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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
use fixed_decimal::Sign;
use fixed_decimal::SignDisplay;
#[diplomat::bridge]
pub mod ffi {
use alloc::boxed::Box;
use fixed_decimal::{DoublePrecision, FixedDecimal};
use writeable::Writeable;
use crate::errors::ffi::ICU4XError;
#[diplomat::opaque]
#[diplomat::rust_link(fixed_decimal::FixedDecimal, Struct)]
pub struct ICU4XFixedDecimal(pub FixedDecimal);
/// The sign of a FixedDecimal, as shown in formatting.
#[diplomat::rust_link(fixed_decimal::Sign, Enum)]
pub enum ICU4XFixedDecimalSign {
/// No sign (implicitly positive, e.g., 1729).
None,
/// A negative sign, e.g., -1729.
Negative,
/// An explicit positive sign, e.g., +1729.
Positive,
}
/// ECMA-402 compatible sign display preference.
#[diplomat::rust_link(fixed_decimal::SignDisplay, Enum)]
pub enum ICU4XFixedDecimalSignDisplay {
Auto,
Never,
Always,
ExceptZero,
Negative,
}
/// Increment used in a rounding operation.
#[diplomat::rust_link(fixed_decimal::RoundingIncrement, Enum)]
pub enum ICU4XRoundingIncrement {
MultiplesOf1,
MultiplesOf2,
MultiplesOf5,
MultiplesOf25,
}
impl ICU4XFixedDecimal {
/// Construct an [`ICU4XFixedDecimal`] from an integer.
#[diplomat::rust_link(fixed_decimal::FixedDecimal, Struct)]
#[diplomat::attr(dart, disable)]
pub fn create_from_i32(v: i32) -> Box<ICU4XFixedDecimal> {
Box::new(ICU4XFixedDecimal(FixedDecimal::from(v)))
}
/// Construct an [`ICU4XFixedDecimal`] from an integer.
#[diplomat::rust_link(fixed_decimal::FixedDecimal, Struct)]
#[diplomat::attr(dart, disable)]
pub fn create_from_u32(v: u32) -> Box<ICU4XFixedDecimal> {
Box::new(ICU4XFixedDecimal(FixedDecimal::from(v)))
}
/// Construct an [`ICU4XFixedDecimal`] from an integer.
#[diplomat::rust_link(fixed_decimal::FixedDecimal, Struct)]
#[diplomat::attr(dart, rename = "create_from_int")]
pub fn create_from_i64(v: i64) -> Box<ICU4XFixedDecimal> {
Box::new(ICU4XFixedDecimal(FixedDecimal::from(v)))
}
/// Construct an [`ICU4XFixedDecimal`] from an integer.
#[diplomat::rust_link(fixed_decimal::FixedDecimal, Struct)]
#[diplomat::attr(dart, disable)]
pub fn create_from_u64(v: u64) -> Box<ICU4XFixedDecimal> {
Box::new(ICU4XFixedDecimal(FixedDecimal::from(v)))
}
/// Construct an [`ICU4XFixedDecimal`] from an integer-valued float
#[diplomat::rust_link(fixed_decimal::FixedDecimal::try_from_f64, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FloatPrecision, Enum)]
#[diplomat::rust_link(fixed_decimal::DoublePrecision, Enum, hidden)]
#[diplomat::attr(dart, disable)]
#[diplomat::attr(dart, rename = "create_from_double_with_integer_precision")]
pub fn create_from_f64_with_integer_precision(
f: f64,
) -> Result<Box<ICU4XFixedDecimal>, ICU4XError> {
let precision = DoublePrecision::Integer;
Ok(Box::new(ICU4XFixedDecimal(FixedDecimal::try_from_f64(
f, precision,
)?)))
}
/// Construct an [`ICU4XFixedDecimal`] from an float, with a given power of 10 for the lower magnitude
#[diplomat::rust_link(fixed_decimal::FixedDecimal::try_from_f64, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FloatPrecision, Enum)]
#[diplomat::rust_link(fixed_decimal::DoublePrecision, Enum, hidden)]
#[diplomat::attr(dart, rename = "create_from_double_with_lower_magnitude")]
pub fn create_from_f64_with_lower_magnitude(
f: f64,
magnitude: i16,
) -> Result<Box<ICU4XFixedDecimal>, ICU4XError> {
let precision = DoublePrecision::Magnitude(magnitude);
Ok(Box::new(ICU4XFixedDecimal(FixedDecimal::try_from_f64(
f, precision,
)?)))
