jquery.deserialize.js

/**
 * jQuery Deserialize plugin
 * @author: Amit Gupta
 *
 * Forked from: http://github.com/jakubpawlowicz/jquery.deserialize
 * Forked from: https://github.com/dejw/jquery.deserialize
 **/

/* Builtin Array class extension, which converts itself to map */
Array.prototype.toHash = function() {
    var map = {};

    for (var i = 0; i < this.length; i++) {
        map[this[i]] = '';
    }

    return map;
};

$.fn.deserialize = function(s, options) {
    options = options || {};
    attr = options.attribute || "name";

    if (options.only && options.except) {
        throw "You cannot pass both 'only' and 'except' options";
    }

    var names = (options.except || []).toHash();
    var except = true;
    if (options.only) {
        names = options.only.toHash();
        except = false;
    }

    callback = options.callback;
    callback_on = options.callback_on || false;
    if (callback_on) {
        callback_on = callback_on.toHash();
    }

    var blankToPlus = options.blankToPlus === undefined ? true : options.blankToPlus;

    if (blankToPlus) {
        s = s.replace(/\+/, "%20");
    }

    var data = s.split("&");

    for (var i = 0; i < data.length; i++) {
        var pair = decodeURIComponent(data[i]).split("=");
        var _name = pair[0];
        var value = pair[1];
        if (except != _name in names) {
            $("[" + attr + "='" + _name + "']", this).val(value);
            if (callback && ((!callback_on) || (_name in callback_on))) {
                callback(_name, value);
            }
        }
    }
}