///<summary>
///When overridden in a derived class, moves the <see cref="T:System.Xml.XPath.XPathNavigator"></see> to the parent node of the current node.
///</summary>
///
///<returns>
///Returns true if the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is successful moving to the parent node of the current node; otherwise, false. If false, the position of the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is unchanged.
///</returns>
///
public override bool MoveToParent()
{
if (fCursor.ParentIterator != null)
{
fCursor = fCursor.ParentIterator;
return(true);
}
return(false);
}
///<summary>
///When overridden in a derived class, moves the <see cref="T:System.Xml.XPath.XPathNavigator"></see> to the same position as the specified <see cref="T:System.Xml.XPath.XPathNavigator"></see>.
///</summary>
///
///<returns>
///Returns true if the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is successful moving to the same position as the specified <see cref="T:System.Xml.XPath.XPathNavigator"></see>; otherwise, false. If false, the position of the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is unchanged.
///</returns>
///
///<param name="other">The <see cref="T:System.Xml.XPath.XPathNavigator"></see> positioned on the node that you want to move to. </param>
public override bool MoveTo(XPathNavigator other)
{
if (other is SifXPathNavigator)
{
SifXPathNavigator sxn = (SifXPathNavigator)other;
fCursor = sxn.fCursor.Clone();
return(true);
}
return(false);
}
///<summary>
///When overridden in a derived class, moves the <see cref="T:System.Xml.XPath.XPathNavigator"></see> to the first attribute of the current node.
///</summary>
///
///<returns>
///Returns true if the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is successful moving to the first attribute of the current node; otherwise, false. If false, the position of the <see cref="T:System.Xml.XPath.XPathNavigator"></see> is unchanged.
///</returns>
///
public override bool MoveToFirstAttribute()
{
INodeIterator iterator = fCursor.Current.GetAttributes();
if (iterator != null)
{
NavigableIterator navIterator = new NavigableIterator(iterator, fCursor);
if (navIterator.MoveNext())
{
fCursor = navIterator;
return(true);
}
}
// No Attributes defined
return(false);
}
INavCursor INavCursor.Clone()
{
INodeIterator clonedIterator = fCurrentIterator.Clone();
INavCursor clonedParent = null;
if (fParentIterator != null)
{
clonedParent = fParentIterator.Clone();
}
INodePointer clonedPointer = null;
if (fCurrentPointer != null)
{
clonedPointer = fCurrentPointer.Clone();
}
return(new NavigableIterator(clonedIterator, clonedParent, clonedPointer));
}
private NavigableIterator(INodeIterator wrappedIterator, INavCursor parentIterator, INodePointer current)
{
fCurrentIterator = wrappedIterator;
fParentIterator = parentIterator;
fCurrentPointer = current;
}
public NavigableIterator(INodeIterator wrappedIterator, INavCursor parentIterator)
{
fCurrentIterator = wrappedIterator;
fParentIterator = parentIterator;
}
/// <summary>
/// Creates an instance of SIFXPathNavigator
/// </summary>
/// <param name="context">The SIFXPathContext around this navigator</param>
/// <param name="pointer">The pointer that this navigator initial points to </param>
internal SifXPathNavigator(SifXsltContext context, INodePointer pointer)
{
fParentContext = context;
fNameTable = new NameTable();
fCursor = new RootCursor(pointer);
}
/// <summary>
/// Creates an instance of SIFXPathNavigator
/// </summary>
/// <param name="context">The SIFXPathContext around this navigator</param>
/// <param name="nameTable">The nametable</param>
/// <param name="cursor">The cursor</param>
private SifXPathNavigator(SifXsltContext context, XmlNameTable nameTable, INavCursor cursor)
{
fParentContext = context;
fNameTable = nameTable;
fCursor = cursor;
}
