Create Linkify Ting

Linkify Ting

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+// This script looks for any thing of the form
+// [something not blank][a dot][something not blank], 
+// then matches that which comes after the dot - and possibly before a slash - 
+// with a list of know extensions, such as com, us, net etc. 
+// If it has such an extension, it is turned into a link. 
+// This way the script attempts to catch links like
+// google.com and userscripts.org/tag/link.
+// Because the script looks up extensions in a list, 
+// you might want to alter the list (lovligeEndelser) to fit your needs. 
+//
+// The script is borrows a bit from the “Linkify Plus” script 
+// (especially the parent not a | head | etc -  thing). And therefore the following 
+//
+//- - - 
+//
+// Loosely based on the Linkify script located at:
+//   http://downloads.mozdev.org/greasemonkey/linkify.user.js
+//
+// Originally written by Anthony Lieuallen of http://www.arantius.com/
+// Licensed for unlimited modification and redistribution as long as
+// this notice is kept intact.
+//
+// If possible, please contact me regarding new features, bugfixes
+// or changes that I could integrate into the existing code instead of
+// creating a different script.  Thank you
+//
+//- - -
+//
+// for my sake you may do what you want with the script, 
+// but you should keep the notice by Anthony Lieuallen
+//
+// adam
+//
+// ==UserScript==
+// @name          Linkify ting
+// @namespace     http://ergosum.frac.dk/user/
+// @description   Turn plain text links into real clikable links. Attempts to catch links like google.com
+// @include       *
+// @exclude       http://*.google.*/*
+// ==/UserScript==
+try{
+//dk|com|net|org|se|no|nl|us|uk|de|it|nu|edu|info
+
+var regex = /\b(http:\/\/|shttp:\/\/){0,1}(\w(\w|-)+\.)+(dk|com|net|org|se|no|nl|us|uk|de|it|nu|edu|info)(\/\w*)*(\.\w{2,4}){0,1}(\?\w*|#\w*|&\w*)*\b/gi;
+
+var altText, tekst, muligtLink;
+
+var ikkeTilladteTags = ['a', 'head', 'script', 'style', 'textarea', 'title', 'option', 'pre', 'code'];//tags, hvor det der står inden i ikke skal være links
+var path = "//text()[not(parent::" + ikkeTilladteTags.join(" or parent::") +")]";
+
+altText = document.evaluate(path, document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
+
+for(var i=0;i<altText.snapshotLength;i++){
+
+	tekst = altText.snapshotItem(i);
+	muligtLink = tekst.nodeValue;
+
+	if(regex.test(muligtLink)){
+
+		//til at holde det nye link, og teksten omkring det
+		var span = document.createElement('span');
+		//tekst.parentNode.replaceChild(span, tekst);
+		//alert("parent:" + span.parentNode);
+
+		var lastLastIndex = 0;
+		regex.lastIndex = 0;
+		for(myArray = null; myArray = regex.exec(muligtLink); ){
+			//vores match gemmes
+			var link = myArray[0];
+
+			//alert("har fundet dette link: " + link);
+
+			span.appendChild(document.createTextNode(muligtLink.substring(lastLastIndex, myArray.index))); //indsæt det der kommer før dette hit
+
+			var href = link;
+
+			//sætter http:// foran href, hvis der ikke er det
+			var prefix = '';
+			if(href.length > 7){
+				prefix = href.substring(0,7);
+			}
+			if(prefix.toLowerCase() != 'http://'){
+				href = 'http://' + href;
+			}
+
+			//skab vores link:
+			var a = document.createElement('a');
+			a.setAttribute('href', href); //giv det en href
+			a.appendChild(document.createTextNode(link)); //linkteksten
+			span.appendChild(a); //sætter ind i span
+
+			lastLastIndex = regex.lastIndex;
+
+		}
+
+		span.appendChild(document.createTextNode(muligtLink.substring(lastLastIndex))); //insæt det der kommer efter sidste hit
+		tekst.parentNode.replaceChild(span, tekst);
+
+	}
+
+
+}
+} catch(e){alert(e);}