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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2022 Vinnie Falco (vinnie.falco@gmail.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_DETAIL_URL_IMPL_HPP | ||
| 11 | #define BOOST_URL_DETAIL_URL_IMPL_HPP | ||
| 12 | |||
| 13 | #include <boost/url/host_type.hpp> | ||
| 14 | #include <boost/url/pct_string_view.hpp> | ||
| 15 | #include <boost/url/scheme.hpp> | ||
| 16 | #include <boost/core/detail/string_view.hpp> | ||
| 17 | #include <boost/url/detail/parts_base.hpp> | ||
| 18 | #include <boost/assert.hpp> | ||
| 19 | #include <cstdint> | ||
| 20 | |||
| 21 | namespace boost { | ||
| 22 | namespace urls { | ||
| 23 | |||
| 24 | class url_view; | ||
| 25 | class authority_view; | ||
| 26 | |||
| 27 | namespace detail { | ||
| 28 | |||
| 29 | constexpr char const* const empty_c_str_ = ""; | ||
| 30 | |||
| 31 | // This is the private 'guts' of a | ||
| 32 | // url_view, exposed so different parts | ||
| 33 | // of the implementation can work on it. | ||
| 34 | struct BOOST_URL_DECL url_impl : parts_base | ||
| 35 | { | ||
| 36 | static | ||
| 37 | constexpr | ||
| 38 | std::size_t const zero_ = 0; | ||
| 39 | |||
| 40 | // never nullptr | ||
| 41 | char const* cs_ = empty_c_str_; | ||
| 42 | |||
| 43 | std::size_t offset_[id_end + 1] = {}; | ||
| 44 | std::size_t decoded_[id_end] = {}; | ||
| 45 | std::size_t nseg_ = 0; | ||
| 46 | std::size_t nparam_ = 0; | ||
| 47 | unsigned char ip_addr_[16] = {}; | ||
| 48 | // VFALCO don't we need a bool? | ||
| 49 | std::uint16_t port_number_ = 0; | ||
| 50 | host_type host_type_ = | ||
| 51 | urls::host_type::none; | ||
| 52 | scheme scheme_ = | ||
| 53 | urls::scheme::none; | ||
| 54 | |||
| 55 | from from_ = from::string; | ||
| 56 | |||
| 57 | 16757 | url_impl( | |
| 58 | from b) noexcept | ||
| 59 | 16757 | : from_(b) | |
| 60 | { | ||
| 61 | 16757 | } | |
| 62 | |||
| 63 | // in url_view.ipp | ||
| 64 | url_view construct() const noexcept; | ||
| 65 | |||
| 66 | // in authority_view.ipp | ||
| 67 | authority_view | ||
| 68 | construct_authority() const noexcept; | ||
| 69 | |||
| 70 | std::size_t len(int, int) const noexcept; | ||
| 71 | std::size_t len(int) const noexcept; | ||
| 72 | std::size_t offset(int) const noexcept; | ||
| 73 | core::string_view get(int) const noexcept; | ||
| 74 | core::string_view get(int, int) const noexcept; | ||
| 75 | pct_string_view pct_get(int) const noexcept; | ||
| 76 | pct_string_view pct_get(int, int) const noexcept; | ||
| 77 | void set_size(int, std::size_t) noexcept; | ||
| 78 | void split(int, std::size_t) noexcept; | ||
| 79 | void adjust_right(int first, int last, std::size_t n) noexcept; | ||
| 80 | void adjust_left(int first, int last, std::size_t n) noexcept; | ||
| 81 | void collapse(int, int, std::size_t) noexcept; | ||
| 82 | |||
| 83 | void apply_scheme(core::string_view) noexcept; | ||
| 84 | void apply_userinfo(pct_string_view const&, | ||
| 85 | pct_string_view const*) noexcept; | ||
| 86 | void apply_host(host_type, pct_string_view, | ||
| 87 | unsigned char const*) noexcept; | ||
| 88 | void apply_port(core::string_view, unsigned short) noexcept; | ||
| 89 | void apply_authority(authority_view const&) noexcept; | ||
| 90 | void apply_path(pct_string_view, std::size_t) noexcept; | ||
| 91 | void apply_query(pct_string_view, std::size_t) noexcept; | ||
| 92 | void apply_frag(pct_string_view) noexcept; | ||
| 93 | }; | ||
| 94 | |||
| 95 | //------------------------------------------------ | ||
