private void PushAncestors()
{
_navStack.Reset();
do
{
_navStack.Push(_navCurrent.Clone());
}while (_navCurrent.MoveToParent());
// Pop the root of the tree, since MoveToFollowing calls will never return it
_navStack.Pop();
}
private void PushAncestors()
{
Debug.Assert(_state == IteratorState.HaveCurrentHaveNext || _state == IteratorState.HaveCurrentNoNext);
_navStack.Reset();
do
{
_navStack.Push(_navCurrent.Clone());
}while (_navCurrent.MoveToParent());
// Pop the root of the tree, since MoveToFollowing calls will never return it
_navStack.Pop();
}
public void Create(XPathNavigator context, XmlNavigatorFilter filter)
{
XPathPrecedingDocOrderIterator wrapped = default;
wrapped.Create(context, filter);
_stack.Reset();
// Fetch all preceding nodes in document order and push them onto the stack
while (wrapped.MoveNext())
{
_stack.Push(wrapped.Current.Clone());
}
}
public void Create(XPathNavigator context, XmlNavigatorFilter filter, bool orSelf)
{
AncestorIterator wrapped = default;
wrapped.Create(context, filter, orSelf);
_stack.Reset();
// Fetch all ancestor nodes in reverse document order and push them onto the stack
while (wrapped.MoveNext())
{
_stack.Push(wrapped.Current.Clone());
}
}
/// <summary>
/// Initialize the NamespaceIterator.
/// </summary>
public void Create(XPathNavigator context)
{
// Push all of context's in-scope namespaces onto a stack in order to return them in document order
// (MoveToXXXNamespace methods return namespaces in reverse document order)
_navStack.Reset();
if (context.MoveToFirstNamespace(XPathNamespaceScope.All))
{
do
{
// Don't return the default namespace undeclaration
if (context.LocalName.Length != 0 || context.Value.Length != 0)
{
_navStack.Push(context.Clone());
}
}while (context.MoveToNextNamespace(XPathNamespaceScope.All));
context.MoveToParent();
}
}
public void Create(XPathNavigator context, XmlNavigatorFilter filter)
{
// Start at root, which is always first node in the document
_navCurrent = XmlQueryRuntime.SyncToNavigator(_navCurrent, context);
_navCurrent.MoveToRoot();
_stack.Reset();
// If root node is not the ending node,
if (!_navCurrent.IsSamePosition(context))
{
// Push root onto the stack if it is not filtered
if (!filter.IsFiltered(_navCurrent))
{
_stack.Push(_navCurrent.Clone());
}
// Push all matching nodes onto stack
while (filter.MoveToFollowing(_navCurrent, context))
{
_stack.Push(_navCurrent.Clone());
}
}
}
/// <summary>
/// Initialize the ContentMergeIterator (merge multiple sets of content nodes in document order and remove duplicates).
/// </summary>
public void Create(XmlNavigatorFilter filter)
{
_filter = filter;
_navStack.Reset();
_state = IteratorState.NeedCurrent;
}
