core_foundation/
uuid.rs

1// Copyright 2013 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
10//! Core Foundation UUID objects.
11
12use core_foundation_sys::base::kCFAllocatorDefault;
13pub use core_foundation_sys::uuid::*;
14
15use crate::base::TCFType;
16
17#[cfg(feature = "with-uuid")]
18use uuid::Uuid;
19
20declare_TCFType! {
21    /// A UUID.
22    CFUUID, CFUUIDRef
23}
24impl_TCFType!(CFUUID, CFUUIDRef, CFUUIDGetTypeID);
25impl_CFTypeDescription!(CFUUID);
26
27impl CFUUID {
28    #[inline]
29    pub fn new() -> CFUUID {
30        unsafe {
31            let uuid_ref = CFUUIDCreate(kCFAllocatorDefault);
32            TCFType::wrap_under_create_rule(uuid_ref)
33        }
34    }
35}
36
37impl Default for CFUUID {
38    fn default() -> Self {
39        Self::new()
40    }
41}
42
43#[cfg(feature = "with-uuid")]
44impl From<CFUUID> for Uuid {
45    fn from(val: CFUUID) -> Self {
46        let b = unsafe { CFUUIDGetUUIDBytes(val.0) };
47        let bytes = [
48            b.byte0, b.byte1, b.byte2, b.byte3, b.byte4, b.byte5, b.byte6, b.byte7, b.byte8,
49            b.byte9, b.byte10, b.byte11, b.byte12, b.byte13, b.byte14, b.byte15,
50        ];
51        Uuid::from_bytes(bytes)
52    }
53}
54
55#[cfg(feature = "with-uuid")]
56impl From<Uuid> for CFUUID {
57    fn from(uuid: Uuid) -> CFUUID {
58        let b = uuid.as_bytes();
59        let bytes = CFUUIDBytes {
60            byte0: b[0],
61            byte1: b[1],
62            byte2: b[2],
63            byte3: b[3],
64            byte4: b[4],
65            byte5: b[5],
66            byte6: b[6],
67            byte7: b[7],
68            byte8: b[8],
69            byte9: b[9],
70            byte10: b[10],
71            byte11: b[11],
72            byte12: b[12],
73            byte13: b[13],
74            byte14: b[14],
75            byte15: b[15],
76        };
77        unsafe {
78            let uuid_ref = CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault, bytes);
79            TCFType::wrap_under_create_rule(uuid_ref)
80        }
81    }
82}
83
84#[cfg(test)]
85#[cfg(feature = "with-uuid")]
86mod test {
87    use super::CFUUID;
88    use uuid::Uuid;
89
90    #[test]
91    fn uuid_conversion() {
92        let cf_uuid = CFUUID::new();
93        let uuid: Uuid = cf_uuid.clone().into();
94        let converted = CFUUID::from(uuid);
95        assert_eq!(cf_uuid, converted);
96    }
97}
core_foundation/uuid.rs

core_foundation/
uuid.rs
