ObjFW  Diff

Annotate Patch Side-by-side Diff

Differences From Artifact [a40561e369]:

To Artifact [6412c1538f]:

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- (instancetype)of_initWithStream: (OFStream *)stream
			    entry: (OFTarArchiveEntry *)entry;
@end

@implementation OFTarArchive: OFObject
@synthesize encoding = _encoding;

+ (instancetype)archiveWithStream: (OFStream *)stream
+ (instancetype)archiveWithStream: (OFStream *)stream mode: (OFString *)mode
			     mode: (OFString *)mode
{
	return [[[self alloc] initWithStream: stream
	return [[[self alloc] initWithStream: stream mode: mode] autorelease];
					mode: mode] autorelease];
}

#ifdef OF_HAVE_FILES
+ (instancetype)archiveWithPath: (OFString *)path
+ (instancetype)archiveWithPath: (OFString *)path mode: (OFString *)mode
			   mode: (OFString *)mode
{
	return [[[self alloc] initWithPath: path
	return [[[self alloc] initWithPath: path mode: mode] autorelease];
				      mode: mode] autorelease];
}
#endif

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithStream: (OFStream *)stream
- (instancetype)initWithStream: (OFStream *)stream mode: (OFString *)mode
			  mode: (OFString *)mode
{
	self = [super init];

	@try {
		_stream = [stream retain];

		if ([mode isEqual: @"r"])
			_mode = OF_TAR_ARCHIVE_MODE_READ;
			_mode = OFTarArchiveModeRead;
		else if ([mode isEqual: @"w"])
			_mode = OF_TAR_ARCHIVE_MODE_WRITE;
			_mode = OFTarArchiveModeWrite;
		else if ([mode isEqual: @"a"])
			_mode = OF_TAR_ARCHIVE_MODE_APPEND;
			_mode = OFTarArchiveModeAppend;
		else
			@throw [OFInvalidArgumentException exception];

		if (_mode == OF_TAR_ARCHIVE_MODE_APPEND) {
		if (_mode == OFTarArchiveModeAppend) {
			uint32_t buffer[1024 / sizeof(uint32_t)];
			bool empty = true;

			if (![_stream isKindOfClass: [OFSeekableStream class]])
				@throw [OFInvalidArgumentException exception];

			[(OFSeekableStream *)_stream seekToOffset: -1024
							   whence: SEEK_END];
			[_stream readIntoBuffer: buffer
			[_stream readIntoBuffer: buffer exactLength: 1024];
				    exactLength: 1024];

			for (size_t i = 0; i < 1024 / sizeof(uint32_t); i++)
				if (buffer[i] != 0)
					empty = false;

			if (!empty)
				@throw [OFInvalidFormatException exception];

			[(OFSeekableStream *)stream seekToOffset: -1024
							  whence: SEEK_END];
		}

		_encoding = OF_STRING_ENCODING_UTF_8;
		_encoding = OFStringEncodingUTF8;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

#ifdef OF_HAVE_FILES
- (instancetype)initWithPath: (OFString *)path
- (instancetype)initWithPath: (OFString *)path mode: (OFString *)mode
			mode: (OFString *)mode
{
	OFFile *file;

	if ([mode isEqual: @"a"])
		file = [[OFFile alloc] initWithPath: path
		file = [[OFFile alloc] initWithPath: path mode: @"r+"];
					       mode: @"r+"];
	else
		file = [[OFFile alloc] initWithPath: path
		file = [[OFFile alloc] initWithPath: path mode: mode];
					       mode: mode];

	@try {
		self = [self initWithStream: file
		self = [self initWithStream: file mode: mode];
				       mode: mode];
	} @finally {
		[file release];
	}

	return self;
}
#endif
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- (OFTarArchiveEntry *)nextEntry
{
	OFTarArchiveEntry *entry;
	uint32_t buffer[512 / sizeof(uint32_t)];
	bool empty = true;

	if (_mode != OF_TAR_ARCHIVE_MODE_READ)
	if (_mode != OFTarArchiveModeRead)
		@throw [OFInvalidArgumentException exception];

	[(OFTarArchiveFileReadStream *)_lastReturnedStream of_skip];
	@try {
		[_lastReturnedStream close];
	} @catch (OFNotOpenException *e) {
		/* Might have already been closed by the user - that's fine. */
	}
	[_lastReturnedStream release];
	_lastReturnedStream = nil;

	if (_stream.atEndOfStream)
		return nil;

