Carving out a subset of XML content into a separate XML file

[Bhat]

Hi,

I have written a small function that dumps portions of the DOM tree (rooted
at nodes with the specified tag name) to a file [see below].  Obviously the
output file does not have a root node.  How can I make the output file a
proper XML file (with a single root node)?  I have tried a few things, but
nothing seems to work.  My function follows:


#define SPECIFIED_TAG “yadayada”


void
serializeSubtree (DOMNode* node, DOMWriter *theSerializer, XMLFormatTarget
*target)
{
  if(!node) return;

  const char* name = XMLString::transcode(node->getNodeName());

  if(!strcmp(name, SPECIFIED_TAG))
  {
    theSerializer->writeNode(target, *node);
  }

  for (DOMNode* childNode (node->getFirstChild ()); childNode;
           childNode = childNode->getNextSibling ())
  {
    serializeSubtree(childNode, theSerializer, target);
  }
}


Thanks,
Kong

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