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#!/usr/bin/perl
# vim: set et ts=4 sw=4:
# Copyright 2012-2013 Angelo Naselli <anaselli@linux.it>
# Copyright 2013-2014 Matteo Pasotti <matteo.pasotti@gmail.com>
#
# This file is part of AdminPanel
#
# AdminPanel 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.
#
# AdminPanel 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 AdminPanel. If not, see <http://www.gnu.org/licenses/>.
package AdminPanel::Shared;
=head1 NAME
AdminPanel::Shared - AdminPanel::Shared contains all the shared routines
needed by AdminPanel and modules
=head1 SYNOPSIS
=head1 DESCRIPTION
This module collects all the routines shared between AdminPanel and its modules.
=head1 EXPORT
trim
member
md5sum
pathList2hash
=head1 SUPPORT
You can find documentation for this module with the perldoc command:
perldoc AdminPanel::Shared
=head1 AUTHOR
Angelo Naselli <anaselli@linux.it>
=head1 COPYRIGHT and LICENSE
Copyright (C) 2013, Angelo Naselli.
Copyright (C) 2014, Matteo Pasotti.
This file 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 file 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 file. If not, see <http://www.gnu.org/licenses/>.
=head1 FUNCTIONS
=cut
use strict;
use warnings;
use diagnostics;
use Digest::MD5;
use yui;
use base qw(Exporter);
# TODO move GUI dialogs to Shared::GUI
our @EXPORT = qw(
trim
md5sum
pathList2hash
);
=head1 VERSION
Version 0.01
=cut
our $VERSION = '0.01';
#=============================================================
=head2 trim
=head3 INPUT
$st: String to be trimmed
=head3 OUTPUT
$st: trimmed string
=head3 DESCRIPTION
This function trim the given string.
=cut
#=============================================================
sub trim {
my ($st) = shift;
$st =~s /^\s+//g;
$st =~s /\s+$//g;
return $st;
}
#=============================================================
=head2 md5sum
=head3 INPUT
$filename: file for md5 calculation
=head3 OUTPUT
md5 sum
=head3 DESCRIPTION
compute MD5 for the given file
=cut
#=============================================================
sub md5sum {
my @files = @_;
my @md5 = map {
my $sum;
if (open(my $FILE, $_)) {
binmode($FILE);
$sum = Digest::MD5->new->addfile($FILE)->hexdigest;
close($FILE);
}
$sum;
} @files;
return wantarray() ? @md5 : $md5[0];
}
#=============================================================
=head2 pathList2hash
=head3 INPUT
$param : HASH ref containing
paths => ARRAY of string containing path like strings
separator => item separator inside a single path
(default separator is /)
=head3 OUTPUT
\%tree: HASH reference containing the same structur passed as ARRAY
in a tree view form, leaves are undef.
=head3 DESCRIPTION
This function return a tree representation of the given array.
=cut
#=============================================================
sub pathList2hash {
my ($param) = @_;
die "array of path is missing" if ! exists $param->{paths};
my $separator = '/';
$separator = $param->{separator} if $param->{separator};
if ($separator eq "/" || $separator eq "|") {
$separator = '\\' . $separator;
}
my %tree;
for (@{$param->{paths}})
{
my $last = \\%tree;
$last = \$$last->{$_} for split /$separator/;
}
return \%tree;
}
#=============================================================
=head2 disable_x_screensaver
=head3 DESCRIPTION
if exists /usr/bin/xset disable screensaver
=cut
#=============================================================
sub disable_x_screensaver() {
if (-e '/usr/bin/xset') {
$ENV{PATH} = "/usr/bin:/usr/sbin";
system ("/usr/bin/xset s off");
system ("/usr/bin/xset -dpms");
}
}
#=============================================================
=head2 enable_x_screensaver
=head3 DESCRIPTION
if exists /usr/bin/xset enables screensaver
=cut
#=============================================================
sub enable_x_screensaver() {
if (-e '/usr/bin/xset') {
$ENV{PATH} = "/usr/bin:/usr/sbin";
system ("/usr/bin/xset +dpms");
system ("/usr/bin/xset s on");
system ("/usr/bin/xset s reset");
}
}
1; # End of AdminPanel::Shared
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