////////////////////////////////////////////////////////////////////////////
// Function: Walk all the Elements in a loaded XML document.
////////////////////////////////////////////////////////////////////////////
HRESULT CXMLDocument::WalkTree(CString& strSearchPattern)
{
HRESULT hr = S_OK;
if (strSearchPattern.IsEmpty())
{
MSXML::IXMLDOMNodePtr pNode = m_pDoc;
if (pNode == NULL)
return E_FAIL;
hr = WalkTree(0/*iLevel*/, pNode);
}
else
{
//j ("//video");
//j ("//video[@id='crap1']");
//j ("//video[@id='crap1']");
// filter the nodes using the search pattern
MSXML::IXMLDOMNodeListPtr pNodeList = NULL;
hr = m_pDoc->selectNodes(CComBSTR(strSearchPattern), &pNodeList);
hr = CheckHR(hr, "in the search pattern");
// get the length of the resulting node list
if (pNodeList)
{
long lLength;
hr = pNodeList->get_length(&lLength);
hr = CheckHR(hr, "retrieving node list length");
MSXML::IXMLDOMNodePtr pNode = NULL;
for (long i = 0; i < lLength; i++)
{
hr = pNodeList->get_item(i, &pNode);
hr = WalkTree(0/*iLevel*/, pNode);
}
}
}
return hr;
}
