leven 0.2.0

Make your own blog!
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

use error::{Result, ResultExt};
use serde_json::{self, Value};
use std::env;
use std::fs::File;
use std::path::{Path, PathBuf};

pub fn path() -> Result<PathBuf> {
    let mut path = env::current_dir()
        .chain_err(|| "coudln't get current directory")?;

    loop {
        path.push("leven.json");
        
        if path.is_file() {
            return Ok(path);
        }

        path.pop();

        // If we already checked the root, then quit.

        if !path.pop() {
            return Err("no 'leven.json' found".into());
        }
    }
}

pub fn parse(path: &Path) -> Result<Value> {
    let file = File::open(path)
        .chain_err(|| "couldn't open config")?;
    serde_json::from_reader(file)
        .chain_err(|| "bad config")
}