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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/field.hpp> | ||
| 12 | #include <boost/assert.hpp> | ||
| 13 | #include <boost/core/detail/string_view.hpp> | ||
| 14 | #include <array> | ||
| 15 | #include <cstdint> | ||
| 16 | #include <cstring> | ||
| 17 | #include <ostream> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace http_proto { | ||
| 21 | |||
| 22 | namespace detail { | ||
| 23 | |||
| 24 | struct field_table | ||
| 25 | { | ||
| 26 | static | ||
| 27 | std::uint32_t | ||
| 28 | 122726 | get_chars( | |
| 29 | unsigned char const* p) noexcept | ||
| 30 | { | ||
| 31 | // VFALCO memcpy is endian-dependent | ||
| 32 | //std::memcpy(&v, p, 4); | ||
| 33 | // Compiler should be smart enough to | ||
| 34 | // optimize this down to one instruction. | ||
| 35 | return | ||
| 36 | 122726 | p[0] | | |
| 37 | 122726 | (p[1] << 8) | | |
| 38 | 122726 | (p[2] << 16) | | |
| 39 | 122726 | (p[3] << 24); | |
| 40 | } | ||
| 41 | |||
| 42 | using array_type = std::array< | ||
| 43 | core::string_view, 357>; | ||
| 44 | |||
| 45 | // Strings are converted to lowercase | ||
| 46 | static | ||
| 47 | std::uint32_t | ||
| 48 | 17799 | digest(core::string_view s) | |
| 49 | { | ||
| 50 | 17799 | std::uint32_t r = 0; | |
| 51 | 17799 | std::size_t n = s.size(); | |
| 52 | auto p = reinterpret_cast< | ||
| 53 | 17799 | unsigned char const*>(s.data()); | |
| 54 | // consume N characters at a time | ||
| 55 | // VFALCO Can we do 8 on 64-bit systems? | ||
| 56 |
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70329 | while(n >= 4) |
| 57 | { | ||
| 58 | 52530 | auto const v = get_chars(p); | |
| 59 | 52530 | r = (r * 5 + ( | |
| 60 | 52530 | v | 0x20202020 )); // convert to lower | |
| 61 | 52530 | p += 4; | |
| 62 | 52530 | n -= 4; | |
| 63 | } | ||
| 64 | // handle remaining characters | ||
| 65 |
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44838 | while( n > 0 ) |
| 66 | { | ||
| 67 | 27039 | r = r * 5 + ( *p | 0x20 ); | |
| 68 | 27039 | ++p; | |
| 69 | 27039 | --n; | |
| 70 | } | ||
| 71 | 17799 | return r; | |
| 72 | } | ||
| 73 | |||
| 74 | // This comparison is case-insensitive, and the | ||
| 75 | // strings must contain only valid http field characters. | ||
| 76 | static | ||
| 77 | bool | ||
| 78 | 11120 | equals( | |
| 79 | core::string_view lhs, | ||
| 80 | core::string_view rhs) | ||
| 81 | { | ||
| 82 | using Int = std::uint32_t; // VFALCO std::size_t? | ||
| 83 | 11120 | auto n = lhs.size(); | |
| 84 |
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11120 | if(n != rhs.size()) |
| 85 | 5 | return false; | |
| 86 | auto p1 = reinterpret_cast< | ||
| 87 | 11115 | unsigned char const*>(lhs.data()); | |
| 88 | auto p2 = reinterpret_cast< | ||
| 89 | 11115 | unsigned char const*>(rhs.data()); | |
| 90 | 11115 | auto constexpr S = sizeof(Int); | |
| 91 | 11115 | auto constexpr Mask = static_cast<Int>( | |
| 92 | 0xDFDFDFDFDFDFDFDF & ~Int{0}); | ||
| 93 |
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46213 | for(; n >= S; p1 += S, p2 += S, n -= S) |
