511 lines
11 KiB
Perl
511 lines
11 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 = 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 $description;
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$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 $package = Xchat::Embed::find_pkg();
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$callback = Xchat::Embed::fix_callback( $package, $callback );
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my ($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 $package = Xchat::Embed::find_pkg();
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$callback = Xchat::Embed::fix_callback( $package, $callback );
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my ($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 $package = Xchat::Embed::find_pkg();
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$callback = Xchat::Embed::fix_callback( $package, $callback );
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my ($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 $package = Xchat::Embed::find_pkg();
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$callback = Xchat::Embed::fix_callback( $package, $callback );
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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 $package = Xchat::Embed::find_pkg();
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$callback = Xchat::Embed::fix_callback( $package, $callback );
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my ($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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}
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}
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return $info;
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}
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sub user_info {
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my $nick = Xchat::strip_code(shift @_ || Xchat::get_info( "nick" ));
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my $user;
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for (Xchat::get_list( "users" ) ) {
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if ( Xchat::nickcmp( $_->{nick}, $nick ) == 0 ) {
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$user = $_;
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last;
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}
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}
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return $user;
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}
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sub context_info {
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my $ctx = shift @_ || Xchat::get_context;
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my $old_ctx = Xchat::get_context;
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my @fields = (
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qw(away channel charset host id inputbox libdirfs modes network),
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qw(nick nickserv server topic version win_ptr win_status),
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qw(xchatdir xchatdirfs state_cursor),
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);
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if( Xchat::set_context( $ctx ) ) {
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my %info;
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for my $field ( @fields ) {
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$info{$field} = Xchat::get_info( $field );
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}
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my $ctx_info = Xchat::Internal::context_info;
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@info{keys %$ctx_info} = values %$ctx_info;
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Xchat::set_context( $old_ctx );
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return %info if wantarray;
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return \%info;
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} else {
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return undef;
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}
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}
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sub get_list {
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unless( grep { $_[0] eq $_ } qw(channels dcc ignore notify users networks) ) {
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Carp::carp( "'$_[0]' does not appear to be a valid list name" );
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}
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if( $_[0] eq 'networks' ) {
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return Xchat::List::Network->get();
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} else {
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return Xchat::Internal::get_list( $_[0] );
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}
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}
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sub strip_code {
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my $pattern = qr<
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\cB| #Bold
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\cC\d{0,2}(?:,\d{1,2})?| #Color
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\e\[(?:\d{1,2}(?:;\d{1,2})*)?m| # ANSI color code
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\cG| #Beep
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\cO| #Reset
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\cV| #Reverse
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\c_ #Underline
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>x;
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if( defined wantarray ) {
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my $msg = shift;
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$msg =~ s/$pattern//g;
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return $msg;
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} else {
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$_[0] =~ s/$pattern//g if defined $_[0];
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}
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}
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1
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