525 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			525 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
$SIG{__WARN__} = sub {
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	my $message = shift @_;
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	my ($package) = caller;
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	# redirect Gtk/Glib errors and warnings back to STDERR
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	my $message_levels =	qr/ERROR|CRITICAL|WARNING|MESSAGE|INFO|DEBUG/i;
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	if( $message =~ /^(?:Gtk|GLib|Gdk)(?:-\w+)?-$message_levels/i ) {
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		print STDERR $message;
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	} else {
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		if( defined &Xchat::Internal::print ) {
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			Xchat::print( $message );
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		} else {
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			warn $message;
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		}
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	}
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};
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use File::Spec ();
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use File::Basename ();
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use File::Glob ();
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use List::Util ();
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use Symbol();
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use Time::HiRes ();
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use Carp ();
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package Xchat;
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use base qw(Exporter);
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use strict;
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use warnings;
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sub PRI_HIGHEST ();
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sub PRI_HIGH ();
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sub PRI_NORM ();
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sub PRI_LOW ();
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sub PRI_LOWEST ();
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sub EAT_NONE ();
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sub EAT_XCHAT ();
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sub EAT_PLUIN ();
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sub EAT_ALL ();
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sub KEEP ();
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sub REMOVE ();
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sub FD_READ ();
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sub FD_WRITE ();
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sub FD_EXCEPTION ();
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sub FD_NOTSOCKET ();
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sub get_context;
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sub Xchat::Internal::context_info;
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sub Xchat::Internal::print;
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our %EXPORT_TAGS = (
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	constants => [
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		qw(PRI_HIGHEST PRI_HIGH PRI_NORM PRI_LOW PRI_LOWEST), # priorities
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		qw(EAT_NONE EAT_XCHAT EAT_PLUGIN EAT_ALL), # callback return values
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		qw(FD_READ FD_WRITE FD_EXCEPTION FD_NOTSOCKET), # fd flags
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		qw(KEEP REMOVE), # timers
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	],
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	hooks => [
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		qw(hook_server hook_command hook_print hook_timer hook_fd unhook),
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	],
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	util => [
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		qw(register nickcmp strip_code send_modes), # misc
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		qw(print prnt printf prntf command commandf emit_print), # output
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		qw(find_context get_context set_context), # context
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		qw(get_info get_prefs get_list context_info user_info), # input
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	],
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);
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$EXPORT_TAGS{all} = [ map { @{$_} } @EXPORT_TAGS{qw(constants hooks util)}];
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our @EXPORT = @{$EXPORT_TAGS{constants}};
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our @EXPORT_OK = @{$EXPORT_TAGS{all}};
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sub register {
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $filename = $pkg_info->{filename};
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	my ($name, $version, $description, $callback) = @_;
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	if( defined $pkg_info->{gui_entry} ) {
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		Xchat::print( "Xchat::register called more than once in "
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			. $pkg_info->{filename} );
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		return ();
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	}
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	$description = "" unless defined $description;
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	if( $callback ) {
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		$callback = Xchat::Embed::fix_callback(
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			$package, $calling_package, $callback
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		);
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	}
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	$pkg_info->{shutdown} = $callback;
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	unless( $name && $name =~ /[[:print:]\w]/ ) {
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		$name = "Not supplied";
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	}
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	unless( $version && $version =~ /\d+(?:\.\d+)?/ ) {
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		$version = "NaN";
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	}
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	$pkg_info->{gui_entry} =
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		Xchat::Internal::register( $name, $version, $description, $filename );
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	# keep with old behavior
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	return ();
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}
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sub _process_hook_options {
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	my ($options, $keys, $store) = @_;
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	unless( @$keys == @$store ) {
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		die 'Number of keys must match the size of the store';
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	}
