1 |
joko |
1.7 |
## --------------------------------------------------------------------------- |
2 |
joko |
1.20 |
## $Id: Deep.pm,v 1.19 2003/03/28 03:11:25 jonen Exp $ |
3 |
joko |
1.7 |
## --------------------------------------------------------------------------- |
4 |
joko |
1.8 |
## $Log: Deep.pm,v $ |
5 |
joko |
1.20 |
## Revision 1.19 2003/03/28 03:11:25 jonen |
6 |
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## + bugfix |
7 |
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## |
8 |
jonen |
1.19 |
## Revision 1.18 2003/03/28 03:07:26 jonen |
9 |
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## + minor changes |
10 |
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## |
11 |
jonen |
1.18 |
## Revision 1.17 2003/03/27 15:17:07 joko |
12 |
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## namespace fixes for Data::Mungle::* |
13 |
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## |
14 |
joko |
1.17 |
## Revision 1.16 2003/03/27 15:04:52 joko |
15 |
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## minor update: comment |
16 |
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## |
17 |
joko |
1.16 |
## Revision 1.15 2003/02/27 14:39:48 jonen |
18 |
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## + fixed bug at _hash2object() |
19 |
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## |
20 |
jonen |
1.15 |
## Revision 1.14 2003/02/22 17:13:55 jonen |
21 |
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## + added function 'childObject2string()' to encode 'child'-references to option related string |
22 |
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## + use new option at 'expand()' for replacing 'childObject2string' |
23 |
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## |
24 |
jonen |
1.14 |
## Revision 1.13 2003/02/21 01:48:50 joko |
25 |
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## renamed core function |
26 |
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## |
27 |
joko |
1.13 |
## Revision 1.12 2003/02/20 22:45:19 joko |
28 |
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## fix regarding new deep_copy |
29 |
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## |
30 |
joko |
1.12 |
## Revision 1.11 2003/02/20 21:13:54 joko |
31 |
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## - removed implementation of deep_copy2 - get this from the Pitonyak namespace (now cloned to repository) |
32 |
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## |
33 |
joko |
1.11 |
## Revision 1.10 2003/02/20 20:48:00 joko |
34 |
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## - refactored lots of code to Data::Code::Ref |
35 |
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## + alternative 'deep_copy' implementation |
36 |
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## |
37 |
joko |
1.10 |
## Revision 1.9 2003/02/18 19:35:56 joko |
38 |
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## +- modified 'sub refexpr2perlref': now can get the $delimiter passed, too |
39 |
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## |
40 |
joko |
1.9 |
## Revision 1.8 2003/02/09 05:10:56 joko |
41 |
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## + minor update |
42 |
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## |
43 |
joko |
1.8 |
## Revision 1.7 2003/01/19 03:26:59 joko |
44 |
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## + added 'sub deep_copy' - refactored from libp |
45 |
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## + add 'sub merge' - exported from CPAN's 'Hash::Merge' |
46 |
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## |
47 |
joko |
1.7 |
## Revision 1.6 2002/12/23 11:27:53 jonen |
48 |
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## + changed behavior WATCH! |
49 |
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## |
50 |
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## Revision 1.5 2002/12/16 19:57:54 joko |
51 |
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## + option 'init' |
52 |
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## |
53 |
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## Revision 1.4 2002/12/05 13:56:49 joko |
54 |
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## - var_deref |
55 |
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## + expand - more sophisticated dereferencing with callbacks using Iterate |
56 |
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## |
57 |
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## Revision 1.3 2002/12/03 05:34:55 joko |
58 |
