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use std::io::{Read, Write, Stdin, Stdout};
pub struct StreamDevice {
pub wake_flag: bool,
pub input_control: bool,
pub output_control: bool,
pub read_queue: Vec<u8>,
pub stdin: Stdin,
pub stdout: Stdout,
}
impl StreamDevice {
pub fn new() -> Self {
Self {
wake_flag: false,
input_control: true,
output_control: true,
read_queue: Vec::with_capacity(256),
stdin: std::io::stdin(),
stdout: std::io::stdout(),
}
}
// pub fn fetch_stdin(&mut self) {
// match self.stdin.read(&mut self.read_queue) {
// Ok() => (),
// Err() => (),
// }
// }
pub fn read_stdin(&mut self) -> u8 {
let mut buffer = [0; 1];
match self.stdin.read_exact(&mut buffer) {
Ok(()) => buffer[0],
Err(_) => 0,
}
}
pub fn write_stdout(&mut self, val: u8) {
self.stdout.write_all(&[val]).unwrap();
}
}
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