xbot/snote_thread.hpp

#pragma once

#include "thread.hpp"

#include <hs.h>

#include <memory>

class Connection;

enum class SnoteTag
{
    ClientConnecting,
    ClientExiting,
};

struct SnoteEvent : Event
{
    SnoteEvent(SnoteTag tag, std::vector<std::string_view> parts)
    : tag{tag}
    , parts{std::move(parts)}
    {}

    SnoteTag tag;
    std::vector<std::string_view> parts;
};

struct SnoteThread
{
    struct DbDeleter
    {
        auto operator()(hs_database_t * db) const -> void
        {
            if (HS_SUCCESS != hs_free_database(db))
            {
                abort();
            }
        }
    };

    struct ScratchDeleter
    {
        auto operator()(hs_scratch_t * scratch) const -> void
        {
            if (HS_SUCCESS != hs_free_scratch(scratch))
            {
                abort();
            }
        }
    };

    std::unique_ptr<hs_database_t, DbDeleter> db_;
    std::unique_ptr<hs_scratch_t, ScratchDeleter> scratch_;

    static auto start(Connection& connection) -> std::shared_ptr<SnoteThread>;
};