[Petal] new() or process() on a string rather than a file?

Wed Sep 27 04:10:22 BST 2006

Well, I started looking into the Petal code, and it looks like this wouldn't be
too difficult... in fact, I already have it working after making just a few very
quick ( and dirty ) changes:

corey at scanner ~ $ cat  test_string.pl
#!/usr/bin/perl
use strict;
use warnings;

use Petal;

my ( $input, $petal, $output );

$input = 'a is: ${my_var}';

$petal = Petal->new(
   'string'       => $input,
   'disk_cache'   => 0,  # necessary to avoid warnings
   'memory_cache' => 0,  # necessary to avoid warnings
);

$output = $petal->process( 'my_var' => 'Woot!' );

print "$output\n";

corey at scanner ~ $ ./test_string.pl
a is: Woot!

... anyone interested in seeing this officially go into Petal?

On Tuesday 26 September 2006 19:03, Corey wrote:
> 
> Subject says it all - what if I have a string that I'd like to process
> using Petal? How do I do so?  It appears that Petal only supports
> processing external files?
> 
> What if my template was stored in a database, then retrieved with
> the DBI into a variable?
> 
> It seems that it would be extremely useful to be able to do something
> along the lines of:
> 
> # or assume this came from some other datasource, like a database
> $input = '
> <html xmlns:tal="http://purl.org/petal/1.0/">
>     <body tal:content="bar">Dummy Content</body>
> </html>
> ';
> 
> # obviously, this does not work:
> $template = Petal->new( $input );
> 
> $output = $template->process ( bar => 'BAZ' );
> 
> print $output;
> 
> 
> Which would print:
> 
> <html>
>    <body>BAZ</body>
> </html>
> 
> 
> Did I miss what I'm looking for in the docs somewhere?  Or if not, is there
> some specific reason why processing a string rather than a file is not made
> possible via Petal?
> 
> 
> Many thanks!
> 
> Corey
> 
> 
> 
> 