@ $attr";
if ($nr_c) {
my $cmid = $children->[0]->{id};
$rv .= $pad . $mapping->{$cmid}->[0];
if ($nr_c > 2) {
my $s = ($nr_c - 1). ' more replies';
$rv .= pad_link($cmid, $level + 1, $s);
} elsif (my $cn = $children->[1]) {
$rv .= $pad . $mapping->{$cn->{id}}->[0];
}
}
my $next = $siblings->[$idx+1] if $siblings && $idx >= 0;
if ($next) {
my $nmid = $next->{id};
$rv .= $pad . $mapping->{$nmid}->[0];
my $nnext = $nr_s - $idx;
if ($nnext > 2) {
my $s = ($nnext - 1).' subsequent siblings';
$rv .= pad_link($nmid, $level, $s);
} elsif (my $nn = $siblings->[$idx + 2]) {
$rv .= $pad . $mapping->{$nn->{id}}->[0];
}
}
$rv .= $pad ."$s_s, $s_c; $ctx->{s_nr}\n";
}
sub walk_thread {
my ($rootset, $ctx, $cb) = @_;
my @q = map { (0, $_, -1) } @$rootset;
while (@q) {
my ($level, $node, $i) = splice(@q, 0, 3);
defined $node or next;
$cb->($ctx, $level, $node, $i);
++$level;
$i = 0;
unshift @q, map { ($level, $_, $i++) } @{$node->{children}};
}
}
sub pre_thread {
my ($ctx, $level, $node, $idx) = @_;
$ctx->{mapping}->{$node->{id}} = [ '', $node, $idx, $level ];
skel_dump($ctx, $level, $node);
}
sub thread_index_entry {
my ($ctx, $level, $mime) = @_;
my ($beg, $end) = thread_adj_level($ctx, $level);
$beg . '' . index_entry($mime, $ctx, 0) . '
' . $end;
}
sub stream_thread ($$) {
my ($rootset, $ctx) = @_;
my $inbox = $ctx->{-inbox};
my $mime;
my @q = map { (0, $_) } @$rootset;
my $level;
while (@q) {
$level = shift @q;
my $node = shift @q or next;
my $cl = $level + 1;
unshift @q, map { ($cl, $_) } @{$node->{children}};
$mime = $inbox->msg_by_smsg($node->{smsg}) and last;
}
return missing_thread($ctx) unless $mime;
$ctx->{-obfs_ibx} = $inbox->{obfuscate} ? $inbox : undef;
$mime = PublicInbox::MIME->new($mime);
$ctx->{-title_html} = ascii_html($mime->header('Subject'));
$ctx->{-html_tip} = thread_index_entry($ctx, $level, $mime);
PublicInbox::WwwStream->response($ctx, 200, sub {
return unless $ctx;
while (@q) {
$level = shift @q;
my $node = shift @q or next;
my $cl = $level + 1;
unshift @q, map { ($cl, $_) } @{$node->{children}};
my $mid = $node->{id};
if ($mime = $inbox->msg_by_smsg($node->{smsg})) {
$mime = PublicInbox::MIME->new($mime);
return thread_index_entry($ctx, $level, $mime);
} else {
return ghost_index_entry($ctx, $level, $node);
}
}
my $ret = join('', thread_adj_level($ctx, 0));
$ret .= ${$ctx->{dst}}; # skel
$ctx = undef;
$ret;
});
}
sub thread_html {
my ($ctx) = @_;
my $mid = $ctx->{mid};
my $srch = $ctx->{srch};
my $sres = $srch->get_thread($mid);
my $msgs = load_results($srch, $sres);
my $nr = $sres->{total};
return missing_thread($ctx) if $nr == 0;
my $skel = '
';
$skel .= $nr == 1 ? 'only message in thread' : 'end of thread';
$skel .= ", back to index\n\n";
$skel .= "Thread overview: ";
$skel .= $nr == 1 ? '(only message)' : "$nr+ messages";
$skel .= " (download: mbox.gz";
$skel .= " / follow: Atom feed)\n";
$skel .= "-- links below jump to the message on this page --\n";
$ctx->{-upfx} = '../../';
$ctx->{cur_level} = 0;
$ctx->{dst} = \$skel;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;
