/*

Copyright (C) 2017-2026 Topological Manifold

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#pragma once

#include <cstddef>

#include <string>

namespace ns::text::unicode

{

template <typename T>

std::string utf32_to_number_string(T code_point);

std::string utf8_to_number_string(const std::string& s);

template <typename T>

std::string utf32_to_utf8(T code_point);

char32_t utf8_to_utf32(const std::string& s, std::size_t* i);

char32_t utf8_to_utf32(const std::string& s);

//

inline constexpr char32_t SPACE = 0x20;

inline constexpr char32_t REPLACEMENT_CHARACTER = 0xFFFD;

}