1 files changed, 95 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XWeekCalculator.hpp b/intl/icu_capi/cpp/include/ICU4XWeekCalculator.hpp
new file mode 100644
index 0000000000..ace3c97c4f
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XWeekCalculator.hpp
@@ -0,0 +1,95 @@
+#ifndef ICU4XWeekCalculator_HPP
+#define ICU4XWeekCalculator_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XWeekCalculator.h"
+
+class ICU4XDataProvider;
+class ICU4XLocale;
+class ICU4XWeekCalculator;
+#include "ICU4XError.hpp"
+#include "ICU4XIsoWeekday.hpp"
+
+/**
+ * A destruction policy for using ICU4XWeekCalculator with std::unique_ptr.
+ */
+struct ICU4XWeekCalculatorDeleter {
+  void operator()(capi::ICU4XWeekCalculator* l) const noexcept {
+    capi::ICU4XWeekCalculator_destroy(l);
+  }
+};
+
+/**
+ * A Week calculator, useful to be passed in to `week_of_year()` on Date and DateTime types
+ * 
+ * See the [Rust documentation for `WeekCalculator`](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html) for more information.
+ */
+class ICU4XWeekCalculator {
+ public:
+
+  /**
+   * Creates a new [`ICU4XWeekCalculator`] from locale data.
+   * 
+   * See the [Rust documentation for `try_new`](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html#method.try_new) for more information.
+   */
+  static diplomat::result<ICU4XWeekCalculator, ICU4XError> create(const ICU4XDataProvider& provider, const ICU4XLocale& locale);
+
+  /**
+   * Additional information: [1](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html#structfield.first_weekday), [2](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html#structfield.min_week_days)
+   */
+  static ICU4XWeekCalculator create_from_first_day_of_week_and_min_week_days(ICU4XIsoWeekday first_weekday, uint8_t min_week_days);
+
+  /**
+   * Returns the weekday that starts the week for this object's locale
+   * 
+   * See the [Rust documentation for `first_weekday`](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html#structfield.first_weekday) for more information.
+   */
+  ICU4XIsoWeekday first_weekday() const;
+
+  /**
+   * The minimum number of days overlapping a year required for a week to be
+   * considered part of that year
+   * 
+   * See the [Rust documentation for `min_week_days`](https://docs.rs/icu/latest/icu/calendar/week/struct.WeekCalculator.html#structfield.min_week_days) for more information.
+   */
+  uint8_t min_week_days() const;
+  inline const capi::ICU4XWeekCalculator* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XWeekCalculator* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XWeekCalculator(capi::ICU4XWeekCalculator* i) : inner(i) {}
+  ICU4XWeekCalculator() = default;
+  ICU4XWeekCalculator(ICU4XWeekCalculator&&) noexcept = default;
+  ICU4XWeekCalculator& operator=(ICU4XWeekCalculator&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XWeekCalculator, ICU4XWeekCalculatorDeleter> inner;
+};
+
+#include "ICU4XDataProvider.hpp"
+#include "ICU4XLocale.hpp"
+
+inline diplomat::result<ICU4XWeekCalculator, ICU4XError> ICU4XWeekCalculator::create(const ICU4XDataProvider& provider, const ICU4XLocale& locale) {
+  auto diplomat_result_raw_out_value = capi::ICU4XWeekCalculator_create(provider.AsFFI(), locale.AsFFI());
+  diplomat::result<ICU4XWeekCalculator, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok<ICU4XWeekCalculator>(ICU4XWeekCalculator(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 ICU4XWeekCalculator ICU4XWeekCalculator::create_from_first_day_of_week_and_min_week_days(ICU4XIsoWeekday first_weekday, uint8_t min_week_days) {
+  return ICU4XWeekCalculator(capi::ICU4XWeekCalculator_create_from_first_day_of_week_and_min_week_days(static_cast<capi::ICU4XIsoWeekday>(first_weekday), min_week_days));
+}
+inline ICU4XIsoWeekday ICU4XWeekCalculator::first_weekday() const {
+  return static_cast<ICU4XIsoWeekday>(capi::ICU4XWeekCalculator_first_weekday(this->inner.get()));
+}
+inline uint8_t ICU4XWeekCalculator::min_week_days() const {
+  return capi::ICU4XWeekCalculator_min_week_days(this->inner.get());
+}
+#endif