$ctx->{root_anchor} = anchor_for($mid);
$ctx->{mapping} = {};
$ctx->{s_nr} = "$nr+ messages in thread";
my $rootset = thread_results($msgs, $srch);
# reduce hash lookups in pre_thread->skel_dump
my $inbox = $ctx->{-inbox};
$ctx->{-obfs_ibx} = $inbox->{obfuscate} ? $inbox : undef;
walk_thread($rootset, $ctx, *pre_thread);
$skel .= '
';
return stream_thread($rootset, $ctx) unless $ctx->{flat};
# flat display: lazy load the full message from smsg
my $mime;
while ($mime = shift @$msgs) {
$mime = $inbox->msg_by_smsg($mime) and last;
}
return missing_thread($ctx) unless $mime;
$mime = PublicInbox::MIME->new($mime);
$ctx->{-title_html} = ascii_html($mime->header('Subject'));
$ctx->{-html_tip} = ''.index_entry($mime, $ctx, scalar @$msgs);
$mime = undef;
PublicInbox::WwwStream->response($ctx, 200, sub {
return unless $msgs;
while ($mime = shift @$msgs) {
$mime = $inbox->msg_by_smsg($mime) and last;
}
if ($mime) {
$mime = PublicInbox::MIME->new($mime);
return index_entry($mime, $ctx, scalar @$msgs);
}
$msgs = undef;
$skel;
});
}
sub multipart_text_as_html {
my ($mime, $upfx, $obfs_ibx) = @_;
my $rv = "";
# scan through all parts, looking for displayable text
msg_iter($mime, sub { $rv .= add_text_body($upfx, $obfs_ibx, $_[0]) });
$rv;
}
sub flush_quote {
my ($s, $l, $quot) = @_;
# show everything in the full version with anchor from
# short version (see above)
my $rv = $l->linkify_1(join('', @$quot));
@$quot = ();
# we use a here to allow users to specify their own
# color for quoted text
$rv = $l->linkify_2(ascii_html($rv));
$$s .= qq() . $rv . ''
}
sub attach_link ($$$$;$) {
my ($upfx, $ct, $p, $fn, $err) = @_;
my ($part, $depth, @idx) = @$p;
my $nl = $idx[-1] > 1 ? "\n" : '';
my $idx = join('.', @idx);
my $size = bytes::length($part->body);
# hide attributes normally, unless we want to aid users in
# spotting MUA problems:
$ct =~ s/;.*// unless $err;
$ct = ascii_html($ct);
my $desc = $part->header('Content-Description');
$desc = $fn unless defined $desc;
$desc = '' unless defined $desc;
my $sfn;
if (defined $fn && $fn =~ /\A[[:alnum:]][\w\.-]+[[:alnum:]]\z/) {
$sfn = $fn;
} elsif ($ct eq 'text/plain') {
$sfn = 'a.txt';
} else {
$sfn = 'a.bin';
}
my $ret = qq($nl);
if ($err) {
$ret .=
"[-- Warning: decoded text below may be mangled --]\n";
}
$ret .= "[-- Attachment #$idx: ";
my $ts = "Type: $ct, Size: $size bytes";
$desc = ascii_html($desc);
$ret .= ($desc eq '') ? "$ts --]" : "$desc --]\n[-- $ts --]";
$ret .= "\n";
}
sub add_text_body {
my ($upfx, $obfs_ibx, $p) = @_;
# $p - from msg_iter: [ Email::MIME, depth, @idx ]
my ($part, $depth) = @$p; # attachment @idx is unused
my $ct = $part->content_type || 'text/plain';
my $fn = $part->filename;
if ($ct =~ m!\btext/x?html\b!i) {
return attach_link($upfx, $ct, $p, $fn);
}
my $s = eval { $part->body_str };
# badly-encoded message? tell the world about it!
my $err = $@;
if ($err) {
if ($ct =~ m!\btext/plain\b!i) {
# Try to assume UTF-8 because Alpine seems to
# do wacky things and set charset=X-UNKNOWN
$part->charset_set('UTF-8');
$s = eval { $part->body_str };
