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|---|---|---|---|
| 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 | #include <boost/http_proto/fields_view_base.hpp> | ||
| 11 | #include <boost/http_proto/field.hpp> | ||
| 12 | #include <boost/http_proto/detail/except.hpp> | ||
| 13 | #include <boost/url/grammar/ci_string.hpp> | ||
| 14 | #include <boost/url/grammar/parse.hpp> | ||
| 15 | #include <boost/assert.hpp> | ||
| 16 | #include <boost/assert/source_location.hpp> | ||
| 17 | #include <utility> | ||
| 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 | 1908 | fields_view_base:: | |
| 36 | iterator:: | ||
| 37 | operator*() const noexcept -> | ||
| 38 | reference | ||
| 39 | { | ||
| 40 |
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1908 | BOOST_ASSERT(i_ < ph_->count); |
| 41 | auto tab = | ||
| 42 | 1908 | ph_->tab(); | |
| 43 | auto const& e = | ||
| 44 | 1908 | tab[i_]; | |
| 45 | 1908 | auto const* p = | |
| 46 | 1908 | ph_->cbuf + ph_->prefix; | |
| 47 | return { | ||
| 48 | 1908 | e.id, | |
| 49 | core::string_view( | ||
| 50 | 1908 | p + e.np, e.nn), | |
| 51 | core::string_view( | ||
| 52 | 1908 | p + e.vp, e.vn) }; | |
| 53 | } | ||
| 54 | |||
| 55 | //------------------------------------------------ | ||
| 56 | |||
| 57 | auto | ||
| 58 | 24 | fields_view_base:: | |
| 59 | reverse_iterator:: | ||
| 60 | operator*() const noexcept -> | ||
| 61 | reference | ||
| 62 | { | ||
| 63 |
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24 | BOOST_ASSERT(i_ > 0); |
| 64 | auto tab = | ||
| 65 | 24 | ph_->tab(); | |
| 66 | auto const& e = | ||
| 67 | 24 | tab[i_-1]; | |
| 68 | 24 | auto const* p = | |
| 69 | 24 | ph_->cbuf + ph_->prefix; | |
| 70 | return { | ||
| 71 | 24 | e.id, | |
| 72 | core::string_view( | ||
| 73 | 24 | p + e.np, e.nn), | |
| 74 | core::string_view( | ||
| 75 | 24 | p + e.vp, e.vn) }; | |
| 76 | } | ||
| 77 | |||
| 78 | //------------------------------------------------ | ||
| 79 | |||
| 80 | 66 | fields_view_base:: | |
| 81 | subrange:: | ||
| 82 | iterator:: | ||
| 83 | iterator( | ||
| 84 | detail::header const* ph, | ||
| 85 | 66 | std::size_t i) noexcept | |
| 86 | : ph_(ph) | ||
| 87 | 66 | , i_(i) | |
| 88 | { | ||
| 89 |
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66 | BOOST_ASSERT(i <= ph_->count); |
| 90 | 66 | } | |
| 91 | |||
| 92 | 66 | fields_view_base:: | |
| 93 | subrange:: | ||
| 94 | iterator:: | ||
| 95 | iterator( | ||
| 96 | 66 | detail::header const* ph) noexcept | |
| 97 | : ph_(ph) | ||
| 98 | 66 | , i_(ph->count) | |
| 99 | { | ||
| 100 | 66 | } | |
| 101 | |||
| 102 | auto | ||
| 103 | 71 | fields_view_base:: | |
| 104 | subrange:: | ||
| 105 | iterator:: | ||
| 106 | operator*() const noexcept -> | ||
| 107 | reference const | ||
| 108 | { | ||
| 109 | auto tab = | ||
| 110 | 71 | ph_->tab(); | |
| 111 | auto const& e = | ||
| 112 | 71 | tab[i_]; | |
| 113 | 71 | auto const p = | |
| 114 | 71 | ph_->cbuf + ph_->prefix; | |
| 115 | 142 | return core::string_view( | |
| 116 | 71 | p + e.vp, e.vn); | |
| 117 | } | ||
| 118 | |||
| 119 | auto | ||
| 120 | 79 | fields_view_base:: | |
| 121 | subrange:: | ||
| 122 | iterator:: | ||
| 123 | operator++() noexcept -> | ||
| 124 | iterator& | ||
| 125 | { | ||
| 126 |
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79 | BOOST_ASSERT(i_ < ph_->count); |
| 127 | 79 | auto const* e = &ph_->tab()[i_]; | |
| 128 | 79 | auto const id = e->id; | |
| 129 |
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79 | if(id != field::unknown) |
| 130 | { | ||
| 131 | 72 | ++i_; | |
| 132 | 72 | --e; | |
| 133 |
