$|=1;
use XML::Rules;
$xml = <<'*END*';
<doc boo="789">
<person active="1">
<fname>Jane</fname>
<lname>Luser</lname>
<email>JLuser@bogus.com</email>
<address>
<street>Washington st.</street>
<city>Old Creek</city>
<country>The US</country>
<bogus>bleargh</bogus>
</address>
</person>
<person active="0">
<fname>John</fname>
<lname>Other</lname>
<email>JOther@silly.com</email>
<address>
<street>Grant's st.</street>
<city>New Creek</city>
<country>Canada</country>
<bogus>sdrysdfgtyh <foo>degtrhy werthy</foo> drthyu</bogus>
</address>
</person>
</doc>
*END*
use Data::Dumper;
%rules = (
_default => 'raw',
'^bogus' => undef, # means "ignore". The subtags ARE NOT processed.
'^person' => sub {
return $_[1]->{active};
},
person => sub {
if (not exists($_[3]->[-1]{':printed'})) {
print $_[4]->parentsToXML();
$_[3]->[-1]{':printed'} = 1;
}
print $_[4]->toXML($_[0], $_[1]), "\n";
},
doc => sub {
print "</doc>\n";
}, #'pass no content',
);
my $parser = new XML::Rules (
rules => \%rules,
# other options
);
my $result = $parser->parsestring($xml);