/// <summary>
/// Validates all the elements registered at construction using the
/// <see cref="NodeIndex"/> to locate them as quickly as possible.
/// </summary>
/// <param name="nodeIndex">The <see cref="NodeIndex"/> of the test document.</param>
/// <param name="errorHandler">The <see cref="ValidationErrorHandler"/> used to report issues.</param>
/// <returns><c>true</c> if the code values pass the checks, <c>false</c>
/// otherwise.</returns>
protected override bool Validate(NodeIndex nodeIndex, ValidationErrorHandler errorHandler)
{
bool result = true;
for (int index = 0; index < elementNames.Length; ++index)
{
XmlNodeList list = nodeIndex.GetElementsByName(elementNames [index]);
if (parentNames == null)
{
result &= Validate(list, errorHandler);
}
else
{
MutableNodeList targets = new MutableNodeList();
foreach (XmlElement context in list)
{
XmlNode parent = context.ParentNode;
if ((parent.NodeType == XmlNodeType.Element) &&
parent.LocalName.Equals(parentNames [index]))
{
targets.Add(context);
}
}
result &= Validate(targets, errorHandler);
}
}
return(result);
}
/// <summary>
/// Returns a <see cref="XmlNodeList"/> containing all the elements
/// defined in the <see cref="NodeIndex"/> that match the context
/// specification.
/// </summary>
/// <param name="nodeIndex">A <see cref="NodeIndex"/> for the test document.</param>
/// <returns>A <see cref="XmlNodeList"/> containing all the matching
/// <see cref="XmlElement"/> instances, if any.</returns>
public XmlNodeList GetMatchingElements(NodeIndex nodeIndex)
{
if (parentNames == null)
{
return(nodeIndex.GetElementsByName(elementNames));
}
else
{
MutableNodeList result = new MutableNodeList();
for (int index = 0; index < elementNames.Length; ++index)
{
XmlNodeList matches = nodeIndex.GetElementsByName(elementNames [index]);
if (parentNames [index] == null)
{
result.AddAll(matches);
}
else
{
for (int count = 0; count < matches.Count; ++count)
{
XmlElement element = (XmlElement)matches [count];
XmlNode parent = element.ParentNode;
if (parent.NodeType == XmlNodeType.Element)
{
if (parent.LocalName.Equals(parentNames [index]))
{
result.Add(element);
}
}
}
}
}
return(result);
}
}
