1 files changed, 142 insertions, 0 deletions
diff --git a/complete_text.pl b/complete_text.pl
new file mode 100644
index 0000000..bac2fa0
--- /dev/null
+++ b/complete_text.pl
@@ -0,0 +1,142 @@
+#!/usr/bin/perl
+
+# script was written ages ago, sometime around 2008.
+
+use warnings;
+use strict;
+
+use Irssi qw{
+	signal_add_last signal_add
+	command_bind
+	settings_get_int settings_add_int
+	settings_get_str settings_add_str
+};
+
+our $VERSION = "0.1";
+our %IRSSI = (
+	authors     => 'Urchlay',
+	contact     => 'Urchlay on NewNet',
+	name        => 'complete_text',
+	description => 'Create a dictionary from channel/msg text, ' .
+	               'use for word completion',
+	license     => 'Same as Perl',
+	url         => 'none',
+);
+
+# TODO:
+# - allow user to save the dictionary and reload
+# - allow user to remove words from dictionary
+# - better case-matching: store words in their original case or lowercase
+#   (user setting). If $word is initial cap, complete to full original
+#   case (so in #atari, A<tab> would be AtariSIO, not Atarisio)
+# - add channel topic and maybe /quit msg
+# - maybe expire old words based on use frequency?
+# - typo support like irccomplete?
+
+settings_add_int('complete_text', 'complete_dict_size', 5000);
+settings_add_str('complete_text', 'complete_preload', "/usr/dict/words");
+
+our $limit = settings_get_int('complete_dict_size');
+our %seen;
+our @dict;
+our %static_seen;
+our @static_dict;
+
+sub complete_word {
+	my ($complist, $window, $word, $linestart, $want_space) = @_;
+
+	my $prefix = $1 if $word =~ s/^(.*\b)(\w)/$2/;
+	my $initial_cap = ($word =~ /^[A-Z]/);
+
+	$word = quotemeta $word; # 20080723 bkw: d'oh!
+	push @$complist, map { $_ = $prefix . $_ } grep { $_ =~ /^$word/i } @dict;
+	push @$complist, map { $_ = $prefix . $_ } grep { $_ =~ /^$word/i } @static_dict;
+
+	if($initial_cap) {
+		s/^(.)/uc($1)/e for @$complist;
+	}
+}
+
+sub add_to_dict {
+	for(lc($_[1]) =~ /(\w{4,})/g) {
+		s/^_(\w+)_$/$1/;
+		s/^\*(\w+)\*$/$1/;
+
+		next if $static_seen{$_};
+		next if $seen{$_}++;
+
+		push @dict, $_;
+		if(@dict >= $limit) {
+			my $old = shift @dict;
+			delete $seen{$old};
+		}
+	}
+}
+
+sub dumpdict {
+	print "dynamic dictionary";
+	print for @dict;
+	print scalar keys %seen;
+	print scalar @dict;
+	print "\nstatic dictionary";
+#	print for sort keys %static_seen;
+	print scalar keys %static_seen;
+}
+
+sub load_static_seen {
+	%static_seen = ();
+	@static_dict = ();
+
+	my @files = split /:/, settings_get_str('complete_preload');
+
+	for(@files) {
+		print "preloading words from $_";
+		s/^~/$ENV{HOME}/;
+		print "$_ not found, skipping", next unless -f $_;
+
+		open my $f, "<$_" or do { print "$_: $!"; next; };
+		while(<$f>) {
+			chomp;
+			next unless $_;
+			$static_seen{$_}++;
+		}
+
+		close $f;
+
+		@static_dict = sort {
+			(length $a <=> length $b) || ($a cmp $b)
+		} keys %static_seen;
+	}
+
+	print "preloaded " . (scalar keys %static_seen) . " words";
+}
+
+sub setup_changed {
+	my $new_limit = settings_get_int('complete_dict_size');
+
+	if($new_limit < @dict) {
+		#print "deleting " . (@dict - $new_limit) . " elements";
+		for(my $i=0; $i < (@dict - $new_limit); $i++) {
+			my $old = shift @dict;
+			delete $seen{$old};
+		}
+	}
+
+	$limit = $new_limit;
+
+	load_static_seen();
+}
+
+load_static_seen();
+signal_add_last('setup changed', \&setup_changed);
+signal_add_last('complete word', \&complete_word);
+command_bind('dumpdict', \&dumpdict);
+
+for(
+		"message public", "message private",
+		"message own_public", "message own_private",
+		"message dcc", "message dcc own",
+		"message dcc own_action", "message dcc action")
+{
+	signal_add_last($_, \&add_to_dict);
+}