diff options
Diffstat (limited to 'intl/icu_capi/cpp/include/ICU4XFixedDecimalFormatter.hpp')
-rw-r--r-- | intl/icu_capi/cpp/include/ICU4XFixedDecimalFormatter.hpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XFixedDecimalFormatter.hpp b/intl/icu_capi/cpp/include/ICU4XFixedDecimalFormatter.hpp new file mode 100644 index 0000000000..9ba29490e7 --- /dev/null +++ b/intl/icu_capi/cpp/include/ICU4XFixedDecimalFormatter.hpp @@ -0,0 +1,126 @@ +#ifndef ICU4XFixedDecimalFormatter_HPP +#define ICU4XFixedDecimalFormatter_HPP +#include <stdint.h> +#include <stddef.h> +#include <stdbool.h> +#include <algorithm> +#include <memory> +#include <variant> +#include <optional> +#include "diplomat_runtime.hpp" + +#include "ICU4XFixedDecimalFormatter.h" + +class ICU4XDataProvider; +class ICU4XLocale; +#include "ICU4XFixedDecimalGroupingStrategy.hpp" +class ICU4XFixedDecimalFormatter; +#include "ICU4XError.hpp" +class ICU4XDataStruct; +class ICU4XFixedDecimal; + +/** + * A destruction policy for using ICU4XFixedDecimalFormatter with std::unique_ptr. + */ +struct ICU4XFixedDecimalFormatterDeleter { + void operator()(capi::ICU4XFixedDecimalFormatter* l) const noexcept { + capi::ICU4XFixedDecimalFormatter_destroy(l); + } +}; + +/** + * An ICU4X Fixed Decimal Format object, capable of formatting a [`ICU4XFixedDecimal`] as a string. + * + * See the [Rust documentation for `FixedDecimalFormatter`](https://docs.rs/icu/latest/icu/decimal/struct.FixedDecimalFormatter.html) for more information. + */ +class ICU4XFixedDecimalFormatter { + public: + + /** + * Creates a new [`ICU4XFixedDecimalFormatter`] from locale data. + * + * See the [Rust documentation for `try_new`](https://docs.rs/icu/latest/icu/decimal/struct.FixedDecimalFormatter.html#method.try_new) for more information. + */ + static diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> create_with_grouping_strategy(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XFixedDecimalGroupingStrategy grouping_strategy); + + /** + * Creates a new [`ICU4XFixedDecimalFormatter`] from preconstructed locale data in the form of an [`ICU4XDataStruct`] + * constructed from `ICU4XDataStruct::create_decimal_symbols()`. + * + * The contents of the data struct will be consumed: if you wish to use the struct again it will have to be reconstructed. + * Passing a consumed struct to this method will return an error. + */ + static diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> create_with_decimal_symbols_v1(const ICU4XDataStruct& data_struct, ICU4XFixedDecimalGroupingStrategy grouping_strategy); + + /** + * Formats a [`ICU4XFixedDecimal`] to a string. + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/decimal/struct.FixedDecimalFormatter.html#method.format) for more information. + */ + template<typename W> diplomat::result<std::monostate, ICU4XError> format_to_writeable(const ICU4XFixedDecimal& value, W& write) const; + + /** + * Formats a [`ICU4XFixedDecimal`] to a string. + * + * See the [Rust documentation for `format`](https://docs.rs/icu/latest/icu/decimal/struct.FixedDecimalFormatter.html#method.format) for more information. + */ + diplomat::result<std::string, ICU4XError> format(const ICU4XFixedDecimal& value) const; + inline const capi::ICU4XFixedDecimalFormatter* AsFFI() const { return this->inner.get(); } + inline capi::ICU4XFixedDecimalFormatter* AsFFIMut() { return this->inner.get(); } + inline ICU4XFixedDecimalFormatter(capi::ICU4XFixedDecimalFormatter* i) : inner(i) {} + ICU4XFixedDecimalFormatter() = default; + ICU4XFixedDecimalFormatter(ICU4XFixedDecimalFormatter&&) noexcept = default; + ICU4XFixedDecimalFormatter& operator=(ICU4XFixedDecimalFormatter&& other) noexcept = default; + private: + std::unique_ptr<capi::ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterDeleter> inner; +}; + +#include "ICU4XDataProvider.hpp" +#include "ICU4XLocale.hpp" +#include "ICU4XDataStruct.hpp" +#include "ICU4XFixedDecimal.hpp" + +inline diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> ICU4XFixedDecimalFormatter::create_with_grouping_strategy(const ICU4XDataProvider& provider, const ICU4XLocale& locale, ICU4XFixedDecimalGroupingStrategy grouping_strategy) { + auto diplomat_result_raw_out_value = capi::ICU4XFixedDecimalFormatter_create_with_grouping_strategy(provider.AsFFI(), locale.AsFFI(), static_cast<capi::ICU4XFixedDecimalGroupingStrategy>(grouping_strategy)); + diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> diplomat_result_out_value; + if (diplomat_result_raw_out_value.is_ok) { + diplomat_result_out_value = diplomat::Ok<ICU4XFixedDecimalFormatter>(ICU4XFixedDecimalFormatter(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 diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> ICU4XFixedDecimalFormatter::create_with_decimal_symbols_v1(const ICU4XDataStruct& data_struct, ICU4XFixedDecimalGroupingStrategy grouping_strategy) { + auto diplomat_result_raw_out_value = capi::ICU4XFixedDecimalFormatter_create_with_decimal_symbols_v1(data_struct.AsFFI(), static_cast<capi::ICU4XFixedDecimalGroupingStrategy>(grouping_strategy)); + diplomat::result<ICU4XFixedDecimalFormatter, ICU4XError> diplomat_result_out_value; + if (diplomat_result_raw_out_value.is_ok) { + diplomat_result_out_value = diplomat::Ok<ICU4XFixedDecimalFormatter>(ICU4XFixedDecimalFormatter(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> ICU4XFixedDecimalFormatter::format_to_writeable(const ICU4XFixedDecimal& value, W& write) const { + capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write); + auto diplomat_result_raw_out_value = capi::ICU4XFixedDecimalFormatter_format(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> ICU4XFixedDecimalFormatter::format(const ICU4XFixedDecimal& value) const { + std::string diplomat_writeable_string; + capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string); + auto diplomat_result_raw_out_value = capi::ICU4XFixedDecimalFormatter_format(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 |