mirror of
https://github.com/openharmony/js_worker_module.git
synced 2026-07-01 07:24:25 -04:00
wupengyong
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FOUNDATION_CCRUNTIME_JSAPI_WORKER_HELP_H
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#define FOUNDATION_CCRUNTIME_JSAPI_WORKER_HELP_H
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#include "napi/native_api.h"
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#include "napi/native_node_api.h"
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namespace OHOS::CCRuntime::Worker {
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class DereferenceHelp {
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public:
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template<typename Inner, typename Outer>
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static Outer* DereferenceOf(const Inner Outer::*field, const Inner* pointer)
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{
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if (field != nullptr && pointer != nullptr) {
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uintptr_t fieldOffset = (uintptr_t)&(static_cast<Outer*>(0)->*field);
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Outer* outPointer = reinterpret_cast<Outer*>((uintptr_t)(pointer) - fieldOffset);
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return outPointer;
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}
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return nullptr;
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}
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};
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class NapiValueHelp {
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public:
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static bool IsString(napi_value value);
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static bool IsArray(napi_value value);
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static bool IsConstructor(napi_env env, napi_callback_info cbInfo);
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static bool IsCallable(napi_env env, napi_value value);
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static bool IsCallable(napi_env env, napi_ref value);
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static size_t GetCallbackInfoArgc(napi_env env, napi_callback_info cbInfo);
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static napi_value GetNamePropertyInParentPort(napi_env env, napi_ref parentPort, const char* name);
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static void SetNamePropertyInGlobal(napi_env env, const char* name, napi_value value);
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static napi_value GetUndefinedValue(napi_env env);
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static bool IsObject(napi_value value);
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static char* GetString(napi_env env, napi_value value);
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static napi_value GetBooleanValue(napi_env env, bool value);
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};
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class CloseHelp {
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public:
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template<typename T>
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static void DeletePointer(const T* value, bool isArray)
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{
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if (value == nullptr) {
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return;
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}
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if (isArray) {
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delete[] value;
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} else {
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delete value;
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}
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}
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};
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template<typename T>
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class ObjectScope {
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public:
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ObjectScope(T* data, bool isArray) : data_(data), isArray_(isArray) {}
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~ObjectScope()
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{
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if (data_ == nullptr) {
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return;
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}
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if (isArray_) {
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delete[] data_;
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} else {
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delete data_;
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}
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}
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private:
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T* data_;
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bool isArray_;
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};
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} // namespace OHOS::CCRuntime::Worker
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#endif // FOUNDATION_CCRUNTIME_JSAPI_NAPI_VALUE_HELP_H
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