/[cvs]/nfo/perl/libs/Data/Mungle/Transform/Deep.pm
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revision 1.11 by joko, Thu Feb 20 21:13:54 2003 UTC revision 1.21 by joko, Wed Apr 9 07:21:56 2003 UTC
# Line 2  Line 2 
2  ##  $Id$  ##  $Id$
3  ## ---------------------------------------------------------------------------  ## ---------------------------------------------------------------------------
4  ##  $Log$  ##  $Log$
5    ##  Revision 1.21  2003/04/09 07:21:56  joko
6    ##  childObj2string now inside Encode.pm, renamed to 'twingle_reference'
7    ##
8    ##  Revision 1.20  2003/04/04 17:31:23  joko
9    ##  minor update to 'childObj2string'
10    ##
11    ##  Revision 1.19  2003/03/28 03:11:25  jonen
12    ##  + bugfix
13    ##
14    ##  Revision 1.18  2003/03/28 03:07:26  jonen
15    ##  + minor changes
16    ##
17    ##  Revision 1.17  2003/03/27 15:17:07  joko
18    ##  namespace fixes for Data::Mungle::*
19    ##
20    ##  Revision 1.16  2003/03/27 15:04:52  joko
21    ##  minor update: comment
22    ##
23    ##  Revision 1.15  2003/02/27 14:39:48  jonen
24    ##  + fixed bug at _hash2object()
25    ##
26    ##  Revision 1.14  2003/02/22 17:13:55  jonen
27    ##  + added function 'childObject2string()' to encode 'child'-references to option related string
28    ##  + use new option at 'expand()' for replacing 'childObject2string'
29    ##
30    ##  Revision 1.13  2003/02/21 01:48:50  joko
31    ##  renamed core function
32    ##
33    ##  Revision 1.12  2003/02/20 22:45:19  joko
34    ##  fix regarding new deep_copy
35    ##
36  ##  Revision 1.11  2003/02/20 21:13:54  joko  ##  Revision 1.11  2003/02/20 21:13:54  joko
37  ##  - removed implementation of deep_copy2 - get this from the Pitonyak namespace (now cloned to repository)  ##  - removed implementation of deep_copy2 - get this from the Pitonyak namespace (now cloned to repository)
38  ##  ##
# Line 43  Line 74 
74  ## ---------------------------------------------------------------------------  ## ---------------------------------------------------------------------------
75    
76    
77  package Data::Transform::Deep;  package Data::Mungle::Transform::Deep;
78    
79  use strict;  use strict;
80  use warnings;  use warnings;
# Line 61  use attributes; Line 92  use attributes;
92  use Data::Dumper;  use Data::Dumper;
93  use Iterate;  use Iterate;
94    
95  use Data::Transform::Encode qw( latin_to_utf8 latin_to_utf8_scalar utf8_to_latin utf8_to_latin_scalar );  use Pitonyak::DeepCopy;
96  use Data::Code::Ref qw( ref_slot );  use Data::Mungle::Transform::Encode qw( latin_to_utf8 latin_to_utf8_scalar utf8_to_latin utf8_to_latin_scalar twingle_reference );
97    use Data::Mungle::Code::Ref qw( ref_slot );
98    
99  sub numhash2list {  sub numhash2list {
100    my $vref = shift;    my $vref = shift;
# Line 132  sub _var_deref_test { Line 164  sub _var_deref_test {
164  }  }
165    
166    
167    # convert values in hash to utf8 (and back) to be ready for (e.g.) encapsulation in XML
168    # but still using the known latin locale stuff
169  sub expand {  sub expand {
170    
171    my $obj = shift;    my $obj = shift;
# Line 146  sub expand { Line 180  sub expand {
180        my $item;        my $item;
181        # if current item is a reference ...        # if current item is a reference ...
182        if (ref $_[0]) {        if (ref $_[0]) {
183          # ... expand structure recursively          $item = $_[0];
184          $item = expand($_[0], $options);          # if $options->{childObj2string} is TRUE or STRING don't expand referenced object,
185            # instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> )
186            if ($item && $options->{childObj2string}) {
187              $item = twingle_reference($item);
188            } else {
189              # ... expand structure recursively
190              $item = expand($_[0], $options);
191            }
192          # destroy item via seperate callback method (a POST) if requested          # destroy item via seperate callback method (a POST) if requested
193          #$options->{cb}->{destroy}->($_[0]) if $options->{destroy};          #$options->{cb}->{destroy}->($_[0]) if $options->{destroy};
194    
# Line 176  sub expand { Line 217  sub expand {
217                
218        # if current item is a reference ...        # if current item is a reference ...
219        if (ref $_[1]) {        if (ref $_[1]) {
220          # ... expand structure recursively          $item = $_[1];
221          $item = expand($_[1], $options);          # if $options->{childObj2string} is TRUE or STRING don't expand referenced object,
222            # instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> )
223            if ($item && $options->{childObj2string} && !(ref $_[1] eq "ARRAY") && !(ref $_[1] eq "HASH")) {
224              $item = twingle_reference($item);
225            } else {
226              # ... expand structure recursively
227              $item = expand($_[1], $options);
228            }
229          # destroy item via seperate callback method (a POST) if requested          # destroy item via seperate callback method (a POST) if requested
230          #$options->{cb}->{destroy}->($_[1]) if $options->{destroy};          #$options->{cb}->{destroy}->($_[1]) if $options->{destroy};
231                
# Line 201  sub expand { Line 249  sub expand {
249    
250    # convert all values to utf8 (inside complex struct)    # convert all values to utf8 (inside complex struct)
251      # now done in core-item-callbacks via Greg London's "Iterate" from CPAN      # now done in core-item-callbacks via Greg London's "Iterate" from CPAN
252      # var2utf8($result) if ($options->{utf8});      # latin_to_utf8($result) if ($options->{utf8});
253    
254    # destroy persistent object from memory to be sure to get a fresh one next time    # destroy persistent object from memory to be sure to get a fresh one next time
255    #undef $obj if $options->{destroy};    #undef $obj if $options->{destroy};
# Line 261  sub _var_traverse_mixin_update_old { Line 309  sub _var_traverse_mixin_update_old {
309  sub merge_to {  sub merge_to {
310    _hash2object(@_);    _hash2object(@_);
311    # TODO:    # TODO:
312    # re-implement using CPAN's "Iterate".    # re-implement using CPAN's "Iterate" and/or a modified Hash::Merge.
313  }  }
314    
315    
# Line 278  sub _hash2object { Line 326  sub _hash2object {
326    numhash2list($data) if ($options->{php});    numhash2list($data) if ($options->{php});
327    
328    # utf8-conversion/-encoding (essential for I18N)    # utf8-conversion/-encoding (essential for I18N)
329    var_utf2iso($data) if ($options->{utf8});    utf8_to_latin($data) if ($options->{utf8});
330    
331    # get fresh object from database    # get fresh object from database
332    # todo:    # todo:
# Line 445  sub deep_copy1 { Line 493  sub deep_copy1 {
493  # Copyright 2002, Andrew Pitonyak (perlboy@pitonyak.org)  # Copyright 2002, Andrew Pitonyak (perlboy@pitonyak.org)
494  # please visit: http://www.pitonyak.org/code/perl/Pitonyak/DeepCopy.pm.html  # please visit: http://www.pitonyak.org/code/perl/Pitonyak/DeepCopy.pm.html
495  sub deep_copy {  sub deep_copy {
496    Pitonyak::deep_copy(@_);    Pitonyak::DeepCopy::deep_copy(@_);
497  }  }
498    
499    
500  1;  1;
501  __END__  __END__
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