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joko |
1.3 |
## ------------------------------------------------------------------------- |
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joko |
1.5 |
## $Id: Encode.pm,v 1.4 2003/03/27 15:17:07 joko Exp $ |
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joko |
1.3 |
## ------------------------------------------------------------------------- |
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## $Log: Encode.pm,v $ |
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joko |
1.5 |
## Revision 1.4 2003/03/27 15:17:07 joko |
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## namespace fixes for Data::Mungle::* |
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## |
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joko |
1.4 |
## Revision 1.3 2003/02/20 20:48:36 joko |
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## renamed methods |
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## |
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joko |
1.3 |
## Revision 1.2 2002/12/05 13:57:22 joko |
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## + now able to export 'scalar2utf8' |
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## + comments |
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## |
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## Revision 1.1 2002/11/29 04:49:20 joko |
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## + initial check-in |
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## |
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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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joko |
1.1 |
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joko |
1.4 |
package Data::Mungle::Transform::Encode; |
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joko |
1.1 |
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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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joko |
1.5 |
our @EXPORT_OK = qw( |
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&latin_to_utf8 |
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&latin_to_utf8_scalar |
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&utf8_to_latin |
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&utf8_to_latin_scalar |
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&twingle_reference |
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); |
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joko |
1.3 |
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joko |
1.1 |
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use Unicode::String qw(utf8 latin1); |
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joko |
1.2 |
# TODO: refactor using Greg London's "Iterate" from CPAN |
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joko |
1.3 |
sub latin_to_utf8 { |
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joko |
1.1 |
my $vref = 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/ARRAY|HASH/) { |
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joko |
1.3 |
latin_to_utf8($vref->{$_}); |
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joko |
1.1 |
} else { |
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joko |
1.3 |
$vref->{$_} = latin_to_utf8_scalar($vref->{$_}); |
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joko |
1.1 |
} |
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} |
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} elsif (ref $vref eq 'ARRAY') { |
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foreach (@{$vref}) { |
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if (ref $_ ne 'SCALAR') { |
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joko |
1.3 |
latin_to_utf8($_); |
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joko |
1.1 |
} else { |
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joko |
1.3 |
$_ = latin_to_utf8_scalar($_); |
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joko |
1.1 |
} |
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} |
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} |
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} |
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joko |
1.3 |
sub latin_to_utf8_scalar { |
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joko |
1.1 |
my $scalar = shift; |
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if ($scalar) { |
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my $u = latin1($scalar); |
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return $u->utf8; |
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} |
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} |
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joko |
1.2 |
# TODO: refactor using Greg London's "Iterate" from CPAN |
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joko |
1.3 |
sub utf8_to_latin { |
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joko |
1.1 |
my $vref = 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/ARRAY|HASH/) { |
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joko |
1.3 |
utf8_to_latin($vref->{$_}); |
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joko |
1.1 |
} else { |
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joko |
1.3 |
$vref->{$_} = utf8_to_latin_scalar($vref->{$_}); |
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joko |
1.1 |
} |
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} |
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} elsif (ref $vref eq 'ARRAY') { |
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foreach (@{$vref}) { |
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if (ref $_ ne 'SCALAR') { |
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joko |
1.3 |
utf8_to_latin($_); |
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joko |
1.1 |
} else { |
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joko |
1.3 |
$_ = utf8_to_latin_scalar($_); |
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joko |
1.1 |
} |
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} |
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} |
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} |
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joko |
1.3 |
sub utf8_to_latin_scalar { |
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joko |
1.1 |
my $scalar = shift; |
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if ($scalar) { |
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my $u = utf8($scalar); |
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return $u->latin1; |
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} |
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} |
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joko |
1.5 |
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# encodes object-references to serialized string representations |
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# made up of: |
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# - 'o_<classname>_<ref type>_<guid>'??? |
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# - 'o_{guid}_{classname}'!!! |
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# TODO: enhance further! |
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# make it possible to twingle OID-, GUID- and/or other references |
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sub twingle_reference { |
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my $obj = shift; |
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my $option = shift; |
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my $string = 'n/a'; |
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#if ($option == 1) { |
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if ((my $classname = ref $obj) && (my $guid = $obj->{guid})) { |
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$string = join('_', 'o', $guid, $classname); |
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} |
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#} |
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return $string; |
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} |
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joko |
1.1 |
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1; |
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joko |
1.3 |
__END__ |
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