CSS class/id/object style extractor

// Style sheet getter
// Returns style as object usage:
// var classNameColor = $.cssStyle(".className").color;
 
;(function ($) {
 
    $.cssStyle = function (selector) {
        var sels = selector.match(/(^|\#|\.|\s)[\w|-]+/g),
            ret = {},
            style, sel, i;
        $.each(
        document.styleSheets, function () {
            var rules = this.cssRules || this.rules;
            $.each(rules, function (n, v) {
                for (i in sels) {
                    sel = new RegExp("(?:^|\\s)(" + sels[i].replace(/^\s+/, "") + ")(?=,|$)");
                    if (v.selectorText && sel.test(v.selectorText)) {
                        $.extend(ret, $.map.str(v.style.cssText));
                    }
                }
            });
        });
        return ret;
    }
})(jQuery);
 
// a little string mapper (string to object)
;(function ($) {
    $.map.str = function (s, objDev, keyDev) {
        objDev = objDev || ";", keyDev = keyDev || ":";
        if (s.indexOf(keyDev) === -1) return s;
        var d = s.split(objDev);
        var r = {};
        var key, val;
        for(par in d) {
            val = d[par].split(keyDev);
            key = $.trim(val.splice(0, 1).join());
            val = $.trim(val.join(keyDev));
            if (val.length > 1) {
                r[$.camelCase(key)] = val;
            }            
        }
        return r;
    }
})(jQuery);
 
// CamelCase object keys (ripped from jQuery since it seems to come and go in core)
;(function ($) {
    if ( !$.isFunction($.camelCase) ) {
        $.camelCase = function (string) {
            return string.replace(/-([a-z])/ig, function (all, letter) {
                return letter.toUpperCase();
            });
        }
    }
})(jQuery);