| 94 | { | ||
| 95 | 35098 | Int const v1 = get_chars(p1); | |
| 96 | 35098 | Int const v2 = get_chars(p2); | |
| 97 |
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35098 | if((v1 ^ v2) & Mask) |
| 98 | ✗ | return false; | |
| 99 | } | ||
| 100 |
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28716 | for(; n; ++p1, ++p2, --n) |
| 101 |
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17601 | if(( *p1 ^ *p2) & 0xDF) |
| 102 | ✗ | return false; | |
| 103 | 11115 | return true; | |
| 104 | } | ||
| 105 | |||
| 106 | array_type by_name_; | ||
| 107 | |||
| 108 | enum { N = 5155 }; | ||
| 109 | unsigned char map_[ N ][ 2 ] = {}; | ||
| 110 | |||
| 111 | /* | ||
| 112 | From: | ||
| 113 | |||
| 114 | https://www.iana.org/assignments/message-headers/message-headers.xhtml | ||
| 115 | */ | ||
| 116 | 16 | field_table() | |
| 117 | 16 | : by_name_({{ | |
| 118 | // string constants | ||
| 119 | "<unknown-field>", | ||
| 120 | "A-IM", | ||
| 121 | "Accept", | ||
| 122 | "Accept-Additions", | ||
| 123 | "Accept-Charset", | ||
| 124 | "Accept-Datetime", | ||
| 125 | "Accept-Encoding", | ||
| 126 | "Accept-Features", | ||
| 127 | "Accept-Language", | ||
| 128 | "Accept-Patch", | ||
| 129 | "Accept-Post", | ||
| 130 | "Accept-Ranges", | ||
| 131 | "Access-Control", | ||
| 132 | "Access-Control-Allow-Credentials", | ||
| 133 | "Access-Control-Allow-Headers", | ||
| 134 | "Access-Control-Allow-Methods", | ||
| 135 | "Access-Control-Allow-Origin", | ||
| 136 | "Access-Control-Expose-Headers", | ||
| 137 | "Access-Control-Max-Age", | ||
| 138 | "Access-Control-Request-Headers", | ||
| 139 | "Access-Control-Request-Method", | ||
| 140 | "Age", | ||
| 141 | "Allow", | ||
| 142 | "ALPN", | ||
| 143 | "Also-Control", | ||
| 144 | "Alt-Svc", | ||
| 145 | "Alt-Used", | ||
| 146 | "Alternate-Recipient", | ||
| 147 | "Alternates", | ||
| 148 | "Apparently-To", | ||
| 149 | "Apply-To-Redirect-Ref", | ||
| 150 | "Approved", | ||
| 151 | "Archive", | ||
| 152 | "Archived-At", | ||
| 153 | "Article-Names", | ||
| 154 | "Article-Updates", | ||
| 155 | "Authentication-Control", | ||
| 156 | "Authentication-Info", | ||
| 157 | "Authentication-Results", | ||
| 158 | "Authorization", | ||
| 159 | "Auto-Submitted", | ||
| 160 | "Autoforwarded", | ||
| 161 | "Autosubmitted", | ||
| 162 | "Base", | ||
| 163 | "Bcc", | ||
| 164 | "Body", | ||
| 165 | "C-Ext", | ||
| 166 | "C-Man", | ||
| 167 | "C-Opt", | ||
| 168 | "C-PEP", | ||
| 169 | "C-PEP-Info", | ||
| 170 | "Cache-Control", | ||
| 171 | "CalDAV-Timezones", | ||
| 172 | "Cancel-Key", | ||
| 173 | "Cancel-Lock", | ||
| 174 | "Cc", | ||
| 175 | "Close", | ||
| 176 | "Comments", | ||
| 177 | "Compliance", | ||
| 178 | "Connection", | ||
| 179 | "Content-Alternative", | ||
| 180 | "Content-Base", | ||
| 181 | "Content-Description", | ||
| 182 | "Content-Disposition", | ||
| 183 | "Content-Duration", | ||
| 184 | "Content-Encoding", | ||
| 185 | "Content-features", | ||
| 186 | "Content-ID", | ||
| 187 | "Content-Identifier", | ||
| 188 | "Content-Language", | ||
| 189 | "Content-Length", | ||
