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@@ -0,0 +1,110 @@
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+using System;
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+using System.Xml;
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+
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+namespace XmlCompare
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+{
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+ /// <summary>
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+ /// Summary description for XmlCompare.
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+ /// </summary>
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+ public class XmlCompare
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+ {
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+ [Flags]
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+ public enum Flags {
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+ IgnoreNone=0,
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+ IgnoreAttribOrder=1,
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+ }
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+ Flags flags;
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+ public XmlCompare (Flags flags)
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+ {
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+ this.flags = flags;
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+ }
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+
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+ public XmlCompare ()
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+ :this (Flags.IgnoreNone)
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+ {
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+ }
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+
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+ public bool AreEqualAttribs (XmlAttributeCollection attrs1, XmlAttributeCollection attrs2)
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+ {
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+ if (attrs1.Count != attrs2.Count)
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+ return false;
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+ for (int i=0; i<attrs1.Count; i++) {
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+ if ((flags & Flags.IgnoreAttribOrder) != 0) {
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+ string ln = attrs1[i].LocalName;
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+ string ns = attrs1[i].NamespaceURI;
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+ string val = attrs1[i].Value;
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+ XmlAttribute atr2 = attrs2[ln, ns];
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+ if (atr2 == null || atr2.Value != val)
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+ return false;
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+ } else {
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+ if (attrs1 [i].LocalName != attrs2 [i].LocalName)
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+ return false;
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+ if (attrs1 [i].NamespaceURI != attrs2 [i].NamespaceURI)
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+ return false;
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+ if (attrs1 [i].Value != attrs2 [i].Value)
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+ return false;
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+ }
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+ }
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+ return true;
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+ }
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+
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+ public bool AreEqualNodeList (XmlNodeList lst1, XmlNodeList lst2)
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+ {
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+ if (lst1.Count != lst2.Count)
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+ return false;
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+ for (int i=0; i<lst1.Count; i++) {
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+ if (!AreEqual (lst1[i], lst2[i]))
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+ return false;
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+ }
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+ return true;
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+ }
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+
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+ public bool AreEqual (XmlNode node1, XmlNode node2)
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+ {
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+ if (node1.NodeType != node2.NodeType)
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+ return false;
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+ if (node1.LocalName != node2.LocalName)
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+ return false;
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+ if (node1.NamespaceURI != node2.NamespaceURI)
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+ return false;
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+ if (node1.Attributes != null && node2.Attributes != null) {
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+ if (!AreEqualAttribs (node1.Attributes, node2.Attributes))
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+ return false;
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+ }
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+ else //one of nodes has no attrs
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+ if (node1.Attributes != null || node2.Attributes != null)
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+ return false;//and another has some
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+ if (!node1.HasChildNodes && !node2.HasChildNodes)
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+ return node1.Value == node2.Value;
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+ else {//one of nodes has some children
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+ if (!node1.HasChildNodes || !node2.HasChildNodes)
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+ return false;//and another has none
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+ return AreEqualNodeList (node1.ChildNodes, node2.ChildNodes);
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+ }
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+ }
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+
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+ static void Main ()
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+ {
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+ XmlDocument doc1 = new XmlDocument ();
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+ XmlDocument doc2 = new XmlDocument ();
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+ XmlDocument doc3 = new XmlDocument ();
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+ XmlDocument doc4 = new XmlDocument ();
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+
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+ doc1.LoadXml (@"<?xml version=""1.0""?>
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+<doc>
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+ <element attr1=""1"" attr2=""2"" />
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+</doc>");
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+ doc2.LoadXml (@"<?xml version=""1.0""?><doc><element attr1=""1"" attr2=""2""/></doc>");
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+ doc3.LoadXml (@"<?xml version=""1.0""?><doc><element attr2=""2"" attr1=""1""/></doc>");
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+ doc4.LoadXml (@"<?xml version=""1.0""?><doc><element attr3=""3"" attr2=""2""/></doc>");
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+
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+ XmlCompare cmp1 = new XmlCompare();
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+ XmlCompare cmp2 = new XmlCompare(Flags.IgnoreAttribOrder);
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+
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+ Console.Out.WriteLine (cmp1.AreEqual (doc1, doc2).ToString ());
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+ Console.Out.WriteLine (cmp1.AreEqual (doc1, doc3).ToString ());
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+ Console.Out.WriteLine (cmp2.AreEqual (doc1, doc3).ToString ());
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+ Console.Out.WriteLine (cmp2.AreEqual (doc1, doc4).ToString ());
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+ }
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+ }
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+}
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Andrew Skiba