| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 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_IMPL_ANY_PARAMS_ITER_IPP | ||
| 11 | #define BOOST_URL_DETAIL_IMPL_ANY_PARAMS_ITER_IPP | ||
| 12 | |||
| 13 | #include <boost/url/detail/config.hpp> | ||
| 14 | #include <boost/url/detail/any_params_iter.hpp> | ||
| 15 | #include <boost/url/encode.hpp> | ||
| 16 | #include <boost/core/detail/string_view.hpp> | ||
| 17 | #include <boost/url/rfc/detail/charsets.hpp> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace urls { | ||
| 21 | namespace detail { | ||
| 22 | |||
| 23 | /* | ||
| 24 | When a string is transformed into a range of | ||
| 25 | params, the empty string becomes ambiguous: | ||
| 26 | it can be an empty range, or a range with | ||
| 27 | one param. The value `not_empty` is used on | ||
| 28 | construction to inform the transformation | ||
| 29 | that the empty string should be treated as | ||
| 30 | a one-element range. This simplifies | ||
| 31 | edit_params(). | ||
| 32 | */ | ||
| 33 | |||
| 34 | //------------------------------------------------ | ||
| 35 | // | ||
| 36 | // any_params_iter | ||
| 37 | // | ||
| 38 | //------------------------------------------------ | ||
| 39 | |||
| 40 | any_params_iter:: | ||
| 41 | ~any_params_iter() noexcept = default; | ||
| 42 | |||
| 43 | //------------------------------------------------ | ||
| 44 | // | ||
| 45 | // query_iter | ||
| 46 | // | ||
| 47 | //------------------------------------------------ | ||
| 48 | |||
| 49 | 32 | query_iter:: | |
| 50 | query_iter( | ||
| 51 | core::string_view s, | ||
| 52 | 32 | bool ne) noexcept | |
| 53 | : any_params_iter( | ||
| 54 |
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32 | s.empty() && ! ne, s) |
| 55 | { | ||
| 56 | 32 | rewind(); | |
| 57 | 32 | } | |
| 58 | |||
| 59 | void | ||
| 60 | 42 | query_iter:: | |
| 61 | rewind() noexcept | ||
| 62 | { | ||
| 63 |
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42 | if(empty) |
| 64 | { | ||
| 65 | 22 | at_end_ = true; | |
| 66 | 22 | return; | |
| 67 | } | ||
| 68 | 20 | p_ = s0.begin(); | |
| 69 |
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20 | if(! s0.empty()) |
| 70 | { | ||
| 71 | auto pos = | ||
| 72 | 14 | s0.find_first_of('&'); | |
| 73 |
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14 | if(pos != core::string_view::npos) |
| 74 | 2 | n_ = pos; | |
| 75 | else | ||
| 76 | 12 | n_ = s0.size(); | |
| 77 | } | ||
| 78 | else | ||
| 79 | { | ||
| 80 | 6 | n_ = 0; | |
| 81 | } | ||
| 82 | 20 | at_end_ = false; | |
| 83 | } | ||
| 84 | |||
| 85 | bool | ||
| 86 | 43 | query_iter:: | |
| 87 | measure( | ||
| 88 | std::size_t& n) noexcept | ||
| 89 | { | ||
| 90 |
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43 | if(at_end_) |
| 91 | 32 | return false; | |
| 92 | // When interacting with the query as | ||
| 93 | // an intact string, we do not treat | ||
| 94 | // the plus sign as an encoded space. | ||
| 95 | 11 | encoding_opts opt; | |
| 96 | 11 | opt.space_as_plus = false; | |
| 97 | 11 | n += encoded_size( | |
| 98 | core::string_view(p_, n_), | ||
