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
use crate::prelude::*;
use directories_next::BaseDirs;
use std::ffi::OsStr;
use std::io::{BufRead, BufReader};
use std::path::{Path, PathBuf};
pub trait ToStringExt {
fn to_string(&self) -> String;
}
impl ToStringExt for Path {
fn to_string(&self) -> String {
self.to_string_lossy().to_string()
}
}
impl ToStringExt for OsStr {
fn to_string(&self) -> String {
self.to_string_lossy().to_string()
}
}
pub fn config_dir(project_name: &str) -> Result<PathBuf> {
let base_dirs = BaseDirs::new().context("unable to get base dirs")?;
let mut pathbuf = PathBuf::from(base_dirs.config_dir());
pathbuf.push(project_name);
Ok(pathbuf)
}
pub fn open(filename: &Path) -> Result<File> {
File::open(filename).with_context(|| {
let x = filename.to_string();
format!("Failed to open file {}", &x)
})
}
pub fn read_lines(filename: &Path) -> Result<impl Iterator<Item = String>> {
let file = open(filename)?;
let lines = BufReader::new(file).lines();
Ok(lines.map(|x| x.expect("bad line")))
}
pub fn remove_file(path: &Path) -> Result<()> {
if !path.exists() {
return Ok(());
}
std::fs::remove_file(path).with_context(|| format!("Failed to rm {}", path.to_string()))?;
Ok(())
}