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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 crate::provider::ffi::ICU4XDataProvider;
use alloc::boxed::Box;
use icu_collections::codepointtrie::TrieValue;
use icu_properties::{maps, GeneralCategory, GeneralCategoryGroup};
use crate::errors::ffi::ICU4XError;
use crate::properties_iter::ffi::CodePointRangeIterator;
use crate::properties_sets::ffi::ICU4XCodePointSetData;
#[diplomat::opaque]
/// An ICU4X Unicode Map Property object, capable of querying whether a code point (key) to obtain the Unicode property value, for a specific Unicode property.
///
/// For properties whose values fit into 8 bits.
#[diplomat::rust_link(icu::properties, Mod)]
#[diplomat::rust_link(icu::properties::maps::CodePointMapData, Struct)]
#[diplomat::rust_link(icu::properties::maps::CodePointMapData::from_data, FnInStruct, hidden)]
#[diplomat::rust_link(
icu::properties::maps::CodePointMapData::try_into_converted,
FnInStruct,
hidden
)]
#[diplomat::rust_link(icu::properties::maps::CodePointMapDataBorrowed, Struct)]
pub struct ICU4XCodePointMapData8(maps::CodePointMapData<u8>);
fn convert_8<P: TrieValue>(data: maps::CodePointMapData<P>) -> Box<ICU4XCodePointMapData8> {
#[allow(clippy::expect_used)] // infallible for the chosen properties
Box::new(ICU4XCodePointMapData8(
data.try_into_converted()
.expect("try_into_converted to u8 must be infallible"),
))
}
impl ICU4XCodePointMapData8 {
/// Gets the value for a code point.
#[diplomat::rust_link(icu::properties::maps::CodePointMapDataBorrowed::get, FnInStruct)]
pub fn get(&self, cp: char) -> u8 {
self.0.as_borrowed().get(cp)
}
/// Gets the value for a code point (specified as a 32 bit integer, in UTF-32)
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::get32,
FnInStruct,
hidden
)]
pub fn get32(&self, cp: u32) -> u8 {
self.0.as_borrowed().get32(cp)
}
/// Converts a general category to its corresponding mask value
///
/// Nonexistant general categories will map to the empty mask
#[diplomat::rust_link(icu::properties::GeneralCategoryGroup, Struct)]
pub fn general_category_to_mask(gc: u8) -> u32 {
if let Ok(gc) = GeneralCategory::try_from(gc) {
let group: GeneralCategoryGroup = gc.into();
group.into()
} else {
0
}
}
/// Produces an iterator over ranges of code points that map to `value`
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::iter_ranges_for_value,
FnInStruct
)]
pub fn iter_ranges_for_value<'a>(&'a self, value: u8) -> Box<CodePointRangeIterator<'a>> {
Box::new(CodePointRangeIterator(Box::new(
self.0.as_borrowed().iter_ranges_for_value(value),
)))
}
/// Produces an iterator over ranges of code points that do not map to `value`
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::iter_ranges_for_value_complemented,
FnInStruct
)]
pub fn iter_ranges_for_value_complemented<'a>(
&'a self,
value: u8,
) -> Box<CodePointRangeIterator<'a>> {
Box::new(CodePointRangeIterator(Box::new(
self.0
.as_borrowed()
.iter_ranges_for_value_complemented(value),
)))
}
/// Given a mask value (the nth bit marks property value = n), produce an iterator over ranges of code points
/// whose property values are contained in the mask.
