Differences From Artifact [a10344d136]:
- File src/OFInflate64Stream.h — part of check-in [374e1a1bfa] at 2021-01-02 22:04:26 on branch trunk — Update copyright (user: js, size: 2859) [annotate] [blame] [check-ins using] [more...]
To Artifact [a6bacf7fa9]:
- File
src/OFInflate64Stream.h
— part of check-in
[2fcf5a3052]
at
2021-04-29 23:24:22
on branch trunk
— Clean up struct and enum typedefs
With TYPEDEF_HIDES_STRUCT set, Doxygen properly handles anonymous
structs and enums that are typedef'd. (user: js, size: 2807) [annotate] [blame] [check-ins using] [more...]
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10 11 12 13 14 15 16 17 18 19 20 | * 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 "OFStream.h" #import "OFKernelEventObserver.h" OF_ASSUME_NONNULL_BEGIN | > | | | | | | | | | | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 |
* 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 "OFStream.h"
#import "OFHuffmanTree.h"
#import "OFKernelEventObserver.h"
OF_ASSUME_NONNULL_BEGIN
#define OFInflate64StreamBufferSize 4096
/**
* @class OFInflate64Stream OFInflate64Stream.h ObjFW/OFInflate64Stream.h
*
* @note This class only conforms to OFReadyForReadingObserving if the
* underlying stream does so, too.
*
* @brief A class that handles Deflate decompression transparently for an
* underlying stream.
*/
OF_SUBCLASSING_RESTRICTED
@interface OFInflate64Stream: OFStream <OFReadyForReadingObserving>
{
OFStream *_stream;
unsigned char _buffer[OFInflate64StreamBufferSize];
uint16_t _bufferIndex, _bufferLength;
uint8_t _byte;
uint8_t _bitIndex, _savedBitsLength;
uint16_t _savedBits;
unsigned char *_Nullable _slidingWindow;
uint16_t _slidingWindowIndex, _slidingWindowMask;
int _state;
union {
struct {
uint8_t position;
uint8_t length[4];
} uncompressedHeader;
struct {
uint16_t position, length;
} uncompressed;
struct {
OFHuffmanTree _Nullable litLenTree;
OFHuffmanTree _Nullable distTree;
OFHuffmanTree _Nullable codeLenTree;
OFHuffmanTree _Nullable treeIter;
uint8_t *_Nullable lengths;
uint16_t receivedCount;
uint8_t value, litLenCodesCount, distCodesCount;
uint8_t codeLenCodesCount;
} huffmanTree;
struct {
OFHuffmanTree _Nullable litLenTree;
OFHuffmanTree _Nullable distTree;
OFHuffmanTree _Nullable treeIter;
int state;
uint16_t value, length, distance, extraBits;
} huffman;
} _context;
bool _inLastBlock, _atEndOfStream;
}
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