| 99 | query_chars, | ||
| 100 | opt); | ||
| 101 | 11 | increment(); | |
| 102 | 11 | return true; | |
| 103 | } | ||
| 104 | |||
| 105 | void | ||
| 106 | 11 | query_iter:: | |
| 107 | copy( | ||
| 108 | char*& dest, | ||
| 109 | char const* end) noexcept | ||
| 110 | { | ||
| 111 |
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11 | BOOST_ASSERT(! at_end_); |
| 112 | // When interacting with the query as | ||
| 113 | // an intact string, we do not treat | ||
| 114 | // the plus sign as an encoded space. | ||
| 115 | 11 | encoding_opts opt; | |
| 116 | 11 | opt.space_as_plus = false; | |
| 117 | 11 | dest += encode_unsafe( | |
| 118 | dest, | ||
| 119 | 11 | end - dest, | |
| 120 | core::string_view(p_, n_), | ||
| 121 | query_chars, | ||
| 122 | opt); | ||
| 123 | 11 | increment(); | |
| 124 | 11 | } | |
| 125 | |||
| 126 | void | ||
| 127 | 22 | query_iter:: | |
| 128 | increment() noexcept | ||
| 129 | { | ||
| 130 | 22 | p_ += n_; | |
| 131 |
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22 | if(p_ == s0.end()) |
| 132 | { | ||
| 133 | 20 | at_end_ = true; | |
| 134 | 20 | return; | |
| 135 | } | ||
| 136 | 2 | ++p_; | |
| 137 | 2 | core::string_view s(p_, s0.end() - p_); | |
| 138 | 2 | auto pos = s.find_first_of('&'); | |
| 139 |
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2 | if(pos != core::string_view::npos) |
| 140 | ✗ | n_ = pos; | |
| 141 | else | ||
| 142 | 2 | n_ = s.size(); | |
| 143 | } | ||
| 144 | |||
| 145 | //------------------------------------------------ | ||
| 146 | // | ||
| 147 | // param_iter | ||
| 148 | // | ||
| 149 | //------------------------------------------------ | ||
| 150 | |||
| 151 | 17 | param_iter:: | |
| 152 | param_iter( | ||
| 153 | 17 | param_view const& p) noexcept | |
| 154 | : any_params_iter( | ||
| 155 | false, | ||
| 156 | p.key, | ||
| 157 | p.value) | ||
| 158 | 17 | , has_value_(p.has_value) | |
| 159 | { | ||
| 160 | 17 | } | |
| 161 | |||
| 162 | void | ||
| 163 | 17 | param_iter:: | |
| 164 | rewind() noexcept | ||
| 165 | { | ||
| 166 | 17 | at_end_ = false; | |
| 167 | 17 | } | |
| 168 | |||
| 169 | bool | ||
| 170 | 34 | param_iter:: | |
| 171 | measure(std::size_t& n) noexcept | ||
| 172 | { | ||
| 173 |
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34 | if(at_end_) |
| 174 | 17 | return false; | |
| 175 | 17 | encoding_opts opt; | |
| 176 | 17 | opt.space_as_plus = false; | |
| 177 | 17 | n += encoded_size( | |
| 178 | s0, | ||
| 179 | detail::param_key_chars, | ||
| 180 | opt); | ||
| 181 |
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17 | if(has_value_) |
| 182 | { | ||
| 183 | 17 | ++n; // '=' | |
| 184 | 17 | n += encoded_size( | |
| 185 | s1, | ||
| 186 | detail::param_value_chars, | ||
| 187 | opt); | ||
| 188 | } | ||
| 189 | 17 | at_end_ = true; | |
| 190 | 17 | return true; | |
| 191 | } | ||
| 192 | |||
| 193 | void | ||
| 194 | 17 | param_iter:: | |
| 195 | copy( | ||
| 196 | char*& dest, | ||
| 197 | char const* end) noexcept | ||
| 198 | { | ||
| 199 |
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17 | BOOST_ASSERT(! at_end_); |
| 200 | 17 | encoding_opts opt; | |
