Sort versions in documentation list in reverse order (newest first).

Author: joto

js/osmcode.js

@@ -1,9 +1,29 @@
 
+function compare_version(a, b) {
+    var i, cmp, len, re = /(\.0)+[^\.]*$/;
+    a = (a + '').replace(re, '').split('.');
+    b = (b + '').replace(re, '').split('.');
+    len = Math.min(a.length, b.length);
+    for( i = 0; i < len; i++ ) {
+        cmp = parseInt(b[i], 10) - parseInt(a[i], 10);
+        if( cmp !== 0 ) {
+            return cmp;
+        }
+    }
+    return b.length - a.length;
+}
+
 function update_doc_refs(project) {
+    var re = /[^0-9.]/g;
     var url = 'http://docs.osmcode.org/' + project + '/',
         ul = $('#source-code-reference');
     $.get(url, function(data) {
         var links = $($.parseHTML(data)).find('li').has('a[href^="v"]');
+        links.sort(function(a, b) {
+            var va = $(a).children().text().replace(re, '');
+            var vb = $(b).children().text().replace(re, '');
+            return compare_version(va, vb);
+        });
         links.each(function() {
             var l = $(this).find('a');
             l.attr('href', url + l.attr('href'));