1// -*- C++ -*- 2//===--------------------------- regex ------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_REGEX 12#define _LIBCPP_REGEX 13 14/* 15 regex synopsis 16 17#include <initializer_list> 18 19namespace std 20{ 21 22namespace regex_constants 23{ 24 25emum syntax_option_type 26{ 27 icase = unspecified, 28 nosubs = unspecified, 29 optimize = unspecified, 30 collate = unspecified, 31 ECMAScript = unspecified, 32 basic = unspecified, 33 extended = unspecified, 34 awk = unspecified, 35 grep = unspecified, 36 egrep = unspecified 37}; 38 39constexpr syntax_option_type operator~(syntax_option_type f); 40constexpr syntax_option_type operator&(syntax_option_type lhs, syntax_option_type rhs); 41constexpr syntax_option_type operator|(syntax_option_type lhs, syntax_option_type rhs); 42 43enum match_flag_type 44{ 45 match_default = 0, 46 match_not_bol = unspecified, 47 match_not_eol = unspecified, 48 match_not_bow = unspecified, 49 match_not_eow = unspecified, 50 match_any = unspecified, 51 match_not_null = unspecified, 52 match_continuous = unspecified, 53 match_prev_avail = unspecified, 54 format_default = 0, 55 format_sed = unspecified, 56 format_no_copy = unspecified, 57 format_first_only = unspecified 58}; 59 60constexpr match_flag_type operator~(match_flag_type f); 61constexpr match_flag_type operator&(match_flag_type lhs, match_flag_type rhs); 62constexpr match_flag_type operator|(match_flag_type lhs, match_flag_type rhs); 63 64enum error_type 65{ 66 error_collate = unspecified, 67 error_ctype = unspecified, 68 error_escape = unspecified, 69 error_backref = unspecified, 70 error_brack = unspecified, 71 error_paren = unspecified, 72 error_brace = unspecified, 73 error_badbrace = unspecified, 74 error_range = unspecified, 75 error_space = unspecified, 76 error_badrepeat = unspecified, 77 error_complexity = unspecified, 78 error_stack = unspecified 79}; 80 81} // regex_constants 82 83class regex_error 84 : public runtime_error 85{ 86public: 87 explicit regex_error(regex_constants::error_type ecode); 88 regex_constants::error_type code() const; 89}; 90 91template <class charT> 92struct regex_traits 93{ 94public: 95 typedef charT char_type; 96 typedef basic_string<char_type> string_type; 97 typedef locale locale_type; 98 typedef /bitmask_type/ char_class_type; 99 100 regex_traits(); 101 102 static size_t length(const char_type* p); 103 charT translate(charT c) const; 104 charT translate_nocase(charT c) const; 105 template <class ForwardIterator> 106 string_type 107 transform(ForwardIterator first, ForwardIterator last) const; 108 template <class ForwardIterator> 109 string_type 110 transform_primary( ForwardIterator first, ForwardIterator last) const; 111 template <class ForwardIterator> 112 string_type 113 lookup_collatename(ForwardIterator first, ForwardIterator last) const; 114 template <class ForwardIterator> 115 char_class_type 116 lookup_classname(ForwardIterator first, ForwardIterator last, 117 bool icase = false) const; 118 bool isctype(charT c, char_class_type f) const; 119 int value(charT ch, int radix) const; 120 locale_type imbue(locale_type l); 121 locale_type getloc()const; 122}; 123 124template <class charT, class traits = regex_traits<charT>> 125class basic_regex 126{ 127public: 128 // types: 129 typedef charT value_type; 130 typedef traits traits_type; 131 typedef typename traits::string_type string_type; 132 typedef regex_constants::syntax_option_type flag_type; 133 typedef typename traits::locale_type locale_type; 134 135 // constants: 136 static constexpr regex_constants::syntax_option_type icase = regex_constants::icase; 137 static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs; 138 static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize; 139 static constexpr regex_constants::syntax_option_type collate = regex_constants::collate; 140 static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; 141 static constexpr regex_constants::syntax_option_type basic = regex_constants::basic; 142 static constexpr regex_constants::syntax_option_type extended = regex_constants::extended; 143 static constexpr regex_constants::syntax_option_type awk = regex_constants::awk; 144 static constexpr regex_constants::syntax_option_type grep = regex_constants::grep; 145 static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep; 146 147 // construct/copy/destroy: 148 basic_regex(); 149 explicit basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript); 150 basic_regex(const charT* p, size_t len, flag_type f = regex_constants::ECMAScript); 151 basic_regex(const basic_regex&); 152 basic_regex(basic_regex&&) noexcept; 153 template <class ST, class SA> 154 explicit basic_regex(const basic_string<charT, ST, SA>& p, 155 flag_type f = regex_constants::ECMAScript); 156 template <class ForwardIterator> 157 basic_regex(ForwardIterator first, ForwardIterator last, 158 flag_type f = regex_constants::ECMAScript); 159 basic_regex(initializer_list<charT>, flag_type = regex_constants::ECMAScript); 160 161 ~basic_regex(); 162 163 basic_regex& operator=(const basic_regex&); 164 basic_regex& operator=(basic_regex&&) noexcept; 165 basic_regex& operator=(const charT* ptr); 166 basic_regex& operator=(initializer_list<charT> il); 167 template <class ST, class SA> 168 basic_regex& operator=(const basic_string<charT, ST, SA>& p); 169 170 // assign: 171 basic_regex& assign(const basic_regex& that); 172 basic_regex& assign(basic_regex&& that) noexcept; 173 basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript); 174 basic_regex& assign(const charT* p, size_t len, flag_type f); 175 template <class string_traits, class A> 176 basic_regex& assign(const basic_string<charT, string_traits, A>& s, 177 flag_type f = regex_constants::ECMAScript); 178 template <class InputIterator> 179 basic_regex& assign(InputIterator first, InputIterator last, 180 flag_type f = regex_constants::ECMAScript); 181 basic_regex& assign(initializer_list<charT>, flag_type = regex_constants::ECMAScript); 182 183 // const operations: 184 unsigned mark_count() const; 185 flag_type flags() const; 186 187 // locale: 188 locale_type imbue(locale_type loc); 189 locale_type getloc() const; 190 191 // swap: 192 void swap(basic_regex&); 193}; 194 195typedef basic_regex<char> regex; 196typedef basic_regex<wchar_t> wregex; 197 198template <class charT, class traits> 199 void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2); 200 201template <class BidirectionalIterator> 202class sub_match 203 : public pair<BidirectionalIterator, BidirectionalIterator> 204{ 205public: 206 typedef typename iterator_traits<BidirectionalIterator>::value_type value_type; 207 typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; 208 typedef BidirectionalIterator iterator; 209 typedef basic_string<value_type> string_type; 210 211 bool matched; 212 213 constexpr sub_match(); 214 215 difference_type length() const; 216 operator string_type() const; 217 string_type str() const; 218 219 int compare(const sub_match& s) const; 220 int compare(const string_type& s) const; 221 int compare(const value_type* s) const; 222}; 223 224typedef sub_match<const char*> csub_match; 225typedef sub_match<const wchar_t*> wcsub_match; 226typedef sub_match<string::const_iterator> ssub_match; 227typedef sub_match<wstring::const_iterator> wssub_match; 228 229template <class BiIter> 230 bool 231 operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 232 233template <class BiIter> 234 bool 235 operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 236 237template <class BiIter> 238 bool 239 operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 240 241template <class BiIter> 242 bool 243 operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 244 245template <class BiIter> 246 bool 247 operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 248 249template <class BiIter> 250 bool 251 operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 252 253template <class BiIter, class ST, class SA> 254 bool 255 operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 256 const sub_match<BiIter>& rhs); 257 258template <class BiIter, class ST, class SA> 259 bool 260 operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 261 const sub_match<BiIter>& rhs); 262 263template <class BiIter, class ST, class SA> 264 bool 265 operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 266 const sub_match<BiIter>& rhs); 267 268template <class BiIter, class ST, class SA> 269 bool 270 operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 271 const sub_match<BiIter>& rhs); 272 273template <class BiIter, class ST, class SA> 274 bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 275 const sub_match<BiIter>& rhs); 276 277template <class BiIter, class ST, class SA> 278 bool 279 operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 280 const sub_match<BiIter>& rhs); 281 282template <class BiIter, class ST, class SA> 283 bool 284 operator==(const sub_match<BiIter>& lhs, 285 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 286 287template <class BiIter, class ST, class SA> 288 bool 289 operator!=(const sub_match<BiIter>& lhs, 290 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 291 292template <class BiIter, class ST, class SA> 293 bool 294 operator<(const sub_match<BiIter>& lhs, 295 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 296 297template <class BiIter, class ST, class SA> 298 bool operator>(const sub_match<BiIter>& lhs, 299 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 300 301template <class BiIter, class ST, class SA> 302 bool 303 operator>=(const sub_match<BiIter>& lhs, 304 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 305 306template <class BiIter, class ST, class SA> 307 bool 308 operator<=(const sub_match<BiIter>& lhs, 309 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 310 311template <class BiIter> 312 bool 313 operator==(typename iterator_traits<BiIter>::value_type const* lhs, 314 const sub_match<BiIter>& rhs); 315 316template <class BiIter> 317 bool 318 operator!