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# Copyright © 2014-2015 Guillem Jover <guillem@debian.org>
#
# 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, see <https://www.gnu.org/licenses/>.
package Dpkg::Dist::Files;
use strict;
use warnings;
our $VERSION = '0.01';
use IO::Dir;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use parent qw(Dpkg::Interface::Storable);
sub new {
my ($this, %opts) = @_;
my $class = ref($this) || $this;
my $self = {
options => [],
files => {},
};
foreach my $opt (keys %opts) {
$self->{$opt} = $opts{$opt};
}
bless $self, $class;
return $self;
}
sub reset {
my $self = shift;
$self->{files} = {};
}
sub parse_filename {
my ($self, $fn) = @_;
my $file;
if ($fn =~ m/^(([-+:.0-9a-z]+)_([^_]+)_([-\w]+)\.([a-z0-9.]+))$/) {
# Artifact using the common <name>_<version>_<arch>.<type> pattern.
$file->{filename} = $1;
$file->{package} = $2;
$file->{version} = $3;
$file->{arch} = $4;
$file->{package_type} = $5;
} elsif ($fn =~ m/^([-+:.,_0-9a-zA-Z~]+)$/) {
# Artifact with no common pattern, usually called byhand or raw, as
# they might require manual processing on the server side, or custom
# actions per file type.
$file->{filename} = $1;
} else {
$file = undef;
}
return $file;
}
sub parse {
my ($self, $fh, $desc) = @_;
my $count = 0;
local $_;
binmode $fh;
while (<$fh>) {
chomp;
my $file;
if (m/^(\S+) (\S+) (\S+)((?:\s+[0-9a-z-]+=\S+)*)$/) {
$file = $self->parse_filename($1);
error(g_('badly formed file name in files list file, line %d'), $.)
unless defined $file;
$file->{section} = $2;
$file->{priority} = $3;
my $attrs = $4;
$file->{attrs} = { map { split /=/ } split ' ', $attrs };
} else {
error(g_('badly formed line in files list file, line %d'), $.);
}
if (defined $self->{files}->{$file->{filename}}) {
warning(g_('duplicate files list entry for file %s (line %d)'),
$file->{filename}, $.);
} else {
$count++;
$self->{files}->{$file->{filename}} = $file;
}
}
return $count;
}
sub load_dir {
my ($self, $dir) = @_;
my $count = 0;
my $dh = IO::Dir->new($dir) or syserr(g_('cannot open directory %s'), $dir);
while (defined(my $file = $dh->read)) {
my $pathname = "$dir/$file";
next unless -f $pathname;
$count += $self->load($pathname);
}
return $count;
}
sub get_files {
my $self = shift;
return map { $self->{files}->{$_} } sort keys %{$self->{files}};
}
sub get_file {
my ($self, $filename) = @_;
return $self->{files}->{$filename};
}
sub add_file {
my ($self, $filename, $section, $priority, %attrs) = @_;
my $file = $self->parse_filename($filename);
error(g_('invalid filename %s'), $filename) unless defined $file;
$file->{section} = $section;
$file->{priority} = $priority;
$file->{attrs} = \%attrs;
$self->{files}->{$filename} = $file;
return $file;
}
sub del_file {
my ($self, $filename) = @_;
delete $self->{files}->{$filename};
}
sub filter {
my ($self, %opts) = @_;
my $remove = $opts{remove} // sub { 0 };
my $keep = $opts{keep} // sub { 1 };
foreach my $filename (keys %{$self->{files}}) {
my $file = $self->{files}->{$filename};
if (not $keep->($file) or $remove->($file)) {
delete $self->{files}->{$filename};
}
}
}
sub output {
my ($self, $fh) = @_;
my $str = '';
binmode $fh if defined $fh;
foreach my $filename (sort keys %{$self->{files}}) {
my $file = $self->{files}->{$filename};
my $entry = "$filename $file->{section} $file->{priority}";
if (exists $file->{attrs}) {
foreach my $attr (sort keys %{$file->{attrs}}) {
$entry .= " $attr=$file->{attrs}->{$attr}";
}
}
$entry .= "\n";
print { $fh } $entry if defined $fh;
$str .= $entry;
}
return $str;
}
1;
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