Update to run in a function, lots of doc additions

- Updated readable to run from one function, so returns work nicely
  now, and things are generally cleaner.
- Added a readme
- Added a doap rdf file
- Added webpage generation to the makefile

1 files changed, 56 insertions, 54 deletions

diff --git a/readable.js b/readable.js
index 3d31c4f..1446240 100755
--- a/readable.js
+++ b/readable.js
@@ -5,63 +5,65 @@
  *
  */
 
-/* NOTE: if you're using this code in another function, move this
- * line out of it, into the global scope */
 if(original === undefined) var original = false;
 
-/* count the number of <p> tags that are direct children of parenttag */
-function count_p(parenttag)
+function readable()
 {
-	var n = 0;
-	var c = parenttag.childNodes;
-	for (var i = 0; i < c.length; i++) {
-		if (c[i].tagName == "p" || c[i].tagName == "P")
-			n++;
+	/* count the number of <p> tags that are direct children of parenttag */
+	function count_p(parenttag)
+	{
+		var n = 0;
+		var c = parenttag.childNodes;
+		for (var i = 0; i < c.length; i++) {
+			if (c[i].tagName == "p" || c[i].tagName == "P")
+				n++;
+		}
+		return n;
 	}
-	return n;
-}
-
-/* if original is set, then the readable version is currently active,
- * so switch to the original html */
-if (original) {
-	document.body.innerHTML = original;
-	for (var i = 0; i < document.styleSheets.length; i++)
-		document.styleSheets[i].disabled = false;
-	original = false
-	return 0;
-}
-
-original = document.body.innerHTML;
-
-var biggest_num = 0;
-var biggest_tag;
-
-/* search for tag with most direct children <p> tags */
-var t = document.getElementsByTagName("*");
-for (var i = 0; i < t.length; i++) {
-	var p_num = count_p(t[i]);
-	if (p_num > biggest_num) {
-		biggest_num = p_num;
-		biggest_tag = t[i];
+	
+	/* if original is set, then the readable version is currently active,
+	 * so switch to the original html */
+	if (original) {
+		document.body.innerHTML = original;
+		for (var i = 0; i < document.styleSheets.length; i++)
+			document.styleSheets[i].disabled = false;
+		original = false
+		return 0;
 	}
+	
+	original = document.body.innerHTML;
+	
+	var biggest_num = 0;
+	var biggest_tag;
+	
+	/* search for tag with most direct children <p> tags */
+	var t = document.getElementsByTagName("*");
+	for (var i = 0; i < t.length; i++) {
+		var p_num = count_p(t[i]);
+		if (p_num > biggest_num) {
+			biggest_num = p_num;
+			biggest_tag = t[i];
+		}
+	}
+	
+	if (biggest_num == 0) {
+		alert("Can't find any content");
+		return 1;
+	}
+	
+	/* save and sanitise content of chosen tag */
+	var fresh = document.createElement("div");
+	fresh.innerHTML = biggest_tag.innerHTML;
+	fresh.innerHTML = fresh.innerHTML.replace(/<\/?font[^>]*>/g, "");
+	fresh.innerHTML = fresh.innerHTML.replace(/style="[^"]*"/g, "");
+	fresh.innerHTML = fresh.innerHTML.replace(/<\/?a[^>]*>/g, "");
+	
+	for (var i = 0; i < document.styleSheets.length; i++)
+		document.styleSheets[i].disabled = true;
+	
+	document.body.innerHTML =
+		"<div style=\"width: 38em; margin: auto; text-align: justify;\">" +
+		"<h1 style=\"text-align: center\">" + document.title + "</h1>" +
+		fresh.innerHTML + "</div>";
 }
-
-if (biggest_num == 0) {
-	alert("Can't find any content");
-	return 1;
-}
-
-/* save and sanitise content of chosen tag */
-var fresh = document.createElement("div");
-fresh.innerHTML = biggest_tag.innerHTML;
-fresh.innerHTML = fresh.innerHTML.replace(/<\/?font[^>]*>/g, "");
-fresh.innerHTML = fresh.innerHTML.replace(/style="[^"]*"/g, "");
-fresh.innerHTML = fresh.innerHTML.replace(/<\/?a[^>]*>/g, "");
-
-for (var i = 0; i < document.styleSheets.length; i++)
-	document.styleSheets[i].disabled = true;
-
-document.body.innerHTML =
-	"<div style=\"width: 38em; margin: auto; text-align: justify;\">" +
-	"<h1 style=\"text-align: center\">" + document.title + "</h1>" +
-	fresh.innerHTML + "</div>";
+readable()