source: inc/js/jquery/1.11.3/jquery.cookie.js @ 3027:6eb6b9daf703

/*!
 * jQuery Cookie Plugin v1.4.1
 * https://github.com/carhartl/jquery-cookie
 *
 * Copyright 2006, 2014 Klaus Hartl
 * Released under the MIT license
 */
(function (factory) {
     if (typeof define === 'function' && define.amd) {
          // AMD
          define(['jquery'], factory);
     } else if (typeof exports === 'object') {
          // CommonJS
          factory(require('jquery'));
     } 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.
               // If we can't parse the cookie, ignore it, it's unusable.
               s = decodeURIComponent(s.replace(pluses, ' '));
               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 (arguments.length > 1 && !$.isFunction(value)) {
               options = $.extend({}, config.defaults, options);

               if (typeof options.expires === 'number') {
                    var days = options.expires, t = options.expires = new Date();
                    t.setTime(+t + days * 864e+5);
               }

               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);
     };

}));