# If forcing charset=UTF-8 failed,
# attach_link will warn further down...
$s = $part->body if $@;
} else {
return attach_link($upfx, $ct, $p, $fn);
}
}
my @lines = split(/^/m, $s);
$s = '';
if (defined($fn) || $depth > 0 || $err) {
$s .= attach_link($upfx, $ct, $p, $fn, $err);
$s .= "\n";
}
my @quot;
my $l = PublicInbox::Linkify->new;
foreach my $cur (@lines) {
if ($cur !~ /^>/) {
# show the previously buffered quote inline
flush_quote(\$s, $l, \@quot) if @quot;
# regular line, OK
$l->linkify_1($cur);
$s .= $l->linkify_2(ascii_html($cur));
} else {
push @quot, $cur;
}
}
if (@quot) { # ugh, top posted
flush_quote(\$s, $l, \@quot);
obfuscate_addrs($obfs_ibx, $s) if $obfs_ibx;
$s;
} else {
obfuscate_addrs($obfs_ibx, $s) if $obfs_ibx;
if ($s =~ /\n\z/s) { # common, last line ends with a newline
$s;
} else { # some editors don't do newlines...
$s .= "\n";
}
}
}
sub _msg_html_prepare {
my ($hdr, $ctx, $obfs_ibx) = @_;
my $srch = $ctx->{srch} if $ctx;
my $atom = '';
my $rv = ""; # anchor for body start
if ($srch) {
$ctx->{-upfx} = '../';
}
my @title;
my $mid = mid_clean($hdr->header_raw('Message-ID'));
$mid = PublicInbox::Hval->new_msgid($mid);
foreach my $h (qw(From To Cc Subject Date)) {
my $v = $hdr->header($h);
defined($v) && ($v ne '') or next;
$v = PublicInbox::Hval->new($v);
if ($h eq 'From') {
my @n = PublicInbox::Address::names($v->raw);
$title[1] = ascii_html(join(', ', @n));
obfuscate_addrs($obfs_ibx, $title[1]) if $obfs_ibx;
} elsif ($h eq 'Subject') {
$title[0] = $v->as_html;
if ($srch) {
$rv .= qq($h: );
$rv .= $v->as_html . "\n";
next;
}
}
$v = $v->as_html;
obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
$rv .= "$h: $v\n";
}
$title[0] ||= '(no subject)';
$ctx->{-title_html} = join(' - ', @title);
$rv .= 'Message-ID: <' . $mid->as_html . '> ';
$rv .= "(raw)\n";
$rv .= _parent_headers($hdr, $srch);
$rv .= "\n";
}
sub thread_skel {
my ($dst, $ctx, $hdr, $tpfx) = @_;
my $srch = $ctx->{srch};
my $mid = mid_clean($hdr->header_raw('Message-ID'));
my $sres = $srch->get_thread($mid);
my $nr = $sres->{total};
my $expand = qq(expand[flat) .
qq(|nested] ) .
qq(mbox.gz ) .
qq(Atom feed);
my $parent = in_reply_to($hdr);
$$dst .= "\nThread overview: ";
if ($nr <= 1) {
if (defined $parent) {
$$dst .= "$expand\n ";
$$dst .= ghost_parent("$tpfx../", $parent) . "\n";
} else {
$$dst .= "[no followups] $expand\n";
}
$ctx->{next_msg} = undef;
$ctx->{parent_msg} = $parent;
return;
}
$$dst .= "$nr+ messages / $expand";
$$dst .= qq! top\n!;
my $subj = $hdr->header('Subject');
defined $subj or $subj = '';
$ctx->{prev_subj} = [ split(/ /, $srch->subject_normalized($subj)) ];
$ctx->{cur} = $mid;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;
$ctx->{dst} = $dst;
$sres = load_results($srch, $sres);
# reduce hash lookups in skel_dump
my $ibx = $ctx->{-inbox};
$ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
walk_thread(thread_results($sres, $srch), $ctx, *skel_dump);
$ctx->{parent_msg} = $parent;
}
sub _parent_headers {
my ($hdr, $srch) = @_;
my $rv = '';
my $irt = in_reply_to($hdr);
if (defined $irt) {
my $v = PublicInbox::Hval->new_msgid($irt);
my $html = $v->as_html;
my $href = $v->{href};
$rv .= "In-Reply-To: <";
$rv .= "$html>\n";
