/// <summary>
/// Clears any elements that compare as equal based on the schema particles. For example, equivalent choice
/// items will be removed.
/// </summary>
public void Clear()
{
var enumerator = new OpenXmlCompositeElementEnumerator(this);
// We track an item to remove and do it after the enumerator is advanced to we don't try to remove
// the current element which would break the enumeration.
var remove = default(OpenXmlElement);
while (enumerator.MoveNext())
{
if (remove != null)
{
remove.Remove();
remove = null;
}
var data = enumerator.Current;
var current = _compiled.Find(data);
if (current != null && current.Equals(_elementPath))
{
remove = data;
}
}
if (remove != null)
{
remove.Remove();
}
}
private OpenXmlElement GetNode()
{
var enumerator = new OpenXmlCompositeElementEnumerator(this);
while (enumerator.MoveNext())
{
var data = enumerator.Current;
var compared = _elementPath.CompareTo(enumerator.Path);
if (compared < 0)
{
return(data.PreviousSibling());
}
else if (compared == 0)
{
var result = enumerator.Current;
while (enumerator.MoveNext() && enumerator.Path.Equals(_elementPath))
{
result = enumerator.Current;
}
return(result);
}
else if (data == _element.LastChild)
{
return(data);
}
}
return(null);
}
