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# Copyright (C) 2018 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::ConfigFile;
=head1 NAME
Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configuration files
=head1 SYNOPSIS
use Test::Lintian::ConfigFile qw(read_config);
my $desc = read_config('t/tags/testname/desc');
=head1 DESCRIPTION
Routines for dealing with colon-delimited configuration files.
=cut
use v5.20;
use warnings;
use utf8;
use Exporter qw(import);
BEGIN {
our @EXPORT_OK = qw(
read_config
write_config
);
}
use Carp;
use Const::Fast;
use List::SomeUtils qw(any);
use Path::Tiny;
use Unicode::UTF8 qw(encode_utf8);
use Lintian::Deb822;
const my $SPACE => q{ };
const my $COLON => q{:};
const my $NEWLINE => qq{\n};
=head1 FUNCTIONS
=over 4
=item read_config(PATH, HASHREF)
Reads the configuration file located at PATH into a hash and
returns it. When also passed a HASHREF, will fill that instead.
=cut
sub read_config {
my ($configpath) = @_;
croak encode_utf8("Cannot find file $configpath.")
unless -e $configpath;
my $deb822 = Lintian::Deb822->new;
my @sections = $deb822->read_file($configpath);
die encode_utf8("$configpath does not have exactly one paragraph")
unless @sections == 1;
my $config = $sections[0];
return $config;
}
=item write_config(TEST_CASE, PATH)
Write the config described by hash reference TEST_CASE to the file named PATH.
=cut
sub write_config {
my ($testcase, $path) = @_;
my $desc = path($path);
$desc->remove;
my @lines;
for my $name (sort $testcase->names) {
my @elements = $testcase->trimmed_list($name);
# multi-line output for some fields
if (@elements > 1
&& any { fc eq fc($name) } qw(Test-For Test-Against)) {
push(@lines, $name . $COLON . $NEWLINE);
push(@lines, $SPACE . $_ . $NEWLINE) for @elements;
next;
}
push(@lines,
$name . $COLON . $SPACE . $testcase->value($name) . $NEWLINE);
}
$desc->append_utf8(@lines);
return;
}
=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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