CFType Subclass Creation Boilerplate Code (Dash Snippet)

gistfile1.txt

#pragma mark - !!class!! structure definition

struct __!!class!! {
    CFRuntimeBase _base;

    // More stuff goes here
};

#pragma mark - !!class!! core methods

static void __!!class!!Init(CFTypeRef self) {
    
}

static void __!!class!!Deallocate(CFTypeRef self) {
    // Deallocate stuff
}

#pragma mark - !!class!! runtime methods

static CFTypeID _k!!class!!ID = _kCFRuntimeNotATypeID;

static CFRuntimeClass _k!!class!!Class = {
    .version            = 0,
    .className          = "!!class!!",
    .init               = __!!class!!Init,
    .copy               = NULL,
    .finalize           = __!!class!!Deallocate,
    .equal              = NULL,
    .hash               = NULL,
    .copyFormattingDesc = NULL,
    .copyDebugDesc      = NULL,
};

CFTypeID !!class!!GetTypeID(void) {
    
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _k!!class!!ID = _CFRuntimeRegisterClass((const CFRuntimeClass * const)&_k!!class!!Class);
    });
    
    return _k!!class!!ID;
}

!!class!!Ref !!class!!Create(CFAllocatorRef allocator) {
    uint32_t extra = sizeof(struct __!!class!!) - sizeof(CFRuntimeBase);
    struct __!!class!! *newObject = (struct __!!class!! *)_CFRuntimeCreateInstance(allocator, !!class!!GetTypeID(), extra, NULL);
    
    if (NULL == newObject)
        return NULL;

    return (!!class!!Ref)newObject;
}