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package Getopt::ArgParse::ActionStore;
use strict;
use warnings;
use Carp;
use Getopt::ArgParse::Parser;
sub apply {
my $self = shift;
my ($spec, $namespace, $values) = @_;
$values ||= [];
return sprintf(
'%s can only have one value',
$spec->{dest},
) if @$values > 1;
if ($spec->{type} == Getopt::ArgParse::Parser::TYPE_BOOL) {
# If there is default true or false
my $default = $spec->{default} || [ 0 ];
if (@$values) {
# Negate the default if the arg appears on the command
# line
$namespace->set_attr($spec->{dest}, !$default->[0]);
} else {
$namespace->set_attr($spec->{dest}, $default->[0]);
}
# make no_arg available
$namespace->set_attr( 'no_' . $spec->{dest}, !$namespace->get_attr($spec->{dest}) );
return;
}
# Don't set it to undef. We may operate on a namespace with this
# attr already set. In that case we don't want to override it.
return unless @$values;
my $v = $values->[0];
$namespace->set_attr($spec->{dest}, $v);
return '';
}
1;
=head1 NAME
Getopt::ArgParse::ActionStore - Utility functions internal to Getopt::ArgParse
=head1 AUTHOR
Mytram <mytram2@gmail.com> (original author)
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2014 by Mytram.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
=cut
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