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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
//
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// TypedDynamicMachine.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 24/11/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "MachineForTarget.hpp"
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#include <memory>
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namespace Machine {
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template<typename T> class TypedDynamicMachine: public ::Machine::DynamicMachine {
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public:
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TypedDynamicMachine(std::unique_ptr<T> &&machine) : machine_(std::move(machine)) {}
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T *get() { return machine_.get(); }
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TypedDynamicMachine() : TypedDynamicMachine(nullptr) {}
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TypedDynamicMachine(TypedDynamicMachine &&rhs) : machine_(std::move(rhs.machine_)) {}
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TypedDynamicMachine &operator=(TypedDynamicMachine &&rhs) {
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machine_ = std::move(rhs.machine_);
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return *this;
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}
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#define Provide(type, name) \
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type *name() final { \
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return get<type>(); \
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}
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Provide(Activity::Source, activity_source)
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Provide(Configurable::Device, configurable_device)
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Provide(MachineTypes::TimedMachine, timed_machine)
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Provide(MachineTypes::ScanProducer, scan_producer)
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Provide(MachineTypes::AudioProducer, audio_producer)
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Provide(MachineTypes::JoystickMachine, joystick_machine)
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Provide(MachineTypes::KeyboardMachine, keyboard_machine)
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Provide(MachineTypes::MouseMachine, mouse_machine)
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Provide(MachineTypes::MediaTarget, media_target)
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#undef Provide
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void *raw_pointer() final {
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return get();
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}
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private:
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template <typename Class> Class *get() {
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return dynamic_cast<Class *>(machine_.get());
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// Note to self: the below is not [currently] used
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// because in practice TypedDynamicMachine is instantiated
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// with an abstract parent of the actual class.
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//
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// TODO: rethink type hiding here. I think I've boxed myself
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// into an uncomfortable corner.
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// if constexpr (std::is_base_of_v<Class, T>) {
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// return static_cast<Class *>(machine_.get());
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// } else {
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// return nullptr;
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// }
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}
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std::unique_ptr<T> machine_;
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};
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}
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