/// <summary>
/// Finds a node by position from all the nodes with the same name
/// </summary>
/// <param name="name">Name to saerch for</param>
/// <param name="pos">Position in the sub collection created by the search</param>
/// <returns></returns>
public UfDataNode GetNameByPosition(string name, int pos)
{
UfDataNodes subCollection = new UfDataNodes();
for (int i = 0; i < this.InnerList.Count; i++)
{
UfDataNode testNode = (UfDataNode)this.InnerList[i];
if (testNode.Name == name)
{
subCollection.Add(testNode);
}
}
if (subCollection.Count >= pos)
{
return(subCollection[pos]);
}
else
{
return(new UfDataNode());
}
}
/// <summary>
/// Finds a node by position from all the nodes with the same name
/// </summary>
/// <param name="name">Name to saerch for</param>
/// <param name="pos">Position in the sub collection created by the search</param>
/// <returns></returns>
public UfDataNode GetNameByPosition(string name, int pos)
{
UfDataNodes subCollection = new UfDataNodes();
for (int i = 0; i < this.InnerList.Count; i++)
{
UfDataNode testNode = (UfDataNode)this.InnerList[i];
if (testNode.Name == name)
subCollection.Add(testNode);
}
if( subCollection.Count >= pos )
return subCollection[pos];
else
return new UfDataNode();
}
/// <summary>
/// Gets the descendant node using a custom tree expression
/// </summary>
/// <param name="treeExpression">Custom expression of a node tree position ie "n/given-name"</param>
/// <returns>The node or null</returns>
public UfDataNode DescendantNode(string treeExpression)
{
UfDataNode output = new UfDataNode();
if(treeExpression != "" )
{
UfDataNode currentNode = this;
if (treeExpression.IndexOf('/') > 0)
{
string[] expressions = treeExpression.Split('/');
for (int i = 0; i < expressions.Length; i++)
{
string propertyName = expressions[i];
// We are looking for a node from an array
if (propertyName.IndexOf('[') > 0)
{
string[] parts = propertyName.Split('[');
propertyName = parts[0];
int index = Convert.ToInt32( parts[1].Replace("]","") );
UfDataNodes nodeCollection = new UfDataNodes();
for (int x = 0; x < currentNode.Nodes.Count; x++)
{
if (currentNode.Nodes[x].Name == propertyName)
nodeCollection.Add(currentNode.Nodes[x]);
}
if (nodeCollection.Count > 0)
{
if (nodeCollection.Count-1 >= index)
currentNode = nodeCollection[index];
}
}
else
{
// We are looking for a single node
if (currentNode.Nodes[propertyName] != null)
{
currentNode = currentNode.Nodes[propertyName];
}
else
{
currentNode = null;
break;
}
}
}
}
else
{
if (currentNode.Nodes[treeExpression] != null)
currentNode = currentNode.Nodes[treeExpression];
}
if (currentNode != null)
output = currentNode;
}
return output;
}
/// <summary>
/// Gets the descendant node using a custom tree expression
/// </summary>
/// <param name="treeExpression">Custom expression of a node tree position ie "n/given-name"</param>
/// <returns>The node or null</returns>
public UfDataNode DescendantNode(string treeExpression)
{
UfDataNode output = new UfDataNode();
if (treeExpression != "")
{
UfDataNode currentNode = this;
if (treeExpression.IndexOf('/') > 0)
{
string[] expressions = treeExpression.Split('/');
for (int i = 0; i < expressions.Length; i++)
{
string propertyName = expressions[i];
// We are looking for a node from an array
if (propertyName.IndexOf('[') > 0)
{
string[] parts = propertyName.Split('[');
propertyName = parts[0];
int index = Convert.ToInt32(parts[1].Replace("]", ""));
UfDataNodes nodeCollection = new UfDataNodes();
for (int x = 0; x < currentNode.Nodes.Count; x++)
{
if (currentNode.Nodes[x].Name == propertyName)
{
nodeCollection.Add(currentNode.Nodes[x]);
}
}
if (nodeCollection.Count > 0)
{
if (nodeCollection.Count - 1 >= index)
{
currentNode = nodeCollection[index];
}
}
}
else
{
// We are looking for a single node
if (currentNode.Nodes[propertyName] != null)
{
currentNode = currentNode.Nodes[propertyName];
}
else
{
currentNode = null;
break;
}
}
}
}
else
{
if (currentNode.Nodes[treeExpression] != null)
{
currentNode = currentNode.Nodes[treeExpression];
}
}
if (currentNode != null)
{
output = currentNode;
}
}
return(output);
}