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Re: autotie CGI::SSI to CGI::Application output

by ryan (Pilgrim)
on Feb 13, 2003 at 05:14 UTC ( #234905=note: print w/replies, xml ) Need Help??

in reply to autotie CGI::SSI to CGI::Application output

OK, I'll have a go at my own question then :)

The reason for this is the HTML templates were rather 'pretty' and had a heap of nested tables in them that was just too much code to duplicate. So I wanted a way to call a function from within the template that can accept a parameter and produce the code for the table with the parameter as the title of the table.

In the end I found that HTML::Template::Expr can do this so I modified CGI::Application to use HTML::Template::Expr instead of HTML::Template and it all went well. It was just a simple substitution of the module name in two spots.

I know this is not a good use of templating technology, both I and the HTML::Template author agree there - but this particular case called for it.

The actual code in the CGI::Application module was a declaration of the template functions and their related subs:

HTML::Template::Expr->register_function(box => \&box); sub box { #read in other templates to costruct table header #use parameters to decide if it is the start or the #end of the box and what title to use etc. }
Then in the templates:
<!-- TMPL_VAR expr="box('box-start','Table title')" --> table contents here <!-- TMPL_VAR expr="box('box-end')" -->
Ugly, but it works and reduces the template code size to about half :)

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