| 190 | "Content-Location", | ||
| 191 | "Content-MD5", | ||
| 192 | "Content-Range", | ||
| 193 | "Content-Return", | ||
| 194 | "Content-Script-Type", | ||
| 195 | "Content-Style-Type", | ||
| 196 | "Content-Transfer-Encoding", | ||
| 197 | "Content-Type", | ||
| 198 | "Content-Version", | ||
| 199 | "Control", | ||
| 200 | "Conversion", | ||
| 201 | "Conversion-With-Loss", | ||
| 202 | "Cookie", | ||
| 203 | "Cookie2", | ||
| 204 | "Cost", | ||
| 205 | "DASL", | ||
| 206 | "Date", | ||
| 207 | "Date-Received", | ||
| 208 | "DAV", | ||
| 209 | "Default-Style", | ||
| 210 | "Deferred-Delivery", | ||
| 211 | "Delivery-Date", | ||
| 212 | "Delta-Base", | ||
| 213 | "Depth", | ||
| 214 | "Derived-From", | ||
| 215 | "Destination", | ||
| 216 | "Differential-ID", | ||
| 217 | "Digest", | ||
| 218 | "Discarded-X400-IPMS-Extensions", | ||
| 219 | "Discarded-X400-MTS-Extensions", | ||
| 220 | "Disclose-Recipients", | ||
| 221 | "Disposition-Notification-Options", | ||
| 222 | "Disposition-Notification-To", | ||
| 223 | "Distribution", | ||
| 224 | "DKIM-Signature", | ||
| 225 | "DL-Expansion-History", | ||
| 226 | "Downgraded-Bcc", | ||
| 227 | "Downgraded-Cc", | ||
| 228 | "Downgraded-Disposition-Notification-To", | ||
| 229 | "Downgraded-Final-Recipient", | ||
| 230 | "Downgraded-From", | ||
| 231 | "Downgraded-In-Reply-To", | ||
| 232 | "Downgraded-Mail-From", | ||
| 233 | "Downgraded-Message-Id", | ||
| 234 | "Downgraded-Original-Recipient", | ||
| 235 | "Downgraded-Rcpt-To", | ||
| 236 | "Downgraded-References", | ||
| 237 | "Downgraded-Reply-To", | ||
| 238 | "Downgraded-Resent-Bcc", | ||
| 239 | "Downgraded-Resent-Cc", | ||
| 240 | "Downgraded-Resent-From", | ||
| 241 | "Downgraded-Resent-Reply-To", | ||
| 242 | "Downgraded-Resent-Sender", | ||
| 243 | "Downgraded-Resent-To", | ||
| 244 | "Downgraded-Return-Path", | ||
| 245 | "Downgraded-Sender", | ||
| 246 | "Downgraded-To", | ||
| 247 | "EDIINT-Features", | ||
| 248 | "Eesst-Version", | ||
| 249 | "Encoding", | ||
| 250 | "Encrypted", | ||
| 251 | "Errors-To", | ||
| 252 | "ETag", | ||
| 253 | "Expect", | ||
| 254 | "Expires", | ||
| 255 | "Expiry-Date", | ||
| 256 | "Ext", | ||
| 257 | "Followup-To", | ||
| 258 | "Forwarded", | ||
| 259 | "From", | ||
| 260 | "Generate-Delivery-Report", | ||
| 261 | "GetProfile", | ||
| 262 | "Hobareg", | ||
| 263 | "Host", | ||
| 264 | "HTTP2-Settings", | ||
| 265 | "If", | ||
| 266 | "If-Match", | ||
| 267 | "If-Modified-Since", | ||
| 268 | "If-None-Match", | ||
| 269 | "If-Range", | ||
| 270 | "If-Schedule-Tag-Match", | ||
| 271 | "If-Unmodified-Since", | ||
| 272 | "IM", | ||
| 273 | "Importance", | ||
| 274 | "In-Reply-To", | ||
| 275 | "Incomplete-Copy", | ||
| 276 | "Injection-Date", | ||
| 277 | "Injection-Info", | ||
| 278 | "Jabber-ID", | ||
| 279 | "Keep-Alive", | ||
| 280 | "Keywords", | ||
| 281 | "Label", | ||
| 282 | "Language", | ||
| 283 | "Last-Modified", | ||
| 284 | "Latest-Delivery-Time", | ||
| 285 | "Lines", | ||
| 286 | "Link", | ||
| 287 | "List-Archive", | ||
| 288 | "List-Help", | ||
