.fmt(fmt)
+ } else {
+ let s = TmFmt {
+ tm: self.tm,
+ format: Fmt::Str("%Y-%m-%dT%H:%M:%S"),
+ };
+ let sign = if self.tm.tm_utcoff > 0 { '+' } else { '-' };
+ let mut m = abs(self.tm.tm_utcoff) / 60;
+ let h = m / 60;
+ m -= h * 60;
+ write!(fmt, "{}{}{:02}:{:02}", s, sign, h, m)
+ }
+ }
+ }
+ }
+}
+
+fn is_leap_year(year: i32) -> bool {
+ (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0))
+}
+
+fn days_in_year(year: i32) -> i32 {
+ if is_leap_year(year) { 366 }
+ else { 365 }
+}
+
+fn iso_week_days(yday: i32, wday: i32) -> i32 {
+ /* The number of days from the first day of the first ISO week of this
+ * year to the year day YDAY with week day WDAY.
+ * ISO weeks start on Monday. The first ISO week has the year's first
+ * Thursday.
+ * YDAY may be as small as yday_minimum.
+ */
+ let iso_week_start_wday: i32 = 1; /* Monday */
+ let iso_week1_wday: i32 = 4; /* Thursday */
+ let yday_minimum: i32 = 366;
+ /* Add enough to the first operand of % to make it nonnegative. */
+ let big_enough_multiple_of_7: i32 = (yday_minimum / 7 + 2) * 7;
+
+ yday - (yday - wday + iso_week1_wday + big_enough_multiple_of_7) % 7
+ + iso_week1_wday - iso_week_start_wday
+}
+
+fn iso_week(fmt: &mut fmt::Formatter, ch:char, tm: &Tm) -> fmt::Result {
+ let mut year = tm.tm_year + 1900;
+ let mut days = iso_week_days(tm.tm_yday, tm.tm_wday);
+
+ if days < 0 {
+ /* This ISO week belongs to the previous year. */
+ year -= 1;
+ days = iso_week_days(tm.tm_yday + (days_in_year(year)), tm.tm_wday);
+ } else {
+ let d = iso_week_days(tm.tm_yday - (days_in_year(year)),
+ tm.tm_wday);
+ if 0 <= d {
+ /* This ISO week belongs to the next year. */
+ year += 1;
+ days = d;
+ }
+ }
+
+ match ch {
+ 'G' => write!(fmt, "{}", year),
+ 'g' => write!(fmt, "{:02}", (year % 100 + 100) % 100),
+ 'V' => write!(fmt, "{:02}", days / 7 + 1),
+ _ => Ok(())
+ }
+}
+
+fn parse_type(fmt: &mut fmt::Formatter, ch: char, tm: &Tm) -> fmt::Result {
+ match ch {
+ 'A' => fmt.write_str(match tm.tm_wday {
+ 0 => "Sunday",
+ 1 => "Monday",
+ 2 => "Tuesday",
+ 3 => "Wednesday",
+ 4 => "Thursday",
+ 5 => "Friday",
+ 6 => "Saturday",
+ _ => unreachable!(),
+ }),
+ 'a' => fmt.write_str(match tm.tm_wday {
+ 0 => "Sun",
+ 1 => "Mon",
+ 2 => "Tue",
+ 3 => "Wed",
+ 4 => "Thu",
+ 5 => "Fri",
+ 6 => "Sat",
+ _ => unreachable!(),
+ }),
+ 'B' => fmt.write_str(match tm.tm_mon {
+ 0 => "January",
+ 1 => "February",
+ 2 => "March",
+ 3 => "April",
+ 4 => "May",
+ 5 => "June",
+ 6 => "July",
+ 7 => "August",
+ 8 => "September",
+ 9 => "October",
+ 10 => "November",
+ 11 => "December",
+ _ => unreachable!(),
+ }),
+ 'b' | 'h' => fmt.write_str(match tm.tm_mon {
+ 0 => "Jan",
+ 1 => "Feb",
+ 2 => "Mar",
+ 3 => "Apr",
+ 4 => "May",
+ 5 => "Jun",
+ 6 => "Jul",
+ 7 => "Aug",
+ 8 => "Sep",
+ 9 => "Oct",
+ 10 => "Nov",
+ 11 => "Dec",
+ _ => unreachable!(),
+ }),
+ 'C' => write!(fmt, "{:02}", (tm.tm_year + 1900) / 100),
+ 'c' => {
+ parse_type(fmt, 'a', tm)?;
