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Commit | Line | Data |
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0a29b90c FG |
1 | use std::cmp::Ordering; |
2 | ||
3 | use libc::{c_char, c_int}; | |
4 | ||
5 | use crate::raw; | |
6 | use crate::util::Binding; | |
7 | ||
8 | /// Time in a signature | |
9 | #[derive(Copy, Clone, Debug, Eq, PartialEq)] | |
10 | pub struct Time { | |
11 | raw: raw::git_time, | |
12 | } | |
13 | ||
14 | /// Time structure used in a git index entry. | |
15 | #[derive(Copy, Clone, Debug, Eq, PartialEq)] | |
16 | pub struct IndexTime { | |
17 | raw: raw::git_index_time, | |
18 | } | |
19 | ||
20 | impl Time { | |
21 | /// Creates a new time structure from its components. | |
22 | pub fn new(time: i64, offset: i32) -> Time { | |
23 | unsafe { | |
24 | Binding::from_raw(raw::git_time { | |
25 | time: time as raw::git_time_t, | |
26 | offset: offset as c_int, | |
27 | sign: if offset < 0 { '-' } else { '+' } as c_char, | |
28 | }) | |
29 | } | |
30 | } | |
31 | ||
32 | /// Return the time, in seconds, from epoch | |
33 | pub fn seconds(&self) -> i64 { | |
34 | self.raw.time as i64 | |
35 | } | |
36 | ||
37 | /// Return the timezone offset, in minutes | |
38 | pub fn offset_minutes(&self) -> i32 { | |
39 | self.raw.offset as i32 | |
40 | } | |
41 | ||
42 | /// Return whether the offset was positive or negative. Primarily useful | |
43 | /// in case the offset is specified as a negative zero. | |
44 | pub fn sign(&self) -> char { | |
45 | self.raw.sign as u8 as char | |
46 | } | |
47 | } | |
48 | ||
49 | impl PartialOrd for Time { | |
50 | fn partial_cmp(&self, other: &Time) -> Option<Ordering> { | |
51 | Some(self.cmp(other)) | |
52 | } | |
53 | } | |
54 | ||
55 | impl Ord for Time { | |
56 | fn cmp(&self, other: &Time) -> Ordering { | |
57 | (self.raw.time, self.raw.offset).cmp(&(other.raw.time, other.raw.offset)) | |
58 | } | |
59 | } | |
60 | ||
61 | impl Binding for Time { | |
62 | type Raw = raw::git_time; | |
63 | unsafe fn from_raw(raw: raw::git_time) -> Time { | |
64 | Time { raw } | |
65 | } | |
66 | fn raw(&self) -> raw::git_time { | |
67 | self.raw | |
68 | } | |
69 | } | |
70 | ||
71 | impl IndexTime { | |
72 | /// Creates a new time structure from its components. | |
73 | pub fn new(seconds: i32, nanoseconds: u32) -> IndexTime { | |
74 | unsafe { | |
75 | Binding::from_raw(raw::git_index_time { | |
76 | seconds, | |
77 | nanoseconds, | |
78 | }) | |
79 | } | |
80 | } | |
81 | ||
82 | /// Returns the number of seconds in the second component of this time. | |
83 | pub fn seconds(&self) -> i32 { | |
84 | self.raw.seconds | |
85 | } | |
86 | /// Returns the nanosecond component of this time. | |
87 | pub fn nanoseconds(&self) -> u32 { | |
88 | self.raw.nanoseconds | |
89 | } | |
90 | } | |
91 | ||
92 | impl Binding for IndexTime { | |
93 | type Raw = raw::git_index_time; | |
94 | unsafe fn from_raw(raw: raw::git_index_time) -> IndexTime { | |
95 | IndexTime { raw } | |
96 | } | |
97 | fn raw(&self) -> raw::git_index_time { | |
98 | self.raw | |
99 | } | |
100 | } | |
101 | ||
102 | impl PartialOrd for IndexTime { | |
103 | fn partial_cmp(&self, other: &IndexTime) -> Option<Ordering> { | |
104 | Some(self.cmp(other)) | |
105 | } | |
106 | } | |
107 | ||
108 | impl Ord for IndexTime { | |
109 | fn cmp(&self, other: &IndexTime) -> Ordering { | |
110 | let me = (self.raw.seconds, self.raw.nanoseconds); | |
111 | let other = (other.raw.seconds, other.raw.nanoseconds); | |
112 | me.cmp(&other) | |
113 | } | |
114 | } | |
115 | ||
116 | #[cfg(test)] | |
117 | mod tests { | |
118 | use crate::Time; | |
119 | ||
120 | #[test] | |
121 | fn smoke() { | |
122 | assert_eq!(Time::new(1608839587, -300).seconds(), 1608839587); | |
123 | assert_eq!(Time::new(1608839587, -300).offset_minutes(), -300); | |
124 | assert_eq!(Time::new(1608839587, -300).sign(), '-'); | |
125 | assert_eq!(Time::new(1608839587, 300).sign(), '+'); | |
126 | } | |
127 | } |