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#-*- perl -*-
#
# Copyright (C) 2001,2002,2003,2004 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: NIS.pm,v 1.23 2004/01/24 09:00:53 fukachan Exp $
#
package IO::Adapter::NIS;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use IO::Adapter::Array;
@ISA = qw(IO::Adapter::Array);
=head1 NAME
IO::Adapter::NIS - NIS map operations.
=head1 SYNOPSIS
$map = 'nis.group:fml';
use IO::Adapter;
$obj = new IO::Adapter $map;
$obj->open || croak("cannot open $map");
while ($x = $obj->getline) { ... }
$obj->close;
=head1 DESCRIPTION
fake IO operations to
NIS (Network Information System, its old name is Yellow Page).
See L<IO::Adapter::Array> for more details.
C<CAUTION: this map is read only>.
=head1 METHODS
This class inherits C<IO::Adapter::Array>.
See L<IO::Adapter::Array>.
=head2 configure($obj)
Configure $obj for array IO emulation.
=cut
# Descriptions: initialize NIS specific configuration.
# Arguments: OBJ($self) HASH_REF($me)
# Side Effects: none
# Return Value: ARRAY_REF
sub configure
{
my ($self, $me) = @_;
my ($type) = ref($self) || $self;
# XXX-TODO: UNIX only.
# XXX-TODO: we call "ypmatch" but should use full-path if could.
# XXX-TODO: who validate $key value ?
# emulate an array on memory
my $key = $me->{_name};
my (@x) = split(/:/, `ypmatch $key group.byname`);
my (@elements) = split ',', $x[3];
$me->{_array_reference} = \@elements;
}
=head1 SEE ALSO
L<IO::Adapter::Array>
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2001,2002,2003,2004 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
IO::Adapter::NIS first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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