static string IteratePathSegments(XmlPath xmlPath, ref XElement currentElement)
{
var scalarSegment = string.Empty;
var pathSegments = new List <XmlPathSegment>(xmlPath.GetSegements().OfType <XmlPathSegment>());
var segmentIndex = 0;
while (currentElement != null && segmentIndex < pathSegments.Count)
{
if (segmentIndex == 0 && currentElement.Name != pathSegments[segmentIndex].ActualSegment && currentElement.Name.LocalName != pathSegments[segmentIndex].ActualSegment)
{
currentElement = null;
scalarSegment = null;
}
else if (segmentIndex == 0 && pathSegments.Count == 1 && currentElement.Name.LocalName == pathSegments[segmentIndex].ActualSegment)
{
scalarSegment = currentElement.Value;
}
else
{
scalarSegment = ScalarSegment(ref currentElement, pathSegments, segmentIndex);
}
segmentIndex++;
}
return(scalarSegment);
}
public void GetSegments_Expected_LastSegmentIsCorrect()
{
XmlPath path = new XmlPath("Company.Departments().Department:Name", "Company.Departments.Department:Name");
const string expected = "Name";
string actual = path.GetSegements().Last().ToString();
Assert.AreEqual(expected, actual);
}
public void GetSegments_Expected_CorrectSegmentCount()
{
XmlPath path = new XmlPath("Company.Departments().Department:Name", "Company.Departments.Department:Name");
const int expected = 4;
int actual = path.GetSegements().Count();
Assert.AreEqual(expected, actual);
}
public IEnumerable <object> SelectEnumerable(IPath path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
XmlPath xmlPath = path as XmlPath;
if (xmlPath == null)
{
throw new Exception(string.Format("Path of type '{0}' expected, path of type '{1}' received.", typeof(XmlPath), path.GetType()));
}
XDocument document = Data as XDocument;
if (document == null)
{
throw new Exception(string.Format("Type of {0} was expected for data, type of {1} was found instead.", typeof(XDocument), Data.GetType()));
}
List <object> returnData = null;
XElement currentElement = document.Root;
if (path.ActualPath == XmlPath.NodeSeperatorSymbol)
{
if (currentElement != null)
{
returnData = new List <object> {
currentElement.ToString()
};
}
}
else
{
List <IPathSegment> pathSegments = new List <IPathSegment>(xmlPath.GetSegements());
returnData = new List <object>(SelectEnumberable(pathSegments.Skip(1).ToList(), pathSegments.FirstOrDefault(), currentElement));
}
return(returnData);
}
public object SelectScalar(IPath path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
XmlPath xmlPath = path as XmlPath;
if (xmlPath == null)
{
throw new Exception(string.Format("Path of type '{0}' expected, path of type '{1}' received.", typeof(XmlPath), path.GetType()));
}
XDocument document = Data as XDocument;
if (document == null)
{
throw new Exception(string.Format("Type of {0} was expected for data, type of {1} was found instead.", typeof(XDocument), Data.GetType()));
}
string returnData = string.Empty;
XElement currentElement = document.Root;
if (path.ActualPath == XmlPath.NodeSeperatorSymbol)
{
if (currentElement != null)
{
returnData = currentElement.ToString();
}
}
else
{
List <XmlPathSegment> pathSegments = new List <XmlPathSegment>(xmlPath.GetSegements().OfType <XmlPathSegment>());
int segmentIndex = 0;
while (currentElement != null && segmentIndex < pathSegments.Count)
{
if (segmentIndex == 0 && currentElement.Name != pathSegments[segmentIndex].ActualSegment)
{
currentElement = null;
returnData = null;
}
else if (segmentIndex == 0 && pathSegments.Count == 1 && currentElement.Name == pathSegments[segmentIndex].ActualSegment)
{
returnData = currentElement.Value;
}
else if (segmentIndex > 0)
{
if (pathSegments[segmentIndex].IsAttribute)
{
XAttribute attribute = currentElement.Attribute(pathSegments[segmentIndex].ActualSegment);
if (attribute != null)
{
currentElement = null;
returnData = attribute.Value;
}
}
else
{
currentElement = currentElement.Elements(pathSegments[segmentIndex].ActualSegment).LastOrDefault();
// Travis.Frisinger : 09/10/2012 - Fix for null element, naughty Brendan ;)
if (currentElement != null)
{
returnData = currentElement.Value;
}
else
{
returnData = string.Empty;
}
}
}
segmentIndex++;
}
}
return(returnData);
}
