/**
 * Copyright: Copyright (c) 2009 Jacob Carlborg.
 * Authors: Jacob Carlborg
 * Version: Initial created: Aug 3, 2009 
 * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
 */
module dstep.foundation.NSNull;

import dstep.foundation.NSObject;
import dstep.objc.bridge.Bridge;
import dstep.objc.objc : id;

class NSNull : NSObject, INSCopying, INSCoding
{
	mixin ObjcWrap;

	static NSNull null_ ()
	{
		return invokeObjcSelfClass!(NSNull, "null");
	}

	Object copyWithZone (NSZone* zone)
	{
		return invokeObjcSelf!(Object, "copyWithZone:", NSZone*)(zone);
	}

	void encodeWithCoder (NSCoder aCoder)
	{
		return invokeObjcSelf!(void, "encodeWithCoder:", NSCoder)(aCoder);
	}

	Object initWithCoder (NSCoder aDecoder)
	{
		return invokeObjcSelf!(Object, "initWithCoder:", NSCoder)(aDecoder);
	}

	this (NSCoder aDecoder)
	{
		objcObject = Bridge.invokeObjcClassMethod!(id, "alloc")(objcClass);
		id result = Bridge.invokeObjcMethod!(id, "initWithCoder:", NSCoder)(objcObject, aDecoder);

		if (result)
			objcObject = ret;

		dObject = this;
	}
}