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#
# Copyright (C) 2015-2021 Alexis Bienvenüe <paamc@passoire.fr>
#
# This file is part of Auto-Multiple-Choice
#
# Auto-Multiple-Choice 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.
#
# Auto-Multiple-Choice 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 Auto-Multiple-Choice. If not, see
# <http://www.gnu.org/licenses/>.
use warnings;
use 5.012;
package AMC::Print::cupslp;
use AMC::Print;
use AMC::Basic;
our @ISA = ("AMC::Print");
sub nonnul {
my $s = shift;
$s =~ s/\000//g;
return ($s);
}
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
$self->{method} = 'cupslp';
return ($self);
}
sub check_available {
my @missing = ();
for my $command (qw/lp lpoptions lpstat/) {
push @missing, $command if ( !commande_accessible($command) );
}
if (@missing) {
return (
sprintf(
__("The following commands are missing: %s."),
join( ' ', @missing )
)
);
} else {
return ();
}
}
sub weight {
return (2.0);
}
sub printers_list {
my ($self) = @_;
my @list = ();
# Verify if lpstat -e output to stderr
open( PL, "-|", "lpstat -e 2>&1 1>/dev/null" )
or die "Can't exec lpstat: $!";
my $err = <PL>;
close PL;
if ($err) {
# lpstat -e outputted to stderr so try lpstat -a
open( PL, "-|", "lpstat", "-a" )
or die "Can't exec lpstat: $!";
while (<PL>) {
push @list, { name => $1, description => $1 }
if (/^([^\s]+)\s+accept/);
}
close PL;
} else {
# lpstat -e outputted nothing to stderr so use it
open( PL, "-|", "lpstat", "-e" )
or die "Can't exec lpstat: $!";
while (<PL>) {
chomp;
push @list, { name => $_, description => "" };
}
close PL;
}
return (@list);
}
sub default_printer {
my ($self) = @_;
open( PL, "-|", "lpstat", "-d" )
or die "Can't exec lpstat: $!";
while (<PL>) {
return ($1) if (/:\s*([^\s]+)/);
}
close PL;
return ('');
}
sub printer_options_list {
my ( $self, $printer ) = @_;
my @o = ();
open( OL, "-|", "lpoptions", "-p", $printer, "-l" )
or die "Can't exec lpoptions: $!";
while (<OL>) {
if (m!^([^\s]+)/([^:]+):\s*(.*)!) {
my %option = ( name => $1, description => $2, values => [] );
my $vals = $3;
for my $k ( split( /\s+/, $vals ) ) {
if ( $k =~ s/^\*// ) {
$option{default} = $k;
}
push @{ $option{values} }, { name => $k, description => $k };
}
push @o, {%option};
}
}
close OL;
return (@o);
}
# PRINTING
sub select_printer {
my ( $self, $printer ) = @_;
$self->{printername} = $printer;
$self->{printeroptions} = {};
}
sub set_option {
my ( $self, $option, $value ) = @_;
$self->{printeroptions}->{$option} = $value;
}
sub print_file {
my ( $self, $filename, $label ) = @_;
my @command = ( "lp", "-d", $self->{printername} );
for my $k ( keys %{ $self->{printeroptions} } ) {
push @command, "-o", "$k=" . $self->{printeroptions}->{$k};
}
push @command, $filename;
debug "Printing command: " . join( " ", @command );
system_debug( cmd => [@command] );
}
1;
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