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_func_arg.h"
17
18 #include "app_log_wrapper.h"
19
20 namespace OHOS {
21 namespace AppExecFwk {
22 namespace LIBZIP {
23
NapiFuncArg(napi_env env,napi_callback_info info)24 NapiFuncArg::NapiFuncArg(napi_env env, napi_callback_info info) : env_(env), info_(info)
25 {}
26
~NapiFuncArg()27 NapiFuncArg::~NapiFuncArg()
28 {}
29
SetArgc(size_t argc)30 void NapiFuncArg::SetArgc(size_t argc)
31 {
32 argc_ = argc;
33 }
34
SetThisVar(napi_value thisVar)35 void NapiFuncArg::SetThisVar(napi_value thisVar)
36 {
37 thisVar_ = thisVar;
38 }
39
GetArgc(void) const40 size_t NapiFuncArg::GetArgc(void) const
41 {
42 return argc_;
43 }
44
GetThisVar(void) const45 napi_value NapiFuncArg::GetThisVar(void) const
46 {
47 return thisVar_;
48 }
49
GetArg(size_t argPos) const50 napi_value NapiFuncArg::GetArg(size_t argPos) const
51 {
52 return (argPos < GetArgc()) ? argv_[argPos] : nullptr;
53 }
54
operator [](size_t argPos) const55 napi_value NapiFuncArg::operator[](size_t argPos) const
56 {
57 return GetArg(argPos);
58 }
59
InitArgs(std::function<bool ()> argcChecker)60 bool NapiFuncArg::InitArgs(std::function<bool()> argcChecker)
61 {
62 SetArgc(0);
63 argv_.reset();
64 size_t argc;
65 napi_value thisVar;
66 napi_status status = napi_get_cb_info(env_, info_, &argc, nullptr, &thisVar, nullptr);
67 if (status != napi_ok) {
68 APP_LOGE("Cannot get num of func args for %{public}d", status);
69 return false;
70 }
71
72 if (argc) {
73 argv_ = std::make_unique<napi_value[]>(argc);
74 status = napi_get_cb_info(env_, info_, &argc, argv_.get(), &thisVar, nullptr);
75 if (status != napi_ok) {
76 APP_LOGE("Cannot get func args for %{public}d", status);
77 return false;
78 }
79 }
80
81 SetArgc(argc);
82 SetThisVar(thisVar);
83 return argcChecker();
84 }
85
InitArgs(size_t argc)86 bool NapiFuncArg::InitArgs(size_t argc)
87 {
88 return InitArgs([argc, this]() {
89 size_t realArgc = GetArgc();
90 if (argc != realArgc) {
91 APP_LOGE("Num of args recved eq %zu while expecting %{public}zu", realArgc, argc);
92 return false;
93 }
94 return true;
95 });
96 }
97
InitArgs(size_t minArgc,size_t maxArgc)98 bool NapiFuncArg::InitArgs(size_t minArgc, size_t maxArgc)
99 {
100 return InitArgs([minArgc, maxArgc, this]() {
101 size_t realArgc = GetArgc();
102 if (minArgc > realArgc || maxArgc < realArgc) {
103 APP_LOGE("Num of args recved eq %zu while expecting %{public}zu ~ %{public}zu", realArgc, minArgc, maxArgc);
104 return false;
105 }
106 return true;
107 });
108 }
109 } // namespace LIBZIP
110 } // namespace AppExecFwk
111 } // namespace OHOS