1 /* 2 * Copyright (c) 2021-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef LNN_MAP_H 17 #define LNN_MAP_H 18 19 #include <stdint.h> 20 #include <stdbool.h> 21 #include "lnn_map_struct.h" 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif /* __cplusplus */ 26 27 MapIterator *LnnMapInitIterator(Map *map); 28 bool LnnMapHasNext(MapIterator *it); 29 MapIterator *LnnMapNext(MapIterator *it); 30 void LnnMapDeinitIterator(MapIterator *it); 31 32 /** 33 * Initialize map 34 * 35 * @param : map Map see details in type Map 36 */ 37 void LnnMapInit(Map *map); 38 39 /** 40 * Delete map, free the map memory 41 * 42 * @param : map Map see details in type Map 43 */ 44 void LnnMapDelete(Map *map); 45 46 /** 47 * Add map element 48 * 49 * @param : map Map see details in type Map 50 * key Map key 51 * value Map value 52 * valueSize Map value size 53 * @return : SOFTBUS_OK or other error 54 */ 55 int32_t LnnMapSet(Map *map, const char *key, const void *value, uint32_t valueSize); 56 57 /** 58 * Get map value 59 * 60 * @param : map Map see details in type Map 61 * key Map key 62 * @return : Value of key or NULL 63 */ 64 void *LnnMapGet(const Map *map, const char *key); 65 66 /** 67 * Erase map element 68 * Erase cannot be used on the iterator 69 * 70 * @param : map Map see details in type Map 71 * key Map key 72 */ 73 int32_t LnnMapErase(Map *map, const char *key); 74 75 /** 76 * get map size 77 * 78 * @param : map Map see details in type Map 79 */ 80 uint32_t MapGetSize(Map *map); 81 82 #ifdef __cplusplus 83 } 84 #endif /* __cplusplus */ 85 86 #endif /* LNN_MAP_H */ 87