+sub html_oneshot ($$;$) {
+ my ($ctx, $code, $sref) = @_;
+ my $self = bless {
+ ctx => $ctx,
+ base_url => base_url($ctx),
+ }, __PACKAGE__;
+ my @x;
+ my @h = ('Content-Type' => 'text/html; charset=UTF-8');
+ if (my $gz = gzip_maybe($ctx->{env})) {
+ my $err = $gz->deflate(_html_top($self), $x[0]);
+ die "gzip->deflate: $err" if $err != Z_OK;
+ if ($sref) {
+ $err = $gz->deflate($sref, $x[0]);
+ die "gzip->deflate: $err" if $err != Z_OK;
+ }
+ $err = $gz->deflate(_html_end($self), $x[0]);
+ die "gzip->deflate: $err" if $err != Z_OK;
+ $err = $gz->flush($x[0], Z_FINISH);
+ die "gzip->flush: $err" if $err != Z_OK;
+ push @h, qw(Vary Accept-Encoding Content-Encoding gzip);
+ } else {
+ @x = (_html_top($self), $sref ? $$sref : (), _html_end($self));
+ }
+
+ my $len = 0;
+ $len += bytes::length($_) for @x;
+ push @h, 'Content-Length', $len;
+ [ $code, \@h, \@x ]
+}
+