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//-----------------------------------------------------------------------
// <copyright file="XrdsNode.cs" company="Outercurve Foundation, Scott Hanselman">
// Copyright (c) Outercurve Foundation, Scott Hanselman. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Xrds {
using System;
using System.Xml;
using System.Xml.XPath;
using DotNetOpenAuth.Messaging;
using Validation;
/// <summary>
/// A node in an XRDS document.
/// </summary>
internal class XrdsNode {
/// <summary>
/// The XRD namespace xri://$xrd*($v*2.0)
/// </summary>
internal const string XrdNamespace = "xri://$xrd*($v*2.0)";
/// <summary>
/// The XRDS namespace xri://$xrds
/// </summary>
internal const string XrdsNamespace = "xri://$xrds";
/// <summary>
/// Initializes a new instance of the <see cref="XrdsNode"/> class.
/// </summary>
/// <param name="node">The node represented by this instance.</param>
/// <param name="parentNode">The parent node.</param>
protected XrdsNode(XPathNavigator node, XrdsNode parentNode) {
Requires.NotNull(node, "node");
Requires.NotNull(parentNode, "parentNode");
this.Node = node;
this.ParentNode = parentNode;
this.XmlNamespaceResolver = this.ParentNode.XmlNamespaceResolver;
}
/// <summary>
/// Initializes a new instance of the <see cref="XrdsNode"/> class.
/// </summary>
/// <param name="document">The document's root node, which this instance represents.</param>
protected XrdsNode(XPathNavigator document) {
Requires.NotNull(document, "document");
Requires.That(document.NameTable != null, "document", "requires document.NameTable != null");
this.Node = document;
this.XmlNamespaceResolver = new XmlNamespaceManager(document.NameTable);
}
/// <summary>
/// Gets the node.
/// </summary>
internal XPathNavigator Node { get; private set; }
/// <summary>
/// Gets the parent node, or null if this is the root node.
/// </summary>
protected internal XrdsNode ParentNode { get; private set; }
/// <summary>
/// Gets the XML namespace resolver to use in XPath expressions.
/// </summary>
protected internal XmlNamespaceManager XmlNamespaceResolver { get; private set; }
}
}
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