include/boost/url/rfc/detail/query_part_rule.hpp
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boost::urls::detail::query_part_rule_t::parse(char const*&, char const*) const
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) | ||
| 3 | // Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com) | ||
| 4 | // | ||
| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 6 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 7 | // | ||
| 8 | // Official repository: https://github.com/boostorg/url | ||
| 9 | // | ||
| 10 | |||
| 11 | #ifndef BOOST_URL_RFC_DETAIL_QUERY_PART_RULE_HPP | ||
| 12 | #define BOOST_URL_RFC_DETAIL_QUERY_PART_RULE_HPP | ||
| 13 | |||
| 14 | #include <boost/url/detail/config.hpp> | ||
| 15 | #include <boost/url/error_types.hpp> | ||
| 16 | #include <boost/url/pct_string_view.hpp> | ||
| 17 | #include <boost/url/rfc/detail/charsets.hpp> | ||
| 18 | #include <boost/url/grammar/hexdig_chars.hpp> | ||
| 19 | #include <cstdlib> | ||
| 20 | |||
| 21 | namespace boost { | ||
| 22 | namespace urls { | ||
| 23 | namespace detail { | ||
| 24 | |||
| 25 | /** Rule for query-part | ||
| 26 | |||
| 27 | @par BNF | ||
| 28 | @code | ||
| 29 | query-part = [ "?" query ] | ||
| 30 | @endcode | ||
| 31 | */ | ||
| 32 | struct query_part_rule_t | ||
| 33 | { | ||
| 34 | struct value_type | ||
| 35 | { | ||
| 36 | pct_string_view query; | ||
| 37 | std::size_t count = 0; | ||
| 38 | bool has_query = false; | ||
| 39 | }; | ||
| 40 | |||
| 41 | BOOST_URL_CXX14_CONSTEXPR | ||
| 42 | auto | ||
| 43 | 19825x | parse( | |
| 44 | char const*& it, | ||
| 45 | char const* end | ||
| 46 | ) const noexcept -> | ||
| 47 | system::result<value_type> | ||
| 48 | { | ||
| 49 | 19825x | if( it == end || | |
| 50 | 15391x | *it != '?') | |
| 51 | 15257x | return {}; | |
| 52 | 4568x | ++it; | |
| 53 | 4568x | auto const it0 = it; | |
| 54 | 4568x | std::size_t dn = 0; | |
| 55 | 4568x | std::size_t nparam = 1; | |
| 56 | 24472x | while(it != end) | |
| 57 | { | ||
| 58 | 21132x | if(*it == '&') | |
| 59 | { | ||
| 60 | 677x | ++nparam; | |
| 61 | 677x | ++it; | |
| 62 | 677x | continue; | |
| 63 | } | ||
| 64 | 20455x | if(detail::query_chars(*it)) | |
| 65 | { | ||
| 66 | 19058x | ++it; | |
| 67 | 19058x | continue; | |
| 68 | } | ||
| 69 | 1397x | if(*it == '%') | |
| 70 | { | ||
| 71 | 353x | if(end - it < 3 || | |
| 72 | 174x | (!grammar::hexdig_chars(it[1]) || | |
| 73 | 172x | !grammar::hexdig_chars(it[2]))) | |
| 74 | 10x | break; | |
| 75 | 169x | it += 3; | |
| 76 | 169x | dn += 2; | |
| 77 | 169x | continue; | |
| 78 | } | ||
| 79 | 1218x | break; | |
| 80 | } | ||
| 81 | 4568x | std::size_t const n(it - it0); | |
| 82 | 4568x | value_type t; | |
| 83 | 4568x | t.query = make_pct_string_view_unsafe( | |
| 84 | it0, n, n - dn); | ||
| 85 | 4568x | t.count = nparam; | |
| 86 | 4568x | t.has_query = true; | |
| 87 | 4568x | return t; | |
| 88 | } | ||
| 89 | }; | ||
| 90 | |||
| 91 | constexpr query_part_rule_t query_part_rule{}; | ||
| 92 | |||
| 93 | } // detail | ||
| 94 | } // urls | ||
| 95 | } // boost | ||
| 96 | |||
| 97 | #endif | ||
| 98 |