src/interfaces/input.hpp


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#pragma once

#include "interfaces/publisher.hpp"
#include "interfaces/subscriber.hpp"

#include <cstddef>
#include <memory>

// NOLINTNEXTLINE(cppcoreguidelines-special-member-functions)
class IInputHandler : public IPublisher<char, std::nullptr_t>
{
public:
	using Event = char;
	using Context = std::nullptr_t;

	~IInputHandler() noexcept override = default;

	virtual void listen() const noexcept = 0;

	void subscribe(
		const Event &event,
		const std::shared_ptr<ISubscriber<Context>> &subscriber
	) noexcept override = 0;

	void notify_subscribers(const Event &event, const Context &context)
		const noexcept override = 0;

	virtual void enter_raw_mode() noexcept = 0;

	virtual void leave_raw_mode() noexcept = 0;
};