input.js

var readline = require("readline")

function readInput(db) {
    var rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout,
        terminal: false
    })

    function logResult(err, result) {
        if (err) { console.error("hyperdb failed with", err) }
        if (arguments.length >= 2) { console.log(result) }
    }
    
    var pattern = (/\.(\w*)\s*(.*)/)
    rl.on("line", function(line) {
        var match = pattern.exec(line) 
        if (!match) return
        var cmd = match[1] || ""
        var arg = match[2] || ""
        if (cmd === "put") {
            var [key, value] = arg.split("=")
            db.put(key, value, logResult)
        } else if (cmd === "get") { db.get(arg, logResult)
        } else if (cmd === "auth") { db.authorize(Buffer.from(arg, "hex"), logResult)
        } else if (cmd === "local") { console.log("local key is\n\t", db.local.key.toString("hex"))
        } else if (cmd === "db") { console.log("db key is\n\t", db.key.toString("hex"))
        } else if (cmd === "registered") { db.authorized(Buffer.from(arg, "hex"), logResult) }
    })
}
module.exports = readInput