jquery.cookie

jquery.cookie_v3.js | 2.9 KB | Satir: 0 | js Geri

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.setMilliseconds(t.getMilliseconds() + 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().
			cookies = document.cookie ? document.cookie.split('; ') : [],
			i = 0,
			l = cookies.length;

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

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

}));

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