1 /*
2 * Copyright (c) 2021-2022 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_utils.h"
17 #include "power_log.h"
18
19 namespace OHOS {
20 namespace PowerMgr {
21 namespace {
22 constexpr uint32_t MAX_SIZE = 255;
23 }
GetCallbackInfo(napi_env & env,napi_callback_info & info,size_t & argc,napi_value argv[])24 napi_value NapiUtils::GetCallbackInfo(napi_env& env, napi_callback_info& info, size_t& argc, napi_value argv[])
25 {
26 napi_value thisVar = nullptr;
27 void* data = nullptr;
28 if (napi_ok != napi_get_cb_info(env, info, &argc, argv, &thisVar, &data)) {
29 POWER_HILOGW(COMP_FWK, "Failed to get the input parameter");
30 }
31 return thisVar;
32 }
33
GetStringFromNapi(napi_env & env,napi_value & napiStr)34 std::string NapiUtils::GetStringFromNapi(napi_env& env, napi_value& napiStr)
35 {
36 char str[MAX_SIZE] = {0};
37 size_t strLen;
38 if (napi_ok != napi_get_value_string_utf8(env, napiStr, str, MAX_SIZE - 1, &strLen)) {
39 POWER_HILOGW(COMP_FWK, "napi_get_value_string_utf8 failed");
40 return "";
41 }
42 return std::string(str);
43 }
44
CreateReference(napi_env & env,napi_value & value)45 napi_ref NapiUtils::CreateReference(napi_env& env, napi_value& value)
46 {
47 napi_ref refVal = nullptr;
48 if (napi_ok != napi_create_reference(env, value, 1, &refVal)) {
49 POWER_HILOGW(COMP_FWK, "Failed to create a value reference");
50 return refVal;
51 }
52 return refVal;
53 }
54
ReleaseReference(napi_env & env,napi_ref & ref)55 void NapiUtils::ReleaseReference(napi_env& env, napi_ref& ref)
56 {
57 if (ref != nullptr) {
58 napi_delete_reference(env, ref);
59 ref = nullptr;
60 }
61 }
62
CheckValueType(napi_env & env,napi_value & value,napi_valuetype checkType)63 bool NapiUtils::CheckValueType(napi_env& env, napi_value& value, napi_valuetype checkType)
64 {
65 napi_valuetype valueType = napi_undefined;
66 napi_typeof(env, value, &valueType);
67 if (valueType != checkType) {
68 POWER_HILOGW(COMP_FWK, "Parameter type error");
69 return false;
70 }
71 return true;
72 }
73 } // namespace PowerMgr
74 } // namespace OHOS
75