1 /*
2 * Copyright (c) 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 #include "napi_zlib_common.h"
16
17 #include "securec.h"
18
19 namespace OHOS {
20 namespace AppExecFwk {
21 namespace LIBZIP {
22 namespace {
23 const int E_OK = 0;
24 }
25
IsTypeForNapiValue(napi_env env,napi_value param,napi_valuetype expectType)26 bool IsTypeForNapiValue(napi_env env, napi_value param, napi_valuetype expectType)
27 {
28 napi_valuetype valueType = napi_undefined;
29
30 if (napi_typeof(env, param, &valueType) != napi_ok) {
31 return false;
32 }
33
34 return valueType == expectType;
35 }
36
UnwrapStringFromJS(napi_env env,napi_value param,const std::string & defaultValue)37 std::string UnwrapStringFromJS(napi_env env, napi_value param, const std::string &defaultValue)
38 {
39 size_t size = 0;
40 if (napi_get_value_string_utf8(env, param, nullptr, 0, &size) != napi_ok) {
41 return defaultValue;
42 }
43
44 std::string value("");
45 if (size == 0) {
46 return defaultValue;
47 }
48
49 char *buf = new (std::nothrow) char[size + 1];
50 if (buf == nullptr) {
51 return value;
52 }
53 if (memset_s(buf, size + 1, 0, size + 1) != E_OK) {
54 delete[] buf;
55 buf = nullptr;
56 return nullptr;
57 }
58
59 bool rev = napi_get_value_string_utf8(env, param, buf, size + 1, &size) == napi_ok;
60 if (rev) {
61 value = buf;
62 } else {
63 value = defaultValue;
64 }
65
66 delete[] buf;
67 buf = nullptr;
68 return value;
69 }
70
UnwrapIntValue(napi_env env,napi_value jsValue,int & result)71 bool UnwrapIntValue(napi_env env, napi_value jsValue, int &result)
72 {
73 napi_valuetype jsValueType = napi_undefined;
74 NAPI_CALL_BASE(env, napi_typeof(env, jsValue, &jsValueType), false);
75 if (jsValueType != napi_number) {
76 return false;
77 }
78 int32_t natValue32 = 0;
79 NAPI_CALL_BASE(env, napi_get_value_int32(env, jsValue, &natValue32), false);
80 result = static_cast<int>(natValue32);
81 return true;
82 }
GetCallbackErrorValue(napi_env env,int errCode)83 napi_value GetCallbackErrorValue(napi_env env, int errCode)
84 {
85 napi_value jsObject = nullptr;
86 napi_value jsValue = nullptr;
87 NAPI_CALL(env, napi_create_int32(env, errCode, &jsValue));
88 NAPI_CALL(env, napi_create_object(env, &jsObject));
89 NAPI_CALL(env, napi_set_named_property(env, jsObject, "code", jsValue));
90 return jsObject;
91 }
92
SetNamedProperty(napi_env env,napi_value obj,const char * propName,const int propValue)93 void SetNamedProperty(napi_env env, napi_value obj, const char *propName, const int propValue)
94 {
95 napi_value prop = nullptr;
96 napi_create_int32(env, propValue, &prop);
97 napi_set_named_property(env, obj, propName, prop);
98 }
99 } // namespace LIBZIP
100 } // namespace AppExecFwk
101 } // namespace OHOS