SKRequest+Blocks.m

#import "SKRequest+Blocks.h"
#import <objc/runtime.h>

static char const * const completion_key = "completion";

@implementation SKRequest (Blocks)

- (void)
	request         :(SKRequest *) request
	didFailWithError:(NSError   *) error
{
	SKRequestCompletion completion = (
		objc_getAssociatedObject(
			self,
			completion_key
		)
	);
	completion( request, error );
}

- (void)
	requestDidFinish:(SKRequest *) request
{
	SKRequestCompletion completion = (
		objc_getAssociatedObject(
			self,
			completion_key
		)
	);
	completion( request, nil );
}

- (void)
	startWithCompletion:(SKRequestCompletion) completion 
{
	
	objc_setAssociatedObject(
		self,
		completion_key,
		completion,
		OBJC_ASSOCIATION_RETAIN_NONATOMIC
	);
	
	self.delegate = self;
	
	[self start];
}

@end