	[_stream readIntoBuffer: buffer
	[_stream readIntoBuffer: buffer exactLength: 512];
		    exactLength: 512];

	for (size_t i = 0; i < 512 / sizeof(uint32_t); i++)
		if (buffer[i] != 0)
			empty = false;

	if (empty) {
		[_stream readIntoBuffer: buffer
		[_stream readIntoBuffer: buffer exactLength: 512];
			    exactLength: 512];

		for (size_t i = 0; i < 512 / sizeof(uint32_t); i++)
			if (buffer[i] != 0)
				@throw [OFInvalidFormatException exception];

		return nil;
	}
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			entry: entry];

	return entry;
}

- (OFStream *)streamForReadingCurrentEntry
{
	if (_mode != OF_TAR_ARCHIVE_MODE_READ)
	if (_mode != OFTarArchiveModeRead)
		@throw [OFInvalidArgumentException exception];

	if (_lastReturnedStream == nil)
		@throw [OFInvalidArgumentException exception];

	return [[(OFTarArchiveFileReadStream *)_lastReturnedStream
	    retain] autorelease];
}

- (OFStream *)streamForWritingEntry: (OFTarArchiveEntry *)entry
{
	void *pool;

	if (_mode != OF_TAR_ARCHIVE_MODE_WRITE &&
	if (_mode != OFTarArchiveModeWrite && _mode != OFTarArchiveModeAppend)
	    _mode != OF_TAR_ARCHIVE_MODE_APPEND)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	@try {
		[_lastReturnedStream close];
	} @catch (OFNotOpenException *e) {
		/* Might have already been closed by the user - that's fine. */
	}
	[_lastReturnedStream release];
	_lastReturnedStream = nil;

	[entry of_writeToStream: _stream
	[entry of_writeToStream: _stream encoding: _encoding];
		       encoding: _encoding];

	_lastReturnedStream = [[OFTarArchiveFileWriteStream alloc]
	    of_initWithStream: _stream
			entry: entry];

	objc_autoreleasePoolPop(pool);
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		[_lastReturnedStream close];
	} @catch (OFNotOpenException *e) {
		/* Might have already been closed by the user - that's fine. */
	}
	[_lastReturnedStream release];
	_lastReturnedStream = nil;

	if (_mode == OF_TAR_ARCHIVE_MODE_WRITE ||
	if (_mode == OFTarArchiveModeWrite || _mode == OFTarArchiveModeAppend) {
	    _mode == OF_TAR_ARCHIVE_MODE_APPEND) {
		char buffer[1024];
		memset(buffer, '\0', 1024);
		[_stream writeBuffer: buffer
		[_stream writeBuffer: buffer length: 1024];
			      length: 1024];
	}

	[_stream release];
	_stream = nil;
}
@end
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	if (length > UINT64_MAX)
		@throw [OFOutOfRangeException exception];
#endif

	if ((uint64_t)length > _toRead)
		length = (size_t)_toRead;

	ret = [_stream readIntoBuffer: buffer
	ret = [_stream readIntoBuffer: buffer length: length];
			       length: length];

	if (ret == 0)
		_atEndOfStream = true;

	_toRead -= ret;

	return ret;
}
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- (void)of_skip
{
	if (_stream == nil || _skipped)
		return;

	if ([_stream isKindOfClass: [OFSeekableStream class]] &&
	    _toRead <= INT64_MAX && (of_offset_t)_toRead == (int64_t)_toRead) {
	    _toRead <= INT64_MAX && (OFFileOffset)_toRead == (int64_t)_toRead) {
		uint64_t size;

		[(OFSeekableStream *)_stream seekToOffset: (of_offset_t)_toRead
		[(OFSeekableStream *)_stream seekToOffset: (OFFileOffset)_toRead
						   whence: SEEK_CUR];

		_toRead = 0;

		size = _entry.size;

		if (size % 512 != 0)
			[(OFSeekableStream *)_stream
			    seekToOffset: 512 - (size % 512)
				  whence: SEEK_CUR];
	} else {
		char buffer[512];
		uint64_t size;

		while (_toRead >= 512) {
			[_stream readIntoBuffer: buffer
			[_stream readIntoBuffer: buffer exactLength: 512];
				    exactLength: 512];
			_toRead -= 512;
		}

		if (_toRead > 0) {
			[_stream readIntoBuffer: buffer
				    exactLength: (size_t)_toRead];
			_toRead = 0;
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		[self close];

	[_entry release];

	[super dealloc];
}

- (size_t)lowlevelWriteBuffer: (const void *)buffer
- (size_t)lowlevelWriteBuffer: (const void *)buffer length: (size_t)length
		       length: (size_t)length
{
	size_t bytesWritten;

	if (_stream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];

	if ((uint64_t)length > _toWrite)
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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