include/boost/url/rfc/impl/query_rule.hpp
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100.0% Functions (1/1)
| 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_IMPL_QUERY_RULE_HPP | ||
| 12 | #define BOOST_URL_RFC_IMPL_QUERY_RULE_HPP | ||
| 13 | |||
| 14 | #include <boost/url/detail/config.hpp> | ||
| 15 | #include <boost/url/rfc/detail/charsets.hpp> | ||
| 16 | #include <boost/url/error.hpp> | ||
| 17 | #include <boost/url/grammar/hexdig_chars.hpp> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace urls { | ||
| 21 | |||
| 22 | inline | ||
| 23 | auto | ||
| 24 | 129 | implementation_defined::query_rule_t:: | |
| 25 | parse( | ||
| 26 | char const*& it, | ||
| 27 | char const* end | ||
| 28 | ) const noexcept -> | ||
| 29 | system::result<value_type> | ||
| 30 | { | ||
| 31 | 129 | if(it == end) | |
| 32 | { | ||
| 33 | // empty string = 1 param | ||
| 34 | ✗ | core::string_view str(it, 0); | |
| 35 | ✗ | return params_encoded_view( | |
| 36 | ✗ | detail::query_ref(str, 0, 1)); | |
| 37 | } | ||
| 38 | 129 | auto const it0 = it; | |
| 39 | 129 | std::size_t dn = 0; | |
| 40 | 129 | std::size_t nparam = 1; | |
| 41 | 3176 | while(it != end) | |
| 42 | { | ||
| 43 | 3059 | if(*it == '&') | |
| 44 | { | ||
| 45 | 211 | ++nparam; | |
| 46 | 211 | ++it; | |
| 47 | 211 | continue; | |
| 48 | } | ||
| 49 | 2848 | if(detail::query_chars(*it)) | |
| 50 | { | ||
| 51 | 2785 | ++it; | |
| 52 | 2785 | continue; | |
| 53 | } | ||
| 54 | 63 | if(*it == '%') | |
| 55 | { | ||
| 56 | 114 | if(end - it < 3 || | |
| 57 | 53 | (!grammar::hexdig_chars(it[1]) || | |
| 58 | 53 | !grammar::hexdig_chars(it[2]))) | |
| 59 | { | ||
| 60 | // missing valid HEXDIG | ||
| 61 | 10 | break; | |
| 62 | } | ||
| 63 | 51 | it += 3; | |
| 64 | 51 | dn += 2; | |
| 65 | 51 | continue; | |
| 66 | } | ||
| 67 | // got reserved character | ||
| 68 | 2 | break; | |
| 69 | } | ||
| 70 | 129 | std::size_t const n(it - it0); | |
| 71 | 129 | core::string_view str(it0, n); | |
| 72 | 129 | return params_encoded_view( | |
| 73 | 258 | detail::query_ref( | |
| 74 | 129 | str, n - dn, nparam)); | |
| 75 | } | ||
| 76 | |||
| 77 | } // urls | ||
| 78 | } // boost | ||
| 79 | |||
| 80 | |||
| 81 | #endif | ||
| 82 |