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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
#[diplomat::bridge]
pub mod ffi {
use alloc::boxed::Box;
use icu_calendar::{DateTime, Gregorian};
use icu_datetime::{options::length, TypedZonedDateTimeFormatter, ZonedDateTimeFormatter};
use writeable::Writeable;
use crate::{
datetime::ffi::ICU4XDateTime, datetime::ffi::ICU4XIsoDateTime,
datetime_formatter::ffi::ICU4XDateLength, datetime_formatter::ffi::ICU4XTimeLength,
errors::ffi::ICU4XError, locale::ffi::ICU4XLocale, provider::ffi::ICU4XDataProvider,
timezone::ffi::ICU4XCustomTimeZone, timezone_formatter::ffi::ICU4XIsoTimeZoneOptions,
};
// TODO(https://github.com/rust-diplomat/diplomat/issues/248)
#[allow(unused_imports)]
use crate::{
timezone_formatter::ffi::ICU4XIsoTimeZoneFormat,
timezone_formatter::ffi::ICU4XIsoTimeZoneMinuteDisplay,
timezone_formatter::ffi::ICU4XIsoTimeZoneSecondDisplay,
};
#[diplomat::opaque]
/// An object capable of formatting a date time with time zone to a string.
#[diplomat::rust_link(icu::datetime::TypedZonedDateTimeFormatter, Struct)]
pub struct ICU4XGregorianZonedDateTimeFormatter(pub TypedZonedDateTimeFormatter<Gregorian>);
impl ICU4XGregorianZonedDateTimeFormatter {
/// Creates a new [`ICU4XGregorianZonedDateTimeFormatter`] from locale data.
///
/// This function has `date_length` and `time_length` arguments and uses default options
/// for the time zone.
#[diplomat::rust_link(icu::datetime::TypedZonedDateTimeFormatter::try_new, FnInStruct)]
pub fn create_with_lengths(
provider: &ICU4XDataProvider,
locale: &ICU4XLocale,
date_length: ICU4XDateLength,
time_length: ICU4XTimeLength,
) -> Result<Box<ICU4XGregorianZonedDateTimeFormatter>, ICU4XError> {
let locale = locale.to_datalocale();
Ok(Box::new(ICU4XGregorianZonedDateTimeFormatter(
call_constructor!(
TypedZonedDateTimeFormatter::<Gregorian>::try_new,
TypedZonedDateTimeFormatter::<Gregorian>::try_new_with_any_provider,
TypedZonedDateTimeFormatter::<Gregorian>::try_new_with_buffer_provider,
provider,
&locale,
length::Bag::from_date_time_style(date_length.into(), time_length.into())
.into(),
Default::default(),
)?,
)))
}
/// Creates a new [`ICU4XGregorianZonedDateTimeFormatter`] from locale data.
///
/// This function has `date_length` and `time_length` arguments and uses an ISO-8601 style
/// fallback for the time zone with the given configurations.
#[diplomat::rust_link(icu::datetime::TypedZonedDateTimeFormatter::try_new, FnInStruct)]
pub fn create_with_lengths_and_iso_8601_time_zone_fallback(
provider: &ICU4XDataProvider,
locale: &ICU4XLocale,
date_length: ICU4XDateLength,
time_length: ICU4XTimeLength,
zone_options: ICU4XIsoTimeZoneOptions,
) -> Result<Box<ICU4XGregorianZonedDateTimeFormatter>, ICU4XError> {
let locale = locale.to_datalocale();
Ok(Box::new(ICU4XGregorianZonedDateTimeFormatter(
call_constructor!(
TypedZonedDateTimeFormatter::<Gregorian>::try_new,
TypedZonedDateTimeFormatter::<Gregorian>::try_new_with_any_provider,
TypedZonedDateTimeFormatter::<Gregorian>::try_new_with_buffer_provider,
provider,
&locale,
length::Bag::from_date_time_style(date_length.into(), time_length.into())
.into(),
zone_options.into(),
)?,
)))
}
/// Formats a [`ICU4XIsoDateTime`] and [`ICU4XCustomTimeZone`] to a string.
