adv_windowlist.pl (70530B)
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2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 | use strict; # use warnings; # {{{ debug #BEGIN { # open STDERR, '>', '/home/ailin/wlstatwarnings'; #}; # FIXME COULD SOMEONE PLEASE TELL ME HOW TO SHUT UP # # ... # Variable "*" will not stay shared at (eval *) line *. # Variable "*" will not stay shared at (eval *) line *. # ... # Can't locate package Irssi::Nick for @Irssi::Irc::Nick::ISA at (eval *) line *. # ... # # THANKS # }}} # if you don't know how to operate folds, type zn # {{{ header use Irssi (); # which is the minimum required version of Irssi ? use Irssi::TextUI; use vars qw($VERSION %IRSSI); $VERSION = '0.6ca'; %IRSSI = ( original_authors => q(BC-bd, Veli, Timo Sirainen, ). q(Wouter Coekaerts, Jean-Yves Lefort), # (decadix) original_contact => q([email protected], [email protected], [email protected], ). q([email protected], [email protected]), authors => q(Nei), contact => q(Nei @ [email protected]), url => "http://anti.teamidiot.de/", name => q(awl), description => q(Adds a permanent advanced window list on the right or ). q(in a statusbar.), description2 => q(Based on chanact.pl which was apparently based on ). q(lightbar.c and nicklist.pl with various other ideas ). q(from random scripts.), license => q(GNU GPLv2 or later), ); # }}} # {{{ *** D O C U M E N T A T I O N *** # adapted by Nei ############### # {{{ original comment # ########### # # Adds new powerful and customizable [Act: ...] item (chanelnames,modes,alias). # # Lets you give alias characters to windows so that you can select those with # # meta-<char>. # # # # for irssi 0.8.2 by [email protected] # # # # inspired by chanlist.pl by '[email protected]' # # # ######### # # {{{ Contributors # ######### # # # # [email protected] /window_alias code # # [email protected] chanact_abbreviate_names # # [email protected] Extra chanact_show_mode and chanact_chop_status # # }}} # }}} # # {{{ FURTHER THANKS TO # ############ # # buu, fxn, Somni, Khisanth, integral, tybalt89 for much support in any aspect perl # # and the channel in general ( #perl @ freenode ) and especially the ir_* functions # # # # Valentin 'senneth' Batz ( [email protected] ) for the pointer to grep.pl, continuous support # # and help in digging up ir_strip_codes # # # # OnetrixNET technology networks for the debian environment # # # # Monkey-Pirate.com / Spaceman Spiff for the webspace # # # }}} ###### # {{{ M A I N P R O B L E M ##### # # It is impossible to place the awl on a statusbar together with other items, # because I do not know how to calculate the size that it is going to get # granted, and therefore I cannot do the linebreaks properly. # This is what is missing to make a nice script out of awl. # If you have any ideas, please contact me ASAP :). # }}} ###### ###### # {{{ UTF-8 PROBLEM ##### # # Please help me find a solution to this: # this be your statusbar, it is using up the maximum term size # [[1=1]#abc [2=2]#defghi] # # now consider this example:i # "ascii" characters are marked with ., utf-8 characters with * # [[1=1]#... [2=2]#...***] # # you should think that this is how it would be displayed? WRONG! # [[1=1]#... [2=2]#...*** ] # # this is what Irssi does.. I believe my length calculating code to be correct, # however, I'd love to be proven wrong (or receive any other fix, too, of # course!) # }}} ###### ######### # {{{ USAGE ### # # copy the script to ~/.irssi/scripts/ # # In irssi: # # /script load awl # # # Hint: to get rid of the old [Act:] display # /statusbar window remove act # # to get it back: # /statusbar window add -after lag -priority 10 act # }}} ########## # {{{ OPTIONS ######## # # {{{ /set awl_display_nokey <string> # /set awl_display_key <string> # /set awl_display_nokey_active <string> # /set awl_display_key_active <string> # * string : Format String for one window. The following $'s are expanded: # $C : Name # $N : Number of the Window # $Q : meta-Keymap # $H : Start highlighting # $S : Stop highlighting # /+++++++++++++++++++++++++++++++++, # | **** I M P O R T A N T : **** | # | | # | don't forget to use $S if you | # | used $H before! | # | | # '+++++++++++++++++++++++++++++++++/ # XXX NOTE ON *_active: there is a BUG somewhere in the length # XXX calculation. currently it's best to NOT remove $H/$S from those # XXX settings if you use it in the non-active settings. # }}} # {{{ /set awl_separator <string> # * string : Charater to use between the channel entries # you'll need to escape " " space and "$" like this: # "/set awl_separator \ " # "/set awl_separator \$" # and {}% like this: # "/set awl_separator %{" # "/set awl_separator %}" # "/set awl_separator %%" # (reason being, that the separator is used inside a {format }) # }}} # {{{ /set awl_prefer_name <ON|OFF> # * this setting decides whether awl will use the active_name (OFF) or the # window name as the name/caption in awl_display_*. # That way you can rename windows using /window name myownname. # }}} # {{{ /set awl_hide_data <num> # * num : hide the window if its data_level is below num # set it to 0 to basically disable this feature, # 1 if you don't want windows without activity to be shown # 2 to show only those windows with channel text or hilight # 3 to show only windows with hilight # }}} # {{{ /set awl_maxlines <num> # * num : number of lines to use for the window list (0 to disable, negative # lock) # }}} # {{{ /set awl_columns <num> # * num : number of columns to use in screen mode (0 for unlimited) # }}} # {{{ /set awl_block <num> # * num : width of a column in screen mode (negative values = block display) # /+++++++++++++++++++++++++++++++++, # | ****** W A R N I N G ! ****** | # | | # | If your block display looks | # | DISTORTED, you need to add the | # | following line to your .theme | # | file under | # | abstracts = { : | # | | # | sb_act_none = "%n$*"; | # | | # '+++++++++++++++++++++++++++++++++/ #.02:08:26. < shi> Irssi::current_theme()->get_format <.. can this be used? # }}} # {{{ /set awl_sbar_maxlength <ON|OFF> # * if you enable the maxlength setting, the block width will be used as a # maximum length for the non-block statusbar mode too. # }}} # {{{ /set awl_height_adjust <num> # * num : how many lines to leave empty in screen mode # }}} # {{{ /set awl_sort <-data_level|-last_line|refnum> # * you can change the window sort order with this variable # -data_level : sort windows with hilight first # -last_line : sort windows in order of activity # refnum : sort windows by window number # }}} # {{{ /set awl_placement <top|bottom> # /set awl_position <num> # * these settings correspond to /statusbar because awl will create # statusbars for you # (see /help statusbar to learn more) # }}} # {{{ /set awl_all_disable <ON|OFF> # * if you set awl_all_disable to ON, awl will also remove the # last statusbar it created if it is empty. # As you might guess, this only makes sense with awl_hide_data > 0 ;) # }}} # {{{ /set awl_automode <sbar|screen|emulate_lightbar> # * this setting defines whether the window list is shown in statusbars or # whether the screen hack is used (from nicklist.pl) # }}} # }}} ########## # {{{ COMMANDS ######## # {{{ /awl paste <ON|OFF|TOGGLE> # * enables or disables the screen hack windowlist. This is useful when you # want to mark & copy text that you want to paste somewhere (hence the # name). (ON means AWL disabled!) # This is nicely bound to a function key for example. # }}} # {{{ /awl redraw # * redraws the screen hack windowlist. There are many occasions where the # screen hack windowlist can get destroyed so you can use this command to # fix it. # }}} # }}} ### # {{{ WISHES #### # # if you fiddle with my mess, provide me with your fixes so I can benefit as well # # Nei =^.