1 files changed, 108 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XTitlecaseMapper.hpp b/intl/icu_capi/cpp/include/ICU4XTitlecaseMapper.hpp
new file mode 100644
index 0000000000..c0138d94b8
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XTitlecaseMapper.hpp
@@ -0,0 +1,108 @@
+#ifndef ICU4XTitlecaseMapper_HPP
+#define ICU4XTitlecaseMapper_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XTitlecaseMapper.h"
+
+class ICU4XDataProvider;
+class ICU4XTitlecaseMapper;
+#include "ICU4XError.hpp"
+class ICU4XLocale;
+struct ICU4XTitlecaseOptionsV1;
+
+/**
+ * A destruction policy for using ICU4XTitlecaseMapper with std::unique_ptr.
+ */
+struct ICU4XTitlecaseMapperDeleter {
+  void operator()(capi::ICU4XTitlecaseMapper* l) const noexcept {
+    capi::ICU4XTitlecaseMapper_destroy(l);
+  }
+};
+
+/**
+ * See the [Rust documentation for `TitlecaseMapper`](https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html) for more information.
+ */
+class ICU4XTitlecaseMapper {
+ public:
+
+  /**
+   * Construct a new `ICU4XTitlecaseMapper` instance
+   * 
+   * See the [Rust documentation for `new`](https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.new) for more information.
+   */
+  static diplomat::result<ICU4XTitlecaseMapper, ICU4XError> create(const ICU4XDataProvider& provider);
+
+  /**
+   * Returns the full titlecase mapping of the given string
+   * 
+   * The `v1` refers to the version of the options struct, which may change as we add more options
+   * 
+   * See the [Rust documentation for `titlecase_segment`](https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.titlecase_segment) for more information.
+   */
+  template<typename W> diplomat::result<std::monostate, ICU4XError> titlecase_segment_v1_to_writeable(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options, W& write) const;
+
+  /**
+   * Returns the full titlecase mapping of the given string
+   * 
+   * The `v1` refers to the version of the options struct, which may change as we add more options
+   * 
+   * See the [Rust documentation for `titlecase_segment`](https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.titlecase_segment) for more information.
+   */
+  diplomat::result<std::string, ICU4XError> titlecase_segment_v1(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options) const;
+  inline const capi::ICU4XTitlecaseMapper* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XTitlecaseMapper* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XTitlecaseMapper(capi::ICU4XTitlecaseMapper* i) : inner(i) {}
+  ICU4XTitlecaseMapper() = default;
+  ICU4XTitlecaseMapper(ICU4XTitlecaseMapper&&) noexcept = default;
+  ICU4XTitlecaseMapper& operator=(ICU4XTitlecaseMapper&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XTitlecaseMapper, ICU4XTitlecaseMapperDeleter> inner;
+};
+
+#include "ICU4XDataProvider.hpp"
+#include "ICU4XLocale.hpp"
+#include "ICU4XTitlecaseOptionsV1.hpp"
+
+inline diplomat::result<ICU4XTitlecaseMapper, ICU4XError> ICU4XTitlecaseMapper::create(const ICU4XDataProvider& provider) {
+  auto diplomat_result_raw_out_value = capi::ICU4XTitlecaseMapper_create(provider.AsFFI());
+  diplomat::result<ICU4XTitlecaseMapper, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok<ICU4XTitlecaseMapper>(ICU4XTitlecaseMapper(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> ICU4XTitlecaseMapper::titlecase_segment_v1_to_writeable(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options, W& write) const {
+  ICU4XTitlecaseOptionsV1 diplomat_wrapped_struct_options = options;
+  capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write);
+  auto diplomat_result_raw_out_value = capi::ICU4XTitlecaseMapper_titlecase_segment_v1(this->inner.get(), s.data(), s.size(), locale.AsFFI(), capi::ICU4XTitlecaseOptionsV1{ .leading_adjustment = static_cast<capi::ICU4XLeadingAdjustment>(diplomat_wrapped_struct_options.leading_adjustment), .trailing_case = static_cast<capi::ICU4XTrailingCase>(diplomat_wrapped_struct_options.trailing_case) }, &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> ICU4XTitlecaseMapper::titlecase_segment_v1(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options) const {
+  ICU4XTitlecaseOptionsV1 diplomat_wrapped_struct_options = options;
+  std::string diplomat_writeable_string;
+  capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string);
+  auto diplomat_result_raw_out_value = capi::ICU4XTitlecaseMapper_titlecase_segment_v1(this->inner.get(), s.data(), s.size(), locale.AsFFI(), capi::ICU4XTitlecaseOptionsV1{ .leading_adjustment = static_cast<capi::ICU4XLeadingAdjustment>(diplomat_wrapped_struct_options.leading_adjustment), .trailing_case = static_cast<capi::ICU4XTrailingCase>(diplomat_wrapped_struct_options.trailing_case) }, &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