118 lines
3 KiB
JavaScript
118 lines
3 KiB
JavaScript
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/*!
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* jQuery Cookie Plugin v1.4.0
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* https://github.com/carhartl/jquery-cookie
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*
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* Copyright 2013 Klaus Hartl
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* Released under the MIT license
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*/
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(function (factory) {
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as anonymous module.
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define(['jquery'], factory);
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} else {
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// Browser globals.
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factory(jQuery);
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}
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}(function ($) {
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var pluses = /\+/g;
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function encode(s) {
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return config.raw ? s : encodeURIComponent(s);
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}
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function decode(s) {
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return config.raw ? s : decodeURIComponent(s);
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}
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function stringifyCookieValue(value) {
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return encode(config.json ? JSON.stringify(value) : String(value));
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}
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function parseCookieValue(s) {
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if (s.indexOf('"') === 0) {
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// This is a quoted cookie as according to RFC2068, unescape...
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s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
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}
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try {
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// Replace server-side written pluses with spaces.
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// If we can't decode the cookie, ignore it, it's unusable.
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s = decodeURIComponent(s.replace(pluses, ' '));
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} catch(e) {
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return;
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}
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try {
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// If we can't parse the cookie, ignore it, it's unusable.
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return config.json ? JSON.parse(s) : s;
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} catch(e) {}
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}
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function read(s, converter) {
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var value = config.raw ? s : parseCookieValue(s);
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return $.isFunction(converter) ? converter(value) : value;
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}
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var config = $.cookie = function (key, value, options) {
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// Write
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if (value !== undefined && !$.isFunction(value)) {
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options = $.extend({}, config.defaults, options);
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if (typeof options.expires === 'number') {
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var days = options.expires, t = options.expires = new Date();
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t.setDate(t.getDate() + days);
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}
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return (document.cookie = [
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encode(key), '=', stringifyCookieValue(value),
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options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
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options.path ? '; path=' + options.path : '',
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options.domain ? '; domain=' + options.domain : '',
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options.secure ? '; secure' : ''
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].join(''));
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}
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// Read
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var result = key ? undefined : {};
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// To prevent the for loop in the first place assign an empty array
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// in case there are no cookies at all. Also prevents odd result when
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// calling $.cookie().
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var cookies = document.cookie ? document.cookie.split('; ') : [];
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for (var i = 0, l = cookies.length; i < l; i++) {
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var parts = cookies[i].split('=');
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var name = decode(parts.shift());
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var cookie = parts.join('=');
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if (key && key === name) {
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// If second argument (value) is a function it's a converter...
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result = read(cookie, value);
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break;
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}
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// Prevent storing a cookie that we couldn't decode.
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if (!key && (cookie = read(cookie)) !== undefined) {
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result[name] = cookie;
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}
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}
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return result;
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};
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config.defaults = {};
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$.removeCookie = function (key, options) {
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if ($.cookie(key) !== undefined) {
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// Must not alter options, thus extending a fresh object...
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$.cookie(key, '', $.extend({}, options, { expires: -1 }));
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return true;
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}
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return false;
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};
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}));
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