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_zstdmodule.h

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v3.14.8

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_zstdmodule.h

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/* Low level interface to the Zstandard algorithm & the zstd library. */

/* Declarations shared between different parts of the _zstd module*/

#ifndef ZSTD_MODULE_H

#define ZSTD_MODULE_H

#include "zstddict.h"

/* Type specs */

extern PyType_Spec zstd_dict_type_spec;

extern PyType_Spec zstd_compressor_type_spec;

extern PyType_Spec zstd_decompressor_type_spec;

typedef struct {

/* Module heap types. */

PyTypeObject *ZstdDict_type;

PyTypeObject *ZstdCompressor_type;

PyTypeObject *ZstdDecompressor_type;

PyObject *ZstdError;

/* enum types set by set_parameter_types. */

PyTypeObject *CParameter_type;

PyTypeObject *DParameter_type;

} _zstd_state;

typedef enum {

ERR_DECOMPRESS,

ERR_COMPRESS,

ERR_SET_PLEDGED_INPUT_SIZE,

ERR_LOAD_D_DICT,

ERR_LOAD_C_DICT,

ERR_GET_C_BOUNDS,

ERR_GET_D_BOUNDS,

ERR_SET_C_LEVEL,

ERR_TRAIN_DICT,

ERR_FINALIZE_DICT,

} error_type;

typedef enum {

DICT_TYPE_DIGESTED = 0,

DICT_TYPE_UNDIGESTED = 1,

DICT_TYPE_PREFIX = 2

} dictionary_type;

extern ZstdDict *

_Py_parse_zstd_dict(const _zstd_state *state,

PyObject *dict, int *type);

/* Format error message and set ZstdError. */

extern void

set_zstd_error(const _zstd_state *state,

error_type type, size_t zstd_ret);

extern void

set_parameter_error(int is_compress, int key_v, int value_v);

#endif // !ZSTD_MODULE_H