Re^2: How to return two and more values by parsing XML with XML::Rules?

[vagabonding electron]

in reply to Re: How to return two and more values by parsing XML with XML::Rules?
in thread How to return two and more values by parsing XML with XML::Rules?

Sorry, I did not mention that I have run

'Capacities_Outpatient_Clinic_Special' => 'pass',

before the mentioned chunk of the script.
Thank you for pointing that out.
Apart from that this is a fragment of a script that actually runs (only with fields translated into English). The above rule should not affect the code fragment however, perhaps I overook another mismatch?
Update
It must be the result presentation that has to be adjusted in my fragment - it should be:

- Outpatient_Services:
    AM11: 1
    AM07: 1
    AM04: 1

[Anonymous Monk]

I was referring to the yaml, and FWIW, ysh doesn't like that YAML, which I assume is supposed to be
<Reveal this spoiler or all in this thread>

This is what I came up with, which took waaay too long, the rules are hard to remember

#!/usr/bin/perl --
use strict; use warnings;
use XML::Rules;
use Data::Dump qw/ dd /;

my $ta = XML::Rules->new(
    qw/ stripspaces 8 /,
    rules => {
'Outpatient_Services' =>  'no content',
  'Outpatient_Service' => 'as array no content',
#~     'Outpatient_Clinic' => 'content by AM_Key',
    'Outpatient_Clinic' => sub {
#~ $rule->( $tag_name, \%attrs, \@context, \@parent_data, $parser)
#~ my ($tagname, $attrHash, $contexArray, $parentDataArray, $parser) =
+ @_;
        my $amk = $_[1]->{AM_Key} ;
        return unless $amk;
        { $amk => 1 };
    },
#~         _default => sub { $_[0] => $_[1]->{_content} },
        _default => 'content',
        'Outpatient_Clinic_Special' => undef,
    },

);

my $ref = $ta->parsefile( 'pm1002448.xml' );
dd $ref;
use YAML(); print YAML::Dump( $ref);
__END__
{
  Outpatient_Services => {
    Outpatient_Service => [
      { AM01 => 1 },
      { AM01 => 1 },
      { AM02 => 1 },
      {},
      { AM04 => 1 },
      {},
    ],
  },
}
---
Outpatient_Services:
  Outpatient_Service:
    - AM01: 1
    - AM01: 1
    - AM02: 1
    - {}
    - AM04: 1
    - {}

[vagabonding electron]

Thank you very much!
I noticed now ( but somewhat late :-) ) that your point was yaml output. I have corrected the output presentation in the original post and in the reply to your post.
My main problem however ist that I need to represent the LK-Keys at the same hierarchy level as the AM-Keys. That is, I do need the Outpatient_Clinic_Special infos.
Thank you again for your time I will try to build on your code.

[Anonymous Monk]

My main problem however ist that I need to represent the LK-Keys at the same hierarchy level as the AM-Keys.

Your updated output doesn't show that. Only AM04 is found in your sample data.

Anyway, see Re: How to return two and more values by parsing XML with XML::Rules?, save the key callback

    my $amlk = sub {
      print $_->xpath, "\n";
      push @amk, $_->trimmed_text;
    };

Then register some twig_handlers

        'AM_Key' => $amlk,
        'LK_Key' => $amlk,