1 files changed, 149 insertions, 0 deletions
diff --git a/intl/icu_capi/src/properties_unisets.rs b/intl/icu_capi/src/properties_unisets.rs
new file mode 100644
index 0000000000..7d2cf8cccc
--- /dev/null
+++ b/intl/icu_capi/src/properties_unisets.rs
@@ -0,0 +1,149 @@
+// 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 ).
+
+#[diplomat::bridge]
+pub mod ffi {
+    use crate::locale::ffi::ICU4XLocale;
+    use crate::provider::ffi::ICU4XDataProvider;
+    use alloc::boxed::Box;
+    use core::str;
+    use icu_properties::{exemplar_chars, sets};
+
+    use crate::errors::ffi::ICU4XError;
+
+    #[diplomat::opaque]
+    /// An ICU4X Unicode Set Property object, capable of querying whether a code point is contained in a set based on a Unicode property.
+    #[diplomat::rust_link(icu::properties, Mod)]
+    #[diplomat::rust_link(icu::properties::sets::UnicodeSetData, Struct)]
+    #[diplomat::rust_link(icu::properties::sets::UnicodeSetData::from_data, FnInStruct, hidden)]
+    #[diplomat::rust_link(icu::properties::sets::UnicodeSetDataBorrowed, Struct)]
+    pub struct ICU4XUnicodeSetData(pub sets::UnicodeSetData);
+
+    impl ICU4XUnicodeSetData {
+        /// Checks whether the string is in the set.
+        #[diplomat::rust_link(icu::properties::sets::UnicodeSetDataBorrowed::contains, FnInStruct)]
+        pub fn contains(&self, s: &str) -> bool {
+            let s = s.as_bytes(); // #2520
+            let s = if let Ok(s) = str::from_utf8(s) {
+                s
+            } else {
+                return false;
+            };
+            self.0.as_borrowed().contains(s)
+        }
+        /// Checks whether the code point is in the set.
+        #[diplomat::rust_link(
+            icu::properties::sets::UnicodeSetDataBorrowed::contains_char,
+            FnInStruct
+        )]
+        pub fn contains_char(&self, cp: char) -> bool {
+            self.0.as_borrowed().contains_char(cp)
+        }
+        /// Checks whether the code point (specified as a 32 bit integer, in UTF-32) is in the set.
+        #[diplomat::rust_link(
+            icu::properties::sets::UnicodeSetDataBorrowed::contains32,
+            FnInStruct,
+            hidden
+        )]
+        #[diplomat::attr(dart, disable)]
+        pub fn contains32(&self, cp: u32) -> bool {
+            self.0.as_borrowed().contains32(cp)
+        }
+
+        #[diplomat::rust_link(icu::properties::sets::basic_emoji, Fn)]
+        #[diplomat::rust_link(icu::properties::sets::load_basic_emoji, Fn, hidden)]
+        pub fn load_basic_emoji(
+            provider: &ICU4XDataProvider,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                sets::basic_emoji [r => Ok(r.static_to_owned())],
+                sets::load_basic_emoji,
+                provider,
+            )?)))
+        }
+
+        #[diplomat::rust_link(icu::properties::exemplar_chars::exemplars_main, Fn)]
+        #[diplomat::rust_link(icu::properties::exemplar_chars::load_exemplars_main, Fn, hidden)]
+        pub fn load_exemplars_main(
+            provider: &ICU4XDataProvider,
+            locale: &ICU4XLocale,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            let locale = locale.to_datalocale();
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                exemplar_chars::exemplars_main,
+                exemplar_chars::load_exemplars_main,
+                provider,
+                &locale
+            )?)))
+        }
+
+        #[diplomat::rust_link(icu::properties::exemplar_chars::exemplars_auxiliary, Fn)]
+        #[diplomat::rust_link(
+            icu::properties::exemplar_chars::load_exemplars_auxiliary,
+            Fn,
+            hidden
+        )]
+        pub fn load_exemplars_auxiliary(
+            provider: &ICU4XDataProvider,
+            locale: &ICU4XLocale,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            let locale = locale.to_datalocale();
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                exemplar_chars::exemplars_auxiliary,
+                exemplar_chars::load_exemplars_auxiliary,
+                provider,
+                &locale
+            )?)))
+        }
+
+        #[diplomat::rust_link(icu::properties::exemplar_chars::exemplars_punctuation, Fn)]
+        #[diplomat::rust_link(
+            icu::properties::exemplar_chars::load_exemplars_punctuation,
+            Fn,
+            hidden
+        )]
+        pub fn load_exemplars_punctuation(
+            provider: &ICU4XDataProvider,
+            locale: &ICU4XLocale,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            let locale = locale.to_datalocale();
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                exemplar_chars::exemplars_punctuation,
+                exemplar_chars::load_exemplars_punctuation,
+                provider,
+                &locale
+            )?)))
+        }
+
+        #[diplomat::rust_link(icu::properties::exemplar_chars::exemplars_numbers, Fn)]
+        #[diplomat::rust_link(icu::properties::exemplar_chars::load_exemplars_numbers, Fn, hidden)]
+        pub fn load_exemplars_numbers(
+            provider: &ICU4XDataProvider,
+            locale: &ICU4XLocale,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            let locale = locale.to_datalocale();
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                exemplar_chars::exemplars_numbers,
+                exemplar_chars::load_exemplars_numbers,
+                provider,
+                &locale
+            )?)))
+        }
+
+        #[diplomat::rust_link(icu::properties::exemplar_chars::exemplars_index, Fn)]
+        #[diplomat::rust_link(icu::properties::exemplar_chars::load_exemplars_index, Fn, hidden)]
+        pub fn load_exemplars_index(
+            provider: &ICU4XDataProvider,
+            locale: &ICU4XLocale,
+        ) -> Result<Box<ICU4XUnicodeSetData>, ICU4XError> {
+            let locale = locale.to_datalocale();
+            Ok(Box::new(ICU4XUnicodeSetData(call_constructor_unstable!(
+                exemplar_chars::exemplars_index,
+                exemplar_chars::load_exemplars_index,
+                provider,
+                &locale
+            )?)))
+        }
+    }
+}