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Fixed infinite loop in workaroundUITextInputTraitsPropertiesBug #71

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Fixed infinite loop in workaroundUITextInputTraitsPropertiesBug #71

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8eeb274
Fixed infinite loop in workaroundUITextInputTraitsPropertiesBug
Feb 13, 2014
f93c276
Update workaroundUITextInputTraitsPropertiesBug
oxling Feb 13, 2014
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30 changes: 20 additions & 10 deletions DCIntrospect/DCIntrospect.m
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Original file line number Diff line number Diff line change
Expand Up @@ -147,17 +147,27 @@ + (void)workaroundUITextInputTraitsPropertiesBug
for (unsigned int i = 0; i < count; i++)
{
Class class = classes[i];
if (class_getInstanceMethod(class, NSSelectorFromString(@"textInputTraits")))
{
if (class_getInstanceMethod(class, NSSelectorFromString(@"textInputTraits"))) {
IMP originalValueForKey = class_replaceMethod(class, @selector(valueForKey:), (IMP)UITextInputTraits_valueForKey, valueForKeyTypeEncoding);
if (!originalValueForKey)
originalValueForKey = (IMP)[objc_getAssociatedObject([class superclass], originalValueForKeyIMPKey) pointerValue];
if (!originalValueForKey)
originalValueForKey = class_getMethodImplementation([class superclass], @selector(valueForKey:));

objc_setAssociatedObject(class, originalValueForKeyIMPKey, [NSValue valueWithPointer:(void *)originalValueForKey], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
}
Class superclass = [class superclass];

if (!originalValueForKey)
originalValueForKey = (IMP)[objc_getAssociatedObject(superclass, originalValueForKeyIMPKey) pointerValue];
if (!originalValueForKey)
originalValueForKey = class_getMethodImplementation(superclass, @selector(valueForKey:));

while (originalValueForKey == (IMP)UITextInputTraits_valueForKey) {
superclass = [superclass superclass];
if (!superclass) {
originalValueForKey = method_getImplementation(valueForKey);
break;
}
originalValueForKey = class_getMethodImplementation(superclass, @selector(valueForKey:));
}

objc_setAssociatedObject(class, originalValueForKeyIMPKey, [NSValue valueWithPointer:(void *)originalValueForKey], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
}
free(classes);
}

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