+ fmt.write_str(" ")?;
+ parse_type(fmt, 'b', tm)?;
+ fmt.write_str(" ")?;
+ parse_type(fmt, 'e', tm)?;
+ fmt.write_str(" ")?;
+ parse_type(fmt, 'T', tm)?;
+ fmt.write_str(" ")?;
+ parse_type(fmt, 'Y', tm)
+ }
+ 'D' | 'x' => {
+ parse_type(fmt, 'm', tm)?;
+ fmt.write_str("/")?;
+ parse_type(fmt, 'd', tm)?;
+ fmt.write_str("/")?;
+ parse_type(fmt, 'y', tm)
+ }
+ 'd' => write!(fmt, "{:02}", tm.tm_mday),
+ 'e' => write!(fmt, "{:2}", tm.tm_mday),
+ 'f' => write!(fmt, "{:09}", tm.tm_nsec),
+ 'F' => {
+ parse_type(fmt, 'Y', tm)?;
+ fmt.write_str("-")?;
+ parse_type(fmt, 'm', tm)?;
+ fmt.write_str("-")?;
+ parse_type(fmt, 'd', tm)
+ }
+ 'G' => iso_week(fmt, 'G', tm),
+ 'g' => iso_week(fmt, 'g', tm),
+ 'H' => write!(fmt, "{:02}", tm.tm_hour),
+ 'I' => {
+ let mut h = tm.tm_hour;
+ if h == 0 { h = 12 }
+ if h > 12 { h -= 12 }
+ write!(fmt, "{:02}", h)
+ }
+ 'j' => write!(fmt, "{:03}", tm.tm_yday + 1),
+ 'k' => write!(fmt, "{:2}", tm.tm_hour),
+ 'l' => {
+ let mut h = tm.tm_hour;
+ if h == 0 { h = 12 }
+ if h > 12 { h -= 12 }
+ write!(fmt, "{:2}", h)
+ }
+ 'M' => write!(fmt, "{:02}", tm.tm_min),
+ 'm' => write!(fmt, "{:02}", tm.tm_mon + 1),
+ 'n' => fmt.write_str("\n"),
+ 'P' => fmt.write_str(if tm.tm_hour < 12 { "am" } else { "pm" }),
+ 'p' => fmt.write_str(if (tm.tm_hour) < 12 { "AM" } else { "PM" }),
+ 'R' => {
+ parse_type(fmt, 'H', tm)?;
+ fmt.write_str(":")?;
+ parse_type(fmt, 'M', tm)
+ }
+ 'r' => {
+ parse_type(fmt, 'I', tm)?;
+ fmt.write_str(":")?;
+ parse_type(fmt, 'M', tm)?;
+ fmt.write_str(":")?;
+ parse_type(fmt, 'S', tm)?;
+ fmt.write_str(" ")?;
+ parse_type(fmt, 'p', tm)
+ }
+ 'S' => write!(fmt, "{:02}", tm.tm_sec),
+ 's' => write!(fmt, "{}", tm.to_timespec().sec),
+ 'T' | 'X' => {
+ parse_type(fmt, 'H', tm)?;
+ fmt.write_str(":")?;
+ parse_type(fmt, 'M', tm)?;
+ fmt.write_str(":")?;
+ parse_type(fmt, 'S', tm)
+ }
+ 't' => fmt.write_str("\t"),
+ 'U' => write!(fmt, "{:02}", (tm.tm_yday - tm.tm_wday + 7) / 7),
+ 'u' => {
+ let i = tm.tm_wday;
+ write!(fmt, "{}", (if i == 0 { 7 } else { i }))
+ }
+ 'V' => iso_week(fmt, 'V', tm),
+ 'v' => {
+ parse_type(fmt, 'e', tm)?;
+ fmt.write_str("-")?;
+ parse_type(fmt, 'b', tm)?;
+ fmt.write_str("-")?;
+ parse_type(fmt, 'Y', tm)
+ }
+ 'W' => {
+ write!(fmt, "{:02}", (tm.tm_yday - (tm.tm_wday - 1 + 7) % 7 + 7) / 7)
+ }
+ 'w' => write!(fmt, "{}", tm.tm_wday),
+ 'Y' => write!(fmt, "{}", tm.tm_year + 1900),
+ 'y' => write!(fmt, "{:02}", (tm.tm_year + 1900) % 100),
+ // FIXME (#2350): support locale
+ 'Z' => fmt.write_str(if tm.tm_utcoff == 0 { "UTC"} else { "" }),
+ 'z' => {
+ let sign = if tm.tm_utcoff > 0 { '+' } else { '-' };
+ let mut m = abs(tm.tm_utcoff) / 60;
+ let h = m / 60;
+ m -= h * 60;
+ write!(fmt, "{}{:02}{:02}", sign, h, m)
+ }
+ '+' => write!(fmt, "{}", tm.rfc3339()),
+ '%' => fmt.write_str("%"),
+ _ => unreachable!(),
+ }
+}
+
+fn abs(i: i32) -> i32 {
+ if i < 0 {-i} else {i}
+}
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