/* Copyright 2015 Google Inc. All Rights Reserved. Distributed under MIT license. See file LICENSE for detail or copy at https://opensource.org/licenses/MIT */ /* Hash table on the 4-byte prefixes of static dictionary words. */ #ifndef BROTLI_ENC_DICTIONARY_HASH_H_ #define BROTLI_ENC_DICTIONARY_HASH_H_ #include "../common/platform.h" #include "../common/static_init.h" #if (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_NONE) #include "../common/dictionary.h" #endif #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif /* Bucket is (Hash14 * 2 + length_lt_8); in other words we reserve 2 buckets for each hash - one for shorter words and one for longer words. */ #define BROTLI_ENC_NUM_HASH_BUCKETS 32768 #if (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_NONE) BROTLI_BOOL BROTLI_INTERNAL BrotliEncoderInitDictionaryHash( const BrotliDictionary* dictionary, uint16_t* words, uint8_t* lengths); BROTLI_INTERNAL extern BROTLI_MODEL("small") uint16_t kStaticDictionaryHashWords[BROTLI_ENC_NUM_HASH_BUCKETS]; BROTLI_INTERNAL extern BROTLI_MODEL("small") uint8_t kStaticDictionaryHashLengths[BROTLI_ENC_NUM_HASH_BUCKETS]; #else BROTLI_INTERNAL extern const BROTLI_MODEL("small") uint16_t kStaticDictionaryHashWords[BROTLI_ENC_NUM_HASH_BUCKETS]; BROTLI_INTERNAL extern const BROTLI_MODEL("small") uint8_t kStaticDictionaryHashLengths[BROTLI_ENC_NUM_HASH_BUCKETS]; #endif #if defined(__cplusplus) || defined(c_plusplus) } /* extern "C" */ #endif #endif /* BROTLI_ENC_DICTIONARY_HASH_H_ */