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Re: Perl CGI and Template Toolkit

by Eliya (Vicar)
on Jan 03, 2012 at 20:58 UTC ( #946132=note: print w/ replies, xml ) Need Help??


in reply to Perl CGI and Template Toolkit

I don't think I can pass a HoH using MIME::Lite::TT::HTML.

Why do you think you can't?  What happens when you try?


Comment on Re: Perl CGI and Template Toolkit
Re^2: Perl CGI and Template Toolkit
by Perobl (Beadle) on Jan 03, 2012 at 21:20 UTC

    When I try to pass a reference to a HoH, it doesn't recognize it. It doesn't throw an error, but it doesn't display any of the data either.

    Also, while a bit vague, the TT2 documentation on CPAN mentions that TmplParams has to be a hash.

    It appears that this is an unfortunate limitation in MIME::Lite::TT::HTML. I'd really like to display this data using a table format, but it appears the best I can do is generate a comma delineated text field of the items in the CGI and then pass them in my existing hash.

    EDIT

    I mean hash reference in the above ... not hash.

      I'm pretty sure you're doing something else wrong.   As you can see below, MIME::Lite::TT::HTML is just passing through the respective hashref to TT2.  And TT2 can certainly handle HoHs (I've done it many times).

      $ pwd /home/eliya/tmp/MIME-Lite-TT-HTML-0.04 $ grep -r TmplParams . ./lib/MIME/Lite/TT/HTML.pm: TmplParams => \%params, ./lib/MIME/Lite/TT/HTML.pm:=head2 TmplParams ./lib/MIME/Lite/TT/HTML.pm: my $tmpl_params = delete $options->{ Tm +plParams }; $ grep -r '$tmpl_params' . ./lib/MIME/Lite/TT/HTML.pm: my $tmpl_params = delete $options->{ Tm +plParams }; ./lib/MIME/Lite/TT/HTML.pm: $tt->process( $template->{html}, $tmpl_ +params, \$html ) or croak $tt->error; ./lib/MIME/Lite/TT/HTML.pm: $tt->process( $template->{text}, $t +mpl_params, \$text ) or croak $tt->error;

      Could you show the code (with the HoH) you've tried?

        I've done it in TT2 many times too, but in this case I'm using MIME::Lite::TT::HTML. Have you actually tried to pass a HoH ref using this module?

        I know my HoH ref is good because I've tested it in the CGI. The resultant HoH ref doesn't work. The hash ref does work.

        If you're sure it can be done, and you can show me a working example of how it can be done, i'll buy you lunch :)

        Thanks.

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