Aus Macwrench
Rekursiv ein Dictionary durchwandern
- (void)recurse:(NSDictionary *)dict counter: (int*) i parent:(NSString *) parent{
for (NSString* key in [dict allKeys]) {
id value = [dict objectForKey:key];
NSLog(@"%@ -> %@", parent, key);
if ([value isKindOfClass:[NSMutableDictionary class]]) {
i++;
NSDictionary* newDict = (NSDictionary*)value;
[self recurse:newDict counter:i parent:[parent stringByAppendingFormat:@" -> %@",key]];
i--;
} else {
// do something with this entry ...
}
}
}
NSDictionary aus NSData auslesen
NSString *errorStr = nil;
NSPropertyListFormat format;
NSDictionary *myDictionary = [NSPropertyListSerialization propertyListFromData:myData mutabilityOption:NSPropertyListImmutable format:&format errorDescription:&errorStr];
NSError *error = nil;
if (errorStr != nil) {
error = [NSError errorWithDomain:@"NSPropertyListReadError" code:unimpErr userInfo:nil];
}
NSDictionary in NSData schreiben
NSData *myData = nil;
NSString *errorStr = nil;
myData = [NSPropertyListSerialization dataFromPropertyList:[saveProxy dictionary] format:NSPropertyListXMLFormat_v1_0 errorDescription:&errorStr];
if (errorStr != nil) {
*outError = [NSError errorWithDomain:@"NSPropertyListReadError" code:unimpErr userInfo:nil];
}
Siehe auch
