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
16 #include "shell_command.h"
17
18 #include <getopt.h>
19 #include "app_log_wrapper.h"
20
21 namespace OHOS {
22 namespace AppExecFwk {
23
ShellCommand(int argc,char * argv[],std::string name)24 ShellCommand::ShellCommand(int argc, char *argv[], std::string name)
25 {
26 opterr = 0;
27 argc_ = argc;
28 argv_ = argv;
29 name_ = name;
30
31 if (argc < MIN_ARGUMENT_NUMBER) {
32 cmd_ = "help";
33 return;
34 }
35 cmd_ = argv[1];
36 for (int i = 2; i < argc; i++) {
37 argList_.push_back(argv[i]);
38 }
39 }
40
~ShellCommand()41 ShellCommand::~ShellCommand()
42 {}
43
OnCommand()44 ErrCode ShellCommand::OnCommand()
45 {
46 int result = OHOS::ERR_OK;
47
48 auto respond = commandMap_[cmd_];
49 if (respond == nullptr) {
50 resultReceiver_.append(GetCommandErrorMsg());
51 respond = commandMap_["help"];
52 }
53
54 if (Init() == OHOS::ERR_OK) {
55 respond();
56 } else {
57 result = OHOS::ERR_INVALID_VALUE;
58 }
59
60 return result;
61 }
62
ExecCommand()63 std::string ShellCommand::ExecCommand()
64 {
65 int result = CreateCommandMap();
66 if (result != OHOS::ERR_OK) {
67 APP_LOGE("failed to create command map.\n");
68 }
69
70 result = CreateMessageMap();
71 if (result != OHOS::ERR_OK) {
72 APP_LOGE("failed to create message map.\n");
73 }
74
75 result = OnCommand();
76 if (result != OHOS::ERR_OK) {
77 APP_LOGE("failed to execute your command.\n");
78
79 resultReceiver_ = "error: failed to execute your command.\n";
80 }
81
82 return resultReceiver_;
83 }
84
GetCommandErrorMsg() const85 std::string ShellCommand::GetCommandErrorMsg() const
86 {
87 std::string commandErrorMsg =
88 name_ + ": '" + cmd_ + "' is not a valid " + name_ + " command. See '" + name_ + " help'.\n";
89
90 return commandErrorMsg;
91 }
92
GetUnknownOptionMsg(std::string & unknownOption) const93 std::string ShellCommand::GetUnknownOptionMsg(std::string &unknownOption) const
94 {
95 std::string result = "";
96
97 if (optind < 0 || optind > argc_) {
98 return result;
99 }
100
101 result.append("error: unknown option");
102 result.append(".\n");
103
104 return result;
105 }
106
GetMessageFromCode(const int32_t code) const107 std::string ShellCommand::GetMessageFromCode(const int32_t code) const
108 {
109 APP_LOGI("[%{public}s(%{public}s)] enter", __FILE__, __FUNCTION__);
110 APP_LOGI("code = %{public}d", code);
111
112 std::string result = "";
113 if (messageMap_.find(code) != messageMap_.end()) {
114 std::string message = messageMap_.at(code);
115 if (message.size() != 0) {
116 result.append(STRING_CODE + std::to_string(code) + "\n");
117 result.append(message + "\n");
118 }
119 }
120
121 APP_LOGI("result = %{public}s", result.c_str());
122
123 return result;
124 }
125
126 } // namespace AppExecFwk
127 } // namespace OHOS