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## + bugfix: now utilizing var_utf2iso from Data::Transform::Encode |
59 |
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## |
60 |
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## Revision 1.2 2002/12/01 04:44:07 joko |
61 |
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## + code from Data::Transform::OO |
62 |
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## |
63 |
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## Revision 1.1 2002/11/29 04:49:20 joko |
64 |
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## + initial check-in |
65 |
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## |
66 |
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## Revision 1.1 2002/10/10 03:26:00 cvsjoko |
67 |
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## + new |
68 |
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## --------------------------------------------------------------------------- |
69 |
joko |
1.1 |
|
70 |
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71 |
joko |
1.17 |
package Data::Mungle::Transform::Deep; |
72 |
joko |
1.1 |
|
73 |
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use strict; |
74 |
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use warnings; |
75 |
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76 |
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require Exporter; |
77 |
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our @ISA = qw( Exporter ); |
78 |
joko |
1.2 |
our @EXPORT_OK = qw( |
79 |
joko |
1.4 |
&expand |
80 |
joko |
1.7 |
&deep_copy |
81 |
joko |
1.10 |
&merge_to |
82 |
joko |
1.1 |
); |
83 |
joko |
1.10 |
|
84 |
joko |
1.1 |
|
85 |
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use attributes; |
86 |
joko |
1.2 |
use Data::Dumper; |
87 |
joko |
1.10 |
use Iterate; |
88 |
joko |
1.7 |
|
89 |
joko |
1.12 |
use Pitonyak::DeepCopy; |
90 |
joko |
1.17 |
use Data::Mungle::Transform::Encode qw( latin_to_utf8 latin_to_utf8_scalar utf8_to_latin utf8_to_latin_scalar ); |
91 |
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use Data::Mungle::Code::Ref qw( ref_slot ); |
92 |
joko |
1.1 |
|
93 |
joko |
1.10 |
sub numhash2list { |
94 |
joko |
1.1 |
my $vref = shift; |
95 |
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#my $context = shift; |
96 |
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if (ref $vref eq 'HASH') { |
97 |
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foreach (keys %{$vref}) { |
98 |
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# if ((ref $vref->{$_}) =~ m/HASH/) { |
99 |
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if ((ref $vref->{$_}) =~ m/HASH/) { |
100 |
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if ($vref->{$_}{0}) { # might be a numerical-indexed array |
101 |
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#print "000\n"; |
102 |
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#print "context: $context\n"; |
103 |
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my @arr; |
104 |
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foreach my $key_numeric (sort keys %{$vref->{$_}}) { |
105 |
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push @arr, $vref->{$_}{$key_numeric}; |
106 |
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} |
107 |
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$vref->{$_} = \@arr; |
108 |
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} |
109 |
joko |
1.10 |
numhash2list($vref->{$_}); |
110 |
joko |
1.1 |
} |
111 |
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# } else { |
112 |
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# #$vref->{$_} = scalar2iso($vref->{$_}); |
113 |
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# } |
114 |
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} |
115 |
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} |
116 |
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} |
117 |
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118 |
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119 |
joko |
1.9 |
# FIXME: could this be refactored using expand? |
120 |
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# btw: "expand": look at scripts@CPAN (System Administration): |
121 |
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# there is a perl make with perl |
122 |
joko |
1.10 |
sub _var_deref_test { |
123 |
joko |
1.1 |
my $obj = shift; |
124 |
joko |
1.4 |
my $options = shift; |
125 |
joko |
1.1 |
my $result; |
126 |
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if ((ref $obj) eq 'ARRAY') { |
127 |
