replacing HTML entities with libxml2's SAX HTML Parser

AppDelegate.m

#import "AppDelegate.h"

#import "ViewController.h"
#import "DTHTMLParser.h"

@interface AppDelegate () <DTHTMLParserDelegate>

@end

@implementation AppDelegate
{
  NSString *_convertedString;
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
	NSString *string = @"Some text &amp; some entities";
	NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
	
	DTHTMLParser *parser = [[DTHTMLParser alloc] initWithData:data encoding:NSUTF8StringEncoding];
	parser.delegate = self;
	
	BOOL b = [parser parse];
	
	NSLog(@"converted %@", _convertedString);

  // ...
}

- (void)parser:(DTHTMLParser *)parser foundCharacters:(NSString *)string
{
	_convertedString = [string copy];
}