/[cvs]/nfo/perl/libs/Data/Mungle/Transform/Deep.pm
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revision 1.4 by joko, Thu Dec 5 13:56:49 2002 UTC revision 1.5 by joko, Mon Dec 16 19:57:54 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.5  2002/12/16 19:57:54  joko
7    #  + option 'init'
8    #
9  #  Revision 1.4  2002/12/05 13:56:49  joko  #  Revision 1.4  2002/12/05 13:56:49  joko
10  #  - var_deref  #  - var_deref
11  #  + expand - more sophisticated dereferencing with callbacks using Iterate  #  + expand - more sophisticated dereferencing with callbacks using Iterate
# Line 256  sub hash2object { Line 259  sub hash2object {
259    #my $obj = $self->getObject($oid);    #my $obj = $self->getObject($oid);
260    
261    # mix changes into fresh object and save it back    # mix changes into fresh object and save it back
262    hash2object_traverse_mixin($object, $data);    hash2object_traverse_mixin($object, $data, 0, $options);
263    
264    # done in core mixin function?    # done in core mixin function?
265    #$self->{storage}->update($obj);    #$self->{storage}->update($obj);
# Line 283  sub hash2object_traverse_mixin { Line 286  sub hash2object_traverse_mixin {
286    my $object = shift;    my $object = shift;
287    my $data = shift;    my $data = shift;
288    my $bool_recursion = shift;    my $bool_recursion = shift;
289      my $options = shift;
290    
291    # clear our key - stack if we are called from user-code (non-recursively)    # clear our key - stack if we are called from user-code (non-recursively)
292    @indexstack = () if (!$bool_recursion);    @indexstack = () if (!$bool_recursion);
# Line 300  sub hash2object_traverse_mixin { Line 304  sub hash2object_traverse_mixin {
304    
305  #    print STDERR "===", "reftype: ", attributes::reftype($obj), "\n";  #    print STDERR "===", "reftype: ", attributes::reftype($obj), "\n";
306                    
307        my @fields;
308      # loop through fields of object (Tangram-object)      # loop through fields of object (Tangram-object)
309      foreach (keys %{$object}) {      @fields = keys %{$object};
310    
311        # loop through fields of to.be.injected-data (arbitrary Perl-data-structure)
312        @fields = keys %{$data} if $options->{init};
313        
314        foreach (@fields) {
315        push @indexstack, $_;        push @indexstack, $_;
316                            
317        # determine type of object        # determine type of object
318        my $ref = ref $object->{$_};        my $ref = ref $object->{$_};
319  #      print STDERR "attrname: $_  ATTRref: $ref", "\n";  #      print STDERR "attrname: $_  ATTRref: $ref", "\n";
320        if ($ref) {        if ($ref) {
321          hash2object_traverse_mixin($object->{$_}, $data, 1);          hash2object_traverse_mixin($object->{$_}, $data, 1, $options);
322        } else {        } else {
323          my $val = getStructSlotByStringyAddress($data, \@indexstack);          my $val = getStructSlotByStringyAddress($data, \@indexstack);
324          $object->{$_} = $val;                  $object->{$_} = $val;        
# Line 343  sub hash2object_traverse_mixin { Line 353  sub hash2object_traverse_mixin {
353        my $ref = ref $_;        my $ref = ref $_;
354  #      print STDERR "attrname: $_  ATTRref: $ref", "\n";  #      print STDERR "attrname: $_  ATTRref: $ref", "\n";
355        if ($ref && $_) {        if ($ref && $_) {
356          hash2object_traverse_mixin($_, $data, 1);          hash2object_traverse_mixin($_, $data, 1, $options);
357        } else {        } else {
358          $object->[$i] = $_;          $object->[$i] = $_;
359        }        }
# Line 356  sub hash2object_traverse_mixin { Line 366  sub hash2object_traverse_mixin {
366    
367    
368  # this function seems to do similar stuff like these below (refexpr2perlref & co.)  # this function seems to do similar stuff like these below (refexpr2perlref & co.)
369    # TODO: maybe this mechanism can be replaced completely through some nice module from CPAN .... ?   ;-)
370  sub getStructSlotByStringyAddress {  sub getStructSlotByStringyAddress {
371    my $var = shift;    my $var = shift;
372    my $indexstack_ref = shift;    my $indexstack_ref = shift;
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