| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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/CPPAlliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_IMPL_FIELDS_VIEW_BASE_HPP | ||
| 11 | #define BOOST_HTTP_PROTO_IMPL_FIELDS_VIEW_BASE_HPP | ||
| 12 | |||
| 13 | #include <boost/assert.hpp> | ||
| 14 | |||
| 15 | namespace boost { | ||
| 16 | namespace http_proto { | ||
| 17 | |||
| 18 | //------------------------------------------------ | ||
| 19 | // | ||
| 20 | // iterator | ||
| 21 | // | ||
| 22 | //------------------------------------------------ | ||
| 23 | |||
| 24 | class fields_view_base::iterator | ||
| 25 | { | ||
| 26 | detail::header const* ph_ = nullptr; | ||
| 27 | std::size_t i_ = 0; | ||
| 28 | |||
| 29 | friend class fields_base; | ||
| 30 | friend class fields_view_base; | ||
| 31 | |||
| 32 | 1370 | iterator( | |
| 33 | detail::header const* ph, | ||
| 34 | std::size_t i) noexcept | ||
| 35 | 1370 | : ph_(ph) | |
| 36 | 1370 | , i_(i) | |
| 37 | { | ||
| 38 | 1370 | } | |
| 39 | |||
| 40 | public: | ||
| 41 | using value_type = | ||
| 42 | fields_view_base::value_type; | ||
| 43 | using reference = | ||
| 44 | fields_view_base::reference; | ||
| 45 | using pointer = reference; | ||
| 46 | using difference_type = | ||
| 47 | std::ptrdiff_t; | ||
| 48 | using iterator_category = | ||
| 49 | std::bidirectional_iterator_tag; | ||
| 50 | |||
| 51 | 2 | iterator() = default; | |
| 52 | iterator(iterator const&) = default; | ||
| 53 | iterator& operator=( | ||
| 54 | iterator const&) = default; | ||
| 55 | |||
| 56 | bool | ||
| 57 | 1680 | operator==( | |
| 58 | iterator const& other) const noexcept | ||
| 59 | { | ||
| 60 | // If this assert goes off, it means you | ||
| 61 | // are trying to compare iterators from | ||
| 62 | // different containers, which is undefined! | ||
| 63 |
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1680 | BOOST_ASSERT(ph_ == other.ph_); |
| 64 | |||
| 65 | 1680 | return i_ == other.i_; | |
| 66 | } | ||
| 67 | |||
| 68 | bool | ||
| 69 | 1529 | operator!=( | |
| 70 | iterator const& other) const noexcept | ||
| 71 | { | ||
| 72 | 1529 | return !(*this == other); | |
| 73 | } | ||
| 74 | |||
| 75 | BOOST_HTTP_PROTO_DECL | ||
| 76 | reference | ||
| 77 | operator*() const noexcept; | ||
| 78 | |||
| 79 | pointer | ||
| 80 | 1590 | operator->() const noexcept | |
| 81 | { | ||
| 82 | 1590 | return *(*this); | |
| 83 | } | ||
| 84 | |||
| 85 | iterator& | ||
| 86 | 1027 | operator++() noexcept | |
| 87 | { | ||
| 88 |
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1027 | BOOST_ASSERT(i_ < ph_->count); |
| 89 | 1027 | ++i_; | |
| 90 | 1027 | return *this; | |
| 91 | } | ||
| 92 | |||
| 93 | iterator | ||
| 94 | 1 | operator++(int) noexcept | |
| 95 | { | ||
| 96 | 1 | auto temp = *this; | |
| 97 | 1 | ++(*this); | |
| 98 | 1 | return temp; | |
| 99 | } | ||
| 100 | |||
| 101 | iterator& | ||
| 102 | 133 | operator--() noexcept | |
| 103 | { | ||
| 104 |
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133 | BOOST_ASSERT(i_ > 0); |
| 105 | 133 | --i_; | |
| 106 | 133 | return *this; | |
| 107 | } | ||
| 108 | |||
