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pbot/PBot/StdinReader.pm
2019-07-10 18:40:53 -07:00

62 lines
1.8 KiB
Perl

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package PBot::StdinReader;
use warnings;
use strict;
use feature 'unicode_strings';
use POSIX qw(tcgetpgrp getpgrp); # to check whether process is in background or foreground
use Carp ();
sub new {
if (ref($_[1]) eq 'HASH') {
Carp::croak("Options to StdinReader should be key/value pairs, not hash reference");
}
my ($class, %conf) = @_;
my $self = bless {}, $class;
$self->initialize(%conf);
return $self;
}
sub initialize {
my ($self, %conf) = @_;
$self->{pbot} = delete $conf{pbot} // Carp::croak("Missing pbot reference in StdinReader");
# used to check whether process is in background or foreground, for stdin reading
open TTY, "</dev/tty" or die $!;
$self->{tty_fd} = fileno(TTY);
$self->{pbot}->{select_handler}->add_reader(\*STDIN, sub { $self->stdin_reader(@_) });
}
sub stdin_reader {
my ($self, $input) = @_;
# make sure we're in the foreground first
$self->{foreground} = (tcgetpgrp($self->{tty_fd}) == getpgrp()) ? 1 : 0;
return if not $self->{foreground};
$self->{pbot}->{logger}->log("---------------------------------------------\n");
$self->{pbot}->{logger}->log("Read '$input' from STDIN\n");
my ($from, $text);
if ($input =~ m/^~([^ ]+)\s+(.*)/) {
$from = $1;
$text = $self->{pbot}->{registry}->get_value('irc', 'botnick') . " $2";
} else {
$from = $self->{pbot}->{registry}->get_value('irc', 'botnick') . "!stdin\@localhost";
$text = $self->{pbot}->{registry}->get_value('irc', 'botnick') . " $input";
}
return $self->{pbot}->{interpreter}->process_line($from, $self->{pbot}->{registry}->get_value('irc', 'botnick'), "stdin", "localhost", $text);
}
1;