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// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Immutable numbers.
use core_foundation_sys::base::kCFAllocatorDefault;
pub use core_foundation_sys::number::*;
use std::os::raw::c_void;
use crate::base::TCFType;
declare_TCFType! {
/// An immutable numeric value.
CFNumber, CFNumberRef
}
impl_TCFType!(CFNumber, CFNumberRef, CFNumberGetTypeID);
impl_CFTypeDescription!(CFNumber);
impl_CFComparison!(CFNumber, CFNumberCompare);
impl CFNumber {
#[inline]
pub fn to_i32(&self) -> Option<i32> {
unsafe {
let mut value: i32 = 0;
let ok = CFNumberGetValue(
self.0,
kCFNumberSInt32Type,
&mut value as *mut i32 as *mut c_void,
);
if ok {
Some(value)
} else {
None
}
}
}
#[inline]
pub fn to_i64(&self) -> Option<i64> {
unsafe {
let mut value: i64 = 0;
let ok = CFNumberGetValue(
self.0,
kCFNumberSInt64Type,
&mut value as *mut i64 as *mut c_void,
);
if ok {
Some(value)
} else {
None
}
}
}
#[inline]
pub fn to_f32(&self) -> Option<f32> {
unsafe {
let mut value: f32 = 0.0;
let ok = CFNumberGetValue(
self.0,
kCFNumberFloat32Type,
&mut value as *mut f32 as *mut c_void,
);
if ok {
Some(value)
} else {
None
}
}
}
#[inline]
pub fn to_f64(&self) -> Option<f64> {
unsafe {
let mut value: f64 = 0.0;
let ok = CFNumberGetValue(
self.0,
kCFNumberFloat64Type,
&mut value as *mut f64 as *mut c_void,
);
if ok {
Some(value)
} else {
None
}
}
}
}
impl From<i32> for CFNumber {
#[inline]
fn from(value: i32) -> Self {
unsafe {
let number_ref = CFNumberCreate(
kCFAllocatorDefault,
kCFNumberSInt32Type,
&value as *const i32 as *const c_void,
);
TCFType::wrap_under_create_rule(number_ref)
}
}
}
impl From<i64> for CFNumber {
#[inline]
fn from(value: i64) -> Self {
unsafe {
let number_ref = CFNumberCreate(
kCFAllocatorDefault,
kCFNumberSInt64Type,
&value as *const i64 as *const c_void,
);
TCFType::wrap_under_create_rule(number_ref)
}
}
}
impl From<f32> for CFNumber {
#[inline]
fn from(value: f32) -> Self {
unsafe {
let number_ref = CFNumberCreate(
kCFAllocatorDefault,
kCFNumberFloat32Type,
&value as *const f32 as *const c_void,
);
TCFType::wrap_under_create_rule(number_ref)
}
}
}
impl From<f64> for CFNumber {
#[inline]
fn from(value: f64) -> Self {
unsafe {
let number_ref = CFNumberCreate(
kCFAllocatorDefault,
kCFNumberFloat64Type,
&value as *const f64 as *const c_void,
);
TCFType::wrap_under_create_rule(number_ref)
}
}
}