[Zope] DTML reformulated as XML (was RE: [Zope] <% ... %> ?)

[Jim Fulton]

Tony McDonald wrote:
> 
(snip)
> >
> > Here's one thing in DTML that would be awfully obscure in XML:
> >
> > <a href="<!--#var BASE1-->">
> >
> > That is, putting a tag inside an attribute.  Chris Petrilli and Jim
> > talked about this today, perhaps as as entity references.
> >
> 
> That'd be ok for the Zope variables that take no arguments (BASEn, URLn
> etc.) ie map BASE1 to &BASE1; but what about Zope variables that take
> attributes, eg ZopeTime fmt=whatever (for example, you'd use this awful
> construct to create a URL that had subparts such as /990612/)
> 
> A very hairy problem.

Nah.

  <dtml-let yy="ZopeTime().yy()"  mm="ZopeTime().mm()"  dd="ZopeTime().dd()">
    <a href="&dtml-URL1;/&dtml-yy;&dtml-mm;&dtml-dd;/">...</a>
  </dtml-let> 

 
(snip)
> > For instance, instead of saying <!--#var standard_html_header-->, which
> > means insert a subdocument, why not use the XLink syntax from XML?
> >
> 
> Would that not imply Zope parsing all elements in a page/object looking for
> attributes called xml:link?

Yes, but in an XML variant of Zope, this would merely involve walking an 
object tree.

> Isn't this a largeish overhead?

Not really.

Jim

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