で解析された要素を取得し、NSMutableArrayそれらをNSString変数に格納してから、 NSMutableArrayasに格納しNSStringたい (コンテンツを a に表示したいためNSComboBox)。これを試しましたが、うまくいきません。問題を解決できますか?私には解決できません:
//--this is the parsing code : 
- (void)parser:(NSXMLParser *)parser 
didStartElement:(NSString *)elementName 
  namespaceURI:(NSString *)namespaceURI 
 qualifiedName:(NSString *)qualifiedName 
    attributes:(NSDictionary *)attributeDict {
    if ([elementName isEqualToString:@"user"]) {
        NSLog(@"user element found – create a new instance of User class...");
        if(currentElementValue == nil)
            currentElementValue = [NSMutableString string];
        else 
            [currentElementValue setString:@""];
    }
    else {
        currentElementValue = nil;
    }
        user = [[User alloc] init];
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
    if (!currentElementValue) {
        // init the ad hoc string with the value     
        currentElementValue = [[NSMutableString alloc] initWithString:string];
    } else {
        // append value to the ad hoc string    
        [currentElementValue appendString:string];
        if (currentElementValue) 
        {
            currentElementValue = nil;
        }
    }
    NSLog(@"Processing value for : %@", string);
}  
- (void)parser:(NSXMLParser *)parser 
 didEndElement:(NSString *)elementName
  namespaceURI:(NSString *)namespaceURI 
 qualifiedName:(NSString *)qName {
    if ([elementName isEqualToString:@"users"]) {
        // We reached the end of the XML document
        return;
        NSLog(@"QUIT");
    }
    if ([elementName isEqualToString:@"userName"]) {
        [[self user] setUserName:currentElementValue];
        NSLog(@"final step for value: %@", user.userName);
        NSLog(@"currentElementName content : %@", currentElementValue);
        [currentElementValue release];
        NSLog(@"release : %@", currentElementValue);
        currentElementValue = nil;
        NSLog(@"release : %@", currentElementValue);
    }
    if ([elementName isEqualToString:@"firstName"]) {
        [[self user] setFirstName:currentElementValue];
        [currentElementValue release];
        currentElementValue = nil;
    }
    if ([elementName isEqualToString:@"lastName"]) {
        [[self user] setLastName:currentElementValue];
        [currentElementValue release];
        currentElementValue = nil;
    }
    if ([elementName isEqualToString:@"user"]) {
        NSLog(@"\n user=%@ \n",user);
        [users addObject:user];
        NSLog(@"userName test : %@", users);
        [user release];
        user = nil;
    }
}
-(BOOL)parseDocumentWithData:(NSData *)data {
    if (data == nil)
        return NO;
    NSXMLParser *xmlparser = [[NSXMLParser alloc] initWithData:data];
    [xmlparser setDelegate:self];
    [xmlparser setShouldResolveExternalEntities:NO];
    BOOL ok = [xmlparser parse];
    if (ok == NO)
        NSLog(@"error");
    else
        NSLog(@"OK");
    [xmlparser release];
    return ok;
}
// this is the xml file : 
<users>
 <user>
  <userName>mspeller</userName>
  <firstName>Mike</firstName>
  <lastName>Speller</lastName>
 </user>
 <user>
  <userName>mgdan</userName>
  <firstName>Mila</firstName>
  <lastName>Gdan</lastName>
 </user>
</users>
//-------
NSMutableArray *tabletest= [[NSMutableArray alloc] init];
NSMutableString * result = [[NSMutableString alloc] init];
int i;
for(i=0; i < [users count]; i++){
    [result appendString:[NSString stringWithFormat:@"%@",[[users objectAtIndex:i] valueForKey:@"userName"]] ];
    NSLog(@"result==%@",result);
    [tabletest addObject:result];
}