^= ( [email protected] ) # }}} # }}} # {{{ modules #use Class::Classless; #use Term::Info; # }}} # {{{ global variables my $replaces = '[=]'; # AARGH!!! (chars that are always surrounded by weird # colour codes by Irssi) my $actString = []; # statusbar texts my $currentLines = 0; my $resetNeeded; # layout/screen has changed, redo everything my $needRemake; # "normal" changes #my $callcount = 0; sub GLOB_QUEUE_TIMER () { 100 } my $globTime = undef; # timer to limit remake() calls my $SCREEN_MODE; my $DISABLE_SCREEN_TEMP; my $currentColumns = 0; my $screenResizing; my ($screenHeight, $screenWidth); my $screenansi = bless { NAME => 'Screen::ANSI', PARENTS => [], METHODS => { dcs => sub { "\033P" }, st => sub { "\033\\"}, } }, 'Class::Classless::X'; #my $terminfo = new Term::Info 'xterm'; # xterm here, make this modular # {{{{{{{{{{{{{{{ my $terminfo = bless { # xterm here, make this modular NAME => 'Term::Info::xterm', PARENTS => [], METHODS => { # civis=\E[?25l, civis => sub { "\033[?25l" }, # sc=\E7, sc => sub { "\0337" }, # cup=\E[%i%p1%d;%p2%dH, cup => sub { shift;shift; "\033[" . ($_[0] + 1) . ';' . ($_[1] + 1) . 'H' }, # el=\E[K, el => sub { "\033[K" }, # rc=\E8, rc => sub { "\0338" }, # cnorm=\E[?25h, cnorm => sub { "\033[?25h" }, # setab=\E[4%p1%dm, setab => sub { shift;shift; "\033[4" . $_[0] . 'm' }, # setaf=\E[3%p1%dm, setaf => sub { shift;shift; "\033[3" . $_[0] . 'm' }, # bold=\E[1m, bold => sub { "\033[1m" }, # blink=\E[5m, blink => sub { "\033[5m" }, # rev=\E[7m, rev => sub { "\033[7m" }, # op=\E[39;49m, op => sub { "\033[39;49m" }, } }, 'Class::Classless::X'; # }}}}}}}}}}}}}}} sub setc () { $IRSSI{'name'} } sub set ($) { setc . '_' . shift } # }}} # {{{ sbar mode my %statusbars; # currently active statusbars # maybe I should just tie the array ? sub add_statusbar { for (@_) { # add subs for my $l ($_) { { no strict 'refs'; # :P *{set$l} = sub { awl($l, @_) }; }; } Irssi::command('statusbar ' . (set$_) . ' reset'); Irssi::command('statusbar ' . (set$_) . ' enable'); if (lc Irssi::settings_get_str(set 'placement') eq 'top') { Irssi::command('statusbar ' . (set$_) . ' placement top'); } if ((my $x = int Irssi::settings_get_int(set 'position')) != 0) { Irssi::command('statusbar ' . (set$_) . ' position ' . $x); } Irssi::command('statusbar ' . (set$_) . ' add -priority 100 -alignment left barstart'); Irssi::command('statusbar ' . (set$_) . ' add ' . (set$_)); Irssi::command('statusbar ' . (set$_) . ' add -priority 100 -alignment right barend'); Irssi::command('statusbar ' . (set$_) . ' disable'); Irssi::statusbar_item_register(set$_, '$0', set$_); $statusbars{$_} = {}; } } sub remove_statusbar { for (@_) { Irssi::command('statusbar ' . (set$_) . ' reset'); Irssi::statusbar_item_unregister(set$_); # XXX does this actually work ? # DO NOT REMOVE the sub before you have unregistered it :)) for my $l ($_) { { no strict 'refs'; undef &{set$l}; }; } delete $statusbars{$_}; } } sub syncLines { my $temp = $currentLines; $currentLines = @$actString; #Irssi::print("current lines: $temp new lines: $currentLines"); my $currMaxLines = Irssi::settings_get_int(set 'maxlines'); if ($currMaxLines > 0 and @$actString > $currMaxLines) { $currentLines = $currMaxLines; } elsif ($currMaxLines < 0) { $currentLines = abs($currMaxLines); } return if ($temp == $currentLines); if ($currentLines > $temp) { for ($temp .. ($currentLines - 1)) { add_statusbar($_); Irssi::command('statusbar ' . (set$_) . ' enable'); } } else { for ($_ = ($temp - 1); $_ >= $currentLines; $_--) { Irssi::command('statusbar ' . (set$_) . ' disable'); remove_statusbar($_); } } } # FIXME implement $get_size_only check, and user $item->{min|max-size} ?? sub awl { my ($line, $item, $get_size_only) = @_; if ($needRemake) { $needRemake = undef; remake(); } my $text = $actString->[$line]; # DO NOT set the actual $actString->[$line] to '' here or $text = '' unless defined $text; # you'll screw up the statusbar counter ($currentLines) $item->default_handler($get_size_only, $text, '', 1); } # remove old statusbars my %killBar; sub get_old_status { my ($textDest, $cont, $cont_stripped) = @_; if ($textDest->{'level'} == 524288 and $textDest->{'target'} eq '' and !defined($textDest->{'server'}) ) { my $name = quotemeta(set ''); if ($cont_stripped =~ m/^$name(\d+)\s/) { $killBar{$1} = {}; } Irssi::signal_stop(); } } sub killOldStatus { %killBar = (); Irssi::signal_add_first('print text' => 'get_old_status'); Irssi::command('statusbar'); Irssi::signal_remove('print text' => 'get_old_status'); remove_statusbar(keys %killBar); } #killOldStatus(); # end sbar mode }}} # {{{ keymaps my %keymap; sub get_keymap { my ($textDest, undef, $cont_stripped) = @_; if ($textDest->{'level'} == 524288 and $textDest->{'target'} eq '' and !defined($textDest->{'server'}) ) { if ($cont_stripped =~ m/((?:meta-)+)(.)\s+change_window (\d+)/) { my ($level, $key, $window) = ($1, $2, $3); my $numlevel = ($level =~ y/-//) - 1; $keymap{$window} = ('-' x $numlevel) . "$key"; } Irssi::signal_stop(); } } sub update_keymap { %keymap = (); Irssi::signal_remove('command bind' => 'watch_keymap'); Irssi::signal_add_first('print text' => 'get_keymap'); Irssi::command('bind'); # stolen from grep Irssi::signal_remove('print text' => 'get_keymap'); Irssi::signal_add('command bind' => 'watch_keymap'); Irssi::timeout_add_once(100, 'eventChanged', undef); } # watch keymap changes sub watch_keymap { Irssi::timeout_add_once(1000, 'update_keymap', undef); } update_keymap(); # end keymaps }}} # {{{ format handling # a bad way do do expansions but who cares sub expand { my ($string, %format) = @_; my ($exp, $repl); $string =~ s/\$$exp/$repl/g while (($exp, $repl) = each(%format)); return $string; } my %strip_table = ( # fe-common::core::formats.c:format_expand_styles # delete format_backs format_fores bold_fores other stuff (map { $_ => '' } (split //, '04261537' . 'kbgcrmyw' . 'KBGCRMYW' . 'U9_8:|FnN>#[')), # escape (map { $_ => $_ } (split //, '{}%')), ); sub ir_strip_codes { # strip %codes my $o = shift; $o =~ s/(%(.))/exists $strip_table{$2} ? $strip_table{$2} : $1/gex; $o } sub ir_parse_special { my $o; my $i = shift; #if ($_[0]) { # for the future?!? # eval { # $o = $_[0]->parse_special($i); # }; # unless ($@) { # return $o; # } #} my $win = shift || Irssi::active_win(); my $server = Irssi::active_server(); if (ref $win and ref $win->{'active'}) { $o = $win->{'active'}->parse_special($i); } elsif (ref $win and ref $win->{'active_server'}) { $o = $win->{'active_server'}->parse_special($i); } elsif (ref $server) { $o = $server->parse_special($i); } else { $o = Irssi::parse_special($i); } $o } sub ir_parse_special_protected { my $o; my $i = shift; $i =~ s/ ( \\. ) | # skip over escapes (maybe) ( \$[^% $\]+ ) # catch special variables / if ($1) { $1 } elsif ($2) { my $i2 = $2; ir_fe(ir_parse_special($i2, @_)) } else { $& } /gex; $i } sub sb_ctfe { # Irssi::current_theme->format_expand wrapper Irssi::current_theme->format_expand( shift, ( Irssi::EXPAND_FLAG_IGNORE_REPLACES | ($_[0]?0:Irssi::EXPAND_FLAG_IGNORE_EMPTY) ) ) } sub sb_expand { # expand {format }s (and apply parse_special for $vars) ir_parse_special( sb_ctfe(shift) ) } sub sb_strip { ir_strip_codes( sb_expand(shift) ); # does this get us the actual length of that s*ty bar :P ? } sub sb_length { # unicode cludge, d*mn broken Irssi # screw it, this will fail from broken joining anyway (and cause warnings) my $term_type = 'term_type'; if (Irssi::version > 20040819) { # this is probably wrong, but I don't know # when the setting name got changed $term_type = 'term_charset'; } #if (lc Irssi::settings_get_str($term_type) eq '8bit' # or Irssi::settings_get_str($term_type) =~ /^iso/i #) { # length(sb_strip(shift)) #} #else { my $temp = sb_strip(shift); # try to get the displayed width my $length; eval { require Text::CharWidth; $length = Text::CharWidth::mbswidth($temp); }; unless ($@) { return $length; } else { if (lc Irssi::settings_get_str($term_type) eq 'utf-8') { # try to switch on utf8 eval { no warnings; require Encode; #$temp = Encode::decode_utf8($temp); # thanks for the hint, but I have my # # reasons for _utf8_on Encode::_utf8_on($temp); }; } # there is nothing more I can do length($temp) } #} } # !!! G*DD*MN Irssi is adding an additional layer of backslashitis per { } layer # !!! AND I still don't know what I need to escape. # !!! and NOONE else seems to know or care either. # !!! f*ck open source. I mean it. # XXX any Irssi::print debug statement leads to SEGFAULT - why ? # major parts of the idea by buu (#perl @ freenode) # thanks to fxn and Somni for debugging # while ($_[0] =~ /(.)