1 /* 2 * Copyright (c) 2021-2023 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 ROSENRENDER_ROSEN_FUNC_ARG 17 #define ROSENRENDER_ROSEN_FUNC_ARG 18 19 #include <functional> 20 #include <map> 21 #include "napi/n_val.h" 22 #include "napi/uni_header.h" 23 24 namespace OHOS { 25 namespace Rosen { 26 enum NARG_CNT { 27 ZERO = 0, 28 ONE = 1, 29 TWO = 2, 30 THREE = 3, 31 FOUR = 4, 32 FIVE = 5, 33 SIX = 6, 34 SEVEN = 7, 35 EIGHT = 8, 36 NINE = 9, 37 TEN = 10, 38 ELEVEN = 11, 39 TWELVE = 12, 40 }; 41 42 enum NARG_POS { 43 FIRST = 0, 44 SECOND = 1, 45 THIRD = 2, 46 FOURTH = 3, 47 FIFTH = 4, 48 SIXTH = 5, 49 SEVENTH = 6, 50 EIGHTH = 7, 51 NINTH = 8, 52 TENTH = 9, 53 ELEVENTH = 10, 54 TWELVETH = 11, 55 }; 56 57 class NFuncArg final { 58 public: 59 NFuncArg(napi_env env, napi_callback_info info); 60 virtual ~NFuncArg(); 61 62 bool InitArgs(size_t argc); 63 bool InitArgs(size_t minArgc, size_t maxArgc); 64 size_t GetArgc() const; 65 size_t GetMaxArgc(void) const; 66 napi_value GetThisVar() const; 67 napi_value operator[](size_t argPos) const; 68 napi_value GetArg(size_t argPos) const; 69 70 private: 71 bool InitArgs(std::function<bool()> argcChecker); 72 void SetArgc(size_t argc); 73 void SetThisVar(napi_value thisVar); 74 void SetMaxArgc(size_t maxArgc); 75 napi_env env_ = nullptr; 76 napi_callback_info info_ = nullptr; 77 size_t argc_ = 0; 78 size_t maxArgc_ = 0; 79 std::unique_ptr<napi_value[]> argv_ = {nullptr}; 80 napi_value thisVar_ = nullptr; 81 }; 82 } // namespace Rosen 83 } // namespace OHOS 84 #endif // ROSENRENDER_ROSEN_FUNC_ARG 85