=(typename iterator_traits<BiIter>::value_type const* lhs, 319 const sub_match<BiIter>& rhs); 320 321template <class BiIter> 322 bool 323 operator<(typename iterator_traits<BiIter>::value_type const* lhs, 324 const sub_match<BiIter>& rhs); 325 326template <class BiIter> 327 bool 328 operator>(typename iterator_traits<BiIter>::value_type const* lhs, 329 const sub_match<BiIter>& rhs); 330 331template <class BiIter> 332 bool 333 operator>=(typename iterator_traits<BiIter>::value_type const* lhs, 334 const sub_match<BiIter>& rhs); 335 336template <class BiIter> 337 bool 338 operator<=(typename iterator_traits<BiIter>::value_type const* lhs, 339 const sub_match<BiIter>& rhs); 340 341template <class BiIter> 342 bool 343 operator==(const sub_match<BiIter>& lhs, 344 typename iterator_traits<BiIter>::value_type const* rhs); 345 346template <class BiIter> 347 bool 348 operator!=(const sub_match<BiIter>& lhs, 349 typename iterator_traits<BiIter>::value_type const* rhs); 350 351template <class BiIter> 352 bool 353 operator<(const sub_match<BiIter>& lhs, 354 typename iterator_traits<BiIter>::value_type const* rhs); 355 356template <class BiIter> 357 bool 358 operator>(const sub_match<BiIter>& lhs, 359 typename iterator_traits<BiIter>::value_type const* rhs); 360 361template <class BiIter> 362 bool 363 operator>=(const sub_match<BiIter>& lhs, 364 typename iterator_traits<BiIter>::value_type const* rhs); 365 366template <class BiIter> 367 bool 368 operator<=(const sub_match<BiIter>& lhs, 369 typename iterator_traits<BiIter>::value_type const* rhs); 370 371template <class BiIter> 372 bool 373 operator==(typename iterator_traits<BiIter>::value_type const& lhs, 374 const sub_match<BiIter>& rhs); 375 376template <class BiIter> 377 bool 378 operator!=(typename iterator_traits<BiIter>::value_type const& lhs, 379 const sub_match<BiIter>& rhs); 380 381template <class BiIter> 382 bool 383 operator<(typename iterator_traits<BiIter>::value_type const& lhs, 384 const sub_match<BiIter>& rhs); 385 386template <class BiIter> 387 bool 388 operator>(typename iterator_traits<BiIter>::value_type const& lhs, 389 const sub_match<BiIter>& rhs); 390 391template <class BiIter> 392 bool 393 operator>=(typename iterator_traits<BiIter>::value_type const& lhs, 394 const sub_match<BiIter>& rhs); 395 396template <class BiIter> 397 bool 398 operator<=(typename iterator_traits<BiIter>::value_type const& lhs, 399 const sub_match<BiIter>& rhs); 400 401template <class BiIter> 402 bool 403 operator==(const sub_match<BiIter>& lhs, 404 typename iterator_traits<BiIter>::value_type const& rhs); 405 406template <class BiIter> 407 bool 408 operator!=(const sub_match<BiIter>& lhs, 409 typename iterator_traits<BiIter>::value_type const& rhs); 410 411template <class BiIter> 412 bool 413 operator<(const sub_match<BiIter>& lhs, 414 typename iterator_traits<BiIter>::value_type const& rhs); 415 416template <class BiIter> 417 bool 418 operator>(const sub_match<BiIter>& lhs, 419 typename iterator_traits<BiIter>::value_type const& rhs); 420 421template <class BiIter> 422 bool 423 operator>=(const sub_match<BiIter>& lhs, 424 typename iterator_traits<BiIter>::value_type const& rhs); 425 426template <class BiIter> 427 bool 428 operator<=(const sub_match<BiIter>& lhs, 429 typename iterator_traits<BiIter>::value_type const& rhs); 430 431template <class charT, class ST, class BiIter> 432 basic_ostream<charT, ST>& 433 operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m); 434 435template <class BidirectionalIterator, 436 class Allocator = allocator<sub_match<BidirectionalIterator>>> 437class match_results 438{ 439public: 440 typedef sub_match<BidirectionalIterator> value_type; 441 typedef const value_type& const_reference; 442 typedef value_type& reference; 443 typedef /implementation-defined/ const_iterator; 444 typedef const_iterator iterator; 445 typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; 446 typedef typename allocator_traits<Allocator>::size_type size_type; 447 typedef Allocator allocator_type; 448 typedef typename iterator_traits<BidirectionalIterator>::value_type char_type; 449 typedef basic_string<char_type> string_type; 450 451 // construct/copy/destroy: 452 explicit match_results(const Allocator& a = Allocator()); 453 match_results(const match_results& m); 454 match_results(match_results&& m) noexcept; 455 match_results& operator=(const match_results& m); 456 match_results& operator=(match_results&& m); 457 ~match_results(); 458 459 bool ready() const; 460 461 // size: 462 size_type size() const; 463 size_type max_size() const; 464 bool empty() const; 465 466 // element access: 467 difference_type length(size_type sub = 0) const; 468 difference_type position(size_type sub = 0) const; 469 string_type str(size_type sub = 0) const; 470 const_reference operator[](size_type n) const; 471 472 const_reference prefix() const; 473 const_reference suffix() const; 474 475 const_iterator begin() const; 476 const_iterator end() const; 477 const_iterator cbegin() const; 478 const_iterator cend() const; 479 480 // format: 481 template <class OutputIter> 482 OutputIter 483 format(OutputIter out, const char_type* fmt_first, 484 const char_type* fmt_last, 485 regex_constants::match_flag_type flags = regex_constants::format_default) const; 486 template <class OutputIter, class ST, class SA> 487 OutputIter 488 format(OutputIter out, const basic_string<char_type, ST, SA>& fmt, 489 regex_constants::match_flag_type flags = regex_constants::format_default) const; 490 template <class ST, class SA> 491 basic_string<char_type, ST, SA> 492 format(const basic_string<char_type, ST, SA>& fmt, 493 regex_constants::match_flag_type flags = regex_constants::format_default) const; 494 string_type 495 format(const char_type* fmt, 496 regex_constants::match_flag_type flags = regex_constants::format_default) const; 497 498 // allocator: 499 allocator_type get_allocator() const; 500 501 // swap: 502 void swap(match_results& that); 503}; 504 505typedef match_results<const char*> cmatch; 506typedef match_results<const wchar_t*> wcmatch; 507typedef match_results<string::const_iterator> smatch; 508typedef match_results<wstring::const_iterator> wsmatch; 509 510template <class BidirectionalIterator, class Allocator> 511 bool 512 operator==(const match_results<BidirectionalIterator, Allocator>& m1, 513 const match_results<BidirectionalIterator, Allocator>& m2); 514 515template <class BidirectionalIterator, class Allocator> 516 bool 517 operator!=(const match_results<BidirectionalIterator, Allocator>& m1, 518 const match_results<BidirectionalIterator, Allocator>& m2); 519 520template <class BidirectionalIterator, class Allocator> 521 void 522 swap(match_results<BidirectionalIterator, Allocator>& m1, 523 match_results<BidirectionalIterator, Allocator>& m2); 524 525template <class BidirectionalIterator, class Allocator, class charT, class traits> 526 bool 527 regex_match(BidirectionalIterator first, BidirectionalIterator last, 528 match_results<BidirectionalIterator, Allocator>& m, 529 const basic_regex<charT, traits>& e, 530 regex_constants::match_flag_type flags = regex_constants::match_default); 531 532template <class BidirectionalIterator, class charT, class traits> 533 bool 534 regex_match(BidirectionalIterator first, BidirectionalIterator last, 535 const basic_regex<charT, traits>& e, 536 regex_constants::match_flag_type flags = regex_constants::match_default); 537 538template <class charT, class Allocator, class traits> 539 bool 540 regex_match(const charT* str, match_results<const charT*, Allocator>& m, 541 const basic_regex<charT, traits>& e, 542 regex_constants::match_flag_type flags = regex_constants::match_default); 543 544template <class ST, class SA, class Allocator, class charT, class traits> 545 bool 546 regex_match(const basic_string<charT, ST, SA>& s, 547 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 548 const basic_regex<charT, traits>& e, 549 regex_constants::match_flag_type flags = regex_constants::match_default); 550 551template <class ST, class SA, class Allocator, class charT, class traits> 552 bool 553 regex_match(const basic_string<charT, ST, SA>&& s, 554 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 555 const basic_regex<charT, traits>& e, 556 regex_constants::match_flag_type flags = regex_constants::match_default) = delete; // C++14 557 558template <class charT, class traits> 559 bool 560 regex_match(const charT* str, const basic_regex<charT, traits>& e, 561 regex_constants::match_flag_type flags = regex_constants::match_default); 562 563template <class ST, class SA, class charT, class traits> 564 bool 565 regex_match(const basic_string<charT, ST, SA>& s, 566 const basic_regex<charT, traits>& e, 567 regex_constants::match_flag_type flags = regex_constants::match_default); 568 569template <class BidirectionalIterator, class Allocator, class charT, class traits> 570 bool 571 regex_search(BidirectionalIterator first, BidirectionalIterator last, 572 match_results<BidirectionalIterator, Allocator>& m, 573 const basic_regex<charT, traits>& e, 574 regex_constants::match_flag_type flags = regex_constants::match_default); 575 576template <class BidirectionalIterator, class charT, class traits> 577 bool 578 regex_search(BidirectionalIterator first, BidirectionalIterator last, 579 const basic_regex<charT, traits>& e, 580 regex_constants::match_flag_type flags = regex_constants::match_default); 581 582template <class charT, class Allocator, class traits> 583 bool 584 regex_search(const charT* str, match_results<const charT*, Allocator>& m, 585 const basic_regex<charT, traits>& e, 586 regex_constants::match_flag_type flags = regex_constants::match_default); 587 588template <class charT, class traits> 589 bool 590 regex_search(const charT* str, const basic_regex<charT, traits>& e, 591 regex_constants::match_flag_type flags = regex_constants::match_default); 592 593template <class ST, class SA, class charT, class traits> 594 bool 595 regex_search(const basic_string<charT, ST, SA>& s, 596 const basic_regex<charT, traits>& e, 597 regex_constants::match_flag_type flags = regex_constants::match_default); 598 599template <class ST, class SA, class Allocator, class charT, class traits> 600 bool 601 regex_search(const basic_string<charT, ST, SA>& s, 602 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 603 const basic_regex<charT, traits>& e, 604 regex_constants::match_flag_type flags = regex_constants::match_default); 605 606template <class ST, class SA, class Allocator, class charT, class traits> 607 