rgch 0.1.33

Rust version of gch
Documentation 
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extern crate termion;

use crate::ansi::{
    colors::{R, U, X, Y},
    moves::{up_delete, ERASE},
    others::ARS,
};
use crate::Opt;
use std::collections::HashMap;
use std::{
    io::{stdin, stdout, Write},
    process::{exit, Command},
};
use termion::{
    cursor::{Hide, Show},
    event::{Event, Key},
    input::TermRead,
    raw::IntoRawMode,
};

pub fn abort() {
    beep();
    let string = format!("{r}{a}ABORT!{x}", r = R, a = ARS, x = X);
    println!("{}", string);
}

pub fn beep() {
    Command::new("sh")
        .arg("-c")
        .arg("echo \"\\07\"")
        .spawn()
        .expect("Failed to execute");
}

pub fn exit_msg(code: i32) {
    let string = format!("{z}{a}Exit from rgch... {x}", z = R, a = ARS, x = X);
    println!("{}", string);
    exit(code);
}

pub fn warning(statement: &str) {
    beep();
    let string = format!(
        "{r}{a}WARNING!: {s}{x}",
        r = R,
        a = ARS,
        s = statement,
        x = X
    );
    println!("{}", string);
}

pub fn confirm(question: &str) -> bool {
    print!("{}", Hide);
    let question = question.replace('`', U);
    let string = format!(
        "{y}{a}{q}{x}{y}? -> press: [y/n] {x}",
        a = ARS,
        y = Y,
        q = question,
        x = X
    );
    println!("{}\x1b[A", string);
    let mut f = true;
    let mut escape = true;
    let exit_a = Event::Key(Key::Ctrl('c'));
    let exit_b = Event::Key(Key::Ctrl('d'));
    let yes_a = Event::Key(Key::Char('y'));
    let yes_b = Event::Key(Key::Char('Y'));
    let no_a = Event::Key(Key::Char('n'));
    let no_b = Event::Key(Key::Char('N'));
    let mut abort = false;
    while escape {
        escape = false;
        let stdin = stdin();
        #[allow(unused_variables)]
        let stdout = stdout().into_raw_mode().unwrap();
        for evt in stdin.events() {
            let press = evt.unwrap();
            if press == exit_a || press == exit_b {
                println!("\n{r}{a}Aborting!{x}", r = R, a = ARS, x = X);
                abort = true;
                break;
            } else if press == yes_a || press == yes_b {
                break;
            } else if press == no_a || press == no_b {
                f = false;
                break;
            } else {
                escape = true;
            }
        }
    }

    if abort {
        print!("{}", Show);
        let _ = stdout().flush();
        print!("\x1b[G");
        exit(1);
    } else if f {
        println!("{}", Show);
    } else {
        print!("{}", Show);
    }

    print!("{}", up_delete(1));
    f
}

pub fn input(question: &str) -> String {
    print!("{e}{y}>> {q}: {x}", e = ERASE, y = Y, q = question, x = X);
    let mut s = String::new();
    let _ = stdout().flush();
    stdin().read_line(&mut s).expect("-a");
    if let Some('\n') = s.chars().next_back() {
        s.pop();
    }
    if let Some('\r') = s.chars().next_back() {
        s.pop();
    }
    s
}

pub fn show<S: ::std::hash::BuildHasher + Default>(args: &HashMap<String, Opt, S>) {
    match args["show-args"].value.len() {
        0 => {
            for (key, val) in args.iter() {
                println!("{:?} {:?}", key, val)
            }
        }
        _ => println!("{:#?}", args[&args["show-args"].value]),
    };
}