parser.hpp

#pragma once
 
#include "terminalpp/core.hpp"
#include "terminalpp/token.hpp"
 
#include <optional>
#include <vector>
 
namespace terminalpp::detail {
 
class TERMINALPP_EXPORT parser
{
public:
    parser();
 
    std::optional<terminalpp::token> operator()(byte input);
 
private:
    enum class state
    {
        idle,
        cr,
        lf,
        escape,
        arguments,
        mouse0,
        mouse1,
        mouse2,
    };
 
    std::optional<terminalpp::token> parse_idle(byte input);
    std::optional<terminalpp::token> parse_cr(byte input);
    std::optional<terminalpp::token> parse_lf(byte input);
    std::optional<terminalpp::token> parse_escape(byte input);
    std::optional<terminalpp::token> parse_arguments(byte input);
    std::optional<terminalpp::token> parse_mouse0(byte input);
    std::optional<terminalpp::token> parse_mouse1(byte input);
    std::optional<terminalpp::token> parse_mouse2(byte input);
 
    state state_;
    byte initializer_;
    byte extender_;
    bool meta_;
    mouse::event_type mouse_event_type_;
    point mouse_coordinate_;
    byte_storage argument_;
    std::vector<byte_storage> arguments_;
};
 
}  // namespace terminalpp::detail