Hi you,
A very quick&dirty answer:
what about MACRO's ?
Have a look, can be useful.......
But, yeah, I'm not sure this really what you want to hear...
HTH,
kktos
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, August 14, 2001 9:23 AM
Subject: [Templates] Calling subroutines and defining hash references
>
>
> Hi all
>
> I already asked the question below some time ago but I didn't receive an
> answer. I think it maybe a problem similar to the one diskussed in 'What
> am I missing with using variables as hash keys in Template?' asked by
James
> Moore, so I post this question one more time.
>
> I have some problems, calling perl-subroutines from within a template. I
> have a module with subroutines, which are called with a hash-reference as
> their only parameter. I woud like to use TT to generate a graphics-program
> from a program-template and a template-file with parameters for the
> program-generation. I would like to have all the parameter definitions in
> the template-file and not in a special perl-skript, so I could only change
> the template-file to have a different graphics-program generated. It would
> be nice to define subroutine-references and hash-references in a
> templatefile, but I see no easy way to do this. (The subroutines will
> themselfe generate some more complex parts of the graphics-programcode.)
>
> The only solution I found until now, is to define references to my
> subroutines in the calling perl-skript and to define the parameters in the
> following way:
>
> perl-skript:
>
> my $vars = {
> # gr_draw_object is a routine with a hashreference as parameter
> gr_draw_object => \&gr_draw_object,
> };
>
> # process input template, substituting variables
> $template->process($input, $vars) || die $template->error()
>
>
>
> template with parameterdefinitions:
>
> [% stringdef="Teststring" %]
>
> [%
> objectdefinition_1 = draw_object(object => "string", loctype => "view",
> def => "Objekt 1")
> objectdefinition_2 = draw_object(object => "string", loctype => "view",
> def => "${stringdef}")
> %]
>
>
>
> In the graphics-program-template I have things like
>
> ... graphic-commands
>
> [% objectdefinition_1 %] ... more commands.
>
>
>
> I see no way to define and use a hash and a hashreference with the
> parameters for the subroutine in the template itself or to define a
> subroutine-reference in the template. I think you could really use this
> kind of definitions to be able to generate rather complex things only
> driven by parameter-templates with no requirement to change some
perl-code.
>
>
>
> Any ideas, help, comments ?
>
> Thank you
>
> Matthias Dillier
>
>
>
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