+ last if $p_obj->seq( $key, $prefixes, R_NEXT ) != 0;
+ last if $too_many_hits or keys %pkgs >= 100;
+ }
+
+ my $no_results = keys %pkgs;
+ if ($too_many_hits || ($no_results >= 100)) {
+ $too_many_hits += $no_results;
+ %pkgs = ( $keyword => 1 );
+ }
+ foreach my $pkg (sort keys %pkgs) {
+ &$read_entry( \%packages, $pkg, \@results, $opts );
+ }
+ }
+ return \@results;
+}
+sub do_fulltext_search {
+ my ($keword, $file, $mapping, $lookup, $read_entry, $opts) = @_;
+ my @results;
+
+ my @lines;
+ my $regex;
+ if ($opts->{case_bool}) {
+ if ($opts->{exact}) {
+ $regex = qr/\b\Q$keyword\E\b/o;
+ } else {
+ $regex = qr/\Q$keyword\E/o;
+ }
+ } else {
+ if ($opts->{exact}) {
+ $regex = qr/\b\Q$keyword\E\b/io;
+ } else {
+ $regex = qr/\Q$keyword\E/io;
+ }
+ }
+
+ open DESC, '<', "$DBDIR/$file"
+ or die "couldn't open $DBDIR/$file: $!";
+ while (<DESC>) {
+ $_ =~ $regex or next;
+ debug( "Matched line $.", 2);
+ push @lines, $.;
+ }
+ close DESC;
+
+ tie my %packages, 'DB_File', "$DBDIR/$lookup", O_RDONLY, 0666, $DB_BTREE
+ or die "couldn't tie DB $DBDIR/$lookup: $!";
+ tie my %did2pkg, 'DB_File', "$DBDIR/$mapping", O_RDONLY, 0666, $DB_BTREE
+ or die "couldn't tie DB $DBDIR/$mapping: $!";
+
+ my %tmp_results;
+ foreach my $l (@lines) {
+ my $result = $did2pkg{$l};
+ foreach (split /\000/o, $result) {
+ my @data = split /\s/, $_, 3;
+ next unless $opts->{h_archs}{$data[2]};
+ $tmp_results{$data[0]}++;