private void PreprocessTransformDocument()
{
hasTransformNamespace = false;
foreach (XmlAttribute attribute in xmlTransformation.SelectNodes("//namespace::*"))
{
if (attribute.Value.Equals(TransformNamespace, StringComparison.Ordinal))
{
hasTransformNamespace = true;
break;
}
}
if (hasTransformNamespace)
{
// This will look for all nodes from our namespace in the document,
// and do any initialization work
XmlNamespaceManager namespaceManager = new XmlNamespaceManager(new NameTable());
namespaceManager.AddNamespace("xdt", TransformNamespace);
XmlNodeList namespaceNodes = xmlTransformation.SelectNodes("//xdt:*", namespaceManager);
foreach (XmlNode node in namespaceNodes)
{
XmlElement element = node as XmlElement;
if (element == null)
{
Debug.Fail("The XPath for elements returned something that wasn't an element?");
continue;
}
XmlElementContext context = null;
try {
switch (element.LocalName)
{
case "Import":
context = CreateElementContext(null, element);
PreprocessImportElement(context);
break;
default:
logger.LogWarning(element, SR.XMLTRANSFORMATION_UnknownXdtTag, element.Name);
break;
}
}
catch (Exception ex) {
if (context != null)
{
ex = WrapException(ex, context);
}
logger.LogErrorFromException(ex);
throw new XmlTransformationException(SR.XMLTRANSFORMATION_FatalTransformSyntaxError, ex);
}
finally {
context = null;
}
}
}
}
