/// <summary>
/// Must be called when an element node's children have been fully enumerated.
/// </summary>
public void WriteEndElement(bool allowShortcutTag)
{
XPathNodeRef nodeRef;
Debug.Assert(_pageParent != null && _pageParent[_idxParent].NodeType == XPathNodeType.Element);
// If element has no content-typed children except for the one about to be added, then
// its value is the same as its only text child's.
if (!_pageParent[_idxParent].HasContentChild)
{
switch (_textBldr.TextType)
{
case TextBlockType.Text:
// Collapsed text node can be created if text line number information can be encoded efficiently in parent node
if (_lineInfo != null)
{
// If collapsed text node is not on same line as parent, don't collapse text
if (_textBldr.LineNumber != _pageParent[_idxParent].LineNumber)
{
goto case TextBlockType.Whitespace;
}
// If position is not within 256 of parent, don't collapse text
int posDiff = _textBldr.LinePosition - _pageParent[_idxParent].LinePosition;
if (posDiff < 0 || posDiff > XPathNode.MaxCollapsedPositionOffset)
{
goto case TextBlockType.Whitespace;
}
// Set collapsed node line position offset
_pageParent[_idxParent].SetCollapsedLineInfoOffset(posDiff);
}
// Set collapsed node text
_pageParent[_idxParent].SetCollapsedValue(_textBldr.ReadText());
break;
case TextBlockType.SignificantWhitespace:
case TextBlockType.Whitespace:
// Create separate whitespace node
CachedTextNode();
_pageParent[_idxParent].SetValue(_pageSibling[_idxSibling].Value);
break;
default:
// Empty value, so don't create collapsed text node
_pageParent[_idxParent].SetEmptyValue(allowShortcutTag);
break;
}
}
else
{
if (_textBldr.HasText)
{
// Element's last child (one of several) is a text or whitespace node
CachedTextNode();
}
}
// If namespaces were added to this element,
if (_pageParent[_idxParent].HasNamespaceDecls)
{
// Add it to the document's element --> namespace mapping
_doc.AddNamespace(_pageParent, _idxParent, _pageNmsp, _idxNmsp);
// Restore the previous namespace chain
nodeRef = _stkNmsp.Pop();
_pageNmsp = nodeRef.Page;
_idxNmsp = nodeRef.Index;
}
// Make parent of this element the current element
_pageSibling = _pageParent;
_idxSibling = _idxParent;
_idxParent = _pageParent[_idxParent].GetParent(out _pageParent);
}