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93 | while(i_ != ph_->count) |
| 134 | { | ||
| 135 |
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44 | if(e->id == id) |
| 136 | 23 | break; | |
| 137 | 21 | ++i_; | |
| 138 | 21 | --e; | |
| 139 | } | ||
| 140 | 72 | return *this; | |
| 141 | } | ||
| 142 | 7 | auto const p = | |
| 143 | 7 | ph_->cbuf + ph_->prefix; | |
| 144 | auto name = core::string_view( | ||
| 145 | 7 | p + e->np, e->nn); | |
| 146 | 7 | ++i_; | |
| 147 | 7 | --e; | |
| 148 |
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24 | while(i_ != ph_->count) |
| 149 | { | ||
| 150 |
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20 | if(grammar::ci_is_equal( |
| 151 | name, core::string_view( | ||
| 152 | 20 | p + e->np, e->nn))) | |
| 153 | 3 | break; | |
| 154 | 17 | ++i_; | |
| 155 | 17 | --e; | |
| 156 | } | ||
| 157 | 7 | return *this; | |
| 158 | } | ||
| 159 | |||
| 160 | //------------------------------------------------ | ||
| 161 | // | ||
| 162 | // fields_view_base | ||
| 163 | // | ||
| 164 | //------------------------------------------------ | ||
| 165 | |||
| 166 | bool | ||
| 167 | 4 | fields_view_base:: | |
| 168 | exists( | ||
| 169 | field id) const noexcept | ||
| 170 | { | ||
| 171 | 4 | return find(id) != end(); | |
| 172 | } | ||
| 173 | |||
| 174 | bool | ||
| 175 | 7 | fields_view_base:: | |
| 176 | exists( | ||
| 177 | core::string_view name) const noexcept | ||
| 178 | { | ||
| 179 | 7 | return find(name) != end(); | |
| 180 | } | ||
| 181 | |||
| 182 | std::size_t | ||
| 183 | 12 | fields_view_base:: | |
| 184 | count(field id) const noexcept | ||
| 185 | { | ||
| 186 | 12 | std::size_t n = 0; | |
| 187 |
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57 | for(auto v : *this) |
| 188 |
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45 | if(v.id == id) |
| 189 | 11 | ++n; | |
| 190 | 12 | return n; | |
| 191 | } | ||
| 192 | |||
| 193 | std::size_t | ||
| 194 | 14 | fields_view_base:: | |
| 195 | count( | ||
| 196 | core::string_view name) const noexcept | ||
| 197 | { | ||
| 198 | 14 | std::size_t n = 0; | |
| 199 |
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76 | for(auto v : *this) |
| 200 |
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62 | if(grammar::ci_is_equal( |
| 201 | v.name, name)) | ||
| 202 | 19 | ++n; | |
| 203 | 14 | return n; | |
| 204 | } | ||
| 205 | |||
| 206 | auto | ||
| 207 | 68 | fields_view_base:: | |
| 208 | find(field id) const noexcept -> | ||
| 209 | iterator | ||
| 210 | { | ||
| 211 | 68 | auto it = begin(); | |
| 212 | 68 | auto const last = end(); | |
| 213 |
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167 | while(it != last) |
| 214 | { | ||
| 215 |
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159 | if(it->id == id) |
| 216 | 60 | break; | |
| 217 | 99 | ++it; | |
| 218 | } | ||
| 219 | 68 | return it; | |
| 220 | } | ||
| 221 | |||
| 222 | auto | ||
| 223 | 90 | fields_view_base:: | |
| 224 | find( | ||
| 225 | core::string_view name) const noexcept -> | ||
| 226 | iterator | ||
| 227 | { | ||
| 228 | 90 | auto it = begin(); | |
| 229 | 90 | auto const last = end(); | |
| 230 |
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199 | while(it != last) |
| 231 | { | ||
| 232 | 191 | if(grammar::ci_is_equal( | |
| 233 |
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382 | it->name, name)) |
| 234 | 82 | break; | |
| 235 | 109 | ++it; | |
| 236 | } | ||
| 237 | 90 | return it; | |
| 238 | } | ||
| 239 | |||
| 240 | auto | ||
| 241 | 2 | fields_view_base:: | |
| 242 | find( | ||
| 243 | iterator from, | ||
| 244 | field id) const noexcept -> | ||