| 201 | 17 | opt.space_as_plus = false; | |
| 202 | 34 | dest += encode( | |
| 203 | dest, | ||
| 204 | 17 | end - dest, | |
| 205 | s0, | ||
| 206 | detail::param_key_chars, | ||
| 207 | opt); | ||
| 208 |
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17 | if(has_value_) |
| 209 | { | ||
| 210 | 17 | *dest++ = '='; | |
| 211 | 17 | dest += encode( | |
| 212 | dest, | ||
| 213 | 17 | end - dest, | |
| 214 | s1, | ||
| 215 | detail::param_value_chars, | ||
| 216 | opt); | ||
| 217 | } | ||
| 218 | 17 | } | |
| 219 | |||
| 220 | //------------------------------------------------ | ||
| 221 | // | ||
| 222 | // params_iter_base | ||
| 223 | // | ||
| 224 | //------------------------------------------------ | ||
| 225 | |||
| 226 | void | ||
| 227 | 68 | params_iter_base:: | |
| 228 | measure_impl( | ||
| 229 | std::size_t& n, | ||
| 230 | param_view const& p) noexcept | ||
| 231 | { | ||
| 232 | 68 | encoding_opts opt; | |
| 233 | 68 | opt.space_as_plus = false; | |
| 234 | 68 | n += encoded_size( | |
| 235 | p.key, | ||
| 236 | detail::param_key_chars, | ||
| 237 | opt); | ||
| 238 |
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68 | if(p.has_value) |
| 239 | { | ||
| 240 | 56 | ++n; // '=' | |
| 241 | 56 | n += encoded_size( | |
| 242 | p.value, | ||
| 243 | detail::param_value_chars, | ||
| 244 | opt); | ||
| 245 | } | ||
| 246 | 68 | } | |
| 247 | |||
| 248 | void | ||
| 249 | 68 | params_iter_base:: | |
| 250 | copy_impl( | ||
| 251 | char*& dest, | ||
| 252 | char const* end, | ||
| 253 | param_view const& p) noexcept | ||
| 254 | { | ||
| 255 | 68 | encoding_opts opt; | |
| 256 | 68 | opt.space_as_plus = false; | |
| 257 | 136 | dest += encode( | |
| 258 | dest, | ||
| 259 | 68 | end - dest, | |
| 260 | p.key, | ||
| 261 | detail::param_key_chars, | ||
| 262 | opt); | ||
| 263 |
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68 | if(p.has_value) |
| 264 | { | ||
| 265 | 56 | *dest++ = '='; | |
| 266 | 56 | dest += encode( | |
| 267 | dest, | ||
| 268 | 56 | end - dest, | |
| 269 | p.value, | ||
| 270 | detail::param_value_chars, | ||
| 271 | opt); | ||
| 272 | } | ||
| 273 | 68 | } | |
| 274 | |||
| 275 | //------------------------------------------------ | ||
| 276 | // | ||
| 277 | // param_encoded_iter | ||
| 278 | // | ||
| 279 | //------------------------------------------------ | ||
| 280 | |||
| 281 | 12 | param_encoded_iter:: | |
| 282 | param_encoded_iter( | ||
| 283 | 12 | param_pct_view const& p) noexcept | |
| 284 | : any_params_iter( | ||
| 285 | false, | ||
| 286 | p.key, | ||
| 287 | p.value) | ||
| 288 | 12 | , has_value_(p.has_value) | |
| 289 | { | ||
| 290 | 12 | } | |
| 291 | |||
| 292 | void | ||
| 293 | 12 | param_encoded_iter:: | |
| 294 | rewind() noexcept | ||
| 295 | { | ||
| 296 | 12 | at_end_ = false; | |
| 297 | 12 | } | |
| 298 | |||
| 299 | bool | ||
| 300 | 24 | param_encoded_iter:: | |
| 301 | measure(std::size_t& n) noexcept | ||
| 302 | { | ||
| 303 |
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24 | if(at_end_) |
| 304 | 12 | return false; | |
| 305 | 12 | encoding_opts opt; | |
| 306 | 12 | opt.space_as_plus = false; | |
