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58 lines
2.9 KiB
C++
58 lines
2.9 KiB
C++
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// Copyright (c) 2014-2022 Dr. Colin Hirsch and Daniel Frey
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// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
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#ifndef TAO_PEGTL_CONTRIB_UTF32_HPP
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#define TAO_PEGTL_CONTRIB_UTF32_HPP
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#include "../config.hpp"
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#include "../internal/result_on_found.hpp"
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#include "../internal/rules.hpp"
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#include "internal/peek_utf32.hpp"
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namespace TAO_PEGTL_NAMESPACE
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{
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namespace utf32_be
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{
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// clang-format off
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struct any : internal::any< internal::peek_utf32_be > {};
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struct bom : internal::one< internal::result_on_found::success, internal::peek_utf32_be, 0xfeff > {};
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template< char32_t... Cs > struct not_one : internal::one< internal::result_on_found::failure, internal::peek_utf32_be, Cs... > {};
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template< char32_t Lo, char32_t Hi > struct not_range : internal::range< internal::result_on_found::failure, internal::peek_utf32_be, Lo, Hi > {};
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template< char32_t... Cs > struct one : internal::one< internal::result_on_found::success, internal::peek_utf32_be, Cs... > {};
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template< char32_t Lo, char32_t Hi > struct range : internal::range< internal::result_on_found::success, internal::peek_utf32_be, Lo, Hi > {};
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template< char32_t... Cs > struct ranges : internal::ranges< internal::peek_utf32_be, Cs... > {};
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template< char32_t... Cs > struct string : internal::seq< internal::one< internal::result_on_found::success, internal::peek_utf32_be, Cs >... > {};
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// clang-format on
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} // namespace utf32_be
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namespace utf32_le
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{
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// clang-format off
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struct any : internal::any< internal::peek_utf32_le > {};
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struct bom : internal::one< internal::result_on_found::success, internal::peek_utf32_le, 0xfeff > {};
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template< char32_t... Cs > struct not_one : internal::one< internal::result_on_found::failure, internal::peek_utf32_le, Cs... > {};
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template< char32_t Lo, char32_t Hi > struct not_range : internal::range< internal::result_on_found::failure, internal::peek_utf32_le, Lo, Hi > {};
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template< char32_t... Cs > struct one : internal::one< internal::result_on_found::success, internal::peek_utf32_le, Cs... > {};
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template< char32_t Lo, char32_t Hi > struct range : internal::range< internal::result_on_found::success, internal::peek_utf32_le, Lo, Hi > {};
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template< char32_t... Cs > struct ranges : internal::ranges< internal::peek_utf32_le, Cs... > {};
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template< char32_t... Cs > struct string : internal::seq< internal::one< internal::result_on_found::success, internal::peek_utf32_le, Cs >... > {};
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// clang-format on
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} // namespace utf32_le
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#if defined( _WIN32 ) && !defined( __MINGW32__ ) && !defined( __CYGWIN__ )
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namespace utf32 = utf32_le;
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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namespace utf32 = utf32_le;
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#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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namespace utf32 = utf32_be;
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#else
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#error Unknown endianness.
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#endif
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} // namespace TAO_PEGTL_NAMESPACE
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#endif
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