[678] | 1 | /*jslint browser: true */ /*global jQuery: true */ |
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| 2 | |
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| 3 | /** |
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| 4 | * jQuery Cookie plugin |
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| 5 | * |
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| 6 | * Copyright (c) 2010 Klaus Hartl (stilbuero.de) |
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| 7 | * Dual licensed under the MIT and GPL licenses: |
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| 8 | * http://www.opensource.org/licenses/mit-license.php |
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| 9 | * http://www.gnu.org/licenses/gpl.html |
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| 10 | * |
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| 11 | */ |
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| 12 | |
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| 13 | // TODO JsDoc |
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| 14 | |
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| 15 | /** |
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| 16 | * Create a cookie with the given key and value and other optional parameters. |
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| 17 | * |
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| 18 | * @example $.cookie('the_cookie', 'the_value'); |
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| 19 | * @desc Set the value of a cookie. |
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| 20 | * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true }); |
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| 21 | * @desc Create a cookie with all available options. |
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| 22 | * @example $.cookie('the_cookie', 'the_value'); |
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| 23 | * @desc Create a session cookie. |
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| 24 | * @example $.cookie('the_cookie', null); |
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| 25 | * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain |
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| 26 | * used when the cookie was set. |
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| 27 | * |
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| 28 | * @param String key The key of the cookie. |
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| 29 | * @param String value The value of the cookie. |
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| 30 | * @param Object options An object literal containing key/value pairs to provide optional cookie attributes. |
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| 31 | * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object. |
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| 32 | * If a negative value is specified (e.g. a date in the past), the cookie will be deleted. |
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| 33 | * If set to null or omitted, the cookie will be a session cookie and will not be retained |
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| 34 | * when the the browser exits. |
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| 35 | * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie). |
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| 36 | * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie). |
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| 37 | * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will |
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| 38 | * require a secure protocol (like HTTPS). |
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| 39 | * @type undefined |
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| 40 | * |
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| 41 | * @name $.cookie |
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| 42 | * @cat Plugins/Cookie |
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| 43 | * @author Klaus Hartl/klaus.hartl@stilbuero.de |
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| 44 | */ |
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| 45 | |
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| 46 | /** |
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| 47 | * Get the value of a cookie with the given key. |
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| 48 | * |
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| 49 | * @example $.cookie('the_cookie'); |
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| 50 | * @desc Get the value of a cookie. |
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| 51 | * |
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| 52 | * @param String key The key of the cookie. |
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| 53 | * @return The value of the cookie. |
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| 54 | * @type String |
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| 55 | * |
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| 56 | * @name $.cookie |
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| 57 | * @cat Plugins/Cookie |
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| 58 | * @author Klaus Hartl/klaus.hartl@stilbuero.de |
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| 59 | */ |
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| 60 | jQuery.cookie = function (key, value, options) { |
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| 61 | |
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| 62 | // key and value given, set cookie... |
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| 63 | if (arguments.length > 1 && (value === null || typeof value !== "object")) { |
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| 64 | options = jQuery.extend({}, options); |
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| 65 | |
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| 66 | if (value === null) { |
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| 67 | options.expires = -1; |
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| 68 | } |
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| 69 | |
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| 70 | if (typeof options.expires === 'number') { |
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| 71 | var days = options.expires, t = options.expires = new Date(); |
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| 72 | t.setDate(t.getDate() + days); |
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| 73 | } |
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| 74 | |
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| 75 | return (document.cookie = [ |
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| 76 | encodeURIComponent(key), '=', |
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| 77 | options.raw ? String(value) : encodeURIComponent(String(value)), |
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| 78 | options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE |
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| 79 | options.path ? '; path=' + options.path : '', |
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| 80 | options.domain ? '; domain=' + options.domain : '', |
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| 81 | options.secure ? '; secure' : '' |
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| 82 | ].join('')); |
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| 83 | } |
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| 84 | |
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| 85 | // key and possibly options given, get cookie... |
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| 86 | options = value || {}; |
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| 87 | var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent; |
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| 88 | return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null; |
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| 89 | }; |
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