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foreach (@{$obj}) { |
128 |
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my $ref = ref $_; |
129 |
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if ($ref) { |
130 |
joko |
1.4 |
push(@{$result}, var_deref($_, $options)); |
131 |
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#undef $_; |
132 |
joko |
1.1 |
} else { |
133 |
joko |
1.4 |
#push(@{$result}, $_); |
134 |
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push(@{$result}, deep_copy($_)); |
135 |
joko |
1.1 |
} |
136 |
joko |
1.4 |
#undef $_ if $options->{destroy}; |
137 |
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#$options->{destroy}->($_) if $options->{destroy}; |
138 |
joko |
1.1 |
} |
139 |
joko |
1.2 |
# TODO: "} elsif (ref $obj eq 'HASH') { [...] } else { croak 'could not deref blah'; }" ??? |
140 |
joko |
1.1 |
} else { |
141 |
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foreach (keys %{$obj}) { |
142 |
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my $key = $_; |
143 |
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my $ref = ref $obj->{$_}; |
144 |
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if ($ref) { |
145 |
joko |
1.4 |
$result->{$_} = var_deref($obj->{$_}, $options); |
146 |
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#undef $obj->{$_}; |
147 |
joko |
1.1 |
} else { |
148 |
joko |
1.4 |
#$result->{$_} = $obj->{$_}; |
149 |
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$result->{$_} = deep_copy($obj->{$_}); |
150 |
joko |
1.1 |
} |
151 |
joko |
1.4 |
#undef $obj->{$_} if $options->{destroy}; |
152 |
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#$options->{destroy}->($obj->{$_}) if $options->{destroy}; |
153 |
joko |
1.1 |
} |
154 |
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} |
155 |
joko |
1.4 |
#undef $obj if $options->{destroy}; |
156 |
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$options->{cb_destroy}->($obj) if $options->{cb_destroy}; |
157 |
joko |
1.1 |
return $result; |
158 |
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} |
159 |
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160 |
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161 |
joko |
1.13 |
# convert values in hash to utf8 (and back) to be ready for (e.g.) encapsulation in XML |
162 |
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# but still using the known latin locale stuff |
163 |
joko |
1.4 |
sub expand { |
164 |
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165 |
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my $obj = shift; |
166 |
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my $options = shift; |
167 |
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my $result; |
168 |
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169 |
joko |
1.10 |
#print "ref: ", ref $obj, "\n"; |
170 |
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171 |
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if (ref $obj eq 'ARRAY') { |
172 |
joko |
1.4 |
|
173 |
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IterArray @$obj, sub { |
174 |
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my $item; |
175 |
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# if current item is a reference ... |
176 |
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if (ref $_[0]) { |
177 |
jonen |
1.14 |
$item = $_[0]; |
178 |
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# if $options->{childObj2string} is TRUE or STRING don't expand referenced object, |
179 |
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# instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> ) |
180 |
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if ($item && $options->{childObj2string}) { |
181 |
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$item = childObj2string($item, $options->{childObj2string}); |
182 |
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} else { |
183 |
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# ... expand structure recursively |
184 |
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$item = expand($_[0], $options); |
185 |
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} |
186 |
joko |
1.4 |
# destroy item via seperate callback method (a POST) if requested |
187 |
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#$options->{cb}->{destroy}->($_[0]) if $options->{destroy}; |
188 |
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189 |
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# ... assume plain scalar |
190 |
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} else { |
