67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
#ifndef ICU4XUnitsConverter_HPP
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#define ICU4XUnitsConverter_HPP
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <algorithm>
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#include <memory>
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#include <variant>
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#include <optional>
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#include "diplomat_runtime.hpp"
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#include "ICU4XUnitsConverter.h"
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class ICU4XUnitsConverter;
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/**
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* A destruction policy for using ICU4XUnitsConverter with std::unique_ptr.
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*/
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struct ICU4XUnitsConverterDeleter {
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void operator()(capi::ICU4XUnitsConverter* l) const noexcept {
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capi::ICU4XUnitsConverter_destroy(l);
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}
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};
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/**
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* An ICU4X Units Converter object, capable of converting between two [`ICU4XMeasureUnit`]s.
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*
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* You can create an instance of this object using [`ICU4XUnitsConverterFactory`] by calling the `converter` method.
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*
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* See the [Rust documentation for `UnitsConverter`](https://docs.rs/icu/latest/icu/experimental/units/converter/struct.UnitsConverter.html) for more information.
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*/
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class ICU4XUnitsConverter {
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public:
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/**
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* Converts the input value in float from the input unit to the output unit (that have been used to create this converter).
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* NOTE:
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* The conversion using floating-point operations is not as accurate as the conversion using ratios.
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*
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* See the [Rust documentation for `convert`](https://docs.rs/icu/latest/icu/experimental/units/converter/struct.UnitsConverter.html#method.convert) for more information.
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*/
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double convert_f64(double value) const;
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/**
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* Clones the current [`ICU4XUnitsConverter`] object.
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*
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* See the [Rust documentation for `clone`](https://docs.rs/icu/latest/icu/experimental/units/converter/struct.UnitsConverter.html#method.clone) for more information.
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*/
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ICU4XUnitsConverter clone() const;
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inline const capi::ICU4XUnitsConverter* AsFFI() const { return this->inner.get(); }
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inline capi::ICU4XUnitsConverter* AsFFIMut() { return this->inner.get(); }
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inline explicit ICU4XUnitsConverter(capi::ICU4XUnitsConverter* i) : inner(i) {}
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ICU4XUnitsConverter() = default;
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ICU4XUnitsConverter(ICU4XUnitsConverter&&) noexcept = default;
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ICU4XUnitsConverter& operator=(ICU4XUnitsConverter&& other) noexcept = default;
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private:
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std::unique_ptr<capi::ICU4XUnitsConverter, ICU4XUnitsConverterDeleter> inner;
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};
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inline double ICU4XUnitsConverter::convert_f64(double value) const {
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return capi::ICU4XUnitsConverter_convert_f64(this->inner.get(), value);
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}
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inline ICU4XUnitsConverter ICU4XUnitsConverter::clone() const {
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return ICU4XUnitsConverter(capi::ICU4XUnitsConverter_clone(this->inner.get()));
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}
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#endif
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