75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2017 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_UTF8_HPP
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#define CRUFT_UTIL_UTF8_HPP
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#include "./view.hpp"
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace util::utf8 {
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///////////////////////////////////////////////////////////////////////////
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using codepoint_t = uint32_t;
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constexpr codepoint_t MAX_CODEPOINT = 0x10FFFF;
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///////////////////////////////////////////////////////////////////////////
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std::vector<codepoint_t>
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decode (util::view<const std::byte*>);
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//-------------------------------------------------------------------------
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inline auto
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decode (util::view<const char*> data)
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{
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return decode ({
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reinterpret_cast<const std::byte*> (data.cbegin ()),
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reinterpret_cast<const std::byte*> (data.cend ())
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});
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}
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inline auto
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decode (util::view<const uint8_t*> data)
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{
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return decode ({
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reinterpret_cast<const char*> (data.cbegin ()),
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reinterpret_cast<const char*> (data.cend ())
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});
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}
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///////////////////////////////////////////////////////////////////////////
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std::vector<std::byte>
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encode (util::view<const char*>);
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///////////////////////////////////////////////////////////////////////////
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struct error : public std::exception {};
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struct malformed_error : public error { };
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struct illegal_codepoint : public malformed_error {};
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struct overlong_error : public error { };
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}
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#endif
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