Hi,
I am new to this mailing list. I am facing the following problem/issue with
Xerces on Mac.
--
I am extracting DOMNodeLists for 4 different tags from a DOM document.
I know these DOMNodeLists are "live" (pointers to the DOM tree). I am
not changing anything, and am just getting some information out of
those lists.
But, the behaviour is not as expected. I get "unmapped memory
exception" on the 2nd "doc->getElementByTagName(tag)" statement. I
don't know why that (memory corruption) happens. Either there is a
problem with my understanding of the usage of Xerces or there's a
serious problem with Xerces on Mac.
Could someone please help me here? I had decided to use Xerces for XML
parsing in my project and it would be hard to back out.
Here is some of the code I wrote. It's pretty simple.
---------------------------------------------------------------------
int ParserMain()
{
.......
doc = parser->parseURI(xmlFile);
.......
if(doc)
{
ParseHeader(doc);
ParseFontTable(doc);
ParsePreferences(doc);
}
.....
parser->release();
XMLPlatformUtils::Terminate();
}
---------------------------------------------------------------------
void ParseHeader(DOMDocument *doc)
{
XMLCh tag[] = L"header";
unsigned int nH = 0, len = 0;
DOMNodeList *HList = doc->getElementsByTagName(tag);
if((nH = HList->getLength()) >= 1)
{
for(unsigned int i=0; i<nH; i++)
{
DOMNode *firstChild = HList->item(i);
firstChild = (HList->item(i))->getFirstChild();
while(firstChild!=NULL)
{
bool bHasCNodes = firstChild->hasChildNodes();
if(bHasCNodes==true)
{
DOMNode *tmp = firstChild->getFirstChild();
if(tmp!=NULL)
{
if(strcmp(tempNodeName, "id")==0)
{
XMLString::copyString(stHeader.id,
XMLString::transcode(tmp->getNodeValue()));
}
else if(strcmp(tempNodeName, "title")==0)
{
XMLString::copyString(stHeader.title,
XMLString::transcode(tmp->getNodeValue()));
}
}
}
firstChild = firstChild->getNextSibling();
}//while ends
}//for ends
}//if ends
}
---------------------------------------------------------------------
I have a few routines which are doing similar things. And execution of
2nd/3rd such routine gives me an exception.
Thanks,
RK
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