DoubleLinkAxis.cs

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using System.Diagnostics.CodeAnalysis;
using MS.Internal.Xml.XPath;
 
namespace System.Xml.Schema;
 
internal sealed class DoubleLinkAxis : Axis
{
    internal Axis next;
 
    internal Axis Next
    {
        get
        {
            return next;
        }
        set
        {
            next = value;
        }
    }
 
    internal DoubleLinkAxis(Axis axis, DoubleLinkAxis inputaxis)
        : base(axis.TypeOfAxis, inputaxis, axis.Prefix, axis.Name, axis.NodeType)
    {
        next = null;
        base.Urn = axis.Urn;
        abbrAxis = axis.AbbrAxis;
        if (inputaxis != null)
        {
            inputaxis.Next = this;
        }
    }
 
    [return: NotNullIfNotNull("axis")]
    internal static DoubleLinkAxis ConvertTree(Axis axis)
    {
        if (axis == null)
        {
            return null;
        }
        return new DoubleLinkAxis(axis, ConvertTree((Axis)axis.Input));
    }
}