| 307 | 12 | n += detail::re_encoded_size_unsafe( | |
| 308 | s0, | ||
| 309 | detail::param_key_chars, | ||
| 310 | opt); | ||
| 311 |
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12 | if(has_value_) |
| 312 | 12 | n += detail::re_encoded_size_unsafe( | |
| 313 | s1, | ||
| 314 | detail::param_value_chars, | ||
| 315 | 12 | opt) + 1; // for '=' | |
| 316 | 12 | at_end_ = true; | |
| 317 | 12 | return true; | |
| 318 | } | ||
| 319 | |||
| 320 | void | ||
| 321 | 12 | param_encoded_iter:: | |
| 322 | copy( | ||
| 323 | char*& dest, | ||
| 324 | char const* end) noexcept | ||
| 325 | { | ||
| 326 | 12 | encoding_opts opt; | |
| 327 | 12 | opt.space_as_plus = false; | |
| 328 | 12 | detail::re_encode_unsafe( | |
| 329 | dest, | ||
| 330 | end, | ||
| 331 | s0, | ||
| 332 | detail::param_key_chars, | ||
| 333 | opt); | ||
| 334 |
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12 | if(has_value_) |
| 335 | { | ||
| 336 | 12 | *dest++ = '='; | |
| 337 | 12 | detail::re_encode_unsafe( | |
| 338 | dest, | ||
| 339 | end, | ||
| 340 | s1, | ||
| 341 | detail::param_value_chars, | ||
| 342 | opt); | ||
| 343 | } | ||
| 344 | 12 | } | |
| 345 | |||
| 346 | |||
| 347 | //------------------------------------------------ | ||
| 348 | // | ||
| 349 | // params_encoded_iter_base | ||
| 350 | // | ||
| 351 | //------------------------------------------------ | ||
| 352 | |||
| 353 | void | ||
| 354 | 51 | params_encoded_iter_base:: | |
| 355 | measure_impl( | ||
| 356 | std::size_t& n, | ||
| 357 | param_view const& p) noexcept | ||
| 358 | { | ||
| 359 | 51 | encoding_opts opt; | |
| 360 | 51 | opt.space_as_plus = false; | |
| 361 | 51 | n += detail::re_encoded_size_unsafe( | |
| 362 | p.key, | ||
| 363 | detail::param_key_chars, | ||
| 364 | opt); | ||
| 365 |
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51 | if(p.has_value) |
| 366 | 42 | n += detail::re_encoded_size_unsafe( | |
| 367 | p.value, | ||
| 368 | detail::param_value_chars, | ||
| 369 | 42 | opt) + 1; // for '=' | |
| 370 | 51 | } | |
| 371 | |||
| 372 | void | ||
| 373 | 51 | params_encoded_iter_base:: | |
| 374 | copy_impl( | ||
| 375 | char*& dest, | ||
| 376 | char const* end, | ||
| 377 | param_view const& p) noexcept | ||
| 378 | { | ||
| 379 | 51 | encoding_opts opt; | |
| 380 | 51 | opt.space_as_plus = false; | |
| 381 | 51 | detail::re_encode_unsafe( | |
| 382 | dest, | ||
| 383 | end, | ||
| 384 | p.key, | ||
| 385 | detail::param_key_chars, | ||
| 386 | opt); | ||
| 387 |
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51 | if(p.has_value) |
| 388 | { | ||
| 389 | 42 | *dest++ = '='; | |
| 390 | 42 | detail::re_encode_unsafe( | |
| 391 | dest, | ||
| 392 | end, | ||
| 393 | p.value, | ||
| 394 | detail::param_value_chars, | ||
| 395 | opt); | ||
| 396 | } | ||
| 397 | 51 | } | |
| 398 | |||
| 399 | //------------------------------------------------ | ||
| 400 | // | ||
| 401 | // param_value_iter | ||
| 402 | // | ||
| 403 | //------------------------------------------------ | ||
| 404 | |||
| 405 | void | ||
| 406 | 9 | param_value_iter:: | |
| 407 | rewind() noexcept | ||
