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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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/CPPAlliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_IMPL_FIELDS_VIEW_BASE_IPP | ||
| 11 | #define BOOST_HTTP_PROTO_IMPL_FIELDS_VIEW_BASE_IPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/fields_view.hpp> | ||
| 14 | #include <boost/http_proto/field.hpp> | ||
| 15 | #include <boost/http_proto/detail/except.hpp> | ||
| 16 | #include <boost/url/grammar/ci_string.hpp> | ||
| 17 | #include <boost/url/grammar/parse.hpp> | ||
| 18 | #include <boost/assert.hpp> | ||
| 19 | #include <boost/assert/source_location.hpp> | ||
| 20 | #include <utility> | ||
| 21 | |||
| 22 | namespace boost { | ||
| 23 | namespace http_proto { | ||
| 24 | |||
| 25 | ✗ | fields_view_base:: | |
| 26 | value_type:: | ||
| 27 | value_type( | ||
| 28 | ✗ | reference const& other) | |
| 29 | ✗ | : id(other.id) | |
| 30 | , name(other.name) | ||
| 31 | ✗ | , value(other.value) | |
| 32 | { | ||
| 33 | } | ||
| 34 | |||
| 35 | //------------------------------------------------ | ||
| 36 | |||
| 37 | auto | ||
| 38 | 1677 | fields_view_base:: | |
| 39 | iterator:: | ||
| 40 | operator*() const noexcept -> | ||
| 41 | reference | ||
| 42 | { | ||
| 43 |
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1677 | BOOST_ASSERT(i_ < ph_->count); |
| 44 | auto const& e = | ||
| 45 | 1677 | ph_->tab()[i_]; | |
| 46 | 1677 | auto const* p = | |
| 47 | 1677 | ph_->cbuf + ph_->prefix; | |
| 48 | return { | ||
| 49 | 1677 | e.id, | |
| 50 | string_view( | ||
| 51 | 1677 | p + e.np, e.nn), | |
| 52 | string_view( | ||
| 53 | 1677 | p + e.vp, e.vn) }; | |
| 54 | } | ||
| 55 | |||
| 56 | //------------------------------------------------ | ||
| 57 | |||
| 58 | auto | ||
| 59 | 24 | fields_view_base:: | |
| 60 | reverse_iterator:: | ||
| 61 | operator*() const noexcept -> | ||
| 62 | reference | ||
| 63 | { | ||
| 64 |
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24 | BOOST_ASSERT(i_ > 0); |
| 65 | auto const& e = | ||
| 66 | 24 | ph_->tab()[i_-1]; | |
| 67 | 24 | auto const* p = | |
| 68 | 24 | ph_->cbuf + ph_->prefix; | |
| 69 | return { | ||
| 70 | 24 | e.id, | |
| 71 | string_view( | ||
| 72 | 24 | p + e.np, e.nn), | |
| 73 | string_view( | ||
| 74 | 24 | p + e.vp, e.vn) }; | |
| 75 | } | ||
| 76 | |||
| 77 | //------------------------------------------------ | ||
| 78 | |||
| 79 | 67 | fields_view_base:: | |
| 80 | subrange:: | ||
| 81 | iterator:: | ||
| 82 | iterator( | ||
| 83 | detail::header const* ph, | ||
| 84 | 67 | std::size_t i) noexcept | |
| 85 | : ph_(ph) | ||
| 86 | 67 | , i_(i) | |
| 87 | { | ||
| 88 |
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67 | BOOST_ASSERT(i <= ph_->count); |
| 89 | 67 | } | |
| 90 | |||
| 91 | 67 | fields_view_base:: | |
| 92 | subrange:: | ||
| 93 | iterator:: | ||
| 94 | iterator( | ||
| 95 | 67 | detail::header const* ph) noexcept | |
| 96 | : ph_(ph) | ||
| 97 | 67 | , i_(ph->count) | |
| 98 | { | ||
| 99 | 67 | } | |
| 100 | |||
| 101 | auto | ||
| 102 | 72 | fields_view_base:: | |
| 103 | subrange:: | ||
| 104 | iterator:: | ||
| 105 | operator*() const noexcept -> | ||
| 106 | reference const | ||
| 107 | { | ||
| 108 | auto const& e = | ||
| 109 | 72 | ph_->tab()[i_]; | |
| 110 | 72 | auto const p = | |
| 111 | 72 | ph_->cbuf + ph_->prefix; | |
| 112 | 144 | return string_view( | |
| 113 | 72 | p + e.vp, e.vn); | |
| 114 | } | ||
| 115 | |||
| 116 | auto | ||
| 117 | 80 | fields_view_base:: | |
| 118 | subrange:: | ||
| 119 | iterator:: | ||
| 120 | operator++() noexcept -> | ||
| 121 | iterator& | ||
| 122 | { | ||
| 123 |
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80 | BOOST_ASSERT(i_ < ph_->count); |