#[diplomat::rust_link(icu::datetime::TypedZonedDateTimeFormatter::format, FnInStruct)]
#[diplomat::rust_link(
icu::datetime::TypedZonedDateTimeFormatter::format_to_string,
FnInStruct,
hidden
)]
pub fn format_iso_datetime_with_custom_time_zone(
&self,
datetime: &ICU4XIsoDateTime,
time_zone: &ICU4XCustomTimeZone,
write: &mut diplomat_runtime::DiplomatWriteable,
) -> Result<(), ICU4XError> {
let greg = DateTime::new_from_iso(datetime.0, Gregorian);
self.0.format(&greg, &time_zone.0).write_to(write)?;
Ok(())
}
}
#[diplomat::opaque]
/// An object capable of formatting a date time with time zone to a string.
#[diplomat::rust_link(icu::datetime::ZonedDateTimeFormatter, Struct)]
pub struct ICU4XZonedDateTimeFormatter(pub ZonedDateTimeFormatter);
impl ICU4XZonedDateTimeFormatter {
/// Creates a new [`ICU4XZonedDateTimeFormatter`] from locale data.
///
/// This function has `date_length` and `time_length` arguments and uses default options
/// for the time zone.
#[diplomat::rust_link(icu::datetime::ZonedDateTimeFormatter::try_new, FnInStruct)]
pub fn create_with_lengths(
provider: &ICU4XDataProvider,
locale: &ICU4XLocale,
date_length: ICU4XDateLength,
time_length: ICU4XTimeLength,
) -> Result<Box<ICU4XZonedDateTimeFormatter>, ICU4XError> {
let locale = locale.to_datalocale();
Ok(Box::new(ICU4XZonedDateTimeFormatter(call_constructor!(
ZonedDateTimeFormatter::try_new,
ZonedDateTimeFormatter::try_new_with_any_provider,
ZonedDateTimeFormatter::try_new_with_buffer_provider,
provider,
&locale,
length::Bag::from_date_time_style(date_length.into(), time_length.into()).into(),
Default::default(),
)?)))
}
/// Creates a new [`ICU4XZonedDateTimeFormatter`] from locale data.
///
/// This function has `date_length` and `time_length` arguments and uses an ISO-8601 style
/// fallback for the time zone with the given configurations.
#[diplomat::rust_link(icu::datetime::ZonedDateTimeFormatter::try_new, FnInStruct)]
pub fn create_with_lengths_and_iso_8601_time_zone_fallback(
provider: &ICU4XDataProvider,
locale: &ICU4XLocale,
date_length: ICU4XDateLength,
time_length: ICU4XTimeLength,
zone_options: ICU4XIsoTimeZoneOptions,
) -> Result<Box<ICU4XZonedDateTimeFormatter>, ICU4XError> {
let locale = locale.to_datalocale();
Ok(Box::new(ICU4XZonedDateTimeFormatter(call_constructor!(
ZonedDateTimeFormatter::try_new,
ZonedDateTimeFormatter::try_new_with_any_provider,
ZonedDateTimeFormatter::try_new_with_buffer_provider,
provider,
&locale,
length::Bag::from_date_time_style(date_length.into(), time_length.into()).into(),
zone_options.into(),
)?)))
}
/// Formats a [`ICU4XDateTime`] and [`ICU4XCustomTimeZone`] to a string.
#[diplomat::rust_link(icu::datetime::ZonedDateTimeFormatter::format, FnInStruct)]
#[diplomat::rust_link(
icu::datetime::ZonedDateTimeFormatter::format_to_string,
FnInStruct,
hidden
)]
pub fn format_datetime_with_custom_time_zone(
&self,
datetime: &ICU4XDateTime,
time_zone: &ICU4XCustomTimeZone,
write: &mut diplomat_runtime::DiplomatWriteable,
) -> Result<(), ICU4XError> {
self.0.format(&datetime.0, &time_zone.0)?.write_to(write)?;
Ok(())
}
/// Formats a [`ICU4XIsoDateTime`] and [`ICU4XCustomTimeZone`] to a string.
#[diplomat::rust_link(icu::datetime::ZonedDateTimeFormatter::format, FnInStruct)]
#[diplomat::rust_link(
icu::datetime::ZonedDateTimeFormatter::format_to_string,
FnInStruct,
hidden
)]
pub fn format_iso_datetime_with_custom_time_zone(
&self,
datetime: &ICU4XIsoDateTime,
time_zone: &ICU4XCustomTimeZone,
write: &mut diplomat_runtime::DiplomatWriteable,
) -> Result<(), ICU4XError> {
self.0
.format(&datetime.0.to_any(), &time_zone.0)?
.write_to(write)?;
Ok(())
}
}
}
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