/*
* Metadata - jQuery plugin for parsing metadata from elements
*
* Copyright (c) 2006 John Resig, Yehuda Katz, J�örn Zaefferer, Paul McLanahan
*
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
*
* Revision: $Id: jquery.metadata.js 3640 2007-10-11 18:34:38Z pmclanahan $
*
*/
(function($) { $.extend({ metadata: { defaults: { type: "class", name: "metadata", cre: /({.*})/, single: "metadata" }, setType: function(type, name) { this.defaults.type = type; this.defaults.name = name }, get: function(elem, opts) { var settings = $.extend({}, this.defaults, opts); if (!settings.single.length) { settings.single = "metadata" } var data = $.data(elem, settings.single); if (data) { return data } data = "{}"; var getData = function(data) { if (typeof data != "string") { return data } if (data.indexOf("{") < 0) { data = eval("(" + data + ")") } }; var getObject = function(data) { if (typeof data != "string") { return data } data = eval("(" + data + ")"); return data }; if (settings.type == "html5") { var object = {}; $(elem.attributes).each(function() { var name = this.nodeName; if (name.match(/^data-/)) { name = name.replace(/^data-/, "") } else { return true } object[name] = getObject(this.nodeValue) }) } else { if (settings.type == "class") { var m = settings.cre.exec(elem.className); if (m) { data = m[1] } } else { if (settings.type == "elem") { if (!elem.getElementsByTagName) { return } var e = elem.getElementsByTagName(settings.name); if (e.length) { data = $.trim(e[0].innerHTML) } } else { if (elem.getAttribute != undefined) { var attr = elem.getAttribute(settings.name); if (attr) { data = attr } } } } object = getObject(data.indexOf("{") < 0 ? "{" + data + "}" : data) } $.data(elem, settings.single, object); return object } } }); $.fn.metadata = function(opts) { return $.metadata.get(this[0], opts) } })(jQuery);