40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
|
/* Copyright 2013 Google Inc. All Rights Reserved.
|
||
|
|
|
||
|
|
Distributed under MIT license.
|
||
|
|
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Class to model the static dictionary. */
|
||
|
|
|
||
|
|
#ifndef BROTLI_ENC_STATIC_DICT_H_
|
||
|
|
#define BROTLI_ENC_STATIC_DICT_H_
|
||
|
|
|
||
|
|
#include "../common/dictionary.h"
|
||
|
|
#include <brotli/types.h>
|
||
|
|
#include "./port.h"
|
||
|
|
|
||
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN 37
|
||
|
|
static const uint32_t kInvalidMatch = 0xfffffff;
|
||
|
|
|
||
|
|
/* Matches data against static dictionary words, and for each length l,
|
||
|
|
for which a match is found, updates matches[l] to be the minimum possible
|
||
|
|
(distance << 5) + len_code.
|
||
|
|
Returns 1 if matches have been found, otherwise 0.
|
||
|
|
Prerequisites:
|
||
|
|
matches array is at least BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1 long
|
||
|
|
all elements are initialized to kInvalidMatch */
|
||
|
|
BROTLI_INTERNAL BROTLI_BOOL BrotliFindAllStaticDictionaryMatches(
|
||
|
|
const BrotliDictionary* dictionary,
|
||
|
|
const uint8_t* data, size_t min_length, size_t max_length,
|
||
|
|
uint32_t* matches);
|
||
|
|
|
||
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
||
|
|
} /* extern "C" */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* BROTLI_ENC_STATIC_DICT_H_ */
|