| 289 | "List-ID", | ||
| 290 | "List-Owner", | ||
| 291 | "List-Post", | ||
| 292 | "List-Subscribe", | ||
| 293 | "List-Unsubscribe", | ||
| 294 | "List-Unsubscribe-Post", | ||
| 295 | "Location", | ||
| 296 | "Lock-Token", | ||
| 297 | "Man", | ||
| 298 | "Max-Forwards", | ||
| 299 | "Memento-Datetime", | ||
| 300 | "Message-Context", | ||
| 301 | "Message-ID", | ||
| 302 | "Message-Type", | ||
| 303 | "Meter", | ||
| 304 | "Method-Check", | ||
| 305 | "Method-Check-Expires", | ||
| 306 | "MIME-Version", | ||
| 307 | "MMHS-Acp127-Message-Identifier", | ||
| 308 | "MMHS-Authorizing-Users", | ||
| 309 | "MMHS-Codress-Message-Indicator", | ||
| 310 | "MMHS-Copy-Precedence", | ||
| 311 | "MMHS-Exempted-Address", | ||
| 312 | "MMHS-Extended-Authorisation-Info", | ||
| 313 | "MMHS-Handling-Instructions", | ||
| 314 | "MMHS-Message-Instructions", | ||
| 315 | "MMHS-Message-Type", | ||
| 316 | "MMHS-Originator-PLAD", | ||
| 317 | "MMHS-Originator-Reference", | ||
| 318 | "MMHS-Other-Recipients-Indicator-CC", | ||
| 319 | "MMHS-Other-Recipients-Indicator-To", | ||
| 320 | "MMHS-Primary-Precedence", | ||
| 321 | "MMHS-Subject-Indicator-Codes", | ||
| 322 | "MT-Priority", | ||
| 323 | "Negotiate", | ||
| 324 | "Newsgroups", | ||
| 325 | "NNTP-Posting-Date", | ||
| 326 | "NNTP-Posting-Host", | ||
| 327 | "Non-Compliance", | ||
| 328 | "Obsoletes", | ||
| 329 | "Opt", | ||
| 330 | "Optional", | ||
| 331 | "Optional-WWW-Authenticate", | ||
| 332 | "Ordering-Type", | ||
| 333 | "Organization", | ||
| 334 | "Origin", | ||
| 335 | "Original-Encoded-Information-Types", | ||
| 336 | "Original-From", | ||
| 337 | "Original-Message-ID", | ||
| 338 | "Original-Recipient", | ||
| 339 | "Original-Sender", | ||
| 340 | "Original-Subject", | ||
| 341 | "Originator-Return-Address", | ||
| 342 | "Overwrite", | ||
| 343 | "P3P", | ||
| 344 | "Path", | ||
| 345 | "PEP", | ||
| 346 | "Pep-Info", | ||
| 347 | "PICS-Label", | ||
| 348 | "Position", | ||
| 349 | "Posting-Version", | ||
| 350 | "Pragma", | ||
| 351 | "Prefer", | ||
| 352 | "Preference-Applied", | ||
| 353 | "Prevent-NonDelivery-Report", | ||
| 354 | "Priority", | ||
| 355 | "Privicon", | ||
| 356 | "ProfileObject", | ||
| 357 | "Protocol", | ||
| 358 | "Protocol-Info", | ||
| 359 | "Protocol-Query", | ||
| 360 | "Protocol-Request", | ||
| 361 | "Proxy-Authenticate", | ||
| 362 | "Proxy-Authentication-Info", | ||
| 363 | "Proxy-Authorization", | ||
| 364 | "Proxy-Connection", | ||
| 365 | "Proxy-Features", | ||
| 366 | "Proxy-Instruction", | ||
| 367 | "Public", | ||
| 368 | "Public-Key-Pins", | ||
| 369 | "Public-Key-Pins-Report-Only", | ||
| 370 | "Range", | ||
| 371 | "Received", | ||
| 372 | "Received-SPF", | ||
| 373 | "Redirect-Ref", | ||
| 374 | "References", | ||
| 375 | "Referer", | ||
| 376 | "Referer-Root", | ||
| 377 | "Relay-Version", | ||
| 378 | "Reply-By", | ||
| 379 | "Reply-To", | ||
| 380 | "Require-Recipient-Valid-Since", | ||
| 381 | "Resent-Bcc", | ||
| 382 | "Resent-Cc", | ||
| 383 | "Resent-Date", | ||
| 384 | "Resent-From", | ||
| 385 | "Resent-Message-ID", | ||
