include/boost/url/rfc/detail/impl/host_rule.hpp
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boost::urls::detail::host_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_IMPL_HOST_RULE_HPP | ||
| 12 | #define BOOST_URL_RFC_DETAIL_IMPL_HOST_RULE_HPP | ||
| 13 | |||
| 14 | #include <boost/url/detail/config.hpp> | ||
| 15 | #include <boost/url/rfc/ipv4_address_rule.hpp> | ||
| 16 | #include <boost/url/rfc/detail/ip_literal_rule.hpp> | ||
| 17 | #include <boost/url/rfc/detail/reg_name_rule.hpp> | ||
| 18 | #include <boost/url/grammar/parse.hpp> | ||
| 19 | #include <cstring> | ||
| 20 | |||
| 21 | namespace boost { | ||
| 22 | namespace urls { | ||
| 23 | namespace detail { | ||
| 24 | |||
| 25 | BOOST_URL_CXX20_CONSTEXPR_OR_INLINE | ||
| 26 | auto | ||
| 27 | 6745x | host_rule_t:: | |
| 28 | parse( | ||
| 29 | char const*& it, | ||
| 30 | char const* const end | ||
| 31 | ) const noexcept -> | ||
| 32 | system::result<value_type> | ||
| 33 | { | ||
| 34 | 6745x | value_type t; | |
| 35 | |||
| 36 | 6745x | if(it == end) | |
| 37 | { | ||
| 38 | // empty host | ||
| 39 | 230x | t.host_type = | |
| 40 | urls::host_type::name; | ||
| 41 | 230x | return t; | |
| 42 | } | ||
| 43 | |||
| 44 | 6515x | auto const it0 = it; | |
| 45 | 6515x | if(*it == '[') | |
| 46 | { | ||
| 47 | // IP-literal | ||
| 48 | 92x | auto rv = grammar::parse( | |
| 49 | it, end, | ||
| 50 | detail::ip_literal_rule); | ||
| 51 | 92x | if(! rv) | |
| 52 | 26x | return rv.error(); | |
| 53 | 66x | auto v = *rv; | |
| 54 | 66x | if(v.is_ipv6) | |
| 55 | { | ||
| 56 | // IPv6address | ||
| 57 | auto const b = | ||
| 58 | 61x | v.ipv6.to_bytes(); | |
| 59 | 122x | std::memcpy( | |
| 60 | t.addr, | ||
| 61 | 61x | b.data(), | |
| 62 | b.size()); | ||
| 63 | 61x | t.host_type = | |
| 64 | urls::host_type::ipv6; | ||
| 65 | // "[" IPv6address [ "%25" ZoneID ] "]" | ||
| 66 | // decodes to | ||
| 67 | // "[" IPv6address [ "%" zone_id ] "]" | ||
| 68 | 61x | auto dn = static_cast< | |
| 69 | 61x | std::size_t>(it - it0); | |
| 70 | 61x | if(! v.zone_id.empty()) | |
| 71 | 21x | dn = dn | |
| 72 | 21x | - (3 + v.zone_id.size()) | |
| 73 | 21x | + (1 + v.zone_id.decoded_size()); | |
| 74 | 61x | t.match = make_pct_string_view_unsafe( | |
| 75 | 61x | it0, it - it0, dn); | |
| 76 | 61x | return t; | |
| 77 | } | ||
| 78 | |||
| 79 | // IPvFuture | ||
| 80 | 5x | t.host_type = | |
| 81 | urls::host_type::ipvfuture; | ||
| 82 | 5x | t.match = make_pct_string_view_unsafe( | |
| 83 | 5x | it0, it - it0, it - it0); | |
| 84 | 5x | return t; | |
| 85 | } | ||
| 86 | |||
| 87 | // IPv4address | ||
| 88 | { | ||
| 89 | 6423x | auto rv = grammar::parse( | |
| 90 | it, end, ipv4_address_rule); | ||
| 91 | 6423x | if( rv ) | |
| 92 | { | ||
| 93 | 108x | auto it02 = it; | |
| 94 | 108x | auto rv2 = grammar::parse( | |
| 95 | it, end, | ||
| 96 | detail::reg_name_rule); | ||
| 97 | 215x | if (rv2.has_value() && | |
| 98 | 107x | !rv2->empty()) | |
| 99 | { | ||
| 100 | 6x | auto dn = static_cast< | |
| 101 | 6x | std::size_t>(it02 - it0) + | |
| 102 | 6x | rv2->decoded_size(); | |
| 103 | 6x | t.name = make_pct_string_view_unsafe( | |
| 104 | 6x | it0, it - it0, dn); | |
| 105 | 6x | t.host_type = | |
| 106 | urls::host_type::name; | ||
| 107 | 6x | t.match = t.name; | |
| 108 | 6x | return t; | |
| 109 | } | ||
| 110 | 102x | it = it02; | |
| 111 | auto const b = | ||
| 112 | 102x | rv->to_bytes(); | |
| 113 | 204x | std::memcpy( | |
| 114 | t.addr, | ||
| 115 | 102x | b.data(), | |
| 116 | b.size()); | ||
| 117 | 102x | t.host_type = | |
| 118 | urls::host_type::ipv4; | ||
| 119 | 102x | t.match = make_pct_string_view_unsafe( | |
| 120 | 102x | it0, it - it0, it - it0); | |
| 121 | 102x | return t; | |
| 122 | } | ||
| 123 | |||
| 124 | 6315x | it = it0; // rewind | |
| 125 | } | ||
| 126 | |||
| 127 | // reg-name | ||
| 128 | { | ||
| 129 | 6315x | auto rv = grammar::parse( | |
| 130 | it, end, | ||
| 131 | detail::reg_name_rule); | ||
| 132 | 6315x | if(! rv) | |
| 133 | 7x | return rv.error(); | |
| 134 | 6308x | t.name = *rv; | |
| 135 | 6308x | t.host_type = | |
| 136 | urls::host_type::name; | ||
| 137 | 6308x | t.match = *rv; | |
| 138 | 6308x | return t; | |
| 139 | } | ||
| 140 | } | ||
| 141 | |||
| 142 | } // detail | ||
| 143 | } // urls | ||
| 144 | } // boost | ||
| 145 | |||
| 146 | |||
| 147 | #endif | ||
| 148 |