ladybird/Kernel/Console.h
Andreas Kling 022f7790db Use modern C++ attributes instead of __attribute__ voodoo.
This is quite nice, although I wish [[gnu::always_inline]] implied inline.
Also "gnu::" is kind of a wart, but whatcha gonna do.
2019-02-15 12:30:48 +01:00

38 lines
1.1 KiB
C++

#pragma once
#include <AK/CircularQueue.h>
#include <AK/Vector.h>
#include <Kernel/CharacterDevice.h>
class ConsoleImplementation {
public:
virtual ~ConsoleImplementation();
virtual void on_sysconsole_receive(byte) = 0;
};
class Console final : public CharacterDevice {
AK_MAKE_ETERNAL
public:
static Console& the();
Console();
virtual ~Console() override;
// ^CharacterDevice
virtual bool can_read(Process&) const override;
virtual bool can_write(Process&) const override { return true; }
virtual ssize_t read(Process&, byte* buffer, size_t size) override;
virtual ssize_t write(Process&, const byte* data, size_t size) override;
virtual const char* class_name() const override { return "Console"; }
void set_implementation(ConsoleImplementation* implementation) { m_implementation = implementation; }
void put_char(char);
const CircularQueue<char, 16384>& logbuffer() const { return m_logbuffer; }
private:
ConsoleImplementation* m_implementation { nullptr };
CircularQueue<char, 16384> m_logbuffer;
};