bool 608 regex_search(const basic_string<charT, ST, SA>&& s, 609 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 610 const basic_regex<charT, traits>& e, 611 regex_constants::match_flag_type flags = regex_constants::match_default) = delete; // C++14 612 613template <class OutputIterator, class BidirectionalIterator, 614 class traits, class charT, class ST, class SA> 615 OutputIterator 616 regex_replace(OutputIterator out, 617 BidirectionalIterator first, BidirectionalIterator last, 618 const basic_regex<charT, traits>& e, 619 const basic_string<charT, ST, SA>& fmt, 620 regex_constants::match_flag_type flags = regex_constants::match_default); 621 622template <class OutputIterator, class BidirectionalIterator, 623 class traits, class charT> 624 OutputIterator 625 regex_replace(OutputIterator out, 626 BidirectionalIterator first, BidirectionalIterator last, 627 const basic_regex<charT, traits>& e, const charT* fmt, 628 regex_constants::match_flag_type flags = regex_constants::match_default); 629 630template <class traits, class charT, class ST, class SA, class FST, class FSA>> 631 basic_string<charT, ST, SA> 632 regex_replace(const basic_string<charT, ST, SA>& s, 633 const basic_regex<charT, traits>& e, 634 const basic_string<charT, FST, FSA>& fmt, 635 regex_constants::match_flag_type flags = regex_constants::match_default); 636 637template <class traits, class charT, class ST, class SA> 638 basic_string<charT, ST, SA> 639 regex_replace(const basic_string<charT, ST, SA>& s, 640 const basic_regex<charT, traits>& e, const charT* fmt, 641 regex_constants::match_flag_type flags = regex_constants::match_default); 642 643template <class traits, class charT, class ST, class SA> 644 basic_string<charT> 645 regex_replace(const charT* s, 646 const basic_regex<charT, traits>& e, 647 const basic_string<charT, ST, SA>& fmt, 648 regex_constants::match_flag_type flags = regex_constants::match_default); 649 650template <class traits, class charT> 651 basic_string<charT> 652 regex_replace(const charT* s, 653 const basic_regex<charT, traits>& e, 654 const charT* fmt, 655 regex_constants::match_flag_type flags = regex_constants::match_default); 656 657template <class BidirectionalIterator, 658 class charT = typename iterator_traits< BidirectionalIterator>::value_type, 659 class traits = regex_traits<charT>> 660class regex_iterator 661{ 662public: 663 typedef basic_regex<charT, traits> regex_type; 664 typedef match_results<BidirectionalIterator> value_type; 665 typedef ptrdiff_t difference_type; 666 typedef const value_type* pointer; 667 typedef const value_type& reference; 668 typedef forward_iterator_tag iterator_category; 669 670 regex_iterator(); 671 regex_iterator(BidirectionalIterator a, BidirectionalIterator b, 672 const regex_type& re, 673 regex_constants::match_flag_type m = regex_constants::match_default); 674 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 675 const regex_type&& __re, 676 regex_constants::match_flag_type __m 677 = regex_constants::match_default) = delete; // C++14 678 regex_iterator(const regex_iterator&); 679 regex_iterator& operator=(const regex_iterator&); 680 681 bool operator==(const regex_iterator&) const; 682 bool operator!=(const regex_iterator&) const; 683 684 const value_type& operator*() const; 685 const value_type* operator->() const; 686 687 regex_iterator& operator++(); 688 regex_iterator operator++(int); 689}; 690 691typedef regex_iterator<const char*> cregex_iterator; 692typedef regex_iterator<const wchar_t*> wcregex_iterator; 693typedef regex_iterator<string::const_iterator> sregex_iterator; 694typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 695 696template <class BidirectionalIterator, 697 class charT = typename iterator_traits< BidirectionalIterator>::value_type, 698 class traits = regex_traits<charT>> 699class regex_token_iterator 700{ 701public: 702 typedef basic_regex<charT, traits> regex_type; 703 typedef sub_match<BidirectionalIterator> value_type; 704 typedef ptrdiff_t difference_type; 705 typedef const value_type* pointer; 706 typedef const value_type& reference; 707 typedef forward_iterator_tag iterator_category; 708 709 regex_token_iterator(); 710 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 711 const regex_type& re, int submatch = 0, 712 regex_constants::match_flag_type m = regex_constants::match_default); 713 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 714 const regex_type&& re, int submatch = 0, 715 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 716 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 717 const regex_type& re, const vector<int>& submatches, 718 regex_constants::match_flag_type m = regex_constants::match_default); 719 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 720 const regex_type&& re, const vector<int>& submatches, 721 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 722 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 723 const regex_type& re, initializer_list<int> submatches, 724 regex_constants::match_flag_type m = regex_constants::match_default); 725 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 726 const regex_type&& re, initializer_list<int> submatches, 727 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 728 template <size_t N> 729 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 730 const regex_type& re, const int (&submatches)[N], 731 regex_constants::match_flag_type m = regex_constants::match_default); 732 template <size_t N> 733 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 734 const regex_type& re, const int (&submatches)[N], 735 regex_constants::match_flag_type m = regex_constants::match_default) = delete // C++14; 736 regex_token_iterator(const regex_token_iterator&); 737 regex_token_iterator& operator=(const regex_token_iterator&); 738 739 bool operator==(const regex_token_iterator&) const; 740 bool operator!=(const regex_token_iterator&) const; 741 742 const value_type& operator*() const; 743 const value_type* operator->() const; 744 745 regex_token_iterator& operator++(); 746 regex_token_iterator operator++(int); 747}; 748 749typedef regex_token_iterator<const char*> cregex_token_iterator; 750typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 751typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 752typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 753 754} // std 755*/ 756 757#include <__config> 758#include <stdexcept> 759#include <__locale> 760#include <initializer_list> 761#include <utility> 762#include <iterator> 763#include <string> 764#include <memory> 765#include <vector> 766#include <deque> 767 768#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 769#pragma GCC system_header 770#endif 771 772_LIBCPP_PUSH_MACROS 773#include <__undef_macros> 774 775 776_LIBCPP_BEGIN_NAMESPACE_STD 777 778namespace regex_constants 779{ 780 781// syntax_option_type 782 783enum syntax_option_type 784{ 785 icase = 1 << 0, 786 nosubs = 1 << 1, 787 optimize = 1 << 2, 788 collate = 1 << 3, 789 ECMAScript = 0, 790 basic = 1 << 4, 791 extended = 1 << 5, 792 awk = 1 << 6, 793 grep = 1 << 7, 794 egrep = 1 << 8 795}; 796 797inline _LIBCPP_INLINE_VISIBILITY 798_LIBCPP_CONSTEXPR 799syntax_option_type 800operator~(syntax_option_type __x) 801{ 802 return syntax_option_type(~int(__x) & 0x1FF); 803} 804 805inline _LIBCPP_INLINE_VISIBILITY 806_LIBCPP_CONSTEXPR 807syntax_option_type 808operator&(syntax_option_type __x, syntax_option_type __y) 809{ 810 return syntax_option_type(int(__x) & int(__y)); 811} 812 813inline _LIBCPP_INLINE_VISIBILITY 814_LIBCPP_CONSTEXPR 815syntax_option_type 816operator|(syntax_option_type __x, syntax_option_type __y) 817{ 818 return syntax_option_type(int(__x) | int(__y)); 819} 820 821inline _LIBCPP_INLINE_VISIBILITY 822_LIBCPP_CONSTEXPR 823syntax_option_type 824operator^(syntax_option_type __x, syntax_option_type __y) 825{ 826 return syntax_option_type(int(__x) ^ int(__y)); 827} 828 829inline _LIBCPP_INLINE_VISIBILITY 830syntax_option_type& 831operator&=(syntax_option_type& __x, syntax_option_type __y) 832{ 833 __x = __x & __y; 834 return __x; 835} 836 837inline _LIBCPP_INLINE_VISIBILITY 838syntax_option_type& 839operator|=(syntax_option_type& __x, syntax_option_type __y) 840{ 841 __x = __x | __y; 842 return __x; 843} 844 845inline _LIBCPP_INLINE_VISIBILITY 846syntax_option_type& 847operator^=(syntax_option_type& __x, syntax_option_type __y) 848{ 849 __x = __x ^ __y; 850 return __x; 851} 852 853// match_flag_type 854 855enum match_flag_type 856{ 857 match_default = 0, 858 match_not_bol = 1 << 0, 859 match_not_eol = 1 << 1, 860 match_not_bow = 1 << 2, 861 match_not_eow = 1 << 3, 862 match_any = 1 << 4, 863 match_not_null = 1 << 5, 864 match_continuous = 1 << 6, 865 match_prev_avail = 1 << 7, 866 format_default = 0, 867 format_sed = 1 << 8, 868 format_no_copy = 1 << 9, 869 format_first_only = 1 << 10, 870 __no_update_pos = 1 << 11, 871 __full_match = 1 << 12 872}; 873 874inline _LIBCPP_INLINE_VISIBILITY 875_LIBCPP_CONSTEXPR 876match_flag_type 877operator~(match_flag_type __x) 878{ 879 return match_flag_type(~int(__x) & 0x0FFF); 880} 881 882inline _LIBCPP_INLINE_VISIBILITY 883_LIBCPP_CONSTEXPR 884match_flag_type 885operator&(match_flag_type __x, match_flag_type __y) 886{ 887 return match_flag_type(int(__x) & int(__y)); 888} 889 890inline _LIBCPP_INLINE_VISIBILITY 891_LIBCPP_CONSTEXPR 892match_flag_type 893operator|(match_flag_type __x, match_flag_type __y) 894{ 895 return match_flag_type(int(__x) | int(__y)); 896} 897 898inline _LIBCPP_INLINE_VISIBILITY 899_LIBCPP_CONSTEXPR 900match_flag_type 901operator^(match_flag_type __x, match_flag_type __y) 902{ 903 return match_flag_type(int(__x) ^ int(__y)); 904} 905 906inline _LIBCPP_INLINE_VISIBILITY 907match_flag_type& 908operator&=(match_flag_type& __x, match_flag_type __y) 909{ 910 __x = __x & __y; 911 return __x; 912} 913 914inline _LIBCPP_INLINE_VISIBILITY 915match_flag_type& 916operator|=(match_flag_type& __x, match_flag_type __y) 917{ 918 __x = __x | __y; 919 return __x; 920} 921 922inline _LIBCPP_INLINE_VISIBILITY 923match_flag_type& 924operator^=(match_flag_type& __x, match_flag_type __y) 925{ 926 __x = __x ^ __y; 927 return __x; 928} 929 930enum error_type 931{ 932 error_collate = 1, 933 error_ctype, 934 error_escape, 935 error_backref, 936 error_brack, 