| 124 | 80 | auto const* e = &ph_->tab()[i_]; | |
| 125 | 80 | auto const id = e->id; | |
| 126 |
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80 | if(id != field::unknown) |
| 127 | { | ||
| 128 | 73 | ++i_; | |
| 129 | 73 | --e; | |
| 130 |
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95 | while(i_ != ph_->count) |
| 131 | { | ||
| 132 |
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45 | if(e->id == id) |
| 133 | 23 | break; | |
| 134 | 22 | ++i_; | |
| 135 | 22 | --e; | |
| 136 | } | ||
| 137 | 73 | return *this; | |
| 138 | } | ||
| 139 | 7 | auto const p = | |
| 140 | 7 | ph_->cbuf + ph_->prefix; | |
| 141 | auto name = | ||
| 142 | 7 | string_view(p + e->np, e->nn); | |
| 143 | 7 | ++i_; | |
| 144 | 7 | --e; | |
| 145 |
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24 | while(i_ != ph_->count) |
| 146 | { | ||
| 147 |
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20 | if(grammar::ci_is_equal( |
| 148 | name, string_view( | ||
| 149 | 20 | p + e->np, e->nn))) | |
| 150 | 3 | break; | |
| 151 | 17 | ++i_; | |
| 152 | 17 | --e; | |
| 153 | } | ||
| 154 | 7 | return *this; | |
| 155 | } | ||
| 156 | |||
| 157 | //------------------------------------------------ | ||
| 158 | // | ||
| 159 | // fields_view_base | ||
| 160 | // | ||
| 161 | //------------------------------------------------ | ||
| 162 | |||
| 163 | bool | ||
| 164 | 4 | fields_view_base:: | |
| 165 | exists( | ||
| 166 | field id) const noexcept | ||
| 167 | { | ||
| 168 | 4 | return find(id) != end(); | |
| 169 | } | ||
| 170 | |||
| 171 | bool | ||
| 172 | 7 | fields_view_base:: | |
| 173 | exists( | ||
| 174 | string_view name) const noexcept | ||
| 175 | { | ||
| 176 | 7 | return find(name) != end(); | |
| 177 | } | ||
| 178 | |||
| 179 | std::size_t | ||
| 180 | 12 | fields_view_base:: | |
| 181 | count(field id) const noexcept | ||
| 182 | { | ||
| 183 | 12 | std::size_t n = 0; | |
| 184 |
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55 | for(auto v : *this) |
| 185 |
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43 | if(v.id == id) |
| 186 | 11 | ++n; | |
| 187 | 12 | return n; | |
| 188 | } | ||
| 189 | |||
| 190 | std::size_t | ||
| 191 | 5 | fields_view_base:: | |
| 192 | count(string_view name) const noexcept | ||
| 193 | { | ||
| 194 | 5 | std::size_t n = 0; | |
| 195 |
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49 | for(auto v : *this) |
| 196 |
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44 | if(grammar::ci_is_equal( |
| 197 | v.name, name)) | ||
| 198 | 7 | ++n; | |
| 199 | 5 | return n; | |
| 200 | } | ||
| 201 | |||
| 202 | auto | ||
| 203 | 58 | fields_view_base:: | |
| 204 | find(field id) const noexcept -> | ||
| 205 | iterator | ||
| 206 | { | ||
| 207 | 58 | auto it = begin(); | |
| 208 | 58 | auto const last = end(); | |
| 209 |
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151 | while(it != last) |
| 210 | { | ||
| 211 |
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143 | if(it->id == id) |
| 212 | 50 | break; | |
| 213 | 93 | ++it; | |
| 214 | } | ||
| 215 | 58 | return it; | |
| 216 | } | ||
| 217 | |||
| 218 | auto | ||
| 219 | 66 | fields_view_base:: | |
| 220 | find(string_view name) const noexcept -> | ||
| 221 | iterator | ||
| 222 | { | ||
| 223 | 66 | auto it = begin(); | |
| 224 | 66 | auto const last = end(); | |
| 225 |
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166 | while(it != last) |
| 226 | { | ||
| 227 | 158 | if(grammar::ci_is_equal( | |
| 228 |
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316 | it->name, name)) |
| 229 | 58 | break; | |
| 230 | 100 | ++it; | |
| 231 | } | ||
| 232 | 66 | return it; | |
| 233 | } | ||
| 234 | |||
| 235 | auto | ||
