--- trunk/all2xml.pl	2003/12/21 03:27:02	197
+++ trunk/all2xml.pl	2004/01/31 21:03:06	207
@@ -210,10 +210,23 @@
 
 			# placeholder for all repeatable entries for index
 
+			sub chk_eval($) {
+				my $data = shift;
+				if ($data =~ s/eval{([^}]+)}//) {
+					if (eval "$1") {
+						return $data;
+					} else {
+						return undef;
+					}
+				} else {
+					return $data;
+				}
+			}
+
 			sub mkformat($$) {
 				my $x = shift || die "mkformat needs tag reference";
 				my $data = shift || return;
-				my $format_name = x($x->{format_name}) || return $data;
+				my $format_name = x($x->{format_name}) || return chk_eval($data);
 				my $fmt = x($config->{format}->{$format_name}->{content}) || die "<format name=\"$format_name\"> is not defined!";
 				my $format_delimiter = x($x->{format_delimiter});
 				my @data;
@@ -226,10 +239,10 @@
 				if ($fmt) {
 					my $nr = scalar $fmt =~ s/%s/%s/g;
 					if (($#data+1) == $nr) {
-						return sprintf($fmt,@data);
+						return chk_eval(sprintf($fmt,@data));
 					} else {
-						print STDERR "mkformat: [$data] can't be split on [$format_delimiter] to $nr fields!\n";
-						return $data;
+						#print STDERR "mkformat: [$data] can't be split on [$format_delimiter] to $nr fields!\n";
+						return chk_eval($data);
 					}
 				} else {
 					print STDERR "usage of link '$format_name' without defined format (<link> tag)\n";
@@ -292,22 +305,23 @@
 
 				# type="display" ; field for display
 				if ($d && $display) {
+					my $ldel = $delimiter;
 					if ($line_delimiter && $display_data) {
-						$display_data .= $line_delimiter;
+						$ldel = $line_delimiter;
 					}
 					if ($filter) {
 						no strict 'refs';
-						if ($display_data) {
-							$display_data .= $delimiter.join($delimiter,mkformat($x,&$filter($display)));
-						} else {
-							$display_data = join($delimiter,mkformat($x,&$filter($display)));
+						my @arr;
+						foreach my $tmp (&$filter($display)) {
+							my $tmp2 = mkformat($x,$tmp);
+							push @arr,$tmp2 if ($tmp2);
 						}
+						$display_data .= $ldel if ($display_data && @arr);
+						$display_data .= join($delimiter,@arr);
 					} else {
-						if ($display_data) {
-							$display_data .= $delimiter.mkformat($x,$display);
-						} else {
-							$display_data = mkformat($x,$display);
-						}
+						$display_data .= $ldel if ($display_data);
+						my $tmp = mkformat($x,$display);
+						$display_data = $tmp if ($tmp);
 					}
 				}
 						
@@ -451,7 +465,8 @@
 			for (my $page=0; $page <= $nr_pages; $page++) {
 				my $display_data;
 				if ($cache->{format}->{$field}) {
-					$display_data=mkformat($cache->{format}->{$field},$cache->{display_data}->{$field}->[$page]);
+					my $tmp = mkformat($cache->{format}->{$field},$cache->{display_data}->{$field}->[$page]);
+					$display_data=$tmp if ($tmp);
 				} else {
 					$display_data = $cache->{display_data}->{$field}->[$page];
 				}