+ # unusual path - perhaps output has been set to an error message
+ return OK if $r->output;
+
+ # normal path - no output has been generated yet
+ return $r->__call_process_view;
+}
+
+# is_applicable() returned false, so set up a plain template. Model processing
+# will be skipped, but need to remove the model anyway so the template can't
+# access it.
+sub __setup_plain_template
+{
+ my ($r) = @_;
+
+ # It's just a plain template
+ $r->model_class(undef);
+
+ my $path = $r->path;
+ $path =~ s{/$}{}; # De-absolutify
+ $r->path($path);
+
+ $r->template($r->path);
+}
+
+# The model has been processed or skipped (if is_applicable returned false),
+# any exceptions have been handled, and there's no content in $r->output
+sub __call_process_view
+{
+ my ($r) = @_;
+
+ my $status;
+
+ eval { $status = $r->view_object->process($r) };
+
+ if ( my $error = $@ )
+ {
+ $status = $r->call_exception($error);