diff options
Diffstat (limited to 'intl/icu_capi/cpp/include/ICU4XDateTimeFormatter.hpp')
-rw-r--r-- | intl/icu_capi/cpp/include/ICU4XDateTimeFormatter.hpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XDateTimeFormatter.hpp b/intl/icu_capi/cpp/include/ICU4XDateTimeFormatter.hpp new file mode 100644 index 0000000000..2a556eedc8 --- /dev/null +++ b/intl/icu_capi/cpp/include/ICU4XDateTimeFormatter.hpp @@ -0,0 +1,150 @@ +#ifndef ICU4XDateTimeFormatter_HPP +#define ICU4XDateTimeFormatter_HPP +#include <stdint.h> +#include <stddef.h> +#include <stdbool.h> +#include <algorithm> +#include <memory> +#include <variant> +#include <optional> +#include "diplomat_runtime.hpp" + +#include "ICU4XDateTimeFormatter.h" + +class ICU4XDataProvider; +class ICU4XLocale; +#include "ICU4XDateLength.hpp" +#include "ICU4XTimeLength.hpp" +class ICU4XDateTimeFormatter; +#include "ICU4XError.hpp" +class ICU4XDateTime; +class ICU4XIsoDateTime; + +/** + * A destruction policy for using ICU4XDateTimeFormatter with std::unique_ptr. + */ +struct ICU4XDateTimeFormatterDeleter { + void operator()(capi::ICU4XDateTimeFormatter* l) const noexcept { + capi::ICU4XDateTimeFormatter_destroy(l); + } +}; + +/** + * An ICU4X DateFormatter object capable of formatting a [`ICU4XDateTime`] as a string, + * using some calendar specified at runtime in the locale. + * + * See the [Rust documentation for `DateTimeFormatter`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html) for more information. + */ +class ICU4XDateTimeFormatter { + public: + + /** + * Creates a new [`ICU4XDateTimeFormatter`] from locale data. + * + * See the [Rust documentation for `try_new`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html#method.try_new) for more information. + */ + static diplomat::result<ICU4XDateTimeFormatter, ICU4XError> create_with_lengths(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XDateLength date_length, ICU4XTimeLength time_length); + + /** + * Formats a [`ICU4XDateTime`] to a string. + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html#method.format) for more information. + */ + template<typename W> diplomat::result<std::monostate, ICU4XError> format_datetime_to_writeable(const ICU4XDateTime& value, W& write) const; + + /** + * Formats a [`ICU4XDateTime`] to a string. + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html#method.format) for more information. + */ + diplomat::result<std::string, ICU4XError> format_datetime(const ICU4XDateTime& value) const; + + /** + * Formats a [`ICU4XIsoDateTime`] to a string. + * + * Will convert to this formatter's calendar first + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html#method.format) for more information. + */ + template<typename W> diplomat::result<std::monostate, ICU4XError> format_iso_datetime_to_writeable(const ICU4XIsoDateTime& value, W& write) const; + + /** + * Formats a [`ICU4XIsoDateTime`] to a string. + * + * Will convert to this formatter's calendar first + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/datetime/struct.DateTimeFormatter.html#method.format) for more information. + */ + diplomat::result<std::string, ICU4XError> format_iso_datetime(const ICU4XIsoDateTime& value) const; + inline const capi::ICU4XDateTimeFormatter* AsFFI() const { return this->inner.get(); } + inline capi::ICU4XDateTimeFormatter* AsFFIMut() { return this->inner.get(); } + inline ICU4XDateTimeFormatter(capi::ICU4XDateTimeFormatter* i) : inner(i) {} + ICU4XDateTimeFormatter() = default; + ICU4XDateTimeFormatter(ICU4XDateTimeFormatter&&) noexcept = default; + ICU4XDateTimeFormatter& operator=(ICU4XDateTimeFormatter&& other) noexcept = default; + private: + std::unique_ptr<capi::ICU4XDateTimeFormatter, ICU4XDateTimeFormatterDeleter> inner; +}; + +#include "ICU4XDataProvider.hpp" +#include "ICU4XLocale.hpp" +#include "ICU4XDateTime.hpp" +#include "ICU4XIsoDateTime.hpp" + +inline diplomat::result<ICU4XDateTimeFormatter, ICU4XError> ICU4XDateTimeFormatter::create_with_lengths(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XDateLength date_length, ICU4XTimeLength time_length) { + auto diplomat_result_raw_out_value = capi::ICU4XDateTimeFormatter_create_with_lengths(provider.AsFFI(), locale.AsFFI(), static_cast<capi::ICU4XDateLength>(date_length), static_cast<capi::ICU4XTimeLength>(time_length)); + diplomat::result<ICU4XDateTimeFormatter, ICU4XError> diplomat_result_out_value; + if (diplomat_result_raw_out_value.is_ok) { + diplomat_result_out_value = diplomat::Ok<ICU4XDateTimeFormatter>(ICU4XDateTimeFormatter(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> ICU4XDateTimeFormatter::format_datetime_to_writeable(const ICU4XDateTime& value, W& write) const { + capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write); + auto diplomat_result_raw_out_value = capi::ICU4XDateTimeFormatter_format_datetime(this->inner.get(), value.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> ICU4XDateTimeFormatter::format_datetime(const ICU4XDateTime& value) const { + std::string diplomat_writeable_string; + capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string); + auto diplomat_result_raw_out_value = capi::ICU4XDateTimeFormatter_format_datetime(this->inner.get(), value.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)); +} +template<typename W> inline diplomat::result<std::monostate, ICU4XError> ICU4XDateTimeFormatter::format_iso_datetime_to_writeable(const ICU4XIsoDateTime& value, W& write) const { + capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write); + auto diplomat_result_raw_out_value = capi::ICU4XDateTimeFormatter_format_iso_datetime(this->inner.get(), value.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> ICU4XDateTimeFormatter::format_iso_datetime(const ICU4XIsoDateTime& value) const { + std::string diplomat_writeable_string; + capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string); + auto diplomat_result_raw_out_value = capi::ICU4XDateTimeFormatter_format_iso_datetime(this->inner.get(), value.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 |