static void ActualXElementSegment(XmlPathSegment pathSegment, IndexedPathSegmentTreeNode <string> newIndexedValueTreeNode, XElement parentCurentElement)
{
var childElements =
parentCurentElement.Elements(pathSegment.ActualSegment).ToList();
newIndexedValueTreeNode.EnumerableValue = childElements;
if (childElements.Count == 0)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.Enumerator =
newIndexedValueTreeNode.EnumerableValue.GetEnumerator();
newIndexedValueTreeNode.Enumerator.Reset();
if (!newIndexedValueTreeNode.Enumerator.MoveNext())
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.CurrentValue = newIndexedValueTreeNode.Enumerator.Current;
}
}
}
IndexedPathSegmentTreeNode <string> CreatePathSegmentIndexedPathSegmentTreeNode(
XmlPathSegment pathSegment, IPathSegment parentPathSegment, IndexedPathSegmentTreeNode <string> parentNode)
{
var newIndexedValueTreeNode = new IndexedPathSegmentTreeNode <string>();
if (parentNode.EnumerationComplete)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
if (parentNode.CurrentValue is XDocument)
{
var document = parentNode.CurrentValue as XDocument;
newIndexedValueTreeNode.CurrentValue = document.Root;
}
else
{
XElementSegment(pathSegment, parentPathSegment, parentNode, newIndexedValueTreeNode);
}
}
return(newIndexedValueTreeNode);
}
static List <string> AddAttribute(List <string> returnData, XmlPathSegment pathSegment, XElement childElement)
{
var attribute = childElement.Attribute(pathSegment.ActualSegment);
if (attribute != null)
{
returnData.Add(attribute.Value);
}
else
{
throw new Exception(string.Format("Attribute {0} not found.", pathSegment.ActualSegment));
}
return(returnData);
}
public override IPathSegment CreatePathSegment(string pathSegmentString)
{
XmlPathSegment xmlPathSegment;
if (pathSegmentString.EndsWith(EnumerableSymbol))
{
xmlPathSegment = new XmlPathSegment(pathSegmentString.TrimEnd(EnumerableSymbol.ToArray()), true);
}
else
{
xmlPathSegment = new XmlPathSegment(pathSegmentString, false);
}
return(xmlPathSegment);
}
static void XElementSegment(XmlPathSegment pathSegment, IPathSegment parentPathSegment, IndexedPathSegmentTreeNode <string> parentNode, IndexedPathSegmentTreeNode <string> newIndexedValueTreeNode)
{
var parentCurentElement = parentNode.CurrentValue as XElement;
if (parentPathSegment != null && parentPathSegment.IsEnumarable)
{
if (parentCurentElement != null)
{
ActualXElementSegment(pathSegment, newIndexedValueTreeNode, parentCurentElement);
}
}
else
{
if (pathSegment.IsAttribute)
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue = parentCurentElement.Attribute(pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
else
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue = parentCurentElement
.Element(pathSegment.ActualSegment)
?? parentCurentElement.Descendants()
.FirstOrDefault(o => o.Name.LocalName == pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
}
}
protected override void BuildIndexedTree(IList <IPath> paths, Dictionary <IPath, List <IPathSegment> > indexedPathSegments, IndexedPathSegmentTreeNode <string> rootIndexedValueTreeNode)
{
foreach (IPath path in paths)
{
IndexedPathSegmentTreeNode <string> IndexedPathSegmentTreeNode = rootIndexedValueTreeNode;
int pathSegmentCount = 0;
while (pathSegmentCount < indexedPathSegments[path].Count)
{
IndexedPathSegmentTreeNode <string> tmpIndexedPathSegmentTreeNode = null;
XmlPathSegment pathSegment = indexedPathSegments[path][pathSegmentCount] as XmlPathSegment;
XmlPathSegment parentPathSegment;
if (pathSegmentCount > 0)
{
parentPathSegment = indexedPathSegments[path][pathSegmentCount - 1] as XmlPathSegment;
}
else
{
parentPathSegment = null;
}
if (IndexedPathSegmentTreeNode != null && (pathSegment != null && !IndexedPathSegmentTreeNode.TryGetValue(pathSegment.ActualSegment, out tmpIndexedPathSegmentTreeNode)))
{
