+ $$res .= qq{$rank. <b><a\nhref="$mid/">}.
+ $s . "</a></b>\n";
+ $$res .= "$pfx - by $f @ $ts UTC [$pct%]\n\n";
+ }
+ $$res .= search_nav_bot($mset, $q);
+ *noop;
+}
+
+sub err_txt {
+ my ($ctx, $err) = @_;
+ my $u = '//xapian.org/docs/queryparser.html';
+ $u = PublicInbox::Hval::prurl($ctx->{cgi}->{env}, $u);
+ $err =~ s/^\s*Exception:\s*//; # bad word to show users :P
+ $err = ascii_html($err);
+ "\nBad query: <b>$err</b>\n" .
+ qq{See <a\nhref="$u">$u</a> for Xapian query syntax};
+}
+
+sub search_nav_top {
+ my ($mset, $q) = @_;
+
+ my $rv = "<pre>Search results ordered by [";
+ if ($q->{r}) {
+ my $d = $q->qs_html(r => 0);
+ $rv .= qq{<a\nhref="?$d">date</a>|<b>relevance</b>};
+ } else {
+ my $d = $q->qs_html(r => 1);
+ $rv .= qq{<b>date</b>|<a\nhref="?$d">relevance</a>};
+ }
+
+ $rv .= '] view[';
+
+ my $x = $q->{x};
+ if ($x eq '') {
+ my $t = $q->qs_html(x => 't');
+ $rv .= qq{<b>summary</b>|<a\nhref="?$t">threaded</a>}
+ } elsif ($q->{x} eq 't') {
+ my $s = $q->qs_html(x => '');
+ $rv .= qq{<a\nhref="?$s">summary</a>|<b>threaded</b>};
+ }
+ my $A = $q->qs_html(x => 'A', r => undef);
+ $rv .= qq{|<a\nhref="?$A">Atom feed</a>]};
+}
+
+sub search_nav_bot {
+ my ($mset, $q) = @_;
+ my $total = $mset->get_matches_estimated;
+ my $nr = scalar $mset->items;
+ my $o = $q->{o};
+ my $end = $o + $nr;
+ my $beg = $o + 1;
+ my $rv = "</pre><hr /><pre>Results $beg-$end of $total";
+ my $n = $o + $LIM;
+
+ if ($n < $total) {
+ my $qs = $q->qs_html(o => $n);
+ $rv .= qq{, <a\nhref="?$qs"\nrel=next>next</a>}
+ }
+ if ($o > 0) {
+ $rv .= $n < $total ? '/' : ', ';
+ my $p = $o - $LIM;
+ my $qs = $q->qs_html(o => ($p > 0 ? $p : 0));
+ $rv .= qq{<a\nhref="?$qs"\nrel=prev>prev</a>};
+ }
+ $rv .= '</pre>';
+}
+
+sub mset_thread {
+ my ($ctx, $mset, $q) = @_;
+ my %pct;
+ my @m = map {
+ my $i = $_;
+ my $m = PublicInbox::SearchMsg->load_doc($i->get_document);
+ $pct{$m->mid} = $i->get_percent;
+ $m = $m->mini_mime;
+ $m;
+ } ($mset->items);
+
+ my $th = PublicInbox::Thread->new(@m);
+ $th->thread;
+ if ($q->{r}) { # order by relevance
+ $th->order(sub {
+ sort { (eval { $pct{$b->topmost->messageid} } || 0)
+ <=>
+ (eval { $pct{$a->topmost->messageid} } || 0)
+ } @_;
+ });
+ } else { # order by time (default for threaded view)
+ $th->order(*PublicInbox::View::sort_ts);
+ }
+ my $skel = search_nav_bot($mset, $q). "<pre>";
+ my $inbox = $ctx->{-inbox};
+ $ctx->{-upfx} = '';
+ $ctx->{anchor_idx} = 1;
+ $ctx->{cur_level} = 0;
+ $ctx->{dst} = \$skel;
+ $ctx->{mapping} = {};
