linkIps

By louis — Last update Jan 11, 2007 — Installed 266 times.
// ==UserScript==
// @name          linkIps
// @description   Turn text IPs in clickable links
// @include       *
// ==/UserScript==


var nodesWithUris = new Array();
var uriRe = /\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/g;

function main()
{
	addCSS();
	makeLinks(document.documentElement);
}

function makeLinks(baseNode)
{
	getNodesWithUris(baseNode);

	for (var i in nodesWithUris)
	{
		var nodes = new Array(nodesWithUris[i]);	// We're going to add more nodes as we find/make them
		while (nodes.length > 0)
		{
			var node = nodes.shift();
			var uriMatches = node.nodeValue.match(uriRe);	// array of matches
			if (uriMatches == null) continue;
			var firstMatch = uriMatches[0].toLowerCase();
			var pos = node.nodeValue.toLowerCase().indexOf(firstMatch);

			if (pos == -1) continue;	// shouldn't happen, but you should always have safe regex
			else if (pos == 0)	// if starts with URI
			{
				if (node.nodeValue.length > firstMatch.length)
				{
					node.splitText(firstMatch.length);
					nodes.push(node.nextSibling);
				}

				var linky = document.createElement("a");
				linky.className = "linkified_ip";
				linky.href = 'http://www.dnsstuff.com/tools/ptr.ch?ip='+node.nodeValue;
				node.parentNode.insertBefore(linky, node);
				linky.appendChild(node);
			}
			else	// if URI is in the text, but not at the beginning
			{
				node.splitText(pos);
				nodes.unshift(node.nextSibling);
			}
		}
	}
}

function getNodesWithUris(node)
{
	if (node.nodeType == 3)
	{
		if (node.nodeValue.search(uriRe) != -1)
			nodesWithUris.push(node);
	}
	else if (node && node.nodeType == 1 && node.hasChildNodes() && !node.tagName.match(/^(a|head|object|embed|script|style|frameset|frame|iframe|textarea|input|button|select|option)$/i))
		for (var i in node.childNodes)
			getNodesWithUris(node.childNodes[i]);
}
function addCSS() {
	var head, style,css;
	head = document.getElementsByTagName('head')[0];
	if (!head) { return; }
	css='a.linkified_ip:hover { border: 2px solid #e08000; padding: 3px; -moz-border-radius: 5px;}';
	style = document.createElement('style');
	style.type = 'text/css';
	style.innerHTML = css;
	head.appendChild(style);
}

main();