}
# do not display References: if search is present,
# we show the thread skeleton at the bottom, instead.
return $rv if $srch;
my $refs = $hdr->header_raw('References');
if ($refs) {
# avoid redundant URLs wasting bandwidth
my %seen;
$seen{$irt} = 1 if defined $irt;
my @refs;
my @raw_refs = ($refs =~ /<([^>]+)>/g);
foreach my $ref (@raw_refs) {
next if $seen{$ref};
$seen{$ref} = 1;
push @refs, linkify_ref_nosrch($ref);
}
if (@refs) {
$rv .= 'References: '. join("\n\t", @refs) . "\n";
}
}
$rv;
}
sub html_footer {
my ($hdr, $standalone, $ctx, $rhref) = @_;
my $srch = $ctx->{srch} if $ctx;
my $upfx = '../';
my $tpfx = '';
my $idx = $standalone ? " index" : '';
my $irt = '';
if ($idx && $srch) {
$idx .= "\n";
thread_skel(\$idx, $ctx, $hdr, $tpfx);
my ($next, $prev);
my $parent = ' ';
$next = $prev = ' ';
if (my $n = $ctx->{next_msg}) {
$n = PublicInbox::Hval->new_msgid($n)->{href};
$next = "next";
}
my $u;
my $par = $ctx->{parent_msg};
if ($par) {
$u = PublicInbox::Hval->new_msgid($par)->{href};
$u = "$upfx$u/";
}
if (my $p = $ctx->{prev_msg}) {
$prev = PublicInbox::Hval->new_msgid($p)->{href};
if ($p && $par && $p eq $par) {
$prev = "prev parent';
$parent = '';
} else {
$prev = "prev';
$parent = " parent" if $u;
}
} elsif ($u) { # unlikely
$parent = " parent";
}
$irt = "$next $prev$parent ";
} else {
$irt = '';
}
$rhref ||= '#R';
$irt .= qq(reply);
$irt .= $idx;
}
sub linkify_ref_nosrch {
my $v = PublicInbox::Hval->new_msgid($_[0]);
my $html = $v->as_html;
my $href = $v->{href};
"<$html>";
}
sub anchor_for {
my ($msgid) = @_;
'm' . id_compress($msgid, 1);
}
sub ghost_parent {
my ($upfx, $mid) = @_;
$mid = PublicInbox::Hval->new_msgid($mid);
my $href = $mid->{href};
my $html = $mid->as_html;
qq{[parent not found: <$html>]};
}
sub indent_for {
my ($level) = @_;
$level ? INDENT x ($level - 1) : '';
}
sub load_results {
my ($srch, $sres) = @_;
my $msgs = delete $sres->{msgs};
$srch->retry_reopen(sub { [ map { $_->mid; $_ } @$msgs ] });
}
sub msg_timestamp {
my ($hdr) = @_;
my $ts = eval { str2time($hdr->header('Date')) };
defined($ts) ? $ts : 0;
}
sub thread_results {
my ($msgs, $srch) = @_;
require PublicInbox::SearchThread;
PublicInbox::SearchThread::thread($msgs, *sort_ts, $srch);
}
sub missing_thread {
my ($ctx) = @_;
require PublicInbox::ExtMsg;
PublicInbox::ExtMsg::ext_msg($ctx);
}
sub _msg_date {
my ($hdr) = @_;
fmt_ts(msg_timestamp($hdr));
}
sub fmt_ts { POSIX::strftime('%Y-%m-%d %k:%M', gmtime($_[0])) }
sub dedupe_subject {
my ($prev_subj, $subj, $val) = @_;
my $omit = ''; # '"' denotes identical text omitted
my (@prev_pop, @curr_pop);
while (@$prev_subj && @$subj && $subj->[-1] eq $prev_subj->[-1]) {
push(@prev_pop, pop(@$prev_subj));
push(@curr_pop, pop(@$subj));
$omit ||= $val;
}
pop @$subj if @$subj && $subj->[-1] =~ /^re:\s*/i;
if (scalar(@curr_pop) == 1) {
$omit = '';
push @$prev_subj, @prev_pop;
push @$subj, @curr_pop;
}
$omit;
}
sub skel_dump {
my ($ctx, $level, $node) = @_;
my $smsg = $node->{smsg} or return _skel_ghost($ctx, $level, $node);
my $dst = $ctx->{dst};
my $cur = $ctx->{cur};
my $mid = $smsg->{mid};
my $f = ascii_html($smsg->from_name);
my $obfs_ibx = $ctx->{-obfs_ibx};
obfuscate_addrs($obfs_ibx, $f) if $obfs_ibx;
my $d = fmt_ts($smsg->{ts}) . ' ' . indent_for($level) . th_pfx($level);
my $attr = $f;
$ctx->{first_level} ||= $level;
if ($attr ne $ctx->{prev_attr} || $ctx->{prev_level} > $level) {
$ctx->{prev_attr} = $attr;
}
$ctx->{prev_level} = $level;
if ($cur) {
if ($cur eq $mid) {
delete $ctx->{cur};
$$dst .= "$d".
