my $self = shift;
_add_message($self, $_) foreach @{$self->{messages}};
my $id_table = delete $self->{id_table};
- $self->{rootset} = [ grep { !delete $_->{parent} } values %$id_table ];
+ $self->{rootset} = [ grep {
+ !delete($_->{parent}) && $_->visible } values %$id_table ];
}
sub _get_cont_for_id ($$) {
0;
}
+# Do not show/keep ghosts iff they have no children. Sometimes
+# a ghost Message-ID is the result of a long header line
+# being folded/mangled by a MUA, and not a missing message.
+sub visible ($) {
+ my ($self) = @_;
+ $self->{smsg} || scalar values %{$self->{children}};
+}
+
sub order_children {
my ($cur, $ordersub) = @_;
- my %seen = ($cur => 1);
+ my %seen = ($cur => 1); # self-referential loop prevention
my @q = ($cur);
while (defined($cur = shift @q)) {
my $c = $cur->{children}; # The hashref here...
- $c = [ grep { !$seen{$_}++ } values %$c ]; # spot/break loops
+ $c = [ grep { !$seen{$_}++ && visible($_) } values %$c ];
$c = $ordersub->($c) if scalar @$c > 1;
$cur->{children} = $c; # ...becomes an arrayref
push @q, @$c;