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package Reply::Plugin::ResultCache;
use strict;
use warnings;
use base 'Reply::Plugin';
sub new {
my $class = shift;
my %opts = @_;
my $self = $class->SUPER::new(@_);
$self->{results} = [];
$self->{result_name} = $opts{variable} || 'res';
return $self;
}
sub compile {
my $self = shift;
my ($next, $line, %args) = @_;
$args{environment} ||= {};
$args{environment}{'@' . $self->{result_name}} = $self->{results};
$next->($line, %args);
}
sub execute {
my $self = shift;
my ($next, @args) = @_;
my @res = $next->(@args);
if (@res == 1) {
push @{ $self->{results} }, $res[0];
}
elsif (@res > 1) {
push @{ $self->{results} }, \@res;
}
return @res;
}
sub mangle_result {
my $self = shift;
my ($result) = @_;
return '$' . $self->{result_name} . '[' . $#{ $self->{results} } . '] = '
. $result;
}
1;
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