!474 napi接口修改：napi_wrap

Merge pull request !474 from zhangmenghan/master

examples/napitutorials/entry/src/main/cpp/include/javascriptapi.h

@@ -64,7 +64,7 @@ napi_value SayHello(napi_env env, napi_callback_info info);
 napi_value testNapiCreateFunction(napi_env env, napi_callback_info info);
 
 napi_value jsObjectWrapInit(napi_env env, napi_value exports);
-napi_value testNapiWrap(napi_env env, napi_callback_info info);
 napi_value testNapiUnwrap(napi_env env, napi_callback_info info);
+napi_value WrapInit(napi_env env, napi_value exports);
 
 #endif //NAPITUTORIALS_JAVASCRIPTAPI_H

examples/napitutorials/entry/src/main/cpp/init.cpp

@@ -119,7 +119,10 @@ static napi_value Init(napi_env env, napi_value exports)
 
     // 对应 javascriptapi/jsobjectwrap/jsObjectWrapInit.cpp
     jsObjectWrapInit(env, exports);
-    
+
+    // 对应 javascriptapi/jsobjectwrap/napiwrap.cpp
+    WrapInit(env, exports);
+
     napi_property_descriptor descArr[] = {
         {"add", nullptr, Add, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"getTestCase", nullptr, getTestCase, nullptr, nullptr, nullptr, napi_default, nullptr},

examples/napitutorials/entry/src/main/cpp/javascriptapi/jsobjectwrap/jsObjectWrapInit.cpp

@@ -19,7 +19,6 @@
 napi_value jsObjectWrapInit(napi_env env, napi_value exports)
 {
     napi_property_descriptor desc[] = {
-        {"testNapiWrap", nullptr, testNapiWrap, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"testNapiUnwrap", nullptr, testNapiUnwrap, nullptr, nullptr, nullptr, napi_default, nullptr}};
 
     napi_define_properties(env, exports, sizeof(desc) / sizeof(napi_property_descriptor), desc);

examples/napitutorials/entry/src/main/cpp/javascriptapi/jsobjectwrap/napiwrap.cpp

@@ -17,58 +17,110 @@
 #include "javascriptapi.h"
 
 static const char *TAG = "[javascriptapi_object_wrap]";
-static const int MAX_BUFFER_SIZE = 128;
 
-class Node {
+class testNapiWrap {
 public:
-    Node(napi_env env, napi_value id)
-    {
-        // 将 JavaScript 字符串转换为 C++ 字符串
-        size_t idLength = MAX_BUFFER_SIZE;
-        char buf[MAX_BUFFER_SIZE];
-        char *buffer = buf;
-        napi_get_value_string_utf8(env, id, buffer, idLength, nullptr);
-        // 将 C++ 字符串转换为 std::string
-        _id = std::string(buffer);
-    }
-    std::string GetId() { return _id; }
+    static napi_value Init(napi_env env, napi_value exports);
+    static void Destructor(napi_env env, void *nativeObject, void *finalizeHint);
+
 private:
-    std::string _id; // 成员变量，存储 id
+    explicit testNapiWrap(napi_value value_ = 0);
+    ~testNapiWrap();
+
+    static napi_value New(napi_env env, napi_callback_info info);
+    static napi_value Tyof(napi_env env, napi_callback_info info);
+
+    napi_value value_;
+    napi_env env_;
+    napi_ref wrapper_;
 };
 
