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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
commit | 4547b622d8d29df964fa2914213088b148c498fc (patch) | |
tree | 9fc6b25f3c3add6b745be9a2400a6e96140046e9 /vendor/icu_locid/src/extensions/other/subtag.rs | |
parent | Releasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz rustc-4547b622d8d29df964fa2914213088b148c498fc.zip |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/icu_locid/src/extensions/other/subtag.rs')
-rw-r--r-- | vendor/icu_locid/src/extensions/other/subtag.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/icu_locid/src/extensions/other/subtag.rs b/vendor/icu_locid/src/extensions/other/subtag.rs new file mode 100644 index 000000000..60995c395 --- /dev/null +++ b/vendor/icu_locid/src/extensions/other/subtag.rs @@ -0,0 +1,37 @@ +// 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 ). + +impl_tinystr_subtag!( + /// A single item used in a list of [`Other`](super::Other) extensions. + /// + /// The subtag has to be an ASCII alphanumerical string no shorter than + /// two characters and no longer than eight. + /// + /// # Examples + /// + /// ``` + /// use icu::locid::extensions::other::Subtag; + /// + /// let subtag: Subtag = "Foo".parse().expect("Failed to parse a Subtag."); + /// + /// assert_eq!(subtag.as_str(), "foo"); + /// ``` + Subtag, + extensions::other::Subtag, + extensions_other_subtag, + 2..=8, + s, + s.is_ascii_alphanumeric(), + s.to_ascii_lowercase(), + s.is_ascii_alphanumeric() && s.is_ascii_lowercase(), + InvalidExtension, + ["foo12"], + ["y", "toolooong"], +); + +impl Subtag { + pub(crate) const fn valid_key(v: &[u8]) -> bool { + 2 <= v.len() && v.len() <= 8 + } +} |