libcruft-util/utf8.hpp

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
* Copyright 2017 Danny Robson <danny@nerdcruft.net>
*/
#ifndef CRUFT_UTIL_UTF8_HPP
#define CRUFT_UTIL_UTF8_HPP
#include "./view.hpp"
#include <cstddef>
#include <cstdint>
#include <vector>
namespace cruft::utf8 {
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///////////////////////////////////////////////////////////////////////////
using codepoint_t = uint32_t;
///////////////////////////////////////////////////////////////////////////
std::vector<codepoint_t>
decode (cruft::view<const std::byte*>);
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//-------------------------------------------------------------------------
inline auto
decode (cruft::view<const char*> data)
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{
return decode ({
reinterpret_cast<const std::byte*> (data.cbegin ()),
reinterpret_cast<const std::byte*> (data.cend ())
});
}
inline auto
decode (cruft::view<const uint8_t*> data)
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{
return decode ({
reinterpret_cast<const char*> (data.cbegin ()),
reinterpret_cast<const char*> (data.cend ())
});
}
///////////////////////////////////////////////////////////////////////////
std::vector<std::byte>
encode (cruft::view<const char*>);
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///////////////////////////////////////////////////////////////////////////
struct error : public std::exception {};
struct malformed_error : public error { };
struct illegal_codepoint : public malformed_error {};
struct overlong_error : public error { };
}
#endif