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Diffstat (limited to 'intl/icu_capi/cpp/include/ICU4XComposingNormalizer.hpp')
-rw-r--r-- | intl/icu_capi/cpp/include/ICU4XComposingNormalizer.hpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XComposingNormalizer.hpp b/intl/icu_capi/cpp/include/ICU4XComposingNormalizer.hpp new file mode 100644 index 0000000000..c1a1dcc417 --- /dev/null +++ b/intl/icu_capi/cpp/include/ICU4XComposingNormalizer.hpp @@ -0,0 +1,131 @@ +#ifndef ICU4XComposingNormalizer_HPP +#define ICU4XComposingNormalizer_HPP +#include <stdint.h> +#include <stddef.h> +#include <stdbool.h> +#include <algorithm> +#include <memory> +#include <variant> +#include <optional> +#include "diplomat_runtime.hpp" + +#include "ICU4XComposingNormalizer.h" + +class ICU4XDataProvider; +class ICU4XComposingNormalizer; +#include "ICU4XError.hpp" + +/** + * A destruction policy for using ICU4XComposingNormalizer with std::unique_ptr. + */ +struct ICU4XComposingNormalizerDeleter { + void operator()(capi::ICU4XComposingNormalizer* l) const noexcept { + capi::ICU4XComposingNormalizer_destroy(l); + } +}; + +/** + * See the [Rust documentation for `ComposingNormalizer`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html) for more information. + */ +class ICU4XComposingNormalizer { + public: + + /** + * Construct a new ICU4XComposingNormalizer instance for NFC + * + * See the [Rust documentation for `new_nfc`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html#method.new_nfc) for more information. + */ + static diplomat::result<ICU4XComposingNormalizer, ICU4XError> create_nfc(const ICU4XDataProvider& provider); + + /** + * Construct a new ICU4XComposingNormalizer instance for NFKC + * + * See the [Rust documentation for `new_nfkc`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html#method.new_nfkc) for more information. + */ + static diplomat::result<ICU4XComposingNormalizer, ICU4XError> create_nfkc(const ICU4XDataProvider& provider); + + /** + * Normalize a (potentially ill-formed) UTF8 string + * + * Errors are mapped to REPLACEMENT CHARACTER + * + * See the [Rust documentation for `normalize_utf8`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html#method.normalize_utf8) for more information. + */ + template<typename W> diplomat::result<std::monostate, ICU4XError> normalize_to_writeable(const std::string_view s, W& write) const; + + /** + * Normalize a (potentially ill-formed) UTF8 string + * + * Errors are mapped to REPLACEMENT CHARACTER + * + * See the [Rust documentation for `normalize_utf8`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html#method.normalize_utf8) for more information. + */ + diplomat::result<std::string, ICU4XError> normalize(const std::string_view s) const; + + /** + * Check if a (potentially ill-formed) UTF8 string is normalized + * + * Errors are mapped to REPLACEMENT CHARACTER + * + * See the [Rust documentation for `is_normalized_utf8`](https://docs.rs/icu/latest/icu/normalizer/struct.ComposingNormalizer.html#method.is_normalized_utf8) for more information. + */ + bool is_normalized(const std::string_view s) const; + inline const capi::ICU4XComposingNormalizer* AsFFI() const { return this->inner.get(); } + inline capi::ICU4XComposingNormalizer* AsFFIMut() { return this->inner.get(); } + inline ICU4XComposingNormalizer(capi::ICU4XComposingNormalizer* i) : inner(i) {} + ICU4XComposingNormalizer() = default; + ICU4XComposingNormalizer(ICU4XComposingNormalizer&&) noexcept = default; + ICU4XComposingNormalizer& operator=(ICU4XComposingNormalizer&& other) noexcept = default; + private: + std::unique_ptr<capi::ICU4XComposingNormalizer, ICU4XComposingNormalizerDeleter> inner; +}; + +#include "ICU4XDataProvider.hpp" + +inline diplomat::result<ICU4XComposingNormalizer, ICU4XError> ICU4XComposingNormalizer::create_nfc(const ICU4XDataProvider& provider) { + auto diplomat_result_raw_out_value = capi::ICU4XComposingNormalizer_create_nfc(provider.AsFFI()); + diplomat::result<ICU4XComposingNormalizer, ICU4XError> diplomat_result_out_value; + if (diplomat_result_raw_out_value.is_ok) { + diplomat_result_out_value = diplomat::Ok<ICU4XComposingNormalizer>(ICU4XComposingNormalizer(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<ICU4XComposingNormalizer, ICU4XError> ICU4XComposingNormalizer::create_nfkc(const ICU4XDataProvider& provider) { + auto diplomat_result_raw_out_value = capi::ICU4XComposingNormalizer_create_nfkc(provider.AsFFI()); + diplomat::result<ICU4XComposingNormalizer, ICU4XError> diplomat_result_out_value; + if (diplomat_result_raw_out_value.is_ok) { + diplomat_result_out_value = diplomat::Ok<ICU4XComposingNormalizer>(ICU4XComposingNormalizer(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> ICU4XComposingNormalizer::normalize_to_writeable(const std::string_view s, W& write) const { + capi::DiplomatWriteable write_writer = diplomat::WriteableTrait<W>::Construct(write); + auto diplomat_result_raw_out_value = capi::ICU4XComposingNormalizer_normalize(this->inner.get(), s.data(), s.size(), &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> ICU4XComposingNormalizer::normalize(const std::string_view s) const { + std::string diplomat_writeable_string; + capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string); + auto diplomat_result_raw_out_value = capi::ICU4XComposingNormalizer_normalize(this->inner.get(), s.data(), s.size(), &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)); +} +inline bool ICU4XComposingNormalizer::is_normalized(const std::string_view s) const { + return capi::ICU4XComposingNormalizer_is_normalized(this->inner.get(), s.data(), s.size()); +} +#endif |