1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
use std::convert::TryFrom as _;
#[derive(Debug, Clone)]
pub struct Creator {
base_time: Option<std::time::Instant>,
}
impl Creator {
pub fn new() -> Self {
Default::default()
}
pub fn frame(
&mut self,
cur_time: std::time::Instant,
data: &[u8],
) -> crate::error::Result<Vec<u8>> {
let base_time = if let Some(base_time) = &self.base_time {
base_time
} else {
self.base_time = Some(cur_time);
self.base_time.as_ref().unwrap()
};
Vec::<u8>::try_from(crate::frame::Frame {
time: cur_time - *base_time,
data: data.to_vec(),
})
}
}
impl Default for Creator {
fn default() -> Self {
Self { base_time: None }
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_basic() {
let mut creator = Creator::new();
let base_time = std::time::Instant::now();
assert_eq!(
creator.frame(base_time, b"").unwrap(),
vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
);
assert_eq!(
creator
.frame(
base_time + std::time::Duration::new(38, 123_456_000),
b"\x1b[2Jfoobar"
)
.unwrap(),
vec![
38, 0, 0, 0, 64, 226, 1, 0, 10, 0, 0, 0, 27, 91, 50, 74, 102,
111, 111, 98, 97, 114,
],
);
}
}
|
