Exemplo n.º 1
0
        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());
            }
        }
Exemplo n.º 2
0
        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());
        }
Exemplo n.º 3
0
 public static DataTable Select(string xpath, params string[] values)
 {
     return(_Select(HttpRun.GetXDocument(), xpath, values));
 }