DOMParsing question

["Vijay S. Bajwa" <vi...@citigroup.com>]

Say I have a simple XML:
<?xml version="1.0" encoding="UTF-8"?>
<!--Sample XML file generated by XMLSpy v2007 (http://www.altova.com)-->
<cnclMsg xsi:noNamespaceSchemaLocation="GTS-Oasys.xsd" xmlns:xsi="http://www.w3.
org/2001/XMLSchema-instance">
    <msgHdr>
        <dateTime>4294967295</dateTime>
        <institution>a</institution>
        <broker>a</broker>
        <reference>100001</reference>
        <version>4096</version>
        <brkrIntRef>aaaaaaaaaaaaaaaa</brkrIntRef>
        <instIntRef>aaaaaaaaaaaaaaaa</instIntRef>
    </msgHdr>
    <comment>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</comment>
</cnclMsg>

I have parsed it and created a DOM tree. No I want to walk it and extract the 
data. I tried this general strategy. The trouble is that, for the msgHdr 
element node, I am able to get the "name" and then, I guess I will parse out 
this element. However, for the "comment" node, it does not give me any name, 
just something like "text" or something like that. Is there any way to get the 
name of a text node? The other alternative is to call getElementsByTagName() of 
which I have heard bad things. Appreciate your helpful comments!


  DOMElement* rootElmnt = doc->getDocumentElement() ;
  DOMElement* tmp;

  DBGOUT << "Root element: " << StrX(rootElmnt->getTagName()) << ENDL

  for (child = rootElmnt->getFirstChild(); child != 0;
       child=child->getNextSibling())
  {
    // equivalent to typeof check and static cast
    if ( ! (tmp = dynamic_cast<DOMElement*>(child)) )
      continue;

    name = StrX(tmp->getTagName()).localForm() ;

    DBGOUT << funcName << ": node name: " << name << ENDL

    if (strcmp(name, msgHdr) == 0) {
      get_msgHdr (tmp, &cncl->hdr, &cncl->trade_hdr);
    }
    else if (strcmp(name, comment) == 0) {
      val = StrX(tmp->getNodeValue ()).localForm();
      int len = MIN (OAS_COMMENT_SIZE, strlen(val) );
      strncpy (cncl->comment, val, len);
    }
}

Thanks!
Vijay


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