| 386 | "Resent-Reply-To", | ||
| 387 | "Resent-Sender", | ||
| 388 | "Resent-To", | ||
| 389 | "Resolution-Hint", | ||
| 390 | "Resolver-Location", | ||
| 391 | "Retry-After", | ||
| 392 | "Return-Path", | ||
| 393 | "Safe", | ||
| 394 | "Schedule-Reply", | ||
| 395 | "Schedule-Tag", | ||
| 396 | "Sec-Fetch-Dest", | ||
| 397 | "Sec-Fetch-Mode", | ||
| 398 | "Sec-Fetch-Site", | ||
| 399 | "Sec-Fetch-User", | ||
| 400 | "Sec-WebSocket-Accept", | ||
| 401 | "Sec-WebSocket-Extensions", | ||
| 402 | "Sec-WebSocket-Key", | ||
| 403 | "Sec-WebSocket-Protocol", | ||
| 404 | "Sec-WebSocket-Version", | ||
| 405 | "Security-Scheme", | ||
| 406 | "See-Also", | ||
| 407 | "Sender", | ||
| 408 | "Sensitivity", | ||
| 409 | "Server", | ||
| 410 | "Set-Cookie", | ||
| 411 | "Set-Cookie2", | ||
| 412 | "SetProfile", | ||
| 413 | "SIO-Label", | ||
| 414 | "SIO-Label-History", | ||
| 415 | "SLUG", | ||
| 416 | "SoapAction", | ||
| 417 | "Solicitation", | ||
| 418 | "Status-URI", | ||
| 419 | "Strict-Transport-Security", | ||
| 420 | "Subject", | ||
| 421 | "SubOK", | ||
| 422 | "Subst", | ||
| 423 | "Summary", | ||
| 424 | "Supersedes", | ||
| 425 | "Surrogate-Capability", | ||
| 426 | "Surrogate-Control", | ||
| 427 | "TCN", | ||
| 428 | "TE", | ||
| 429 | "Timeout", | ||
| 430 | "Title", | ||
| 431 | "To", | ||
| 432 | "Topic", | ||
| 433 | "Trailer", | ||
| 434 | "Transfer-Encoding", | ||
| 435 | "TTL", | ||
| 436 | "UA-Color", | ||
| 437 | "UA-Media", | ||
| 438 | "UA-Pixels", | ||
| 439 | "UA-Resolution", | ||
| 440 | "UA-Windowpixels", | ||
| 441 | "Upgrade", | ||
| 442 | "Urgency", | ||
| 443 | "URI", | ||
| 444 | "User-Agent", | ||
| 445 | "Variant-Vary", | ||
| 446 | "Vary", | ||
| 447 | "VBR-Info", | ||
| 448 | "Version", | ||
| 449 | "Via", | ||
| 450 | "Want-Digest", | ||
| 451 | "Warning", | ||
| 452 | "WWW-Authenticate", | ||
| 453 | "X-Archived-At", | ||
| 454 | "X-Device-Accept", | ||
| 455 | "X-Device-Accept-Charset", | ||
| 456 | "X-Device-Accept-Encoding", | ||
| 457 | "X-Device-Accept-Language", | ||
| 458 | "X-Device-User-Agent", | ||
| 459 | "X-Frame-Options", | ||
| 460 | "X-Mittente", | ||
| 461 | "X-PGP-Sig", | ||
| 462 | "X-Ricevuta", | ||
| 463 | "X-Riferimento-Message-ID", | ||
| 464 | "X-TipoRicevuta", | ||
| 465 | "X-Trasporto", | ||
| 466 | "X-VerificaSicurezza", | ||
| 467 | "X400-Content-Identifier", | ||
| 468 | "X400-Content-Return", | ||
| 469 | "X400-Content-Type", | ||
| 470 | "X400-MTS-Identifier", | ||
| 471 | "X400-Originator", | ||
| 472 | "X400-Received", | ||
| 473 | "X400-Recipients", | ||
| 474 | "X400-Trace", | ||
| 475 | "Xref" | ||
| 476 | 16 | }}) | |
| 477 | { | ||
| 478 |
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4096 | for(std::size_t i = 1, n = 256; i < n; ++i) |
| 479 | { | ||
| 480 | 4080 | auto sv = by_name_[ i ]; | |
| 481 | 4080 | auto h = digest(sv); | |
| 482 | 4080 | auto j = h % N; | |
| 483 |
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4080 | BOOST_ASSERT(map_[j][0] == 0); |
| 484 | 4080 | map_[j][0] = static_cast<unsigned char>(i); | |
| 485 | } | ||
| 486 | |||
