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Diffstat (limited to 'vendor/indicatif/src/format.rs')
-rw-r--r-- | vendor/indicatif/src/format.rs | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/vendor/indicatif/src/format.rs b/vendor/indicatif/src/format.rs deleted file mode 100644 index 7475a25..0000000 --- a/vendor/indicatif/src/format.rs +++ /dev/null @@ -1,337 +0,0 @@ -use std::fmt; -use std::time::Duration; - -use number_prefix::NumberPrefix; - -const SECOND: Duration = Duration::from_secs(1); -const MINUTE: Duration = Duration::from_secs(60); -const HOUR: Duration = Duration::from_secs(60 * 60); -const DAY: Duration = Duration::from_secs(24 * 60 * 60); -const WEEK: Duration = Duration::from_secs(7 * 24 * 60 * 60); -const YEAR: Duration = Duration::from_secs(365 * 24 * 60 * 60); - -/// Wraps an std duration for human basic formatting. -#[derive(Debug)] -pub struct FormattedDuration(pub Duration); - -/// Wraps an std duration for human readable formatting. -#[derive(Debug)] -pub struct HumanDuration(pub Duration); - -/// Formats bytes for human readability -#[derive(Debug)] -pub struct HumanBytes(pub u64); - -/// Formats bytes for human readability using SI prefixes -#[derive(Debug)] -pub struct DecimalBytes(pub u64); - -/// Formats bytes for human readability using ISO/IEC prefixes -#[derive(Debug)] -pub struct BinaryBytes(pub u64); - -/// Formats counts for human readability using commas -#[derive(Debug)] -pub struct HumanCount(pub u64); - -/// Formats counts for human readability using commas for floats -#[derive(Debug)] -pub struct HumanFloatCount(pub f64); - -impl fmt::Display for FormattedDuration { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut t = self.0.as_secs(); - let seconds = t % 60; - t /= 60; - let minutes = t % 60; - t /= 60; - let hours = t % 24; - t /= 24; - if t > 0 { - let days = t; - write!(f, "{days}d {hours:02}:{minutes:02}:{seconds:02}") - } else { - write!(f, "{hours:02}:{minutes:02}:{seconds:02}") - } - } -} - -// `HumanDuration` should be as intuitively understandable as possible. -// So we want to round, not truncate: otherwise 1 hour and 59 minutes -// would display an ETA of "1 hour" which underestimates the time -// remaining by a factor 2. -// -// To make the precision more uniform, we avoid displaying "1 unit" -// (except for seconds), because it would be displayed for a relatively -// long duration compared to the unit itself. Instead, when we arrive -// around 1.5 unit, we change from "2 units" to the next smaller unit -// (e.g. "89 seconds"). -// -// Formally: -// * for n >= 2, we go from "n+1 units" to "n units" exactly at (n + 1/2) units -// * we switch from "2 units" to the next smaller unit at (1.5 unit minus half of the next smaller unit) - -impl fmt::Display for HumanDuration { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut idx = 0; - for (i, &(cur, _, _)) in UNITS.iter().enumerate() { - idx = i; - match UNITS.get(i + 1) { - Some(&next) if self.0.saturating_add(next.0 / 2) >= cur + cur / 2 => break, - _ => continue, - } - } - - let (unit, name, alt) = UNITS[idx]; - // FIXME when `div_duration_f64` is stable - let mut t = (self.0.as_secs_f64() / unit.as_secs_f64()).round() as usize; - if idx < UNITS.len() - 1 { - t = Ord::max(t, 2); - } - - match (f.alternate(), t) { - (true, _) => write!(f, "{t}{alt}"), - (false, 1) => write!(f, "{t} {name}"), - (false, _) => write!(f, "{t} {name}s"), - } - } -} - -const UNITS: &[(Duration, &str, &str)] = &[ - (YEAR, "year", "y"), - (WEEK, "week", "w"), - (DAY, "day", "d"), - (HOUR, "hour", "h"), - (MINUTE, "minute", "m"), - (SECOND, "second", "s"), -]; - -impl fmt::Display for HumanBytes { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match NumberPrefix::binary(self.0 as f64) { - NumberPrefix::Standalone(number) => write!(f, "{number:.0} B"), - NumberPrefix::Prefixed(prefix, number) => write!