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package Data::All::Format::Fixed; |
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# $Id: Fixed.pm,v 1.1.1.1 2005/05/10 23:56:20 dmandelbaum Exp $ |
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use strict; |
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use warnings; |
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use Data::Dumper; |
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use Data::All::Format::Base; |
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use vars qw(@EXPORT $VERSION); |
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@EXPORT = qw(); |
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$VERSION = 0.11; |
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use base 'Exporter'; |
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our @EXPORT = qw(new internal attribute populate error init); |
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attribute 'lengths' => []; |
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attribute 'break' => "\n"; # currently useless b/c it's hardcoded below |
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attribute 'type'; |
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sub expand($); |
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sub contract(\@); |
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# TODO: Forward look to defined lengths if they are blank |
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sub expand($) |
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{ |
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my $self = shift; |
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my $record = shift; |
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my $template = $self->pack_template(); |
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return unpack($template, $record); |
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} |
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sub contract(\@) |
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{ |
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my $self = shift; |
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my $values = shift; |
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my $template = $self->pack_template(); |
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# NOTE: Line break is hardcoded to \n |
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return pack($template, @{ $values })."\n"; |
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} |
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sub pack_template() |
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{ |
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my $self = shift; |
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my @template; |
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foreach my $e (@{ $self->lengths }) |
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{ |
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push(@template, "A$e"); |
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} |
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return !wantarray ? join(' ', @template) : @template; |
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} |
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1; |