Nicer rendering for see-also in index

[exim-website.git] / script / gen

diff --git a/script/gen b/script/gen
index 91af773bccc8b2c1b855284e277c9fa35a258b3a..dc2926adeb7d9407f00a07367cfbdf53b6570641 100755 (executable)
--- a/script/gen
+++ b/script/gen
@@ -328,6 +328,7 @@ sub build_indexes {
     my ( $xml, $prepend_chapter, $xref ) = @_;
 
     my $index_hash = {};
+    my $seealso_hash = {};
     my $current_id;
     foreach my $node ( $xml->findnodes('//section | //chapter | //indexterm') ) {
         if ( $node->nodeName eq 'indexterm' ) {
@@ -335,9 +336,27 @@ sub build_indexes {
             my $primary   = $node->findvalue('child::primary');
             my $first     = ( $primary =~ /^[A-Za-z]/ ) ? uc( substr( $primary, 0, 1 ) ) : '';  # first letter or marker
             my $secondary = $node->findvalue('child::secondary') || '';
+           my $see       = $node->findvalue('child::see');
+           my $see_also  = $node->findvalue('child::seealso');
+
             next unless ( $primary || $secondary );    # skip blank entries for now...
+
             $index_hash->{$role}{$first}{$primary}{$secondary} ||= [];
-            push @{ $index_hash->{$role}{$first}{$primary}{$secondary} }, $current_id;
+           if ( $see || $see_also ) {
+             # The scalar value being written here assumes only one seealso on an indeed term
+             # It would be nice to have the $see displayed in bold rather than in quotes
+             $seealso_hash->{$role}{$first}{$primary}{$secondary} = 'see "' . $see .'"' if ($see);
+             $seealso_hash->{$role}{$first}{$primary}{$secondary} = 'see also "' . $see_also .'"' if ($see_also);
+           }
+
+           else {
+# JGH 2022/07/01
+# The $current_id being pushed here is presumably the section, given where the
+# hyperlink end up pointing to.  For bug 2889 we'd like to have something more
+# precise; tha presumably requires an anchor at the indexed point?
+
+               push @{ $index_hash->{$role}{$first}{$primary}{$secondary} }, $current_id;
+           }
         }
         else {
             $current_id = $node->getAttribute('id');
@@ -383,6 +402,10 @@ sub build_indexes {
                         $slist->appendChild($sentry)->appendTextChild( 'term', $secondary );
                         $sentry->appendChild($sitem)->appendChild($para);
                     }
+
+                   my $seealso = $seealso_hash->{$role}{$first}{$primary}{$secondary};
+                   $para->appendText($seealso) if ($seealso);
+
                     my $count = 0;
                     foreach my $ref ( @{ $index_hash->{$role}{$first}{$primary}{$secondary} } ) {
                         $para->appendText(', ')