Re: Provider.pm: Can't use an undefined value

[Tom Schindl]

Francesc Guasch wrote:
Tom Schindl wrote:
Francesc Guasch wrote:
Hi. I want to use the Axkit and Mason. Mason runs fine,
but I got this error when I try to access to an AxKit page:

Hi Tom, thank you for answering me.
Can you show me the line 282 in your Provider.pm? On my system the 
error at this position doesn't make any sense.

 my @xml_stylesheet = @{$bits->[0]};
The context :
    if ($@) {
        my $strref = $self->get_strref();
        AxKit::Debug(4, "calling xs_get_styles_str()");
        $bits = xs_get_styles_str($self->apache_request, $$strref);
    }
Ok. Now we now that the "error" happens in XS-Code the line of interest 
is the following:

------------------8<------------------
ptr = SvPV(xmlstring, len);
...
if (!ptr || len < 4) {
  XSRETURN_UNDEF;
}
------------------8<------------------
This simply means that you don't pass in any meaningful xml-string. 
Still what really bothers me here is that AxKit doesn't croak before 
returning undef.

if ($@) {
  AxKit::Debug(4, "Trying to get xml as string ref");
  my $strref = $self->get_strref();
  AxKit::Debug(4, "calling xs_get_styles_str()");
  AxKit::Debug(4, "XML-File 2 parse: " . $$strref);
  $bits = xs_get_styles_str($self->apache_request, $$strref);
  AxKit::Debug(4, "Retrieved styles; " . $bits );
}
I have not worked with filters my self so I not of much help for you 
from this point on.

Tom
    my @xml_stylesheet = @{$bits->[0]};
    my %attribs = @{$bits->[2]};
    my $element = $bits->[1];


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