191 |
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#$item = deep_copy($_[0]); |
192 |
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$item = $_[0]; |
193 |
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# conversions/encodings |
194 |
joko |
1.10 |
$item = latin_to_utf8_scalar($item) if ($item && $options->{utf8}); |
195 |
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$item = utf8_to_latin_scalar($item) if ($item && $options->{to_latin}); |
196 |
joko |
1.4 |
} |
197 |
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#push(@{$result}, $item) if $item; # use item only if not undef (TODO: make configurable via $options) |
198 |
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push(@{$result}, $item); # use item in any case |
199 |
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200 |
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} |
201 |
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202 |
joko |
1.10 |
} elsif (ref $obj eq 'CODE') { |
203 |
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#print Dumper($obj); |
204 |
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#exit; |
205 |
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206 |
joko |
1.4 |
# TODO: "} elsif (ref $obj eq 'HASH') { [...] } else { croak 'could not deref blah'; }" ??? |
207 |
joko |
1.10 |
} elsif (ref $obj) { |
208 |
joko |
1.4 |
|
209 |
|
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IterHash %$obj, sub { |
210 |
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my $item; |
211 |
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212 |
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# if current item is a reference ... |
213 |
|
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if (ref $_[1]) { |
214 |
jonen |
1.14 |
$item = $_[1]; |
215 |
|
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# if $options->{childObj2string} is TRUE or STRING don't expand referenced object, |
216 |
|
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# instead replace it by per option choosed string (default: o_<classname>_<ref type>_<guid> ) |
217 |
|
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if ($item && $options->{childObj2string} && !(ref $_[1] eq "ARRAY") && !(ref $_[1] eq "HASH")) { |
218 |
|
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$item = childObj2string($item, $options->{childObj2string}); |
219 |
|
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} else { |
220 |
|
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# ... expand structure recursively |
221 |
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$item = expand($_[1], $options); |
222 |
|
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} |
223 |
joko |
1.4 |
# destroy item via seperate callback method (a POST) if requested |
224 |
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#$options->{cb}->{destroy}->($_[1]) if $options->{destroy}; |
225 |
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|
226 |
|
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# ... assume plain scalar |
227 |
|
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} else { |
228 |
|
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#$item = deep_copy($_[1]); |
229 |
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$item = $_[1]; |
230 |
|
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# conversions/encodings |
231 |
joko |
1.10 |
$item = latin_to_utf8_scalar($item) if ($item && $options->{utf8}); |
232 |
|
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$item = utf8_to_latin_scalar($item) if ($item && $options->{to_latin}); |
233 |
joko |
1.4 |
} |
234 |
|
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#$result->{$_[0]} = $item if $item; # use item only if not undef (TODO: make configurable via $options) |
235 |
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$result->{$_[0]} = $item; # use item in any case |
236 |
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} |
237 |
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238 |
joko |
1.10 |
} else { |
239 |
|
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#die ("not a reference!"); |
240 |
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$result = $obj; |
241 |
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|
242 |
joko |
1.4 |
} |
243 |
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|
244 |
|
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# convert all values to utf8 (inside complex struct) |
245 |
|
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# now done in core-item-callbacks via Greg London's "Iterate" from CPAN |