/g) { # my $c = $1; # XXX sooo... goto kills $1 # if ($q eq '%') { goto ESC; } ## <freenode:#perl:tybalt89> s/%(.)|(\{)|(\})|(\\|\$)/$1?$1:$2?($level++,$2):$3?($level>$min_level&&$level--,$3):'\\'x(2**$level-1).$4/ge; # untested... sub ir_escape { my $min_level = $_[1] || 0; my $level = $min_level; my $o = shift; $o =~ s/ ( %. ) | # $1 ( \{ ) | # $2 ( \} ) | # $3 ( \\ ) | # $4 ( \$(?=[^\\]) ) | # $5 ( \$ ) # $6 / if ($1) { $1 } # %. escape elsif ($2) { $level++; $2 } # { nesting start elsif ($3) { if ($level > $min_level) { $level--; } $3 } # } nesting end elsif ($4) { '\\'x(2**$level) } # \ needs \\escaping elsif ($5) { '\\'x(2**$level-1) . '$' . '\\'x(2**$level-1) } # and $ needs even more because of "parse_special" else { '\\'x(2**$level-1) . '$' } # $ needs \$ escaping /gex; $o } #sub ir_escape { # my $min_level = $_[1] || 0; my $level = $min_level; # my $o = shift; # $o =~ s/ # ( %. ) | # $1 # ( \{ ) | # $2 # ( \} ) | # $3 # ( \\ | \$ ) # $4 # / # if ($1) { $1 } # %. escape # elsif ($2) { $level++; $2 } # { nesting start # elsif ($3) { if ($level > $min_level) { $level--; } $3 } # } nesting end # else { '\\'x(2**($level-1)-1) . $4 } # \ or $ needs \\escaping # /gex; # $o #} sub ir_fe { # try to fix format stuff my $x = shift; # XXX why do I have to use two/four % here instead of one/two ?? # answer: you screwed up in ir_escape $x =~ s/([%{}])/%$1/g; #$x =~ s/(\\|\$|[ ])/\\$1/g; # XXX HOW CAN I HANDLE THE SPACES CORRECTLY XXX $x =~ s/(\\|\$)/\\$1/g; #$x =~ s/(\$(?=.))|(\$)/$1?"\\\$\\":"\\\$"/ge; # I think this should be here # # (logic), but it doesn't work # # that way :P #$x =~ s/\\/\\\\/g; # that's right, escape escapes $x } sub ir_ve { # escapes special vars but leave colours alone my $x = shift; #$x =~ s/([%{}])/%$1/g; $x =~ s/(\\|\$|[ ])/\\$1/g; $x } my %ansi_table; { my ($i, $j, $k) = (0, 0, 0); %ansi_table = ( # fe-common::core::formats.c:format_expand_styles # do format_backs (map { $_ => $terminfo->setab($i++) } (split //, '01234567' )), # do format_fores (map { $_ => $terminfo->setaf($j++) } (split //, 'krgybmcw' )), # do bold_fores (map { $_ => $terminfo->bold() . $terminfo->setaf($k++) } (split //, 'KRGYBMCW')), # reset #(map { $_ => $terminfo->op() } (split //, 'nN')), (map { $_ => $terminfo->op() } (split //, 'n')), (map { $_ => "\033[0m" } (split //, 'N')), # XXX quick and DIRTY # flash/bright F => $terminfo->blink(), # reverse 8 => $terminfo->rev(), # bold (map { $_ => $terminfo->bold() } (split //, '9_')), # delete other stuff (map { $_ => '' } (split //, ':|>#[')), # escape (map { $_ => $_ } (split //, '{}%')), ) } sub formats_to_ansi_basic { my $o = shift; $o =~ s/(%(.))/exists $ansi_table{$2} ? $ansi_table{$2} : $1/gex; $o } sub lc1459 ($) { my $x = shift; $x =~ y/A-Z][\^/a-z}{|~/; $x } Irssi::settings_add_str(setc, 'banned_channels', ''); Irssi::settings_add_bool(setc, 'banned_channels_on', 0); my %banned_channels = map { lc1459($_) => undef } split ' ', Irssi::settings_get_str('banned_channels'); Irssi::settings_add_str(setc, 'fancy_abbrev', 'fancy'); # }}} # {{{ main sub remake () { #$callcount++; #my $xx = $callcount; Irssi::print("starting remake [ $xx ]"); my ($hilight, $number, $display); my $separator = '{sb_act_sep ' . Irssi::settings_get_str(set 'separator') . '}'; my $custSort = Irssi::settings_get_str(set 'sort'); my $custSortDir = 1; if ($custSort =~ /^[-!](.*)/) { $custSortDir = -1; $custSort = $1; } my @wins = sort { ( ( (int($a->{$custSort}) <=> int($b->{$custSort})) * $custSortDir ) || ($a->{'refnum'} <=> $b->{'refnum'}) ) } Irssi::windows; my $block = Irssi::settings_get_int(set 'block'); my $columns = $currentColumns; my $oldActString = $actString if $SCREEN_MODE; $actString = $SCREEN_MODE ? [' A W L'] : []; my $line = $SCREEN_MODE ? 1 : 0; my $width = $SCREEN_MODE ? $screenWidth - abs($block)*$columns + 1 : ([Irssi::windows]->[0]{'width'} - sb_length('{sb x}')); my $height = $screenHeight - abs(Irssi::settings_get_int(set 'height_adjust')); my ($numPad, $keyPad) = (0, 0); my %abbrevList; if ($SCREEN_MODE or Irssi::settings_get_bool(set 'sbar_maxlength') or ($block < 0) ) { %abbrevList = (); if (Irssi::settings_get_str('fancy_abbrev') !~ /^(no|off|head)/i) { my @nameList = map { ref $_ ? $_->get_active_name : '' } @wins; for (my $i = 0; $i < @nameList - 1; ++$i) { my ($x, $y) = ($nameList[$i], $nameList[$i + 1]); for ($x, $y) { s/^[+#!=]// } my $res = Algorithm::LCSS::LCSS($x, $y); if (defined $res) { #Irssi::print("common pattern $x $y : $res"); #Irssi::print("found at $nameList[$i] ".index($nameList[$i], # $res)); $abbrevList{$nameList[$i]} = int (index($nameList[$i], $res) + (length($res) / 2)); #Irssi::print("found at ".$nameList[$i+1]." ".index($nameList[$i+1], # $res)); $abbrevList{$nameList[$i+1]} = int (index($nameList[$i+1], $res) + (length($res) / 2)); } } } if ($SCREEN_MODE or ($block < 0)) { $numPad = length((sort { length($b) <=> length($a) } keys %keymap)[0]); $keyPad = length((sort { length($b) <=> length($a) } values %keymap)[0]); } } if ($SCREEN_MODE) { print STDERR $screenansi->dcs(). $terminfo->civis(). $terminfo->sc(). $screenansi->st(); if (@$oldActString < 1) { print STDERR $screenansi->dcs(). $terminfo->cup(0, $width). $actString->[0]. $terminfo->el(). $screenansi->st(); } } foreach my $win (@wins) { unless ($SCREEN_MODE) { $actString->[$line] = '' unless defined $actString->[$line] or Irssi::settings_get_bool(set 'all_disable'); } # all stolen from chanact, what does this code do and why do we need it ? !ref($win) && next; my $name = $win->get_active_name; $name = '*' if (Irssi::settings_get_bool('banned_channels_on') and exists $banned_channels{lc1459($name)}); $name = $win->{'name'} if $name ne '*' and $win->{'name'} ne '' and Irssi::settings_get_bool(set 'prefer_name'); my $active = $win->{'active'}; my $colour = $win->{'hilight_color'}; if (!defined $colour) { $colour = ''; } if ($win->{'data_level'} < Irssi::settings_get_int(set 'hide_data')) { next; } # for Geert if ($win->{'data_level'} == 0) { $hilight = '{sb_act_none '; } elsif ($win->{'data_level'} == 1) { $hilight = '{sb_act_text '; } elsif ($win->{'data_level'} == 2) { $hilight = '{sb_act_msg '; } elsif ($colour ne '') { $hilight = "{sb_act_hilight_color $colour "; } elsif ($win->{'data_level'} == 3) { $hilight = '{sb_act_hilight '; } else { $hilight = '{sb_act_special '; } $number = $win->{'refnum'}; my @display = ('display_nokey'); if (defined $keymap{$number} and $keymap{$number} ne '') { unshift @display, map { (my $cpy = $_) =~ s/_no/_/; $cpy } @display; } if (Irssi::active_win->{'refnum'} == $number) { unshift @display, map { my $cpy = $_; $cpy .