+ $ctx->{pct} = \%pct;
+ $ctx->{prev_attr} = '';
+ $ctx->{prev_level} = 0;
+ $ctx->{seen} = {};
+
+ PublicInbox::View::walk_thread($th, $ctx,
+ *PublicInbox::View::pre_thread);
+
+ my $msgs = \@m;
+ my $mime;
+ sub {
+ return unless $msgs;
+ while ($mime = shift @$msgs) {
+ my $mid = mid_clean(mid_mime($mime));
+ $mime = $inbox->msg_by_mid($mid) and last;
+ }
+ if ($mime) {
+ $mime = Email::MIME->new($mime);
+ return PublicInbox::View::index_entry($mime, $ctx);
+ }
+ $msgs = undef;
+ $skel .= "\n</pre>";
+ };
+}
+
+sub ctx_prepare {
+ my ($q, $ctx) = @_;
+ my $qh = ascii_html($q->{'q'});
+ $ctx->{-q_value_html} = $qh;
+ $ctx->{-atom} = '?'.$q->qs_html(x => 'A', r => undef);
+ $ctx->{-title_html} = "$qh - search results";
+ my $extra = '';
+ $extra .= qq{<input\ntype=hidden\nname=r />} if $q->{r};
+ if (my $x = $q->{x}) {
+ $x = ascii_html($x);
+ $extra .= qq{<input\ntype=hidden\nname=x\nvalue="$x" />};
+ }
+ $ctx->{-extra_form_html} = $extra;
+}
+
+sub adump {
+ my ($cb, $mset, $q, $ctx) = @_;
+ my $fh = $cb->([ 200, ['Content-Type' => 'application/atom+xml']]);
+ my $ibx = $ctx->{-inbox};
+ my $feed_opts = PublicInbox::Feed::get_feedopts($ctx);
+ my $x = ascii_html($q->{'q'});
+ $x = qq{$x - search results};
+ $feed_opts->{atomurl} = $feed_opts->{url} . '?'. $q->qs_html;
+ $feed_opts->{url} .= '?'. $q->qs_html(x => undef);
+ $x = PublicInbox::Feed::atom_header($feed_opts, $x);
+ $fh->write($x. PublicInbox::Feed::feed_updated());
+
+ for ($mset->items) {
+ $x = PublicInbox::SearchMsg->load_doc($_->get_document)->mid;
+ $x = mid2path($x);
+ my $s = PublicInbox::Feed::feed_entry($feed_opts, $x, $ibx);
+ $fh->write($s) if defined $s;
+ }
+ PublicInbox::Feed::end_feed($fh);
+}
+
+package PublicInbox::SearchQuery;
+use strict;
+use warnings;
+use PublicInbox::Hval;
+
+sub new {
+ my ($class, $qp) = @_;
+
+ my $r = $qp->{r};
+ bless {
+ q => $qp->{'q'},
+ x => $qp->{x} || '',
+ o => (($qp->{o} || '0') =~ /(\d+)/),
+ r => (defined $r && $r ne '0'),
+ }, $class;
+}
+
+sub qs_html {
+ my ($self, %over) = @_;
+
+ if (keys %over) {
+ my $tmp = bless { %$self }, ref($self);
+ foreach my $k (keys %over) {
+ $tmp->{$k} = $over{$k};
+ }
+ $self = $tmp;
+ }
+
+ my $q = PublicInbox::Hval->new($self->{'q'})->as_href;
+ $q =~ s/%20/+/g; # improve URL readability
+ my $qs = "q=$q";
+
+ if (my $o = $self->{o}) { # ignore o == 0
+ $qs .= "&o=$o";
+ }
+ if (my $r = $self->{r}) {
+ $qs .= "&r";
+ }
+ if (my $x = $self->{x}) {
+ $qs .= "&x=$x" if ($x eq 't' || $x eq 'A');