Index: Source/core/css/SelectorChecker.cpp |
diff --git a/Source/core/css/SelectorChecker.cpp b/Source/core/css/SelectorChecker.cpp |
index 56757a90ad5391a2e5d7bfb5844503c175f841fa..7be8547cac4798f2bd1be4959d4028f6ef9b3fbf 100644 |
--- a/Source/core/css/SelectorChecker.cpp |
+++ b/Source/core/css/SelectorChecker.cpp |
@@ -495,7 +495,8 @@ 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); |
@@ -528,7 +529,8 @@ 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; |
} |