}
/// Construct an [`ICU4XFixedDecimal`] from an float, for a given number of significant digits
#[diplomat::rust_link(fixed_decimal::FixedDecimal::try_from_f64, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FloatPrecision, Enum)]
#[diplomat::rust_link(fixed_decimal::DoublePrecision, Enum, hidden)]
#[diplomat::attr(dart, rename = "create_from_double_with_significant_digits")]
pub fn create_from_f64_with_significant_digits(
f: f64,
digits: u8,
) -> Result<Box<ICU4XFixedDecimal>, ICU4XError> {
let precision = DoublePrecision::SignificantDigits(digits);
Ok(Box::new(ICU4XFixedDecimal(FixedDecimal::try_from_f64(
f, precision,
)?)))
}
/// Construct an [`ICU4XFixedDecimal`] from an float, with enough digits to recover
/// the original floating point in IEEE 754 without needing trailing zeros
#[diplomat::rust_link(fixed_decimal::FixedDecimal::try_from_f64, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FloatPrecision, Enum)]
#[diplomat::rust_link(fixed_decimal::DoublePrecision, Enum, hidden)]
#[diplomat::attr(dart, rename = "create_from_double_with_double_precision")]
pub fn create_from_f64_with_floating_precision(
f: f64,
) -> Result<Box<ICU4XFixedDecimal>, ICU4XError> {
let precision = DoublePrecision::Floating;
Ok(Box::new(ICU4XFixedDecimal(FixedDecimal::try_from_f64(
f, precision,
)?)))
}
/// Construct an [`ICU4XFixedDecimal`] from a string.
#[diplomat::rust_link(fixed_decimal::FixedDecimal::from_str, FnInStruct)]
pub fn create_from_string(v: &str) -> Result<Box<ICU4XFixedDecimal>, ICU4XError> {
let v = v.as_bytes(); // #2520
Ok(Box::new(ICU4XFixedDecimal(FixedDecimal::try_from(v)?)))
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::digit_at, FnInStruct)]
pub fn digit_at(&self, magnitude: i16) -> u8 {
self.0.digit_at(magnitude)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::magnitude_range, FnInStruct)]
pub fn magnitude_start(&self) -> i16 {
*self.0.magnitude_range().start()
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::magnitude_range, FnInStruct)]
pub fn magnitude_end(&self) -> i16 {
*self.0.magnitude_range().end()
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::nonzero_magnitude_start, FnInStruct)]
pub fn nonzero_magnitude_start(&self) -> i16 {
self.0.nonzero_magnitude_start()
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::nonzero_magnitude_end, FnInStruct)]
pub fn nonzero_magnitude_end(&self) -> i16 {
self.0.nonzero_magnitude_end()
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::is_zero, FnInStruct)]
pub fn is_zero(&self) -> bool {
self.0.is_zero()
}
/// Multiply the [`ICU4XFixedDecimal`] by a given power of ten.
#[diplomat::rust_link(fixed_decimal::FixedDecimal::multiply_pow10, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::multiplied_pow10, FnInStruct, hidden)]
pub fn multiply_pow10(&mut self, power: i16) {
self.0.multiply_pow10(power)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::sign, FnInStruct)]
pub fn sign(&self) -> ICU4XFixedDecimalSign {
self.0.sign().into()
}
/// Set the sign of the [`ICU4XFixedDecimal`].
