None of them. According to the memory management rules, you're only responsible for objects you create via an "alloc", "new", or "copy" method, which none of these are. All of these objects are autoreleased.
Dave
On Jan 19, 2010, at 1:50 PM, Philip Vallone wrote:
>
> I am I trying to learn proper memory management and have question: In the
> following example, which objects am I responsible to release?
>
>
> - (void) viewDidLoad{
>
> NSString *tempStr = nil;
> NSString *filepath = [[NSBundle mainBundle] pathForResource:@"filename"
> ofType:@"xml"];
>
> NSData *xmlData = [NSData dataWithContentsOfFile:filepath];
>
> NSMutableString *xqueryStr = [NSMutableString
> stringWithFormat:@"/data/title/@number"];
>
> NSArray *resultNodes = PerformXMLXPathQuery(xmlData, xqueryStr);
>
> NSEnumerator *e = [resultNodes objectEnumerator];
>
> id object;
>
> while (object = [e nextObject]) {
>
> for (NSString *key in object){
>
> tempStr = [[object objectForKey:key]
> stringByTrimmingCharactersInSet:[NSCharacterSet
> whitespaceAndNewlineCharacterSet]];
>
> if ([tempStr isEqualToString:@"number"] ) {
>
> }else {
>
> // do something here
>
> }
> }
>
> }
>
> }
>
> Thanks,
>
> Phil
>
>
>
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