From 2799d200cb28fee39a8b621e60fa71ac943f504f Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Wed, 15 Mar 2000 20:49:44 +0000
Subject: Directory should really be named "scripts", not "examples". Added
 script mlock.pl

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@149 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 scripts/mlock.pl | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 scripts/mlock.pl

(limited to 'scripts/mlock.pl')

diff --git a/scripts/mlock.pl b/scripts/mlock.pl
new file mode 100644
index 00000000..82bea7b0
--- /dev/null
+++ b/scripts/mlock.pl
@@ -0,0 +1,114 @@
+# /MLOCK <channel> <mode> - for Irssi 0.7.29 and above
+#
+# Locks the channel mode to <mode>, if someone else tries to change the mode
+# Irssi will automatically change it back. +k and +l are a bit special since
+# they require the parameter. If you omit the parameter, like setting the
+# mode to "+ntlk", Irssi will allow all +k and +l (or -lk) mode changes.
+
+use Irssi;
+
+sub cmd_mlock {
+	my ($data, $server) = @_;
+	my ($channel, $mode) = split(/ /, $data, 2);
+
+	$keep_channels{$channel} = $mode;
+	mlock_check_mode($server, $channel);
+        return 1;
+}
+
+sub mlock_check_mode {
+        my ($server, $channame) = @_;
+
+	$channel = $server->channel_find($channame);
+	return if (!channel || !$channel->values()->{'chanop'});
+
+        $keep_mode = $keep_channels{$channame};
+	return if (!$keep_mode);
+
+	# old channel mode
+	$oldmode = $channel->get_mode();
+        $oldmode =~ s/^([^ ]*).*/\1/;
+	$oldkey = $channel->values()->{'key'};
+	$oldlimit = $channel->values()->{'limit'};
+
+	# get the new channel key/limit
+	@newmodes = split(/ /, $keep_mode); $keep_mode = $newmodes[0];
+	if ($keep_mode =~ /k/) {
+		if ($keep_mode =~ /k.*l/) {
+                        $newkey = $newmodes[1];
+                        $limit = $newmodes[2];
+		} elsif ($keep_mode =~ /l.*k/) {
+			$limit = $newmodes[1];
+                        $newkey = $newmodes[2];
+		} else {
+                        $newkey = $newmodes[1];
+		}
+	} elsif ($keep_mode =~ /l/) {
+		$limit = $newmodes[1];
+	}
+
+	# check the differences
+	undef %allmodes;
+	$keep_mode =~ s/^\+//;
+	for ($n = 0; $n < length($keep_mode); $n++) {
+		$modechar = substr($keep_mode, $n, 1);
+		$allmodes{$modechar} = '+';
+	}
+
+	for ($n = 0; $n < length($oldmode); $n++) {
+		$modechar = substr($oldmode, $n, 1);
+
+		if ($allmodes{$modechar} eq '+') {
+			next if (($modechar eq "k" && $newkey ne $oldkey) ||
+				 ($modechar eq "l" && $limit != $oldlimit));
+			delete $allmodes{$modechar};
+		} else {
+			$allmodes{$modechar} = '-';
+		}
+	}
+
+	# create the mode change string
+        $modecmd = ""; $extracmd = "";
+	foreach $mode (keys %allmodes) {
+		Irssi::print("key = '$mode':".$allmodes{$mode});
+		if ($mode eq "k") {
+			if ($allmodes{$mode} eq '+') {
+				next if ($newkey eq "");
+				if ($oldkey ne "") {
+					# we need to get rid of old key too
+					$modecmd .= "-k";
+					$extracmd .= " $oldkey";
+				}
+				$extracmd .= " $newkey";
+			} else {
+				$extracmd .= " $oldkey";
+			}
+		}
+		if ($mode eq "l" && $allmodes{$mode} eq '+') {
+			next if ($limit <= 0);
+                        $extracmd .= " $limit";
+		}
+		$modecmd .= $allmodes{$mode}.$mode;
+	}
+
+	if ($modecmd ne "") {
+		$channel->values()->{'server'}->command("/mode $channame $modecmd$extracmd");
+	}
+}
+
+sub mlock_mode_changed {
+	my ($data, $server) = @_;
+	my ($channel, $mode) = split(/ /, $data, 2);
+
+	mlock_check_mode($server, $channel);
+}
+
+sub mlock_synced {
+	my $channel = $_[0];
+
+	mlock_check_mode($channel->values()->{'server'}, $channel->values()->{'name'});
+}
+
+Irssi::command_bind('mlock', '', 'cmd_mlock');
+Irssi::signal_add_last("event mode", "mlock_mode_changed");
+Irssi::signal_add("channel synced", "mlock_synced");
-- 
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