Re: [xml] how to advance the xmlParserInput.cur?

[Daniel Veillard <veillard redhat com>]

On Sat, Mar 11, 2006 at 11:00:01PM -0500, Wei Lu wrote:
> Hi there
>       I have a strang requirement for libxml2. During parsing a XML
> document in the memory at some point I want to the parser to skip parsing
> a chunk of memory, which is somehow guarnteed to just include a
> well-balanced sub-tree. I modified the xmlParseContent function to skip a
> chunk of memory when it detected a open tag. Any body can tell me the
> correct and safe method to do that.

  By definition it's not correct, it's not an XML parser anymore, "somehow
it's XML" is not something I feel okay to provide help for. What do you intend
to do with this bastardized code ?

> By guess I tried the
> xmlParserInputGrow, which seems doesn't change the xmpParserInput.cur at
> all; Now my work around is just increaing the xmlParserInput.cur directly,
> seems works well, but when file size is large, I got segment fault.
>
> Any clue is appreciated.

  You will need to refill the buffers if you get outside of the chunk
already availble in xmpParserInput. It is *not* trivial, encoding will
play a role too.

Daniel

-- 
Daniel Veillard      | Red Hat http://redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/