937 error_paren, 938 error_brace, 939 error_badbrace, 940 error_range, 941 error_space, 942 error_badrepeat, 943 error_complexity, 944 error_stack, 945 __re_err_grammar, 946 __re_err_empty, 947 __re_err_unknown 948}; 949 950} // regex_constants 951 952class _LIBCPP_EXCEPTION_ABI regex_error 953 : public runtime_error 954{ 955 regex_constants::error_type __code_; 956public: 957 explicit regex_error(regex_constants::error_type __ecode); 958 virtual ~regex_error() throw(); 959 _LIBCPP_INLINE_VISIBILITY 960 regex_constants::error_type code() const {return __code_;} 961}; 962 963template <regex_constants::error_type _Ev> 964_LIBCPP_NORETURN inline _LIBCPP_ALWAYS_INLINE 965void __throw_regex_error() 966{ 967#ifndef _LIBCPP_NO_EXCEPTIONS 968 throw regex_error(_Ev); 969#else 970 _VSTD::abort(); 971#endif 972} 973 974template <class _CharT> 975struct _LIBCPP_TEMPLATE_VIS regex_traits 976{ 977public: 978 typedef _CharT char_type; 979 typedef basic_string<char_type> string_type; 980 typedef locale locale_type; 981 typedef ctype_base::mask char_class_type; 982 983#if defined(__mips__) && defined(__GLIBC__) 984 static const char_class_type __regex_word = static_cast<char_class_type>(_ISbit(15)); 985#else 986 static const char_class_type __regex_word = 0x80; 987#endif 988 989private: 990 locale __loc_; 991 const ctype<char_type>* __ct_; 992 const collate<char_type>* __col_; 993 994public: 995 regex_traits(); 996 997 _LIBCPP_INLINE_VISIBILITY 998 static size_t length(const char_type* __p) 999 {return char_traits<char_type>::length(__p);} 1000 _LIBCPP_INLINE_VISIBILITY 1001 char_type translate(char_type __c) const {return __c;} 1002 char_type translate_nocase(char_type __c) const; 1003 template <class _ForwardIterator> 1004 string_type 1005 transform(_ForwardIterator __f, _ForwardIterator __l) const; 1006 template <class _ForwardIterator> 1007 _LIBCPP_INLINE_VISIBILITY 1008 string_type 1009 transform_primary( _ForwardIterator __f, _ForwardIterator __l) const 1010 {return __transform_primary(__f, __l, char_type());} 1011 template <class _ForwardIterator> 1012 _LIBCPP_INLINE_VISIBILITY 1013 string_type 1014 lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const 1015 {return __lookup_collatename(__f, __l, char_type());} 1016 template <class _ForwardIterator> 1017 _LIBCPP_INLINE_VISIBILITY 1018 char_class_type 1019 lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 1020 bool __icase = false) const 1021 {return __lookup_classname(__f, __l, __icase, char_type());} 1022 bool isctype(char_type __c, char_class_type __m) const; 1023 _LIBCPP_INLINE_VISIBILITY 1024 int value(char_type __ch, int __radix) const 1025 {return __regex_traits_value(__ch, __radix);} 1026 locale_type imbue(locale_type __l); 1027 _LIBCPP_INLINE_VISIBILITY 1028 locale_type getloc()const {return __loc_;} 1029 1030private: 1031 void __init(); 1032 1033 template <class _ForwardIterator> 1034 string_type 1035 __transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const; 1036 template <class _ForwardIterator> 1037 string_type 1038 __transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; 1039 1040 template <class _ForwardIterator> 1041 string_type 1042 __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const; 1043 template <class _ForwardIterator> 1044 string_type 1045 __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; 1046 1047 template <class _ForwardIterator> 1048 char_class_type 1049 __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 1050 bool __icase, char) const; 1051 template <class _ForwardIterator> 1052 char_class_type 1053 __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 1054 bool __icase, wchar_t) const; 1055 1056 static int __regex_traits_value(unsigned char __ch, int __radix); 1057 _LIBCPP_INLINE_VISIBILITY 1058 int __regex_traits_value(char __ch, int __radix) const 1059 {return __regex_traits_value(static_cast<unsigned char>(__ch), __radix);} 1060 _LIBCPP_INLINE_VISIBILITY 1061 int __regex_traits_value(wchar_t __ch, int __radix) const; 1062}; 1063 1064template <class _CharT> 1065const typename regex_traits<_CharT>::char_class_type 1066regex_traits<_CharT>::__regex_word; 1067 1068template <class _CharT> 1069regex_traits<_CharT>::regex_traits() 1070{ 1071 __init(); 1072} 1073 1074template <class _CharT> 1075typename regex_traits<_CharT>::char_type 1076regex_traits<_CharT>::translate_nocase(char_type __c) const 1077{ 1078 return __ct_->tolower(__c); 1079} 1080 1081template <class _CharT> 1082template <class _ForwardIterator> 1083typename regex_traits<_CharT>::string_type 1084regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const 1085{ 1086 string_type __s(__f, __l); 1087 return __col_->transform(__s.data(), __s.data() + __s.size()); 1088} 1089 1090template <class _CharT> 1091void 1092regex_traits<_CharT>::__init() 1093{ 1094 __ct_ = &use_facet<ctype<char_type> >(__loc_); 1095 __col_ = &use_facet<collate<char_type> >(__loc_); 1096} 1097 1098template <class _CharT> 1099typename regex_traits<_CharT>::locale_type 1100regex_traits<_CharT>::imbue(locale_type __l) 1101{ 1102 locale __r = __loc_; 1103 __loc_ = __l; 1104 __init(); 1105 return __r; 1106} 1107 1108// transform_primary is very FreeBSD-specific 1109 1110template <class _CharT> 1111template <class _ForwardIterator> 1112typename regex_traits<_CharT>::string_type 1113regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, 1114 _ForwardIterator __l, char) const 1115{ 1116 const string_type __s(__f, __l); 1117 string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); 1118 switch (__d.size()) 1119 { 1120 case 1: 1121 break; 1122 case 12: 1123 __d[11] = __d[3]; 1124 break; 1125 default: 1126 __d.clear(); 1127 break; 1128 } 1129 return __d; 1130} 1131 1132template <class _CharT> 1133template <class _ForwardIterator> 1134typename regex_traits<_CharT>::string_type 1135regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, 1136 _ForwardIterator __l, wchar_t) const 1137{ 1138 const string_type __s(__f, __l); 1139 string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); 1140 switch (__d.size()) 1141 { 1142 case 1: 1143 break; 1144 case 3: 1145 __d[2] = __d[0]; 1146 break; 1147 default: 1148 __d.clear(); 1149 break; 1150 } 1151 return __d; 1152} 1153 1154// lookup_collatename is very FreeBSD-specific 1155 1156_LIBCPP_FUNC_VIS string __get_collation_name(const char* __s); 1157 1158template <class _CharT> 1159template <class _ForwardIterator> 1160typename regex_traits<_CharT>::string_type 1161regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, 1162 _ForwardIterator __l, char) const 1163{ 1164 string_type __s(__f, __l); 1165 string_type __r; 1166 if (!__s.empty()) 1167 { 1168 __r = __get_collation_name(__s.c_str()); 1169 if (__r.empty() && __s.size() <= 2) 1170 { 1171 __r = __col_->transform(__s.data(), __s.data() + __s.size()); 1172 if (__r.size() == 1 || __r.size() == 12) 1173 __r = __s; 1174 else 1175 __r.clear(); 1176 } 1177 } 1178 return __r; 1179} 1180 1181template <class _CharT> 1182template <class _ForwardIterator> 1183typename regex_traits<_CharT>::string_type 1184regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, 1185 _ForwardIterator __l, wchar_t) const 1186{ 1187 string_type __s(__f, __l); 1188 string __n; 1189 __n.reserve(__s.size()); 1190 for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); 1191 __i != __e; ++__i) 1192 { 1193 if (static_cast<unsigned>(*__i) >= 127) 1194 return string_type(); 1195 __n.push_back(char(*__i)); 1196 } 1197 string_type __r; 1198 if (!__s.empty()) 1199 { 1200 __n = __get_collation_name(__n.c_str()); 1201 if (!__n.empty()) 1202 __r.assign(__n.begin(), __n.end()); 1203 else if (__s.size() <= 2) 1204 { 1205 __r = __col_->transform(__s.data(), __s.data() + __s.size()); 1206 if (__r.size() == 1 || __r.size() == 3) 1207 __r = __s; 1208 else 1209 __r.clear(); 1210 } 1211 } 1212 return __r; 1213} 1214 1215// lookup_classname 1216 1217regex_traits<char>::char_class_type _LIBCPP_FUNC_VIS 1218__get_classname(const char* __s, bool __icase); 1219 1220template <class _CharT> 1221template <class _ForwardIterator> 1222typename regex_traits<_CharT>::char_class_type 1223regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, 1224 _ForwardIterator __l, 1225 bool __icase, char) const 1226{ 1227 string_type __s(__f, __l); 1228 __ct_->tolower(&__s[0], &__s[0] + __s.size()); 1229 return __get_classname(__s.c_str(), __icase); 1230} 1231 1232template <class _CharT> 1233template <class _ForwardIterator> 1234typename regex_traits<_CharT>::char_class_type 1235regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, 1236 _ForwardIterator __l, 1237 bool __icase, wchar_t) const 1238{ 1239 string_type __s(__f, __l); 1240 __ct_->tolower(&__s[0], &__s[0] + __s.size()); 1241 string __n; 1242 __n.reserve(__s.size()); 1243 for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); 1244 __i != __e; ++__i) 1245 { 1246 if (static_cast<unsigned>(*__i) >= 127) 1247 return char_class_type(); 1248 __n.push_back(char(*__i)); 1249 } 1250 return __get_classname(__n.c_str(), __icase); 1251} 1252 1253template <class _CharT> 1254bool 1255regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const 1256{ 1257 if (__ct_->is(__m, __c)) 1258 return true; 1259 return (__c == '_' && (__m & __regex_word)); 1260} 1261 1262template <class _CharT> 1263int 1264regex_traits<_CharT>::__regex_traits_value(unsigned char __ch, int __radix) 1265{ 1266 if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7' 1267 return __ch - '0'; 1268 if (__radix != 8) 1269 { 1270 if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9' 1271 return __ch - '0'; 1272 if (__radix == 16) 1273 { 1274 __ch |= 0x20; // tolower 1275 if ('a' <= __ch && __ch <= 'f') 1276 return __ch - ('a' - 10); 1277 } 1278 } 1279 return -1; 1280} 1281 1282template <class _CharT> 1283inline 1284int 1285regex_traits<_CharT>::__regex_traits_value(wchar_t __ch, int __radix) const 1286{ 1287 return __regex_traits_value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix); 1288} 1289 1290template <class _CharT> class __node; 1291 1292template <class _BidirectionalIterator> class _LIBCPP_TEMPLATE_VIS sub_match; 1293 1294template <class _BidirectionalIterator, 1295 class _Allocator = allocator<sub_match<_BidirectionalIterator> > > 1296class _LIBCPP_TEMPLATE_VIS match_results; 