From 773ff4ce454e946bab1689fc0024066632b410da Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Sun, 5 Oct 2014 01:28:19 +0200
Subject: [PATCH] Support for parsing multiple CSS node tests.

---
 lib/oga/css/parser.y | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/lib/oga/css/parser.y b/lib/oga/css/parser.y
index a663097..29a40cf 100644
--- a/lib/oga/css/parser.y
+++ b/lib/oga/css/parser.y
@@ -7,19 +7,28 @@ options no_result_var
 
 rule
   css
-    : selectors  { val[0] }
+    : expression { val[0] }
     | /* none */ { nil }
     ;
 
-  selectors
-    : selectors selector { val[0] << val[1] }
-    | selector           { val[0] }
+  expression
+    : path
+    | node_test
     ;
 
-  selector
+  path_member
     : node_test
     ;
 
+  path_members
+    : path_member path_member  { [val[0], val[1]] }
+    | path_member path_members { [val[0], *val[1]] }
+    ;
+
+  path
+    : path_members { s(:path, *val[0]) }
+    ;
+
   node_test
     : node_name { s(:test, *val[0]) }
     ;