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# Copyright (C) 2019 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 Test::Lintian::Output::EWI;
=head1 NAME
Test::Lintian::Output::EWI -- routines to process EWI hints
=head1 SYNOPSIS
use Path::Tiny;
use Test::Lintian::Output::EWI qw(to_universal);
my $ewi = path("path to an EWI hint file")->slurp_utf8;
my $universal = to_universal($ewi);
=head1 DESCRIPTION
Helper routines to deal with C<EWI> hints and hint files
=cut
use v5.20;
use warnings;
use utf8;
use Exporter qw(import);
BEGIN {
our @EXPORT_OK = qw(
to_universal
);
}
use Carp;
use Const::Fast;
use List::Util qw(all);
use Unicode::UTF8 qw(encode_utf8);
use Test::Lintian::Output::Universal qw(universal_string order);
const my $EMPTY => q{};
const my $NEWLINE => qq{\n};
=head1 FUNCTIONS
=over 4
=item to_universal(STRING)
Converts the C<EWI> hint data contained in STRING to universal hints.
They are likewise delivered in a multi-line string.
=cut
sub to_universal {
my ($ewi) = @_;
my @unsorted;
my @lines = split($NEWLINE, $ewi);
chomp @lines;
foreach my $line (@lines) {
# no hint in this line
next if $line =~ /^N: /;
# look for "EWI: package[ type]: name details"
my ($code, $package, $type, $name, $details)
= $line=~ /^(.): (\S+)(?: (changes|source|udeb))?: (\S+)(?: (.*))?$/;
# for binary packages, the type field is empty
$type //= 'binary';
croak encode_utf8("Cannot parse line $line")
unless all { length } ($code, $package, $type, $name);
my $converted = universal_string($package, $type, $name, $details);
push(@unsorted, $converted);
}
my @sorted = reverse sort { order($a) cmp order($b) } @unsorted;
my $universal = $EMPTY;
$universal .= $_ . $NEWLINE for @sorted;
return $universal;
}
=back
=cut
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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