1297 1298template <class _CharT> 1299struct __state 1300{ 1301 enum 1302 { 1303 __end_state = -1000, 1304 __consume_input, // -999 1305 __begin_marked_expr, // -998 1306 __end_marked_expr, // -997 1307 __pop_state, // -996 1308 __accept_and_consume, // -995 1309 __accept_but_not_consume, // -994 1310 __reject, // -993 1311 __split, 1312 __repeat 1313 }; 1314 1315 int __do_; 1316 const _CharT* __first_; 1317 const _CharT* __current_; 1318 const _CharT* __last_; 1319 vector<sub_match<const _CharT*> > __sub_matches_; 1320 vector<pair<size_t, const _CharT*> > __loop_data_; 1321 const __node<_CharT>* __node_; 1322 regex_constants::match_flag_type __flags_; 1323 bool __at_first_; 1324 1325 _LIBCPP_INLINE_VISIBILITY 1326 __state() 1327 : __do_(0), __first_(nullptr), __current_(nullptr), __last_(nullptr), 1328 __node_(nullptr), __flags_() {} 1329}; 1330 1331// __node 1332 1333template <class _CharT> 1334class __node 1335{ 1336 __node(const __node&); 1337 __node& operator=(const __node&); 1338public: 1339 typedef _VSTD::__state<_CharT> __state; 1340 1341 _LIBCPP_INLINE_VISIBILITY 1342 __node() {} 1343 _LIBCPP_INLINE_VISIBILITY 1344 virtual ~__node() {} 1345 1346 _LIBCPP_INLINE_VISIBILITY 1347 virtual void __exec(__state&) const {}; 1348 _LIBCPP_INLINE_VISIBILITY 1349 virtual void __exec_split(bool, __state&) const {}; 1350}; 1351 1352// __end_state 1353 1354template <class _CharT> 1355class __end_state 1356 : public __node<_CharT> 1357{ 1358public: 1359 typedef _VSTD::__state<_CharT> __state; 1360 1361 _LIBCPP_INLINE_VISIBILITY 1362 __end_state() {} 1363 1364 virtual void __exec(__state&) const; 1365}; 1366 1367template <class _CharT> 1368void 1369__end_state<_CharT>::__exec(__state& __s) const 1370{ 1371 __s.__do_ = __state::__end_state; 1372} 1373 1374// __has_one_state 1375 1376template <class _CharT> 1377class __has_one_state 1378 : public __node<_CharT> 1379{ 1380 __node<_CharT>* __first_; 1381 1382public: 1383 _LIBCPP_INLINE_VISIBILITY 1384 explicit __has_one_state(__node<_CharT>* __s) 1385 : __first_(__s) {} 1386 1387 _LIBCPP_INLINE_VISIBILITY 1388 __node<_CharT>* first() const {return __first_;} 1389 _LIBCPP_INLINE_VISIBILITY 1390 __node<_CharT>*& first() {return __first_;} 1391}; 1392 1393// __owns_one_state 1394 1395template <class _CharT> 1396class __owns_one_state 1397 : public __has_one_state<_CharT> 1398{ 1399 typedef __has_one_state<_CharT> base; 1400 1401public: 1402 _LIBCPP_INLINE_VISIBILITY 1403 explicit __owns_one_state(__node<_CharT>* __s) 1404 : base(__s) {} 1405 1406 virtual ~__owns_one_state(); 1407}; 1408 1409template <class _CharT> 1410__owns_one_state<_CharT>::~__owns_one_state() 1411{ 1412 delete this->first(); 1413} 1414 1415// __empty_state 1416 1417template <class _CharT> 1418class __empty_state 1419 : public __owns_one_state<_CharT> 1420{ 1421 typedef __owns_one_state<_CharT> base; 1422 1423public: 1424 typedef _VSTD::__state<_CharT> __state; 1425 1426 _LIBCPP_INLINE_VISIBILITY 1427 explicit __empty_state(__node<_CharT>* __s) 1428 : base(__s) {} 1429 1430 virtual void __exec(__state&) const; 1431}; 1432 1433template <class _CharT> 1434void 1435__empty_state<_CharT>::__exec(__state& __s) const 1436{ 1437 __s.__do_ = __state::__accept_but_not_consume; 1438 __s.__node_ = this->first(); 1439} 1440 1441// __empty_non_own_state 1442 1443template <class _CharT> 1444class __empty_non_own_state 1445 : public __has_one_state<_CharT> 1446{ 1447 typedef __has_one_state<_CharT> base; 1448 1449public: 1450 typedef _VSTD::__state<_CharT> __state; 1451 1452 _LIBCPP_INLINE_VISIBILITY 1453 explicit __empty_non_own_state(__node<_CharT>* __s) 1454 : base(__s) {} 1455 1456 virtual void __exec(__state&) const; 1457}; 1458 1459template <class _CharT> 1460void 1461__empty_non_own_state<_CharT>::__exec(__state& __s) const 1462{ 1463 __s.__do_ = __state::__accept_but_not_consume; 1464 __s.__node_ = this->first(); 1465} 1466 1467// __repeat_one_loop 1468 1469template <class _CharT> 1470class __repeat_one_loop 1471 : public __has_one_state<_CharT> 1472{ 1473 typedef __has_one_state<_CharT> base; 1474 1475public: 1476 typedef _VSTD::__state<_CharT> __state; 1477 1478 _LIBCPP_INLINE_VISIBILITY 1479 explicit __repeat_one_loop(__node<_CharT>* __s) 1480 : base(__s) {} 1481 1482 virtual void __exec(__state&) const; 1483}; 1484 1485template <class _CharT> 1486void 1487__repeat_one_loop<_CharT>::__exec(__state& __s) const 1488{ 1489 __s.__do_ = __state::__repeat; 1490 __s.__node_ = this->first(); 1491} 1492 1493// __owns_two_states 1494 1495template <class _CharT> 1496class __owns_two_states 1497 : public __owns_one_state<_CharT> 1498{ 1499 typedef __owns_one_state<_CharT> base; 1500 1501 base* __second_; 1502 1503public: 1504 _LIBCPP_INLINE_VISIBILITY 1505 explicit __owns_two_states(__node<_CharT>* __s1, base* __s2) 1506 : base(__s1), __second_(__s2) {} 1507 1508 virtual ~__owns_two_states(); 1509 1510 _LIBCPP_INLINE_VISIBILITY 1511 base* second() const {return __second_;} 1512 _LIBCPP_INLINE_VISIBILITY 1513 base*& second() {return __second_;} 1514}; 1515 1516template <class _CharT> 1517__owns_two_states<_CharT>::~__owns_two_states() 1518{ 1519 delete __second_; 1520} 1521 1522// __loop 1523 1524template <class _CharT> 1525class __loop 1526 : public __owns_two_states<_CharT> 1527{ 1528 typedef __owns_two_states<_CharT> base; 1529 1530 size_t __min_; 1531 size_t __max_; 1532 unsigned __loop_id_; 1533 unsigned __mexp_begin_; 1534 unsigned __mexp_end_; 1535 bool __greedy_; 1536 1537public: 1538 typedef _VSTD::__state<_CharT> __state; 1539 1540 _LIBCPP_INLINE_VISIBILITY 1541 explicit __loop(unsigned __loop_id, 1542 __node<_CharT>* __s1, __owns_one_state<_CharT>* __s2, 1543 unsigned __mexp_begin, unsigned __mexp_end, 1544 bool __greedy = true, 1545 size_t __min = 0, 1546 size_t __max = numeric_limits<size_t>::max()) 1547 : base(__s1, __s2), __min_(__min), __max_(__max), __loop_id_(__loop_id), 1548 __mexp_begin_(__mexp_begin), __mexp_end_(__mexp_end), 1549 __greedy_(__greedy) {} 1550 1551 virtual void __exec(__state& __s) const; 1552 virtual void __exec_split(bool __second, __state& __s) const; 1553 1554private: 1555 _LIBCPP_INLINE_VISIBILITY 1556 void __init_repeat(__state& __s) const 1557 { 1558 __s.__loop_data_[__loop_id_].second = __s.__current_; 1559 for (size_t __i = __mexp_begin_-1; __i != __mexp_end_-1; ++__i) 1560 { 1561 __s.__sub_matches_[__i].first = __s.__last_; 1562 __s.__sub_matches_[__i].second = __s.__last_; 1563 __s.__sub_matches_[__i].matched = false; 1564 } 1565 } 1566}; 1567 1568template <class _CharT> 1569void 1570__loop<_CharT>::__exec(__state& __s) const 1571{ 1572 if (__s.__do_ == __state::__repeat) 1573 { 1574 bool __do_repeat = ++__s.__loop_data_[__loop_id_].first < __max_; 1575 bool __do_alt = __s.__loop_data_[__loop_id_].first >= __min_; 1576 if (__do_repeat && __do_alt && 1577 __s.__loop_data_[__loop_id_].second == __s.__current_) 1578 __do_repeat = false; 1579 if (__do_repeat && __do_alt) 1580 __s.__do_ = __state::__split; 1581 else if (__do_repeat) 1582 { 1583 __s.__do_ = __state::__accept_but_not_consume; 1584 __s.__node_ = this->first(); 1585 __init_repeat(__s); 1586 } 1587 else 1588 { 1589 __s.__do_ = __state::__accept_but_not_consume; 1590 __s.__node_ = this->second(); 1591 } 1592 } 1593 else 1594 { 1595 __s.__loop_data_[__loop_id_].first = 0; 1596 bool __do_repeat = 0 < __max_; 1597 bool __do_alt = 0 >= __min_; 1598 if (__do_repeat && __do_alt) 1599 __s.__do_ = __state::__split; 1600 else if (__do_repeat) 1601 { 1602 __s.__do_ = __state::__accept_but_not_consume; 1603 __s.__node_ = this->first(); 1604 __init_repeat(__s); 1605 } 1606 else 1607 { 1608 __s.__do_ = __state::__accept_but_not_consume; 1609 __s.__node_ = this->second(); 1610 } 1611 } 1612} 1613 1614template <class _CharT> 1615void 1616__loop<_CharT>::__exec_split(bool __second, __state& __s) const 1617{ 1618 __s.__do_ = __state::__accept_but_not_consume; 1619 if (__greedy_ != __second) 1620 { 1621 __s.__node_ = this->first(); 1622 __init_repeat(__s); 1623 } 1624 else 1625 __s.__node_ = this->second(); 1626} 1627 1628// __alternate 1629 1630template <class _CharT> 1631class __alternate 1632 : public __owns_two_states<_CharT> 1633{ 1634 typedef __owns_two_states<_CharT> base; 1635 1636public: 1637 typedef _VSTD::__state<_CharT> __state; 1638 1639 _LIBCPP_INLINE_VISIBILITY 1640 explicit __alternate(__owns_one_state<_CharT>* __s1, 1641 __owns_one_state<_CharT>* __s2) 1642 : base(__s1, __s2) {} 1643 1644 virtual void __exec(__state& __s) const; 1645 virtual void __exec_split(bool __second, __state& __s) const; 1646}; 1647 1648template <class _CharT> 1649void 1650__alternate<_CharT>::__exec(__state& __s) const 1651{ 1652 __s.__do_ = __state::__split; 1653} 1654 1655template <class _CharT> 1656void 1657__alternate<_CharT>::__exec_split(bool __second, __state& __s) const 1658{ 1659 __s.__do_ = __state::__accept_but_not_consume; 1660 if (__second) 1661 __s.__node_ = this->second(); 1662 else 1663 __s.__node_ = this->first(); 1664} 1665 1666// __begin_marked_subexpression 1667 1668template <class _CharT> 1669class __begin_marked_subexpression 1670 : public __owns_one_state<_CharT> 1671{ 1672 typedef __owns_one_state<_CharT> base; 1673 1674 unsigned __mexp_; 1675public: 1676 typedef _VSTD::__state<_CharT> __state; 1677 1678 _LIBCPP_INLINE_VISIBILITY 1679 explicit __begin_marked_subexpression(unsigned __mexp, __node<_CharT>* __s) 1680 : base(__s), __mexp_(__mexp) {} 1681 1682 virtual void __exec(__state&) const; 1683}; 1684 1685template <class _CharT> 1686void 1687__begin_marked_subexpression<_CharT>::__exec(__state& __s) const 1688{ 1689 __s.__do_ = __state::__accept_but_not_consume; 1690 __s.__sub_matches_[__mexp_-1].first = __s.__current_; 1691 __s.__node_ = this->first(); 1692} 1693 1694// __end_marked_subexpression 1695 1696template <class _CharT> 1697class __end_marked_subexpression 1698 : public __owns_one_state<_CharT> 1699{ 1700 typedef __owns_one_state<_CharT> base; 1701 1702 unsigned __mexp_; 1703public: 1704 typedef _VSTD::__state<_CharT> __state; 1705 1706 _LIBCPP_INLINE_VISIBILITY 1707 explicit __end_marked_subexpression(unsigned __mexp, __node<_CharT>* __s) 1708 : base(__s), __mexp_(__mexp) {} 1709 1710 virtual void __exec(__state&) const; 1711}; 1712 1713template <class _CharT> 1714void 1715__end_marked_subexpression<_CharT>::__exec(__state& __s) const 1716{ 1717 __s.