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joko |
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# |
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# $Id: Common.pm,v 1.1 2002/10/10 03:26:00 cvsjoko Exp $ |
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# |
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# $Log: Common.pm,v $ |
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# Revision 1.1 2002/10/10 03:26:00 cvsjoko |
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# + new |
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# |
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############################################## |
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package Data::Transform::Deep; |
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use strict; |
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use warnings; |
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require Exporter; |
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our @ISA = qw( Exporter ); |
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our @EXPORT_OK = qw( |
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&var_NumericalHashToArray |
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&var_deref |
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&var_mixin |
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&getStructSlotByStringyAddress |
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); |
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use attributes; |
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sub var_NumericalHashToArray { |
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my $vref = shift; |
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#my $context = shift; |
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if (ref $vref eq 'HASH') { |
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foreach (keys %{$vref}) { |
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# if ((ref $vref->{$_}) =~ m/HASH/) { |
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if ((ref $vref->{$_}) =~ m/HASH/) { |
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if ($vref->{$_}{0}) { # might be a numerical-indexed array |
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#print "000\n"; |
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#print "context: $context\n"; |
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my @arr; |
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foreach my $key_numeric (sort keys %{$vref->{$_}}) { |
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push @arr, $vref->{$_}{$key_numeric}; |
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} |
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$vref->{$_} = \@arr; |
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} |
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var_NumericalHashToArray($vref->{$_}); |
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} |
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# } else { |
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# #$vref->{$_} = scalar2iso($vref->{$_}); |
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# } |
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} |
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} |
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} |
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sub var_deref { |
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my $obj = shift; |
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my $result; |
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if ((ref $obj) eq 'ARRAY') { |
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foreach (@{$obj}) { |
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my $ref = ref $_; |
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if ($ref) { |
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push(@{$result}, var_deref($_)); |
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} else { |
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push(@{$result}, $_); |
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} |
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} |
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} else { |
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foreach (keys %{$obj}) { |
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my $key = $_; |
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my $ref = ref $obj->{$_}; |
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if ($ref) { |
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$result->{$_} = var_deref($obj->{$_}); |
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} else { |
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$result->{$_} = $obj->{$_}; |
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} |
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} |
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} |
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return $result; |
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} |
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my @indexstack; |
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sub var_traverse_mixin_update { |
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my $obj = shift; |
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my $data = shift; |
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my $bool_recursion = shift; |
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if (!$bool_recursion) { |
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@indexstack = (); |
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} |
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my $result; |
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# 'ARRAY' does not work! |
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if ((ref $obj) eq 'ARRAY') { |
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#print "ARRAY\n"; |
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my $i = 0; |
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foreach (@{$obj}) { |
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push @indexstack, $i; |
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my $ref = ref $_; |
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if ($ref) { |
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#$obj->[$i] = var_mixin($_, $data, 1); |
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var_traverse_mixin_update($_, $data, 1); |
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} else { |
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$obj->[$i] = $_; |
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} |
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pop @indexstack; |
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$i++; |
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} |
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} else { |
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foreach (keys %{$obj}) { |
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push @indexstack, $_; |
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my $ref = ref $obj->{$_}; |
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if ($ref) { |
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#$obj->{$_} = var_mixin($obj->{$_}, $data, 1); |
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var_traverse_mixin_update($obj->{$_}, $data, 1); |
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} else { |
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#$obj->{$_} = $obj->{$_}; |
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my $evstring = getSlot($data); |
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$obj->{$_} = $evstring; |
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} |
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pop @indexstack; |
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} |
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} |
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#return $result; |
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} |
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sub getStructSlotByStringyAddress { |
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my $var = shift; |
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my $indexstack_ref = shift; |
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my @indexstack = @{$indexstack_ref}; |
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my $joiner = '->'; |
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my @evlist; |
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foreach (@indexstack) { |
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my $elem; |
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if ($_ =~ m/\d+/) { $elem = "[$_]"; } |
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if ($_ =~ m/\D+/) { $elem = "{$_}"; } |
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push @evlist, $elem; |
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} |
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my $evstring = join($joiner, @evlist); |
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$evstring = 'return $var->' . $evstring . ';'; |
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#print "ev: $evstring\n"; |
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return eval($evstring); |
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} |
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