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refactor. fix yet another bug (always return something)

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espie 2010-10-25 17:31:25 +00:00
parent 047bbb7432
commit cce4985d69
1 changed files with 22 additions and 20 deletions
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42
infrastructure/lib/DPB/Reporter.pm
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@ -1,5 +1,5 @@
# ex:ts=8 sw=4:
# $OpenBSD: Reporter.pm,v 1.3 2010/10/25 17:23:13 espie Exp $
# $OpenBSD: Reporter.pm,v 1.4 2010/10/25 17:31:25 espie Exp $
#
# Copyright (c) 2010 Marc Espie <espie@openbsd.org>
#
@ -280,6 +280,25 @@ sub clear_clamped
}
}
sub do_line
{
my ($self, $new, $old) = @_;
# line didn't change: try to go down
if (defined $old && $old eq $new) {
if ($self->{down}) {
return $self->{down};
}
}
# adjust newline to correct length
if (defined $old && (length $old) > (length $new)) {
if ($self->{cleareol}) {
return $self->clear_clamped($new);
}
$new .= " "x ((length $old) - (length $new));
}
return $self->clamped($new);
}
sub lines
{
my ($self, @new) = @_;
@ -288,25 +307,8 @@ sub lines
my $r = '';
while (@new > 0) {
my $newline = shift @new;
my $oldline = shift @{$self->{oldlines}};
return $r if $n++ > $self->{height};
# line didn't change: try to go down
if (defined $oldline && $oldline eq $newline) {
if ($self->{down}) {
$r .= $self->{down};
next;
}
}
# adjust newline to correct length
if (defined $oldline && (length $oldline) > (length $newline)) {
if ($self->{cleareol}) {
$r .= $self->clear_clamped($newline);
next;
}
$newline .= " "x ((length $oldline) - (length $newline));
}
$r .= $self->clamped($newline);
$r .= $self->do_line(shift @new, shift @{$self->{oldlines}});
}
# extra lines must disappear
while (@{$self->{oldlines}} > 0) {
@ -317,7 +319,7 @@ sub lines
$line = " "x (length $line);
$r .= $self->clamped($line);
}
return if $n++ > $self->{height};
last if $n++ > $self->{height};
}
return $r;
}