/// <summary>Returns first node that match the given matcher (Func that should return true if it matches)</summary>
public static XmlNode Node(this XmlNode node, XmlNodeMatcher matcher)
{
if (node == null)
{
return(null);
}
return(node.Nodes(matcher).FirstOrDefault());
}
/// <summary>Returns a List of XmlNode matching the given matcher. If onlyFindOne is true, we stop looking after we find 1 match.</summary>
public static List <XmlNode> Nodes(this XmlNode node, XmlNodeMatcher matcher, bool onlyFindOne)
{
var nodes = new List <XmlNode>();
if (node == null)
{
return(nodes);
}
foreach (XmlNode child in node.ChildNodes)
{
if (matcher.Invoke(child))
{
nodes.Add(child);
if (onlyFindOne)
{
break;
}
}
nodes.AddRange(child.Nodes(matcher));
if (onlyFindOne && nodes.Count > 0)
{
break;
}
}
if (onlyFindOne && nodes.Count > 1)
{
return new List <XmlNode> {
nodes.First()
}
}
;
else
{
return(nodes);
}
}
/// <summary>Returns all nodes (searches recursively) that match the given matcher (Func that should return true if it matches)</summary>
public static List <XmlNode> Nodes(this XmlNode node, XmlNodeMatcher matcher)
{
return(node.Nodes(matcher, false));
}