| 236 | 2 | fields_view_base:: | |
| 237 | find( | ||
| 238 | iterator from, | ||
| 239 | field id) const noexcept -> | ||
| 240 | iterator | ||
| 241 | { | ||
| 242 | 2 | auto const last = end(); | |
| 243 |
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11 | while(from != last) |
| 244 | { | ||
| 245 |
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10 | if(from->id == id) |
| 246 | 1 | break; | |
| 247 | 9 | ++from; | |
| 248 | } | ||
| 249 | 2 | return from; | |
| 250 | } | ||
| 251 | |||
| 252 | auto | ||
| 253 | 2 | fields_view_base:: | |
| 254 | find( | ||
| 255 | iterator from, | ||
| 256 | string_view name) const noexcept -> | ||
| 257 | iterator | ||
| 258 | { | ||
| 259 | 2 | auto const last = end(); | |
| 260 |
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12 | while(from != last) |
| 261 | { | ||
| 262 | 11 | if(grammar::ci_is_equal( | |
| 263 |
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22 | name, from->name)) |
| 264 | 1 | break; | |
| 265 | 10 | ++from; | |
| 266 | } | ||
| 267 | 2 | return from; | |
| 268 | } | ||
| 269 | |||
| 270 | auto | ||
| 271 | 27 | fields_view_base:: | |
| 272 | find_last( | ||
| 273 | iterator it, | ||
| 274 | field id) const noexcept -> | ||
| 275 | iterator | ||
| 276 | { | ||
| 277 | 27 | auto const it0 = begin(); | |
| 278 | for(;;) | ||
| 279 | { | ||
| 280 |
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40 | if(it == it0) |
| 281 | 4 | return end(); | |
| 282 | 36 | --it; | |
| 283 |
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36 | if(it->id == id) |
| 284 | 23 | return it; | |
| 285 | } | ||
| 286 | } | ||
| 287 | |||
| 288 | auto | ||
| 289 | 3 | fields_view_base:: | |
| 290 | find_last( | ||
| 291 | iterator it, | ||
| 292 | string_view name) const noexcept -> | ||
| 293 | iterator | ||
| 294 | { | ||
| 295 | 3 | auto const it0 = begin(); | |
| 296 | for(;;) | ||
| 297 | { | ||
| 298 |
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14 | if(it == it0) |
| 299 | 1 | return end(); | |
| 300 | 13 | --it; | |
| 301 | 13 | if(grammar::ci_is_equal( | |
| 302 |
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26 | it->name, name)) |
| 303 | 2 | return it; | |
| 304 | } | ||
| 305 | } | ||
| 306 | |||
| 307 | string_view | ||
| 308 | 2 | fields_view_base:: | |
| 309 | value_or( | ||
| 310 | field id, | ||
| 311 | string_view s) const noexcept | ||
| 312 | { | ||
| 313 | 2 | auto it = find(id); | |
| 314 |
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2 | if(it != end()) |
| 315 | 1 | return it->value; | |
| 316 | 1 | return s; | |
| 317 | } | ||
| 318 | |||
| 319 | string_view | ||
| 320 | 2 | fields_view_base:: | |
| 321 | value_or( | ||
| 322 | string_view name, | ||
| 323 | string_view s) const noexcept | ||
| 324 | { | ||
| 325 | 2 | auto it = find(name); | |
| 326 |
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2 | if(it != end()) |
| 327 | 1 | return it->value; | |
| 328 | 1 | return s; | |
| 329 | } | ||
| 330 | |||
| 331 | //------------------------------------------------ | ||
| 332 | |||
| 333 | auto | ||
| 334 | 16 | fields_view_base:: | |
| 335 | find_all( | ||
| 336 | field id) const noexcept -> | ||
| 337 | subrange | ||
| 338 | { | ||
| 339 | 32 | return subrange( | |
| 340 | 16 | ph_, find(id).i_); | |
| 341 | } | ||
| 342 | |||
| 343 | auto | ||
| 344 | 5 | fields_view_base:: | |
| 345 | find_all( | ||
| 346 | string_view name) const noexcept -> | ||
| 347 | subrange | ||
| 348 | { | ||
| 349 | 10 | return subrange( | |
| 350 | 5 | ph_, find(name).i_); | |
| 351 | } | ||
| 352 | |||
| 353 | //------------------------------------------------ | ||
| 354 | |||
| 355 | } // http_proto | ||
| 356 | } // boost | ||
| 357 | |||
| 358 | #endif | ||
| 359 |