65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
|
||
*
|
||
* 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)
|
||
* Last modification: 2021-06-12
|
||
*
|
||
* 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
|
||
|
||
/* 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 */
|
||
struct bool_item
|
||
{
|
||
unsigned long long item_id;
|
||
unsigned char not_flag;
|
||
};
|
||
|
||
/* At least one item's not_flag should be 0. */
|
||
struct bool_expr
|
||
{
|
||
unsigned long long expr_id;
|
||
void * user_tag;
|
||
size_t item_num;
|
||
struct bool_item items[MAX_ITEMS_PER_BOOL_EXPR];
|
||
};
|
||
|
||
struct bool_expr_match
|
||
{
|
||
unsigned long long expr_id;
|
||
void * user_tag;
|
||
};
|
||
|
||
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);
|
||
|
||
/* Returned results are sorted by expr_id in descending order. */
|
||
//Input item_ids MUST be ASCENDING order and NO duplication.
|
||
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);
|
||
|
||
void bool_matcher_free(struct bool_matcher * matcher);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif
|