1/*
2 * Copyright (c) 2021 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 "applypatch/command_function.h"
17#include "command_process.h"
18
19namespace Updater {
20extern "C" __attribute__((constructor)) void RegistBlockUpdateCommandFunction(void)
21{
22    const std::unordered_map<std::string, std::function<std::unique_ptr<CommandFunction>()>> COMMANDFUNC = {
23        { "abort", []() { return std::make_unique<AbortCommandFn>(); } },
24        { "bsdiff", []() { return std::make_unique<DiffAndMoveCommandFn>(); } },
25        { "new", []() { return std::make_unique<NewCommandFn>(); } },
26        { "pkgdiff", []() { return std::make_unique<DiffAndMoveCommandFn>(); } },
27        { "zero", []() { return std::make_unique<ZeroAndEraseCommandFn>(); } },
28        { "erase", []() { return std::make_unique<ZeroAndEraseCommandFn>(); } },
29        { "free", []() { return std::make_unique<FreeCommandFn>(); } },
30        { "move", []() { return std::make_unique<DiffAndMoveCommandFn>(); } },
31        { "stash", []() { return std::make_unique<StashCommandFn>(); } }
32    };
33    for (auto &iter : COMMANDFUNC) {
34        CommandFunctionFactory::GetInstance().RegistCommandFunction(iter.first, iter.second());
35    }
36}
37
38CommandFunctionFactory &CommandFunctionFactory::GetInstance()
39{
40    static CommandFunctionFactory instance;
41    return instance;
42}
43
44CommandFunction* CommandFunctionFactory::GetCommandFunction(std::string command)
45{
46    auto iter = commandFunctionMap_.find(command);
47    if (iter != commandFunctionMap_.end()) {
48        return iter->second.get();
49    }
50    return nullptr;
51}
52
53void CommandFunctionFactory::RegistCommandFunction(std::string command,
54                                                   std::unique_ptr<CommandFunction> commandFunction)
55{
56    commandFunctionMap_.emplace(command, std::move(commandFunction));
57}
58}