"$attr [this message]\n";
return;
} else {
$ctx->{prev_msg} = $mid;
}
} else {
$ctx->{next_msg} ||= $mid;
}
# Subject is never undef, this mail was loaded from
# our Xapian which would've resulted in '' if it were
# really missing (and Filter rejects empty subjects)
my @subj = split(/ /, $ctx->{srch}->subject_normalized($smsg->subject));
# remove common suffixes from the subject if it matches the previous,
# so we do not show redundant text at the end.
my $prev_subj = $ctx->{prev_subj} || [];
$ctx->{prev_subj} = [ @subj ];
my $omit = dedupe_subject($prev_subj, \@subj, '" ');
my $end;
if (@subj) {
my $subj = join(' ', @subj);
$subj = ascii_html($subj);
obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
$end = "$subj $omit$f\n"
} else {
$end = "$f\n";
}
my $m;
my $id = '';
my $mapping = $ctx->{mapping};
if ($mapping) {
my $map = $mapping->{$mid};
$id = id_compress($mid, 1);
$m = '#m'.$id;
$map->[0] = "$d$end";
$id = "\nid=r".$id;
} else {
$m = $ctx->{-upfx}.mid_escape($mid).'/';
}
$$dst .= $d . "" . $end;
}
sub _skel_ghost {
my ($ctx, $level, $node) = @_;
my $mid = $node->{id};
my $d = $ctx->{pct} ? ' [irrelevant] ' # search result
: ' [not found] ';
$d .= indent_for($level) . th_pfx($level);
my $upfx = $ctx->{-upfx};
my $m = PublicInbox::Hval->new_msgid($mid);
my $href = $upfx . $m->{href} . '/';
my $html = $m->as_html;
my $mapping = $ctx->{mapping};
my $map = $mapping->{$mid} if $mapping;
if ($map) {
my $id = id_compress($mid, 1);
$map->[0] = $d . qq{<$html>\n};
$d .= qq{<$html>\n};
} else {
$d .= qq{<$html>\n};
}
my $dst = $ctx->{dst};
$$dst .= $d;
}
sub sort_ts {
[ sort {
(eval { $a->topmost->{smsg}->ts } || 0) <=>
(eval { $b->topmost->{smsg}->ts } || 0)
} @{$_[0]} ];
}
# accumulate recent topics if search is supported
# returns 200 if done, 404 if not
sub acc_topic {
my ($ctx, $level, $node) = @_;
my $srch = $ctx->{srch};
my $mid = $node->{id};
my $x = $node->{smsg} || $srch->lookup_mail($mid);
my ($subj, $ts);
my $topic;
if ($x) {
$subj = $x->subject;
$subj = $srch->subject_normalized($subj);
$ts = $x->ts;
if ($level == 0) {
$topic = [ $ts, 1, { $subj => $mid }, $subj ];
$ctx->{-cur_topic} = $topic;
push @{$ctx->{order}}, $topic;
return;
}
$topic = $ctx->{-cur_topic}; # should never be undef
$topic->[0] = $ts if $ts > $topic->[0];
$topic->[1]++;
my $seen = $topic->[2];
if (scalar(@$topic) == 3) { # parent was a ghost
push @$topic, $subj;
} elsif (!$seen->{$subj}) {
push @$topic, $level, $subj;
}
$seen->{$subj} = $mid; # latest for subject
} else { # ghost message
return if $level != 0; # ignore child ghosts
$topic = [ -666, 0, {} ];
$ctx->{-cur_topic} = $topic;
push @{$ctx->{order}}, $topic;
}
}
sub dump_topics {
my ($ctx) = @_;
my $order = delete $ctx->{order}; # [ ts, subj1, subj2, subj3, ... ]
if (!@$order) {
$ctx->{-html_tip} = '[No topics in range]
';
return 404;
}
my @out;
my $ibx = $ctx->{-inbox};
my $obfs_ibx = $ibx->{obfuscate} ? $ibx : undef;
my $srch = $ctx->{srch};
