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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // Copyright (c) 2025 Mohammad Nejati | ||
| 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/cppalliance/http_proto | ||
| 9 | // | ||
| 10 | |||
| 11 | #include <boost/http_proto/fields_view_base.hpp> | ||
| 12 | #include <boost/http_proto/field.hpp> | ||
| 13 | #include <boost/http_proto/detail/except.hpp> | ||
| 14 | #include <boost/url/grammar/ci_string.hpp> | ||
| 15 | #include <boost/url/grammar/parse.hpp> | ||
| 16 | #include <boost/assert.hpp> | ||
| 17 | #include <boost/assert/source_location.hpp> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace http_proto { | ||
| 21 | |||
| 22 | ✗ | fields_view_base:: | |
| 23 | value_type:: | ||
| 24 | value_type( | ||
| 25 | ✗ | reference const& other) | |
| 26 | ✗ | : id(other.id) | |
| 27 | ✗ | , name(other.name) | |
| 28 | ✗ | , value(other.value) | |
| 29 | { | ||
| 30 | ✗ | } | |
| 31 | |||
| 32 | //------------------------------------------------ | ||
| 33 | |||
| 34 | auto | ||
| 35 | 2164 | fields_view_base:: | |
| 36 | iterator:: | ||
| 37 | operator*() const noexcept -> | ||
| 38 | reference | ||
| 39 | { | ||
| 40 |
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2164 | BOOST_ASSERT(i_ < ph_->count); |
| 41 | auto tab = | ||
| 42 | 2164 | ph_->tab(); | |
| 43 | auto const& e = | ||
| 44 | 2164 | tab[i_]; | |
| 45 | 2164 | auto const* p = | |
| 46 | 2164 | ph_->cbuf + ph_->prefix; | |
| 47 | return { | ||
| 48 | 2164 | (e.id == detail::header::unknown_field) | |
| 49 |
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2164 | ? optional<field>{} : e.id, |
| 50 | core::string_view( | ||
| 51 | 2164 | p + e.np, e.nn), | |
| 52 | core::string_view( | ||
| 53 | 2164 | 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 tab = | ||
| 66 | 24 | ph_->tab(); | |
| 67 | auto const& e = | ||
| 68 | 24 | tab[i_-1]; | |
| 69 | 24 | auto const* p = | |
| 70 | 24 | ph_->cbuf + ph_->prefix; | |
| 71 | return { | ||
| 72 | 24 | (e.id == detail::header::unknown_field) | |
| 73 |
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24 | ? optional<field>{} : e.id, |
| 74 | core::string_view( | ||
| 75 | 24 | p + e.np, e.nn), | |
| 76 | core::string_view( | ||
| 77 | 24 | p + e.vp, e.vn) }; | |
| 78 | } | ||
| 79 | |||
| 80 | //------------------------------------------------ | ||
| 81 | |||
| 82 | 21 | fields_view_base:: | |
| 83 | subrange:: | ||
| 84 | iterator:: | ||
| 85 | iterator( | ||
| 86 | detail::header const* ph, | ||
| 87 | 21 | std::size_t i) noexcept | |
| 88 | 21 | : ph_(ph) | |
| 89 | 21 | , i_(i) | |
| 90 | { | ||
| 91 |
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21 | BOOST_ASSERT(i <= ph_->count); |
| 92 | 21 | } | |
| 93 | |||
| 94 | 21 | fields_view_base:: | |
| 95 | subrange:: | ||
| 96 | iterator:: | ||
| 97 | iterator( | ||
| 98 | 21 | detail::header const* ph) noexcept | |
| 99 | 21 | : ph_(ph) | |
| 100 | 21 | , i_(ph->count) | |
| 101 | { | ||
| 102 | 21 | } | |
| 103 | |||
| 104 | auto | ||
| 105 | 11 | fields_view_base:: | |
| 106 | subrange:: | ||
| 107 | iterator:: | ||
| 108 | operator*() const noexcept -> | ||
| 109 | reference const | ||
| 110 | { | ||
| 111 | auto tab = | ||
| 112 | 11 | ph_->tab(); | |
| 113 | auto const& e = | ||
| 114 | 11 | tab[i_]; | |
| 115 | 11 | auto const p = | |
| 116 | 11 | ph_->cbuf + ph_->prefix; | |
| 117 | 22 | return core::string_view( | |
| 118 | 11 | p + e.vp, e.vn); | |
| 119 | } | ||
| 120 | |||
| 121 | auto | ||
| 122 | 27 | fields_view_base:: | |
| 123 | subrange:: | ||
| 124 | iterator:: | ||
| 125 | operator++() noexcept -> | ||
| 126 | iterator& | ||
| 127 | { | ||
| 128 |
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27 | BOOST_ASSERT(i_ < ph_->count); |
| 129 | 27 | auto const* e = &ph_->tab()[i_]; | |
| 130 | 27 | auto const id = e->id; | |
| 131 |
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27 | if(id != detail::header::unknown_field) |
| 132 | { | ||
| 133 | 20 | ++i_; | |
| 134 | 20 | --e; | |
| 135 |
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38 | while(i_ != ph_->count) |
| 136 | { | ||
| 137 |
