PrecedingSiblingIterator.cs

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using System.ComponentModel;
using System.Xml.XPath;
 
namespace System.Xml.Xsl.Runtime;
 
[EditorBrowsable(EditorBrowsableState.Never)]
public struct PrecedingSiblingIterator
{
    private XmlNavigatorFilter _filter;
 
    private XPathNavigator _navCurrent;
 
    public XPathNavigator Current => _navCurrent;
 
    public void Create(XPathNavigator context, XmlNavigatorFilter filter)
    {
        _navCurrent = XmlQueryRuntime.SyncToNavigator(_navCurrent, context);
        _filter = filter;
    }
 
    public bool MoveNext()
    {
        return _filter.MoveToPreviousSibling(_navCurrent);
    }
}