Locales

AUTHORS.txt

@@ -8,6 +8,7 @@ Ben Boeckel <[email protected]>
 Ben Eills <[email protected]>
 Brandon W Maister <[email protected]>
 Brandon W Maister <[email protected]>
+Cecile Tonglet <[email protected]>
 Colin Ray <[email protected]>
 Corey Farwell <[email protected]>
 Dan <[email protected]>

CHANGELOG.md

@@ -10,6 +10,8 @@ Versions with only mechanical changes will be omitted from the following list.
 
 ## 0.4.14 (unreleased)
 
+* Added locales. All format functions can now use locales.
+
 ## Improvements
 
 * Added MIN and MAX values for `NaiveTime`, `NaiveDateTime` and `DateTime<Utc>`.

Cargo.toml

@@ -29,6 +29,7 @@ alloc = []
 std = []
 clock = ["time", "std"]
 wasmbind = ["wasm-bindgen", "js-sys"]
+locales = ["pure-rust-locales"]
 __internal_bench = []
 __doctest = []
 
@@ -38,6 +39,7 @@ num-integer = { version = "0.1.36", default-features = false }
 num-traits = { version = "0.2", default-features = false }
 rustc-serialize = { version = "0.3.20", optional = true }
 serde = { version = "1.0.99", default-features = false, optional = true }
+pure-rust-locales = { version = "0.2.1", optional = true }
 
 [target.'cfg(all(target_arch = "wasm32", not(any(target_os = "emscripten", target_os = "wasi"))))'.dependencies]
 wasm-bindgen = { version = "0.2", optional = true }

ci/github.sh

@@ -6,7 +6,7 @@ set -euo pipefail
 source "${BASH_SOURCE[0]%/*}/_shlib.sh"
 
 TEST_TZS=(ACST-9:30 EST4 UTC0 Asia/Katmandu)
-FEATURES=(std serde clock "alloc serde")
+FEATURES=(std serde clock "alloc serde" locales)
 RUST_113_FEATURES=(rustc-serialize serde)
 
 main() {

src/format/locales.rs

@@ -0,0 +1,28 @@
+use super::{FormatError, FormatErrorKind, FormatResult};
+
+macro_rules! locale_match {
+    ($locale:expr => $($item:ident)::+) => {{
+        match $locale {
+            "en_US" => Ok(pure_rust_locales::en_US::$($item)::+),
+            "fr_BE" => Ok(pure_rust_locales::fr_BE::$($item)::+),
+            // TODO: all the locales are available
+            _ => Err(FormatError(FormatErrorKind::UnknownLocale)),
+        }
+    }}
+}
+
+pub(crate) fn short_months(locale: &str) -> FormatResult<&[&'static str]> {
+    locale_match!(locale => LC_TIME::ABMON)
+}
+
+pub(crate) fn long_months(locale: &str) -> FormatResult<&[&'static str]> {
+    locale_match!(locale => LC_TIME::MON)
+}
+
+pub(crate) fn short_weekdays(locale: &str) -> FormatResult<&[&'static str]> {
+    locale_match!(locale => LC_TIME::ABDAY)
+}
+
+pub(crate) fn long_weekdays(locale: &str) -> FormatResult<&[&'static str]> {
+    locale_match!(locale => LC_TIME::DAY)
+}