Edit D:\app\Administrator\product\11.2.0\dbhome_1\sysman\admin\scripts\Net-DNS-0.48\lib\Net\DNS\RR\TXT.pm

package Net::DNS::RR::TXT;
#
# $Id: TXT.pm 01-nov-2004.16:03:35 afontana Exp $
#
use strict;
use vars qw(@ISA $VERSION);

use Text::ParseWords;

@ISA     = qw(Net::DNS::RR);
$VERSION = (qw$LastChangedRevision: 102 $)[1];

sub new {
	my ($class, $self, $data, $offset) = @_;
	
	my $rdlength = $self->{'rdlength'} or return bless $self, $class;
	my $end      = $offset + $rdlength;
	
	while ($offset < $end) {
		my $strlen = unpack("\@$offset C", $$data);
		++$offset;
		
		my $char_str = substr($$data, $offset, $strlen);
		$offset += $strlen;
		
		push(@{$self->{'char_str_list'}}, $char_str);
	}

return bless $self, $class;
}

sub new_from_string {
    my ( $class, $self, $rdata_string ) = @_ ;
    
    bless $self, $class;
        
    $self->_build_char_str_list($rdata_string);

return $self;
}

sub txtdata {
	my $self = shift;
	return join(' ',  $self->char_str_list());
}

sub rdatastr {
	my $self = shift;
		
	if ($self->char_str_list) {
		return join(' ', map { 
			my $str = $_;  
			$str =~ s/"/\\"/g;  
			qq("$str");
		} @{$self->{'char_str_list'}});
	} 
	
	return '';
}

sub _build_char_str_list {
	my ($self, $rdata_string) = @_;
	
	my @words = shellwords($rdata_string);

$self->{'char_str_list'} = [];

if (@words) {
		foreach my $string (@words) {
		    $string =~ s/\\"/"/g;
		    push(@{$self->{'char_str_list'}}, $string);
		}
	}
}

sub char_str_list {
	my $self = shift;
	
	if (not $self->{'char_str_list'}) {
		$self->_build_char_str_list( $self->{'txtdata'} );
	}

return @{$self->{'char_str_list'}}; # unquoted strings
}

sub rr_rdata {
	my $self  = shift;
	my $rdata = '';

foreach my $string ($self->char_str_list) {
	    $rdata .= pack("C", length $string );
	    $rdata .= $string;
	}

return $rdata;
}

1;
__END__

=head1 NAME

Net::DNS::RR::TXT - DNS TXT resource record

=head1 SYNOPSIS

C<use Net::DNS::RR>;

=head1 DESCRIPTION

Class for DNS Text (TXT) resource records.

=head1 METHODS

=head2 txtdata

print "txtdata = ", $rr->txtdata, "\n";

Returns the descriptive text as a single string, regardless of actual 
number of <character-string> elements.  Of questionable value.  Should 
be deprecated.

Use C<< $txt->rdatastr() >> or C<< $txt->char_str_list() >> instead.

=head2 char_str_list

print "Individual <character-string> list: \n\t", 
       join("\n\t", $rr->char_str_list());

Returns a list of the individual <character-string> elements, 
as unquoted strings.  Used by TXT->rdatastr and TXT->rr_rdata.

=head1 COPYRIGHT

=head1 SEE ALSO

L<perl(1)>, L<Net::DNS>, L<Net::DNS::Resolver>, L<Net::DNS::Packet>,
L<Net::DNS::Header>, L<Net::DNS::Question>, L<Net::DNS::RR>,
RFC 1035 Section 3.3.14

=cut

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