| 109 | iterator | ||
| 110 | 1 | operator--(int) noexcept | |
| 111 | { | ||
| 112 | 1 | auto temp = *this; | |
| 113 | 1 | --(*this); | |
| 114 | 1 | return temp; | |
| 115 | } | ||
| 116 | }; | ||
| 117 | |||
| 118 | //------------------------------------------------ | ||
| 119 | |||
| 120 | class fields_view_base::reverse_iterator | ||
| 121 | { | ||
| 122 | detail::header const* ph_ = nullptr; | ||
| 123 | std::size_t i_ = 0; | ||
| 124 | |||
| 125 | friend class fields_base; | ||
| 126 | friend class fields_view_base; | ||
| 127 | |||
| 128 | reverse_iterator( | ||
| 129 | detail::header const* ph, | ||
| 130 | std::size_t i) noexcept | ||
| 131 | : ph_(ph) | ||
| 132 | , i_(i) | ||
| 133 | { | ||
| 134 | } | ||
| 135 | |||
| 136 | public: | ||
| 137 | using value_type = | ||
| 138 | fields_view_base::value_type; | ||
| 139 | using reference = | ||
| 140 | fields_view_base::reference; | ||
| 141 | using pointer = reference; | ||
| 142 | using difference_type = | ||
| 143 | std::ptrdiff_t; | ||
| 144 | using iterator_category = | ||
| 145 | std::bidirectional_iterator_tag; | ||
| 146 | |||
| 147 | 2 | reverse_iterator() = default; | |
| 148 | reverse_iterator(reverse_iterator const&) = default; | ||
| 149 | reverse_iterator& operator=( | ||
| 150 | reverse_iterator const&) = default; | ||
| 151 | |||
| 152 | explicit | ||
| 153 | 5 | reverse_iterator( | |
| 154 | iterator it) noexcept | ||
| 155 | 5 | : ph_(it.ph_) | |
| 156 | 5 | , i_(it.i_) | |
| 157 | { | ||
| 158 | 5 | } | |
| 159 | |||
| 160 | bool | ||
| 161 | 5 | operator==( | |
| 162 | reverse_iterator const& other) const noexcept | ||
| 163 | { | ||
| 164 | // If this assert goes off, it means you | ||
| 165 | // are trying to compare iterators from | ||
| 166 | // different containers, which is undefined! | ||
| 167 |
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5 | BOOST_ASSERT(ph_ == other.ph_); |
| 168 | |||
| 169 | 5 | return i_ == other.i_; | |
| 170 | } | ||
| 171 | |||
| 172 | bool | ||
| 173 | 1 | operator!=( | |
| 174 | reverse_iterator const& other) const noexcept | ||
| 175 | { | ||
| 176 | 1 | return !(*this == other); | |
| 177 | } | ||
| 178 | |||
| 179 | BOOST_HTTP_PROTO_DECL | ||
| 180 | reference | ||
| 181 | operator*() const noexcept; | ||
| 182 | |||
| 183 | pointer | ||
| 184 | 24 | operator->() const noexcept | |
| 185 | { | ||
| 186 | 24 | return *(*this); | |
| 187 | } | ||
| 188 | |||
| 189 | reverse_iterator& | ||
| 190 | 3 | operator++() noexcept | |
| 191 | { | ||
| 192 |
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3 | BOOST_ASSERT(i_ > 0); |
| 193 | 3 | --i_; | |
| 194 | 3 | return *this; | |
| 195 | } | ||
| 196 | |||
| 197 | reverse_iterator | ||
| 198 | 1 | operator++(int) noexcept | |
| 199 | { | ||
| 200 | 1 | auto temp = *this; | |
| 201 | 1 | ++(*this); | |
| 202 | 1 | return temp; | |
| 203 | } | ||
| 204 | |||
| 205 | reverse_iterator& | ||
| 206 | 3 | operator--() noexcept | |
| 207 | { | ||
| 208 |
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3 | BOOST_ASSERT(i_ < ph_->count); |
| 209 | 3 | ++i_; | |
| 210 | 3 | return *this; | |
| 211 | } | ||
| 212 | |||
