CreateNavigator() [2/2]

virtual ? XPathNavigator System.Xml.XmlDocument.CreateNavigator ( XmlNode node )

inlinepackagevirtual

Reimplemented in System.Xml.XmlDataDocument.

Definition at line 886 of file XmlDocument.cs.

    {
        switch (node.NodeType)
        {
        case XmlNodeType.EntityReference:
        case XmlNodeType.Entity:
        case XmlNodeType.DocumentType:
        case XmlNodeType.Notation:
        case XmlNodeType.XmlDeclaration:
            return null;
        case XmlNodeType.Text:
        case XmlNodeType.CDATA:
        case XmlNodeType.SignificantWhitespace:
        {
            XmlNode xmlNode = node.ParentNode;
            if (xmlNode != null)
            {
                do
                {
                    switch (xmlNode.NodeType)
                    {
                    case XmlNodeType.Attribute:
                        return null;
                    case XmlNodeType.EntityReference:
                        goto IL_006a;
                    }
                    break;
                    IL_006a:
                    xmlNode = xmlNode.ParentNode;
                }
                while (xmlNode != null);
            }
            node = NormalizeText(node);
            break;
        }
        case XmlNodeType.Whitespace:
        {
            XmlNode xmlNode = node.ParentNode;
            if (xmlNode != null)
            {
                do
                {
                    switch (xmlNode.NodeType)
                    {
                    case XmlNodeType.Attribute:
                    case XmlNodeType.Document:
                        return null;
                    case XmlNodeType.EntityReference:
                        goto IL_009f;
                    }
                    break;
                    IL_009f:
                    xmlNode = xmlNode.ParentNode;
                }
                while (xmlNode != null);
            }
            node = NormalizeText(node);
            break;
        }
        }
        return new DocumentXPathNavigator(this, node);
    }

References System.Xml.Dictionary, and System.Xml.XmlDocument.NormalizeText().