Nmap Development: Re: PostgreSQL patch

[Brett Hutley <brett () hutley net>]

Max Schubert wrote:

> Forwarding this to the list ... Jean-Marc corrected my comment about SAX working
> with streams ... thank you.
>
>  
>
> > Yes, but a lot of C parser aren't free/open...
> > I know some, most known is Expat... But, to work, it have to get the =
> > whole file/string, even if it does a sax-based parsing...
Actually, I think expat WILL work with streams.
Here is the prototype from xmlparse.h:

/* Parses some input. Returns 0 if a fatal error is detected.
The last call to XML_Parse must have isFinal true;
len may be zero for this call (or any other). */
int XMLPARSEAPI XML_Parse(XML_Parser parser, const char *s, int len, int 
isFinal);
So... basically you read from your stream to a buffer. Call XML_Parse 
with isFinal set to 0 with your buffer, and repeat until you reach 
end-of-stream. You're callbacks will be called as expat parses the input.
Cheers, Brett



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