Index: Source/core/css/SelectorChecker.cpp |
diff --git a/Source/core/css/SelectorChecker.cpp b/Source/core/css/SelectorChecker.cpp |
index fbdace1458721db258e347f61ef982408e6190ca..aa0a7f07436cc63b52f95a02a41a3823b0ba2d82 100644 |
--- a/Source/core/css/SelectorChecker.cpp |
+++ b/Source/core/css/SelectorChecker.cpp |
@@ -497,7 +497,8 @@ bool SelectorChecker::checkOne(const SelectorCheckingContext& context, const Sib |
if (!selector->parseNth()) |
break; |
if (Element* parentElement = element->parentElement()) { |
- int count = 1 + siblingTraversalStrategy.countElementsBefore(element); |
+ // FIXME: We should always have the index passed in to avoid needing countElementsBefore. |
+ int count = context.childIndex ? context.childIndex : 1 + siblingTraversalStrategy.countElementsBefore(element); |
if (m_mode == ResolvingStyle) { |
RenderStyle* childStyle = context.elementStyle ? context.elementStyle : element->renderStyle(); |
element->setChildIndex(count); |
@@ -530,7 +531,8 @@ bool SelectorChecker::checkOne(const SelectorCheckingContext& context, const Sib |
parentElement->setChildrenAffectedByBackwardPositionalRules(); |
if (!parentElement->isFinishedParsingChildren()) |
return false; |
- int count = 1 + siblingTraversalStrategy.countElementsAfter(element); |
+ // FIXME: We should always have the index passed in to avoid needing countElementsAfter. |
+ int count = context.childIndex ? context.childIndex : 1 + siblingTraversalStrategy.countElementsAfter(element); |
if (selector->matchNth(count)) |
return true; |
} |