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 #include "napi_util.h"
17
18 #include "napi/native_api.h"
19 #include "napi/native_node_api.h"
20 #include "hilog/log.h"
21
22 namespace OHOS {
23 namespace HiviewDFX {
24 namespace {
25 #undef LOG_DOMAIN
26 #define LOG_DOMAIN 0xD002D0A
27 #undef LOG_TAG
28 #define LOG_TAG "NapiUtil"
29 constexpr int ONE_VALUE_LIMIT = 1;
30 const std::string DEFAULT_FILENAME = "undefined";
31 }
32
CreateErrorMessage(napi_env env,const std::string & msg)33 napi_value CreateErrorMessage(napi_env env, const std::string& msg)
34 {
35 napi_value result = nullptr;
36 napi_value message = nullptr;
37 napi_create_string_utf8(env, msg.data(), msg.size(), &message);
38 napi_create_error(env, nullptr, message, &result);
39 return result;
40 }
41
CreateErrorMessage(napi_env env,const std::string & errCode,const std::string & msg)42 napi_value CreateErrorMessage(napi_env env, const std::string& errCode, const std::string& msg)
43 {
44 napi_value result = nullptr;
45 napi_value message = nullptr;
46 napi_value code = nullptr;
47 napi_create_string_utf8(env, errCode.data(), errCode.size(), &code);
48 napi_create_string_utf8(env, msg.data(), msg.size(), &message);
49 napi_create_error(env, code, message, &result);
50 return result;
51 }
52
CreateUndefined(napi_env env)53 napi_value CreateUndefined(napi_env env)
54 {
55 napi_value res = nullptr;
56 napi_get_undefined(env, &res);
57 return res;
58 }
59
MatchValueType(napi_env env,napi_value value,napi_valuetype targetType)60 bool MatchValueType(napi_env env, napi_value value, napi_valuetype targetType)
61 {
62 napi_valuetype valueType = napi_undefined;
63 if (napi_typeof(env, value, &valueType) != napi_ok) {
64 return false;
65 }
66 return valueType == targetType;
67 }
68
GetNapiArrayLength(napi_env env,napi_value value,uint32_t & ret)69 bool GetNapiArrayLength(napi_env env, napi_value value, uint32_t& ret)
70 {
71 bool isArray = false;
72 if (napi_is_array(env, value, &isArray) != napi_ok || !isArray) {
73 return false;
74 }
75 return napi_get_array_length(env, value, &ret) == napi_ok;
76 }
77
GetNapiInt32Value(napi_env env,napi_value value,int32_t & ret)78 bool GetNapiInt32Value(napi_env env, napi_value value, int32_t& ret)
79 {
80 if (MatchValueType(env, value, napi_number)) {
81 return napi_get_value_int32(env, value, &ret) == napi_ok;
82 }
83 return false;
84 }
85
GetNapiUint32Value(napi_env env,napi_value value,uint32_t & ret)86 bool GetNapiUint32Value(napi_env env, napi_value value, uint32_t& ret)
87 {
88 if (MatchValueType(env, value, napi_number)) {
89 return napi_get_value_uint32(env, value, &ret) == napi_ok;
90 }
91 return false;
92 }
93
GetNapiDoubleValue(napi_env env,napi_value value,double & ret)94 bool GetNapiDoubleValue(napi_env env, napi_value value, double& ret)
95 {
96 if (MatchValueType(env, value, napi_number)) {
97 return napi_get_value_double(env, value, &ret) == napi_ok;
98 }
99 return false;
100 }
101
GetNapiBoolValue(napi_env env,napi_value value,bool & ret)102 bool GetNapiBoolValue(napi_env env, napi_value value, bool& ret)
103 {
104 if (MatchValueType(env, value, napi_boolean)) {
105 return napi_get_value_bool(env, value, &ret) == napi_ok;
106 }
107 return false;
108 }
109
GetNapiStringValue(napi_env env,napi_value value,std::string & ret,size_t maxSize)110 bool GetNapiStringValue(napi_env env, napi_value value, std::string& ret, size_t maxSize)
