1 /* 2 * Copyright (c) 2023 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 VARIANT_VALUE_H 17 #define VARIANT_VALUE_H 18 19 #include <string> 20 #include <variant> 21 22 namespace OHOS { 23 namespace Security::SecurityGuard { 24 enum class ValueType { 25 TYPE_NULL, 26 TYPE_INT, 27 TYPE_INT64, 28 TYPE_STRING, 29 }; 30 31 class VariantValue final { 32 public: 33 VariantValue(); 34 virtual ~VariantValue(); 35 36 explicit VariantValue(int32_t value); 37 explicit VariantValue(int64_t value); 38 explicit VariantValue(const std::string &value); 39 40 ValueType GetType() const; 41 int32_t GetInt() const; 42 int64_t GetInt64() const; 43 std::string GetString() const; 44 45 static const int32_t DEFAULT_VALUE = -1; 46 47 private: 48 ValueType type_; 49 std::variant<int32_t, int64_t, std::string> value_; 50 }; 51 } // namespace Security::SecurityGuard 52 } // namespace OHOS 53 #endif // VARIANT_VALUE_H 54