Template:Shanghaitech/Javascript/jquery.cookie

/*!

* jQuery Cookie Plugin v1.4.0
* https://github.com/carhartl/jquery-cookie
*
* Copyright 2013 Klaus Hartl
* Released under the MIT license
*/

(function (factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as anonymous module. define(['jquery'], factory); } else { // Browser globals. factory(jQuery); } }(function ($) {

var pluses = /\+/g;

function encode(s) { return config.raw ? s : encodeURIComponent(s); }

function decode(s) { return config.raw ? s : decodeURIComponent(s); }

function stringifyCookieValue(value) { return encode(config.json ? JSON.stringify(value) : String(value)); }

function parseCookieValue(s) { if (s.indexOf('"') === 0) { // This is a quoted cookie as according to RFC2068, unescape... s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\'); }

try { // Replace server-side written pluses with spaces. // If we can't decode the cookie, ignore it, it's unusable. s = decodeURIComponent(s.replace(pluses, ' ')); } catch(e) { return; }

try { // If we can't parse the cookie, ignore it, it's unusable. return config.json ? JSON.parse(s) : s; } catch(e) {} }

function read(s, converter) { var value = config.raw ? s : parseCookieValue(s); return $.isFunction(converter) ? converter(value) : value; }

var config = $.cookie = function (key, value, options) {

// Write if (value !== undefined && !$.isFunction(value)) { options = $.extend({}, config.defaults, options);

if (typeof options.expires === 'number') { var days = options.expires, t = options.expires = new Date(); t.setDate(t.getDate() + days); }

return (document.cookie = [ encode(key), '=', stringifyCookieValue(value), options.expires ? '; expires=' + options.expires.toUTCString() : , // use expires attribute, max-age is not supported by IE options.path  ? '; path=' + options.path : , options.domain  ? '; domain=' + options.domain : , options.secure  ? '; secure' : ].join()); }

// Read

var result = key ? undefined : {};

// To prevent the for loop in the first place assign an empty array // in case there are no cookies at all. Also prevents odd result when // calling $.cookie(). var cookies = document.cookie ? document.cookie.split('; ') : [];

for (var i = 0, l = cookies.length; i < l; i++) { var parts = cookies[i].split('='); var name = decode(parts.shift()); var cookie = parts.join('=');

if (key && key === name) { // If second argument (value) is a function it's a converter... result = read(cookie, value); break; }

// Prevent storing a cookie that we couldn't decode. if (!key && (cookie = read(cookie)) !== undefined) { result[name] = cookie; } }

return result; };

config.defaults = {};

$.removeCookie = function (key, options) { if ($.cookie(key) === undefined) { return false; }

// Must not alter options, thus extending a fresh object... $.cookie(key, , $.extend({}, options, { expires: -1 })); return !$.cookie(key); };

}));