1 files changed, 87 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XCaseMapCloser.hpp b/intl/icu_capi/cpp/include/ICU4XCaseMapCloser.hpp
new file mode 100644
index 0000000000..a76167f2df
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XCaseMapCloser.hpp
@@ -0,0 +1,87 @@
+#ifndef ICU4XCaseMapCloser_HPP
+#define ICU4XCaseMapCloser_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XCaseMapCloser.h"
+
+class ICU4XDataProvider;
+class ICU4XCaseMapCloser;
+#include "ICU4XError.hpp"
+class ICU4XCodePointSetBuilder;
+
+/**
+ * A destruction policy for using ICU4XCaseMapCloser with std::unique_ptr.
+ */
+struct ICU4XCaseMapCloserDeleter {
+  void operator()(capi::ICU4XCaseMapCloser* l) const noexcept {
+    capi::ICU4XCaseMapCloser_destroy(l);
+  }
+};
+
+/**
+ * See the [Rust documentation for `CaseMapCloser`](https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html) for more information.
+ */
+class ICU4XCaseMapCloser {
+ public:
+
+  /**
+   * Construct a new ICU4XCaseMapper instance
+   * 
+   * See the [Rust documentation for `new`](https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.new) for more information.
+   */
+  static diplomat::result<ICU4XCaseMapCloser, ICU4XError> create(const ICU4XDataProvider& provider);
+
+  /**
+   * Adds all simple case mappings and the full case folding for `c` to `builder`.
+   * Also adds special case closure mappings.
+   * 
+   * See the [Rust documentation for `add_case_closure_to`](https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_case_closure_to) for more information.
+   */
+  void add_case_closure_to(char32_t c, ICU4XCodePointSetBuilder& builder) const;
+
+  /**
+   * Finds all characters and strings which may casemap to `s` as their full case folding string
+   * and adds them to the set.
+   * 
+   * Returns true if the string was found
+   * 
+   * See the [Rust documentation for `add_string_case_closure_to`](https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_string_case_closure_to) for more information.
+   */
+  bool add_string_case_closure_to(const std::string_view s, ICU4XCodePointSetBuilder& builder) const;
+  inline const capi::ICU4XCaseMapCloser* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XCaseMapCloser* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XCaseMapCloser(capi::ICU4XCaseMapCloser* i) : inner(i) {}
+  ICU4XCaseMapCloser() = default;
+  ICU4XCaseMapCloser(ICU4XCaseMapCloser&&) noexcept = default;
+  ICU4XCaseMapCloser& operator=(ICU4XCaseMapCloser&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XCaseMapCloser, ICU4XCaseMapCloserDeleter> inner;
+};
+
+#include "ICU4XDataProvider.hpp"
+#include "ICU4XCodePointSetBuilder.hpp"
+
+inline diplomat::result<ICU4XCaseMapCloser, ICU4XError> ICU4XCaseMapCloser::create(const ICU4XDataProvider& provider) {
+  auto diplomat_result_raw_out_value = capi::ICU4XCaseMapCloser_create(provider.AsFFI());
+  diplomat::result<ICU4XCaseMapCloser, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok<ICU4XCaseMapCloser>(ICU4XCaseMapCloser(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 void ICU4XCaseMapCloser::add_case_closure_to(char32_t c, ICU4XCodePointSetBuilder& builder) const {
+  capi::ICU4XCaseMapCloser_add_case_closure_to(this->inner.get(), c, builder.AsFFIMut());
+}
+inline bool ICU4XCaseMapCloser::add_string_case_closure_to(const std::string_view s, ICU4XCodePointSetBuilder& builder) const {
+  return capi::ICU4XCaseMapCloser_add_string_case_closure_to(this->inner.get(), s.data(), s.size(), builder.AsFFIMut());
+}
+#endif