--- cf.schmorp.de/server/lib/cf.pm	2006/03/31 22:47:35	1.14
+++ cf.schmorp.de/server/lib/cf.pm	2006/06/11 15:02:16	1.15
@@ -67,6 +67,7 @@
 my @exts;
 my @hook;
 my %command;
+my %extcmd;
 
 sub inject_event {
    my $extension = shift;
@@ -174,6 +175,20 @@
       }
    }
 
+   # remove extcmds
+   for my $name (keys %command) {
+      my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
+
+      if (@cb) {
+         $command{$name} = \@cb;
+         $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
+      } else {
+         delete $command{$name};
+         delete $COMMAND{"$name\000"};
+      }
+   }
+
+
    Symbol::delete_package $pkg;
 }
 
@@ -216,6 +231,20 @@
 };
 
 #############################################################################
+# extcmd framework, basically convert ext <id> <pkg> arg1 args
+# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
+
+sub on_extcmd {
+   my ($pl, $buf) = @_;
+
+   my ($id, $pkg, $name, $data) = split / /, $buf, 4;
+
+   if (my $method = "cf::ext::$pkg"->can ("on_extcmd_$name")) {
+      $method->($pl, $id, $buf);
+   }
+}
+
+#############################################################################
 # load/save/clean perl data associated with a map
 
 *on_mapclean = sub {