(f, "{number:.2} {prefix}B"), - } - } -} - -impl fmt::Display for DecimalBytes { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match NumberPrefix::decimal(self.0 as f64) { - NumberPrefix::Standalone(number) => write!(f, "{number:.0} B"), - NumberPrefix::Prefixed(prefix, number) => write!(f, "{number:.2} {prefix}B"), - } - } -} - -impl fmt::Display for BinaryBytes { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match NumberPrefix::binary(self.0 as f64) { - NumberPrefix::Standalone(number) => write!(f, "{number:.0} B"), - NumberPrefix::Prefixed(prefix, number) => write!(f, "{number:.2} {prefix}B"), - } - } -} - -impl fmt::Display for HumanCount { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - use fmt::Write; - - let num = self.0.to_string(); - let len = num.len(); - for (idx, c) in num.chars().enumerate() { - let pos = len - idx - 1; - f.write_char(c)?; - if pos > 0 && pos % 3 == 0 { - f.write_char(',')?; - } - } - Ok(()) - } -} - -impl fmt::Display for HumanFloatCount { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - use fmt::Write; - - let num = format!("{:.4}", self.0); - let (int_part, frac_part) = match num.split_once('.') { - Some((int_str, fract_str)) => (int_str.to_string(), fract_str), - None => (self.0.trunc().to_string(), ""), - }; - let len = int_part.len(); - for (idx, c) in int_part.chars().enumerate() { - let pos = len - idx - 1; - f.write_char(c)?; - if pos > 0 && pos % 3 == 0 { - f.write_char(',')?; - } - } - let frac_trimmed = frac_part.trim_end_matches('0'); - if !frac_trimmed.is_empty() { - f.write_char('.')?; - f.write_str(frac_trimmed)?; - } - Ok(()) - } -} - -#[cfg(test)] -mod tests { - use super::*; - - const MILLI: Duration = Duration::from_millis(1); - - #[test] - fn human_duration_alternate() { - for (unit, _, alt) in UNITS { - assert_eq!(format!("2{alt}"), format!("{:#}", HumanDuration(2 * *unit))); - } - } - - #[test] - fn human_duration_less_than_one_second() { - assert_eq!( - "0 seconds", - format!("{}", HumanDuration(Duration::from_secs(0))) - ); - assert_eq!("0 seconds", format!("{}", HumanDuration(MILLI))); - assert_eq!("0 seconds", format!("{}", HumanDuration(499 * MILLI))); - assert_eq!("1 second", format!("{}", HumanDuration(500 * MILLI))); - assert_eq!("1 second", format!("{}", HumanDuration(999 * MILLI))); - } - - #[test] - fn human_duration_less_than_two_seconds() { - assert_eq!("1 second", format!("{}", HumanDuration(1499 * MILLI))); - assert_eq!("2 seconds", format!("{}", HumanDuration(1500 * MILLI))); - assert_eq!("2 seconds", format!("{}", HumanDuration(1999 * MILLI))); - } - - #[test] - fn human_duration_one_unit() { - assert_eq!("1 second", format!("{}", HumanDuration(SECOND))); - assert_eq!("60 seconds", format!("{}", HumanDuration(MINUTE))); - assert_eq!("60 minutes", format!("{}", HumanDuration(HOUR))); - assert_eq!("24 hours", format!("{}", HumanDuration(DAY))); - assert_eq!("7 days", format!("{}", HumanDuration(WEEK))); - assert_eq!("52 weeks", format!("{}", HumanDuration(YEAR))); - } - - #[test] - fn human_duration_less_than_one_and_a_half_unit() { - // this one is actually done at 1.5 unit - half of the next smaller unit - epsilon - // and should display the next smaller unit - let d = HumanDuration(MINUTE + MINUTE / 2 - SECOND / 2 - MILLI); - assert_eq!("89 seconds", format!("{d}")); - let d = HumanDuration(HOUR + HOUR / 2 - MINUTE / 2 - MILLI); - assert_eq!("89 minutes", format!("{d}")); - let d = HumanDuration(DAY + DAY / 2 - HOUR / 2 - MILLI); - assert_eq!("35 hours", format!("{d}")); - let d = HumanDuration(WEEK + WEEK / 2 - DAY / 2 - MILLI); - assert_eq!("10 days", format!("{d}")); - let d = HumanDuration(YEAR + YEAR / 2 - WEEK / 2 - MILLI); - assert_eq!("78 weeks", format!("{d}")); - } - - #[test] - fn human_duration_one_and_a_half_unit() { - // this one is actually done at 1.5 unit - half of the next smaller unit - // and should still display "2 units" - let d = HumanDuration(MINUTE + MINUTE / 2 - SECOND / 2); - assert_eq!