| 487 |
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1648 | for(std::size_t i = 256, n = by_name_.size(); i < n; ++i) |
| 488 | { | ||
| 489 | 1616 | auto sv = by_name_[i]; | |
| 490 | 1616 | auto h = digest(sv); | |
| 491 | 1616 | auto j = h % N; | |
| 492 |
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1616 | BOOST_ASSERT(map_[j][1] == 0); |
| 493 | 1616 | map_[j][1] = static_cast<unsigned char>(i - 255); | |
| 494 | } | ||
| 495 | 16 | } | |
| 496 | |||
| 497 | optional<field> | ||
| 498 | 12103 | string_to_field( | |
| 499 | core::string_view s) const noexcept | ||
| 500 | { | ||
| 501 | 12103 | auto h = digest(s); | |
| 502 | 12103 | auto j = h % N; | |
| 503 | 12103 | int i = map_[j][0]; | |
| 504 | 12103 | core::string_view s2 = by_name_[i]; | |
| 505 |
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12103 | if(i != 0 && equals(s, s2)) |
| 506 | 5505 | return static_cast<field>(i); | |
| 507 | 6598 | i = map_[j][1]; | |
| 508 |
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6598 | if(i == 0) |
| 509 | 988 | return boost::none; | |
| 510 | 5610 | i += 255; | |
| 511 | 5610 | s2 = by_name_[i]; | |
| 512 | |||
| 513 |
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5610 | if(equals(s, s2)) |
| 514 | 5610 | return static_cast<field>(i); | |
| 515 | ✗ | return boost::none; | |
| 516 | } | ||
| 517 | |||
| 518 | // | ||
| 519 | // Deprecated | ||
| 520 | // | ||
| 521 | |||
| 522 | using const_iterator = | ||
| 523 | array_type::const_iterator; | ||
| 524 | |||
| 525 | std::size_t | ||
| 526 | 593 | size() const | |
| 527 | { | ||
| 528 | 1186 | return by_name_.size(); | |
| 529 | } | ||
| 530 | |||
| 531 | const_iterator | ||
| 532 | 593 | begin() const | |
| 533 | { | ||
| 534 | 593 | return by_name_.begin(); | |
| 535 | } | ||
| 536 | |||
| 537 | const_iterator | ||
| 538 | end() const | ||
| 539 | { | ||
| 540 | return by_name_.end(); | ||
| 541 | } | ||
| 542 | }; | ||
| 543 | |||
| 544 | static | ||
| 545 | field_table const& | ||
| 546 | 12696 | get_field_table() noexcept | |
| 547 | { | ||
| 548 |
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12696 | static field_table const tab; |
| 549 | 12696 | return tab; | |
| 550 | } | ||
| 551 | |||
| 552 | } // detail | ||
| 553 | |||
| 554 | core::string_view | ||
| 555 | 593 | to_string(field f) | |
| 556 | { | ||
| 557 | 593 | auto const& v = detail::get_field_table(); | |
| 558 |
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593 | BOOST_ASSERT(static_cast<unsigned>(f) < v.size()); |
| 559 | 593 | return v.begin()[static_cast<unsigned>(f)]; | |
| 560 | } | ||
| 561 | |||
| 562 | boost::optional<field> | ||
| 563 | 12103 | string_to_field( | |
| 564 | core::string_view s) noexcept | ||
| 565 | { | ||
| 566 | 12103 | return detail::get_field_table().string_to_field(s); | |
| 567 | } | ||
| 568 | |||
| 569 | std::ostream& | ||
| 570 | ✗ | operator<<(std::ostream& os, field f) | |
| 571 | { | ||
| 572 | ✗ | return os << to_string(f); | |
| 573 | } | ||
| 574 | |||
| 575 | } // http_proto | ||
| 576 | } // boost | ||
| 577 |