ObjFW  Diff

}

- initWithItemSize: (size_t)itemSize_
{
	self = [super init];

	if (itemSize_ == 0) {
		Class c = [self class];
		[self release];
		@throw [OFInvalidArgumentException exceptionWithClass: c
							     selector: _cmd];
	}

	itemSize = itemSize_;

- initWithContentsOfURL: (OFURL*)URL
{
	OFAutoreleasePool *pool;
	OFHTTPRequest *request;
	OFHTTPRequestResult *result;
	Class c;

	c = [self class];
	[self release];

	pool = [[OFAutoreleasePool alloc] init];

	if ([[URL scheme] isEqual: @"file"]) {
		self = [[c alloc] initWithContentsOfFile: [URL path]];
		[pool release];

	self = [super init];

	itemSize = 1;

	if (!of_base64_decode(self,
	    [string cStringWithEncoding: OF_STRING_ENCODING_ASCII],
	    [string cStringLengthWithEncoding: OF_STRING_ENCODING_ASCII])) {
		Class c = [self class];
		[self release];
		@throw [OFInvalidEncodingException exceptionWithClass: c];
	}

	return self;
}

- initWithSerialization: (OFXMLElement*)element
{
	self = [super init];

	itemSize = 1;

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

		if (![[element name] isEqual: [self className]] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS])
			@throw [OFInvalidArgumentException
			    exceptionWithClass: [self class]
				      selector: _cmd];

		stringValue = [element stringValue];

		if (!of_base64_decode(self,
		    [stringValue cStringWithEncoding: OF_STRING_ENCODING_ASCII],
		    [stringValue cStringLengthWithEncoding:
		    OF_STRING_ENCODING_ASCII]))
			@throw [OFInvalidEncodingException
			    exceptionWithClass: [self class]];

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

{
	return data;
}

- (void*)itemAtIndex: (size_t)index
{
	if (index >= count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	return data + index * itemSize;
}

- (void*)firstItem
{
	if (data == NULL || count == 0)

	return data + (count - 1) * itemSize;
}

- (void)addItem: (const void*)item
{
	if (SIZE_MAX - count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	data = [self resizeMemory: data
			     size: itemSize
			    count: count + 1];

	memcpy(data + count * itemSize, item, itemSize);

			      count: 1];
}

- (void)addItemsFromCArray: (const void*)cArray
		     count: (size_t)nItems
{
	if (nItems > SIZE_MAX - count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	data = [self resizeMemory: data
			     size: itemSize
			    count: count + nItems];

	memcpy(data + count * itemSize, cArray, nItems * itemSize);
	count += nItems;
}

- (void)insertItemsFromCArray: (const void*)cArray
		      atIndex: (size_t)index
			count: (size_t)nItems
{
	if (nItems > SIZE_MAX - count || index > count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	data = [self resizeMemory: data
			     size: itemSize
			    count: count + nItems];

	memmove(data + (index + nItems) * itemSize, data + index * itemSize,
	    (count - index) * itemSize);
	memcpy(data + index * itemSize, cArray, nItems * itemSize);

	count += nItems;
}

- (void)removeItemAtIndex: (size_t)index
{
	[self removeItemsInRange: of_range(index, 1)];
}

- (void)removeItemsInRange: (of_range_t)range
{
	if (range.start + range.length > count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	memmove(data + range.start * itemSize,
	    data + (range.start + range.length) * itemSize,
	    (count - range.start - range.length) * itemSize);

	count -= range.length;
	@try {
		data = [self resizeMemory: data
				     size: itemSize
				    count: count];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
	}
}

- (void)removeLastItem
{
	if (count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	count--;
	@try {
		data = [self resizeMemory: data
				     size: itemSize
				    count: count];
	} @catch (OFOutOfMemoryException *e) {

	data = NULL;
	count = 0;
}

- copy
{
	OFDataArray *copy = [[[self class] alloc] initWithItemSize: itemSize];

	[copy addItemsFromCArray: data
			   count: count];

	return copy;
}

- (of_comparison_result_t)compare: (id)object
{
	OFDataArray *otherDataArray;
	int comparison;
	size_t otherCount, minimumCount;

	if (![object isKindOfClass: [OFDataArray class]])
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];
	otherDataArray = object;

	if ([otherDataArray itemSize] != itemSize)
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	otherCount = [otherDataArray count];
	minimumCount = (count > otherCount ? otherCount : count);

	if ((comparison = memcmp(data, [otherDataArray cArray],
	    minimumCount * itemSize)) == 0) {
		if (count > otherCount)

- (OFXMLElement*)XMLElementBySerializing
{
	OFAutoreleasePool *pool;
	OFXMLElement *element;

	if (itemSize != 1)
		@throw [OFNotImplementedException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	pool = [[OFAutoreleasePool alloc] init];
	element = [OFXMLElement
	    elementWithName: [self className]
		  namespace: OF_SERIALIZATION_NS
		stringValue: of_base64_encode(data, count * itemSize)];

@implementation OFBigDataArray
- (void)addItem: (const void*)item
{
	size_t newSize, lastPageByte;

	if (SIZE_MAX - count < 1 || count + 1 > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + 1) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				     size: newSize];

	memcpy(data + count * itemSize, item, itemSize);

	count++;
	size = newSize;
}

- (void)addItemsFromCArray: (const void*)cArray
		     count: (size_t)nItems
{
	size_t newSize, lastPageByte;

	if (nItems > SIZE_MAX - count || count + nItems > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + nItems) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				     size: newSize];

		      atIndex: (size_t)index
			count: (size_t)nItems
{
	size_t newSize, lastPageByte;

	if (nItems > SIZE_MAX - count || index > count ||
	    count + nItems > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + nItems) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				     size: newSize];

}

- (void)removeItemsInRange: (of_range_t)range
{
	size_t newSize, lastPageByte;

	if (range.start + range.length > count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	memmove(data + range.start * itemSize,
	    data + (range.start + range.length) * itemSize,
	    (count - range.start - range.length) * itemSize);

	count -= range.length;
	lastPageByte = of_pagesize - 1;
	newSize = (count * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				     size: newSize];
	size = newSize;
}

- (void)removeLastItem
{
	size_t newSize, lastPageByte;

	if (count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	count--;
	lastPageByte = of_pagesize - 1;
	newSize = (count * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize) {
		@try {