#!/usr/bin/env node;
/******************************************************************************
 * This program converts a string to bit patterns.
 * 
 * Copyright © 2016 Richard Lesh.  All rights reserved.
 *****************************************************************************/

const Utils = require('./Utils');

const LEFT_HALF_BLOCK = "\u258c";

const main = async () => {
    let message = "";
    if (process.argv.length == 3) {
        message = process.argv[2];
    } else {
        console.log(Utils.format("Syntax: {0:s} message", Utils.filename(process.argv[1])));
        process.exit(1);
    }

    for (let mask = 128; mask > 0; mask >>>= 1) {
        for (let c of message) {
            const c2 = (c.codePointAt(0) & mask) !== 0 ? LEFT_HALF_BLOCK : " ";
            process.stdout.write(c2);
        }
        console.log();
    }
}
main().catch( e => { console.error(e) } );