static_dict_lut.h - mozsearch

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/* Copyright 2015 Google Inc. All Rights Reserved.

   Distributed under MIT license.

   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT

*/

/* Lookup table for static dictionary and transforms. */

#ifndef BROTLI_ENC_STATIC_DICT_LUT_H_

#define BROTLI_ENC_STATIC_DICT_LUT_H_

#include "../common/dictionary.h"

#include "../common/platform.h"

#include "../common/static_init.h"

#if defined(__cplusplus) || defined(c_plusplus)

extern "C" {

#endif

typedef struct DictWord {

  /* Highest bit is used to indicate end of bucket. */

  uint8_t len;

  uint8_t transform;

  uint16_t idx;

} DictWord;

/* Buckets are Hash15 results. */

#define BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS 32768

#define BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS 31705

#if (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_NONE)

BROTLI_INTERNAL BROTLI_BOOL BrotliEncoderInitStaticDictionaryLut(

    const BrotliDictionary* dictionary, uint16_t* buckets, DictWord* words);

BROTLI_INTERNAL extern BROTLI_MODEL("small") uint16_t

    kStaticDictionaryBuckets[BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS];

BROTLI_INTERNAL extern BROTLI_MODEL("small") DictWord

    kStaticDictionaryWords[BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS];

#else

BROTLI_INTERNAL extern const BROTLI_MODEL("small") uint16_t

    kStaticDictionaryBuckets[BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS];

BROTLI_INTERNAL extern const BROTLI_MODEL("small") DictWord

    kStaticDictionaryWords[BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS];

#endif

#if defined(__cplusplus) || defined(c_plusplus)

}  /* extern "C" */

#endif

#endif  /* BROTLI_ENC_STATIC_DICT_LUT_H_ */