IndexedPathSegmentTreeNode <string> newIndexedPathSegmentTreeNode = CreatePathSegmentIndexedPathSegmentTreeNode(pathSegment, parentPathSegment, IndexedPathSegmentTreeNode);
IndexedPathSegmentTreeNode.Add(pathSegment.ActualSegment, newIndexedPathSegmentTreeNode);
IndexedPathSegmentTreeNode = newIndexedPathSegmentTreeNode;
}
else
{
IndexedPathSegmentTreeNode = tmpIndexedPathSegmentTreeNode;
}
pathSegmentCount++;
}
}
}
void SelectEnumarable(IList <IPathSegment> pathSegments, List <string> returnData, int i, XmlPathSegment pathSegment, bool lastSegment, List <XElement> childElements)
{
if (lastSegment)
{
foreach (XElement childElement in childElements)
{
if (pathSegment.IsAttribute)
{
returnData.AddRange(AddAttribute(returnData, pathSegment, childElement));
}
else
{
returnData.Add(childElement.Value);
}
}
}
else
{
foreach (XElement childElement in childElements)
{
returnData.AddRange(SelectEnumberable(pathSegments.Skip(i + 1).ToList(),
pathSegment, childElement));
}
}
}
List <string> SelectEnumerable(IList <IPathSegment> pathSegments, List <string> returnData, int i, XmlPathSegment pathSegment, bool lastSegment, XElement currentElement)
{
if (currentElement != null && pathSegment != null)
{
var childElements =
currentElement.Elements(pathSegment.ActualSegment).ToList();
if (childElements.Count > 0)
{
SelectEnumarable(pathSegments, returnData, i, pathSegment, lastSegment, childElements);
}
}
return(returnData);
}
private static XElement SelectEnumerable(ref List <string> returnData, XElement currentElement, XmlPathSegment pathSegment, bool lastSegment)
{
if (pathSegment != null && pathSegment.IsAttribute)
{
var attribute = currentElement?.Attribute(pathSegment.ActualSegment);
if (attribute != null)
{
currentElement = null;
if (lastSegment)
{
returnData.Add(attribute.Value);
}
}
}
else
{
if (currentElement != null && pathSegment != null)
{
currentElement = currentElement.Element(pathSegment.ActualSegment);
}
if (currentElement != null && lastSegment)
{
returnData.Add(currentElement.Value);
}
}
return(currentElement);
}
private IndexedPathSegmentTreeNode<string> CreatePathSegmentIndexedPathSegmentTreeNode(
XmlPathSegment pathSegment, IPathSegment parentPathSegment, IndexedPathSegmentTreeNode<string> parentNode)
{
var newIndexedValueTreeNode = new IndexedPathSegmentTreeNode<string>();
if (parentNode.EnumerationComplete)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
if (parentNode.CurrentValue is XDocument)
{
var document = parentNode.CurrentValue as XDocument;
newIndexedValueTreeNode.CurrentValue = document.Root;
}
else
{
var parentCurentElement = parentNode.CurrentValue as XElement;
if (parentPathSegment != null && parentPathSegment.IsEnumarable)
{
if (parentCurentElement != null)
{
List<XElement> childElements =
parentCurentElement.Elements(pathSegment.ActualSegment).ToList();
newIndexedValueTreeNode.EnumerableValue = childElements;
if (childElements.Count == 0)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.Enumerator =
newIndexedValueTreeNode.EnumerableValue.GetEnumerator();
newIndexedValueTreeNode.Enumerator.Reset();
if (!newIndexedValueTreeNode.Enumerator.MoveNext())
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.CurrentValue = newIndexedValueTreeNode.Enumerator.Current;
}
}
}
}
else
{
if (pathSegment.IsAttribute)
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue =
parentCurentElement.Attribute(pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
else
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue =
parentCurentElement.Element(pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
}
}
}
return newIndexedValueTreeNode;
}
public override IPathSegment CreatePathSegment(string pathSegmentString)
{
XmlPathSegment xmlPathSegment;
if (pathSegmentString.EndsWith(EnumerableSymbol))
{
xmlPathSegment = new XmlPathSegment(pathSegmentString.TrimEnd(EnumerableSymbol.ToArray()), true);
}
else
{
xmlPathSegment = new XmlPathSegment(pathSegmentString, false);
