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Merge pull request #1111 from yury/fix-_linkAttributeValueAtPoint-crash

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[ASTextNode] Fix out-of-bounds error when truncation string is longer than the original string.
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appleguy
2016-01-25 17:58:07 -08:00
parent 1dd6cef58b f2012df3af
commit d70a9551de
1 changed files with 2 additions and 1 deletions
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3
AsyncDisplayKit/ASTextNode.mm
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@@ -479,6 +479,7 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
ASTextKitRenderer *renderer = [self _renderer];
NSRange visibleRange = renderer.visibleRanges[0];
NSAttributedString *attributedString = _attributedString;
NSRange clampedRange = NSIntersectionRange(visibleRange, NSMakeRange(0, attributedString.length));
// Check in a 9-point region around the actual touch point so we make sure
// we get the best attribute for the touch.
@@ -519,7 +520,7 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
for (NSString *attributeName in _linkAttributeNames) {
NSRange range;
id value = [attributedString attribute:attributeName atIndex:characterIndex longestEffectiveRange:&range inRange:visibleRange];
id value = [attributedString attribute:attributeName atIndex:characterIndex longestEffectiveRange:&range inRange:clampedRange];
NSString *name = attributeName;
if (value == nil || name == nil) {