public Definitions(string definitionFile)
{
using (XmlReader reader = XmlReader.Create(definitionFile)) {
XPathNavigator navigator = new XPathDocument(reader).CreateNavigator();
bool caseSensitive = XmlConvert.ToBoolean(navigator.SelectSingleNode("/NxDSL-Defs").GetAttribute("caseSensitive", ""));
XPathNodeIterator atomPatterns = navigator.SelectDescendants("AtomPattern", "", false);
while (atomPatterns.MoveNext())
{
XPathNavigator atomPattern = atomPatterns.Current;
RegexOptions options = RegexOptions.Compiled;
if (!caseSensitive)
{
options |= RegexOptions.IgnoreCase;
}
Regex regex = new Regex("^\\s*" + atomPattern.GetAttribute("regex", "") + "$", options);
definitions.Add(regex, atomPattern.InnerXml);
}
}
}
/// <summary />
public static void SelectDescendentsSpeed(object it)
{
int iterations = (int)it;
long start;
long end;
XPathNavigator context = new XPathDocument(@"..\data.xml").CreateNavigator();
XPathExpression expr = context.Compile("descendant-or-self::publishers");
context.MoveToFirstChild();
start = DateTime.Now.Ticks;
for (int i = 0; i < iterations; i++)
{
context.Select(expr);
}
end = DateTime.Now.Ticks;
//Console.WriteLine("Elapsed time for compiled expression select: {0}", TimeSpan.FromTicks(end - start).TotalMilliseconds);
string ns = Schema.Namespace;
start = DateTime.Now.Ticks;
for (int i = 0; i < iterations; i++)
{
context.SelectDescendants("publisher", ns, true);
}
end = DateTime.Now.Ticks;
//Console.WriteLine("Elapsed time for descendents select: {0}", TimeSpan.FromTicks(end - start).TotalMilliseconds);
}