+ # lookup key
+ my $lookup_key;
+
+ # cache for field in pages
+ delete $cache->{display_data};
+ delete $cache->{swish_data};
+ delete $cache->{swish_exact_data};
+ delete $cache->{index_data};
+ delete $cache->{index_delimiter};
+ my @page_fields; # names of fields
+
+
+ # subs used to produce output
+
+ sub get_field_name($$$) {
+ my ($config,$field,$field_usage) = @_;
+
+ # find field name (signular, plural)
+ my $field_name = "";
+ if ($config->{indexer}->{$field}->{name_singular} && $field_usage == 1) {
+ $field_name = $config->{indexer}->{$field}->{name_singular};
+ } elsif ($config->{indexer}->{$field}->{name_plural}) {
+ $field_name = $config->{indexer}->{$field}->{name_plural};
+ } elsif ($config->{indexer}->{$field}->{name}) {
+ $field_name = $config->{indexer}->{$field}->{name};
+ } else {
+ print STDERR "WARNING: field '$field' doesn't have 'name' attribute!";
+ }
+
+ if ($field_name) {
+ $field_name = x($field_name);
+ if (! $last_field_name) {
+ $last_field_name = $field_name;
+ return $last_field_name;
+ } elsif ($field_name ne $last_field_name) {
+ $last_field_name = $field_name;
+ return $last_field_name;
+ }
+ }
+ }
+
+
+ # init variables for different types
+ sub init_visible_type($) {
+ my $type = shift;
+
+ # swish, swish_exact, display, index, index_lookup
+ # swish and display defaults
+ my ($s,$se,$d,$i,$il) = (1,0,1,0,0);
+ if (lc($type) eq "display") {
+ $s = 0;
+ } elsif (lc($type) eq "swish") {
+ $d = 0;
+ } elsif (lc($type) eq "index") {
+ ($s,$se,$d,$i) = (0,1,0,1);
+ } elsif (lc($type) eq "swish_exact") {
+ ($s,$se,$d,$i) = (0,1,0,0);
+ } elsif (lc($type) =~ /^lookup/) {
+ ($s,$se,$d,$i,$il) = (0,1,0,0,1);
+ } elsif ($type) {
+ print STDERR "WARNING: unknown type: $type\n";
+ }
+ return ($s,$se,$d,$i,$il);
+ }