1 files changed, 76 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XCanonicalComposition.hpp b/intl/icu_capi/cpp/include/ICU4XCanonicalComposition.hpp
new file mode 100644
index 0000000000..f9e226f0f7
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XCanonicalComposition.hpp
@@ -0,0 +1,76 @@
+#ifndef ICU4XCanonicalComposition_HPP
+#define ICU4XCanonicalComposition_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XCanonicalComposition.h"
+
+class ICU4XDataProvider;
+class ICU4XCanonicalComposition;
+#include "ICU4XError.hpp"
+
+/**
+ * A destruction policy for using ICU4XCanonicalComposition with std::unique_ptr.
+ */
+struct ICU4XCanonicalCompositionDeleter {
+  void operator()(capi::ICU4XCanonicalComposition* l) const noexcept {
+    capi::ICU4XCanonicalComposition_destroy(l);
+  }
+};
+
+/**
+ * The raw canonical composition operation.
+ * 
+ * Callers should generally use ICU4XComposingNormalizer unless they specifically need raw composition operations
+ * 
+ * See the [Rust documentation for `CanonicalComposition`](https://docs.rs/icu/latest/icu/normalizer/properties/struct.CanonicalComposition.html) for more information.
+ */
+class ICU4XCanonicalComposition {
+ public:
+
+  /**
+   * Construct a new ICU4XCanonicalComposition instance for NFC
+   * 
+   * See the [Rust documentation for `new`](https://docs.rs/icu/latest/icu/normalizer/properties/struct.CanonicalComposition.html#method.new) for more information.
+   */
+  static diplomat::result<ICU4XCanonicalComposition, ICU4XError> create(const ICU4XDataProvider& provider);
+
+  /**
+   * Performs canonical composition (including Hangul) on a pair of characters
+   * or returns NUL if these characters don’t compose. Composition exclusions are taken into account.
+   * 
+   * See the [Rust documentation for `compose`](https://docs.rs/icu/latest/icu/normalizer/properties/struct.CanonicalComposition.html#method.compose) for more information.
+   */
+  char32_t compose(char32_t starter, char32_t second) const;
+  inline const capi::ICU4XCanonicalComposition* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XCanonicalComposition* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XCanonicalComposition(capi::ICU4XCanonicalComposition* i) : inner(i) {}
+  ICU4XCanonicalComposition() = default;
+  ICU4XCanonicalComposition(ICU4XCanonicalComposition&&) noexcept = default;
+  ICU4XCanonicalComposition& operator=(ICU4XCanonicalComposition&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XCanonicalComposition, ICU4XCanonicalCompositionDeleter> inner;
+};
+
+#include "ICU4XDataProvider.hpp"
+
+inline diplomat::result<ICU4XCanonicalComposition, ICU4XError> ICU4XCanonicalComposition::create(const ICU4XDataProvider& provider) {
+  auto diplomat_result_raw_out_value = capi::ICU4XCanonicalComposition_create(provider.AsFFI());
+  diplomat::result<ICU4XCanonicalComposition, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok<ICU4XCanonicalComposition>(ICU4XCanonicalComposition(diplomat_result_raw_out_value.ok));
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value;
+}
+inline char32_t ICU4XCanonicalComposition::compose(char32_t starter, char32_t second) const {
+  return capi::ICU4XCanonicalComposition_compose(this->inner.get(), starter, second);
+}
+#endif