The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/xslt/tests/buster/DiffDOM.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,103 @@
     1.4 +/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +// ----------------------
    1.10 +// DiffDOM(node1,node2)
    1.11 +// ----------------------
    1.12 +
    1.13 +var isHTML = false;
    1.14 +
    1.15 +function DiffDOM(node1, node2, aIsHTML)
    1.16 +{
    1.17 +  isHTML = aIsHTML;
    1.18 +  return DiffNodeAndChildren(node1, node2);
    1.19 +}
    1.20 +
    1.21 +
    1.22 +// namespace attributes in the second node are ignored
    1.23 +const nsreg = /^xmlns[|:\w]/;
    1.24 +
    1.25 +// This function does the work of DiffDOM by recursively calling
    1.26 +// itself to explore the tree
    1.27 +function DiffNodeAndChildren(node1, node2)
    1.28 +{
    1.29 +  if (!node1 && !node2)
    1.30 +    return true;
    1.31 +  if (!node1 || !node2)
    1.32 +    return ErrorUp("One of the nodes is null", node1, node2);
    1.33 +  if (node1.type!=node2.type)
    1.34 +    return ErrorUp("Different node types", node1, node2);
    1.35 +
    1.36 +  var attributes = node2.attributes;
    1.37 +  if (attributes && attributes.length) {
    1.38 +    var item, name, ns, value, otherValue;
    1.39 +    for (var index = 0; index < attributes.length; index++) {
    1.40 +      item = attributes.item(index);
    1.41 +      ns = item.namespaceURI;
    1.42 +      if (ns) {
    1.43 +        name = item.localName;
    1.44 +        otherValue = node2.getAttributeNS(ns, name);
    1.45 +      }
    1.46 +      else {
    1.47 +        name = item.nodeName;
    1.48 +        otherValue = node2.getAttribute(name);
    1.49 +      }
    1.50 +      value = item.nodeValue;
    1.51 +      if (!nsreg.test(name) && otherValue!=value) {
    1.52 +        return ErrorUp("Different values for attribute", node1, node2);
    1.53 +      }
    1.54 +    }
    1.55 +  }
    1.56 +  else if (node1.attributes && node1.attributes.length) {
    1.57 +    return ErrorUp("Different number of attributes", node1, node2);
    1.58 +  }
    1.59 +
    1.60 +  if (isHTML) {
    1.61 +    if (node1.nodeName.toLowerCase()!=node2.nodeName.toLowerCase())
    1.62 +      return ErrorUp("Different node names", node1, node2);
    1.63 +  }
    1.64 +  else {
    1.65 +    if (node1.nodeName!=node2.nodeName)
    1.66 +      return ErrorUp("Different node names", node1, node2);
    1.67 +  }
    1.68 +  if (node1.nodeValue!=node2.nodeValue)
    1.69 +    return ErrorUp("Different node values", node1, node2);
    1.70 +  if (!isHTML)
    1.71 +    if (node1.namespaceURI!=node2.namespaceURI)
    1.72 +      return ErrorUp("Different namespace", node1, node2);
    1.73 +  if (node1.hasChildNodes() != node2.hasChildNodes())
    1.74 +    return ErrorUp("Different children", node1, node2);
    1.75 +  if (node1.childNodes) {
    1.76 +    if (node1.childNodes.length != node2.childNodes.length)
    1.77 +      return ErrorUp("Different number of children", node1, node2);
    1.78 +    for (var child = 0; child < node1.childNodes.length; child++) {
    1.79 +      if (!DiffNodeAndChildren(node1.childNodes[child],
    1.80 +                               node2.childNodes[child])) {
    1.81 +        return false;
    1.82 +      }
    1.83 +    }
    1.84 +  }
    1.85 +  return true;
    1.86 +}
    1.87 +
    1.88 +function ErrorUp(errMsg, node1, node2)
    1.89 +{
    1.90 +  dump("Error: "+errMsg+"\n");
    1.91 +  if (node1) {
    1.92 +      dump("Node 1: "+node1+", ");
    1.93 +      if (node1.nodeType == Node.TEXT_NODE)
    1.94 +          dump("nodeValue: "+node1.nodeValue+"\n");
    1.95 +      else
    1.96 +          dump("nodeName: "+node1.namespaceURI+":"+node1.nodeName+"\n");
    1.97 +  }
    1.98 +  if (node2) {
    1.99 +      dump("Node 2: "+node2+", ");
   1.100 +      if (node2.nodeType == Node.TEXT_NODE)
   1.101 +          dump("nodeValue: "+node2.nodeValue+"\n");
   1.102 +      else
   1.103 +          dump("nodeName: "+node2.namespaceURI+":"+node2.nodeName+"\n");
   1.104 +  }
   1.105 +  return false;
   1.106 +}