("2 minutes", format!("{d}")); - let d = HumanDuration(HOUR + HOUR / 2 - MINUTE / 2); - assert_eq!("2 hours", format!("{d}")); - let d = HumanDuration(DAY + DAY / 2 - HOUR / 2); - assert_eq!("2 days", format!("{d}")); - let d = HumanDuration(WEEK + WEEK / 2 - DAY / 2); - assert_eq!("2 weeks", format!("{d}")); - let d = HumanDuration(YEAR + YEAR / 2 - WEEK / 2); - assert_eq!("2 years", format!("{d}")); - } - - #[test] - fn human_duration_two_units() { - assert_eq!("2 seconds", format!("{}", HumanDuration(2 * SECOND))); - assert_eq!("2 minutes", format!("{}", HumanDuration(2 * MINUTE))); - assert_eq!("2 hours", format!("{}", HumanDuration(2 * HOUR))); - assert_eq!("2 days", format!("{}", HumanDuration(2 * DAY))); - assert_eq!("2 weeks", format!("{}", HumanDuration(2 * WEEK))); - assert_eq!("2 years", format!("{}", HumanDuration(2 * YEAR))); - } - - #[test] - fn human_duration_less_than_two_and_a_half_units() { - let d = HumanDuration(2 * SECOND + SECOND / 2 - MILLI); - assert_eq!("2 seconds", format!("{d}")); - let d = HumanDuration(2 * MINUTE + MINUTE / 2 - MILLI); - assert_eq!("2 minutes", format!("{d}")); - let d = HumanDuration(2 * HOUR + HOUR / 2 - MILLI); - assert_eq!("2 hours", format!("{d}")); - let d = HumanDuration(2 * DAY + DAY / 2 - MILLI); - assert_eq!("2 days", format!("{d}")); - let d = HumanDuration(2 * WEEK + WEEK / 2 - MILLI); - assert_eq!("2 weeks", format!("{d}")); - let d = HumanDuration(2 * YEAR + YEAR / 2 - MILLI); - assert_eq!("2 years", format!("{d}")); - } - - #[test] - fn human_duration_two_and_a_half_units() { - let d = HumanDuration(2 * SECOND + SECOND / 2); - assert_eq!("3 seconds", format!("{d}")); - let d = HumanDuration(2 * MINUTE + MINUTE / 2); - assert_eq!("3 minutes", format!("{d}")); - let d = HumanDuration(2 * HOUR + HOUR / 2); - assert_eq!("3 hours", format!("{d}")); - let d = HumanDuration(2 * DAY + DAY / 2); - assert_eq!("3 days", format!("{d}")); - let d = HumanDuration(2 * WEEK + WEEK / 2); - assert_eq!("3 weeks", format!("{d}")); - let d = HumanDuration(2 * YEAR + YEAR / 2); - assert_eq!("3 years", format!("{d}")); - } - - #[test] - fn human_duration_three_units() { - assert_eq!("3 seconds", format!("{}", HumanDuration(3 * SECOND))); - assert_eq!("3 minutes", format!("{}", HumanDuration(3 * MINUTE))); - assert_eq!("3 hours", format!("{}", HumanDuration(3 * HOUR))); - assert_eq!("3 days", format!("{}", HumanDuration(3 * DAY))); - assert_eq!("3 weeks", format!("{}", HumanDuration(3 * WEEK))); - assert_eq!("3 years", format!("{}", HumanDuration(3 * YEAR))); - } - - #[test] - fn human_count() { - assert_eq!("42", format!("{}", HumanCount(42))); - assert_eq!("7,654", format!("{}", HumanCount(7654))); - assert_eq!("12,345", format!("{}", HumanCount(12345))); - assert_eq!("1,234,567,890", format!("{}", HumanCount(1234567890))); - } - - #[test] - fn human_float_count() { - assert_eq!("42", format!("{}", HumanFloatCount(42.0))); - assert_eq!("7,654", format!("{}", HumanFloatCount(7654.0))); - assert_eq!("12,345", format!("{}", HumanFloatCount(12345.0))); - assert_eq!( - "1,234,567,890", - format!("{}", HumanFloatCount(1234567890.0)) - ); - assert_eq!("42.5", format!("{}", HumanFloatCount(42.5))); - assert_eq!("42.5", format!("{}", HumanFloatCount(42.500012345))); - assert_eq!("42.502", format!("{}", HumanFloatCount(42.502012345))); - assert_eq!("7,654.321", format!("{}", HumanFloatCount(7654.321))); - assert_eq!("7,654.321", format!("{}", HumanFloatCount(7654.3210123456))); - assert_eq!("12,345.6789", format!("{}", HumanFloatCount(12345.6789))); - assert_eq!( - "1,234,567,890.1235", - format!("{}", HumanFloatCount(1234567890.1234567)) - ); - assert_eq!( - "1,234,567,890.1234", - format!("{}", HumanFloatCount(1234567890.1234321)) - ); - } -} |