add baked ICU4X provider to fluent-bundle

Author: JasperDeSutter

Cargo.toml

@@ -45,6 +45,7 @@ unic-langid = "0.9"
 icu_locid = "1.4"
 icu_provider = "1.4"
 icu_decimal = "1.4"
+icu = { version = "1.4", default-features = false }
 fixed_decimal = "0.5"
 
 fluent-bundle = { version = "0.15.3", path = "fluent-bundle" }

fluent-bundle/Cargo.toml

@@ -30,6 +30,7 @@ fluent-syntax.workspace = true
 icu_decimal.workspace = true
 icu_locid.workspace = true
 icu_provider = { workspace = true, features = ["sync"] }
+icu.workspace = true
 intl_pluralrules.workspace = true
 rustc-hash.workspace = true
 unic-langid.workspace = true
@@ -40,7 +41,6 @@ smallvec = "1.13"
 [dev-dependencies]
 criterion.workspace = true
 iai.workspace = true
-icu_testdata = "1.4"
 serde = { workspace = true, features = ["derive"] }
 unic-langid = { workspace = true, features = ["macros"] }
 rand = "0.8"

fluent-bundle/src/icu4x_data/any.rs

@@ -0,0 +1,2 @@
+// @generated
+impl_any_provider ! (BakedDataProvider) ;

fluent-bundle/src/icu4x_data/macros.rs

@@ -0,0 +1,2 @@
+// @generated
+# [doc = r" Marks a type as a data provider. You can then use macros like"] # [doc = r" `impl_core_helloworld_v1` to add implementations."] # [doc = r""] # [doc = r" ```ignore"] # [doc = r" struct MyProvider;"] # [doc = r" const _: () = {"] # [doc = r#"     include!("path/to/generated/macros.rs");"#] # [doc = r"     make_provider!(MyProvider);"] # [doc = r"     impl_core_helloworld_v1!(MyProvider);"] # [doc = r" }"] # [doc = r" ```"] # [doc (hidden)] # [macro_export] macro_rules ! __make_provider { ($ name : ty) => { # [clippy :: msrv = "1.67"] impl $ name { # [doc (hidden)] # [allow (dead_code)] pub const MUST_USE_MAKE_PROVIDER_MACRO : () = () ; } } ; } # [doc (inline)] pub use __make_provider as make_provider ; # [macro_use] # [path = "macros/decimal_symbols_v1.rs.data"] mod decimal_symbols_v1 ; # [doc (inline)] pub use __impl_decimal_symbols_v1 as impl_decimal_symbols_v1 ;

fluent-bundle/src/icu4x_data/macros/decimal_symbols_v1.rs.data

@@ -0,0 +1,2 @@
+// @generated
+include ! ("macros.rs") ; macro_rules ! impl_data_provider { ($ provider : ty) => { make_provider ! ($ provider) ; impl_decimal_symbols_v1 ! ($ provider) ; } ; } # [allow (unused_macros)] macro_rules ! impl_any_provider { ($ provider : ty) => { # [clippy :: msrv = "1.67"] impl icu_provider :: AnyProvider for $ provider { fn load_any (& self , key : icu_provider :: DataKey , req : icu_provider :: DataRequest) -> Result < icu_provider :: AnyResponse , icu_provider :: DataError > { match key . hashed () { h if h == < icu::decimal :: provider :: DecimalSymbolsV1Marker as icu_provider :: KeyedDataMarker > :: KEY . hashed () => icu_provider :: DataProvider :: < icu::decimal :: provider :: DecimalSymbolsV1Marker > :: load (self , req) . map (icu_provider :: DataResponse :: wrap_into_any_response) , _ => Err (icu_provider :: DataErrorKind :: MissingDataKey . with_req (key , req)) , } } } } } # [clippy :: msrv = "1.67"] pub struct BakedDataProvider ; impl_data_provider ! (BakedDataProvider) ;

fluent-bundle/src/icu4x_data/mod.rs

@@ -0,0 +1,26 @@
+extern crate alloc;
+
+// to regerate the icu4x_data module, run from the root of the project:
+// cargo build --examples
+// rm -r fluent-bundle/src/icu4x_data
+// icu4x-datagen --keys-for-bin target/debug/examples/functions --format mod --locales full -o fluent-bundle/src/icu4x_data
+// for more information: https://github.com/unicode-org/icu4x/blob/79480dfbafdedf6cc810e4bfb0770f3268ff86ab/tutorials/data_management.md
+include!("./icu4x_data/mod.rs");
+impl_any_provider!(BakedDataProvider);
+
+/// ICU data provider
+///
+/// Fluent uses ICU4X data for formatting purposes, like number formatting.
+/// Use FluentIcuDataProvider to add all ICU data needed by fluent-bundle.
+/// You can bring your own provider if you don't need all locales, or have one in your project already.
+///
+/// Example:
+/// ```
+/// use fluent_bundle::{FluentBundle, FluentIcuDataProvider, FluentResource};
+/// use unic_langid::langid;
+///
+/// let langid = langid!("en-US");
+/// let mut bundle: FluentBundle<FluentResource> = FluentBundle::new(vec![langid]);
+/// bundle.set_icu_data_provider(Box::new(fluent_bundle::FluentIcuDataProvider));
+/// ```
+pub use BakedDataProvider as FluentIcuDataProvider;

fluent-bundle/src/icu_data_provider.rs

@@ -104,6 +104,7 @@ pub mod bundle;
 pub mod concurrent;
 mod entry;
 mod errors;
+mod icu_data_provider;
 #[doc(hidden)]
 pub mod memoizer;
 mod message;
@@ -122,6 +123,7 @@ pub use args::FluentArgs;
 /// [`FluentBundle::new_concurrent`](crate::concurrent::FluentBundle::new_concurrent).
 pub type FluentBundle<R> = bundle::FluentBundle<R, intl_memoizer::IntlLangMemoizer>;
 pub use errors::FluentError;
+pub use icu_data_provider::FluentIcuDataProvider;
 pub use message::{FluentAttribute, FluentMessage};
 pub use resource::FluentResource;
 #[doc(inline)]

fluent-bundle/src/lib.rs

@@ -178,8 +178,7 @@ fn fluent_number_to_operands() {
 fn fluent_number_grouping() {
     let langid_ars = langid!("ccp");
     let mut bundle: FluentBundle<FluentResource> = FluentBundle::new(vec![langid_ars]);
-    #[allow(deprecated)]
-    bundle.set_icu_data_provider(Box::new(icu_testdata::any_no_fallback()));
+    bundle.set_icu_data_provider(Box::new(fluent_bundle::FluentIcuDataProvider));
 
     let mut number = FluentNumber::from(1234567890.1234567);