= '_active'; $cpy } @display; } #Irssi::print("win $number [@display]: " . join '.', split //, join '<<', map { # Irssi::settings_get_str(set $_) } @display); $display = (grep { $_ } map { Irssi::settings_get_str(set $_) } @display)[0]; #Irssi::print("win $number : " . join '.', split //, $display); if ($SCREEN_MODE or Irssi::settings_get_bool(set 'sbar_maxlength') or ($block < 0) ) { my $baseLength = sb_length(ir_escape(ir_ve(ir_parse_special_protected(sb_ctfe( '{sb_background}' . expand($display, C => ir_fe('x'), N => $number . (' 'x($numPad - length($number))), Q => ir_fe((' 'x($keyPad - length($keymap{$number}))) . $keymap{$number}), H => $hilight, S => '}{sb_background}' ), 1), $win)))) - 1; my $diff = abs($block) - (length($name) + $baseLength); if ($diff < 0) { # too long if (abs($diff) >= length($name)) { $name = '' } # forget it elsif (abs($diff) + 1 >= length($name)) { $name = substr($name, 0, 1); } else { my $middle = exists $abbrevList{$name} ? (($abbrevList{$name} + (2*(length($name) / 2)))/3) : ((Irssi::settings_get_str('fancy_abbrev') =~ /^head/i) ? length($name) : (length($name) / 2)); my $cut = int($middle - (abs($diff) / 2) + .55); $cut = 1 if $cut < 1; $cut = length($name) - abs($diff) - 1 if $cut > (length($name) - abs($diff) - 1); $name = substr($name, 0, $cut) . '~' . substr($name, $cut + abs($diff) + 1); } } elsif ($SCREEN_MODE or ($block < 0)) { $name .= (' ' x $diff); } } my $add = ir_ve(ir_parse_special_protected(sb_ctfe('{sb_background}' . expand($display, C => ir_fe($name), N => $number . (' 'x($numPad - length($number))), Q => ir_fe((' 'x($keyPad - length($keymap{$number}))) . $keymap{$number}), H => $hilight, S => '}{sb_background}' ), 1), $win)); if ($SCREEN_MODE) { $actString->[$line] = $add; if ((!defined $oldActString->[$line] or $oldActString->[$line] ne $actString->[$line]) and $line <= ($columns * $height) ) { print STDERR $screenansi->dcs(). $terminfo->cup(($line-1) % $height+1, $width + ( abs($block) * int(($line-1) / $height))). formats_to_ansi_basic(sb_expand(ir_escape($actString->[$line]))). #$terminfo->el(). $screenansi->st(); } $line++; } else { #$temp =~ s/\{\S+?(?:\s(.*?))?\}/$1/g; #$temp =~ s/\\\\\\\\/\\/g; # XXX I'm actually guessing here, someone point me # # XXX to docs please $actString->[$line] = '' unless defined $actString->[$line]; # XXX how can I check whether the content still fits in the bar? this would # XXX allow awlstatus to reside on a statusbar together with other items... if (sb_length(ir_escape($actString->[$line] . $add)) >= $width) { # XXX doesn't correctly handle utf-8 multibyte ... help !!? $actString->[$line] .= ' ' x ($width - sb_length(ir_escape( $actString->[$line]))); $line++; } $actString->[$line] .= $add . $separator; # XXX if I use these prints, output layout gets screwed up... why ? #Irssi::print("line $line: ".$actString->[$line]); #Irssi::print("temp $line: ".$temp); } } if ($SCREEN_MODE) { while ($line <= ($columns * $height)) { print STDERR $screenansi->dcs(). $terminfo->cup(($line-1) % $height+1, $width + ( abs($block) * int(($line-1) / $height))). $terminfo->el(). $screenansi->st(); $line++; } print STDERR $screenansi->dcs(). $terminfo->rc(). $terminfo->cnorm(). $screenansi->st(); } else { # XXX the Irssi::print statements lead to the MOST WEIRD results # e.g.: the loop gets executed TWICE for p > 0 ?!? for (my $p = 0; $p < @$actString; $p++) { # wrap each line in {sb }, escape it my $x = $actString->[$p]; # properly, etc. $x =~ s/\Q$separator\E([ ]*)$/$1/; #Irssi::print("[$p]".'current:'.join'.',split//,sb_strip(ir_escape($x,0))); #Irssi::print("assumed length before:".sb_length(ir_escape($x,0))); $x = "{sb $x}"; #Irssi::print("[$p]".'new:'.join'.',split//,sb_expand(ir_escape($x,0))); #Irssi::print("[$p]".'new:'.join'.',split//,ir_escape($x,0)); #Irssi::print("assumed length after:".sb_length(ir_escape($x,0))); $x = ir_escape($x); #Irssi::print("[$p]".'REALnew:'.join'.',split//,sb_strip($x)); $actString->[$p] = $x; # XXX any Irssi::print debug statement leads to SEGFAULT (sometimes) - why ? } } #Irssi::print("remake [ $xx ] finished"); } sub awlHasChanged () { $globTime = undef; my $temp = ($SCREEN_MODE ? "\\\n" . Irssi::settings_get_int(set 'block'). Irssi::settings_get_int(set 'height_adjust') : "!\n" . Irssi::settings_get_str(set 'placement'). Irssi::settings_get_int(set 'position')). Irssi::settings_get_str(set 'automode'); if ($temp ne $resetNeeded) { wlreset(); return; } #Irssi::print("awl has changed, calls to remake so far: $callcount"); $needRemake = 1; #remake(); if ( ($SCREEN_MODE and !$DISABLE_SCREEN_TEMP) or ($needRemake and Irssi::settings_get_bool(set 'all_disable')) or (!Irssi::settings_get_bool(set 'all_disable') and $currentLines < 1) ) { $needRemake = undef; remake(); } unless ($SCREEN_MODE) { # XXX Irssi crashes if I try to do this without timer, why ? What's the minimum # XXX delay I need to use in the timer ? Irssi::timeout_add_once(100, 'syncLines', undef); for (keys %statusbars) { Irssi::statusbar_items_redraw(set$_); } } else { Irssi::timeout_add_once(100, 'syncColumns', undef); } } sub eventChanged () { # Implement a change queue/blocker -.-) if (defined $globTime) { Irssi::timeout_remove($globTime); } # delay the update further $globTime = Irssi::timeout_add_once(GLOB_QUEUE_TIMER, 'awlHasChanged', undef); } # }}} # {{{ screen mode sub screenFullRedraw { my ($window) = @_; if (!ref $window or $window->{'refnum'} == Irssi::active_win->{'refnum'}) { $actString = []; eventChanged(); } } sub screenSize { # from nicklist.pl $screenResizing = 1; # fit screen system 'screen -x '.$ENV{'STY'}.' -X fit'; # get size my ($row, $col) = split ' ', `stty size`; # set screen width $screenWidth = $col-1; $screenHeight = $row-1; # on some recent systems, "screen -X fit; screen -X width -w 50" doesn't work, needs a sleep in between the 2 commands # so we wait a second before setting the width Irssi::timeout_add_once(100, sub { my ($new_irssi_width) = @_; $new_irssi_width -= abs(Irssi::settings_get_int(set 'block'))*$currentColumns - 1; system 'screen -x '.$ENV{'STY'}.' -X width -w ' . $new_irssi_width; # and then we wait another second for the resizing, and then redraw. Irssi::timeout_add_once(10,sub {$screenResizing = 0; screenFullRedraw()}, []); }, $screenWidth); } sub screenOff { my ($unloadMode) = @_; Irssi::signal_remove('gui print text finished' => 'screenFullRedraw'); Irssi::signal_remove('gui page scrolled' => 'screenFullRedraw'); Irssi::signal_remove('window changed' => 'screenFullRedraw'); Irssi::signal_remove('window changed automatic' => 'screenFullRedraw'); if ($unloadMode) { Irssi::signal_remove('terminal resized' => 'resizeTerm'); } system 'screen -x '.$ENV{'STY'}.' -X fit'; } sub syncColumns { return if (@$actString == 0); my $temp = $currentColumns; #Irssi::print("current columns $temp"); my $height = $screenHeight - abs(Irssi::settings_get_int(set 'height_adjust')); $currentColumns = int(($#$actString-1) / $height) + 1; #Irssi::print("objects in actstring:".scalar(@$actString).", screen height:". # $height); my $currMaxColumns = Irssi::settings_get_int(set 'columns'); if ($currMaxColumns > 0 and $currentColumns > $currMaxColumns) { $currentColumns = $currMaxColumns; } elsif ($currMaxColumns < 0) { $currentColumns = abs($currMaxColumns); } return if ($temp == $currentColumns); screenSize(); } #$needRemake = 1; sub resizeTerm () { if ($SCREEN_MODE and !$screenResizing) { $screenResizing = 1; Irssi::timeout_add_once(10, 'screenSize', undef); } Irssi::timeout_add_once(100, 'eventChanged', undef); } # }}} # {{{ settings add Irssi::settings_add_str(setc, set 'display_nokey', '[$N]$H$C$S'); Irssi::settings_add_str(setc, set 'display_key', '[$Q=$N]$H$C$S'); Irssi::settings_add_str(setc, set 'display_nokey_active', ''); Irssi::settings_add_str(setc, set 'display_key_active', ''); Irssi::settings_add_str(setc, set 'separator', "\\ "); Irssi::settings_add_bool(setc, set 'prefer_name', 0); Irssi::settings_add_int(setc, set 'hide_data', 0); Irssi::settings_add_int(setc, set 'maxlines', 9); Irssi::settings_add_int(setc, set 'columns', 1); Irssi::settings_add_int(setc, set 'block', 20); Irssi::settings_add_bool(setc, set 'sbar_maxlength', 0); Irssi::settings_add_int(setc, set 'height_adjust', 2); Irssi::settings_add_str(setc, set 'sort', 'refnum'); Irssi::settings_add_str(setc, set 'placement', 'bottom'); Irssi::settings_add_int(setc, set 'position', 0); Irssi::settings_add_bool(setc, set 'all_disable', 0); Irssi::settings_add_str(setc, set 'automode', 'sbar'); # }}} # {{{ init sub wlreset { $actString = []; $currentLines = 0; # 1; # mhmmmm .. we actually enable one line down there so # let's try this. #update_keymap(); killOldStatus(); # Register statusbar #add_statusbar(0); #Irssi::command('statusbar wl0 enable'); my $was_screen_mode = $SCREEN_MODE; if ($SCREEN_MODE = (Irssi::settings_get_str(set 'automode') =~ /screen/i) and !