smartxml: really minor refactoring

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 8039916..1e3ae44 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -162,10 +162,14 @@ $.extend(DocumentNode.prototype, {
     },
 
     getIndex: function() {
+        var parent;
+
         if(this.isRoot()) {
             return 0;
         }
-        return this.parent().indexOf(this);
+
+        parent = this.parent();
+        return parent ? parent.indexOf(this) : undefined;
     },
 
     getNearestElementNode: function() {
@@ -295,7 +299,7 @@ $.extend(TextNode.prototype, {
 
 var parseXML = function(xml) {
     var toret = $($.trim(xml));
-    if(!toret.length) {
+    if(toret.length !== 1) {
         throw new Error('Unable to parse XML: ' + xml);
     }
     return toret[0];
@@ -574,7 +578,6 @@ $.extend(Document.prototype, Backbone.Events, fragments, {
 
             if(transformations.length > 1) {
                 // In case of real transactions we don't want to run undo on all of transformations if we don't have to.
-                stopAt = undefined;
                 transformations.some(function(t, idx) {
                     if(!t.undo && t.getChangeRoot().sameNode(doc.root)) {
                         stopAt = idx;