1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <map> 20 #include <queue> 21 #include <string> 22 #include <variant> 23 #include <vector> 24 25 #include "builtins.h" 26 #include "keyword_map.h" 27 #include "result.h" 28 #include "subcontext.h" 29 30 namespace android { 31 namespace init { 32 33 Result<void> RunBuiltinFunction(const BuiltinFunction& function, 34 const std::vector<std::string>& args, const std::string& context); 35 36 class Command { 37 public: 38 Command(BuiltinFunction f, bool execute_in_subcontext, std::vector<std::string>&& args, 39 int line); 40 41 Result<void> InvokeFunc(Subcontext* subcontext) const; 42 std::string BuildCommandString() const; 43 Result<void> CheckCommand() const; 44 line()45 int line() const { return line_; } 46 47 private: 48 BuiltinFunction func_; 49 bool execute_in_subcontext_; 50 std::vector<std::string> args_; 51 int line_; 52 }; 53 54 using EventTrigger = std::string; 55 using PropertyChange = std::pair<std::string, std::string>; 56 using BuiltinAction = class Action*; 57 58 class Action { 59 public: 60 Action(bool oneshot, Subcontext* subcontext, const std::string& filename, int line, 61 const std::string& event_trigger, 62 const std::map<std::string, std::string>& property_triggers); 63 64 Result<void> AddCommand(std::vector<std::string>&& args, int line); 65 void AddCommand(BuiltinFunction f, std::vector<std::string>&& args, int line); 66 size_t NumCommands() const; 67 void ExecuteOneCommand(std::size_t command) const; 68 void ExecuteAllCommands() const; 69 bool CheckEvent(const EventTrigger& event_trigger) const; 70 bool CheckEvent(const PropertyChange& property_change) const; 71 bool CheckEvent(const BuiltinAction& builtin_action) const; 72 std::string BuildTriggersString() const; 73 void DumpState() const; 74 size_t CheckAllCommands() const; 75 oneshot()76 bool oneshot() const { return oneshot_; } filename()77 const std::string& filename() const { return filename_; } line()78 int line() const { return line_; } set_function_map(const BuiltinFunctionMap * function_map)79 static void set_function_map(const BuiltinFunctionMap* function_map) { 80 function_map_ = function_map; 81 } 82 83 private: 84 void ExecuteCommand(const Command& command) const; 85 bool CheckPropertyTriggers(const std::string& name = "", 86 const std::string& value = "") const; 87 88 std::map<std::string, std::string> property_triggers_; 89 std::string event_trigger_; 90 std::vector<Command> commands_; 91 bool oneshot_; 92 Subcontext* subcontext_; 93 std::string filename_; 94 int line_; 95 static const BuiltinFunctionMap* function_map_; 96 }; 97 98 } // namespace init 99 } // namespace android 100