libs/url/src/rfc/detail/host_rule.cpp
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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 | |||
| 11 | #include <boost/url/detail/config.hpp> | ||
| 12 | #include <boost/url/rfc/ipv4_address_rule.hpp> | ||
| 13 | #include "host_rule.hpp" | ||
| 14 | #include "ip_literal_rule.hpp" | ||
| 15 | #include "reg_name_rule.hpp" | ||
| 16 | #include <boost/url/grammar/parse.hpp> | ||
| 17 | |||
| 18 | namespace boost { | ||
| 19 | namespace urls { | ||
| 20 | namespace detail { | ||
| 21 | |||
| 22 | auto | ||
| 23 | 2095 | host_rule_t:: | |
| 24 | parse( | ||
| 25 | char const*& it, | ||
| 26 | char const* const end | ||
| 27 | ) const noexcept -> | ||
| 28 | system::result<value_type> | ||
| 29 | { | ||
| 30 | 2095 | value_type t; | |
| 31 | |||
| 32 |
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2095 | if(it == end) |
| 33 | { | ||
| 34 | // empty host | ||
| 35 | 225 | t.host_type = | |
| 36 | urls::host_type::name; | ||
| 37 | 225 | return t; | |
| 38 | } | ||
| 39 | |||
| 40 | 1870 | auto const it0 = it; | |
| 41 |
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1870 | if(*it == '[') |
| 42 | { | ||
| 43 | // IP-literal | ||
| 44 | 63 | auto rv = grammar::parse( | |
| 45 | it, end, | ||
| 46 | detail::ip_literal_rule); | ||
| 47 |
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63 | if(! rv) |
| 48 | 24 | return rv.error(); | |
| 49 | 39 | auto v = *rv; | |
| 50 |
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39 | if(v.is_ipv6) |
| 51 | { | ||
| 52 | // IPv6address | ||
| 53 | auto const b = | ||
| 54 | 34 | v.ipv6.to_bytes(); | |
| 55 | 68 | std::memcpy( | |
| 56 | t.addr, | ||
| 57 | 34 | b.data(), | |
| 58 | b.size()); | ||
| 59 | 34 | t.host_type = | |
| 60 | urls::host_type::ipv6; | ||
| 61 | 68 | t.match = core::string_view( | |
| 62 | 34 | it0, it - it0); | |
| 63 | 34 | return t; | |
| 64 | } | ||
| 65 | |||
| 66 | // IPvFuture | ||
| 67 | 5 | t.host_type = | |
| 68 | urls::host_type::ipvfuture; | ||
| 69 | 10 | t.match = core::string_view( | |
| 70 | 5 | it0, it - it0); | |
| 71 | 5 | return t; | |
| 72 | } | ||
| 73 | |||
| 74 | // IPv4address | ||
| 75 | { | ||
| 76 | 1807 | auto rv = grammar::parse( | |
| 77 | it, end, ipv4_address_rule); | ||
| 78 |
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1807 | if( rv ) |
| 79 | { | ||
| 80 | 29 | auto it02 = it; | |
| 81 | 29 | auto rv2 = grammar::parse( | |
| 82 | it, end, | ||
| 83 | detail::reg_name_rule); | ||
| 84 |
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57 | if (rv2.has_value() && |
| 85 |
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28 | !rv2->empty()) |
| 86 | { | ||
| 87 | 6 | t.name = core::string_view( | |
| 88 | 6 | it0, it - it0); | |
| 89 | 6 | t.host_type = | |
| 90 | urls::host_type::name; | ||
| 91 | 12 | t.match = core::string_view( | |
| 92 | 6 | it0, it - it0); | |
| 93 | 6 | return t; | |
| 94 | } | ||
| 95 | 23 | it = it02; | |
| 96 | auto const b = | ||
| 97 | 23 | rv->to_bytes(); | |
| 98 | 46 | std::memcpy( | |
| 99 | t.addr, | ||
| 100 | 23 | b.data(), | |
| 101 | b.size()); | ||
| 102 | 23 | t.host_type = | |
| 103 | urls::host_type::ipv4; | ||
| 104 | 46 | t.match = core::string_view( | |
| 105 | 23 | it0, it - it0); | |
| 106 | 23 | return t; | |
| 107 | } | ||
| 108 | |||
| 109 | 1778 | it = it0; // rewind | |
| 110 | } | ||
| 111 | |||
| 112 | // reg-name | ||
| 113 | { | ||
| 114 | 1778 | auto rv = grammar::parse( | |
| 115 | it, end, | ||
| 116 | detail::reg_name_rule); | ||
| 117 |
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1778 | if(! rv) |
| 118 | 7 | return rv.error(); | |
| 119 | 1771 | t.name = *rv; | |
| 120 | 1771 | t.host_type = | |
| 121 | urls::host_type::name; | ||
| 122 | 3542 | t.match = core::string_view( | |
| 123 | 1771 | it0, it - it0); | |
| 124 | 1771 | return t; | |
| 125 | } | ||
| 126 | } | ||
| 127 | |||
| 128 | } // detail | ||
| 129 | } // urls | ||
| 130 | } // boost | ||
| 131 | |||
| 132 |