| 245 | iterator | ||
| 246 | { | ||
| 247 | 2 | auto const last = end(); | |
| 248 |
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11 | while(from != last) |
| 249 | { | ||
| 250 |
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10 | if(from->id == id) |
| 251 | 1 | break; | |
| 252 | 9 | ++from; | |
| 253 | } | ||
| 254 | 2 | return from; | |
| 255 | } | ||
| 256 | |||
| 257 | auto | ||
| 258 | 2 | fields_view_base:: | |
| 259 | find( | ||
| 260 | iterator from, | ||
| 261 | core::string_view name) const noexcept -> | ||
| 262 | iterator | ||
| 263 | { | ||
| 264 | 2 | auto const last = end(); | |
| 265 |
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12 | while(from != last) |
| 266 | { | ||
| 267 | 11 | if(grammar::ci_is_equal( | |
| 268 |
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22 | name, from->name)) |
| 269 | 1 | break; | |
| 270 | 10 | ++from; | |
| 271 | } | ||
| 272 | 2 | return from; | |
| 273 | } | ||
| 274 | |||
| 275 | auto | ||
| 276 | 27 | fields_view_base:: | |
| 277 | find_last( | ||
| 278 | iterator it, | ||
| 279 | field id) const noexcept -> | ||
| 280 | iterator | ||
| 281 | { | ||
| 282 | 27 | auto const it0 = begin(); | |
| 283 | for(;;) | ||
| 284 | { | ||
| 285 |
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40 | if(it == it0) |
| 286 | 4 | return end(); | |
| 287 | 36 | --it; | |
| 288 |
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36 | if(it->id == id) |
| 289 | 23 | return it; | |
| 290 | } | ||
| 291 | } | ||
| 292 | |||
| 293 | auto | ||
| 294 | 3 | fields_view_base:: | |
| 295 | find_last( | ||
| 296 | iterator it, | ||
| 297 | core::string_view name) const noexcept -> | ||
| 298 | iterator | ||
| 299 | { | ||
| 300 | 3 | auto const it0 = begin(); | |
| 301 | for(;;) | ||
| 302 | { | ||
| 303 |
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14 | if(it == it0) |
| 304 | 1 | return end(); | |
| 305 | 13 | --it; | |
| 306 | 13 | if(grammar::ci_is_equal( | |
| 307 |
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26 | it->name, name)) |
| 308 | 2 | return it; | |
| 309 | } | ||
| 310 | } | ||
| 311 | |||
| 312 | core::string_view | ||
| 313 | 2 | fields_view_base:: | |
| 314 | value_or( | ||
| 315 | field id, | ||
| 316 | core::string_view s) const noexcept | ||
| 317 | { | ||
| 318 | 2 | auto it = find(id); | |
| 319 |
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2 | if(it != end()) |
| 320 | 1 | return it->value; | |
| 321 | 1 | return s; | |
| 322 | } | ||
| 323 | |||
| 324 | core::string_view | ||
| 325 | 2 | fields_view_base:: | |
| 326 | value_or( | ||
| 327 | core::string_view name, | ||
| 328 | core::string_view s) const noexcept | ||
| 329 | { | ||
| 330 | 2 | auto it = find(name); | |
| 331 |
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2 | if(it != end()) |
| 332 | 1 | return it->value; | |
| 333 | 1 | return s; | |
| 334 | } | ||
| 335 | |||
| 336 | //------------------------------------------------ | ||
| 337 | |||
| 338 | auto | ||
| 339 | 16 | fields_view_base:: | |
| 340 | find_all( | ||
| 341 | field id) const noexcept -> | ||
| 342 | subrange | ||
| 343 | { | ||
| 344 | 32 | return subrange( | |
| 345 | 16 | ph_, find(id).i_); | |
| 346 | } | ||
| 347 | |||
| 348 | auto | ||
| 349 | 5 | fields_view_base:: | |
| 350 | find_all( | ||
| 351 | core::string_view name) const noexcept -> | ||
| 352 | subrange | ||
| 353 | { | ||
| 354 | 10 | return subrange( | |
| 355 | 5 | ph_, find(name).i_); | |
| 356 | } | ||
| 357 | |||
| 358 | //------------------------------------------------ | ||
| 359 | |||
| 360 | } // http_proto | ||
| 361 | } // boost | ||
| 362 |