$was_screen_mode ) { if (!defined $ENV{'STY'}) { Irssi::print('Screen mode can only be used in GNU screen but no '. 'screen was found.', MSGLEVEL_CLIENTERROR); $SCREEN_MODE = undef; } else { Irssi::signal_add_last('gui print text finished' => 'screenFullRedraw'); Irssi::signal_add_last('gui page scrolled' => 'screenFullRedraw'); Irssi::signal_add('window changed' => 'screenFullRedraw'); Irssi::signal_add('window changed automatic' => 'screenFullRedraw'); } } elsif ($was_screen_mode and !$SCREEN_MODE) { screenOff(); } $resetNeeded = ($SCREEN_MODE ? "\\\n" . Irssi::settings_get_int(set 'block'). Irssi::settings_get_int(set 'height_adjust') : "!\n" . Irssi::settings_get_str(set 'placement'). Irssi::settings_get_int(set 'position')). Irssi::settings_get_str(set 'automode'); resizeTerm(); } wlreset(); # }}} # {{{ unload/deinit my $Unload; sub unload ($$$) { $Unload = 1; # pretend we didn't do anything ASAP Irssi::timeout_add_once(10, sub { $Unload = undef; }, undef); } # last try to catch a sigsegv Irssi::signal_add_first('gui exit' => sub { $Unload = undef; }); sub UNLOAD { # this might well crash Irssi... try /eval /script unload someotherscript ; # /quit (= SEGFAULT !) if ($Unload) { $actString = ['']; # syncLines(); # XXX Irssi crashes when trying to disable killOldStatus(); # XXX all statusbars ? if ($SCREEN_MODE) { screenOff('unload mode'); } } } # }}} # {{{ signals sub addPrintTextHook { # update on print text return if $_[0]->{'level'} == 262144 and $_[0]->{'target'} eq '' and !defined($_[0]->{'server'}); if (Irssi::settings_get_str(set 'sort') =~ /^[-!]?last_line$/) { Irssi::timeout_add_once(100, 'eventChanged', undef); } } #sub _x { my ($x, $y) = @_; ($x, sub { Irssi::print('-->signal '.$x); eval "$y();"; }) } #sub _x { @_ } Irssi::signal_add_first( 'command script unload' => 'unload' ); Irssi::signal_add_last({ 'setup changed' => 'eventChanged', 'print text' => 'addPrintTextHook', 'terminal resized' => 'resizeTerm', 'setup reread' => 'wlreset', 'window hilight' => 'eventChanged', }); Irssi::signal_add({ 'window created' => 'eventChanged', 'window destroyed' => 'eventChanged', 'window name changed' => 'eventChanged', 'window refnum changed' => 'eventChanged', 'window changed' => 'eventChanged', 'window changed automatic' => 'eventChanged', }); #Irssi::signal_add('nick mode changed', 'chanactHasChanged'); # relicts # }}} # {{{ commands sub runsub { my ($cmd) = @_; sub { my ($data, $server, $item) = @_; Irssi::command_runsub($cmd, $data, $server, $item); }; } Irssi::command_bind( setc() => runsub(setc()) ); Irssi::command_bind( setc() . ' paste' => runsub(setc() . ' paste') ); Irssi::command_bind( setc() . ' paste on' => sub { return unless $SCREEN_MODE; my $was_disabled = $DISABLE_SCREEN_TEMP; $DISABLE_SCREEN_TEMP = 1; Irssi::print('Paste mode is now ON, '.uc(setc()).' is temporarily '. 'disabled.'); if (!$was_disabled) { $screenResizing = 1; screenOff(); } } ); Irssi::command_bind( setc() . ' paste off' => sub { return unless $SCREEN_MODE; my $was_disabled = $DISABLE_SCREEN_TEMP; $DISABLE_SCREEN_TEMP = undef; Irssi::print('Paste mode is now OFF, '.uc(setc()).' is enabled.'); if ($was_disabled) { $SCREEN_MODE = undef; $screenResizing = 0; wlreset(); } } ); Irssi::command_bind( setc() . ' paste toggle' => sub { if ($DISABLE_SCREEN_TEMP) { Irssi::command(setc() . ' paste off'); } else { Irssi::command(setc() . ' paste on'); } } ); Irssi::command_bind( setc() . ' redraw' => sub { return unless $SCREEN_MODE; screenFullRedraw(); } ); # }}} # {{{ Algorithm::LCSS module { package Algorithm::Diff; # Skip to first "=head" line for documentation. use strict; use integer; # see below in _replaceNextLargerWith() for mod to make # if you don't use this # McIlroy-Hunt diff algorithm # Adapted from the Smalltalk code of Mario I. Wolczko, <[email protected]> # by Ned Konz, [email protected] # Updates by Tye McQueen, http://perlmonks.org/?node=tye # Create a hash that maps each element of $aCollection to the set of # positions it occupies in $aCollection, restricted to the elements # within the range of indexes specified by $start and $end. # The fourth parameter is a subroutine reference that will be called to # generate a string to use as a key. # Additional parameters, if any, will be passed to this subroutine. # # my $hashRef = _withPositionsOfInInterval( \@array, $start, $end, $keyGen ); sub _withPositionsOfInInterval { my $aCollection = shift; # array ref my $start = shift; my $end = shift; my $keyGen = shift; my %d; my $index; for ( $index = $start ; $index <= $end ; $index++ ) { my $element = $aCollection->[$index]; my $key = &$keyGen( $element, @_ ); if ( exists( $d{$key} ) ) { unshift ( @{ $d{$key} }, $index ); } else { $d{$key} = [$index]; } } return wantarray ? %d : \%d; } # Find the place at which aValue would normally be inserted into the # array. If that place is already occupied by aValue, do nothing, and # return undef. If the place does not exist (i.e., it is off the end of # the array), add it to the end, otherwise replace the element at that # point with aValue. It is assumed that the array's values are numeric. # This is where the bulk (75%) of the time is spent in this module, so # try to make it fast! sub _replaceNextLargerWith { my ( $array, $aValue, $high ) = @_; $high ||= $#$array; # off the end? if ( $high == -1 || $aValue > $array->[-1] ) { push ( @$array, $aValue ); return $high + 1; } # binary search for insertion point... my $low = 0; my $index; my $found; while ( $low <= $high ) { $index = ( $high + $low ) / 2; # $index = int(( $high + $low ) / 2); # without 'use integer' $found = $array->[$index]; if ( $aValue == $found ) { return undef; } elsif ( $aValue > $found ) { $low = $index + 1; } else { $high = $index - 1; } } # now insertion point is in $low. $array->[$low] = $aValue; # overwrite next larger return $low; } # This method computes the longest common subsequence in $a and $b. # Result is array or ref, whose contents is such that # $a->[ $i ] == $b->[ $result[ $i ] ] # foreach $i in ( 0 .. $#result ) if $result[ $i ] is defined. # An additional argument may be passed; this is a hash or key generating # function that should return a string that uniquely identifies the given # element. It should be the case that if the key is the same, the elements # will compare the same. If this parameter is undef or missing, the key # will be the element as a string. # By default, comparisons will use "eq" and elements will be turned into keys # using the default stringizing operator '""'. # Additional parameters, if any, will be passed to the key generation # routine. sub _longestCommonSubsequence { my $a = shift; # array ref or hash ref my $b = shift; # array ref or hash ref my $counting = shift; # scalar my $keyGen = shift; # code ref my $compare; # code ref if ( ref($a) eq 'HASH' ) { # prepared hash must be in $b my $tmp = $b; $b = $a; $a = $tmp; } # Check for bogus (non-ref) argument values if ( !ref($a) || !ref($b) ) { my @callerInfo = caller(1); die 'error: must pass array or hash references to ' . $callerInfo[3]; } # set up code refs # Note that these are optimized. if ( !defined($keyGen) ) # optimize for strings { $keyGen = sub { $_[0] }; $compare = sub { my ( $a, $b ) = @_; $a eq $b }; } else { $compare = sub { my $a = shift; my $b = shift; &$keyGen( $a, @_ ) eq &$keyGen( $b, @_ ); }; } my ( $aStart, $aFinish, $matchVector ) = ( 0, $#$a, [] ); my ( $prunedCount, $bMatches ) = ( 0, {} ); if ( ref($b) eq 'HASH' ) # was $bMatches prepared for us? { $bMatches = $b; } else { my ( $bStart, $bFinish ) = ( 0, $#$b ); # First we prune off any common elements at the beginning while ( $aStart <= $aFinish and $bStart <= $bFinish and &$compare( $a->[$aStart], $b->[$bStart], @_ ) ) { $matchVector->[ $aStart++ ] = $bStart++; $prunedCount++; } # now the end while ( $aStart <= $aFinish and $bStart <= $bFinish and &$compare( $a->[$aFinish], $b->[$bFinish], @_ ) ) { $matchVector->[ $aFinish-- ] = $bFinish--; $prunedCount++; } # Now compute the equivalence classes of positions of elements $bMatches = _withPositionsOfInInterval( $b, $bStart, $bFinish, $keyGen, @_ ); } my $thresh = []; my $links = []; my ( $i, $ai, $j, $k ); for ( $i = $aStart ; $i <= $aFinish ; $i++ ) { $ai = &$keyGen( $a->[$i], @_ ); if ( exists( $bMatches->{$ai} ) ) { $k = 0; for $j ( @{ $bMatches->{$ai} } ) { # optimization: most of the time this will be true if ( $k and $thresh->[$k] > $j and $thresh->[ $k - 1 ] < $j ) { $thresh->[$k] = $j; } else { $k = _replaceNextLargerWith( $thresh, $j, $k ); } # oddly, it's faster to always test this (CPU cache?). if ( defined($k) ) { $links->[$k] = [ ( $k ? $links->[ $k - 1 ] : undef ), $i, $j ]; } } } } if (@$thresh) { return $prunedCount + @$thresh if $counting; for ( my $link = $links->[$#$thresh] ; $link ; $link = $link->[0] ) { $matchVector->[ $link->[1] ] = $link->[2]; } } elsif ($counting) { return $prunedCount; } return wantarray ? @$matchVector : $matchVector; } sub traverse_sequences { my $a = shift; # array ref my $b = shift; # array ref my $callbacks = shift || {}; my $keyGen = shift; my $matchCallback = $callbacks->{'MATCH'} || sub { }; my $discardACallback = $callbacks->{'DISCARD_A'} || sub { }; my $finishedACallback = $callbacks->{'A_FINISHED'}; my $discardBCallback = $callbacks->{'DISCARD_B'} || sub { }; my $finishedBCallback = $callbacks->{'B_FINISHED'}; my $matchVector = _longestCommonSubsequence( $a, $b, 0, $keyGen, @_ ); # Process all the lines in @$matchVector my $lastA = $#$a; my $lastB = $#$b; my $bi = 0; my $ai; for ( $ai = 0 ; $ai <= $#$matchVector ; $ai++ ) { my $bLine = $matchVector->[$ai]; if ( defined($bLine) ) # matched { &$discardBCallback( $ai, $bi++, @_ ) while $bi < $bLine; &$matchCallback( $ai, $bi++, @_ ); } else { &$discardACallback( $ai, $bi, @_ ); } } # The last entry (if any) processed was a match. # $ai and $bi point just past the last matching lines in their sequences. while ( $ai <= $lastA or $bi <= $lastB ) { # last A? if ( $ai == $lastA + 1 and $bi <= $lastB ) { if ( defined($finishedACallback) ) { &$finishedACallback( $lastA, @_ ); $finishedACallback = undef; } else { &$discardBCallback( $ai, $bi++, @_ ) while $bi <= $lastB; } } # last B? if ( $bi == $lastB + 1 and $ai <= $lastA ) { if ( defined($finishedBCallback) ) { &$finishedBCallback( $lastB, @_ ); $finishedBCallback = undef; } else { &$discardACallback( $ai++, $bi, @_ ) while $ai <= $lastA; } } &$discardACallback( $ai++, $bi, @_ ) if $ai <= $lastA; &$discardBCallback( $ai, $bi++, @_ ) if $bi <= $lastB; } return 1; } sub traverse_balanced { my $a = shift; # array ref my $b = shift; # array ref my $callbacks = shift || {}; my $keyGen = shift; my $matchCallback = $callbacks->{'MATCH'} || sub { }; my $discardACallback = $callbacks->{'DISCARD_A'} || sub { }; my $discardBCallback = $callbacks->{'DISCARD_B'} || sub { }; my $changeCallback = $callbacks->{'CHANGE'}; my $matchVector = _longestCommonSubsequence( $a, $b, 0, $keyGen, @_ ); # Process all the lines in match vector my $lastA = $#$a; my $lastB = $#$b; my $bi = 0; my $ai = 0; my $ma = -1; my $mb; while (1) { # Find next match indices $ma and $mb do { $ma++; } while( $ma <= $#$matchVector && !defined $matchVector->[$ma] ); last if $ma > $#$matchVector; # end of matchVector? $mb = $matchVector->[$ma]; # Proceed with discard a/b or change events until # next match while ( $ai < $ma || $bi < $mb ) { if ( $ai < $ma && $bi < $mb ) { # Change if ( defined $changeCallback ) { &$changeCallback( $ai++, $bi++, @_ ); } else { &$discardACallback( $ai++, $bi, @_ ); &$discardBCallback( $ai, $bi++, @_ ); } } elsif ( $ai < $ma ) { &$discardACallback( $ai++, $bi, @_ ); } else { # $bi < $mb &$discardBCallback( $ai, $bi++, @_ ); } } # Match &$matchCallback( $ai++, $bi++, @_ ); } while ( $ai <= $lastA || $bi <= $lastB ) { if ( $ai <= $lastA && $bi <= $lastB ) { # Change if ( defined $changeCallback ) { &$changeCallback( $ai++, $bi++, @_ ); } else { &$discardACallback( $ai++, $bi, @_ ); &$discardBCallback( $ai, $bi++, @_ ); } } elsif ( $ai <= $lastA ) { &$discardACallback( $ai++, $bi, @_ ); } else { # $bi <= $lastB &$discardBCallback( $ai, $bi++, @_ ); } } return 1; } sub prepare { my $a = shift; # array ref my $keyGen = shift; # code ref # set up code ref $keyGen = sub { $_[0] } unless defined($keyGen); return scalar _withPositionsOfInInterval( $a, 0, $#$a, $keyGen, @_ ); } sub LCS { my $a = shift; # array ref my $b = shift; # array ref or hash ref my $matchVector = _longestCommonSubsequence( $a, $b, 0, @_ ); my @retval; my $i; for ( $i = 0 ; $i <= $#$matchVector ; $i++ ) { if ( defined( $matchVector->[$i] ) ) { push ( @retval, $a->[$i] ); } } return wantarray ? @retval : \@retval; } sub LCS_length { my $a = shift; # array ref my $b = shift; # array ref or hash ref return _longestCommonSubsequence( $a, $b, 1, @_ ); } sub LCSidx { my $a= shift @_; my $b= shift @_; my $match= _longestCommonSubsequence( $a, $b, 0, @_ ); my @am= grep defined $match->[$_], 0..$#$match; my @bm= @{$match}[@am]; return \@am, \@bm; } sub compact_diff { my $a= shift @_; my $b= shift @_; my( $am, $bm )= LCSidx( $a, $b, @_ ); my @cdiff; my( $ai, $bi )= ( 0, 0 ); push @cdiff, $ai, $bi; while( 1 ) { while( @$am && $ai == $am->[0] && $bi == $bm->[0] ) { shift @$am; shift @$bm; ++$ai, ++$bi; } push @cdiff, $ai, $bi; last if ! @$am; $ai = $am->[0]; $bi = $bm->[0]; push @cdiff, $ai, $bi; } push @cdiff, 0+@$a, 0+@$b if $ai < @$a || $bi < @$b; return wantarray ? @cdiff : \@cdiff; } sub diff { my $a = shift; # array ref my $b = shift; # array ref my $retval = []; my $hunk = []; my $discard = sub { push @$hunk, [ '-', $_[0], $a->[ $_[0] ] ]; }; my $add = sub { push @$hunk, [ '+', $_[1], $b->[ $_[1] ] ]; }; my $match = sub { push @$retval, $hunk if 0 < @$hunk; $hunk = [] }; traverse_sequences( $a, $b, { MATCH => $match, DISCARD_A => $discard, DISCARD_B => $add }, @_ ); &$match(); return wantarray ? @$retval : $retval; } sub sdiff { my $a = shift; # array ref my $b = shift; # array ref my $retval = []; my $discard = sub { push ( @$retval, [ '-', $a->[ $_[0] ], "" ] ) }; my $add = sub { push ( @$retval, [ '+', "", $b->[ $_[1] ] ] ) }; my $change = sub { push ( @$retval, [ 'c', $a->[ $_[0] ], $b->[ $_[1] ] ] ); }; my $match = sub { push ( @$retval, [ 'u', $a->[ $_[0] ], $b->[ $_[1] ] ] ); }; traverse_balanced( $a, $b, { MATCH => $match, DISCARD_A => $discard, DISCARD_B => $add, CHANGE => $change, }, @_ ); return wantarray ? @$retval : $retval; } ######################################## my $Root= __PACKAGE__; package Algorithm::Diff::_impl; use strict; sub _Idx() { 0 } # $me->[_Idx]: Ref to array of hunk indices # 1 # $me->[1]: Ref to first sequence # 2 # $me->[2]: Ref to second sequence sub _End() { 3 } # $me->[_End]: Diff between forward and reverse pos sub _Same() { 4 } # $me->[_Same]: 1 if pos 1 contains unchanged items sub _Base() { 5 } # $me->[_Base]: Added to range's min and max sub _Pos() { 6 } # $me->[_Pos]: Which hunk is currently selected sub _Off() { 7 } # $me->[_Off]: Offset into _Idx for current position sub _Min() { -2 } # Added to _Off to get min instead of max+1 sub Die { require Carp; Carp::confess( @_ ); } sub _ChkPos { my( $me )= @_; return if $me->[_Pos]; my $meth= ( caller(1) )[3]; Die( "Called $meth on 'reset' object" ); } sub _ChkSeq { my( $me, $seq )= @_; return $seq + $me->[_Off] if 1 == $seq || 2 == $seq; my $meth= ( caller(1) )[3]; Die( "$meth: Invalid sequence number ($seq); must be 1 or 2" ); } sub getObjPkg { my( $us )= @_; return ref $us if ref $us; return $us . "::_obj"; } sub new { my( $us, $seq1, $seq2, $opts ) = @_; my @args; for( $opts->{keyGen} ) { push @args, $_ if $_; } for( $opts->{keyGenArgs} ) { push @args, @$_ if $_; } my $cdif= Algorithm::Diff::compact_diff( $seq1, $seq2, @args ); my $same= 1; if( 0 == $cdif->[2] && 0 == $cdif->[3] ) { $same= 0; splice @$cdif, 0, 2; } my @obj= ( $cdif, $seq1, $seq2 ); $obj[_End] = (1+@$cdif)/2; $obj[_Same] = $same; $obj[_Base] = 0; my $me = bless \@obj, $us->getObjPkg(); $me->Reset( 0 ); return $me; } sub Reset { my( $me, $pos )= @_; $pos= int( $pos || 0 ); $pos += $me->[_End] if $pos < 0; $pos= 0 if $pos < 0 || $me->[_End] <= $pos; $me->[_Pos]= $pos || !1; $me->[_Off]= 2*$pos - 1; return $me; } sub Base { my( $me, $base )= @_; my $oldBase= $me->[_Base]; $me->[_Base]= 0+$base if defined $base; return $oldBase; } sub Copy { my( $me, $pos, $base )= @_; my @obj= @$me; my $you= bless \@obj, ref($me); $you->Reset( $pos ) if defined $pos; $you->Base( $base ); return $you; } sub Next { my( $me, $steps )= @_; $steps= 1 if ! defined $steps; if( $steps ) { my $pos= $me->[_Pos]; my $new= $pos + $steps; $new= 0 if $pos && $new < 0; $me->Reset( $new ) } return $me->[_Pos]; } sub Prev { my( $me, $steps )= @_; $steps= 1 if ! defined $steps; my $pos= $me->Next(-$steps); $pos -= $me->[_End] if $pos; return $pos; } sub Diff { my( $me )= @_; $me->_ChkPos(); return 0 if $me->[_Same] == ( 1 & $me->[_Pos] ); my $ret= 0; my $off= $me->[_Off]; for my $seq ( 1, 2 ) { $ret |= $seq if $me->[_Idx][ $off + $seq + _Min ] < $me->[_Idx][ $off + $seq ]; } return $ret; } sub Min { my( $me, $seq, $base )= @_; $me->_ChkPos(); my $off= $me->_ChkSeq($seq); $base= $me->[_Base] if !defined $base; return $base + $me->[_Idx][ $off + _Min ]; } sub Max { my( $me, $seq, $base )= @_; $me->_ChkPos(); my $off= $me->_ChkSeq($seq); $base= $me->[_Base] if !defined $base; return $base + $me->[_Idx][ $off ] -1; } sub Range { my( $me, $seq, $base )= @_; $me->_ChkPos(); my $off = $me->_ChkSeq($seq); if( !wantarray ) { return $me->[_Idx][ $off ] - $me->[_Idx][ $off + _Min ]; } $base= $me->[_Base] if !defined $base; return ( $base + $me->[_Idx][ $off + _Min ] ) .. ( $base + $me->[_Idx][ $off ] - 1 ); } sub Items { my( $me, $seq )= @_; $me->_ChkPos(); my $off = $me->_ChkSeq($seq); if( !wantarray ) { return $me->[_Idx][ $off ] - $me->[_Idx][ $off + _Min ]; } return @{$me->[$seq]}[ $me->[_Idx][ $off + _Min ] .. ( $me->[_Idx][ $off ] - 1 ) ]; } sub Same { my( $me )= @_; $me->_ChkPos(); return wantarray ? () : 0 if $me->[_Same] != ( 1 & $me->[_Pos] ); return $me->Items(1); } my %getName; %getName= ( same => \&Same, diff => \&Diff, base => \&Base, min => \&Min, max => \&Max, range=> \&Range, items=> \&Items, # same thing ); sub Get { my $me= shift @_; $me->_ChkPos(); my @value; for my $arg ( @_ ) { for my $word ( split ' ', $arg ) { my $meth; if( $word !~ /^(-?\d+)?([a-zA-Z]+)([12])?$/ || not $meth= $getName{ lc $2 } ) { Die( $Root, ", Get: Invalid request ($word)" ); } my( $base, $name, $seq )= ( $1, $2, $3 ); push @value, scalar( 4 == length($name) ? $meth->( $me ) : $meth->( $me, $seq, $base ) ); } } if( wantarray ) { return @value; } elsif( 1 == @value ) { return $value[0]; } Die( 0+@value, " values requested from ", $Root, "'s Get in scalar context" ); } my $Obj= getObjPkg($Root); no strict 'refs'; for my $meth ( qw( new getObjPkg ) ) { *{$Root."::".$meth} = \&{$meth}; *{$Obj ."::".$meth} = \&{$meth}; } for my $meth ( qw( Next Prev Reset Copy Base Diff Same Items Range Min Max Get _ChkPos _ChkSeq ) ) { *{$Obj."::".$meth} = \&{$meth}; } }; { package Algorithm::LCSS; use strict; { no strict 'refs'; *traverse_sequences = \&Algorithm::Diff::traverse_sequences; } sub _tokenize { [split //, $_[0]] } sub CSS { my $is_array = ref $_[0] eq 'ARRAY' ? 1 : 0; my ( $seq1, $seq2, @match, $from_match ); my $i = 0; if ( $is_array ) { $seq1 = $_[0]; $seq2 = $_[1]; traverse_sequences( $seq1, $seq2, { MATCH => sub { push @{$match[$i]}, $seq1->[$_[0]]; $from_match = 1 }, DISCARD_A => sub { do{$i++; $from_match = 0} if $from_match }, DISCARD_B => sub { do{$i++; $from_match = 0} if $from_match }, }); } else { $seq1 = _tokenize($_[0]); $seq2 = _tokenize($_[1]); traverse_sequences( $seq1, $seq2, { MATCH => sub { $match[$i] .= $seq1->[$_[0]]; $from_match = 1 }, DISCARD_A => sub { do{$i++; $from_match = 0} if $from_match }, DISCARD_B => sub { do{$i++; $from_match = 0} if $from_match }, }); } return \@match; } sub CSS_Sorted { my $match = CSS(@_); if ( ref $_[0] eq 'ARRAY' ) { @$match = map{$_->[0]}sort{$b->[1]<=>$a->[1]}map{[$_,scalar(@$_)]}@$match } else { @$match = map{$_->[0]}sort{$b->[1]<=>$a->[1]}map{[$_,length($_)]}@$match } return $match; } sub LCSS { my $is_array = ref $_[0] eq 'ARRAY' ? 1 : 0; my $css = CSS(@_); my $index; my $length = 0; if ( $is_array ) { for( my $i = 0; $i < @$css; $i++ ) { next unless @{$css->[$i]}>$length; $index = $i; $length = @{$css->[$i]}; } } else { for( my $i = 0; $i < @$css; $i++ ) { next unless length($css->[$i])>$length; $index = $i; $length = length($css->[$i]); } } return $css->[$index]; } }; # }}} #{{{ Class::Classless module { package Class::Classless; use strict; use vars qw(@ISA); use Carp; @ISA = (); ########################################################################### @Class::Classless::X::ISA = (); ########################################################################### ########################################################################### sub Class::Classless::X::AUTOLOAD { # This's the big dispatcher. my $it = shift @_; my $m = ($Class::Classless::X::AUTOLOAD =~ m/([^:]+)$/s ) ? $1 : $Class::Classless::X::AUTOLOAD; croak "Can't call Class::Classless methods (like $m) without an object" unless ref $it; # sanity, basically. my $prevstate; $prevstate = ${shift @_} if scalar(@_) && defined($_[0]) && ref($_[0]) eq 'Class::Classless::CALLSTATE::SHIMMY' ; # A shim! we were called via $callstate->NEXT my $no_fail = $prevstate ? $prevstate->[3] : undef; my $i = $prevstate ? ($prevstate->[1] + 1) : 0; # where to start scanning my $lineage; # Get the linearization of the ISA tree if($prevstate) { $lineage = $prevstate->[2]; } elsif(defined $it->{'ISA_CACHE'} and ref $it->{'ISA_CACHE'} ){ $lineage = $it->{'ISA_CACHE'}; } else { $lineage = [ &Class::Classless::X::ISA_TREE($it) ]; } # Was: #my @lineage = # $prevstate ? @{$prevstate->[2]} # : &Class::Classless::X::ISA_TREE($it); # # Get the linearization of the ISA tree # # ISA-memoization happens in the ISA_TREE function. for(; $i < @$lineage; ++$i) { if( !defined($no_fail) and exists($lineage->[$i]{'NO_FAIL'}) ) { $no_fail = ($lineage->[$i]{'NO_FAIL'} || 0); # so the first NO_FAIL sets it } if( ref($lineage->[$i]{'METHODS'} || 0) # sanity && exists($lineage->[$i]{'METHODS'}{$m}) ){ # We found what we were after. Now see what to do with it. my $v = $lineage->[$i]{'METHODS'}{$m}; return $v unless defined $v and ref $v; if(ref($v) eq 'CODE') { # normal case, I expect! # Used to have copying of the arglist here. # But it was apparently useless, so I deleted it unshift @_, $it, # $_[0] -- target object # a NEW callstate bless([$m, $i, $lineage, $no_fail, $prevstate ? 1 : 0], 'Class::Classless::CALLSTATE' ), # $_[1] -- the callstate ; goto &{ $v }; # yes, magic goto! bimskalabim! } return @$v if ref($v) eq '_deref_array'; return $$v if ref($v) eq '_deref_scalar'; return $v; # fallthru } } if($m eq 'DESTROY') { # mitigate DESTROY-lookup failure at global destruction # should be impossible } else { if($no_fail || 0) { return; } croak "Can't find ", $prevstate ? 