GetAttribute() [3/4]

override string System.Xml.XPath.XPathNavigatorReader.GetAttribute ( string name )

inline

Definition at line 394 of file XPathNavigatorReader.cs.

    {
        XPathNavigator xPathNavigator = _nav;
        switch (xPathNavigator.NodeType)
        {
        case XPathNodeType.Attribute:
            xPathNavigator = xPathNavigator.Clone();
            if (!xPathNavigator.MoveToParent())
            {
                return null;
            }
            break;
        default:
            return null;
        case XPathNodeType.Element:
            break;
        }
        ValidateNames.SplitQName(name, out var prefix, out var lname);
        if (prefix.Length == 0)
        {
            if (lname == "xmlns")
            {
                return xPathNavigator.GetNamespace(string.Empty);
            }
            if (xPathNavigator == _nav)
            {
                xPathNavigator = xPathNavigator.Clone();
            }
            if (xPathNavigator.MoveToAttribute(lname, string.Empty))
            {
                return xPathNavigator.Value;
            }
        }
        else
        {
            if (prefix == "xmlns")
            {
                return xPathNavigator.GetNamespace(lname);
            }
            if (xPathNavigator == _nav)
            {
                xPathNavigator = xPathNavigator.Clone();
            }
            if (xPathNavigator.MoveToFirstAttribute())
            {
                do
                {
                    if (xPathNavigator.LocalName == lname && xPathNavigator.Prefix == prefix)
                    {
                        return xPathNavigator.Value;
                    }
                }
                while (xPathNavigator.MoveToNextAttribute());
            }
        }
        return null;
    }

References System.Xml.XPath.XPathNavigatorReader._nav, System.prefix, and System.Xml.ValidateNames.SplitQName().