my $text;
if (($text) = $line =~ m!^\s*\((.*)\)[\r\n]+$!) {
      # keyed value
      my ($key, $val) = split( /\s+/, $text, 2 );
      $val =~ s!(^[\'\"]|[\'\"]$)!!g;
      $info->{$key} = $val;
}
elsif (($text) = $line =~ m!^\s*\'(.*)\'[\r\n]+$!) {
      # quoted value
      $text =~ s!(^[\'\"]|[\'\"]$)!!g;
      return $text;
}
elsif (my ($key) = $line =~ m!^\s*\((\S+)[\r\n]+$!) {
      # sub-level
      push @{$info->{$key} ||= []}, $self->_parse_vm_info( $lines );
}