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	my @results;
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	if( ref( $options ) eq 'HASH' ) {
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		for my $index ( 0 .. @$keys - 1 ) {
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			my $key = $keys->[$index];
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			if( exists( $options->{ $key } ) && defined( $options->{ $key } ) ) {
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				${$store->[$index]} = $options->{ $key };
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			}
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		}
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	}
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}
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sub hook_server {
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	return undef unless @_ >= 2;
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	my $message = shift;
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	my $callback = shift;
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	my $options = shift;
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	$callback = Xchat::Embed::fix_callback(
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		$package, $calling_package, $callback
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	);
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	my ($priority, $data) = ( Xchat::PRI_NORM, undef );
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	_process_hook_options(
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		$options,
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		[qw(priority data)],
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		[\($priority, $data)],
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	);
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $hook = Xchat::Internal::hook_server(
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		$message, $priority, $callback, $data, $package
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	);
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	push @{$pkg_info->{hooks}}, $hook if defined $hook;
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	return $hook;
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}
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sub hook_command {
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	return undef unless @_ >= 2;
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	my $command = shift;
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	my $callback = shift;
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	my $options = shift;
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	$callback = Xchat::Embed::fix_callback(
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		$package, $calling_package, $callback
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	);
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	my ($priority, $help_text, $data) = ( Xchat::PRI_NORM, undef, undef );
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	_process_hook_options(
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		$options,
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		[qw(priority help_text data)],
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		[\($priority, $help_text, $data)],
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	);
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $hook = Xchat::Internal::hook_command(
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		$command, $priority, $callback, $help_text, $data, $package
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	);
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	push @{$pkg_info->{hooks}}, $hook if defined $hook;
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	return $hook;
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}
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sub hook_print {
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	return undef unless @_ >= 2;
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	my $event = shift;
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	my $callback = shift;
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	my $options = shift;
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	$callback = Xchat::Embed::fix_callback(
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		$package, $calling_package, $callback
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	);
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	my ($priority, $run_after, $filter, $data) = ( Xchat::PRI_NORM, 0, 0, undef );
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	_process_hook_options(
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		$options,
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		[qw(priority run_after_event filter data)],
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		[\($priority, $run_after, $filter, $data)],
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	);
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	if( $run_after and $filter ) {
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		Carp::carp( "Xchat::hook_print's run_after_event and filter options are mutually exclusive, you can only use of them at a time per hook" );
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		return;
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	}
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	if( $run_after ) {
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		my $cb = $callback;
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		$callback = sub {
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			my @args = @_;
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			hook_timer( 0, sub {
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				$cb->( @args );
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				if( ref $run_after eq 'CODE' ) {
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					$run_after->( @args );
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				}
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				return REMOVE;
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			});
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			return EAT_NONE;
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		};
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	}
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	if( $filter ) {
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		my $cb = $callback;
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		$callback = sub {
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			my @args = @{$_[0]};
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			my $event_data = $_[1];
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			my $event_name = $event;
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			my $last_arg = @args - 1;
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			my @new = $cb->( \@args, $event_data, $event_name );
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			# allow changing event by returning the new value
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			if( @new > @args ) {
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				$event_name = pop @new;
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			}
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			# a filter can either return the new results or it can modify
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			# @_ in place. 