}
return xmlPathSegment;
}
private IEnumerable <string> SelectEnumberable(IList <IPathSegment> pathSegments, IPathSegment parentPathSegment, XElement element)
{
List <string> returnData = new List <string>();
XElement currentElement = element;
if (pathSegments.Count > 0)
{
for (int i = 0; i < pathSegments.Count; i++)
{
XmlPathSegment pathSegment = pathSegments[i] as XmlPathSegment;
XmlPathSegment previousPathSegment;
if (i > 0)
{
previousPathSegment = pathSegments[i - 1] as XmlPathSegment;
}
else
{
previousPathSegment = parentPathSegment as XmlPathSegment;
}
bool lastSegment = (i == pathSegments.Count - 1);
if (previousPathSegment != null && previousPathSegment.IsEnumarable)
{
if (currentElement != null)
{
if (pathSegment != null)
{
List <XElement> childElements = currentElement.Elements(pathSegment.ActualSegment).ToList();
if (childElements.Count > 0)
{
if (lastSegment)
{
foreach (XElement childElement in childElements)
{
if (pathSegment.IsAttribute)
{
XAttribute attribute = childElement.Attribute(pathSegment.ActualSegment);
if (attribute != null)
{
returnData.Add(attribute.Value);
}
else
{
throw new Exception(string.Format("Attribute {0} not found.", pathSegment.ActualSegment));
}
}
else
{
returnData.Add(childElement.Value);
}
}
}
else
{
foreach (XElement childElement in childElements)
{
returnData.AddRange(SelectEnumberable(pathSegments.Skip(i + 1).ToList(), pathSegment, childElement));
}
}
}
}
}
return(returnData);
}
if (pathSegment != null && pathSegment.IsAttribute)
{
if (currentElement != null)
{
XAttribute attribute = currentElement.Attribute(pathSegment.ActualSegment);
if (attribute != null)
{
currentElement = null;
if (lastSegment)
{
returnData.Add(attribute.Value);
}
}
}
}
else
{
if (currentElement != null)
{
if (pathSegment != null)
{
currentElement = currentElement.Element(pathSegment.ActualSegment);
}
}
if (currentElement != null && lastSegment)
{
returnData.Add(currentElement.Value);
}
}
}
}
else if (currentElement.Name == parentPathSegment.ActualSegment)
{
returnData.Add(currentElement.Value);
}
return(returnData);
}
private IndexedPathSegmentTreeNode <string> CreatePathSegmentIndexedPathSegmentTreeNode(XmlPathSegment pathSegment, IPathSegment parentPathSegment, IndexedPathSegmentTreeNode <string> parentNode)
{
IndexedPathSegmentTreeNode <string> newIndexedValueTreeNode = new IndexedPathSegmentTreeNode <string>();
if (parentNode.EnumerationComplete)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
if (parentNode.CurrentValue is XDocument)
{
XDocument document = parentNode.CurrentValue as XDocument;
newIndexedValueTreeNode.CurrentValue = document.Root;
}
else
{
XElement parentCurentElement = parentNode.CurrentValue as XElement;
if (parentPathSegment != null && parentPathSegment.IsEnumarable)
{
if (parentCurentElement != null)
{
List <XElement> childElements = parentCurentElement.Elements(pathSegment.ActualSegment).ToList();
newIndexedValueTreeNode.EnumerableValue = childElements;
if (childElements.Count == 0)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.Enumerator = newIndexedValueTreeNode.EnumerableValue.GetEnumerator();
newIndexedValueTreeNode.Enumerator.Reset();
if (!newIndexedValueTreeNode.Enumerator.MoveNext())
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
else
{
newIndexedValueTreeNode.CurrentValue = newIndexedValueTreeNode.Enumerator.Current;
}
}
}
}
else
{
if (pathSegment.IsAttribute)
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue = parentCurentElement.Attribute(pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
else
{
if (parentCurentElement != null)
{
newIndexedValueTreeNode.CurrentValue = parentCurentElement.Element(pathSegment.ActualSegment);
}
if (newIndexedValueTreeNode.CurrentValue == null)
{
newIndexedValueTreeNode.CurrentValue = string.Empty;
newIndexedValueTreeNode.EnumerationComplete = true;
}
}
}
}
}
return(newIndexedValueTreeNode);
}