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26 | if(e->id == id) |
| 138 | 8 | break; | |
| 139 | 18 | ++i_; | |
| 140 | 18 | --e; | |
| 141 | } | ||
| 142 | 20 | return *this; | |
| 143 | } | ||
| 144 | 7 | auto const p = | |
| 145 | 7 | ph_->cbuf + ph_->prefix; | |
| 146 | auto name = core::string_view( | ||
| 147 | 7 | p + e->np, e->nn); | |
| 148 | 7 | ++i_; | |
| 149 | 7 | --e; | |
| 150 |
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24 | while(i_ != ph_->count) |
| 151 | { | ||
| 152 |
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20 | if(grammar::ci_is_equal( |
| 153 | name, core::string_view( | ||
| 154 | 20 | p + e->np, e->nn))) | |
| 155 | 3 | break; | |
| 156 | 17 | ++i_; | |
| 157 | 17 | --e; | |
| 158 | } | ||
| 159 | 7 | return *this; | |
| 160 | } | ||
| 161 | |||
| 162 | //------------------------------------------------ | ||
| 163 | // | ||
| 164 | // fields_view_base | ||
| 165 | // | ||
| 166 | //------------------------------------------------ | ||
| 167 | |||
| 168 | core::string_view | ||
| 169 | 2 | fields_view_base:: | |
| 170 | at( | ||
| 171 | field id) const | ||
| 172 | { | ||
| 173 | 2 | auto const it = find(id); | |
| 174 |
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2 | if(it == end()) |
| 175 |
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2 | BOOST_THROW_EXCEPTION( |
| 176 | std::out_of_range{ "field not found" }); | ||
| 177 | 1 | return it->value; | |
| 178 | } | ||
| 179 | |||
| 180 | core::string_view | ||
| 181 | 2 | fields_view_base:: | |
| 182 | at( | ||
| 183 | core::string_view name) const | ||
| 184 | { | ||
| 185 | 2 | auto const it = find(name); | |
| 186 |
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2 | if(it == end()) |
| 187 |
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2 | BOOST_THROW_EXCEPTION( |
| 188 | std::out_of_range{ "field not found" }); | ||
| 189 | 1 | return it->value; | |
| 190 | } | ||
| 191 | |||
| 192 | bool | ||
| 193 | 4 | fields_view_base:: | |
| 194 | exists( | ||
| 195 | field id) const noexcept | ||
| 196 | { | ||
| 197 | 4 | return find(id) != end(); | |
| 198 | } | ||
| 199 | |||
| 200 | bool | ||
| 201 | 7 | fields_view_base:: | |
| 202 | exists( | ||
| 203 | core::string_view name) const noexcept | ||
| 204 | { | ||
| 205 | 7 | return find(name) != end(); | |
| 206 | } | ||
| 207 | |||
| 208 | std::size_t | ||
| 209 | 12 | fields_view_base:: | |
| 210 | count(field id) const noexcept | ||
| 211 | { | ||
| 212 | 12 | std::size_t n = 0; | |
| 213 |
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57 | for(auto v : *this) |
| 214 |
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45 | if(v.id == id) |
| 215 | 11 | ++n; | |
| 216 | 12 | return n; | |
| 217 | } | ||
| 218 | |||
| 219 | std::size_t | ||
| 220 | 23 | fields_view_base:: | |
| 221 | count( | ||
| 222 | core::string_view name) const noexcept | ||
| 223 | { | ||
| 224 | 23 | std::size_t n = 0; | |
| 225 |
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103 | for(auto v : *this) |
| 226 |
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80 | if(grammar::ci_is_equal( |
| 227 | v.name, name)) | ||
| 228 | 31 | ++n; | |
| 229 | 23 | return n; | |
| 230 | } | ||
| 231 | |||
| 232 | auto | ||
| 233 | 99 | fields_view_base:: | |
| 234 | find(field id) const noexcept -> | ||
| 235 | iterator | ||
| 236 | { | ||
| 237 | 99 | auto it = begin(); | |
| 238 | 99 | auto const last = end(); | |
| 239 |
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213 | while(it != last) |
| 240 | { | ||
| 241 |
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204 | if(it->id == id) |
| 242 | 90 | break; | |
| 243 | 114 | ++it; | |
| 244 | } | ||
| 245 | 99 | return it; | |
| 246 | } | ||
| 247 | |||
| 248 | auto | ||
| 249 | 93 | fields_view_base:: | |
| 250 | find( | ||
| 251 | core::string_view name) const noexcept -> | ||
| 252 | iterator | ||
| 253 | { | ||
| 254 | 93 | auto it = begin(); | |
| 255 | 93 | auto const last = end(); | |
| 256 |
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206 | while(it != last) |
| 257 | { | ||
| 258 | 200 | if(grammar::ci_is_equal( | |
| 259 |
