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# ex:ts=8 sw=4:
# $OpenBSD: ProgressMeter.pm,v 1.36 2010/06/30 10:51:04 espie Exp $
#
# Copyright (c) 2010 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package OpenBSD::ProgressMeter;
sub new
{
bless {}, "OpenBSD::ProgressMeter::Stub";
}
sub setup
{
my ($self, $opt_x, $opt_m) = @_;
if ($opt_m || (!$opt_x && -t STDOUT)) {
require OpenBSD::ProgressMeter::Term;
bless $self, "OpenBSD::ProgressMeter::Term";
$self->init;
}
}
sub print
{
shift->clear;
print @_;
}
sub errprint
{
shift->clear;
print STDERR @_;
}
sub for_list
{
my ($self, $msg, $l, $code) = @_;
if (defined $msg) {
$self->set_header($msg);
}
my $total = scalar @$l;
my $i = 0;
for my $e (@$l) {
$self->show(++$i, $total);
&$code($e);
}
$self->next;
}
# stub class when no actual progressmeter that still prints out.
package OpenBSD::ProgressMeter::Stub;
our @ISA = qw(OpenBSD::ProgressMeter);
sub clear {}
sub show {}
sub working {}
sub message {}
sub next {}
sub set_header {}
sub ntogo
{
return "";
}
sub visit_with_size
{
my ($progress, $plist, $method, @r) = @_;
$plist->$method(@r);
}
sub visit_with_count
{
&OpenBSD::ProgressMeter::Stub::visit_with_size;
}
1;
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