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 * miscservices under the License is miscservices 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 "dump_helper.h"
17
18 #include <cstdio>
19
20 namespace OHOS {
21 namespace ScreenLock {
GetInstance()22 DumpHelper &DumpHelper::GetInstance()
23 {
24 static DumpHelper instance;
25 return instance;
26 }
27
RegisterCommand(std::shared_ptr<Command> & cmd)28 void DumpHelper::RegisterCommand(std::shared_ptr<Command> &cmd)
29 {
30 cmdHandler.insert(std::make_pair(cmd->GetOption(), cmd));
31 }
32
Dispatch(int fd,const std::vector<std::string> & args)33 bool DumpHelper::Dispatch(int fd, const std::vector<std::string> &args)
34 {
35 dprintf(fd, "\n---------------------------------\n");
36 if (args.empty() || args.at(0) == "-h") {
37 dprintf(fd, "\n%-15s %-20s", "Option", "Description");
38 for (auto &[key, handler] : cmdHandler) {
39 dprintf(fd, "\n%-15s: %-20s\n", handler->GetFormat().c_str(), handler->ShowHelp().c_str());
40 }
41 return false;
42 }
43
44 auto handler = cmdHandler.find(args.at(0));
45 if (handler != cmdHandler.end()) {
46 std::string output;
47 handler->second->DoAction(args, output);
48 dprintf(fd, "%s\n", output.c_str());
49 return true;
50 }
51 return false;
52 }
53 } // namespace ScreenLock
54 } // namespace OHOS
55