[dw-free] Calling start_css twice in a row (without a end_css in between) prevents any future output

[afuna]

[commit: http://hg.dwscoalition.org/dw-free/rev/c11532760062]

http://bugs.dwscoalition.org/show_bug.cgi?id=690

Handle nested calls to start_css

Patch by exor674.

Files modified:

• cgi-bin/LJ/S2.pm

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diff -r 4a7bcaa21555 -r c11532760062 cgi-bin/LJ/S2.pm
--- a/cgi-bin/LJ/S2.pm	Wed Apr 08 12:06:22 2009 +0000
+++ b/cgi-bin/LJ/S2.pm	Wed Apr 08 15:17:51 2009 +0000
@@ -2293,6 +2293,10 @@ sub start_css {
 sub start_css {
     my ($ctx) = @_;
     my $sc = $ctx->[S2::SCRATCH];
+
+    # Always increment, but only continue if it was 0
+    return if $sc->{_css_depth}++;
+
     $sc->{_start_css_pout}   = S2::get_output();
     $sc->{_start_css_pout_s} = S2::get_output_safe();
     $sc->{_start_css_buffer} = "";
@@ -2306,6 +2310,9 @@ sub end_css {
 sub end_css {
     my ($ctx) = @_;
     my $sc = $ctx->[S2::SCRATCH];
+
+    # Only decrement _css_depth if it is non-zero, only continue if it becomes zero
+    return unless $sc->{_css_depth} && (--$sc->{_css_depth} == 0);
 
     # restore our printer/safe printer
     S2::set_output($sc->{_start_css_pout});
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