Re: XFastParser - next steps ...

Hi Mohammed,

        Let me CC the dev list on the fag-end of this conversation; hopefully
it will get more interesting over time =)

On Mon, 2016-06-27 at 22:01 +0530, Mohammed Abdul Azeem wrote:
> I'm looking into the code paths which misuses defined namespaces
> without resolving them. I will make test cases to cover them. 

        Ah - right =)

> Sure we can do this, but it would only account for element's namespace
> and not attributes namespaces. Also some of the implementations of
> XDocumentHandler expects namespace declaration( looking for "xmlns" )
> and tries to resolve them, and I think this approach wouldn't cover
> all the namespace declaration.

        Ah ! fair enough - then (I guess) we need to implement a new
XFastNamespaceHandler which we can register with a setNamespaceHandler()
call on XFastParser - and which can be NULL for all the interesting
cases where we need to be truly fast =)

        Then (I guess) we could pass namespace prefixed names through for the
unknown attributes so eg. "office:foo" - and still have the information
we need to properly resolve them.

        Failing that (I guess) - we could as you've done push xmlns: statements
through in attributes - it would best match the css::xml::Attribute
approach that expat_wrap used in the past - and would simplify things
for us.

        In this case - I'd want to see:

        a) comprehensive test cases, with assertions for all
           code-paths.
        b) never creating these or slowing code-paths where
           the XFastParser is being used and tokenizing correctly
           and really needs to be fast.

        I fear that b) is not met by the previous patch.

        Thoughts ? =)

        ATB,

                Michael.

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