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 OHOS_ACE_FRAMEWORK_UTILS_H 17 #define OHOS_ACE_FRAMEWORK_UTILS_H 18 19 #include <cstdint> 20 #include <memory> 21 #include <string> 22 23 #include "bridge/cj_frontend/interfaces/cj_ffi/cj_macro.h" 24 #include "core/common/container.h" 25 #include "core/common/frontend.h" 26 27 extern "C" struct ExternalString { 28 const char* value; 29 void (*free)(const void*); 30 }; 31 32 namespace OHOS::Ace::Framework { 33 34 class CJ_EXPORT Utils { 35 public: CheckParamsValid(int32_t index,size_t length)36 static bool CheckParamsValid(int32_t index, size_t length) 37 { 38 return size_t(index) < length; 39 } 40 41 static ExternalString MallocCString(const std::string& origin); 42 43 static RefPtr<Frontend> GetCurrentFrontend(); 44 45 static std::string GetFunctionKey(int32_t functionKey); 46 47 template<typename T> CheckRange(T min,T max,T defaultValue,T value)48 static T CheckRange(T min, T max, T defaultValue, T value) 49 { 50 if (value < min || value > max) { 51 return defaultValue; 52 } 53 return value; 54 } 55 56 template<typename T> CheckMin(T min,T defaultValue,T value)57 static T CheckMin(T min, T defaultValue, T value) 58 { 59 if (value < min) { 60 return defaultValue; 61 } 62 return value; 63 } 64 }; 65 66 } 67 #endif // OHOS_ACE_FRAMEWORK_UTILS_H 68