Format dates
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@ -121,13 +121,20 @@ impl L10N {
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}
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*/
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fn format_date(
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&self,
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time: NaiveDate,
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date_style: length::Date,
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time_style: length::Time,
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) -> String {
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unimplemented!()
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fn format_date(&self, date: NaiveDate, date_style: length::Date) -> String {
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let formatter = icu::datetime::DateFormatter::try_new_with_length(
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&DataLocale::from(&self.locale),
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date_style,
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)
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.unwrap();
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let icu_date: icu::calendar::Date<icu::calendar::Gregorian> =
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icu::calendar::Date::try_new_gregorian_date(
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date.year(),
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date.month().try_into().unwrap(),
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date.day().try_into().unwrap(),
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)
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.unwrap();
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formatter.format_to_string(&icu_date.to_any()).unwrap()
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}
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fn format_f64(&self, value: f64) -> String {
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@ -172,7 +179,20 @@ impl From<DateTime> for icu::calendar::DateTime<icu::calendar::Gregorian> {
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mod tests {
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use super::*;
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fn reftime() -> DateTime {
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fn ref_l10n() -> L10N {
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let mut l10n = L10N::default();
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// Make sure we know the locale before the test begins. Some systems, such as my own, are
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// not actually in English.
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l10n.set_locale("en-US".to_owned());
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l10n.set_timezone(chrono_tz::US::Eastern);
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l10n
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}
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fn ref_date() -> NaiveDate {
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NaiveDate::from_ymd_opt(2006, 1, 2).unwrap()
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}
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fn ref_time() -> DateTime {
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NaiveDate::from_ymd_opt(2006, 1, 2)
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.unwrap()
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.and_hms_opt(3, 4, 5)
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@ -184,12 +204,8 @@ mod tests {
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#[test]
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fn it_formats_a_time_in_utc() {
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let mut l10n = L10N::default();
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// Make sure we know the locale before the test begins. Some systems, such as my own, are
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// not actually in English.
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l10n.set_locale("en-US".to_owned());
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l10n.set_timezone(chrono_tz::US::Eastern);
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let now = reftime();
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let mut l10n = ref_l10n();
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let now = ref_time();
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// 202f is the code-point for a narrow non-breaking space. Presumably this is used in
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// particular to ensure that the am/pm marker doesn't get split off from the time
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@ -207,12 +223,8 @@ mod tests {
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#[test]
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fn it_formats_a_time_in_the_current_zone() {
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let mut l10n = L10N::default();
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// Make sure we know the locale before the test begins. Some systems, such as my own, are
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// not actually in English.
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l10n.set_locale("en-US".to_owned());
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l10n.set_timezone(chrono_tz::US::Eastern);
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let now = reftime();
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let mut l10n = ref_l10n();
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let now = ref_time();
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// 202f is the code-point for a narrow non-breaking space. Presumably this is used in
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// particular to ensure that the am/pm marker doesn't get split off from the time
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@ -228,6 +240,23 @@ mod tests {
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);
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}
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#[test]
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fn it_formats_dates() {
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let mut l10n = ref_l10n();
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let today = ref_date();
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assert_eq!(
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l10n.format_date(today.clone(), length::Date::Long),
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"January 2, 2006"
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);
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l10n.set_locale("eo-EO".to_owned());
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assert_eq!(
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l10n.format_date(today.clone(), length::Date::Long),
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"2006-Januaro-02"
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);
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}
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#[test]
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fn it_formats_a_number_according_to_locale() {
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unimplemented!()
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