IList <XPathObjectNode> ActivateDictionary()
{
// no attributes
_attributes = _emptyAttributes;
// collect elements
var elements = new List <XPathObjectNode>();
foreach (DictionaryEntry entry in (IDictionary)_target)
{
if (entry.Value == null)
{
continue;
}
var node = new XPathObjectNode(_context, entry.Value, null, this, elements, elements.Count);
elements.Add(node);
node.AddSpecialName("key", entry.Key.ToString());
}
if (elements.Count == 0)
{
_elements.Target = _emptyElements;
}
else
{
_elements.Target = elements;
}
return(elements);
}
XPathObjectNode(XPathObjectContext context, object target, string name, XPathObjectNode parent, IList <XPathObjectNode> siblings, int index)
{
_context = context ?? throw new ArgumentNullException("context");
_target = target ?? throw new ArgumentNullException("target");
_parent = parent;
_siblings = siblings;
_index = index;
if (string.IsNullOrEmpty(name))
{
if (target is IXmlInfo info)
{
name = info.XmlNodeName();
}
else
{
var type = target.GetType();
name = target.GetType().Name;
if (type.IsGenericType)
{
name = name.Remove(name.IndexOf('`'));
}
}
}
_name = GetAtomicString(name);
}
///
public override bool MoveToPrevious()
{
if (_type != XPathNodeType.Element)
{
return(false);
}
if (_type != XPathNodeType.Element)
{
return(false);
}
XPathObjectNode parent = _node.Parent;
if (parent == null)
{
return(false);
}
var elems = parent.Elements;
int prev = _node.Index - 1;
if (prev < 0)
{
return(false);
}
MoveNavigator(elems[prev]);
return(true);
}
///
public override bool MoveToNext()
{
if (_type != XPathNodeType.Element)
{
return(false);
}
XPathObjectNode parent = _node.Parent;
if (parent == null)
{
return(false);
}
var elems = parent.Elements;
int next = _node.Index + 1;
if (next >= elems.Count)
{
return(false);
}
MoveNavigator(elems[next]);
return(true);
}
XPathObjectNavigator(XPathObjectNavigator that)
{
_context = that._context;
_root = that._root;
_node = that._node;
_type = that._type;
_index = that._index;
}
///
public override bool MoveTo(XPathNavigator other)
{
if (!(other is XPathObjectNavigator that))
{
return(false);
}
_context = that._context;
_root = that._root;
_node = that._node;
_type = that._type;
_index = that._index;
return(true);
}
///
public override bool MoveTo(XPathNavigator other)
{
var that = other as XPathObjectNavigator;
if (that == null)
{
return(false);
}
_context = that._context;
_root = that._root;
_node = that._node;
_type = that._type;
_index = that._index;
return(true);
}
///
internal XPathObjectNavigator(object root, XPathObjectContext context)
{
if (root == null)
{
throw new ArgumentNullException("root");
}
_context = context ?? throw new ArgumentNullException("context");
_root = new XPathObjectNode(context, root);
//???? fails without it
var type = root.GetType();
var name = type.FullName;
if (type.IsGenericType)
{
name = name.Remove(name.IndexOf('`'));
}
_root.AddSpecialName("type", name);
}
///
public override bool MoveToParent()
{
if (_type == XPathNodeType.Root)
{
return(false);
}
if (_type != XPathNodeType.Element)
{
_type = XPathNodeType.Element;
return(true);
}
XPathObjectNode parent = _node.Parent;
if (parent == null)
{
return(false);
}
MoveNavigator(parent);
return(true);
}
///
public override void MoveToRoot()
{
_type = XPathNodeType.Root;
_node = null;
_index = -1;
}
void MoveNavigator(XPathObjectNode that)
{
_node = that;
_type = XPathNodeType.Element;
_index = -1;
}