/// <summary>
///
/// </summary>
/// <param name="filename">The configuration filename</param>
/// <returns></returns>
public static ClassificationScheme Load(string filename)
{
ClassificationScheme scheme = new ClassificationScheme();
Dictionary <string, Category> dictionary = new Dictionary <string, Category>();
try {
FileStream stream = File.OpenRead(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, filename));
XmlDocument document = XmlUtility.NonValidatingParse(stream);
foreach (XmlElement element in DOM.GetChildElements(document.DocumentElement))
{
if (element.LocalName.Equals("category"))
{
Category category;
string attribute = element.GetAttribute("id");
string name = element.GetAttribute("name");
string str3 = element.GetAttribute("abstract");
string str4 = element.GetAttribute("superClasses");
ExprNode expression = LoadExpr(DOM.GetFirstChild(element));
bool concrete = (expression != null) && ((str3 == null) || !str3.Equals("true"));
if ((str4 != null) && (str4.Length != 0))
{
string[] strArray = str4.Split(new char[] { ' ' });
Category[] parents = new Category[strArray.Length];
for (int i = 0; i < strArray.Length; i++)
{
parents [i] = dictionary [strArray [i]];
}
category = new XmlCategory(scheme, name, concrete, parents, expression);
}
else
{
category = new XmlCategory(scheme, name, concrete, expression);
}
if ((attribute != null) && (attribute.Length != 0))
{
dictionary [attribute] = category;
}
}
stream.Close();
}
return(scheme);
}
catch (Exception exception) {
log.Fatal("Failed to load classification from " + filename, exception);
}
return(null);
}
private static ExprNode LoadExpr(XmlElement element)
{
if (element != null)
{
Specification specification;
if (element.LocalName.Equals("if"))
{
ExprNode node;
ExprNode node2;
ExprNode node3;
XmlElement parent = XPath.Path(element, "test");
XmlElement element3 = XPath.Path(element, "then");
XmlElement element4 = XPath.Path(element, "else");
if (parent.HasAttribute("test"))
{
node = new XPathNode(parent.GetAttribute("test"));
}
else
{
node = LoadExpr(DOM.GetFirstChild(parent));
}
if (element3.HasAttribute("test"))
{
node2 = new XPathNode(element3.GetAttribute("test"));
}
else
{
node2 = LoadExpr(DOM.GetFirstChild(element3));
}
if (element4.HasAttribute("test"))
{
node3 = new XPathNode(element4.GetAttribute("test"));
}
else
{
node3 = LoadExpr(DOM.GetFirstChild(element4));
}
return(new IfNode(node, node2, node3));
}
if (element.LocalName.Equals("release"))
{
specification = Specification.ForName(element.GetAttribute("specification"));
return(new ReleaseNode(specification, specification.GetReleaseForVersion(element.GetAttribute("version"))));
}
if (element.LocalName.Equals("range"))
{
specification = Specification.ForName(element.GetAttribute("specification"));
Release lower = null;
Release upper = null;
string attribute = element.GetAttribute("lower");
if (attribute != null)
{
lower = specification.GetReleaseForVersion(attribute);
}
attribute = element.GetAttribute("upper");
if (attribute != null)
{
upper = specification.GetReleaseForVersion(attribute);
}
return(new RangeNode(specification, lower, upper));
}
if (element.LocalName.Equals("xpath"))
{
return(new XPathNode(element.GetAttribute("test")));
}
}
return(null);
}