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91 lines
3.2 KiB
C++
Executable file
91 lines
3.2 KiB
C++
Executable file
// 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_JSON_HPP
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#define TAO_PEGTL_CONTRIB_JSON_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
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{
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// JSON grammar according to RFC 8259
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// clang-format off
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struct ws : one< ' ', '\t', '\n', '\r' > {};
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template< typename R, typename P = ws >
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struct padr : seq< R, star< P > > {};
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struct begin_array : padr< one< '[' > > {};
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struct begin_object : padr< one< '{' > > {};
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struct end_array : one< ']' > {};
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struct end_object : one< '}' > {};
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struct name_separator : pad< one< ':' >, ws > {};
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struct value_separator : padr< one< ',' > > {};
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struct false_ : string< 'f', 'a', 'l', 's', 'e' > {}; // NOLINT(readability-identifier-naming)
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struct null : string< 'n', 'u', 'l', 'l' > {};
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struct true_ : string< 't', 'r', 'u', 'e' > {}; // NOLINT(readability-identifier-naming)
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struct digits : plus< digit > {};
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struct exp : seq< one< 'e', 'E' >, opt< one< '-', '+'> >, digits > {};
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struct frac : seq< one< '.' >, digits > {};
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struct int_ : sor< one< '0' >, plus< digit > > {}; // NOLINT(readability-identifier-naming)
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struct number : seq< opt< one< '-' > >, int_, opt< frac >, opt< exp > > {};
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struct xdigit : pegtl::xdigit {};
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struct unicode : list< seq< one< 'u' >, rep< 4, xdigit > >, one< '\\' > > {};
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struct escaped_char : one< '"', '\\', '/', 'b', 'f', 'n', 'r', 't' > {};
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struct escaped : sor< escaped_char, unicode > {};
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struct unescaped : utf8::range< 0x20, 0x10FFFF > {};
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struct char_ : if_then_else< one< '\\' >, escaped, unescaped > {}; // NOLINT(readability-identifier-naming)
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struct string_content : until< at< one< '"' > >, char_ > {};
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struct string : seq< one< '"' >, string_content, any >
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{
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using content = string_content;
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};
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struct key_content : until< at< one< '"' > >, char_ > {};
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struct key : seq< one< '"' >, key_content, any >
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{
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using content = key_content;
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};
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struct value;
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struct array_element;
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struct next_array_element : seq< array_element > {};
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struct array_content : opt< array_element, star< value_separator, next_array_element > > {};
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struct array : seq< begin_array, array_content, end_array >
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{
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using begin = begin_array;
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using end = end_array;
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using element = array_element;
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using content = array_content;
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};
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struct member_value : padr< value > {};
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struct member : seq< key, name_separator, member_value > {};
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struct next_member : seq< member > {};
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struct object_content : opt< member, star< value_separator, next_member > > {};
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struct object : seq< begin_object, object_content, end_object >
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{
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using begin = begin_object;
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using end = end_object;
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using element = member;
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using content = object_content;
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};
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struct value : sor< string, number, object, array, false_, true_, null > {};
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struct array_element : padr< value > {};
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struct text : pad< value, ws > {};
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// clang-format on
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} // namespace TAO_PEGTL_NAMESPACE::json
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#endif
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