246 |
joko |
1.13 |
# latin_to_utf8($result) if ($options->{utf8}); |
247 |
joko |
1.4 |
|
248 |
|
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# destroy persistent object from memory to be sure to get a fresh one next time |
249 |
|
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#undef $obj if $options->{destroy}; |
250 |
|
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#$options->{cb_destroy}->($obj) if $options->{cb_destroy}; |
251 |
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#$options->{cb}->{destroy}->($obj) if $options->{destroy}; |
252 |
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253 |
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return $result; |
254 |
|
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} |
255 |
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256 |
joko |
1.1 |
|
257 |
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258 |
|
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my @indexstack; |
259 |
joko |
1.10 |
sub _var_traverse_mixin_update_old { |
260 |
joko |
1.1 |
my $obj = shift; |
261 |
|
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my $data = shift; |
262 |
|
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my $bool_recursion = shift; |
263 |
|
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if (!$bool_recursion) { |
264 |
|
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@indexstack = (); |
265 |
|
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} |
266 |
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my $result; |
267 |
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268 |
|
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# 'ARRAY' does not work! |
269 |
|
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if ((ref $obj) eq 'ARRAY') { |
270 |
|
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#print "ARRAY\n"; |
271 |
|
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my $i = 0; |
272 |
|
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foreach (@{$obj}) { |
273 |
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push @indexstack, $i; |
274 |
|
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my $ref = ref $_; |
275 |
|
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if ($ref) { |
276 |
|
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#$obj->[$i] = var_mixin($_, $data, 1); |
277 |
|
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var_traverse_mixin_update($_, $data, 1); |
278 |
|
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} else { |
279 |
|
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$obj->[$i] = $_; |
280 |
|
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} |
281 |
|
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pop @indexstack; |
282 |
|
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$i++; |
283 |
|
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} |
284 |
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} else { |
285 |
|
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foreach (keys %{$obj}) { |
286 |
|
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push @indexstack, $_; |
287 |
|
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my $ref = ref $obj->{$_}; |
288 |
|
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if ($ref) { |
289 |
|
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#$obj->{$_} = var_mixin($obj->{$_}, $data, 1); |
290 |
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var_traverse_mixin_update($obj->{$_}, $data, 1); |
291 |
|
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} else { |
292 |
|
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#$obj->{$_} = $obj->{$_}; |
293 |
|
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my $evstring = getSlot($data); |
294 |
|
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$obj->{$_} = $evstring; |
295 |
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296 |
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} |
297 |
|
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pop @indexstack; |
298 |
|
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} |
299 |
|
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} |
300 |
|
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#return $result; |
301 |
|
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} |
302 |
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|
303 |
joko |
1.10 |
sub merge_to { |
304 |
|
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_hash2object(@_); |
305 |
|
