119 bool PowerConfig::SplitKey(const std::string& key, std::vector<std::string>& keys) const  in SplitKey()
121     SplitStr(TrimStr(key), ".", keys);  in SplitKey()
122     return (keys.size() < MIN_DEPTH || keys.size() > MAX_DEPTH) ? false : true;  in SplitKey()
127     std::vector<std::string> keys;  in GetValue()  local
128     if (!SplitKey(key, keys)) {  in GetValue()
133     std::string firstKey = keys[MAP_KEY_INDEX];  in GetValue()
136         HDF_LOGW("Value is empty. key=%{public}s", keys[MAP_KEY_INDEX].c_str());  in GetValue()
140     for (size_t i = 1; i < keys.size(); ++i) {  in GetValue()
141         if (!value.isObject() || !value.isMember(keys[i])) {  in GetValue()
142             HDF_LOGW("The key is not configured. key=%{public}s", keys[i].c_str());  in GetValue()
145         value = value[keys[i]];  in GetValue()