GroupQuery.cs

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using System.Xml.XPath;
 
namespace MS.Internal.Xml.XPath;
 
internal sealed class GroupQuery : BaseAxisQuery
{
    public override XPathResultType StaticType => qyInput.StaticType;
 
    public override QueryProps Properties => QueryProps.Position;
 
    public GroupQuery(Query qy)
        : base(qy)
    {
    }
 
    private GroupQuery(GroupQuery other)
        : base(other)
    {
    }
 
    public override XPathNavigator Advance()
    {
        currentNode = qyInput.Advance();
        if (currentNode != null)
        {
            position++;
        }
        return currentNode;
    }
 
    public override object Evaluate(XPathNodeIterator nodeIterator)
    {
        return qyInput.Evaluate(nodeIterator);
    }
 
    public override XPathNodeIterator Clone()
    {
        return new GroupQuery(this);
    }
}