public static void Test_Select_02()
{
string xpath1 = "//ol[@id='forums']";
string xpath2 = ".//text()";
Trace.WriteLine("HttpRun.GetXDocument()");
XNode sourceNode = HttpRun.GetXDocument();
if (sourceNode == null)
{
Trace.WriteLine("XDocument is null");
return;
}
//XNode sourceNode = doc.Root;
Trace.WriteLine("xpath1 \"{0}\"", xpath1);
XObject[] nodes = sourceNode.zXPathNodes(xpath1).ToArray();
Trace.WriteLine("result : {0} XObject", nodes.Length);
if (nodes.Length == 0)
{
Trace.WriteLine("no node in result");
return;
}
XObject node = nodes[0];
if (!(node is XNode))
{
Trace.WriteLine("first node is not XNode");
return;
}
Trace.WriteLine("xpath2 \"{0}\"", xpath2);
IEnumerable <XObject> nodes2 = ((XNode)node).zXPathNodes(xpath2);
Trace.WriteLine("result :");
foreach (XObject node3 in nodes2)
{
Trace.WriteLine("node \"{0}\"", node3.GetType().zGetTypeName());
}
}
public static void Test_Select_01()
{
string xpath1 = "//ol[@id='forums']";
string xpath2 = ".//text()";
Trace.WriteLine("HttpRun.GetXDocument()");
XDocument doc = HttpRun.GetXDocument();
if (doc == null)
{
Trace.WriteLine("XDocument is null");
return;
}
XNode sourceNode = doc.Root;
Trace.WriteLine("xpath1 \"{0}\"", xpath1);
//XObject[] nodes = sourceNode.zXPath(xpath1).ToArray();
object o = sourceNode.XPathEvaluate(xpath1);
if (o == null)
{
Trace.WriteLine("result is null");
return;
}
Trace.WriteLine("result : \"{0}\"", o.GetType().zGetTypeName());
if (!(o is IEnumerable))
{
Trace.WriteLine("result is not IEnumerable");
return;
}
IEnumerator enumerator = ((IEnumerable)o).GetEnumerator();
if (!enumerator.MoveNext())
{
Trace.WriteLine("no value in result");
return;
}
o = enumerator.Current;
Trace.WriteLine("first value : \"{0}\"", o.GetType().zGetTypeName());
if (!(o is XObject))
{
Trace.WriteLine("first value is not XObject");
return;
}
XObject node = (XObject)o;
if (!(node is XNode))
{
Trace.WriteLine("first value is not XNode");
return;
}
//IEnumerable<XObject> nodes2 = ((XNode)node).zXPath(xpath2);
Trace.WriteLine("xpath2 \"{0}\"", xpath2);
o = ((XNode)node).XPathEvaluate(xpath2);
if (o == null)
{
Trace.WriteLine("result is null");
return;
}
Trace.WriteLine("result : \"{0}\"", o.GetType().zGetTypeName());
if (!(o is IEnumerable))
{
Trace.WriteLine("result is not IEnumerable");
return;
}
enumerator = ((IEnumerable)o).GetEnumerator();
if (!enumerator.MoveNext())
{
Trace.WriteLine("no value in result");
return;
}
o = enumerator.Current;
Trace.WriteLine("first value : \"{0}\"", o.GetType().zGetTypeName());
}
public static DataTable Select(string xpath, params string[] values)
{
return(_Select(HttpRun.GetXDocument(), xpath, values));
}