| 213 | reverse_iterator | ||
| 214 | 1 | operator--(int) noexcept | |
| 215 | { | ||
| 216 | 1 | auto temp = *this; | |
| 217 | 1 | --(*this); | |
| 218 | 1 | return temp; | |
| 219 | } | ||
| 220 | }; | ||
| 221 | |||
| 222 | //------------------------------------------------ | ||
| 223 | // | ||
| 224 | // subrange | ||
| 225 | // | ||
| 226 | //------------------------------------------------ | ||
| 227 | |||
| 228 | class fields_view_base::subrange | ||
| 229 | { | ||
| 230 | detail::header const* ph_ = nullptr; | ||
| 231 | std::size_t i_ = 0; | ||
| 232 | |||
| 233 | friend class fields_view; | ||
| 234 | friend class fields_view_base; | ||
| 235 | friend struct detail::header; | ||
| 236 | |||
| 237 | 67 | subrange( | |
| 238 | detail::header const* ph, | ||
| 239 | std::size_t i) noexcept | ||
| 240 | 67 | : ph_(ph) | |
| 241 | 67 | , i_(i) | |
| 242 | { | ||
| 243 | 67 | } | |
| 244 | |||
| 245 | public: | ||
| 246 | class iterator; | ||
| 247 | //class reverse_iterator; | ||
| 248 | using const_iterator = iterator; | ||
| 249 | using value_type = std::string; | ||
| 250 | using reference = string_view; | ||
| 251 | using const_reference = reference; | ||
| 252 | using size_type = std::size_t; | ||
| 253 | using difference_type = std::ptrdiff_t; | ||
| 254 | |||
| 255 | /** Constructor | ||
| 256 | |||
| 257 | Default-constructed subranges are empty. | ||
| 258 | */ | ||
| 259 | subrange() noexcept = default; | ||
| 260 | |||
| 261 | subrange(subrange const&) noexcept = default; | ||
| 262 | subrange& operator=( | ||
| 263 | subrange const&) noexcept = default; | ||
| 264 | |||
| 265 | iterator begin() const noexcept; | ||
| 266 | iterator end() const noexcept; | ||
| 267 | }; | ||
| 268 | |||
| 269 | //------------------------------------------------ | ||
| 270 | // | ||
| 271 | // subrange::iterator | ||
| 272 | // | ||
| 273 | //------------------------------------------------ | ||
| 274 | |||
| 275 | class fields_view_base::subrange:: | ||
| 276 | iterator | ||
| 277 | { | ||
| 278 | detail::header const* ph_ = nullptr; | ||
| 279 | std::size_t i_ = 0; | ||
| 280 | |||
| 281 | friend class fields_view_base::subrange; | ||
| 282 | |||
| 283 | BOOST_HTTP_PROTO_DECL | ||
| 284 | iterator( | ||
| 285 | detail::header const* ph, | ||
| 286 | std::size_t i) noexcept; | ||
| 287 | |||
| 288 | // end | ||
| 289 | BOOST_HTTP_PROTO_DECL | ||
| 290 | iterator( | ||
| 291 | detail::header const* ph) noexcept; | ||
| 292 | |||
| 293 | public: | ||
| 294 | using value_type = std::string; | ||
| 295 | using reference = string_view; | ||
| 296 | using pointer = void const*; | ||
| 297 | using difference_type = | ||
| 298 | std::ptrdiff_t; | ||
| 299 | using iterator_category = | ||
| 300 | std::forward_iterator_tag; | ||
| 301 | |||
| 302 | iterator() = default; | ||
| 303 | iterator(iterator const&) = default; | ||
| 304 | iterator& operator=( | ||
| 305 | iterator const&) = default; | ||
| 306 | |||
| 307 | // conversion to regular iterator | ||
| 308 | operator | ||
| 309 | fields_view_base:: | ||
| 310 | iterator() const noexcept | ||
| 311 | { | ||
| 312 | return {ph_, i_}; | ||
