/// <summary>
/// See <see cref="System.Xml.XPath.XPathNavigator.MoveTo" /> for details.
/// </summary>
public override bool MoveTo(XPathNavigator other)
{
var otherNav = other as ObjectXPathNavigator;
if (otherNav == null)
{
return(false);
}
_context = otherNav._context;
_root = otherNav._root;
_node = otherNav._node;
if (otherNav._childNav != null)
{
_childNav = otherNav._childNav.Clone();
_childNavDepth = otherNav._childNavDepth;
}
else
{
_childNav = null;
}
#if DEBUG
Trace(() => string.Format("MoveTo( N#{0} )", other.GetHashCode()));
#endif
if (_context.DetectLoops)
{
_navigationStack = (Stack)otherNav._navigationStack.Clone();
}
return(true);
}
/// <summary>
/// Creates a copy of given context. Contexts shares the same name table,
/// namespace manager, and factories.
/// </summary>
/// <param name="other">An instance of <see cref="ObjectXPathContext"/> to
/// copy.</param>
private ObjectXPathContext(ObjectXPathContext other) :
this((XmlNamespaceManager)null)
{
_nameTable = other.NameTable;
_namespaceManager = other.NamespaceManager;
_nodePolicyFactory = other._nodePolicyFactory;
_converterFactory = other._converterFactory;
}
/// <summary>
/// Creates a new <see cref="Node"/> instance.
/// </summary>
/// <param name="context">Context this node belongs to.</param>
/// <param name="policy">The node policy.</param>
public Node(ObjectXPathContext context, INodePolicy policy)
{
_context = context;
_nodePolicy = policy;
_nodeType = XPathNodeType.All;
_nodeState = NodeState.ObjectNotKnown;
_attributesCount = -1;
_elementsCount = -1;
}
internal ObjectXPathNavigator(object obj, ObjectXPathContext context)
{
_context = context;
_root = new Node(_context, new RootNodePolicy(obj));
_node = _root;
if (_context.DetectLoops)
{
_navigationStack = new Stack();
_navigationStack.Push(_root); // Push dummy root object
}
_lang = _context.NameTable.Add("");
}
/// <summary>
/// Creates a new <see cref="NodePolicyFactory"/> instance.
/// </summary>
/// <param name="context">Context to which this factory will belong.</param>
public NodePolicyFactory(ObjectXPathContext context)
{
_typePolicy = new Hashtable();
_context = context;
}
