icu_locale_core/preferences/extensions/unicode/keywords/
line_break.rs

1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5#[cfg(feature = "alloc")]
6use crate::preferences::extensions::unicode::enum_keyword;
7
8#[cfg(feature = "alloc")]
9enum_keyword!(
10    /// A Unicode Line Break Style Identifier defines a preferred line break style corresponding to the CSS level 3 line-break option.
11    ///
12    /// Specifying "lb" in a locale identifier overrides the locale’s default style
13    /// (which may correspond to "normal" or "strict").
14    ///
15    /// The valid values are listed in [LDML](https://unicode.org/reports/tr35/#UnicodeLineBreakStyleIdentifier).
16    LineBreakStyle {
17        /// CSS level 3 line-break=strict, e.g. treat CJ as NS
18        ("strict" => Strict),
19        /// CSS level 3 line-break=normal, e.g. treat CJ as ID, break before hyphens for ja,zh
20        ("normal" => Normal),
21        /// CSS lev 3 line-break=loose
22        ("loose" => Loose),
23}, "lb");