-napi_value testNapiWrap(napi_env env, napi_callback_info info)
+static thread_local napi_ref g_ref = nullptr;
+
+testNapiWrap::testNapiWrap(napi_value value) : value_(value), env_(nullptr), wrapper_(nullptr) {}
+
+testNapiWrap::~testNapiWrap() { napi_delete_reference(env_, wrapper_); }
+
+void testNapiWrap::Destructor(napi_env env, void *nativeObject, [[maybe_unused]] void *finalizeHint)
 {
-    size_t argc = PARAM1;
-    napi_value argv[PARAM1] = {0};
-    napi_value thisObj = nullptr;
-    void *data = nullptr;
-    napi_status status;
-    napi_value cons;
-    const napi_extended_error_info *extended_error_info;
-    // 获取回调函数的参数信息
-    status = napi_get_cb_info(env, info, &argc, argv, &thisObj, &data);
-    if (status != napi_ok) {
-        getErrMsg(status, env, extended_error_info, "Failed to get callback info", TAG);
-        return NULL;
-    }
-    napi_valuetype resultType;
-    napi_typeof(env, argv[PARAM0], &resultType);
-    if (resultType != napi_string) {
-        std::string res = "Expected a string, got " + std::to_string(resultType);
-        napi_throw_error(env, NULL, res.c_str());
-        return NULL;
-    }
-    auto instance = new Node(env, argv[PARAM0]);
-    status = napi_wrap(env, thisObj, instance,
-        [](napi_env environment, void *data, void *hint) {
-            auto objInfo = reinterpret_cast<Node *>(data);
-            if (objInfo != nullptr) {
-                delete objInfo;
-            }
-        }, NULL, NULL);
-    if (status != napi_ok) {
-        getErrMsg(status, env, extended_error_info, "wrap", TAG);
-        return NULL;
-    }
-    return thisObj;
+    reinterpret_cast<testNapiWrap *>(nativeObject)->~testNapiWrap();
+}
+
+napi_value testNapiWrap::Tyof(napi_env env, napi_callback_info info)
+{
+    napi_value jsThis;
+    napi_valuetype result;
+    napi_value resultStr;
+    napi_status status;
+    size_t argc = PARAM1;
+    napi_value argv[PARAM1];
+    const napi_extended_error_info *extended_error_info;
+    status = napi_get_cb_info(env, info, &argc, argv, &jsThis, nullptr);
+    if (status != napi_ok) {
+        getErrMsg(status, env, extended_error_info, "get cb info", TAG);
+        return NULL;
+    }
+    testNapiWrap *obj;
+    status = napi_unwrap(env, jsThis, reinterpret_cast<void **>(&obj));
+    if (status != napi_ok || obj == nullptr) {
+        getErrMsg(status, env, extended_error_info, "call napi_typeof()", TAG);
+        return NULL;
+    }
+    status = napi_typeof(env, argv[0], &result);
+    if (status != napi_ok) {
+        getErrMsg(status, env, extended_error_info, "call napi_typeof()", TAG);
+        return NULL;
+    }
+    status = napiValueType2Str(env, result, &resultStr);
+    if (status != napi_ok) {
+        std::string errMsg = "Failed to convert napi_valuetype " + std::to_string(status) + " to string";
+        napi_throw_error(env, NULL, errMsg.c_str());
+        return NULL;
+    }
+    return resultStr;
+}
+
+napi_value testNapiWrap::New(napi_env env, napi_callback_info info)
+{
+    napi_value newTarget;
+    napi_get_new_target(env, info, &newTarget);
+    if (newTarget != nullptr) {
+        size_t argc = PARAM1;
+        napi_value args[PARAM1];
+        napi_value jsThis;
+        napi_get_cb_info(env, info, &argc, args, &jsThis, nullptr);
+        napi_value value;
+        testNapiWrap *obj = new testNapiWrap(value);
+        obj->env_ = env;
+        napi_wrap(env, jsThis, reinterpret_cast<void *>(obj), testNapiWrap::Destructor,
+                  nullptr, // finalize_hint
+                  &obj->wrapper_);
+        return jsThis;
+    } else {
+        size_t argc = PARAM1;
+        napi_value args[PARAM1];
+        napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+        napi_value cons;
+        napi_get_reference_value(env, g_ref, &cons);
+        napi_value instance;
+        napi_new_instance(env, cons, argc, args, &instance);
+        return instance;
+    }
+}
+
+napi_value testNapiWrap::Init(napi_env env, napi_value exports)
+{
+    napi_property_descriptor properties[] = {{"Tyof", nullptr, Tyof, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_value cons;
+    napi_define_class(env, "testNapiWrap", NAPI_AUTO_LENGTH, New, nullptr, 1, properties, &cons);
+    napi_create_reference(env, cons, 1, &g_ref);
+    napi_set_named_property(env, exports, "testNapiWrap", cons);
+    return exports;
+}
+
+
+napi_value WrapInit(napi_env env, napi_value exports)
+{
+    testNapiWrap::Init(env, exports);
+    return exports;
 }

examples/napitutorials/entry/src/main/cpp/types/libentry/index.d.ts

@@ -25,6 +25,11 @@ export interface Callback<T> {
   (data: T): void;
 }
 
+export class testNapiWrap {
+  constructor();
+  Tyof: (arg: any) => string;
+}
+
 export const add: (a: number, b: number) => number;
 export const getTestCase: (a: number) => tcBase;
 export const testNapiStatus: (a: number, b: number) => number;
@@ -71,5 +76,4 @@ export const testNapiCallFunction: (a: Function, b: number) => number;
 export const testNapiCreateFunction: () => any;
 
