bbcbc2ffb3
Now that Result<T> is actually expected<T, ...>, and the expected proposal states expected<void, ...> as the way to indicate an expected object that returns either successfully with no object or an error, let's move init's Result<Success> to the preferred Result<void>. Bug: 132145659 Test: boot, init unit tests Change-Id: Ib2f98396d8e6e274f95a496fcdfd8341f77585ee
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _INIT_ACTION_H
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#define _INIT_ACTION_H
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#include <map>
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#include <queue>
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#include <string>
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#include <variant>
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#include <vector>
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#include "builtins.h"
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#include "keyword_map.h"
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#include "result.h"
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#include "subcontext.h"
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namespace android {
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namespace init {
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Result<void> RunBuiltinFunction(const BuiltinFunction& function,
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const std::vector<std::string>& args, const std::string& context);
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class Command {
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public:
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Command(BuiltinFunction f, bool execute_in_subcontext, std::vector<std::string>&& args,
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int line);
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Result<void> InvokeFunc(Subcontext* subcontext) const;
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std::string BuildCommandString() const;
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int line() const { return line_; }
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private:
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BuiltinFunction func_;
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bool execute_in_subcontext_;
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std::vector<std::string> args_;
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int line_;
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};
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using EventTrigger = std::string;
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using PropertyChange = std::pair<std::string, std::string>;
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using BuiltinAction = class Action*;
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class Action {
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public:
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Action(bool oneshot, Subcontext* subcontext, const std::string& filename, int line,
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const std::string& event_trigger,
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const std::map<std::string, std::string>& property_triggers);
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Result<void> AddCommand(std::vector<std::string>&& args, int line);
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void AddCommand(BuiltinFunction f, std::vector<std::string>&& args, int line);
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std::size_t NumCommands() const;
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void ExecuteOneCommand(std::size_t command) const;
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void ExecuteAllCommands() const;
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bool CheckEvent(const EventTrigger& event_trigger) const;
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bool CheckEvent(const PropertyChange& property_change) const;
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bool CheckEvent(const BuiltinAction& builtin_action) const;
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std::string BuildTriggersString() const;
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void DumpState() const;
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bool oneshot() const { return oneshot_; }
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const std::string& filename() const { return filename_; }
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int line() const { return line_; }
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static void set_function_map(const KeywordFunctionMap* function_map) {
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function_map_ = function_map;
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}
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private:
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void ExecuteCommand(const Command& command) const;
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bool CheckPropertyTriggers(const std::string& name = "",
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const std::string& value = "") const;
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std::map<std::string, std::string> property_triggers_;
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std::string event_trigger_;
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std::vector<Command> commands_;
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bool oneshot_;
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Subcontext* subcontext_;
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std::string filename_;
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int line_;
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static const KeywordFunctionMap* function_map_;
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};
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} // namespace init
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} // namespace android
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#endif
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