public override bool MoveToNext(XPathNodeType type)
{
XNode currentNode = _source as XNode;
if (currentNode != null)
{
XContainer container = currentNode.GetParent();
if (container != null)
{
int mask = GetElementContentMask(type);
if ((TextMask & mask) != 0 && container.GetParent() == null && container is XDocument)
{
mask &= ~TextMask;
}
XNode next = null;
for (XNode node = currentNode; node != null; node = next)
{
next = node.NextNode;
if (((1 << (int)next.NodeType) & mask) != 0 && !(node is XText && next is XText))
{
_source = next;
return(true);
}
}
}
}
return(false);
}
public override bool MoveToPrevious()
{
XNode currentNode = _source as XNode;
if (currentNode != null)
{
XContainer container = currentNode.GetParent();
if (container != null)
{
XNode previous = null;
foreach (XNode node in container.Nodes())
{
if (node == currentNode)
{
if (previous != null)
{
_source = previous;
return(true);
}
return(false);
}
if (IsContent(container, node))
{
previous = node;
}
}
}
}
return(false);
}
public override bool MoveToNext()
{
XNode currentNode = _source as XNode;
if (currentNode != null)
{
XContainer container = currentNode.GetParent();
if (container != null)
{
XNode next = null;
for (XNode node = currentNode; node != null; node = next)
{
next = node.NextNode;
if (next == null)
{
break;
}
if (IsContent(container, next) && !(node is XText && next is XText))
{
_source = next;
return(true);
}
}
}
}
return(false);
}
public override bool MoveToPrevious()
{
XNode n = source as XNode;
if (n != null)
{
XContainer c = n.GetParent();
if (c != null)
{
XNode q = c.LastNode;
if (q.NextNode != n)
{
XNode p = null;
do
{
q = q.NextNode;
if (IsContent(c, q))
{
p = p is XText && q is XText ? p : q;
}
} while (q.NextNode != n);
if (p != null)
{
source = p;
return(true);
}
}
}
}
return(false);
}
public override bool MoveToNext(XPathNodeType type)
{
XNode n = source as XNode;
if (n != null)
{
XContainer c = n.GetParent();
if (c != null)
{
XNode content = c.LastNode;
int mask = GetElementContentMask(type);
if ((TextMask & mask) != 0 && c.GetParent() == null && c is XDocument)
{
mask &= ~TextMask;
}
while (n != content)
{
XNode next = n.NextNode;
if (((1 << (int)next.NodeType) & mask) != 0 && !(n is XText && next is XText))
{
source = next;
return(true);
}
n = next;
}
}
}
return(false);
}
public override bool MoveToNext(string localName, string namespaceName)
{
XNode n = source as XNode;
if (n != null)
{
XContainer c = n.GetParent();
if (c != null)
{
XNode content = c.LastNode;
while (n != content)
{
n = n.NextNode;
XElement e = n as XElement;
if (e != null &&
e.Name.LocalName == localName &&
e.Name.NamespaceName == namespaceName)
{
source = e;
return(true);
}
}
}
}
return(false);
}
public override bool MoveToNext()
{
XNode n = source as XNode;
if (n != null)
{
XContainer c = n.GetParent();
if (c != null)
{
XNode content = c.LastNode;
while (n != content)
{
XNode next = n.NextNode;
if (IsContent(c, next) && !(n is XText && next is XText))
{
source = next;
return(true);
}
n = next;
}
}
}
return(false);
}