1 files changed, 103 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XLocaleDisplayNamesFormatter.hpp b/intl/icu_capi/cpp/include/ICU4XLocaleDisplayNamesFormatter.hpp
new file mode 100644
index 0000000000..06eac9a3ab
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XLocaleDisplayNamesFormatter.hpp
@@ -0,0 +1,103 @@
+#ifndef ICU4XLocaleDisplayNamesFormatter_HPP
+#define ICU4XLocaleDisplayNamesFormatter_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XLocaleDisplayNamesFormatter.h"
+
+class ICU4XDataProvider;
+class ICU4XLocale;
+struct ICU4XDisplayNamesOptionsV1;
+class ICU4XLocaleDisplayNamesFormatter;
+#include "ICU4XError.hpp"
+
+/**
+ * A destruction policy for using ICU4XLocaleDisplayNamesFormatter with std::unique_ptr.
+ */
+struct ICU4XLocaleDisplayNamesFormatterDeleter {
+  void operator()(capi::ICU4XLocaleDisplayNamesFormatter* l) const noexcept {
+    capi::ICU4XLocaleDisplayNamesFormatter_destroy(l);
+  }
+};
+
+/**
+ * See the [Rust documentation for `LocaleDisplayNamesFormatter`](https://docs.rs/icu/latest/icu/displaynames/struct.LocaleDisplayNamesFormatter.html) for more information.
+ */
+class ICU4XLocaleDisplayNamesFormatter {
+ public:
+
+  /**
+   * Creates a new `LocaleDisplayNamesFormatter` from locale data and an options bag.
+   * 
+   * See the [Rust documentation for `try_new`](https://docs.rs/icu/latest/icu/displaynames/struct.LocaleDisplayNamesFormatter.html#method.try_new) for more information.
+   */
+  static diplomat::result<ICU4XLocaleDisplayNamesFormatter, ICU4XError> create(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XDisplayNamesOptionsV1 options);
+
+  /**
+   * Returns the locale-specific display name of a locale.
+   * 
+   * See the [Rust documentation for `of`](https://docs.rs/icu/latest/icu/displaynames/struct.LocaleDisplayNamesFormatter.html#method.of) for more information.
+   */
+  template<typename W> diplomat::result<std::monostate, ICU4XError> of_to_writeable(const ICU4XLocale& locale, W& write) const;
+
+  /**
+   * Returns the locale-specific display name of a locale.
+   * 
+   * See the [Rust documentation for `of`](https://docs.rs/icu/latest/icu/displaynames/struct.LocaleDisplayNamesFormatter.html#method.of) for more information.
+   */
+  diplomat::result<std::string, ICU4XError> of(const ICU4XLocale& locale) const;
+  inline const capi::ICU4XLocaleDisplayNamesFormatter* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XLocaleDisplayNamesFormatter* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XLocaleDisplayNamesFormatter(capi::ICU4XLocaleDisplayNamesFormatter* i) : inner(i) {}
+  ICU4XLocaleDisplayNamesFormatter() = default;
+  ICU4XLocaleDisplayNamesFormatter(ICU4XLocaleDisplayNamesFormatter&&) noexcept = default;
+  ICU4XLocaleDisplayNamesFormatter& operator=(ICU4XLocaleDisplayNamesFormatter&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XLocaleDisplayNamesFormatter, ICU4XLocaleDisplayNamesFormatterDeleter> inner;
+};
+
+#include "ICU4XDataProvider.hpp"
+#include "ICU4XLocale.hpp"
+#include "ICU4XDisplayNamesOptionsV1.hpp"
+
+inline diplomat::result<ICU4XLocaleDisplayNamesFormatter, ICU4XError> ICU4XLocaleDisplayNamesFormatter::create(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XDisplayNamesOptionsV1 options) {
+  ICU4XDisplayNamesOptionsV1 diplomat_wrapped_struct_options = options;
+  auto diplomat_result_raw_out_value = capi::ICU4XLocaleDisplayNamesFormatter_create(provider.AsFFI(), locale.AsFFI(), capi::ICU4XDisplayNamesOptionsV1{ .style = static_cast<capi::ICU4XDisplayNamesStyle>(diplomat_wrapped_struct_options.style), .fallback = static_cast<capi::ICU4XDisplayNamesFallback>(diplomat_wrapped_struct_options.fallback), .language_display = static_cast<capi::ICU4XLanguageDisplay>(diplomat_wrapped_struct_options.language_display) });
+  diplomat::result<ICU4XLocaleDisplayNamesFormatter, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok<ICU4XLocaleDisplayNamesFormatter>(ICU4XLocaleDisplayNamesFormatter(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;
+}
+template<typename W> inline diplomat::result<std::monostate, ICU4XError> ICU4XLocaleDisplayNamesFormatter::of_to_writeable(const ICU4XLocale& locale, W& write) const {
+  capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write);
+  auto diplomat_result_raw_out_value = capi::ICU4XLocaleDisplayNamesFormatter_of(this->inner.get(), locale.AsFFI(), &write_writer);
+  diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok(std::monostate());
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value;
+}
+inline diplomat::result<std::string, ICU4XError> ICU4XLocaleDisplayNamesFormatter::of(const ICU4XLocale& locale) const {
+  std::string diplomat_writeable_string;
+  capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string);
+  auto diplomat_result_raw_out_value = capi::ICU4XLocaleDisplayNamesFormatter_of(this->inner.get(), locale.AsFFI(), &diplomat_writeable_out);
+  diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok(std::monostate());
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value.replace_ok(std::move(diplomat_writeable_string));
+}
+#endif