extraction_param.hpp

/*
 * Copyright (c) 2024 The RefValue Project
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
 
#pragma once
 
#include <cstddef>
#include <string_view>
#include <type_traits>
 
namespace essence::meta::detail {
    inline constexpr auto default_extra_size_func = []([[maybe_unused]] std::string_view str,
                                                        [[maybe_unused]] std::size_t prefix_size) -> std::size_t {
        return {};
    };
 
    template <typename Callable = decltype(default_extra_size_func)>
        requires std::is_invocable_r_v<std::size_t, Callable, std::string_view, std::size_t>
    struct extraction_param {
        using extra_size_func_type = Callable;
 
        bool preview_first_character{};
        bool ensure_correctness{true};
        std::size_t suffix_size{};
        Callable extra_size_func{default_extra_size_func};
    };
} // namespace essence::meta::detail