__do_ = __state::__accept_but_not_consume; 1718 __s.__sub_matches_[__mexp_-1].second = __s.__current_; 1719 __s.__sub_matches_[__mexp_-1].matched = true; 1720 __s.__node_ = this->first(); 1721} 1722 1723// __back_ref 1724 1725template <class _CharT> 1726class __back_ref 1727 : public __owns_one_state<_CharT> 1728{ 1729 typedef __owns_one_state<_CharT> base; 1730 1731 unsigned __mexp_; 1732public: 1733 typedef _VSTD::__state<_CharT> __state; 1734 1735 _LIBCPP_INLINE_VISIBILITY 1736 explicit __back_ref(unsigned __mexp, __node<_CharT>* __s) 1737 : base(__s), __mexp_(__mexp) {} 1738 1739 virtual void __exec(__state&) const; 1740}; 1741 1742template <class _CharT> 1743void 1744__back_ref<_CharT>::__exec(__state& __s) const 1745{ 1746 if (__mexp_ > __s.__sub_matches_.size()) 1747 __throw_regex_error<regex_constants::error_backref>(); 1748 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1749 if (__sm.matched) 1750 { 1751 ptrdiff_t __len = __sm.second - __sm.first; 1752 if (__s.__last_ - __s.__current_ >= __len && 1753 _VSTD::equal(__sm.first, __sm.second, __s.__current_)) 1754 { 1755 __s.__do_ = __state::__accept_but_not_consume; 1756 __s.__current_ += __len; 1757 __s.__node_ = this->first(); 1758 } 1759 else 1760 { 1761 __s.__do_ = __state::__reject; 1762 __s.__node_ = nullptr; 1763 } 1764 } 1765 else 1766 { 1767 __s.__do_ = __state::__reject; 1768 __s.__node_ = nullptr; 1769 } 1770} 1771 1772// __back_ref_icase 1773 1774template <class _CharT, class _Traits> 1775class __back_ref_icase 1776 : public __owns_one_state<_CharT> 1777{ 1778 typedef __owns_one_state<_CharT> base; 1779 1780 _Traits __traits_; 1781 unsigned __mexp_; 1782public: 1783 typedef _VSTD::__state<_CharT> __state; 1784 1785 _LIBCPP_INLINE_VISIBILITY 1786 explicit __back_ref_icase(const _Traits& __traits, unsigned __mexp, 1787 __node<_CharT>* __s) 1788 : base(__s), __traits_(__traits), __mexp_(__mexp) {} 1789 1790 virtual void __exec(__state&) const; 1791}; 1792 1793template <class _CharT, class _Traits> 1794void 1795__back_ref_icase<_CharT, _Traits>::__exec(__state& __s) const 1796{ 1797 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1798 if (__sm.matched) 1799 { 1800 ptrdiff_t __len = __sm.second - __sm.first; 1801 if (__s.__last_ - __s.__current_ >= __len) 1802 { 1803 for (ptrdiff_t __i = 0; __i < __len; ++__i) 1804 { 1805 if (__traits_.translate_nocase(__sm.first[__i]) != 1806 __traits_.translate_nocase(__s.__current_[__i])) 1807 goto __not_equal; 1808 } 1809 __s.__do_ = __state::__accept_but_not_consume; 1810 __s.__current_ += __len; 1811 __s.__node_ = this->first(); 1812 } 1813 else 1814 { 1815 __s.__do_ = __state::__reject; 1816 __s.__node_ = nullptr; 1817 } 1818 } 1819 else 1820 { 1821__not_equal: 1822 __s.__do_ = __state::__reject; 1823 __s.__node_ = nullptr; 1824 } 1825} 1826 1827// __back_ref_collate 1828 1829template <class _CharT, class _Traits> 1830class __back_ref_collate 1831 : public __owns_one_state<_CharT> 1832{ 1833 typedef __owns_one_state<_CharT> base; 1834 1835 _Traits __traits_; 1836 unsigned __mexp_; 1837public: 1838 typedef _VSTD::__state<_CharT> __state; 1839 1840 _LIBCPP_INLINE_VISIBILITY 1841 explicit __back_ref_collate(const _Traits& __traits, unsigned __mexp, 1842 __node<_CharT>* __s) 1843 : base(__s), __traits_(__traits), __mexp_(__mexp) {} 1844 1845 virtual void __exec(__state&) const; 1846}; 1847 1848template <class _CharT, class _Traits> 1849void 1850__back_ref_collate<_CharT, _Traits>::__exec(__state& __s) const 1851{ 1852 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1853 if (__sm.matched) 1854 { 1855 ptrdiff_t __len = __sm.second - __sm.first; 1856 if (__s.__last_ - __s.__current_ >= __len) 1857 { 1858 for (ptrdiff_t __i = 0; __i < __len; ++__i) 1859 { 1860 if (__traits_.translate(__sm.first[__i]) != 1861 __traits_.translate(__s.__current_[__i])) 1862 goto __not_equal; 1863 } 1864 __s.__do_ = __state::__accept_but_not_consume; 1865 __s.__current_ += __len; 1866 __s.__node_ = this->first(); 1867 } 1868 else 1869 { 1870 __s.__do_ = __state::__reject; 1871 __s.__node_ = nullptr; 1872 } 1873 } 1874 else 1875 { 1876__not_equal: 1877 __s.__do_ = __state::__reject; 1878 __s.__node_ = nullptr; 1879 } 1880} 1881 1882// __word_boundary 1883 1884template <class _CharT, class _Traits> 1885class __word_boundary 1886 : public __owns_one_state<_CharT> 1887{ 1888 typedef __owns_one_state<_CharT> base; 1889 1890 _Traits __traits_; 1891 bool __invert_; 1892public: 1893 typedef _VSTD::__state<_CharT> __state; 1894 1895 _LIBCPP_INLINE_VISIBILITY 1896 explicit __word_boundary(const _Traits& __traits, bool __invert, 1897 __node<_CharT>* __s) 1898 : base(__s), __traits_(__traits), __invert_(__invert) {} 1899 1900 virtual void __exec(__state&) const; 1901}; 1902 1903template <class _CharT, class _Traits> 1904void 1905__word_boundary<_CharT, _Traits>::__exec(__state& __s) const 1906{ 1907 bool __is_word_b = false; 1908 if (__s.__first_ != __s.__last_) 1909 { 1910 if (__s.__current_ == __s.__last_) 1911 { 1912 if (!(__s.__flags_ & regex_constants::match_not_eow)) 1913 { 1914 _CharT __c = __s.__current_[-1]; 1915 __is_word_b = __c == '_' || 1916 __traits_.isctype(__c, ctype_base::alnum); 1917 } 1918 } 1919 else if (__s.__current_ == __s.__first_ && 1920 !(__s.__flags_ & regex_constants::match_prev_avail)) 1921 { 1922 if (!(__s.__flags_ & regex_constants::match_not_bow)) 1923 { 1924 _CharT __c = *__s.__current_; 1925 __is_word_b = __c == '_' || 1926 __traits_.isctype(__c, ctype_base::alnum); 1927 } 1928 } 1929 else 1930 { 1931 _CharT __c1 = __s.__current_[-1]; 1932 _CharT __c2 = *__s.__current_; 1933 bool __is_c1_b = __c1 == '_' || 1934 __traits_.isctype(__c1, ctype_base::alnum); 1935 bool __is_c2_b = __c2 == '_' || 1936 __traits_.isctype(__c2, ctype_base::alnum); 1937 __is_word_b = __is_c1_b != __is_c2_b; 1938 } 1939 } 1940 if (__is_word_b != __invert_) 1941 { 1942 __s.__do_ = __state::__accept_but_not_consume; 1943 __s.__node_ = this->first(); 1944 } 1945 else 1946 { 1947 __s.__do_ = __state::__reject; 1948 __s.__node_ = nullptr; 1949 } 1950} 1951 1952// __l_anchor 1953 1954template <class _CharT> 1955class __l_anchor 1956 : public __owns_one_state<_CharT> 1957{ 1958 typedef __owns_one_state<_CharT> base; 1959 1960public: 1961 typedef _VSTD::__state<_CharT> __state; 1962 1963 _LIBCPP_INLINE_VISIBILITY 1964 __l_anchor(__node<_CharT>* __s) 1965 : base(__s) {} 1966 1967 virtual void __exec(__state&) const; 1968}; 1969 1970template <class _CharT> 1971void 1972__l_anchor<_CharT>::__exec(__state& __s) const 1973{ 1974 if (__s.__at_first_ && __s.__current_ == __s.__first_ && 1975 !(__s.__flags_ & regex_constants::match_not_bol)) 1976 { 1977 __s.__do_ = __state::__accept_but_not_consume; 1978 __s.__node_ = this->first(); 1979 } 1980 else 1981 { 1982 __s.__do_ = __state::__reject; 1983 __s.__node_ = nullptr; 1984 } 1985} 1986 1987// __r_anchor 1988 1989template <class _CharT> 1990class __r_anchor 1991 : public __owns_one_state<_CharT> 1992{ 1993 typedef __owns_one_state<_CharT> base; 1994 1995public: 1996 typedef _VSTD::__state<_CharT> __state; 1997 1998 _LIBCPP_INLINE_VISIBILITY 1999 __r_anchor(__node<_CharT>* __s) 2000 : base(__s) {} 2001 2002 virtual void __exec(__state&) const; 2003}; 2004 2005template <class _CharT> 2006void 2007__r_anchor<_CharT>::__exec(__state& __s) const 2008{ 2009 if (__s.__current_ == __s.__last_ && 2010 !(__s.__flags_ & regex_constants::match_not_eol)) 2011 { 2012 __s.__do_ = __state::__accept_but_not_consume; 2013 __s.__node_ = this->first(); 2014 } 2015 else 2016 { 2017 __s.__do_ = __state::__reject; 2018 __s.__node_ = nullptr; 2019 } 2020} 2021 2022// __match_any 2023 2024template <class _CharT> 2025class __match_any 2026 : public __owns_one_state<_CharT> 2027{ 2028 typedef __owns_one_state<_CharT> base; 2029 2030public: 2031 typedef _VSTD::__state<_CharT> __state; 2032 2033 _LIBCPP_INLINE_VISIBILITY 2034 __match_any(__node<_CharT>* __s) 2035 : base(__s) {} 2036 2037 virtual void __exec(__state&) const; 2038}; 2039 2040template <class _CharT> 2041void 2042__match_any<_CharT>::__exec(__state& __s) const 2043{ 2044 if (__s.__current_ != __s.__last_ && *__s.__current_ != 0) 2045 { 2046 __s.__do_ = __state::__accept_and_consume; 2047 ++__s.__current_; 2048 __s.__node_ = this->first(); 2049 } 2050 else 2051 { 2052 __s.__do_ = __state::__reject; 2053 __s.__node_ = nullptr; 2054 } 2055} 2056 2057// __match_any_but_newline 2058 2059template <class _CharT> 2060class __match_any_but_newline 2061 : public __owns_one_state<_CharT> 2062{ 2063 typedef __owns_one_state<_CharT> base; 2064 2065public: 2066 typedef _VSTD::__state<_CharT> __state; 2067 2068 _LIBCPP_INLINE_VISIBILITY 2069 __match_any_but_newline(__node<_CharT>* __s) 2070 : base(__s) {} 2071 2072 virtual void __exec(__state&) const; 2073}; 2074 2075template <> _LIBCPP_FUNC_VIS void __match_any_but_newline<char>::__exec(__state&) const; 2076template <> _LIBCPP_FUNC_VIS void __match_any_but_newline<wchar_t>::__exec(__state&) const; 2077 2078// __match_char 2079 2080template <class _CharT> 2081class __match_char 2082 : public __owns_one_state<_CharT> 2083{ 2084 typedef __owns_one_state<_CharT> base; 2085 2086 _CharT __c_; 2087 2088 __match_char(const __match_char&); 2089 __match_char& operator=(const __match_char&); 2090public: 2091 typedef _VSTD::__state<_CharT> __state; 2092 2093 _LIBCPP_INLINE_VISIBILITY 2094 __match_char(_CharT __c, __node<_CharT>* __s) 2095 : base(__s), __c_(__c) {} 2096 2097 virtual void __exec(__state&) const; 2098}; 2099 2100template <class _CharT> 2101void 2102__match_char<_CharT>::__exec(__state& __s) const 2103{ 2104 if (__s.__current_ != __s.__last_ && *__s.__current_ == __c_) 2105 { 2106 __s.__do_ = __state::__accept_and_consume; 2107 ++__s.__current_; 2108 __s.__node_ = this->first(); 2109 } 2110 else 2111 { 2112 __s.__do_ = __state::__reject; 2113 __s.