public HtmlNode SelectSingleNode(string xpath)
{
if (xpath == null)
{
throw new ArgumentNullException(nameof(xpath));
}
XPathNodeIterator xpathNodeIterator = new HtmlNodeNavigator(this.OwnerDocument, this).Select(xpath);
if (!xpathNodeIterator.MoveNext())
{
return((HtmlNode)null);
}
return(((HtmlNodeNavigator)xpathNodeIterator.Current).CurrentNode);
}
public HtmlNode SelectSingleNode(string xpath)
{
if (xpath == null)
{
throw new ArgumentNullException("xpath");
}
XPathNodeIterator iterator = new HtmlNodeNavigator(OwnerDocument, this).Select(xpath);
if (!iterator.MoveNext())
{
return(null);
}
HtmlNodeNavigator current = (HtmlNodeNavigator)iterator.Current;
return(current.CurrentNode);
}
public HtmlNodeCollection SelectNodes(string xpath)
{
HtmlNodeCollection nodes = new HtmlNodeCollection(null);
XPathNodeIterator iterator = new HtmlNodeNavigator(OwnerDocument, this).Select(xpath);
while (iterator.MoveNext())
{
HtmlNodeNavigator current = (HtmlNodeNavigator)iterator.Current;
nodes.Add(current.CurrentNode);
}
if (nodes.Count == 0)
{
return(null);
}
return(nodes);
}
public HtmlNodeCollection SelectNodes(string xpath)
{
HtmlNodeCollection htmlNodeCollection = new HtmlNodeCollection((HtmlNode)null);
XPathNodeIterator xpathNodeIterator = new HtmlNodeNavigator(this.OwnerDocument, this).Select(xpath);
while (xpathNodeIterator.MoveNext())
{
HtmlNodeNavigator current = (HtmlNodeNavigator)xpathNodeIterator.Current;
htmlNodeCollection.Add(current.CurrentNode);
}
if (htmlNodeCollection.Count == 0)
{
return((HtmlNodeCollection)null);
}
return(htmlNodeCollection);
}
/// <summary>
/// Selects the first XmlNode that matches the XPath expression.
///
/// </summary>
/// <param name="xpath">The XPath expression. May not be null.</param>
/// <returns>
/// The first <see cref="T:HtmlAgilityPack.HtmlNode"/> that matches the XPath query or a null reference if no matching node was found.
/// </returns>
public HtmlNode SelectSingleNode(string xpath)
{
if (xpath == null)
throw new ArgumentNullException("xpath");
XPathNodeIterator xpathNodeIterator = new HtmlNodeNavigator(this.OwnerDocument, this).Select(xpath);
if (!xpathNodeIterator.MoveNext())
return (HtmlNode) null;
return ((HtmlNodeNavigator) xpathNodeIterator.Current).CurrentNode;
}
/// <summary>
/// Selects a list of nodes matching the <see cref="P:HtmlAgilityPack.HtmlNode.XPath"/> expression.
///
/// </summary>
/// <param name="xpath">The XPath expression.</param>
/// <returns>
/// An <see cref="T:HtmlAgilityPack.HtmlNodeCollection"/> containing a collection of nodes matching the <see cref="P:HtmlAgilityPack.HtmlNode.XPath"/> query, or <c>null</c> if no node matched the XPath expression.
/// </returns>
public HtmlNodeCollection SelectNodes(string xpath)
{
HtmlNodeCollection htmlNodeCollection = new HtmlNodeCollection((HtmlNode) null);
XPathNodeIterator xpathNodeIterator = new HtmlNodeNavigator(this.OwnerDocument, this).Select(xpath);
while (xpathNodeIterator.MoveNext())
{
HtmlNodeNavigator htmlNodeNavigator = (HtmlNodeNavigator) xpathNodeIterator.Current;
htmlNodeCollection.Add(htmlNodeNavigator.CurrentNode);
}
if (htmlNodeCollection.Count == 0)
return (HtmlNodeCollection) null;
return htmlNodeCollection;
}