--- nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/02/20 22:45:19	1.12
+++ nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/02/22 17:13:55	1.14
@@ -1,7 +1,14 @@
 ## ---------------------------------------------------------------------------
-##  $Id: Deep.pm,v 1.12 2003/02/20 22:45:19 joko Exp $
+##  $Id: Deep.pm,v 1.14 2003/02/22 17:13:55 jonen Exp $
 ## ---------------------------------------------------------------------------
 ##  $Log: Deep.pm,v $
+##  Revision 1.14  2003/02/22 17:13:55  jonen
+##  + added function 'childObject2string()' to encode 'child'-references to option related string
+##  + use new option at 'expand()' for replacing 'childObject2string'
+##
+##  Revision 1.13  2003/02/21 01:48:50  joko
+##  renamed core function
+##
 ##  Revision 1.12  2003/02/20 22:45:19  joko
 ##  fix regarding new deep_copy
 ##
@@ -136,6 +143,8 @@
 }
 
 
+# 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
 sub expand {
 
   my $obj = shift;
@@ -150,8 +159,15 @@
       my $item;
       # if current item is a reference ...
       if (ref $_[0]) {
-        # ... expand structure recursively
-        $item = expand($_[0], $options);
+        $item = $_[0];
+        # if $options->{childObj2string} is TRUE or STRING don't expand referenced object,
+        # instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> ) 
+        if ($item && $options->{childObj2string}) {
+          $item = childObj2string($item, $options->{childObj2string});
+        } else {
+          # ... expand structure recursively
+          $item = expand($_[0], $options);
+        }
         # destroy item via seperate callback method (a POST) if requested
         #$options->{cb}->{destroy}->($_[0]) if $options->{destroy};
 
@@ -180,8 +196,15 @@
       
       # if current item is a reference ...
       if (ref $_[1]) {
-        # ... expand structure recursively
-        $item = expand($_[1], $options);
+        $item = $_[1];
+        # if $options->{childObj2string} is TRUE or STRING don't expand referenced object,
+        # instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> ) 
+        if ($item && $options->{childObj2string} && !(ref $_[1] eq "ARRAY") && !(ref $_[1] eq "HASH")) {
+          $item = childObj2string($item, $options->{childObj2string});
+        } else {
+          # ... expand structure recursively
+          $item = expand($_[1], $options);
+        }
         # destroy item via seperate callback method (a POST) if requested
         #$options->{cb}->{destroy}->($_[1]) if $options->{destroy};
       
@@ -205,7 +228,7 @@
 
   # convert all values to utf8 (inside complex struct)
     # now done in core-item-callbacks via Greg London's "Iterate" from CPAN
-    # var2utf8($result) if ($options->{utf8});
+    # latin_to_utf8($result) if ($options->{utf8});
 
   # destroy persistent object from memory to be sure to get a fresh one next time
   #undef $obj if $options->{destroy};
@@ -453,5 +476,17 @@
 }
 
 
+sub childObj2string {
+  my $obj = shift;
+  my $option = shift; 
+  my $classname = ref $obj;
+  
+  if($option == 1) {
+    my $string = "o_" . $classname . "_" .$obj->{guid};
+    return $string;
+  }  
+}
+
+
 1;
 __END__