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
use super::dirs::dir_config_create;
extern crate config;
use self::config::reader::{from_file, from_stream};
use self::config::types::{Config, SettingsList};
use std::error::Error;
use std::fs::metadata;
use std::io::stdin;
use std::path::Path;
fn wrap_from_file(path: &Path) -> Result<Config, Box<Error>> {
Ok(try!(if path.to_str() == Some("-") {
from_stream(&mut stdin())
} else {
from_file(path)
}))
}
pub fn load_config(app: &str, file: &str) -> Result<Config, Box<Error>> {
let mut path_buf = try!(dir_config_create(app));
path_buf.push(file);
load_config_path(path_buf.as_path())
}
pub fn load_config_path(path: &Path) -> Result<Config, Box<Error>> {
if metadata(path).ok().map_or(false, |m| m.is_file()) {
let config = try!(wrap_from_file(path));
Ok(config)
} else {
Ok(Config::new(SettingsList::new()))
}
}