On Jun 1, 2011, at 13:26, Motti Shneor wrote:
> - (NSMutableDictionary *)attributesAsDictionary {
> NSMutableDictionary *attributesDictionary = [NSMutableDictionary
> dictionaryWithCapacity:[self.entity.attributesByName count]];
> for (NSAttributeDescription* attribute in self.entity.attributesByName
> ) {
> NSString *attribName = [attribute name];
> id attribValue = [self valueForKey:attribName];
> if (attribName && attribValue)
> [attributesDictionary setObject:attribValue
> forKey:attribName];
> }
> return attributesDictionary;
> }
>
> Running this for a nice entity that I just Saved (validated) and Fetched
> again --- the method crashes horribly on the NSString *attribName =
> [attribute name];
>
> If I step inside with the debugger, I see things I can't understand. I get
> into the loop, and for the first attribute ---
> 1. Debugger claims attribute type is CFStringRef * instead of
> NSAttributeDescription*
You have to read the documentation. 'attributesByName' returns a dictionary,
and enumerating a dictionary with 'for (... in ...)' enumerates the dictionary
keys, which are indeed strings in this case.
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