use std::io::{self, stdout, Read};
use termion::raw::IntoRawMode;

fn to_ctrl_byte(c: char) -> u8 {
	let byte = c as u8;
	byte & 0b0001_1111
}

fn die(e: std::io::Error) {
	panic!(e);
}

fn main() {
	let _stdout = stdout().into_raw_mode().unwrap();
	
    for b in io::stdin().bytes() {
		match b {
			Ok(b) => {
				let b = b.unwrap();
				let c = b as char;
				if c.is_control() {
					println!("{:?} \r", b);
				} else {
					println!("{:?} ({})\r", b, c);
				}
		
				if b == to_ctrl_byte('q') {
					break;
				}
			}
			Err(err) => die(err),
		}
	}
}