/* Read configuration from YAML file */
use std::error::Error;
use std::fs::File;
use std::io::prelude::*;
use std::path::Path;
use yaml_rust::{YamlLoader, YamlEmitter};
pub struct Config {
token: String
}
pub fn read_config(input: &str) -> Config {
let path = Path::new(input);
let display = path.display();
let mut file = match File::open(&path) {
Err(why) => panic!("Couldn't open {}: {}", display, why.description()),
Ok(file) => file,
};
let mut contents = String::new();
file.read_to_string(&mut contents)
.expect("Something went wrong while reading the file.");
let docs = YamlLoader::load_from_str(&contents).unwrap();
let doc = &docs[0];
println!("{:?}", docs); // Debug support
let mut out_str = String::new(); {
let mut emitter = YamlEmitter::new(&mut out_str);
emitter.dump(doc).unwrap();
}
println!("{}", out_str); // Debug support
println!("{:?}", doc["Token"].as_str()); // Debug support
let t = doc["Token"].as_str()
.expect("Expected a token in config file.");
Config { token: t.to_string() }
}
