use warnings;
use Carp;
+use Exporter qw(import);
-our $VERSION = '1.02';
+our $VERSION = '1.10';
+our @EXPORT_OK = qw(unpackf);
sub new {
my ($class, $format) = @_;
+ ref $format
+ or $format = [0 => $format];
ref $format eq 'ARRAY'
or croak "Invalid Parse::Binary::Nested format: should be an array ref";
- bless $format, $class;
+ bless [$format, $class->template($format)], $class;
}
sub template {
# map flat results into a named and nested hash
my %res;
$pos ||= \(my $_pos);
- while (my ($field, $template) = splice @$format, 0, 2) {
+ for (my $i = 0; $i < $#$format; $i += 2) {
+ my ($field, $template) = @$format[$i, $i+1];
if (ref $template eq 'ARRAY') {
my ($count, @subformat) = @$template;
$$pos++ if $count eq 'C';
my $max = $count =~ s/^(\d+)// ? $1 : 0;
$count = !$count ? $max
: $count eq '*' ? $res{levelcount}->{total} : shift @$data;
- $res{$field}->[$_] = $self->convert([@subformat], $data, $pos)
+ $res{$field}->[$_] = $self->convert(\@subformat, $data, $pos)
for 0 .. ($max || $count)-1;
splice @{ $res{$field} }, $count if $max > $count;
$res{$field} = $res{$field}->[0] if $max == 1;
}
sub unpackf {
- my ($self, $input) = @_;
- my @data = unpack $self->template($self), $input;
- return $self->convert([@$self], \@data);
+ my ($format, $input) = @_;
+ my $self = UNIVERSAL::isa($format, __PACKAGE__) ? $format
+ : __PACKAGE__->new($format);
+ my @data = unpack $self->[1], $input;
+ return $self->convert($self->[0], \@data);
}
1;
=head1 SYNOPSIS
- use Parse::Binary::Nested;
+ use Parse::Binary::Nested qw(unpackf);
+ my $data = unpackf([message => 'Z*'], "hi\0");
+
my $parser = Parser::Binary::Nested->new([
foos => [
'C', # count
],
trail => 'a*',
]);
-
- my $data = $parser->unpackf("\1foo\0.rest");
+ $data = $parser->unpackf("\1foo\0.rest");
print $data->{foos}->[0]->{message};
=head1 DESCRIPTION