storage.js

function getData(arg) {
    var ret = parseName(arg);
    arg = ret[1];
    var obj = storage.get(ret[0]);
    channel.message("Parsing json: " + obj);
    obj = JSON.parse(obj);
    while (!arg.isEmpty()) {
        ret = parseName(arg);
        arg = ret[1];
        var name = ret[0];
        if (obj == null) {
            channel.message("Data not found, noob");
            return;
        }
        obj = obj[name];
    }
    channel.message(JSON.stringify(obj));
}

function setData(arg) {
    var ret = parseName(arg);
    arg = ret[1];
    var lastObj;
    var name = null;
    var obj = storage.get(ret[0]);
    channel.message("Parsing json: " + obj);
    obj = JSON.parse(obj);
    var topLevelObj = obj;
    while (!arg.isEmpty() && !arg.startsWith("=")) {
        lastObj = obj;
        ret = parseName(arg);
        arg = ret[1];
        name = ret[0];
        if (obj == null)
            obj = {};
        obj = obj[name];
        if (obj == null)
            obj = {};
    }
    if (arg.startsWith("="))
        arg = arg.substring(1);
    arg = skipWhitespace(arg);
    if (name == null) {
        storage.set(ret[0], arg);
    } else {
        channel.message("Parsing json: " + arg);
        lastObj[name] = JSON.parse(arg);
        storage.set(ret[0], JSON.stringify(topLevelObj));
    }
    channel.message("Data successfully stored");
}

function deleteData(arg) {
    var ret = parseName(arg);
    arg = ret[1];
    if (arg.isEmpty()) {
        storage.delete(ret[0]);
    } else {
        var obj = storage.get(ret[0]);
        obj = JSON.parse(obj);
        var topLevelObj = obj;
        var name = null;
        var lastObj;
        while (!arg.isEmpty()) {
            lastObj = obj;
            ret = parseName(arg);
            arg = ret[1];
            name = ret[0];
            obj = obj[name];
            if (obj == null) {
                channel.message("Data not found, noob");
                return;
            }
        }
        if (name == null) {
            storage.delete(ret[0]);
        } else {
            delete lastObj[name];
            storage.set(ret[0], JSON.stringify(topLevelObj));
        }
    }
    channel.message("Data deleted");
}

function parseName(arg) {
    arg = skipWhitespace(arg);
    if (arg.startsWith("\"")) {
        var escaped = false;
        var name = "";
        arg = arg.substring(1);
        while (!arg.isEmpty()) {
            var c = arg.charAt(0);
            arg = arg.substring(1);
            if (c == "\\") {
                if (!escaped) {
                    escaped = true;
                } else {
                    escaped = false;
                    name += "\\";
                }
            } else {
                if (c == "\"" && !escaped)
                    break;
                name += c;
                escaped = false;
            }
        }
        arg = skipWhitespace(arg);
        if (arg.startsWith("."))
            arg = arg.substring(1);
        arg = skipWhitespace(arg);
        return [name, arg];
    } else {
        var name = "";
        while (/\w.+/.test(arg)) {
            name += arg.charAt(0);
            arg = arg.substring(1);
        }
        arg = skipWhitespace(arg);
        if (arg.startsWith("."))
            arg = arg.substring(1);
        arg = skipWhitespace(arg);
        return [name, arg];
    }
}
function skipWhitespace(arg) {
    while (/\s.+/.test(arg))
        arg = arg.substring(1);
    return arg;
}

var arg = message.getContent();
if (arg.startsWith("//storage "))
    arg = arg.substring(10);
if (arg.startsWith("get ")) {
    getData(arg.substring(4));
} else if (arg.startsWith("set ")) {
    setData(arg.substring(4));
} else if (arg.startsWith("delete ")) {
    deleteData(arg.substring(7));
} else {
    channel.message("```\nUsage:\n//storage get path.to.data\n//storage set path.to.data=newValue\n//storage delete path.to.data\n```");
}