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34 lines
1 KiB
C++
34 lines
1 KiB
C++
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// Copyright (c) 2019-2022 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_JSON_POINTER_HPP
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#define TAO_PEGTL_CONTRIB_JSON_POINTER_HPP
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#include "../ascii.hpp"
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#include "../config.hpp"
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#include "../rules.hpp"
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#include "../utf8.hpp"
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namespace TAO_PEGTL_NAMESPACE::json_pointer
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{
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// JSON pointer grammar according to RFC 6901
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// clang-format off
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struct unescaped : utf8::ranges< 0x0, 0x2E, 0x30, 0x7D, 0x7F, 0x10FFFF > {};
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struct escaped : seq< one< '~' >, one< '0', '1' > > {};
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struct reference_token : star< sor< unescaped, escaped > > {};
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struct json_pointer : star< one< '/' >, reference_token > {};
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// clang-format on
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// relative JSON pointer, see ...
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// clang-format off
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struct non_negative_integer : sor< one< '0' >, plus< digit > > {};
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struct relative_json_pointer : seq< non_negative_integer, sor< one< '#' >, json_pointer > > {};
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// clang-format on
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} // namespace TAO_PEGTL_NAMESPACE::json_pointer
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#endif
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