Tapping in fucking CoreText

gistfile1.txt

// A small chunk of it.

- (void)tapGestureAction:(UITapGestureRecognizer *)gesture
{
        CGPoint location = [gesture locationInView:self];
	_linkLocation = location;
        location.y += (ARTICLE_BODY_FONT_SIZE / lineHeightFactor);
	
	CFArrayRef lines = CTFrameGetLines(_frame);
	
	CGPoint origins[CFArrayGetCount(lines)];
	CTFrameGetLineOrigins(_frame, CFRangeMake(0, 0), origins);
	
	CTLineRef line = NULL;
	CGPoint lineOrigin = CGPointZero;
	for (int i= 0; i < CFArrayGetCount(lines); i++)
	{
		CGPoint origin = origins[i];
		CGPathRef path = CTFrameGetPath(_frame);
		CGRect rect = CGPathGetBoundingBox(path);
		
		CGFloat y = rect.origin.y + rect.size.height - origin.y;
        
		if ((location.y >= y) && (location.x >= origin.x))
		{
			line = CFArrayGetValueAtIndex(lines, i);
			lineOrigin = origin;
		}
	}
	
	location.x -= lineOrigin.x;
	CFIndex index = CTLineGetStringIndexForPosition(line, location);
	
	for (BJLinkObject *link in _links)
	{
		if (((index >= [link range].location) && (index <= ([link range].length + [link range].location))))
                     NSLog(@"LINK: %@", [self.aHrefDictionary objectForKey:link.string]);
	}
}