icu_locale_core/preferences/extensions/unicode/keywords/
dictionary_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::extensions::unicode::Value;
7#[cfg(feature = "alloc")]
8use crate::preferences::extensions::unicode::errors::PreferencesParseError;
9#[cfg(feature = "alloc")]
10use crate::preferences::extensions::unicode::struct_keyword;
11#[cfg(feature = "alloc")]
12use crate::subtags::Script;
13#[cfg(feature = "alloc")]
14use alloc::vec::Vec;
15#[cfg(feature = "alloc")]
16use core::str::FromStr;
17
18#[cfg(feature = "alloc")]
19struct_keyword!(
20    /// A Unicode Dictionary Break Exclusion Identifier specifies
21    /// scripts to be excluded from dictionary-based text break (for words and lines).
22    ///
23    /// The valid values are of one or more items of type [`Script`](crate::subtags::Script).
24    DictionaryBreakScriptExclusions,
25    "dx",
26    Vec<Script>,
27    |input: Value| {
28        input
29            .into_iter()
30            .map(|s| {
31                Script::from_str(s.as_str()).map_err(|_| PreferencesParseError::InvalidKeywordValue)
32            })
33            .collect::<Result<_, _>>()
34            .map(Self)
35    },
36    |input: DictionaryBreakScriptExclusions| {
37        input.0.into_iter().map(Into::into).collect()
38    }
39);