blob: 6b5d4eb0c989067ed8995f9523311792b0a3a551 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* 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 "../common/platform.h"
#include <brotli/types.h>
#include "./encoder_dict.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 BrotliEncoderDictionary* 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_ */
|