| 313 | } | ||
| 314 | |||
| 315 | bool | ||
| 316 | 147 | operator==( | |
| 317 | iterator const& other) const noexcept | ||
| 318 | { | ||
| 319 | // If this assert goes off, it means you | ||
| 320 | // are trying to compare iterators from | ||
| 321 | // different containers, which is undefined! | ||
| 322 |
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147 | BOOST_ASSERT(ph_ == other.ph_); |
| 323 | |||
| 324 | 147 | return i_ == other.i_; | |
| 325 | } | ||
| 326 | |||
| 327 | bool | ||
| 328 | 147 | operator!=( | |
| 329 | iterator const& other) const noexcept | ||
| 330 | { | ||
| 331 | 147 | return !(*this == other); | |
| 332 | } | ||
| 333 | |||
| 334 | BOOST_HTTP_PROTO_DECL | ||
| 335 | reference const | ||
| 336 | operator*() const noexcept; | ||
| 337 | |||
| 338 | reference const | ||
| 339 | operator->() const noexcept | ||
| 340 | { | ||
| 341 | return *(*this); | ||
| 342 | } | ||
| 343 | |||
| 344 | BOOST_HTTP_PROTO_DECL | ||
| 345 | iterator& | ||
| 346 | operator++() noexcept; | ||
| 347 | |||
| 348 | iterator | ||
| 349 | operator++(int) noexcept | ||
| 350 | { | ||
| 351 | auto temp = *this; | ||
| 352 | ++(*this); | ||
| 353 | return temp; | ||
| 354 | } | ||
| 355 | }; | ||
| 356 | |||
| 357 | inline | ||
| 358 | auto | ||
| 359 | 67 | fields_view_base:: | |
| 360 | subrange:: | ||
| 361 | begin() const noexcept -> | ||
| 362 | iterator | ||
| 363 | { | ||
| 364 | 67 | return {ph_, i_}; | |
| 365 | } | ||
| 366 | |||
| 367 | inline | ||
| 368 | auto | ||
| 369 | 67 | fields_view_base:: | |
| 370 | subrange:: | ||
| 371 | end() const noexcept -> | ||
| 372 | iterator | ||
| 373 | { | ||
| 374 | 67 | return {ph_}; | |
| 375 | } | ||
| 376 | |||
| 377 | //------------------------------------------------ | ||
| 378 | |||
| 379 | inline | ||
| 380 | fields_view_base:: | ||
| 381 | value_type:: | ||
| 382 | operator | ||
| 383 | fields_view_base:: | ||
| 384 | reference() const noexcept | ||
| 385 | { | ||
| 386 | return reference{ | ||
| 387 | id, name, value}; | ||
| 388 | } | ||
| 389 | |||
| 390 | //------------------------------------------------ | ||
| 391 | |||
| 392 | inline | ||
| 393 | auto | ||
| 394 | 618 | fields_view_base:: | |
| 395 | begin() const noexcept -> | ||
| 396 | iterator | ||
| 397 | { | ||
| 398 | 618 | return iterator(ph_, 0); | |
| 399 | } | ||
| 400 | |||
| 401 | inline | ||
| 402 | auto | ||
| 403 | 752 | fields_view_base:: | |
| 404 | end() const noexcept -> | ||
| 405 | iterator | ||
| 406 | { | ||
| 407 | 752 | return iterator(ph_, ph_->count); | |
| 408 | } | ||
| 409 | |||
| 410 | inline | ||
| 411 | auto | ||
| 412 | 3 | fields_view_base:: | |
| 413 | rbegin() const noexcept -> | ||
| 414 | reverse_iterator | ||
| 415 | { | ||
| 416 | 3 | return reverse_iterator(end()); | |
| 417 | } | ||
| 418 | |||
| 419 | inline | ||
| 420 | auto | ||
| 421 | 2 | fields_view_base:: | |
| 422 | rend() const noexcept -> | ||
| 423 | reverse_iterator | ||
| 424 | { | ||
| 425 | 2 | return reverse_iterator(begin()); | |
| 426 | } | ||
| 427 | |||
| 428 | } // http_proto | ||
| 429 | } // boost | ||
| 430 | |||
| 431 | #endif | ||
| 432 |