Hacky parser to build a CSV from Kallithea diff output

KallitheaDiffParser.m

#import "AppDelegate.h"

#define NSLog(FORMAT, ...) printf("%s\n", [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);

@interface AppDelegate () <NSXMLParserDelegate>

@property (weak) IBOutlet NSWindow *window;
@property (atomic) BOOL insideFile;
@property (strong) NSString *currentFile;
@end

@implementation AppDelegate

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
    NSURL *divURL = [[NSBundle mainBundle] URLForResource:@"Example" withExtension:@"xml"];
    NSXMLParser *divParser = [[NSXMLParser alloc] initWithContentsOfURL:divURL];
    [divParser setDelegate:self];
    [divParser parse];
}

- (void)applicationWillTerminate:(NSNotification *)aNotification {
    // Insert code here to tear down your application
}

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(nullable NSString *)namespaceURI qualifiedName:(nullable NSString *)qName attributes:(NSDictionary<NSString *, NSString *> *)attributeDict {
    if([elementName isEqualToString:@"a"]) {
        self.insideFile = YES;
    }
    else if ([[elementName substringWithRange:NSMakeRange(0, 1)] isEqualToString:@"i"]) {
        NSString *action=nil;
        if([attributeDict[@"class"] isEqualToString:@"icon-diff-M"]) {
            action = @"modified";
        }
        else if([attributeDict[@"class"] isEqualToString:@"icon-diff-A"]) {
            action = @"added";
        }
        else { //if([attributeDict[@"class"] isEqualToString:@"icon-diff-D"])
            action = @"deleted";
        }
        self.currentFile = [NSString stringWithFormat:@"%@,",action];
    }
}


- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(nullable NSString *)namespaceURI qualifiedName:(nullable NSString *)qName {
    if([elementName isEqualToString:@"a"]) {
        self.insideFile = NO;
    }
}

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
    if(self.insideFile) {
        self.currentFile = [NSString stringWithFormat:@"%@%@,",self.currentFile,string];
        NSLog(@"%@",self.currentFile);
    }
}

@end