#[diplomat::rust_link(fixed_decimal::FixedDecimal::set_sign, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::with_sign, FnInStruct, hidden)]
pub fn set_sign(&mut self, sign: ICU4XFixedDecimalSign) {
self.0.set_sign(sign.into())
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::apply_sign_display, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::with_sign_display, FnInStruct, hidden)]
pub fn apply_sign_display(&mut self, sign_display: ICU4XFixedDecimalSignDisplay) {
self.0.apply_sign_display(sign_display.into())
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trim_start, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trimmed_start, FnInStruct, hidden)]
pub fn trim_start(&mut self) {
self.0.trim_start()
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trim_end, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trimmed_end, FnInStruct, hidden)]
pub fn trim_end(&mut self) {
self.0.trim_end()
}
/// Zero-pad the [`ICU4XFixedDecimal`] on the left to a particular position
#[diplomat::rust_link(fixed_decimal::FixedDecimal::pad_start, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::padded_start, FnInStruct, hidden)]
pub fn pad_start(&mut self, position: i16) {
self.0.pad_start(position)
}
/// Zero-pad the [`ICU4XFixedDecimal`] on the right to a particular position
#[diplomat::rust_link(fixed_decimal::FixedDecimal::pad_end, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::padded_end, FnInStruct, hidden)]
pub fn pad_end(&mut self, position: i16) {
self.0.pad_end(position)
}
/// Truncate the [`ICU4XFixedDecimal`] on the left to a particular position, deleting digits if necessary. This is useful for, e.g. abbreviating years
/// ("2022" -> "22")
#[diplomat::rust_link(fixed_decimal::FixedDecimal::set_max_position, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::with_max_position, FnInStruct, hidden)]
pub fn set_max_position(&mut self, position: i16) {
self.0.set_max_position(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trunc, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::trunced, FnInStruct, hidden)]
pub fn trunc(&mut self, position: i16) {
self.0.trunc(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_trunc, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_trunced, FnInStruct, hidden)]
pub fn half_trunc(&mut self, position: i16) {
self.0.half_trunc(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::expand, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::expanded, FnInStruct, hidden)]
pub fn expand(&mut self, position: i16) {
self.0.expand(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_expand, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_expanded, FnInStruct, hidden)]
pub fn half_expand(&mut self, position: i16) {
self.0.half_expand(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::ceil, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::ceiled, FnInStruct, hidden)]
pub fn ceil(&mut self, position: i16) {
self.0.ceil(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_ceil, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_ceiled, FnInStruct, hidden)]
pub fn half_ceil(&mut self, position: i16) {
self.0.half_ceil(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::floor, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::floored, FnInStruct, hidden)]
pub fn floor(&mut self, position: i16) {
self.0.floor(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_floor, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_floored, FnInStruct, hidden)]
pub fn half_floor(&mut self, position: i16) {
self.0.half_floor(position)
}
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_even, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::half_evened, FnInStruct, hidden)]
pub fn half_even(&mut self, position: i16) {
self.0.half_even(position)
}
/// Concatenates `other` to the end of `self`.
///
/// If successful, `other` will be set to 0 and a successful status is returned.
///
/// If not successful, `other` will be unchanged and an error is returned.
#[diplomat::rust_link(fixed_decimal::FixedDecimal::concatenate_end, FnInStruct)]
#[diplomat::rust_link(fixed_decimal::FixedDecimal::concatenated_end, FnInStruct, hidden)]
pub fn concatenate_end(&mut self, other: &mut ICU4XFixedDecimal) -> Result<(), ()> {
let x = core::mem::take(&mut other.0);
self.0.concatenate_end(x).map_err(|y| {
other.0 = y;
})
}
/// Format the [`ICU4XFixedDecimal`] as a string.
#[diplomat::rust_link(fixed_decimal::FixedDecimal::write_to, FnInStruct)]
pub fn to_string(&self, to: &mut diplomat_runtime::DiplomatWriteable) {
let _ = self.0.write_to(to);
}
}
}
impl From<ffi::ICU4XFixedDecimalSign> for Sign {
fn from(other: ffi::ICU4XFixedDecimalSign) -> Self {
match other {
ffi::ICU4XFixedDecimalSign::None => Self::None,
ffi::ICU4XFixedDecimalSign::Negative => Self::Negative,
ffi::ICU4XFixedDecimalSign::Positive => Self::Positive,
}
}
}
impl From<Sign> for ffi::ICU4XFixedDecimalSign {
fn from(other: Sign) -> Self {
match other {
Sign::None => Self::None,
Sign::Negative => Self::Negative,
Sign::Positive => Self::Positive,
}
}
}
impl From<ffi::ICU4XFixedDecimalSignDisplay> for SignDisplay {
fn from(other: ffi::ICU4XFixedDecimalSignDisplay) -> Self {
match other {
ffi::ICU4XFixedDecimalSignDisplay::Auto => Self::Auto,
ffi::ICU4XFixedDecimalSignDisplay::Never => Self::Never,
ffi::ICU4XFixedDecimalSignDisplay::Always => Self::Always,
ffi::ICU4XFixedDecimalSignDisplay::ExceptZero => Self::ExceptZero,
ffi::ICU4XFixedDecimalSignDisplay::Negative => Self::Negative,
}
}
}