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##- Nanar <nanardon@zarb.org>
##-
##- This program is free software; you can redistribute it and/or modify
##- it under the terms of the GNU General Public License as published by
##- the Free Software Foundation; either version 2, or (at your option)
##- any later version.
##-
##- This program is distributed in the hope that it will be useful,
##- but WITHOUT ANY WARRANTY; without even the implied warranty of
##- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
##- GNU General Public License for more details.
##-
##- You should have received a copy of the GNU General Public License
##- along with this program; if not, write to the Free Software
##- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# $Id$
use strict;
use warnings;
use RPM4;
use RPM4::Transaction;
package RPM4::Transaction::Problems;
sub new {
my ($class, $ts) = @_;
my $pbs = {
_problems => $ts->_transpbs() || undef,
_counter => -1,
};
$pbs->{_problems} or return undef;
bless($pbs, $class);
}
sub count {
my ($self) = @_;
return $self->{_problems}->count();
}
sub init {
my ($self) = @_;
$self->{_counter} = -1;
}
sub hasnext {
my ($self) = @_;
return ++$self->{_counter} < $self->{_problems}->count();
}
sub problem {
my ($self) = @_;
return $self->{_problems}->fmtpb($self->{_counter});
}
sub is_ignore {
my ($self) = @_;
return $self->{_problems}->isignore($self->{_counter});
}
sub print_all {
my ($self, $handle) = @_;
$handle ||= *STDOUT;
$self->{_problems}->print($handle);
}
1;
__END__
=head1 NAME
RPM4::Transaction::Problems
RPM4::Transaction
=head1 DESCRIPTION
This module an object for a collection of problems return by the rpmlib
when trying to install or removing rpms from the system.
=head1 METHODS
=head2 new(ts)
Create a new problems collection from transaction. Return undef if now
problems has been found in the transaction.
=head2 $pbs->init
Reset internal index and set it to -1, see L<$deps-\\>hasnext()>
=head2 $pbs->hasnext
Advance to next dependency in the set.
Return FALSE if no further problem availlable, TRUE otherwise.
=head2 $pbs->problem
Return a format string about current problem in the set
=head2 $pbs->is_ignore
Return True if the problem should be ignored
=head2 $pbs->print_all($handle)
Print all error problems into the given handle, STDOUT if not specified.
=head1 SEE ALSO
L<RPM4>
L<RPM4::Db>
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