__node_ = nullptr; 2114 } 2115} 2116 2117// __match_char_icase 2118 2119template <class _CharT, class _Traits> 2120class __match_char_icase 2121 : public __owns_one_state<_CharT> 2122{ 2123 typedef __owns_one_state<_CharT> base; 2124 2125 _Traits __traits_; 2126 _CharT __c_; 2127 2128 __match_char_icase(const __match_char_icase&); 2129 __match_char_icase& operator=(const __match_char_icase&); 2130public: 2131 typedef _VSTD::__state<_CharT> __state; 2132 2133 _LIBCPP_INLINE_VISIBILITY 2134 __match_char_icase(const _Traits& __traits, _CharT __c, __node<_CharT>* __s) 2135 : base(__s), __traits_(__traits), __c_(__traits.translate_nocase(__c)) {} 2136 2137 virtual void __exec(__state&) const; 2138}; 2139 2140template <class _CharT, class _Traits> 2141void 2142__match_char_icase<_CharT, _Traits>::__exec(__state& __s) const 2143{ 2144 if (__s.__current_ != __s.__last_ && 2145 __traits_.translate_nocase(*__s.__current_) == __c_) 2146 { 2147 __s.__do_ = __state::__accept_and_consume; 2148 ++__s.__current_; 2149 __s.__node_ = this->first(); 2150 } 2151 else 2152 { 2153 __s.__do_ = __state::__reject; 2154 __s.__node_ = nullptr; 2155 } 2156} 2157 2158// __match_char_collate 2159 2160template <class _CharT, class _Traits> 2161class __match_char_collate 2162 : public __owns_one_state<_CharT> 2163{ 2164 typedef __owns_one_state<_CharT> base; 2165 2166 _Traits __traits_; 2167 _CharT __c_; 2168 2169 __match_char_collate(const __match_char_collate&); 2170 __match_char_collate& operator=(const __match_char_collate&); 2171public: 2172 typedef _VSTD::__state<_CharT> __state; 2173 2174 _LIBCPP_INLINE_VISIBILITY 2175 __match_char_collate(const _Traits& __traits, _CharT __c, __node<_CharT>* __s) 2176 : base(__s), __traits_(__traits), __c_(__traits.translate(__c)) {} 2177 2178 virtual void __exec(__state&) const; 2179}; 2180 2181template <class _CharT, class _Traits> 2182void 2183__match_char_collate<_CharT, _Traits>::__exec(__state& __s) const 2184{ 2185 if (__s.__current_ != __s.__last_ && 2186 __traits_.translate(*__s.__current_) == __c_) 2187 { 2188 __s.__do_ = __state::__accept_and_consume; 2189 ++__s.__current_; 2190 __s.__node_ = this->first(); 2191 } 2192 else 2193 { 2194 __s.__do_ = __state::__reject; 2195 __s.__node_ = nullptr; 2196 } 2197} 2198 2199// __bracket_expression 2200 2201template <class _CharT, class _Traits> 2202class __bracket_expression 2203 : public __owns_one_state<_CharT> 2204{ 2205 typedef __owns_one_state<_CharT> base; 2206 typedef typename _Traits::string_type string_type; 2207 2208 _Traits __traits_; 2209 vector<_CharT> __chars_; 2210 vector<_CharT> __neg_chars_; 2211 vector<pair<string_type, string_type> > __ranges_; 2212 vector<pair<_CharT, _CharT> > __digraphs_; 2213 vector<string_type> __equivalences_; 2214 typename regex_traits<_CharT>::char_class_type __mask_; 2215 typename regex_traits<_CharT>::char_class_type __neg_mask_; 2216 bool __negate_; 2217 bool __icase_; 2218 bool __collate_; 2219 bool __might_have_digraph_; 2220 2221 __bracket_expression(const __bracket_expression&); 2222 __bracket_expression& operator=(const __bracket_expression&); 2223public: 2224 typedef _VSTD::__state<_CharT> __state; 2225 2226 _LIBCPP_INLINE_VISIBILITY 2227 __bracket_expression(const _Traits& __traits, __node<_CharT>* __s, 2228 bool __negate, bool __icase, bool __collate) 2229 : base(__s), __traits_(__traits), __mask_(), __neg_mask_(), 2230 __negate_(__negate), __icase_(__icase), __collate_(__collate), 2231 __might_have_digraph_(__traits_.getloc().name() != "C") {} 2232 2233 virtual void __exec(__state&) const; 2234 2235 _LIBCPP_INLINE_VISIBILITY 2236 bool __negated() const {return __negate_;} 2237 2238 _LIBCPP_INLINE_VISIBILITY 2239 void __add_char(_CharT __c) 2240 { 2241 if (__icase_) 2242 __chars_.push_back(__traits_.translate_nocase(__c)); 2243 else if (__collate_) 2244 __chars_.push_back(__traits_.translate(__c)); 2245 else 2246 __chars_.push_back(__c); 2247 } 2248 _LIBCPP_INLINE_VISIBILITY 2249 void __add_neg_char(_CharT __c) 2250 { 2251 if (__icase_) 2252 __neg_chars_.push_back(__traits_.translate_nocase(__c)); 2253 else if (__collate_) 2254 __neg_chars_.push_back(__traits_.translate(__c)); 2255 else 2256 __neg_chars_.push_back(__c); 2257 } 2258 _LIBCPP_INLINE_VISIBILITY 2259 void __add_range(string_type __b, string_type __e) 2260 { 2261 if (__collate_) 2262 { 2263 if (__icase_) 2264 { 2265 for (size_t __i = 0; __i < __b.size(); ++__i) 2266 __b[__i] = __traits_.translate_nocase(__b[__i]); 2267 for (size_t __i = 0; __i < __e.size(); ++__i) 2268 __e[__i] = __traits_.translate_nocase(__e[__i]); 2269 } 2270 else 2271 { 2272 for (size_t __i = 0; __i < __b.size(); ++__i) 2273 __b[__i] = __traits_.translate(__b[__i]); 2274 for (size_t __i = 0; __i < __e.size(); ++__i) 2275 __e[__i] = __traits_.translate(__e[__i]); 2276 } 2277 __ranges_.push_back(make_pair( 2278 __traits_.transform(__b.begin(), __b.end()), 2279 __traits_.transform(__e.begin(), __e.end()))); 2280 } 2281 else 2282 { 2283 if (__b.size() != 1 || __e.size() != 1) 2284 __throw_regex_error<regex_constants::error_collate>(); 2285 if (__icase_) 2286 { 2287 __b[0] = __traits_.translate_nocase(__b[0]); 2288 __e[0] = __traits_.translate_nocase(__e[0]); 2289 } 2290 __ranges_.push_back(make_pair(_VSTD::move(__b), _VSTD::move(__e))); 2291 } 2292 } 2293 _LIBCPP_INLINE_VISIBILITY 2294 void __add_digraph(_CharT __c1, _CharT __c2) 2295 { 2296 if (__icase_) 2297 __digraphs_.push_back(make_pair(__traits_.translate_nocase(__c1), 2298 __traits_.translate_nocase(__c2))); 2299 else if (__collate_) 2300 __digraphs_.push_back(make_pair(__traits_.translate(__c1), 2301 __traits_.translate(__c2))); 2302 else 2303 __digraphs_.push_back(make_pair(__c1, __c2)); 2304 } 2305 _LIBCPP_INLINE_VISIBILITY 2306 void __add_equivalence(const string_type& __s) 2307 {__equivalences_.push_back(__s);} 2308 _LIBCPP_INLINE_VISIBILITY 2309 void __add_class(typename regex_traits<_CharT>::char_class_type __mask) 2310 {__mask_ |= __mask;} 2311 _LIBCPP_INLINE_VISIBILITY 2312 void __add_neg_class(typename regex_traits<_CharT>::char_class_type __mask) 2313 {__neg_mask_ |= __mask;} 2314}; 2315 2316template <class _CharT, class _Traits> 2317void 2318__bracket_expression<_CharT, _Traits>::__exec(__state& __s) const 2319{ 2320 bool __found = false; 2321 unsigned __consumed = 0; 2322 if (__s.__current_ != __s.__last_) 2323 { 2324 ++__consumed; 2325 if (__might_have_digraph_) 2326 { 2327 const _CharT* __next = _VSTD::next(__s.__current_); 2328 if (__next != __s.__last_) 2329 { 2330 pair<_CharT, _CharT> __ch2(*__s.__current_, *__next); 2331 if (__icase_) 2332 { 2333 __ch2.first = __traits_.translate_nocase(__ch2.first); 2334 __ch2.second = __traits_.translate_nocase(__ch2.second); 2335 } 2336 else if (__collate_) 2337 { 2338 __ch2.first = __traits_.translate(__ch2.first); 2339 __ch2.second = __traits_.translate(__ch2.second); 2340 } 2341 if (!__traits_.lookup_collatename(&__ch2.first, &__ch2.first+2).empty()) 2342 { 2343 // __ch2 is a digraph in this locale 2344 ++__consumed; 2345 for (size_t __i = 0; __i < __digraphs_.size(); ++__i) 2346 { 2347 if (__ch2 == __digraphs_[__i]) 2348 { 2349 __found = true; 2350 goto __exit; 2351 } 2352 } 2353 if (__collate_ && !__ranges_.empty()) 2354 { 2355 string_type __s2 = __traits_.transform(&__ch2.first, 2356 &__ch2.first + 2); 2357 for (size_t __i = 0; __i < __ranges_.size(); ++__i) 2358 { 2359 if (__ranges_[__i].first <= __s2 && 2360 __s2 <= __ranges_[__i].second) 2361 { 2362 __found = true; 2363 goto __exit; 2364 } 2365 } 2366 } 2367 if (!__equivalences_.empty()) 2368 { 2369 string_type __s2 = __traits_.transform_primary(&__ch2.first, 2370 &__ch2.first + 2); 2371 for (size_t __i = 0; __i < __equivalences_.size(); ++__i) 2372 { 2373 if (__s2 == __equivalences_[__i]) 2374 { 2375 __found = true; 2376 goto __exit; 2377 } 2378 } 2379 } 2380 if (__traits_.isctype(__ch2.first, __mask_) && 2381 __traits_.isctype(__ch2.second, __mask_)) 2382 { 2383 __found = true; 2384 goto __exit; 2385 } 2386 if (!__traits_.isctype(__ch2.first, __neg_mask_) && 2387 !__traits_.isctype(__ch2.second, __neg_mask_)) 2388 { 2389 __found = true; 2390 goto __exit; 2391 } 2392 goto __exit; 2393 } 2394 } 2395 } 2396 // test *__s.__current_ as not a digraph 2397 _CharT __ch = *__s.__current_; 2398 if (__icase_) 2399 __ch = __traits_.translate_nocase(__ch); 2400 else if (__collate_) 2401 __ch = __traits_.translate(__ch); 2402 for (size_t __i = 0; __i < __chars_.size(); ++__i) 2403 { 2404 if (__ch == __chars_[__i]) 2405 { 2406 __found = true; 2407 goto __exit; 2408 } 2409 } 2410 if (!__neg_chars_.empty()) 2411 { 2412 for (size_t __i = 0; __i < __neg_chars_.size(); ++__i) 2413 { 2414 if (__ch == __neg_chars_[__i]) 2415 goto __is_neg_char; 2416 } 2417 __found = true; 2418 goto __exit; 2419 } 2420__is_neg_char: 2421 if (!__ranges_.empty()) 2422 { 2423 string_type __s2 = __collate_ ? 2424 __traits_.transform(&__ch, &__ch + 1) : 2425 string_type(1, __ch); 2426 for (size_t __i = 0; __i < __ranges_.size(); ++__i) 2427 { 2428 if (__ranges_[__i].first <= __s2 && __s2 <= __ranges_[__i].second) 2429 { 2430 __found = true; 2431 goto __exit; 2432 } 2433 } 2434 } 2435 if (!__equivalences_.empty()) 2436 { 2437 string_type __s2 = __traits_.transform_primary(&__ch, &__ch + 1); 2438 for (size_t __i = 0; __i < __equivalences_.size(); ++__i) 2439 { 2440 if (__s2 == __equivalences_[__i]) 2441 { 2442 __found = true; 2443 goto __exit; 2444 } 2445 } 2446 } 2447 if (__traits_.isctype(__ch, __mask_)) 2448 { 2449 __found = true; 2450 goto __exit; 2451 } 2452 if (__neg_mask_ && !__traits_.isctype(__ch, __neg_mask_)) 2453 { 2454 __found = true; 2455 goto __exit; 2456 } 2457 } 2458 else 2459 __found = __negate_; // force reject 2460__exit: 2461 if (__found != __negate_) 2462 { 2463 __s.__do_ = __state::__accept_and_consume; 2464 __s.__current_ += __consumed; 2465 __s.__node_ = this->first(); 2466 } 2467 else 2468 { 2469 __s.__do_ = __state::__reject; 2470 __s.