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# TODO: |
306 |
joko |
1.16 |
# re-implement using CPAN's "Iterate" and/or a modified Hash::Merge. |
307 |
joko |
1.2 |
} |
308 |
|
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|
309 |
joko |
1.10 |
|
310 |
joko |
1.2 |
# todo: maybe do diff(s) here sometimes!? |
311 |
joko |
1.10 |
sub _hash2object { |
312 |
joko |
1.2 |
my $object = shift; |
313 |
|
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my $data = shift; |
314 |
|
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my $options = shift; |
315 |
|
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|
316 |
joko |
1.3 |
#print "hash2object", "\n"; |
317 |
|
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|
318 |
joko |
1.2 |
# "patch" needed 'cause php passes numerical-indexed-arrays as hash-tables, |
319 |
|
|
# this method corrects this |
320 |
joko |
1.10 |
numhash2list($data) if ($options->{php}); |
321 |
joko |
1.2 |
|
322 |
|
|
# utf8-conversion/-encoding (essential for I18N) |
323 |
jonen |
1.15 |
utf8_to_latin($data) if ($options->{utf8}); |
324 |
joko |
1.2 |
|
325 |
|
|
# get fresh object from database |
326 |
|
|
# todo: |
327 |
|
|
# - handle "locked" objects !!! |
328 |
|
|
# - check if already another update occoured (object-revisioning needed!) |
329 |
|
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#my $obj = $self->getObject($oid); |
330 |
|
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|
331 |
|
|
# mix changes into fresh object and save it back |
332 |
joko |
1.10 |
_hash2object_traverse_mixin($object, $data, 0, $options); |
333 |
joko |
1.2 |
|
334 |
|
|
# done in core mixin function? |
335 |
|
|
#$self->{storage}->update($obj); |
336 |
|
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|
337 |
|
|
# we should "undef" some objects here to destroy them in memory and enforce reloading when used next time |
338 |
|
|
# simulate: |
339 |
|
|
#$self->{storage}->disconnect(); |
340 |
|
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|
341 |
|
|
} |
342 |
|
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|
343 |
|
|
# ------------------------------------ |
344 |
|
|
# core mixin function |
345 |
|
|
# TODO-FEATURE: make this possible in a reverse way: object is empty (no fields) and gets filled up by mixin-data |
346 |
|
|
|
347 |
|
|
# remember keys of structures we are traversing |
348 |
|
|
# this is a HACK: |
349 |
|
|
# - don't (!!!) "packageglobal" @indexstack |
350 |
|
|
# - it will lead to problems with parallelism! |
351 |
|
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|
352 |
|
|
#my @indexstack; |
353 |
|
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|
354 |
|
|
# traverse a deeply nested structure, mix in values from given hash, update underlying tangram-object |
355 |
joko |
1.10 |
sub _hash2object_traverse_mixin { |
356 |
joko |
1.2 |
my $object = shift; |
357 |
|
|
my $data = shift; |
358 |
|
|
my $bool_recursion = shift; |
359 |
joko |
1.5 |
my $options = shift; |
360 |
joko |
1.2 |
|
361 |
|
|
# clear our key - stack if we are called from user-code (non-recursively) |
362 |
|
|
@indexstack = () if (!$bool_recursion); |
363 |
|
|
|
364 |
|
|
my $classname = ref $object; |
365 |
|
|
# if ($classname) { |
366 |
|
|
# print STDERR "*****************", Dumper(Class::Tangram::attribute_types($classname)), "\n"; |
367 |
|
|
# } |
368 |
|
|
|
369 |
|
|
# parser: detected OBJECT (a Tangram one?) (reftype == HASH) (assume) |
370 |
|
|
# what's exactly done here? hmmm.... it works ;) |
371 |
|
|
# maybe a HACK: please try not to use "IntrHash"es, maybe this cannot handle them!!! |
372 |
|
|
# extend! check! |
373 |
joko |
1.10 |
|
374 |
|
|
#print attributes::reftype($object), "\n"; |
375 |
|
|
|
376 |
|
|
# V1 |
377 |
|
|
#if ((attributes::reftype($object) eq 'HASH') && (ref($object) ne 'HASH') && (ref($object) ne 'ARRAY')) { |
378 |
|
|
# V2 |
379 |
|
|
my $reftype = attributes::reftype($object); |
380 |
|
|
#print "reftype: '$reftype'", "\n"; |
381 |
|
|
if ($reftype eq 'HASH') { |
382 |
joko |
1.2 |
|
383 |
|
|
# print STDERR "===", "reftype: ", attributes::reftype($obj), "\n"; |
384 |
|
|
|
385 |
joko |
1.5 |
my @fields; |
386 |
joko |
1.2 |
# loop through fields of object (Tangram-object) |
387 |
joko |
1.5 |
@fields = keys %{$object}; |
388 |
|
|
|
389 |
|
|
# loop through fields of to.be.injected-data (arbitrary Perl-data-structure) |
390 |
|
|
@fields = keys %{$data} if $options->{init}; |
391 |
jonen |
1.6 |
# @fields = keys %{$data} if $options->{mixin}; |
392 |
joko |
1.5 |
|
393 |
|
|
foreach (@fields) { |
394 |
joko |
1.7 |
my $field = $_; |
395 |
|
|