| 96 | |||
| 97 | // this allows a path to come from a | ||
| 98 | // url_impl or a separate core::string_view | ||
| 99 | class path_ref | ||
| 100 | : private parts_base | ||
| 101 | { | ||
| 102 | url_impl const* impl_ = nullptr; | ||
| 103 | char const* data_ = nullptr; | ||
| 104 | std::size_t size_ = 0; | ||
| 105 | std::size_t nseg_ = 0; | ||
| 106 | std::size_t dn_ = 0; | ||
| 107 | |||
| 108 | public: | ||
| 109 | path_ref() = default; | ||
| 110 | path_ref(url_impl const& impl) noexcept; | ||
| 111 | path_ref(core::string_view, | ||
| 112 | std::size_t, std::size_t) noexcept; | ||
| 113 | pct_string_view buffer() const noexcept; | ||
| 114 | std::size_t size() const noexcept; | ||
| 115 | char const* data() const noexcept; | ||
| 116 | char const* end() const noexcept; | ||
| 117 | std::size_t nseg() const noexcept; | ||
| 118 | |||
| 119 | bool | ||
| 120 | 1194 | alias_of( | |
| 121 | url_impl const& impl) const noexcept | ||
| 122 | { | ||
| 123 | 1194 | return impl_ == &impl; | |
| 124 | } | ||
| 125 | |||
| 126 | bool | ||
| 127 | 5082 | alias_of( | |
| 128 | path_ref const& ref) const noexcept | ||
| 129 | { | ||
| 130 |
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5082 | if(impl_) |
| 131 | 2463 | return impl_ == ref.impl_; | |
| 132 |
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2619 | BOOST_ASSERT(data_ != ref.data_ || ( |
| 133 | size_ == ref.size_ && | ||
| 134 | nseg_ == ref.nseg_ && | ||
| 135 | dn_ == ref.dn_)); | ||
| 136 | 2619 | return data_ == ref.data_; | |
| 137 | } | ||
| 138 | }; | ||
| 139 | |||
| 140 | //------------------------------------------------ | ||
| 141 | |||
| 142 | // this allows a params to come from a | ||
| 143 | // url_impl or a separate core::string_view | ||
| 144 | class BOOST_URL_DECL query_ref | ||
| 145 | : private parts_base | ||
| 146 | { | ||
| 147 | url_impl const* impl_ = nullptr; | ||
| 148 | char const* data_ = nullptr; | ||
| 149 | std::size_t size_ = 0; | ||
| 150 | std::size_t nparam_ = 0; | ||
| 151 | std::size_t dn_ = 0; | ||
| 152 | bool question_mark_ = false; | ||
| 153 | |||
| 154 | public: | ||
| 155 | query_ref( | ||
| 156 | core::string_view s, // buffer, no '?' | ||
| 157 | std::size_t dn, // decoded size | ||
| 158 | std::size_t nparam | ||
| 159 | ) noexcept; | ||
| 160 | 9 | query_ref() = default; | |
| 161 | query_ref(url_impl const& impl) noexcept; | ||
| 162 | pct_string_view buffer() const noexcept; | ||
| 163 | std::size_t size() const noexcept; // with '?' | ||
| 164 | char const* begin() const noexcept; // no '?' | ||
| 165 | char const* end() const noexcept; | ||
| 166 | std::size_t nparam() const noexcept; | ||
| 167 | |||
| 168 | bool | ||
| 169 | 276 | alias_of( | |
| 170 | url_impl const& impl) const noexcept | ||
| 171 | { | ||
| 172 | 276 | return impl_ == &impl; | |
| 173 | } | ||
| 174 | |||
| 175 | bool | ||
| 176 | 2449 | alias_of( | |
| 177 | query_ref const& ref) const noexcept | ||
| 178 | { | ||
| 179 |
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2449 | if(impl_) |
| 180 | 718 | return impl_ == ref.impl_; | |
| 181 |
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1731 | BOOST_ASSERT(data_ != ref.data_ || ( |
| 182 | size_ == ref.size_ && | ||
| 183 | nparam_ == ref.nparam_ && | ||
| 184 | dn_ == ref.dn_)); | ||
| 185 | 1731 | return data_ == ref.data_; | |
| 186 | } | ||
| 187 | }; | ||
| 188 | |||
| 189 | } // detail | ||
| 190 | |||
| 191 | } // urls | ||
| 192 | } // boost | ||
| 193 | |||
| 194 | #endif | ||
| 195 |