ObjFW  Diff

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

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

	_items = [self allocMemoryWithSize: itemSize
				     count: capacity];

	_itemSize = itemSize;
	_capacity = capacity;

	return self;
}

- initWithContentsOfFile: (OFString*)path
{
	@try {
		OFFile *file = [[OFFile alloc] initWithPath: path
						       mode: @"rb"];
		off_t size = [OFFile sizeOfFileAtPath: path];

		if (size > SIZE_MAX)
			@throw [OFOutOfRangeException
			    exceptionWithClass: [self class]];

		self = [self initWithItemSize: 1
				     capacity: (size_t)size];

		@try {
			size_t pageSize = [OFSystemInfo pageSize];
			char *buffer = [self allocMemoryWithSize: pageSize];

	client = [OFHTTPClient client];
	request = [OFHTTPRequest requestWithURL: URL];
	reply = [client performRequest: request];

	if ([reply statusCode] != 200)
		@throw [OFHTTPRequestFailedException
		    exceptionWithClass: [request class]
			       request: request
				 reply: reply];

	/*
	 * TODO: This can be optimized by allocating a data array with the
	 * capacity from the Content-Length header.
	 */
	self = [[reply readDataArrayTillEndOfStream] retain];

	headers = [reply headers];
	if ((contentLength = [headers objectForKey: @"Content-Length"]) != nil)
		if ([self count] != (size_t)[contentLength decimalValue])
			@throw [OFTruncatedDataException
			    exceptionWithClass: [self class]];
#else
	@throw [OFUnsupportedProtocolException exceptionWithClass: c];
#endif

	objc_autoreleasePoolPop(pool);

	return self;
}

- initWithStringRepresentation: (OFString*)string
{
	self = [super init];

	@try {
		const char *cString;
		size_t i;

		_itemSize = 1;
		_count = [string
		    cStringLengthWithEncoding: OF_STRING_ENCODING_ASCII];

		if (_count % 2 != 0)
			@throw [OFInvalidFormatException
			    exceptionWithClass: [self class]];

		_count /= 2;
		cString = [string
		    cStringWithEncoding: OF_STRING_ENCODING_ASCII];
		_items = [self allocMemoryWithSize: _count];

		for (i = 0; i < _count; i++) {
			uint8_t c1 = cString[2 * i];
			uint8_t c2 = cString[2 * i + 1];
			uint8_t byte;

			if (c1 >= '0' && c1 <= '9')
				byte = (c1 - '0') << 4;
			else if (c1 >= 'a' && c1 <= 'f')
				byte = (c1 - 'a' + 10) << 4;
			else if (c1 >= 'A' && c1 <= 'F')
				byte = (c1 - 'A' + 10) << 4;
			else
				@throw [OFInvalidFormatException
				    exceptionWithClass: [self class]];

			if (c2 >= '0' && c2 <= '9')
				byte |= c2 - '0';
			else if (c2 >= 'a' && c2 <= 'f')
				byte |= c2 - 'a' + 10;
			else if (c2 >= 'A' && c2 <= 'F')
				byte |= c2 - 'A' + 10;
			else
				@throw [OFInvalidFormatException
				    exceptionWithClass: [self class]];

			_items[i] = byte;
		}
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithBase64EncodedString: (OFString*)string
{
	self = [self initWithItemSize: 1
			     capacity: [string length] / 3];

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

	return self;
}

- initWithSerialization: (OFXMLElement*)element
{
	@try {
		void *pool = objc_autoreleasePoolPush();
		OFString *stringValue;

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

		stringValue = [element stringValue];

		self = [self initWithBase64EncodedString: stringValue];

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {

{
	return _items;
}

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

	return _items + index * _itemSize;
}

- (void*)firstItem
{
	if (_items == NULL || _count == 0)

	return _items + (_count - 1) * _itemSize;
}

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

	if (_count + 1 > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + 1];
		_capacity = _count + 1;
	}

		    count: 1];
}

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

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_capacity = _count + count;
	}

	memcpy(_items + _count * _itemSize, items, count * _itemSize);
	_count += count;
}

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

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_capacity = _count + count;
	}

	[self removeItemsInRange: of_range(index, 1)];
}

- (void)removeItemsInRange: (of_range_t)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	memmove(_items + range.location * _itemSize,
	    _items + (range.location + range.length) * _itemSize,
	    (_count - range.location - range.length) * _itemSize);

	_count -= range.length;
	@try {

- (of_comparison_result_t)compare: (id <OFComparing>)object
{
	OFDataArray *dataArray;
	int comparison;
	size_t count, minCount;

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

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

	count = [dataArray count];
	minCount = (_count > count ? count : _count);

	if ((comparison = memcmp(_items, [dataArray items],
	    minCount * _itemSize)) == 0) {
		if (_count > count)

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

	if (_itemSize != 1)
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]];

	pool = objc_autoreleasePoolPush();
	element = [OFXMLElement
	    elementWithName: [self className]
		  namespace: OF_SERIALIZATION_NS
		stringValue: of_base64_encode(_items, _count * _itemSize)];

	[element retain];

	objc_autoreleasePoolPop(pool);

	return [element autorelease];
}

- (OFDataArray*)messagePackRepresentation
{
	OFDataArray *data;

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

	if (_count <= UINT8_MAX) {
		uint8_t type = 0xC4;
		uint8_t tmp = (uint8_t)_count;

		data = [OFDataArray dataArrayWithItemSize: 1
						 capacity: _count + 2];

		data = [OFDataArray dataArrayWithItemSize: 1
						 capacity: _count + 5];

		[data addItem: &type];
		[data addItems: &tmp
			 count: sizeof(tmp)];
	} else
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	[data addItems: _items
		 count: _count];

	return data;
}
@end

}

- (void)addItem: (const void*)item
{
	size_t size, lastPageByte;

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

	lastPageByte = [OFSystemInfo pageSize] - 1;
	size = ((_count + 1) * _itemSize + lastPageByte) & ~lastPageByte;

	if (size > _capacity) {
		_items = [self resizeMemory: _items
				       size: size];

- (void)addItems: (const void*)items
	   count: (size_t)count
{
	size_t size, lastPageByte;

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

	lastPageByte = [OFSystemInfo pageSize] - 1;
	size = ((_count + count) * _itemSize + lastPageByte) & ~lastPageByte;

	if (size > _capacity) {
		_items = [self resizeMemory: _items
				       size: size];

	    atIndex: (size_t)index
	      count: (size_t)count
{
	size_t size, lastPageByte;

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

	lastPageByte = [OFSystemInfo pageSize] - 1;
	size = ((_count + count) * _itemSize + lastPageByte) & ~lastPageByte;

	if (size > _capacity) {
		_items = [self resizeMemory: _items
				       size: size];

- (void)removeItemsInRange: (of_range_t)range
{
	size_t pageSize, size;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	memmove(_items + range.location * _itemSize,
	    _items + (range.location + range.length) * _itemSize,
	    (_count - range.location - range.length) * _itemSize);

	_count -= range.length;
	pageSize = [OFSystemInfo pageSize];