ObjFW  Check-in [183825f113]

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				4B6799771099E7C50041064A /* OFObject.h */,
				4B6799781099E7C50041064A /* OFObject.m */,
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				4B67997A1099E7C50041064A /* OFPlugin.m */,
				4B981CDE116F71DD00294DB7 /* OFSeekableStream.h */,

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			);
			runOnlyForDeploymentPostprocessing = 0;
		};
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			isa = PBXSourcesBuildPhase;
			buildActionMask = 2147483647;
			files = (

       OFHTTPRequest.m		\
       OFEnumerator.m		\
       OFList.m			\
       OFMD5Hash.m		\
       OFMutableArray.m		\
       OFMutableDictionary.m	\
       OFMutableString.m	\
       OFNull.m			\
       OFNumber.m		\
       OFObject.m		\
       ${OFPLUGIN_M}		\
       OFSeekableStream.m	\
       OFSerialization.m	\
       OFSHA1Hash.m		\
       OFStream.m		\

		OFXMLElement *child;

		pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		enumerator = [[element
		    elementsForName: @"object"
			  namespace: OF_SERIALIZATION_NS] objectEnumerator];
		pool2 = [[OFAutoreleasePool alloc] init];

	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		OFXMLElement *secondsElement, *microsecondsElement;

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		secondsElement = [element elementForName: @"seconds"
					       namespace: OF_SERIALIZATION_NS];
		microsecondsElement = [element
		    elementForName: @"microseconds"

		OFXMLElement *pair;

		pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		dictionary = [OFMutableDictionary dictionary];
		pairs = [element elementsForName: @"pair"
				       namespace: OF_SERIALIZATION_NS];

		OFXMLElement *child;

		pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		enumerator = [[element
		    elementsForName: @"object"
			  namespace: OF_SERIALIZATION_NS] objectEnumerator];
		pool2 = [[OFAutoreleasePool alloc] init];

/*
 * Copyright (c) 2008, 2009, 2010, 2011
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFSerialization.h"

/**
 * \brief A class for representing null values in collections.
 */
@interface OFNull: OFObject <OFCopying, OFSerialization>
/**
 * \brief Returns an OFNull singleton.
 *
 * \return An OFNull singleton
 */
+ null;
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFNull.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"

#import "OFInvalidArgumentException.h"
#import "OFNotImplementedException.h"

static OFNull *null = nil;

@implementation OFNull
+ null
{
	if (null != nil)
		return null;

	null = [[self alloc] init];

	return null;
}

- initWithSerialization: (OFXMLElement*)element
{
	OFAutoreleasePool *pool;

	[self release];

	pool = [[OFAutoreleasePool alloc] init];

	if (![[element name] isEqual: @"object"] ||
	    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
	    ![[[element attributeForName: @"class"] stringValue]
	    isEqual: [self className]])
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	[pool release];

	return [OFNull null];
}

- (OFString*)description
{
	return @"<null>";
}

- copy
{
	return self;
}

- (OFXMLElement*)XMLElementBySerializing
{
	OFXMLElement *element;

	element = [OFXMLElement elementWithName: @"object"
				      namespace: OF_SERIALIZATION_NS];
	[element addAttributeWithName: @"class"
			  stringValue: [self className]];

	return element;
}

- autorelease
{
	return self;
}

- retain
{
	return self;
}

- (void)release
{
}

- (unsigned int)retainCount
{
	return OF_RETAIN_COUNT_MAX;
}

- (void)dealloc
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
	[super dealloc];	/* Get rid of a stupid warning */
}
@end

	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		OFString *typeString;

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		typeString = [[element attributeForName: @"type"] stringValue];

		if ([typeString isEqual: @"boolean"]) {
			type = OF_NUMBER_BOOL;

{
	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		self = [self initWithString: [element stringValue]];

		[pool release];
	} @catch (id e) {

{
	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		self = [self initWithString: [element stringValue]];

		[pool release];
	} @catch (id e) {

	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		name = [[[element
		    elementForName: @"name"
			 namespace: OF_SERIALIZATION_NS] stringValue] retain];
		ns = [[[element

		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		OFXMLElement *attributesElement, *namespacesElement;
		OFXMLElement *childrenElement;

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [self className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		name = [[[element
		    elementForName: @"name"
			 namespace: OF_SERIALIZATION_NS] stringValue] copy];
		ns = [[[element

#import "OFDataArray.h"
#import "OFArray.h"

#import "OFList.h"

#import "OFDictionary.h"
#import "OFEnumerator.h"

#import "OFNull.h"

#import "OFNumber.h"
#import "OFDate.h"
#import "OFURL.h"

#import "OFStream.h"
#import "OFFile.h"