--- nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/05/10 17:09:18	1.22
+++ nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/05/13 07:39:22	1.23
@@ -1,7 +1,10 @@
 ## ---------------------------------------------------------------------------
-##  $Id: Deep.pm,v 1.22 2003/05/10 17:09:18 jonen Exp $
+##  $Id: Deep.pm,v 1.23 2003/05/13 07:39:22 joko Exp $
 ## ---------------------------------------------------------------------------
 ##  $Log: Deep.pm,v $
+##  Revision 1.23  2003/05/13 07:39:22  joko
+##  new option 'define' for "sub expand": set value to empty string if desired
+##
 ##  Revision 1.22  2003/05/10 17:09:18  jonen
 ##  + added keep of empty arrays/hashes if 'expand' for php
 ##
@@ -169,6 +172,7 @@
 
 # convert values in hash to utf8 (and back) to be ready for (e.g.) encapsulation in XML
 # but still using the known latin locale stuff
+# TODO: Review: Could this be revamped using Clone.pm?
 sub expand {
 
   my $obj = shift;
@@ -207,6 +211,8 @@
         $item = latin_to_utf8_scalar($item) if ($item && $options->{utf8});
         $item = utf8_to_latin_scalar($item) if ($item && $options->{to_latin});
       }
+      
+      $item = '' if $options->{define} and not defined $item;
       #push(@{$result}, $item) if $item;   # use item only if not undef  (TODO: make configurable via $options)
       push(@{$result}, $item);                 # use item in any case
 
@@ -250,6 +256,8 @@
         $item = latin_to_utf8_scalar($item) if ($item && $options->{utf8});
         $item = utf8_to_latin_scalar($item) if ($item && $options->{to_latin});
       }
+      
+      $item = '' if $options->{define} and not defined $item;
       #$result->{$_[0]} = $item if $item;   # use item only if not undef  (TODO: make configurable via $options)
       $result->{$_[0]} = $item;               # use item in any case
     }