protected static Dictionary <string, string[]> GetAttributes(IComparableNode left, IComparableNode right)
{
Dictionary <string, string[]> attributes = new Dictionary <string, string[]>();
ExtractAttributes(left, attributes, 0);
ExtractAttributes(right, attributes, 1);
return(attributes);
}
public ComparableXmlFile(string fileName)
{
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = true;
doc.Load(fileName);
rootNode = new RootNode(doc);
rootNode.AnalyzeChildren();
}
public override void AnalyzeChildren()
{
List <XmlNode> usefulChildren = BaseNode.UsefulChildren();
Children.Add(ComparableNodeFactory.AnalyzeNode(usefulChildren.First()));
foreach (XmlNode node in usefulChildren.Skip(1))
{
IComparableNode child = ComparableNodeFactory.AnalyzeNode(node);
child.Name = "ITEM";
Children.Add(child);
}
}
private static void ExtractAttributes(IComparableNode node, Dictionary <string, string[]> attributes, int position)
{
foreach (XmlAttribute attribute in node.BaseNode.Attributes)
{
if (!attributes.ContainsKey(attribute.Name))
{
attributes[attribute.Name] = new string[2];
}
attributes[attribute.Name][position] = attribute.Value;
}
}
public virtual List <StructuredFileDiff.Lib.Result.Line> RenderAfter(INode rightNode)
{
IComparableNode left = this;
IComparableNode right = rightNode as IComparableNode;
return(new List <StructuredFileDiff.Lib.Result.Line> {
new StructuredFileDiff.Lib.Result.Line
{
Left = "</" + left.BaseNode.Name + ">",
Right = "</" + right.BaseNode.Name + ">",
},
});
}
public static IComparableNode AnalyzeNode(XmlNode node)
{
foreach (IComparableNodeFactory factory in factories)
{
IComparableNode comparableNode = factory.TryCreate(node);
if (comparableNode == null)
{
continue;
}
comparableNode.AnalyzeChildren();
return(comparableNode);
}
throw new Exception("Cannot convert node to IComparableNode");
}
protected List <StructuredFileDiff.Lib.Result.Line> RenderDetailledBefore(IComparableNode right, Dictionary <string, string[]> attributes = null)
{
IComparableNode left = this;
List <StructuredFileDiff.Lib.Result.Line> lines = ExpendedElementDiffLines(left, right, attributes);
lines.Add(new StructuredFileDiff.Lib.Result.Line
{
Left = left.BaseNode.InnerText,
Right = right.BaseNode.InnerText,
});
lines.Add(new StructuredFileDiff.Lib.Result.Line
{
Left = "</" + left.Name + ">",
Right = "</" + right.Name + ">",
});
return(lines);
}
public override List <StructuredFileDiff.Lib.Result.Line> RenderBefore(INode rightNode)
{
IComparableNode left = this;
IComparableNode right = rightNode as IComparableNode;
List <StructuredFileDiff.Lib.Result.Line> lines = new List <StructuredFileDiff.Lib.Result.Line>();
if (left.Name != right.Name)
{
return(RenderDetailledBefore(right));
}
Dictionary <string, string[]> attributes = GetAttributes(left, right);
if (attributes.Any(x => x.Value.Any(y => y == null)))
{
return(RenderDetailledBefore(right, attributes));
}
string leftString = "<" + left.Name;
string rightString = "<" + right.Name;
foreach (string key in attributes.Keys.OrderBy(x => x))
{
leftString += " " + RenderAttribute(key, attributes[key][0]);
rightString = " " + RenderAttribute(key, attributes[key][1]);
}
leftString += ">" + left.BaseNode.InnerText;
rightString += ">" + right.BaseNode.InnerText;
leftString += "</" + left.Name + ">";
rightString += "</" + right.Name + ">";
return(new List <StructuredFileDiff.Lib.Result.Line> {
new StructuredFileDiff.Lib.Result.Line
{
Left = leftString,
Right = rightString,
}
});
}
protected static List <StructuredFileDiff.Lib.Result.Line> ExpendedElementDiffLines(IComparableNode left, IComparableNode right, Dictionary <string, string[]> attributes = null)
{
List <StructuredFileDiff.Lib.Result.Line> lines = new List <StructuredFileDiff.Lib.Result.Line>();
if (attributes == null)
{
attributes = GetAttributes(left, right);
}
lines.Add(new StructuredFileDiff.Lib.Result.Line
{
Left = "<" + left.BaseNode.Name,
Right = "<" + right.BaseNode.Name,
});
foreach (string key in attributes.Keys.OrderBy(x => x))
{
lines.Add(new StructuredFileDiff.Lib.Result.Line
{
Left = RenderAttribute(key, attributes[key][0]),
Right = RenderAttribute(key, attributes[key][1]),
});
}
lines.Last().Left += ">";
lines.Last().Right += ">";
return(lines);
}
