Start on the combined localization library, with dates and times

This commit is contained in:
Savanni D'Gerinel 2024-02-29 08:38:26 -05:00
parent 3d4a298dc1
commit 22b772a8c7
5 changed files with 1925 additions and 27 deletions

605
Cargo.lock generated
View File

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checksum = "eff4439ae91fb5c72b8abc12f3f2dbf51bd27e6eadb9f8a5bc8898dddb0e27ea"
dependencies = [
"yoke",
"zerofrom",
"zerovec-derive",
]
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name = "zerovec-derive"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b4e5997cbf58990550ef1f0e5124a05e47e1ebd33a84af25739be6031a62c20"
dependencies = [
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"quote",
"syn 2.0.48",
]
[[package]]
name = "zune-inflate"
version = "0.2.54"

1185
Cargo.nix

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@ -20,6 +20,7 @@ members = [
"ifc",
"kifu/core",
"kifu/gtk",
"l10n",
"memorycache",
"nom-training",
"result-extended",

15
l10n/Cargo.toml Normal file
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@ -0,0 +1,15 @@
[package]
name = "l10n"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
chrono = { version = "0.4" }
chrono-tz = { version = "0.8" }
fluent-ergonomics = { path = "../fluent-ergonomics" }
icu = { version = "1" }
icu_locid = { version = "1" }
icu_provider = { version = "1" }
sys-locale = { version = "0.3" }

146
l10n/src/lib.rs Normal file
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@ -0,0 +1,146 @@
use std::ops::Deref;
use chrono::{Datelike, FixedOffset, NaiveDate, Timelike};
use chrono_tz::Tz;
use icu::datetime::options::length;
use icu_locid::locale;
use icu_provider::DataLocale;
use sys_locale::get_locales;
#[derive(Clone, Copy, Debug)]
pub struct L10N {}
impl Default for L10N {
fn default() -> Self {
Self {}
}
}
impl L10N {
fn set_locale(&mut self, locale: String) {
unimplemented!()
}
fn set_timezone(&mut self, zone: Tz) {
unimplemented!()
}
// Need to take a message and turn it into a string in the current language. Except I don't
// know yet what form the message should take. Forming an adapter around fluent_ergonomics or
// even around fluent itself. I would want for the message to be statically typed, but then I
// don't know what can be the data type that gets passed in here.
fn format_message(&self) -> String {
unimplemented!()
}
fn format_date_time_utc(
&self,
time: DateTime,
date_style: length::Date,
time_style: length::Time,
) -> String {
unimplemented!()
}
fn format_date_time_local(
&self,
time: DateTime,
date_style: length::Date,
time_style: length::Time,
) -> String {
unimplemented!()
}
fn format_date_time_tz(
&self,
time: DateTime,
date_style: length::Date,
time_style: length::Time,
) -> String {
let options = length::Bag::from_date_time_style(date_style, time_style);
let formatter = icu::datetime::DateTimeFormatter::try_new(
&DataLocale::from(locale!("en-US")),
options.into(),
)
.unwrap();
let icu_time: icu::calendar::DateTime<icu::calendar::Gregorian> = time.into();
let any = icu_time.to_any();
formatter.format_to_string(&any).unwrap()
}
fn format_date(
&self,
time: NaiveDate,
date_style: length::Date,
time_style: length::Time,
) -> String {
unimplemented!()
}
fn format_f64(&self, value: f64) -> String {
unimplemented!()
}
}
struct DateTime(chrono::DateTime<Tz>);
impl Deref for DateTime {
type Target = chrono::DateTime<Tz>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<chrono::DateTime<Tz>> for DateTime {
fn from(time: chrono::DateTime<Tz>) -> Self {
Self(time)
}
}
impl From<DateTime> for icu::calendar::DateTime<icu::calendar::Gregorian> {
fn from(time: DateTime) -> Self {
// SAFETY: these unwraps should be safe since chrono dates are already valid Gregorian
// dates
icu::calendar::DateTime::try_new_gregorian_datetime(
time.year(),
time.month().try_into().unwrap(),
time.day().try_into().unwrap(),
time.hour().try_into().unwrap(),
time.minute().try_into().unwrap(),
time.second().try_into().unwrap(),
)
.unwrap()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_formats_a_time_according_to_locale() {
let l10n = L10N::default();
let now = NaiveDate::from_ymd_opt(2006, 1, 2)
.unwrap()
.and_hms_opt(3, 4, 5)
.unwrap()
.and_local_timezone(Tz::UTC)
.unwrap()
.into();
// 202f is the code-point for a narrow non-breaking space. Presumably this is used in
// particular to ensure that the am/pm marker doesn't get split off from the time
assert_eq!(
l10n.format_date_time_tz(now, length::Date::Long, length::Time::Medium),
"January 2, 2006, 3:04:05\u{202f}AM"
);
}
#[test]
fn it_formats_a_number_according_to_locale() {
unimplemented!()
}
}