push @indexstack, $field; |
396 |
joko |
1.2 |
|
397 |
|
|
# determine type of object |
398 |
joko |
1.7 |
my $ref = ref $object->{$field}; |
399 |
joko |
1.2 |
# print STDERR "attrname: $_ ATTRref: $ref", "\n"; |
400 |
|
|
if ($ref) { |
401 |
joko |
1.10 |
_hash2object_traverse_mixin($object->{$field}, $data, 1, $options); |
402 |
joko |
1.2 |
} else { |
403 |
joko |
1.10 |
my $val = ref_slot($data, \@indexstack); |
404 |
joko |
1.7 |
|
405 |
joko |
1.8 |
#print Dumper($options); |
406 |
joko |
1.7 |
my $field_target = $field; |
407 |
|
|
if (my $pattern = $options->{pattern_strip_key}) { |
408 |
|
|
print "pattern: $pattern", "\n"; |
409 |
|
|
$field_target =~ s/$pattern//; |
410 |
|
|
print "field: $field_target", "\n"; |
411 |
|
|
} |
412 |
|
|
|
413 |
|
|
$object->{$field_target} = $val if defined $val; |
414 |
joko |
1.2 |
} |
415 |
|
|
pop @indexstack; |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
# save object to database ... |
419 |
|
|
# ... do an update if it already exists, do an insert if it doesn't |
420 |
|
|
# my $objectId = $self->{storage}->id($obj); |
421 |
|
|
# $logger->debug( __PACKAGE__ . "->saveObjectFromHash_traverse_mixin_update( object $obj objectId $objectId )" ); |
422 |
|
|
# if ($objectId) { |
423 |
|
|
# $self->{storage}->update($obj); |
424 |
|
|
|
425 |
|
|
#print __PACKAGE__ . ":", "\n"; |
426 |
|
|
#print Dumper($object); |
427 |
|
|
|
428 |
|
|
# } else { |
429 |
|
|
# $self->{storage}->insert($obj); |
430 |
|
|
# } |
431 |
|
|
|
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
#&& ( ref($obj) ne 'HASH' ) |
435 |
|
|
|
436 |
|
|
# loop through entries of array (IntrArray, isn't it?) |
437 |
|
|
if ((ref $object) eq 'ARRAY') { |
438 |
|
|
# print STDERR "===", "refttype ", attributes::reftype($obj), "\n"; |
439 |
|
|
my $i = 0; |
440 |
|
|
foreach (@{$object}) { |
441 |
|
|
push @indexstack, $i; |
442 |
|
|
my $ref = ref $_; |
443 |
|
|
# print STDERR "attrname: $_ ATTRref: $ref", "\n"; |
444 |
jonen |
1.6 |
# if ($ref && $_) { |
445 |
|
|
if ($ref) { |
446 |
joko |
1.10 |
_hash2object_traverse_mixin($_, $data, 1, $options); |
447 |
joko |
1.2 |
} else { |
448 |
jonen |
1.6 |
$object->[$i] = $_ if defined $_; |
449 |
joko |
1.2 |
} |
450 |
|
|
pop @indexstack; |
451 |
|
|
$i++; |
452 |
|
|
} |
453 |
joko |
1.10 |
|
454 |
|
|
=pod |
455 |
|
|
# object? |
456 |
|
|
} else { |
457 |
|
|
print "reference: ", ref $object, "\n"; |
458 |
|
|
print "reftype: ", $reftype, "\n"; |
459 |
|
|
die(__PACKAGE__ . "->_hash2object_traverse_mixin: can not handle this!"); |
460 |
|
|
=cut |
461 |
|
|
|
462 |
joko |
1.2 |
} |
463 |
|
|
|
464 |
|
|
} |
465 |
|
|
|
466 |
|
|
|
467 |
joko |
1.10 |
# ACK's go to Randal L. Schwartz <merlyn@stonehenge.com> |
468 |
|
|
# on the website: |
469 |
|
|
# This text is copyright by Miller-Freeman, Inc., and is used with their permission. |
470 |
|
|
# Further distribution or use is not permitted. |
471 |
|
|
# please visit http://www.stonehenge.com/merlyn/UnixReview/col30.html |
472 |
|
|
sub deep_copy1 { |
473 |
|
|
my $this = shift; |
474 |
|
|
if (not ref $this) { |
475 |
|
|
$this; |
476 |
|
|
} elsif (ref $this eq "ARRAY") { |
477 |
|
|
[map deep_copy1($_), @$this]; |
478 |
|
|
} elsif (ref $this eq "HASH") { |
479 |
|
|
+{map { $_ => deep_copy1($this->{$_}) } keys %$this}; |
480 |
|
|
} elsif (ref $this eq "CODE") { |
481 |
|
|
$this; |
482 |
|
|
} else { die "deep_copy1 asks: what type is $this?" } |
483 |
|
|
#} else { print "deep_copy asks: what type is $this?", "\n"; } |
484 |
joko |
1.2 |
} |
485 |
|
|
|
486 |
joko |
1.10 |
# ACK's go to Andrew Pitonyak |
487 |
|
|
# Copyright 2002, Andrew Pitonyak (perlboy@pitonyak.org) |
488 |
|
|
# please visit: http://www.pitonyak.org/code/perl/Pitonyak/DeepCopy.pm.html |
489 |
joko |
1.7 |
sub deep_copy { |
490 |
joko |
1.12 |
Pitonyak::DeepCopy::deep_copy(@_); |
491 |
jonen |
1.14 |
} |
492 |
|
|
|
493 |
|
|
|
494 |
joko |
1.20 |
# encodes object-references to serialized string representations |
495 |
|
|
# made up of: |
496 |
|
|
# - 'o_<classname>_<ref type>_<guid>'??? |
497 |
|
|
# - 'o_{guid}_{classname}'!!! |
498 |
jonen |
1.14 |
sub childObj2string { |
499 |
|
|
my $obj = shift; |
500 |
|
|
my $option = shift; |
501 |
joko |
1.20 |
my $string = 'n/a'; |
502 |
|
|
|
503 |
|
|
if ($option == 1) { |
504 |
|
|
if ((my $classname = ref $obj) && (my $guid = $obj->{guid})) { |
505 |
|
|
$string = join('_', 'o', $guid, $classname); |
506 |
|
|
} |
507 |
|
|
} |
508 |
jonen |
1.14 |
|
509 |
jonen |
1.18 |
return $string; |
510 |
joko |
1.1 |
} |
511 |
joko |
1.12 |
|
512 |
joko |
1.1 |
|
513 |
|
|
1; |
514 |
joko |
1.10 |
__END__ |