rhymix/addons/autolink/autolink.js

(function($){
	var url_regex = /((http|https|ftp|news|telnet|irc):\/\/(([0-9a-z\-._~!$&'\(\)*+,;=:]|(%[0-9a-f]{2}))*\@)?((\[(((([0-9a-f]{1,4}:){6}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|(::([0-9a-f]{1,4}:){5}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|(([0-9a-f]{1,4})?::([0-9a-f]{1,4}:){4}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:)?[0-9a-f]{1,4})?::([0-9a-f]{1,4}:){3}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::([0-9a-f]{1,4}:){2}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4})|((([0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::))|(v[0-9a-f]+.[0-9a-z\-._~!$&'\(\)*+,;=:]+))\])|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5]))|(([0-9a-z\-._~!$&'\(\)*+,;=]|(%[0-9a-f]{2}))+))(:[0-9]*)?(\/([0-9a-z\-._~!$&'\(\)*+,;=:@]|(%[0-9a-f]{2}))*)*(\?([0-9a-z\-._~!$&'\(\)*+,;=:@\/\?]|(%[0-9a-f]{2}))*)?(#([0-9a-z\-._~!$&'\(\)*+,;=:@\/\?]|(%[0-9a-f]{2}))*)?)/i;

	var AutoLink = xe.createPlugin("autolink", {
		targets : [],
		init : function() {
			this.targets = [];
		},
		API_ONREADY : function() {
			var thisPlugin = this;

			// extract target text nodes
			this.extractTargets($('.xe_content'));

			$(this.targets).each(function(){
				thisPlugin.cast('AUTOLINK', [this]);
			});
		},
		API_AUTOLINK : function(oSender, params) {
			var textNode = params[0];
			var content  = textNode.nodeValue;
			var dummy    = $('<span>');

			content = content.replace(/</g, '&lt;').replace(/>/g, '&gt;');
			content = content.replace(url_regex, '<a href="$1" target="_blank">$1</a>');

			$(textNode).before(dummy);
			$(textNode).replaceWith(content);
			params[0] = dummy.next('a');
			dummy.remove();
		},
		extractTargets : function(obj) {
			var thisPlugin = this;

			$(obj)
			.contents()
			.each(function(){
				if (!$(this).is('a,pre,xml,code,script,style,:input')) {
					if (this.nodeType == 3 && url_regex.test(this.nodeValue)) { // text node
						thisPlugin.targets.push(this);
					} else {
						thisPlugin.extractTargets(this);
					}
				}
			});
		}
	});

	xe.registerPlugin(new AutoLink());
})(jQuery);