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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
use std::io::{BufRead, BufReader};
use std::{fs::File, path::Path};
use eyre::{eyre, Result};
use super::count_lines;
use crate::history::History;
#[derive(Debug)]
pub struct Bash {
file: BufReader<File>,
pub loc: u64,
pub counter: i64,
}
impl Bash {
pub fn new(path: impl AsRef<Path>) -> Result<Self> {
let file = File::open(path)?;
let mut buf = BufReader::new(file);
let loc = count_lines(&mut buf)?;
Ok(Self {
file: buf,
loc: loc as u64,
counter: 0,
})
}
fn read_line(&mut self) -> Option<Result<String>> {
let mut line = String::new();
match self.file.read_line(&mut line) {
Ok(0) => None,
Ok(_) => Some(Ok(line)),
Err(e) => Some(Err(eyre!("failed to read line: {}", e))), // we can skip past things like invalid utf8
}
}
}
impl Iterator for Bash {
type Item = Result<History>;
fn next(&mut self) -> Option<Self::Item> {
let line = self.read_line()?;
if let Err(e) = line {
return Some(Err(e)); // :(
}
let mut line = line.unwrap();
while line.ends_with("\\\n") {
let next_line = self.read_line()?;
if next_line.is_err() {
break;
}
line.push_str(next_line.unwrap().as_str());
}
let time = chrono::Utc::now();
let offset = chrono::Duration::seconds(self.counter);
let time = time - offset;
self.counter += 1;
Some(Ok(History::new(
time,
line.trim_end().to_string(),
String::from("unknown"),
-1,
-1,
None,
None,
)))
}
}
|
