49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Copyright 2015 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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/* Lookup table for static dictionary and transforms. */
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#ifndef BROTLI_ENC_STATIC_DICT_LUT_H_
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#define BROTLI_ENC_STATIC_DICT_LUT_H_
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#include "../common/dictionary.h"
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#include "../common/platform.h"
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#include "../common/static_init.h"
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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typedef struct DictWord {
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/* Highest bit is used to indicate end of bucket. */
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uint8_t len;
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uint8_t transform;
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uint16_t idx;
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} DictWord;
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/* Buckets are Hash15 results. */
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#define BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS 32768
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#define BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS 31705
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#if (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_NONE)
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BROTLI_INTERNAL BROTLI_BOOL BrotliEncoderInitStaticDictionaryLut(
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const BrotliDictionary* dictionary, uint16_t* buckets, DictWord* words);
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BROTLI_INTERNAL extern BROTLI_MODEL("small") uint16_t
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kStaticDictionaryBuckets[BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS];
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BROTLI_INTERNAL extern BROTLI_MODEL("small") DictWord
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kStaticDictionaryWords[BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS];
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#else
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BROTLI_INTERNAL extern const BROTLI_MODEL("small") uint16_t
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kStaticDictionaryBuckets[BROTLI_ENC_STATIC_DICT_LUT_NUM_BUCKETS];
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BROTLI_INTERNAL extern const BROTLI_MODEL("small") DictWord
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kStaticDictionaryWords[BROTLI_ENC_STATIC_DICT_LUT_NUM_ITEMS];
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#endif
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#if defined(__cplusplus) || defined(c_plusplus)
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} /* extern "C" */
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#endif
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#endif /* BROTLI_ENC_STATIC_DICT_LUT_H_ */
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