On Fri, 30 Sep 2005 10:22:24, George Warner <email@hidden> wrote:
> On Fri, 30 Sep 2005 16:12:06 +0530, "Ayyapu Reddy Pallam"
> <email@hidden> wrote:
>> I have list of indices of values of CFMutableArray. If i try to remove the
>> values from the array looping throgh the indices array using
>> CFArrayRemoveValueAtIndex() indices may not be valid after the first
>> removal(it
>> decrements indices). So do we have some function like CFArrayRemoveObject()
>> or
>> CFArrayRemoveValue() where i can pass the value to be removed from the
>> CFArray.
>> Or any other way of removing by value from CFMutableArray.
>
> If you loop backwards then you won't be trying to remove the wrong indices:
>
> CFIndex idx;
> for (idx = CFArrayGetCount(tCFMutableArrayRef); idx > 0; idx--) {
> CFStringRef myValue = (CFStringRef)
> CFArrayGetValueAtIndex(tCFMutableArrayRef, idx);
> if (kCFCompareEqualTo ==
> CFStringCompare(myValue, CFSTR("FooBar"), 0))
> {
> CFArrayRemoveValueAtIndex(tCFMutableArrayRef, idx);
> }
> }
Index for CFArray APIs is 0 based.
Or just adjust index appropriately when deleting:
index = 0;
while (index != count) {
val = CFArrayGetValueAtIndex(index);
if (val == need to be deleted) CFArrayRemoveValueAtIndex(index);
else index++;
}
Mike
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