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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/rust/unic-langid-impl/src/serde.rs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/unic-langid-impl/src/serde.rs')
-rw-r--r-- | third_party/rust/unic-langid-impl/src/serde.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/rust/unic-langid-impl/src/serde.rs b/third_party/rust/unic-langid-impl/src/serde.rs new file mode 100644 index 0000000000..faac0b0288 --- /dev/null +++ b/third_party/rust/unic-langid-impl/src/serde.rs @@ -0,0 +1,60 @@ +use crate::LanguageIdentifier; +use serde::{Deserialize, Deserializer, Serialize, Serializer}; + +impl Serialize for LanguageIdentifier { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_str(&self.to_string()) + } +} + +impl<'de> Deserialize<'de> for LanguageIdentifier { + fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> + where + D: Deserializer<'de>, + { + struct LanguageIdentifierVisitor; + + impl<'de> serde::de::Visitor<'de> for LanguageIdentifierVisitor { + type Value = LanguageIdentifier; + + fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + write!(formatter, "A valid Unicode Language Identifier") + } + + fn visit_str<E>(self, s: &str) -> Result<Self::Value, E> + where + E: serde::de::Error, + { + s.parse::<LanguageIdentifier>() + .map_err(serde::de::Error::custom) + } + } + + deserializer.deserialize_string(LanguageIdentifierVisitor) + } +} + +#[test] +fn serialize() -> Result<(), Box<dyn std::error::Error>> { + let fr = serde_json::json!("fr".parse::<LanguageIdentifier>()?); + let en = serde_json::json!("en-US".parse::<LanguageIdentifier>()?); + + assert_eq!(serde_json::to_string(&fr)?, r#""fr""#); + assert_eq!(serde_json::to_string(&en)?, r#""en-US""#); + + Ok(()) +} + +#[test] +fn deserialize() -> Result<(), Box<dyn std::error::Error>> { + let fr = serde_json::from_str::<LanguageIdentifier>(r#""fr""#)?; + let en = serde_json::from_str::<LanguageIdentifier>(r#""en-US""#)?; + + assert_eq!(fr, "fr".parse::<LanguageIdentifier>()?); + assert_eq!(en, "en-US".parse::<LanguageIdentifier>()?); + + Ok(()) +} |