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400 | it->name, name)) |
| 260 | 87 | break; | |
| 261 | 113 | ++it; | |
| 262 | } | ||
| 263 | 93 | return it; | |
| 264 | } | ||
| 265 | |||
| 266 | auto | ||
| 267 | 2 | fields_view_base:: | |
| 268 | find( | ||
| 269 | iterator from, | ||
| 270 | field id) const noexcept -> | ||
| 271 | iterator | ||
| 272 | { | ||
| 273 | 2 | auto const last = end(); | |
| 274 |
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11 | while(from != last) |
| 275 | { | ||
| 276 |
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10 | if(from->id == id) |
| 277 | 1 | break; | |
| 278 | 9 | ++from; | |
| 279 | } | ||
| 280 | 2 | return from; | |
| 281 | } | ||
| 282 | |||
| 283 | auto | ||
| 284 | 2 | fields_view_base:: | |
| 285 | find( | ||
| 286 | iterator from, | ||
| 287 | core::string_view name) const noexcept -> | ||
| 288 | iterator | ||
| 289 | { | ||
| 290 | 2 | auto const last = end(); | |
| 291 |
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12 | while(from != last) |
| 292 | { | ||
| 293 | 11 | if(grammar::ci_is_equal( | |
| 294 |
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22 | name, from->name)) |
| 295 | 1 | break; | |
| 296 | 10 | ++from; | |
| 297 | } | ||
| 298 | 2 | return from; | |
| 299 | } | ||
| 300 | |||
| 301 | auto | ||
| 302 | 3 | fields_view_base:: | |
| 303 | find_last( | ||
| 304 | iterator it, | ||
| 305 | field id) const noexcept -> | ||
| 306 | iterator | ||
| 307 | { | ||
| 308 | 3 | auto const it0 = begin(); | |
| 309 | for(;;) | ||
| 310 | { | ||
| 311 |
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10 | if(it == it0) |
| 312 | 1 | return end(); | |
| 313 | 9 | --it; | |
| 314 |
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9 | if(it->id == id) |
| 315 | 2 | return it; | |
| 316 | } | ||
| 317 | } | ||
| 318 | |||
| 319 | auto | ||
| 320 | 3 | fields_view_base:: | |
| 321 | find_last( | ||
| 322 | iterator it, | ||
| 323 | core::string_view name) const noexcept -> | ||
| 324 | iterator | ||
| 325 | { | ||
| 326 | 3 | auto const it0 = begin(); | |
| 327 | for(;;) | ||
| 328 | { | ||
| 329 |
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14 | if(it == it0) |
| 330 | 1 | return end(); | |
| 331 | 13 | --it; | |
| 332 | 13 | if(grammar::ci_is_equal( | |
| 333 |
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26 | it->name, name)) |
| 334 | 2 | return it; | |
| 335 | } | ||
| 336 | } | ||
| 337 | |||
| 338 | core::string_view | ||
| 339 | 2 | fields_view_base:: | |
| 340 | value_or( | ||
| 341 | field id, | ||
| 342 | core::string_view s) const noexcept | ||
| 343 | { | ||
| 344 | 2 | auto it = find(id); | |
| 345 |
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2 | if(it != end()) |
| 346 | 1 | return it->value; | |
| 347 | 1 | return s; | |
| 348 | } | ||
| 349 | |||
| 350 | core::string_view | ||
| 351 | 2 | fields_view_base:: | |
| 352 | value_or( | ||
| 353 | core::string_view name, | ||
| 354 | core::string_view s) const noexcept | ||
| 355 | { | ||
| 356 | 2 | auto it = find(name); | |
| 357 |
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2 | if(it != end()) |
| 358 | 1 | return it->value; | |
| 359 | 1 | return s; | |
| 360 | } | ||
| 361 | |||
| 362 | //------------------------------------------------ | ||
| 363 | |||
| 364 | auto | ||
| 365 | 16 | fields_view_base:: | |
| 366 | find_all( | ||
| 367 | field id) const noexcept -> | ||
| 368 | subrange | ||
| 369 | { | ||
| 370 | 32 | return subrange( | |
| 371 | 16 | ph_, find(id).i_); | |
| 372 | } | ||
| 373 | |||
| 374 | auto | ||
| 375 | 5 | fields_view_base:: | |
| 376 | find_all( | ||
| 377 | core::string_view name) const noexcept -> | ||
| 378 | subrange | ||
| 379 | { | ||
| 380 | 10 | return subrange( | |
| 381 | 5 | ph_, find(name).i_); | |
| 382 | } | ||
| 383 | |||
| 384 | //------------------------------------------------ | ||
| 385 | |||
| 386 | std::ostream& | ||
| 387 | ✗ | operator<<( | |
| 388 | std::ostream& os, | ||
| 389 | const fields_view_base& f) | ||
| 390 | { | ||
| 391 | ✗ | return os << f.buffer(); | |
| 392 | } | ||
| 393 | |||
| 394 | } // http_proto | ||
| 395 | } // boost | ||
| 396 |