| 408 | { | ||
| 409 | 9 | at_end_ = false; | |
| 410 | 9 | } | |
| 411 | |||
| 412 | bool | ||
| 413 | 18 | param_value_iter:: | |
| 414 | measure( | ||
| 415 | std::size_t& n) noexcept | ||
| 416 | { | ||
| 417 |
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18 | if(at_end_) |
| 418 | 9 | return false; | |
| 419 | 9 | n += nk_; // skip key | |
| 420 |
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9 | if(has_value_) |
| 421 | { | ||
| 422 | 5 | encoding_opts opt; | |
| 423 | 5 | opt.space_as_plus = false; | |
| 424 | 5 | n += encoded_size( | |
| 425 | s0, | ||
| 426 | detail::param_value_chars, | ||
| 427 | 5 | opt) + 1; // for '=' | |
| 428 | } | ||
| 429 | 9 | at_end_ = true; | |
| 430 | 9 | return true; | |
| 431 | } | ||
| 432 | |||
| 433 | void | ||
| 434 | 9 | param_value_iter:: | |
| 435 | copy(char*& it, char const* end) noexcept | ||
| 436 | { | ||
| 437 | 9 | it += nk_; // skip key | |
| 438 |
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9 | if(! has_value_) |
| 439 | 4 | return; | |
| 440 | 5 | *it++ = '='; | |
| 441 | 5 | encoding_opts opt; | |
| 442 | 5 | opt.space_as_plus = false; | |
| 443 | 5 | it += encode( | |
| 444 | it, | ||
| 445 | 5 | end - it, | |
| 446 | s0, | ||
| 447 | detail::param_value_chars, | ||
| 448 | opt); | ||
| 449 | } | ||
| 450 | |||
| 451 | //------------------------------------------------ | ||
| 452 | // | ||
| 453 | // param_encoded_value_iter | ||
| 454 | // | ||
| 455 | //------------------------------------------------ | ||
| 456 | |||
| 457 | void | ||
| 458 | 8 | param_encoded_value_iter:: | |
| 459 | rewind() noexcept | ||
| 460 | { | ||
| 461 | 8 | at_end_ = false; | |
| 462 | 8 | } | |
| 463 | |||
| 464 | bool | ||
| 465 | 16 | param_encoded_value_iter:: | |
| 466 | measure( | ||
| 467 | std::size_t& n) noexcept | ||
| 468 | { | ||
| 469 |
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16 | if(at_end_) |
| 470 | 8 | return false; | |
| 471 | 8 | n += nk_; // skip key | |
| 472 |
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8 | if(has_value_) |
| 473 | { | ||
| 474 | 4 | encoding_opts opt; | |
| 475 | 4 | opt.space_as_plus = false; | |
| 476 | 4 | n += detail::re_encoded_size_unsafe( | |
| 477 | s0, | ||
| 478 | detail::param_value_chars, | ||
| 479 | 4 | opt) + 1; // for '=' | |
| 480 | } | ||
| 481 | 8 | at_end_ = true; | |
| 482 | 8 | return true; | |
| 483 | } | ||
| 484 | |||
| 485 | void | ||
| 486 | 8 | param_encoded_value_iter:: | |
| 487 | copy( | ||
| 488 | char*& dest, | ||
| 489 | char const* end) noexcept | ||
| 490 | { | ||
| 491 | 8 | dest += nk_; // skip key | |
| 492 |
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8 | if(! has_value_) |
| 493 | 4 | return; | |
| 494 | 4 | *dest++ = '='; | |
| 495 | 4 | encoding_opts opt; | |
| 496 | 4 | opt.space_as_plus = false; | |
| 497 | 4 | detail::re_encode_unsafe( | |
| 498 | dest, | ||
| 499 | end, | ||
| 500 | s0, | ||
| 501 | detail::param_value_chars, | ||
| 502 | opt); | ||
| 503 | } | ||
| 504 | |||
| 505 | } // detail | ||
| 506 | } // urls | ||
| 507 | } // boost | ||
| 508 | |||
| 509 | #endif | ||
| 510 |