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			if( @new == @args ) {
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				emit_print( $event_name, @new[ 0 .. $last_arg ] );
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				return EAT_ALL;
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			} elsif(
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				join( "\0", @{$_[0]} ) ne join( "\0", @args[ 0 .. $last_arg ] )
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			) {
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				emit_print( $event_name, @args[ 0 .. $last_arg ] );
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				return EAT_ALL;
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			}
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			return EAT_NONE;
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		};
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	}
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $hook = Xchat::Internal::hook_print(
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		$event, $priority, $callback, $data, $package
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	);
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	push @{$pkg_info->{hooks}}, $hook if defined $hook;
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	return $hook;
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}
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sub hook_timer {
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	return undef unless @_ >= 2;
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	my ($timeout, $callback, $data) = @_;
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	$callback = Xchat::Embed::fix_callback(
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		$package, $calling_package, $callback
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	);
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	if(
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		ref( $data ) eq 'HASH' && exists( $data->{data} )
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		&& defined( $data->{data} )
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	) {
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		$data = $data->{data};
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	}
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $hook = Xchat::Internal::hook_timer( $timeout, $callback, $data, $package );
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	push @{$pkg_info->{hooks}}, $hook if defined $hook;
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	return $hook;
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}
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sub hook_fd {
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	return undef unless @_ >= 2;
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	my ($fd, $callback, $options) = @_;
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	return undef unless defined $fd && defined $callback;
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	my $fileno = fileno $fd;
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	return undef unless defined $fileno; # no underlying fd for this handle
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	my ($package, $calling_package) = Xchat::Embed::find_pkg();
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	$callback = Xchat::Embed::fix_callback(
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		$package, $calling_package, $callback
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	);
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	my ($flags, $data) = (Xchat::FD_READ, undef);
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	_process_hook_options(
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		$options,
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		[qw(flags data)],
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		[\($flags, $data)],
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	);
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	my $cb = sub {
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		my $userdata = shift;
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		return $userdata->{CB}->(
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			$userdata->{FD}, $userdata->{FLAGS}, $userdata->{DATA},
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		);
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	};
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	my $hook = Xchat::Internal::hook_fd(
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		$fileno, $cb, $flags, {
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			DATA => $data, FD => $fd, CB => $callback, FLAGS => $flags,
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		},
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		$package
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	);
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	push @{$pkg_info->{hooks}}, $hook if defined $hook;
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	return $hook;
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}
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sub unhook {
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	my $hook = shift @_;
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	my $package = shift @_;
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	($package) = caller unless $package;
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	my $pkg_info = Xchat::Embed::pkg_info( $package );
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	if( defined( $hook )
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		&& $hook =~ /^\d+$/
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		&& grep { $_ == $hook } @{$pkg_info->{hooks}} ) {
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		$pkg_info->{hooks} = [grep { $_ != $hook } @{$pkg_info->{hooks}}];
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		return Xchat::Internal::unhook( $hook );
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	}
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	return ();
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}
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sub _do_for_each {
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	my ($cb, $channels, $servers) = @_;
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	# not specifying any channels or servers is not the same as specifying
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	# undef for both
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	# - not specifying either results in calling the callback inthe current ctx
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	# - specifying undef for for both results in calling the callback in the
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	#   front/currently selected tab
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	if( @_ == 3 && !($channels || $servers) ) { 
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		$channels = [ undef ];
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		$servers = [ undef ];
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	} elsif( !($channels || $servers) ) {
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		$cb->();
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		return 1;
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	}
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	$channels = [ $channels ] unless ref( $channels ) eq 'ARRAY';
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	if( $servers ) {
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		$servers = [ $servers ] unless ref( $servers ) eq 'ARRAY';
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	} else {
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		$servers = [ undef ];
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	}
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	my $num_done = 0;
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	my $old_ctx = Xchat::get_context();
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	for my $server ( @$servers ) {
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		for my $channel ( @$channels ) {
