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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
#[diplomat::bridge]
pub mod ffi {
use crate::{
errors::ffi::ICU4XError,
locale::ffi::ICU4XLocale,
locid_transform::ffi::ICU4XLocaleExpander,
provider::{ffi::ICU4XDataProvider, ICU4XDataProviderInner},
};
use alloc::boxed::Box;
use icu_locid_transform::{Direction, LocaleDirectionality};
#[diplomat::rust_link(icu::locid_transform::Direction, Enum)]
pub enum ICU4XLocaleDirection {
LeftToRight,
RightToLeft,
Unknown,
}
#[diplomat::opaque]
#[diplomat::rust_link(icu::locid_transform::LocaleDirectionality, Struct)]
pub struct ICU4XLocaleDirectionality(pub LocaleDirectionality);
impl ICU4XLocaleDirectionality {
/// Construct a new ICU4XLocaleDirectionality instance
#[diplomat::rust_link(icu::locid_transform::LocaleDirectionality::new, FnInStruct)]
pub fn create(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XLocaleDirectionality>, ICU4XError> {
Ok(Box::new(ICU4XLocaleDirectionality(call_constructor!(
LocaleDirectionality::new [r => Ok(r)],
LocaleDirectionality::try_new_with_any_provider,
LocaleDirectionality::try_new_with_buffer_provider,
provider,
)?)))
}
/// Construct a new ICU4XLocaleDirectionality instance with a custom expander
#[diplomat::rust_link(
icu::locid_transform::LocaleDirectionality::new_with_expander,
FnInStruct
)]
pub fn create_with_expander(
provider: &ICU4XDataProvider,
expander: &ICU4XLocaleExpander,
) -> Result<Box<ICU4XLocaleDirectionality>, ICU4XError> {
#[allow(unused_imports)]
use icu_provider::prelude::*;
Ok(Box::new(ICU4XLocaleDirectionality(match &provider.0 {
ICU4XDataProviderInner::Destroyed => Err(icu_provider::DataError::custom(
"This provider has been destroyed",
))?,
ICU4XDataProviderInner::Empty => {
LocaleDirectionality::try_new_with_expander_unstable(
&icu_provider_adapters::empty::EmptyDataProvider::new(),
expander.0.clone(),
)?
}
#[cfg(feature = "buffer_provider")]
ICU4XDataProviderInner::Buffer(buffer_provider) => {
LocaleDirectionality::try_new_with_expander_unstable(
&buffer_provider.as_deserializing(),
expander.0.clone(),
)?
}
#[cfg(feature = "compiled_data")]
ICU4XDataProviderInner::Compiled => {
LocaleDirectionality::new_with_expander(expander.0.clone())
}
})))
}
#[diplomat::rust_link(icu::locid_transform::LocaleDirectionality::get, FnInStruct)]
pub fn get(&self, locale: &ICU4XLocale) -> ICU4XLocaleDirection {
match self.0.get(&locale.0) {
Some(Direction::LeftToRight) => ICU4XLocaleDirection::LeftToRight,
Some(Direction::RightToLeft) => ICU4XLocaleDirection::RightToLeft,
_ => ICU4XLocaleDirection::Unknown,
}
}
#[diplomat::rust_link(
icu::locid_transform::LocaleDirectionality::is_left_to_right,
FnInStruct
)]
pub fn is_left_to_right(&self, locale: &ICU4XLocale) -> bool {
self.0.is_left_to_right(&locale.0)
}
#[diplomat::rust_link(
icu::locid_transform::LocaleDirectionality::is_right_to_left,
FnInStruct
)]
pub fn is_right_to_left(&self, locale: &ICU4XLocale) -> bool {
self.0.is_right_to_left(&locale.0)
}
}
}