Re: H::T::Expr and escape

On Fri, 14 Apr 2006, Michael Peters wrote:

> So by making the "parser smart enough" do you mean copying that huge
> regex from H::T and modifying it with the expr regex?

Yeah, or using Parse::RecDescent.  H::T::E already uses it for
expressions, so using it for parsing the template itself might not be
much slower.

> It looks like it also doesn't support 'default'.

What the heck would default do for expressions?  I can't think of
anything reasonable...  There's no single variable to examine for a
value in the general case.

> A very simple approach would be to take any tmpl_vars/loops, etc that
> use expr and capture anything before the expr="..." and after it and
> then just add them to the generated tags. This however doesn't solve the
> sub-ref problem.

What's the sub-ref problem?

-sam


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