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			if( Xchat::set_context( $channel, $server ) ) {
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				$cb->();
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				$num_done++
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			}
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		}
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	}
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	Xchat::set_context( $old_ctx );
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	return $num_done;
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}
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sub print {
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	my $text = shift @_;
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	return "" unless defined $text;
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	if( ref( $text ) eq 'ARRAY' ) {
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		if( $, ) {
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			$text = join $, , @$text;
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		} else {
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			$text = join "", @$text;
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		}
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	}
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	return _do_for_each(
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		sub { Xchat::Internal::print( $text ); },
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		@_
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	);
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}
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sub printf {
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	my $format = shift;
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	Xchat::print( sprintf( $format, @_ ) );
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}
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# make Xchat::prnt() and Xchat::prntf() as aliases for Xchat::print() and 
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# Xchat::printf(), mainly useful when these functions are exported
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sub prnt {
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	goto &Xchat::print;
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}
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sub prntf {
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	goto &Xchat::printf;
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}
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sub command {
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	my $command = shift;
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	return "" unless defined $command;
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	my @commands;
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	if( ref( $command ) eq 'ARRAY' ) {
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		@commands = @$command;
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	} else {
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		@commands = ($command);
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	}
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	return _do_for_each(
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		sub { Xchat::Internal::command( $_ ) foreach @commands },
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		@_
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	);
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}
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sub commandf {
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	my $format = shift;
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	Xchat::command( sprintf( $format, @_ ) );
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}
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sub set_context {
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	my $context;
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	if( @_ == 2 ) {
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		my ($channel, $server) = @_;
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		$context = Xchat::find_context( $channel, $server );
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	} elsif( @_ == 1 ) {
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		if( defined $_[0] && $_[0] =~ /^\d+$/ ) {
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			$context = $_[0];
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		} else {
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			$context = Xchat::find_context( $_[0] );
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		}
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	} elsif( @_ == 0 ) {
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		$context = Xchat::find_context();
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	}
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	return $context ? Xchat::Internal::set_context( $context ) : 0;
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}
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sub get_info {
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	my $id = shift;
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	my $info;
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	if( defined( $id ) ) {
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		if( grep { $id eq $_ } qw(state_cursor id) ) {
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			$info = Xchat::get_prefs( $id );
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		} else {
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			$info = Xchat::Internal::get_info( $id );
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		}
 | 
						|
	}
 | 
						|
	return $info;
 | 
						|
}
 | 
						|
 | 
						|
sub user_info {
 | 
						|
	my $nick = Xchat::strip_code(shift @_ || Xchat::get_info( "nick" ));
 | 
						|
	my $user;
 | 
						|
	for (Xchat::get_list( "users" ) ) {
 | 
						|
		if ( Xchat::nickcmp( $_->{nick}, $nick ) == 0 ) {
 | 
						|
			$user = $_;
 | 
						|
			last;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return $user;
 | 
						|
}
 | 
						|
 | 
						|
sub context_info {
 | 
						|
	my $ctx = shift @_ || Xchat::get_context;
 | 
						|
	my $old_ctx = Xchat::get_context;
 | 
						|
	my @fields = (
 | 
						|
		qw(away channel charset host id inputbox libdirfs modes network),
 | 
						|
		qw(nick nickserv server topic version win_ptr win_status),
 | 
						|
		qw(xchatdir xchatdirfs state_cursor),
 | 
						|
	);
 | 
						|
 | 
						|
	if( Xchat::set_context( $ctx ) ) {
 | 
						|
		my %info;
 | 
						|
		for my $field ( @fields ) {
 | 
						|
			$info{$field} = Xchat::get_info( $field );
 | 
						|
		}
 | 
						|
		
 | 
						|
		my $ctx_info = Xchat::Internal::context_info;
 | 
						|
		@info{keys %$ctx_info} = values %$ctx_info;
 | 
						|
		
 | 
						|
		Xchat::set_context( $old_ctx );
 | 
						|
		return %info if wantarray;
 | 
						|
		return \%info;
 | 
						|
	} else {
 | 
						|
		return undef;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
sub get_list {
 | 
						|
	unless( grep { $_[0] eq $_ } qw(channels dcc ignore notify users networks) ) {
 | 
						|
		Carp::carp( "'$_[0]' does not appear to be a valid list name" );
 | 
						|
	}
 | 
						|
	if( $_[0] eq 'networks' ) {
 | 
						|
		return Xchat::List::Network->get();
 | 
						|
	} else {
 | 
						|
		return Xchat::Internal::get_list( $_[0] );
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
sub strip_code {
 | 
						|
	my $pattern = qr<
 | 
						|
		\cB| #Bold
 | 
						|
		\cC\d{0,2}(?:,\d{1,2})?| #Color
 | 
						|
		\e\[(?:\d{1,2}(?:;\d{1,2})*)?m| # ANSI color code
 | 
						|
		\cG| #Beep
 | 
						|
		\cO| #Reset
 | 
						|
		\cV| #Reverse
 | 
						|
		\c_  #Underline
 | 
						|
	>x;
 | 
						|
		
 | 
						|
	if( defined wantarray ) {
 | 
						|
		my $msg = shift;
 | 
						|
		$msg =~ s/$pattern//g;
 | 
						|
		return $msg;
 | 
						|
	} else {
 | 
						|
		$_[0] =~ s/$pattern//g if defined $_[0];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
1
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