1/*
2 * Copyright (C) 2024 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 JSON_UTILS_H
17#define JSON_UTILS_H
18
19#include <stdbool.h>
20
21#include "appspawn_utils.h"
22#include "cJSON.h"
23
24#ifdef __cplusplus
25extern "C" {
26#endif  // __cplusplus
27
28#define MAX_JSON_FILE_LEN 102400
29typedef struct TagParseJsonContext ParseJsonContext;
30typedef int (*ParseConfig)(const cJSON *root, ParseJsonContext *context);
31int ParseJsonConfig(const char *path, const char *fileName, ParseConfig parseConfig, ParseJsonContext *context);
32cJSON *GetJsonObjFromFile(const char *jsonPath);
33
34__attribute__((always_inline)) inline char *GetStringFromJsonObj(const cJSON *json, const char *key)
35{
36    APPSPAWN_CHECK_ONLY_EXPER(key != NULL && json != NULL, NULL);
37    APPSPAWN_CHECK(cJSON_IsObject(json), return NULL, "json is not object %{public}s", key);
38    cJSON *obj = cJSON_GetObjectItemCaseSensitive(json, key);
39    APPSPAWN_CHECK_ONLY_EXPER(obj != NULL, return NULL);
40    APPSPAWN_CHECK(cJSON_IsString(obj), return NULL, "json is not string %{public}s", key);
41    return cJSON_GetStringValue(obj);
42}
43
44__attribute__((always_inline)) inline bool GetBoolValueFromJsonObj(const cJSON *json, const char *key, bool def)
45{
46    char *value = GetStringFromJsonObj(json, key);
47    APPSPAWN_CHECK_ONLY_EXPER(value != NULL, return def);
48
49    if (strcmp(value, "true") == 0 || strcmp(value, "ON") == 0 || strcmp(value, "True") == 0) {
50        return true;
51    }
52    return false;
53}
54
55__attribute__((always_inline)) inline uint32_t GetIntValueFromJsonObj(const cJSON *json, const char *key, uint32_t def)
56{
57    APPSPAWN_CHECK(json != NULL, return def, "Invalid json");
58    APPSPAWN_CHECK(cJSON_IsObject(json), return def, "json is not object.");
59    return cJSON_GetNumberValue(cJSON_GetObjectItemCaseSensitive(json, key));
60}
61
62#ifdef __cplusplus
63}
64#endif  // __cplusplus
65#endif  // JSON_UTILS_H