python-zstandard.h
190 lines
| 4.0 KiB
| text/x-c
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CLexer
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r30435 | /** | ||
* Copyright (c) 2016-present, Gregory Szorc | ||||
* All rights reserved. | ||||
* | ||||
* This software may be modified and distributed under the terms | ||||
* of the BSD license. See the LICENSE file for details. | ||||
*/ | ||||
#define PY_SSIZE_T_CLEAN | ||||
#include <Python.h> | ||||
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r30895 | #include "structmember.h" | ||
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r30435 | |||
#define ZSTD_STATIC_LINKING_ONLY | ||||
#define ZDICT_STATIC_LINKING_ONLY | ||||
#include "mem.h" | ||||
#include "zstd.h" | ||||
#include "zdict.h" | ||||
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r30895 | #define PYTHON_ZSTANDARD_VERSION "0.7.0" | ||
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r30822 | |||
typedef enum { | ||||
compressorobj_flush_finish, | ||||
compressorobj_flush_block, | ||||
} CompressorObj_Flush; | ||||
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r30435 | |||
typedef struct { | ||||
PyObject_HEAD | ||||
unsigned windowLog; | ||||
unsigned chainLog; | ||||
unsigned hashLog; | ||||
unsigned searchLog; | ||||
unsigned searchLength; | ||||
unsigned targetLength; | ||||
ZSTD_strategy strategy; | ||||
} CompressionParametersObject; | ||||
extern PyTypeObject CompressionParametersType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
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r30895 | unsigned long long frameContentSize; | ||
unsigned windowSize; | ||||
unsigned dictID; | ||||
char checksumFlag; | ||||
} FrameParametersObject; | ||||
extern PyTypeObject FrameParametersType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
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r30435 | unsigned selectivityLevel; | ||
int compressionLevel; | ||||
unsigned notificationLevel; | ||||
unsigned dictID; | ||||
} DictParametersObject; | ||||
extern PyTypeObject DictParametersType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
void* dictData; | ||||
size_t dictSize; | ||||
} ZstdCompressionDict; | ||||
extern PyTypeObject ZstdCompressionDictType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
int compressionLevel; | ||||
ZstdCompressionDict* dict; | ||||
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r30822 | ZSTD_CCtx* cctx; | ||
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r30435 | ZSTD_CDict* cdict; | ||
CompressionParametersObject* cparams; | ||||
ZSTD_frameParameters fparams; | ||||
} ZstdCompressor; | ||||
extern PyTypeObject ZstdCompressorType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdCompressor* compressor; | ||||
ZSTD_CStream* cstream; | ||||
ZSTD_outBuffer output; | ||||
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r30822 | int finished; | ||
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r30435 | } ZstdCompressionObj; | ||
extern PyTypeObject ZstdCompressionObjType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdCompressor* compressor; | ||||
PyObject* writer; | ||||
Py_ssize_t sourceSize; | ||||
size_t outSize; | ||||
ZSTD_CStream* cstream; | ||||
int entered; | ||||
} ZstdCompressionWriter; | ||||
extern PyTypeObject ZstdCompressionWriterType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdCompressor* compressor; | ||||
PyObject* reader; | ||||
Py_buffer* buffer; | ||||
Py_ssize_t bufferOffset; | ||||
Py_ssize_t sourceSize; | ||||
size_t inSize; | ||||
size_t outSize; | ||||
ZSTD_CStream* cstream; | ||||
ZSTD_inBuffer input; | ||||
ZSTD_outBuffer output; | ||||
int finishedOutput; | ||||
int finishedInput; | ||||
PyObject* readResult; | ||||
} ZstdCompressorIterator; | ||||
extern PyTypeObject ZstdCompressorIteratorType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
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r30895 | ZSTD_DCtx* dctx; | ||
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r30435 | |||
ZstdCompressionDict* dict; | ||||
ZSTD_DDict* ddict; | ||||
} ZstdDecompressor; | ||||
extern PyTypeObject ZstdDecompressorType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdDecompressor* decompressor; | ||||
ZSTD_DStream* dstream; | ||||
int finished; | ||||
} ZstdDecompressionObj; | ||||
extern PyTypeObject ZstdDecompressionObjType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdDecompressor* decompressor; | ||||
PyObject* writer; | ||||
size_t outSize; | ||||
ZSTD_DStream* dstream; | ||||
int entered; | ||||
} ZstdDecompressionWriter; | ||||
extern PyTypeObject ZstdDecompressionWriterType; | ||||
typedef struct { | ||||
PyObject_HEAD | ||||
ZstdDecompressor* decompressor; | ||||
PyObject* reader; | ||||
Py_buffer* buffer; | ||||
Py_ssize_t bufferOffset; | ||||
size_t inSize; | ||||
size_t outSize; | ||||
size_t skipBytes; | ||||
ZSTD_DStream* dstream; | ||||
ZSTD_inBuffer input; | ||||
ZSTD_outBuffer output; | ||||
Py_ssize_t readCount; | ||||
int finishedInput; | ||||
int finishedOutput; | ||||
} ZstdDecompressorIterator; | ||||
extern PyTypeObject ZstdDecompressorIteratorType; | ||||
typedef struct { | ||||
int errored; | ||||
PyObject* chunk; | ||||
} DecompressorIteratorResult; | ||||
void ztopy_compression_parameters(CompressionParametersObject* params, ZSTD_compressionParameters* zparams); | ||||
CompressionParametersObject* get_compression_parameters(PyObject* self, PyObject* args); | ||||
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r30895 | FrameParametersObject* get_frame_parameters(PyObject* self, PyObject* args); | ||
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r30435 | PyObject* estimate_compression_context_size(PyObject* self, PyObject* args); | ||
ZSTD_CStream* CStream_from_ZstdCompressor(ZstdCompressor* compressor, Py_ssize_t sourceSize); | ||||
ZSTD_DStream* DStream_from_ZstdDecompressor(ZstdDecompressor* decompressor); | ||||
ZstdCompressionDict* train_dictionary(PyObject* self, PyObject* args, PyObject* kwargs); | ||||