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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 ).
// Provider structs must be stable.
#![allow(clippy::exhaustive_structs, clippy::exhaustive_enums)]
// Suppress a warning on zerovec::makevarule.
#![allow(missing_docs)]
//! Data provider struct definitions for this ICU4X component.
//!
//! Read more about data providers: [`icu_provider`]
use alloc::borrow::Cow;
use icu_plurals::PluralCategory;
use icu_provider::prelude::*;
use zerovec::ZeroMap2d;
#[cfg(feature = "compiled_data")]
/// Baked data
///
/// <div class="stab unstable">
/// 🚧 This code is considered unstable; it may change at any time, in breaking or non-breaking ways,
/// including in SemVer minor releases. In particular, the `DataProvider` implementations are only
/// guaranteed to match with this version's `*_unstable` providers. Use with caution.
/// </div>
pub use crate::provider::Baked;
/// Compact Decimal Pattern V1 data struct.
///
/// As in CLDR, this is a mapping from type (a power of ten, corresponding to
/// the magnitude of the number being formatted) and count (a plural case or an
/// explicit 1) to a pattern.
///
/// However, plural cases that are identical to the other case are omitted, thus
/// given
/// > (1000, one) ↦ 0K, (1000, other) ↦ 0K
///
/// only
/// > (1000, other) ↦ 0K
///
/// is stored.
///
/// Further, if all plural cases are compatible across consecutive types, the
/// larger types are omitted, thus given
/// > (1000, other) ↦ 0K, (10000, other) ↦ 00K, (100000, other) ↦ 000K
///
/// only
/// > (1000, other) ↦ 0K
///
/// is stored.
///
/// Finally, the pattern indicating noncompact notation for the first few powers
/// of ten is omitted; that is, there is an implicit (1, other) ↦ 0.
#[icu_provider::data_struct(
LongCompactDecimalFormatDataV1Marker = "compactdecimal/long@1",
ShortCompactDecimalFormatDataV1Marker = "compactdecimal/short@1"
)]
#[derive(Debug, Clone, Default, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize))]
#[cfg_attr(feature = "datagen", derive(serde::Serialize, databake::Bake))]
#[cfg_attr(feature = "datagen", databake(path = icu_experimental::compactdecimal::provider))]
#[yoke(prove_covariance_manually)]
pub struct CompactDecimalPatternDataV1<'data> {
/// A map keyed on log10 of the CLDR `type` attribute and the CLDR `count` attribute.
#[cfg_attr(feature = "serde", serde(borrow))]
pub patterns: ZeroMap2d<'data, i8, Count, PatternULE>,
}
/// A CLDR plural keyword, or the explicit value 1.
/// See <https://www.unicode.org/reports/tr35/tr35-numbers.html#Language_Plural_Rules>.
#[zerovec::make_ule(CountULE)]
#[zerovec::derive(Debug)]
#[derive(Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Debug)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize))]
#[cfg_attr(feature = "datagen", derive(serde::Serialize, databake::Bake))]
#[cfg_attr(feature = "datagen", databake(path = icu_experimental::compactdecimal::provider))]
#[repr(u8)]
pub enum Count {
/// The CLDR keyword `zero`.
Zero = 0,
/// The CLDR keyword `one`.
One = 1,
/// The CLDR keyword `two`.
Two = 2,
/// The CLDR keyword `few`.
Few = 3,
/// The CLDR keyword `many`.
Many = 4,
/// The CLDR keyword `other`.
Other = 5,
/// The explicit 1 case, see <https://www.unicode.org/reports/tr35/tr35-numbers.html#Explicit_0_1_rules>.
Explicit1 = 6,
// NOTE(egg): No explicit 0, because the compact decimal pattern selection
// algorithm does not allow such a thing to arise.
}
impl From<PluralCategory> for Count {
fn from(other: PluralCategory) -> Self {
use PluralCategory::*;
match other {
Zero => Count::Zero,
One => Count::One,
Two => Count::Two,
Few => Count::Few,
Many => Count::Many,
Other => Count::Other,
}
}
}
/// A compact decimal pattern, representing some literal text with an optional
/// placeholder, and the power of 10 expressed by the text.
#[derive(
Debug, Clone, Default, PartialEq, yoke::Yokeable, zerofrom::ZeroFrom, Ord, PartialOrd, Eq,
)]
#[zerovec::make_varule(PatternULE)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize))]
#[cfg_attr(feature = "datagen", derive(serde::Serialize, databake::Bake))]
#[cfg_attr(feature = "datagen", databake(path = icu_experimental::compactdecimal::provider))]
#[cfg_attr(feature = "datagen", zerovec::derive(Serialize))]
#[zerovec::derive(Debug)]
#[cfg_attr(feature = "serde", zerovec::derive(Deserialize))]
pub struct Pattern<'data> {
/// The compact decimal exponent, e.g., 6 for "million".
/// The value 0 indicates that compact notation is not used; in that case,
/// literal text must be empty; this corresponds to the CLDR pattern "0".
/// This is derived from the numbers of 0s in the pattern and the associated
/// `type` attribute; it is a more convenient representation than the number
/// of 0s, because it is often common to multiple types; for instance, the
/// following correspond to the same [`Pattern`]:
/// <pattern type="1000000" count="other">0 M</pattern>
/// <pattern type="10000000" count="other">00 M</pattern>
pub exponent: i8,
/// The index in literal_text before which the placeholder is inserted;
/// this is 0 for insertion at the beginning, which is most common.
/// The value 255 indicates that the pattern does not have a placeholder,
/// as in French "mille" for 1000.
pub index: u8,
#[cfg_attr(feature = "serde", serde(borrow))]
/// The underlying CLDR pattern with the placeholder removed, e.g.,
/// " M" for the pattern "000 M"
pub literal_text: Cow<'data, str>,
}