handle descent into complex data

diff --git a/br.pl b/br.pl
index 3bb6466..613687b 100644 (file)
--- a/br.pl
+++ b/br.pl
@@ -34,6 +34,7 @@ sub dispatch_request {
 
 sub structure {
   my ($self, $data) = @_;
+  return unless $data;
   if (ref($data) eq 'HASH') {
     if (keys %$data > 1
         and values %$data == grep ref($_) eq 'HASH', values %$data) {
@@ -43,46 +44,50 @@ sub structure {
         $data->{$_}->{name} ||= $_ for keys %$data;
         my @cols = grep $_ ne 'name', sort keys %{(values %$data)[0]};
         unshift @cols, 'name';
-        return {
+        return [{
           columns => \@cols,
           show_columns => 1,
           data => [ @{$data}{sort keys %$data} ],
-        }
+        }]
       }
     }
-    return {
+    return [{
       columns => [ 'key', 'value' ],
       data => [ map +{ key => $_, value => $data->{$_} }, sort keys %$data ],
-    };
+    }];
   } elsif (blessed($data) and $data->isa('IO::All::Dir')) {
-    return {
+    return [{
       columns => [ 'name', 'explore' ],
       data => [
         map +{ name => $_, explore => $self->link_to($_) }, keys %$data,
       ]
-    };
+    }];
   } else {
     die "Confused by $data";
   }
 }
 
 sub link_to {
-  my ($self, $to) = @_;
+  my ($self, @to) = @_;
   use HTML::Tags;
+  s/\//\./g for my @link = @to;
+  my $link = join('/', @link, '');
+  my $to = $to[-1];
   my $html = join '', HTML::Tags::to_html_string(
-    <a href="${to}/">, "Explore $to", </a>
+    <a href="${link}">, "Explore $to", </a>
   );
   return \$html;
 }
 
 sub descend {
   my ($self, $target, @path) = @_;
+  return unless $target;
   if (blessed($target) and $target->isa('IO::All::File')) {
     $target = $self->json->decode(scalar $target->all);
   }
   return $target unless @path;
-  my $step = shift @path;
-  $self->descend($target->{$step}, @path);
+  (my $undot = my $step = shift @path) =~ s/\./\//g;
+  $self->descend($target->{$step}||$target->{$undot}, @path);
 }
 
 sub render_table {
@@ -110,13 +115,15 @@ sub render_table {
 }
 
 sub render_el {
-  my ($self, $whole, $part) = @_;
+  my ($self, $whole, $key, $part) = @_;
   if (ref($part) eq 'ARRAY') {
     return join(', ', @$part);
   }
   if (ref($part) eq 'HASH') {
     if ($whole->{key}) {
       return $self->link_to($whole->{key})
+    } elsif ($whole->{name}) {
+      return $self->link_to($whole->{name}, $key);
     }
     $part = '(complex)';
   }