Re: [Tclxml-users] newbie basic question using parser to extract Tag names and characterdata together...

[Anthony G <ant...@gm...>]

I am new to TCLXML and would be very greatfull for some basic examples.   If
I use TCLDOM, does that work on raw XML?  Or does the XML need to be put
into some other format?

thank you in advance for your help,

 -Anthony

On 2/1/07, Steve Ball <Ste...@ex...> wrote:
>
> Hi Anthony,
>
> TclXML gives you a streaming interface, which means that your
> application must keep track of the state of the parser as it goes
> through the document structure.  So you have to use *both* the tags
> and data to make it all work together.
>
> If you're worried about making that work, then consider using TclDOM
> instead.  With a DOM tree the context has already been built for you.
>
> If you're feeling more adventurous, you could develop a solution that
> uses a combination of XSLT and Tcl, based on TclXSLT.  A lot of code
> that I write these days uses an XSL stylesheet to process the XML
> document, and the result of the stylesheet is a Tcl script that the
> Tcl application eval's.
>
> Hope that helps,
> Steve Ball
>
> On 01/02/2007, at 10:33 AM, Anthony G wrote:
>
> > Hello TCLXML experts :)
> >
> > I have been searching for a few days online for tutorials on how to
> > use TCLXML and I have a very basic task.  I want to be able to take
> > an xml file say like this
> >
> > <MY_STRUCTURE>
> >  <TAG2> tag2 data </TAG2>
> >  <TAG3> tag3 data </TAG3>
> >  <TAG4>
> >    <TAG5> tag5 data </TAG5>
> >    <TAG6> tag6 data </TAG6>
> >  </TAG4>
> > </MY_STRUCTURE>
> >
> > and export the data above into a data structure, say a list or
> > maybe even a hastable (TCL ARRAY)
> >
> > for example I would want to create an array
> >
> > MYSTRUCTURE
> >
> > with the index's based on the TAGS that fall under it example
> >
> > set MYSTRUCTURE(TAG2) "tag2 data"
> > set MYSTRUCTURE(TAG3) "tag3 data"
> > set MYSTRUCTURE(TAG4,TAG5) "tag5 data"
> > set MYSTRUCTURE(TAG4,TAG6) "tag6 data"
> >
> > or something like this... where the index indicates level...
> >
> > what I have seen so far is that I can use the xml::parser to pull
> > out tags and data, but none at the same time...
> >
> > set parser [::xml::parser -characterdatacommand cdata] <--- will
> > pull out data between tags
> > set parser2 [::xml::parser -elementendcommand cdata2] <--- will
> > give me names of tags after END is hit...
> >
> > is there a way to combine the functionality of these so that I can
> > see what data falls under which tags?
> >
> > Thank you for your help and have a great day
> >
> >  -Anthony
> >
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