111 {
112 if (!MatchValueType(env, value, napi_string)) {
113 HILOG_ERROR(LOG_CORE, "Type error, should be string type!");
114 return false;
115 }
116 size_t bufLen = 0;
117 napi_status status = napi_get_value_string_utf8(env, value, nullptr, 0, &bufLen);
118 if (status != napi_ok) {
119 HILOG_ERROR(LOG_CORE, "Get input filename param length failed.");
120 return false;
121 }
122 if (bufLen > maxSize || bufLen == 0) {
123 HILOG_ERROR(LOG_CORE, "input filename param length is illegal.");
124 return false;
125 }
126 ret = std::string(bufLen, '\0');
127 return napi_get_value_string_utf8(env, value, &ret[0], bufLen + 1, &bufLen) == napi_ok;
128 }
129
GetNapiObjectProperty(napi_env env,napi_value value,const std::string & propertyName,napi_value & ret)130 bool GetNapiObjectProperty(napi_env env, napi_value value, const std::string& propertyName, napi_value& ret)
131 {
132 bool hasProperty = false;
133 if (napi_has_named_property(env, value, propertyName.c_str(), &hasProperty) != napi_ok || !hasProperty) {
134 return false;
135 }
136 return napi_get_named_property(env, value, propertyName.c_str(), &ret) == napi_ok;
137 };
138
GetTheOnlyStringParam(napi_env env,napi_callback_info info,std::string & fileName)139 bool GetTheOnlyStringParam(napi_env env, napi_callback_info info, std::string &fileName)
140 {
141 size_t argc = ONE_VALUE_LIMIT;
142 napi_value argv = nullptr;
143 napi_value thisVar = nullptr;
144 void *data = nullptr;
145 napi_get_cb_info(env, info, &argc, &argv, &thisVar, &data);
146 if (argc != ONE_VALUE_LIMIT) {
147 HILOG_ERROR(LOG_CORE, "invalid number = %{public}d of params.", ONE_VALUE_LIMIT);
148 return false;
149 }
150 constexpr int paramLen = 128;
151 return GetNapiStringValue(env, argv, fileName, paramLen);
152 }
153
GetFileNameParam(napi_env env,napi_callback_info info)154 std::string GetFileNameParam(napi_env env, napi_callback_info info)
155 {
156 std::string fileName;
157 if (!GetTheOnlyStringParam(env, info, fileName)) {
158 return DEFAULT_FILENAME;
159 }
160 return fileName;
161 }
162
CreatePromise(napi_env env,napi_value & promise)163 bool AsyncTask::CreatePromise(napi_env env, napi_value &promise)
164 {
165 if (napi_create_promise(env, &deferred_, &promise) != napi_ok) {
166 return false;
167 }
168 napi_value resourceName;
169 if (napi_create_string_utf8(env, resourceName_.c_str(), resourceName_.size(), &resourceName) != napi_ok) {
170 return false;
171 };
172 if (napi_create_async_work(env, nullptr, resourceName, ExecuteCallBack, CompletedCallBack,
173 static_cast<void *>(this), &worker_) != napi_ok) {
174 return false;
175 }
176 return napi_queue_async_work(env, worker_) == napi_ok;
177 }
178
ExecuteCallBack(napi_env env,void * data)179 void AsyncTask::ExecuteCallBack(napi_env env, void* data)
180 {
181 auto asyncTaskPtr = reinterpret_cast<AsyncTask *>(data);
182 asyncTaskPtr->Work(env);
183 }
184
CompletedCallBack(napi_env env,napi_status status,void * data)185 void AsyncTask::CompletedCallBack(napi_env env, napi_status status, void* data)
186 {
187 auto asyncTaskPtr = reinterpret_cast<AsyncTask *>(data);
188 asyncTaskPtr->Done(env, status);
189 napi_delete_async_work(env, asyncTaskPtr->worker_);
190 delete asyncTaskPtr;
191 }
192 } // namespace HiviewDFX
193 } // namespace OHOS