# sort by recency, this allows new posts to "bump" old topics...
foreach my $topic (sort { $b->[0] <=> $a->[0] } @$order) {
my ($ts, $n, $seen, $top, @ex) = @$topic;
@$topic = ();
next unless defined $top; # ghost topic
my $mid = delete $seen->{$top};
my $href = mid_escape($mid);
my $prev_subj = [ split(/ /, $top) ];
$top = PublicInbox::Hval->new($top)->as_html;
$ts = fmt_ts($ts);
# $n isn't the total number of posts on the topic,
# just the number of posts in the current results window
my $anchor;
if ($n == 1) {
$n = '';
$anchor = '#u'; # top of only message
} else {
$n = " ($n+ messages)";
$anchor = '#t'; # thread skeleton
}
my $mbox = qq(mbox.gz);
my $atom = qq(Atom);
my $s = "$top\n" .
" $ts UTC $n - $mbox / $atom\n";
for (my $i = 0; $i < scalar(@ex); $i += 2) {
my $level = $ex[$i];
my $subj = $ex[$i + 1];
$mid = delete $seen->{$subj};
my @subj = split(/ /, $srch->subject_normalized($subj));
my @next_prev = @subj; # full copy
my $omit = dedupe_subject($prev_subj, \@subj, ' "');
$prev_subj = \@next_prev;
$subj = ascii_html(join(' ', @subj));
obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
$href = mid_escape($mid);
$s .= indent_for($level) . TCHILD;
$s .= "$subj$omit\n";
}
push @out, $s;
}
$ctx->{-html_tip} = '' . join("\n", @out) . '
';
200;
}
sub index_nav { # callback for WwwStream
my (undef, $ctx) = @_;
delete $ctx->{qp} or return;
my ($next, $prev);
$next = $prev = ' ';
my $latest = '';
my $next_o = $ctx->{-next_o};
if ($next_o) {
$next = qq!next!;
}
if (my $cur_o = $ctx->{-cur_o}) {
$latest = qq! latest!;
my $o = $cur_o - ($next_o - $cur_o);
if ($o > 0) {
$prev = qq!prev!;
} elsif ($o == 0) {
$prev = qq!prev!;
}
}
"
page: $next $prev$latest
";
}
sub index_topics {
my ($ctx) = @_;
my ($off) = (($ctx->{qp}->{o} || '0') =~ /(\d+)/);
my $opts = { offset => $off, limit => 200 };
$ctx->{order} = [];
my $srch = $ctx->{srch};
my $sres = $srch->query('', $opts);
my $nr = scalar @{$sres->{msgs}};
if ($nr) {
$sres = load_results($srch, $sres);
walk_thread(thread_results($sres, $srch), $ctx, *acc_topic);
}
$ctx->{-next_o} = $off+ $nr;
$ctx->{-cur_o} = $off;
PublicInbox::WwwStream->response($ctx, dump_topics($ctx), *index_nav);
}
sub thread_adj_level {
my ($ctx, $level) = @_;
my $max = $ctx->{cur_level};
if ($level <= 0) {
return ('', '') if $max == 0; # flat output
# reset existing lists
my $beg = $max > 1 ? ('' x ($max - 1)) : '';
$ctx->{cur_level} = 0;
("$beg", '');
} elsif ($level == $max) { # continue existing list
qw(
);
} elsif ($level < $max) {
my $beg = $max > 1 ? ('' x ($max - $level)) : '';
$ctx->{cur_level} = $level;
("$beg", '');
} else { # ($level > $max) # start a new level
$ctx->{cur_level} = $level;
my $beg = ($max ? '' : '') . '- ';
($beg, '
');
}
}
sub ghost_index_entry {
my ($ctx, $level, $node) = @_;
my ($beg, $end) = thread_adj_level($ctx, $level);
$beg . '
'. ghost_parent($ctx->{-upfx}, $node->{id})
. '
' . $end;
}
1;