core_foundation_sys/
number.rs

1// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution.
3//
4// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7// option. This file may not be copied, modified, or distributed
8// except according to those terms.
9
10use std::os::raw::c_void;
11
12use crate::base::{Boolean, CFAllocatorRef, CFComparisonResult, CFIndex, CFTypeID};
13
14#[repr(C)]
15pub struct __CFBoolean(c_void);
16
17pub type CFBooleanRef = *const __CFBoolean;
18
19pub type CFNumberType = u32;
20
21// members of enum CFNumberType
22pub const kCFNumberSInt8Type: CFNumberType = 1;
23pub const kCFNumberSInt16Type: CFNumberType = 2;
24pub const kCFNumberSInt32Type: CFNumberType = 3;
25pub const kCFNumberSInt64Type: CFNumberType = 4;
26pub const kCFNumberFloat32Type: CFNumberType = 5;
27pub const kCFNumberFloat64Type: CFNumberType = 6;
28pub const kCFNumberCharType: CFNumberType = 7;
29pub const kCFNumberShortType: CFNumberType = 8;
30pub const kCFNumberIntType: CFNumberType = 9;
31pub const kCFNumberLongType: CFNumberType = 10;
32pub const kCFNumberLongLongType: CFNumberType = 11;
33pub const kCFNumberFloatType: CFNumberType = 12;
34pub const kCFNumberDoubleType: CFNumberType = 13;
35pub const kCFNumberCFIndexType: CFNumberType = 14;
36pub const kCFNumberNSIntegerType: CFNumberType = 15;
37pub const kCFNumberCGFloatType: CFNumberType = 16;
38pub const kCFNumberMaxType: CFNumberType = 16;
39
40// This is an enum due to zero-sized types warnings.
41// For more details see https://github.com/rust-lang/rust/issues/27303
42pub enum __CFNumber {}
43
44pub type CFNumberRef = *const __CFNumber;
45
46extern "C" {
47    /*
48     * CFNumber.h
49     */
50    pub static kCFBooleanTrue: CFBooleanRef;
51    pub static kCFBooleanFalse: CFBooleanRef;
52    pub static kCFNumberPositiveInfinity: CFNumberRef;
53    pub static kCFNumberNegativeInfinity: CFNumberRef;
54    pub static kCFNumberNaN: CFNumberRef;
55
56    /* Creating a Number */
57    pub fn CFNumberCreate(
58        allocator: CFAllocatorRef,
59        theType: CFNumberType,
60        valuePtr: *const c_void,
61    ) -> CFNumberRef;
62
63    /* Getting Information About Numbers */
64    pub fn CFNumberGetByteSize(number: CFNumberRef) -> CFIndex;
65    pub fn CFNumberGetType(number: CFNumberRef) -> CFNumberType;
66    pub fn CFNumberGetValue(
67        number: CFNumberRef,
68        theType: CFNumberType,
69        valuePtr: *mut c_void,
70    ) -> bool;
71    pub fn CFNumberIsFloatType(number: CFNumberRef) -> Boolean;
72
73    /* Comparing Numbers */
74    pub fn CFNumberCompare(
75        date: CFNumberRef,
76        other: CFNumberRef,
77        context: *mut c_void,
78    ) -> CFComparisonResult;
79
80    /* Getting the CFNumber Type ID */
81    pub fn CFNumberGetTypeID() -> CFTypeID;
82
83    pub fn CFBooleanGetValue(boolean: CFBooleanRef) -> bool;
84    pub fn CFBooleanGetTypeID() -> CFTypeID;
85}
86
87#[cfg(test)]
88mod test {
89    use super::*;
90
91    #[test]
92    fn match_for_type_id_should_be_backwards_compatible() {
93        let type_id = kCFNumberFloat32Type;
94        // this is the old style of matching for static variables
95        match type_id {
96            vf64 if vf64 == kCFNumberFloat32Type => assert!(true),
97            _ => panic!("should not happen"),
98        };
99
100        // this is new new style of matching for consts
101        match type_id {
102            kCFNumberFloat32Type => assert!(true),
103            _ => panic!("should not happen"),
104        };
105    }
106}
core_foundation_sys/number.rs

core_foundation_sys/
number.rs
