Parsing data with NSXML in iOS - ios

Question

I'm trying to parse data from a Wordpress RSS feed using NSXMLR. My problem is exporting my parsed data. So far I have,
- (void) parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{
currentElement = [elementName copy];
if ([elementName isEqualToString:#"item"]){
currentTitle = [[NSMutableString alloc] init];
item = [[NSMutableDictionary alloc] init];
}
}
this class
- (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{
if ([elementName isEqualToString:#"item"]){
[item setObject:currentTitle forKey:#"title"];
}
[stories addObject:item];
}
- (void) parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
if ([currentElement isEqualToString:#"title"]){
[currentTitle appendString:string];
}
}
NSMutableArray *stories;
NSMutableDictionary *item;
So in ViewDidLoad implementation, I have
//declare the object of allocated variable
NSData *xmlData=[[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:#"URL"]];// URL that given to parse.
//allocate memory for parser as well as
xmlParserObject =[[NSXMLParser alloc]initWithData:xmlData];
[xmlParserObject setDelegate:self];
//asking the xmlparser object to beggin with its parsing
[xmlParserObject parse];
NSLog(#"%#", [item objectForKey:#"title"]);
My problem is that I only print one object, I have multiples elements. How can I make it scan every single one of them and print them all.
Thanks in advance.

Answer 1

If I understand your code correctly, item holds the currently parsed item,
and the array stories holds all items.
So you have to allocate the stories array first:
stories = [[NSMutableArray alloc] init];
Then you do the parsing (but you should add an error check):
NSData *xmlData=[[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:#"URL"]];
xmlParserObject =[[NSXMLParser alloc]initWithData:xmlData];
[xmlParserObject setDelegate:self];
if (![xmlParserObject parse]) {
// Parsing failed, report error...
}
And finally print the contents of the array:
for (NSDictionary *story in stories) {
NSLog(#"%#", [story objectForKey:#"title"]);
}
The didEndElement method probably should look like this:
- (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{
if ([elementName isEqualToString:#"item"]){
[item setObject:currentTitle forKey:#"title"];
[stories addObject:item]; // <-- MOVED INTO THE IF-BLOCK
}
}