homework-jianmu/source/libs/index/inc/indexFstAutomation.h

80 lines
2.2 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __INDEX_FST_AUTAOMATION_H__
#define __INDEX_FST_AUTAOMATION_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "indexFstUtil.h"
#include "indexInt.h"
typedef struct FAutoCtx FAutoCtx;
typedef enum AutomationType { AUTOMATION_ALWAYS, AUTOMATION_PREFIX, AUTMMATION_MATCH } AutomationType;
typedef struct StartWith {
FAutoCtx* autoSelf;
} StartWith;
typedef struct Complement {
FAutoCtx* autoSelf;
} Complement;
// automation
typedef struct FAutoCtx {
AutomationType type;
void* stdata;
char* data;
} FAutoCtx;
typedef enum ValueType { FST_INT, FST_CHAR, FST_ARRAY } ValueType;
typedef enum StartWithStateKind { Done, Running } StartWithStateKind;
typedef struct StartWithStateValue {
StartWithStateKind kind;
ValueType type;
union {
int val;
char* ptr;
SArray* arr;
// add more type
};
} StartWithStateValue;
StartWithStateValue* startWithStateValueCreate(StartWithStateKind kind, ValueType ty, void* val);
StartWithStateValue* startWithStateValueDump(StartWithStateValue* sv);
void startWithStateValueDestroy(void* sv);
typedef struct AutomationFunc {
void* (*start)(FAutoCtx* ctx);
bool (*isMatch)(FAutoCtx* ctx, void*);
bool (*canMatch)(FAutoCtx* ctx, void* data);
bool (*willAlwaysMatch)(FAutoCtx* ctx, void* state);
void* (*accept)(FAutoCtx* ctx, void* state, uint8_t byte);
void* (*acceptEof)(FAutoCtx* ct, void* state);
} AutomationFunc;
FAutoCtx* automCtxCreate(void* data, AutomationType atype);
void automCtxDestroy(FAutoCtx* ctx);
extern AutomationFunc automFuncs[];
#ifdef __cplusplus
}
#endif
#endif