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1 /**
2  * Copyright (c) 2023-2024 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 #include "plugins/ets/runtime/interop_js/ets_proxy/ets_proxy.h"
17 
18 #include "plugins/ets/runtime/ets_utils.h"
19 #include "plugins/ets/runtime/interop_js/ets_proxy/ets_method_set.h"
20 #include "plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h"
21 #include "plugins/ets/runtime/interop_js/ets_proxy/ets_method_wrapper.h"
22 #include "plugins/ets/runtime/interop_js/interop_context.h"
23 #include "plugins/ets/runtime/interop_js/code_scopes.h"
24 
25 namespace ark::ets::interop::js::ets_proxy {
26 
GetETSFunction(napi_env env,std::string_view packageName,std::string_view methodName)27 napi_value GetETSFunction(napi_env env, std::string_view packageName, std::string_view methodName)
28 {
29     EtsCoroutine *coro = EtsCoroutine::GetCurrent();
30     INTEROP_CODE_SCOPE_JS(coro, env);
31 
32     std::ostringstream classDescriptorBuilder;
33     classDescriptorBuilder << "L" << packageName << (packageName.empty() ? "ETSGLOBAL;" : "/ETSGLOBAL;");
34     std::string classDescriptor = classDescriptorBuilder.str();
35 
36     if (IsEtsGlobalClassName(packageName.data())) {
37         // Old-style value for legacy code
38         // NOTE remove this check after all tests fixed
39         classDescriptor = packageName;
40     }
41 
42     napi_value jsClass = GetETSClass(env, classDescriptor);
43     ASSERT(GetValueType(env, jsClass) == napi_function);
44 
45     napi_value jsMethod;
46     const napi_status resolveStatus = napi_get_named_property(env, jsClass, methodName.data(), &jsMethod);
47     if (UNLIKELY(napi_ok != resolveStatus || GetValueType(env, jsMethod) != napi_function)) {
48         InteropCtx::ThrowJSError(env, "GetETSFunction: class " + std::string(classDescriptor) + " doesn't contain " +
49                                           std::string(methodName) + " method");
50         return nullptr;
51     }
52 
53     NAPI_CHECK_FATAL(NapiObjectSeal(env, jsMethod));
54     return jsMethod;
55 }
56 
GetETSClass(napi_env env,std::string_view classDescriptor)57 napi_value GetETSClass(napi_env env, std::string_view classDescriptor)
58 {
59     EtsCoroutine *coro = EtsCoroutine::GetCurrent();
60     InteropCtx *ctx = InteropCtx::Current(coro);
61     INTEROP_CODE_SCOPE_JS(coro, env);
62 
63     EtsClass *etsKlass = coro->GetPandaVM()->GetClassLinker()->GetClass(classDescriptor.data());
64     if (UNLIKELY(etsKlass == nullptr)) {
65         InteropCtx::ThrowJSError(env, "GetETSClass: unresolved klass " + std::string(classDescriptor));
66         return nullptr;
67     }
68 
69     EtsClassWrapper *etsClassWrapper = EtsClassWrapper::Get(ctx, etsKlass);
70     if (UNLIKELY(etsClassWrapper == nullptr)) {
71         return nullptr;
72     }
73 
74     return etsClassWrapper->GetJsCtor(env);
75 }
76 
77 }  // namespace ark::ets::interop::js::ets_proxy
78