///
/// The main mask property supported is that for General_Category, which can be obtained via `general_category_to_mask()` or
/// by using `ICU4XGeneralCategoryNameToMaskMapper`
///
/// Should only be used on maps for properties with values less than 32 (like Generak_Category),
/// other maps will have unpredictable results
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::iter_ranges_for_group,
FnInStruct
)]
pub fn iter_ranges_for_mask<'a>(&'a self, mask: u32) -> Box<CodePointRangeIterator<'a>> {
let ranges = self
.0
.as_borrowed()
.iter_ranges_mapped(move |v| {
let val_mask = 1_u32.checked_shl(v.into()).unwrap_or(0);
val_mask & mask != 0
})
.filter(|v| v.value)
.map(|v| v.range);
Box::new(CodePointRangeIterator(Box::new(ranges)))
}
/// Gets a [`ICU4XCodePointSetData`] representing all entries in this map that map to the given value
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::get_set_for_value,
FnInStruct
)]
pub fn get_set_for_value(&self, value: u8) -> Box<ICU4XCodePointSetData> {
Box::new(ICU4XCodePointSetData(
self.0.as_borrowed().get_set_for_value(value),
))
}
#[diplomat::rust_link(icu::properties::maps::general_category, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_general_category, Fn, hidden)]
pub fn load_general_category(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::general_category [r => Ok(r.static_to_owned())],
maps::load_general_category,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::bidi_class, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_bidi_class, Fn, hidden)]
pub fn load_bidi_class(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::bidi_class [r => Ok(r.static_to_owned())],
maps::load_bidi_class,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::east_asian_width, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_east_asian_width, Fn, hidden)]
pub fn load_east_asian_width(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::east_asian_width [r => Ok(r.static_to_owned())],
maps::load_east_asian_width,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::indic_syllabic_category, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_indic_syllabic_category, Fn, hidden)]
pub fn load_indic_syllabic_category(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::indic_syllabic_category [r => Ok(r.static_to_owned())],
maps::load_indic_syllabic_category,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::line_break, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_line_break, Fn, hidden)]
pub fn load_line_break(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::line_break [r => Ok(r.static_to_owned())],
maps::load_line_break,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::grapheme_cluster_break, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_grapheme_cluster_break, Fn, hidden)]
#[diplomat::attr(dart, rename = "grapheme_cluster_break")]
pub fn try_grapheme_cluster_break(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::grapheme_cluster_break [r => Ok(r.static_to_owned())],
maps::load_grapheme_cluster_break,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::word_break, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_word_break, Fn, hidden)]
pub fn load_word_break(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::word_break [r => Ok(r.static_to_owned())],
maps::load_word_break,
provider,
)?))
}
#[diplomat::rust_link(icu::properties::maps::sentence_break, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_sentence_break, Fn, hidden)]
pub fn load_sentence_break(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData8>, ICU4XError> {
Ok(convert_8(call_constructor_unstable!(
maps::sentence_break [r => Ok(r.static_to_owned())],
maps::load_sentence_break,
provider,
)?))
}
}
#[diplomat::opaque]
/// An ICU4X Unicode Map Property object, capable of querying whether a code point (key) to obtain the Unicode property value, for a specific Unicode property.
///
/// For properties whose values fit into 16 bits.
#[diplomat::rust_link(icu::properties, Mod)]
#[diplomat::rust_link(icu::properties::maps::CodePointMapData, Struct)]
#[diplomat::rust_link(icu::properties::maps::CodePointMapDataBorrowed, Struct)]
pub struct ICU4XCodePointMapData16(maps::CodePointMapData<u16>);
impl ICU4XCodePointMapData16 {
/// Gets the value for a code point.
#[diplomat::rust_link(icu::properties::maps::CodePointMapDataBorrowed::get, FnInStruct)]
pub fn get(&self, cp: char) -> u16 {
self.0.as_borrowed().get(cp)
}
/// Gets the value for a code point (specified as a 32 bit integer, in UTF-32)
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::get32,
FnInStruct,
hidden
)]
pub fn get32(&self, cp: u32) -> u16 {
self.0.as_borrowed().get32(cp)
}
/// Produces an iterator over ranges of code points that map to `value`
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::iter_ranges_for_value,
FnInStruct
)]
pub fn iter_ranges_for_value<'a>(&'a self, value: u16) -> Box<CodePointRangeIterator<'a>> {
Box::new(CodePointRangeIterator(Box::new(
self.0.as_borrowed().iter_ranges_for_value(value),
)))
}
/// Produces an iterator over ranges of code points that do not map to `value`
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::iter_ranges_for_value_complemented,
FnInStruct
)]
pub fn iter_ranges_for_value_complemented<'a>(
&'a self,
value: u16,
) -> Box<CodePointRangeIterator<'a>> {
Box::new(CodePointRangeIterator(Box::new(
self.0
.as_borrowed()
.iter_ranges_for_value_complemented(value),
)))
}
/// Gets a [`ICU4XCodePointSetData`] representing all entries in this map that map to the given value
#[diplomat::rust_link(
icu::properties::maps::CodePointMapDataBorrowed::get_set_for_value,
FnInStruct
)]
pub fn get_set_for_value(&self, value: u16) -> Box<ICU4XCodePointSetData> {
Box::new(ICU4XCodePointSetData(
self.0.as_borrowed().get_set_for_value(value),
))
}
#[diplomat::rust_link(icu::properties::maps::script, Fn)]
#[diplomat::rust_link(icu::properties::maps::load_script, Fn, hidden)]
pub fn load_script(
provider: &ICU4XDataProvider,
) -> Result<Box<ICU4XCodePointMapData16>, ICU4XError> {
#[allow(clippy::expect_used)] // script is a 16-bit property
Ok(Box::new(ICU4XCodePointMapData16(
call_constructor_unstable!(
maps::script [r => Ok(r.static_to_owned())],
maps::load_script,
provider,
)?
.try_into_converted()
.expect("try_into_converted to u16 must be infallible"),
)))
}
}
}
|
