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# triggers -- lintian check script -*- perl -*-
# Copyright (C) 2017 Niels Thykier
# Copyright (C) 2021 Felix Lechner
#
# 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 of the License, 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, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
package Lintian::Check::Triggers;
use v5.20;
use warnings;
use utf8;
use autodie qw(open);
use Const::Fast;
use List::SomeUtils qw(all);
use Unicode::UTF8 qw(encode_utf8);
use Moo;
use namespace::clean;
with 'Lintian::Check';
const my $SPACE => q{ };
const my $LEFT_PARENTHESIS => q{(};
const my $RIGHT_PARENTHESIS => q{)};
has TRIGGER_TYPES => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
my %trigger_types;
my $data
= $self->data->load('triggers/trigger-types',qr{ \s* => \s* }x);
for my $type ($data->all) {
my $attributes = $data->value($type);
my %one_type;
for my $pair (split(m{ \s* , \s* }x, $attributes)) {
my ($flag, $setting) = split(m{ \s* = \s* }x, $pair, 2);
$one_type{$flag} = $setting;
}
die encode_utf8(
"Invalid trigger-types: $type is defined as implicit-await but not await"
)
if $one_type{'implicit-await'}
&& !$one_type{await};
$trigger_types{$type} = \%one_type;
}
return \%trigger_types;
}
);
sub visit_control_files {
my ($self, $item) = @_;
return
unless $item->name eq 'triggers';
my @lines = split(m{\n}, $item->decoded_utf8);
my %positions_by_trigger_name;
my $position = 1;
while (defined(my $line = shift @lines)) {
# trim both ends
$line =~ s/^\s+|\s+$//g;
next
if $line =~ m/^(?:\s*)(?:#.*)?$/;
my ($trigger_type, $trigger_name) = split($SPACE, $line, 2);
next
unless all { length } ($trigger_type, $trigger_name);
$positions_by_trigger_name{$trigger_name} //= [];
push(@{$positions_by_trigger_name{$trigger_name}}, $position);
my $trigger_info = $self->TRIGGER_TYPES->{$trigger_type};
if (!$trigger_info) {
$self->pointed_hint('unknown-trigger', $item->pointer($position),
$trigger_type);
next;
}
$self->pointed_hint('uses-implicit-await-trigger',
$item->pointer($position),
$trigger_type)
if $trigger_info->{'implicit-await'};
} continue {
++$position;
}
my @duplicates= grep { @{$positions_by_trigger_name{$_}} > 1 }
keys %positions_by_trigger_name;
for my $trigger_name (@duplicates) {
my $indicator
= $LEFT_PARENTHESIS . 'lines'
. $SPACE
. join($SPACE,
sort { $a <=> $b }@{$positions_by_trigger_name{$trigger_name}})
. $RIGHT_PARENTHESIS;
$self->pointed_hint('repeated-trigger-name', $item->pointer,
$trigger_name, $indicator);
}
return;
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
|
