banan-os/kernel/include/kernel/Shell.h

39 lines
763 B
C++

#pragma once
#include <BAN/String.h>
#include <BAN/Vector.h>
#include <kernel/Input/KeyEvent.h>
namespace Kernel
{
class Shell
{
public:
Shell();
Shell(const Shell&) = delete;
BAN::ErrorOr<void> set_prompt(BAN::StringView);
void run();
private:
void rerender_buffer() const;
BAN::Vector<BAN::String> parse_arguments(BAN::StringView) const;
BAN::ErrorOr<void> process_command(const BAN::Vector<BAN::String>&);
BAN::ErrorOr<void> update_prompt();
private:
BAN::Vector<BAN::String> m_old_buffer;
BAN::Vector<BAN::String> m_buffer;
BAN::String m_prompt_string;
BAN::String m_prompt;
uint32_t m_prompt_length = 0;
struct
{
uint32_t line = 0;
uint32_t col = 0;
uint32_t index = 0;
} m_cursor_pos;
};
}