'NEXT method' : 'method', " $m in ", $it->{'NAME'} || $it, " or any ancestors\n"; } } ########################################################################### ########################################################################### sub Class::Classless::X::DESTROY { # noop } ########################################################################### sub Class::Classless::X::ISA_TREE { # The linearizer! # Returns the search path for $_[0], starting with $_[0] # Possibly memoized. # I stopped being able to understand this algorithm about five # minutes after I wrote it. use strict; my $set_cache = 0; # flag to set the cache on the way out if(exists($_[0]{'ISA_CACHE'})) { return @{$_[0]{'ISA_CACHE'}} if defined $_[0]{'ISA_CACHE'} and ref $_[0]{'ISA_CACHE'}; # Otherwise, if exists but is not a ref, it's a signal that it should # be replaced at the earliest, with a listref $set_cache = 1; } my $has_mi = 0; # set to 0 on the first node we see with 2 parents! # First, just figure out what's in the tree. my %last_child = ($_[0] => 1); # as if already seen # if $last_child{$x} == $y, that means: # 1) incidentally, we've passed the node $x before. # 2) $x is the last child of $y, # so that means that $y can be pushed to the stack only after # we've pushed $x to the stack. my @tree_nodes; { my $current; my @in_stack = ($_[0]); while(@in_stack) { next unless defined($current = shift @in_stack) && ref($current) # sanity && ref($current->{'PARENTS'} || 0) # sanity ; push @tree_nodes, $current; $has_mi = 1 if @{$current->{'PARENTS'}} > 1; unshift @in_stack, map { if(exists $last_child{$_}) { # seen before! $last_child{$_} = $current; (); # seen -- don't re-explore } else { # first time seen $last_child{$_} = $current; $_; # first time seen -- explore now } } @{$current->{'PARENTS'}} ; } # If there was no MI, then that first scan was sufficient. unless($has_mi) { $_[0]{'ISA_CACHE'} = \@tree_nodes if $set_cache; return @tree_nodes; } # Otherwise, toss this list and rescan, consulting %last_child } # $last_child{$parent} holds the last (or only) child of $parent # in this tree. When walking the tree this time, only that # child is authorized to put its parent on the @in_stack. # And that's the only way a node can get added to @in_stack, # except for $_[0] (the start node) being there at the beginning. # Now, walk again, but this time exploring parents the LAST # time seen in the tree, not the first. my @out; { my $current; my @in_stack = ($_[0]); while(@in_stack) { next unless defined($current = shift @in_stack) && ref($current); push @out, $current; # finally. unshift @in_stack, grep( ( defined($_) # sanity && ref($_) # sanity && $last_child{$_} eq $current, ), # I'm lastborn (or onlyborn) of this parent # so it's OK to explore now @{$current->{'PARENTS'}} ) if ref($current->{'PARENTS'} || 0) # sanity ; } unless(scalar(@out) == scalar(keys(%last_child))) { # the counts should be equal my %good_ones; @good_ones{@out} = (); croak "ISA tree for " . ($_[0]{'NAME'} || $_[0]) . " is apparently cyclic, probably involving the nodes " . nodelist( grep { ref($_) && !exists $good_ones{$_} } values(%last_child) ) . "\n"; } } #print "Contents of out: ", nodelist(@out), "\n"; $_[0]{'ISA_CACHE'} = \@out if $set_cache; return @out; } ########################################################################### sub Class::Classless::X::can { # NOT like UNIVERSAL::can ... # return 1 if $it is capable of the method given -- otherwise 0 my($it, $m) = @_[0,1]; return undef unless ref $it; croak "undef is not a valid method name" unless defined($m); croak "null-string is not a valid method name" unless length($m); foreach my $o (&Class::Classless::X::ISA_TREE($it)) { return 1 if ref($o->{'METHODS'} || 0) # sanity && exists $o->{'METHODS'}{$m}; } return 0; } ########################################################################### sub Class::Classless::X::isa { # Like UNIVERSAL::isa # Returns true for $X->isa($Y) iff $Y is $X or is an ancestor of $X. return unless ref($_[0]) && ref($_[1]); return scalar(grep {$_ eq $_[1]} &Class::Classless::X::ISA_TREE($_[0])); } ########################################################################### sub nodelist { join ', ', map { "" . ($_->{'NAME'} || $_) . ""} @_ } ########################################################################### ########################################################################### ########################################################################### # Methods for the CALLSTATE class. # Basically, CALLSTATE objects represent the state of the dispatcher, # frozen at the moment when the method call was dispatched to the # appropriate sub. # In the grand scheme of things, this needn't be a class -- I could # have just made the callstate data-object be a hash with documented # keys, or a closure that responded to only certain parameters, # etc. But I like it this way. And I like being able to say simply # $cs->NEXT # Yes, these are a bit cryptically written, but it's behoovy for # them to be very very efficient. @Class::Classless::ISA = (); sub Class::Classless::CALLSTATE::found_name { $_[0][0] } # the method name called and found sub Class::Classless::CALLSTATE::found_depth { $_[0][1] } # my depth in the lineage sub Class::Classless::CALLSTATE::lineage { @{$_[0][2]} } # my lineage sub Class::Classless::CALLSTATE::target { $_[0][2][ 0 ] } # the object that's the target -- same as $_[0] for the method called sub Class::Classless::CALLSTATE::home { $_[0][2][ $_[0][1] ] } # the object I was found in sub Class::Classless::CALLSTATE::sub_found { $_[0][2][ $_[0][1] ]{'METHODS'}{ $_[0][0] } } # the routine called sub Class::Classless::CALLSTATE::no_fail { $_[0][3] } sub Class::Classless::CALLSTATE::set_no_fail_true { $_[0][3] = 1 } sub Class::Classless::CALLSTATE::set_fail_false { $_[0][3] = 0 } sub Class::Classless::CALLSTATE::set_fail_undef { $_[0][3] = undef } sub Class::Classless::CALLSTATE::via_next { $_[0][4] } sub Class::Classless::CALLSTATE::NEXT { #croak "NEXT needs at least one argument: \$cs->NEXT('method'...)" # unless @_ > 1; # no longer true. my $cs = shift @_; my $m = shift @_; # which may be (or come out) undef... $m = $cs->[0] unless defined $m; # the method name called and found ($cs->[2][0])->$m( bless( \$cs, 'Class::Classless::CALLSTATE::SHIMMY' ), @_ ); } ########################################################################### }; #}}} ############### ### # # {{{ *** C h a n g e l o g *** # # 0.6ca # - add screen support (from nicklist.pl) # - rename to adv_windowlist.pl (advanced window list) since it isn't just a # window list status bar (wlstat) anymore # - names can now have a max length and window names can be used # - fixed a bug with block display in screen mode and statusbar mode # - added space handling to ir_fe and removed it again # - now handling formats on my own # - added warning about missing sb_act_none abstract leading to # - display*active settings # - added warning about the bug in awl_display_(no)key_active settings # # 0.5d # - add setting to also hide the last statusbar if empty (awl_all_disable) # - reverted to old utf8 code to also calculate broken utf8 length correctly # - simplified dealing with statusbars in wlreset # - added a little tweak for the renamed term_type somewhere after Irssi 0.8.9 # - fixed bug in handling channel #$$ # - typo on line 200 spotted by f0rked # - reset background colour at the beginning of an entry # # 0.4d # - fixed order of disabling statusbars # - several attempts at special chars, without any real success # and much more weird new bugs caused by this # - setting to specify sort order # - reduced timeout values # - added awl_hide_data for Geert Hauwaerts ( [email protected] ) :) # - make it so the dynamic sub is actually deleted # - fix a bug with removing of the last separator # - take into consideration parse_special # # 0.3b # - automatically kill old statusbars # - reset on /reload # - position/placement settings # # 0.2 # - automated retrieval of key bindings (thanks grep.pl authors) # - improved removing of statusbars # - got rid of status chop # # 0.1 # - rewritten to suit my needs # - based on chanact 0.5.5 # }}} # vim: se fdm=marker tw=80 : |