libs/url/src/rfc/detail/fragment_part_rule.hpp
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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/boostorg/url | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_URL_RFC_DETAIL_FRAGMENT_PART_RULE_HPP | ||
| 11 | #define BOOST_URL_RFC_DETAIL_FRAGMENT_PART_RULE_HPP | ||
| 12 | |||
| 13 | #include "boost/url/rfc/pct_encoded_rule.hpp" | ||
| 14 | #include "charsets.hpp" | ||
| 15 | #include "boost/url/grammar/parse.hpp" | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace urls { | ||
| 19 | namespace detail { | ||
| 20 | |||
| 21 | /** Rule for fragment-part | ||
| 22 | |||
| 23 | @par BNF | ||
| 24 | @code | ||
| 25 | fragment-part = [ "#" fragment ] | ||
| 26 | |||
| 27 | fragment = *( pchar / "/" / "?" ) | ||
| 28 | @endcode | ||
| 29 | |||
| 30 | @par Specification | ||
| 31 | @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.5" | ||
| 32 | >3.5. Fragment (rfc3986)</a> | ||
| 33 | */ | ||
| 34 | struct fragment_part_rule_t | ||
| 35 | { | ||
| 36 | struct value_type | ||
| 37 | { | ||
| 38 | pct_string_view fragment; | ||
| 39 | bool has_fragment = false; | ||
| 40 | }; | ||
| 41 | |||
| 42 | system::result<value_type> | ||
| 43 | 3557 | parse( | |
| 44 | char const*& it, | ||
| 45 | char const* end | ||
| 46 | ) const noexcept | ||
| 47 | { | ||
| 48 |
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3557 | if( it == end || |
| 49 |
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391 | *it != '#') |
| 50 | 3338 | return {}; | |
| 51 | 219 | ++it; | |
| 52 | 219 | auto rv = grammar::parse( | |
| 53 | 219 | it, end, pct_encoded_rule( | |
| 54 | fragment_chars)); | ||
| 55 |
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219 | if(! rv) |
| 56 | 2 | return rv.error(); | |
| 57 | 217 | value_type t; | |
| 58 | 217 | t.fragment = *rv; | |
| 59 | 217 | t.has_fragment = true; | |
| 60 | 217 | return t; | |
| 61 | } | ||
| 62 | }; | ||
| 63 | constexpr fragment_part_rule_t fragment_part_rule{}; | ||
| 64 | |||
| 65 | } // detail | ||
| 66 | } // urls | ||
| 67 | } // boost | ||
| 68 | |||
| 69 | #endif | ||
| 70 |