2019-01-05 15:51:08 +08:00
|
|
|
|
/*
|
|
|
|
|
|
*
|
|
|
|
|
|
* Copyright (c) 2018
|
|
|
|
|
|
* String Algorithms Research Group
|
|
|
|
|
|
* Institute of Information Engineering, Chinese Academy of Sciences (IIE-CAS)
|
|
|
|
|
|
* National Engineering Laboratory for Information Security Technologies (NELIST)
|
|
|
|
|
|
* All rights reserved
|
|
|
|
|
|
*
|
|
|
|
|
|
* Written by: LIU YANBING (liuyanbing@iie.ac.cn)
|
2021-06-15 01:32:46 +00:00
|
|
|
|
* Last modification: 2021-06-12
|
2019-01-05 15:51:08 +08:00
|
|
|
|
*
|
|
|
|
|
|
* This code is the exclusive and proprietary property of IIE-CAS and NELIST.
|
|
|
|
|
|
* Usage for direct or indirect commercial advantage is not allowed without
|
|
|
|
|
|
* written permission from the authors.
|
|
|
|
|
|
*
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef INCLUDE_BOOL_MATCHER_H
|
|
|
|
|
|
#define INCLUDE_BOOL_MATCHER_H
|
|
|
|
|
|
#include <stddef.h>
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
|
extern "C"
|
|
|
|
|
|
{
|
|
|
|
|
|
#endif
|
|
|
|
|
|
#define MAX_ITEMS_PER_BOOL_EXPR 8
|
|
|
|
|
|
|
2021-06-15 01:32:46 +00:00
|
|
|
|
/* not_flag=0表示布尔项item_id必须出现;not_flag=1表示布尔项item_id不能出现 */
|
2019-01-05 15:51:08 +08:00
|
|
|
|
struct bool_item
|
|
|
|
|
|
{
|
|
|
|
|
|
unsigned long long item_id;
|
|
|
|
|
|
unsigned char not_flag;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
2021-06-15 01:32:46 +00:00
|
|
|
|
/* At least one item's not_flag should be 0. */
|
2019-01-05 15:51:08 +08:00
|
|
|
|
struct bool_expr
|
|
|
|
|
|
{
|
2021-06-15 01:32:46 +00:00
|
|
|
|
unsigned long long expr_id;
|
2019-01-05 15:51:08 +08:00
|
|
|
|
void * user_tag;
|
|
|
|
|
|
size_t item_num;
|
|
|
|
|
|
struct bool_item items[MAX_ITEMS_PER_BOOL_EXPR];
|
|
|
|
|
|
};
|
|
|
|
|
|
|
2021-06-15 01:32:46 +00:00
|
|
|
|
struct bool_expr_match
|
|
|
|
|
|
{
|
|
|
|
|
|
unsigned long long expr_id;
|
|
|
|
|
|
void * user_tag;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
2019-01-05 15:51:08 +08:00
|
|
|
|
struct bool_matcher;
|
|
|
|
|
|
|
|
|
|
|
|
struct bool_matcher * bool_matcher_new(struct bool_expr * exprs, size_t expr_num, unsigned int max_thread_num, size_t * mem_size);
|
|
|
|
|
|
|
2021-06-15 01:32:46 +00:00
|
|
|
|
/* Returned results are sorted by expr_id in descending order. */
|
2021-06-29 21:18:18 +08:00
|
|
|
|
//Input item_ids MUST be ASCENDING order and NO duplication.
|
2021-06-15 01:32:46 +00:00
|
|
|
|
int bool_matcher_match(struct bool_matcher * matcher, unsigned int thread_id, unsigned long long * item_ids, size_t item_num, struct bool_expr_match * results, size_t n_result);
|
2019-01-05 15:51:08 +08:00
|
|
|
|
|
|
|
|
|
|
void bool_matcher_free(struct bool_matcher * matcher);
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|