 /* work_with_javascript_objectwrap */
-export const testNapiWrap: (a: string) => any;
 export const testNapiUnwrap: (a: any) => string;

examples/napitutorials/entry/src/main/ets/pages/javascript/jsobjectwrap/napiwrap.ets

@@ -16,7 +16,7 @@
 import router from '@ohos.router';
 import image from '@ohos.multimedia.image';
 import Logger from '../../../util/Logger';
-import testNapi, { testNapiValue } from 'libentry.so';
+import testNapi from 'libentry.so';
 import { TitleBar } from '../../../common/TitleBar'
 import hilog from '@ohos.hilog';
 
@@ -33,6 +33,8 @@ struct napiwrap {
   @State testcont: string = ' // 测试 N-API napi_wrap \n'
     + ' const result = testNapi.testNapiWrap(); \n'
     + ' console.log(result); \n'
+    + ' const ret = result.Tyof(1024); \n'
+    + ' console.log(ret);\n'
 
 
   controller: TextAreaController = new TextAreaController()
@@ -83,8 +85,10 @@ struct napiwrap {
             .margin({ left: 24 })
             .id('napi_wrap')
             .onClick(() => {
-              console.log(`testNapi.testNapiWrap() is ${testNapi.testNapiWrap('tree')}`);
-              this.testcont = this.testcont.replace('log(result)', 'log(## ' +typeof (testNapi.testNapiWrap('tree')) + ' ##)');
+              let node: testNapi.testNapiWrap = new testNapi.testNapiWrap();
+              let ret = node.Tyof(1024);
+              this.testcont = this.testcont.replace('log(result)', 'log(## type of node is ' + typeof (node) + ' ##)');
+              this.testcont = this.testcont.replace('log(ret)', 'log(## ' + ret + ' ##)');
             })
         }
         .width('100%')

examples/napitutorials/entry/src/ohosTest/ets/test/javascriptapi/jsobjectwrap.test.ets

@@ -42,11 +42,29 @@ export default function abilityTestJsObjectWrap() {
     it('testNapiWrap', 0, () => {
       // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
       hilog.info(0x0000, 'testTag', '%{public}s', 'it testNapiWrap begin');
-      hilog.info(0x0000, 'testTag', `type of napi_wrap("7") is = ${typeof (testNapi.testNapiWrap("7"))}`);
-      expect(typeof (testNapi.testNapiWrap("7"))).assertEqual('object');
+      let ret: testNapi.testNapiWrap = new testNapi.testNapiWrap();
+      hilog.info(0x0000, 'testTag', `type of napi_wrap() is = ${typeof (ret)}`);
+      expect(typeof (ret)).assertEqual('object');
 
-      hilog.info(0x0000, 'testTag', `type of napi_wrap("tree") is = ${typeof (testNapi.testNapiWrap("tree"))}`);
-      expect(typeof (testNapi.testNapiWrap("tree"))).assertEqual('object');
+      let ret1 = ret.Tyof('');
+      hilog.info(0x0000, 'testTag', `type of ret.Tyof('') is = ${typeof (ret1)}`);
+      expect(ret1).assertEqual('string');
+
+      let ret2 = ret.Tyof(false);
+      hilog.info(0x0000, 'testTag', `type of ret.Tyof(false) is = ${typeof (ret2)}`);
+      expect(ret2).assertEqual('boolean');
+
+      let ret3 = ret.Tyof(3);
+      hilog.info(0x0000, 'testTag', `type of ret.Tyof(3) is = ${typeof (ret3)}`);
+      expect(ret3).assertEqual('number');
+
+      let ret4 = ret.Tyof(null);
+      hilog.info(0x0000, 'testTag', `type of ret.Tyof(null) is = ${typeof (ret4)}`);
+      expect(ret4).assertEqual('null');
+
+      let ret5 = ret.Tyof(undefined);
+      hilog.info(0x0000, 'testTag', `type of ret.Tyof(3) is = ${typeof (ret5)}`);
+      expect(ret5).assertEqual('undefined');
     })
 
     it('testNapiUnwrap', 0, () => {