?? ? <> wrote:
> Hello,
>
> I'm making a script generating HTML for Perl tree structure with <ul>
> & <li>.
>
> For Example,
>
> $ref->{A1}->[ 'B1', 'C1' ];
> $ret->{B1}->[ 'B2' ];
> $ret->{B2}->[ 'B3' ];
> $ret->{C1}->[ 'C2' ];
>
> The HTML for 'A1' is like below...
>
> <HTML>
> <head>
> <title>TREE For A1</title></head>
> <BODY>
> <DL>
> <UL>A1
> <UL><LI>B1
> <UL><LI>B2
> <UL><LI>B3
> </UL>
> </UL>
> <LI>C1
> <UL><LI>C2
> </UL>
> </UL>
> </UL>
> </DL>
> </BODY></HTML>
>
> Is there a module like this already?
I would be surprised, as your requirement seems quite specific, however
search.cpan.org is your friend. A quick search showed me
Data::HTMLDumper, which looks like it might be persuaded to do what you
want.
But then again, the following didn't take long to knock up. May not be
perfect, but it's a start:
-----------------------------------------------
use strict;
use warnings;
use CGI::Pretty qw{:standard};
my $ref = {A1 => [qw{B1 C1}],
B1 => ['B2'],
B2 => ['B3'],
C1 => ['C2']};
print start_html;
print head("Test");
print dump_ref($ref);
print end_html;
sub dump_ref {
my $r = shift;
if (ref($r) eq 'HASH') {
return ul(map {li($_), dump_ref($r->{$_})} sort keys %$r)
}
elsif (ref($r) eq 'ARRAY') {
return ul(map {dump_ref($_)} @$r)
}
elsif (ref($r) eq '') {
return li($r);
}
else {
die "Unexpected ref ", ref($r), "\n";
}
}
-----------------------------------------------
HTH
--
Brian Raven
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