Module expectrl::interact

source ·
Expand description

This module contains a routines for running and utilizing an interacting session with a Session.

use expectrl::{interact::{InteractOptions, actions::lookup::Lookup}, spawn, stream::stdin::Stdin, Regex};

#[derive(Debug)]
enum Answer {
    Yes,
    No,
    Unrecognized,
}

let mut session = spawn("cat").expect("Can't spawn a session");

let mut input_action = Lookup::new();

let mut stdin = Stdin::open().unwrap();
let stdout = std::io::stdout();

let mut opts = InteractOptions::new(Answer::Unrecognized)
    .on_input(|mut ctx| {
        let m = input_action.on(ctx.buf, ctx.eof, "yes")?;
        if m.is_some() {
            *ctx.state = Answer::Yes;
        };

        let m = input_action.on(ctx.buf, ctx.eof, "no")?;
        if m.is_some() {
            *ctx.state = Answer::No;
        };

        Ok(false)
    });

session.interact(&mut stdin, stdout)
    .spawn(&mut opts)
    .expect("Failed to run an interact session");

let answer = opts.into_inner();

stdin.close().unwrap();

println!("It was said {:?}", answer);

Modules

Structs

  • Context
    Context provides an interface to use a Session, IO streams and a state.
  • InteractOptions
    Interact options (aka callbacks you can set to be callled being in an interactive mode).
  • InteractSession
    InteractConfig represents options of an interactive session.

Type Definitions