__node_ = nullptr; 2471 } 2472} 2473 2474template <class _CharT, class _Traits> class __lookahead; 2475 2476template <class _CharT, class _Traits = regex_traits<_CharT> > 2477class _LIBCPP_TEMPLATE_VIS basic_regex 2478{ 2479public: 2480 // types: 2481 typedef _CharT value_type; 2482 typedef _Traits traits_type; 2483 typedef typename _Traits::string_type string_type; 2484 typedef regex_constants::syntax_option_type flag_type; 2485 typedef typename _Traits::locale_type locale_type; 2486 2487private: 2488 _Traits __traits_; 2489 flag_type __flags_; 2490 unsigned __marked_count_; 2491 unsigned __loop_count_; 2492 int __open_count_; 2493 shared_ptr<__empty_state<_CharT> > __start_; 2494 __owns_one_state<_CharT>* __end_; 2495 2496 typedef _VSTD::__state<_CharT> __state; 2497 typedef _VSTD::__node<_CharT> __node; 2498 2499public: 2500 // constants: 2501 static const regex_constants::syntax_option_type icase = regex_constants::icase; 2502 static const regex_constants::syntax_option_type nosubs = regex_constants::nosubs; 2503 static const regex_constants::syntax_option_type optimize = regex_constants::optimize; 2504 static const regex_constants::syntax_option_type collate = regex_constants::collate; 2505 static const regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; 2506 static const regex_constants::syntax_option_type basic = regex_constants::basic; 2507 static const regex_constants::syntax_option_type extended = regex_constants::extended; 2508 static const regex_constants::syntax_option_type awk = regex_constants::awk; 2509 static const regex_constants::syntax_option_type grep = regex_constants::grep; 2510 static const regex_constants::syntax_option_type egrep = regex_constants::egrep; 2511 2512 // construct/copy/destroy: 2513 _LIBCPP_INLINE_VISIBILITY 2514 basic_regex() 2515 : __flags_(), __marked_count_(0), __loop_count_(0), __open_count_(0), 2516 __end_(0) 2517 {} 2518 _LIBCPP_INLINE_VISIBILITY 2519 explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript) 2520 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2521 __end_(0) 2522 {__parse(__p, __p + __traits_.length(__p));} 2523 _LIBCPP_INLINE_VISIBILITY 2524 basic_regex(const value_type* __p, size_t __len, flag_type __f = regex_constants::ECMAScript) 2525 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2526 __end_(0) 2527 {__parse(__p, __p + __len);} 2528// basic_regex(const basic_regex&) = default; 2529// basic_regex(basic_regex&&) = default; 2530 template <class _ST, class _SA> 2531 _LIBCPP_INLINE_VISIBILITY 2532 explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p, 2533 flag_type __f = regex_constants::ECMAScript) 2534 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2535 __end_(0) 2536 {__parse(__p.begin(), __p.end());} 2537 template <class _ForwardIterator> 2538 _LIBCPP_INLINE_VISIBILITY 2539 basic_regex(_ForwardIterator __first, _ForwardIterator __last, 2540 flag_type __f = regex_constants::ECMAScript) 2541 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2542 __end_(0) 2543 {__parse(__first, __last);} 2544#ifndef _LIBCPP_CXX03_LANG 2545 _LIBCPP_INLINE_VISIBILITY 2546 basic_regex(initializer_list<value_type> __il, 2547 flag_type __f = regex_constants::ECMAScript) 2548 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2549 __end_(0) 2550 {__parse(__il.begin(), __il.end());} 2551#endif // _LIBCPP_CXX03_LANG 2552 2553// ~basic_regex() = default; 2554 2555// basic_regex& operator=(const basic_regex&) = default; 2556// basic_regex& operator=(basic_regex&&) = default; 2557 _LIBCPP_INLINE_VISIBILITY 2558 basic_regex& operator=(const value_type* __p) 2559 {return assign(__p);} 2560#ifndef _LIBCPP_CXX03_LANG 2561 _LIBCPP_INLINE_VISIBILITY 2562 basic_regex& operator=(initializer_list<value_type> __il) 2563 {return assign(__il);} 2564#endif // _LIBCPP_CXX03_LANG 2565 template <class _ST, class _SA> 2566 _LIBCPP_INLINE_VISIBILITY 2567 basic_regex& operator=(const basic_string<value_type, _ST, _SA>& __p) 2568 {return assign(__p);} 2569 2570 // assign: 2571 _LIBCPP_INLINE_VISIBILITY 2572 basic_regex& assign(const basic_regex& __that) 2573 {return *this = __that;} 2574#ifndef _LIBCPP_CXX03_LANG 2575 _LIBCPP_INLINE_VISIBILITY 2576 basic_regex& assign(basic_regex&& __that) _NOEXCEPT 2577 {return *this = _VSTD::move(__that);} 2578#endif 2579 _LIBCPP_INLINE_VISIBILITY 2580 basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript) 2581 {return assign(__p, __p + __traits_.length(__p), __f);} 2582 _LIBCPP_INLINE_VISIBILITY 2583 basic_regex& assign(const value_type* __p, size_t __len, flag_type __f) 2584 {return assign(__p, __p + __len, __f);} 2585 template <class _ST, class _SA> 2586 _LIBCPP_INLINE_VISIBILITY 2587 basic_regex& assign(const basic_string<value_type, _ST, _SA>& __s, 2588 flag_type __f = regex_constants::ECMAScript) 2589 {return assign(__s.begin(), __s.end(), __f);} 2590 2591 template <class _InputIterator> 2592 _LIBCPP_INLINE_VISIBILITY 2593 typename enable_if 2594 < 2595 __is_input_iterator <_InputIterator>::value && 2596 !__is_forward_iterator<_InputIterator>::value, 2597 basic_regex& 2598 >::type 2599 assign(_InputIterator __first, _InputIterator __last, 2600 flag_type __f = regex_constants::ECMAScript) 2601 { 2602 basic_string<_CharT> __t(__first, __last); 2603 return assign(__t.begin(), __t.end(), __f); 2604 } 2605 2606private: 2607 _LIBCPP_INLINE_VISIBILITY 2608 void __member_init(flag_type __f) 2609 { 2610 __flags_ = __f; 2611 __marked_count_ = 0; 2612 __loop_count_ = 0; 2613 __open_count_ = 0; 2614 __end_ = nullptr; 2615 } 2616public: 2617 2618 template <class _ForwardIterator> 2619 _LIBCPP_INLINE_VISIBILITY 2620 typename enable_if 2621 < 2622 __is_forward_iterator<_ForwardIterator>::value, 2623 basic_regex& 2624 >::type 2625 assign(_ForwardIterator __first, _ForwardIterator __last, 2626 flag_type __f = regex_constants::ECMAScript) 2627 { 2628 return assign(basic_regex(__first, __last, __f)); 2629 } 2630 2631#ifndef _LIBCPP_CXX03_LANG 2632 2633 _LIBCPP_INLINE_VISIBILITY 2634 basic_regex& assign(initializer_list<value_type> __il, 2635 flag_type __f = regex_constants::ECMAScript) 2636 {return assign(__il.begin(), __il.end(), __f);} 2637 2638#endif // _LIBCPP_CXX03_LANG 2639 2640 // const operations: 2641 _LIBCPP_INLINE_VISIBILITY 2642 unsigned mark_count() const {return __marked_count_;} 2643 _LIBCPP_INLINE_VISIBILITY 2644 flag_type flags() const {return __flags_;} 2645 2646 // locale: 2647 _LIBCPP_INLINE_VISIBILITY 2648 locale_type imbue(locale_type __loc) 2649 { 2650 __member_init(ECMAScript); 2651 __start_.reset(); 2652 return __traits_.imbue(__loc); 2653 } 2654 _LIBCPP_INLINE_VISIBILITY 2655 locale_type getloc() const {return __traits_.getloc();} 2656 2657 // swap: 2658 void swap(basic_regex& __r); 2659 2660private: 2661 _LIBCPP_INLINE_VISIBILITY 2662 unsigned __loop_count() const {return __loop_count_;} 2663 2664 template <class _ForwardIterator> 2665 _ForwardIterator 2666 __parse(_ForwardIterator __first, _ForwardIterator __last); 2667 template <class _ForwardIterator> 2668 _ForwardIterator 2669 __parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last); 2670 template <class _ForwardIterator> 2671 _ForwardIterator 2672 __parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last); 2673 template <class _ForwardIterator> 2674 _ForwardIterator 2675 __parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last); 2676 template <class _ForwardIterator> 2677 _ForwardIterator 2678 __parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last); 2679 template <class _ForwardIterator> 2680 _ForwardIterator 2681 __parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last); 2682 template <class _ForwardIterator> 2683 _ForwardIterator 2684 __parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last); 2685 template <class _ForwardIterator> 2686 _ForwardIterator 2687 __parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last); 2688 template <class _ForwardIterator> 2689 _ForwardIterator 2690 __parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last); 2691 template <class _ForwardIterator> 2692 _ForwardIterator 2693 __parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last); 2694 template <class _ForwardIterator> 2695 _ForwardIterator 2696 __parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last); 2697 template <class _ForwardIterator> 2698 _ForwardIterator 2699 __parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last); 2700 template <class _ForwardIterator> 2701 _ForwardIterator 2702 __parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last); 2703 template <class _ForwardIterator> 2704 _ForwardIterator 2705 __parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last, 2706 __owns_one_state<_CharT>* __s, 2707 unsigned __mexp_begin, unsigned __mexp_end); 2708 template <class _ForwardIterator> 2709 _ForwardIterator 2710 __parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last, 2711 __owns_one_state<_CharT>* __s, 2712 unsigned __mexp_begin, unsigned __mexp_end); 2713 template <class _ForwardIterator> 2714 _ForwardIterator 2715 __parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last); 2716 template <class _ForwardIterator> 2717 _ForwardIterator 2718 __parse_follow_list(_ForwardIterator __first, _ForwardIterator __last, 2719 __bracket_expression<_CharT, _Traits>* __ml); 2720 template <class _ForwardIterator> 2721 _ForwardIterator 2722 __parse_expression_term(_ForwardIterator __first, _ForwardIterator __last, 2723 __bracket_expression<_CharT, _Traits>* __ml); 2724 template <class _ForwardIterator> 2725 _ForwardIterator 2726 __parse_equivalence_class(_ForwardIterator __first, _ForwardIterator __last, 2727 __bracket_expression<_CharT, _Traits>* __ml); 2728 template <class _ForwardIterator> 2729 _ForwardIterator 2730 __parse_character_class(_ForwardIterator __first, _ForwardIterator __last, 2731 __bracket_expression<_CharT, _Traits>* __ml); 2732 template <class _ForwardIterator> 2733 _ForwardIterator 2734 __parse_collating_symbol(_ForwardIterator __first, _ForwardIterator __last, 2735 basic_string<_CharT>& __col_sym); 2736 template <class _ForwardIterator> 2737 _ForwardIterator 2738 __parse_DUP_COUNT(_ForwardIterator __first, _ForwardIterator __last, int& __c); 2739 template <class _ForwardIterator> 2740 _ForwardIterator 2741 __parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last); 2742 template <class _ForwardIterator> 2743 _ForwardIterator 2744 __parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last); 2745 template <class _ForwardIterator> 2746 _ForwardIterator 2747 __parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last); 2748 template <class _ForwardIterator> 2749 _ForwardIterator 2750 __parse_one_char_or_coll_elem_ERE(_ForwardIterator __first, _ForwardIterator __last); 2751 template <class _ForwardIterator> 2752 _ForwardIterator 2753 __parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); 2754 template <class _ForwardIterator> 2755 _ForwardIterator 2756 __parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); 2757 template <class _ForwardIterator> 2758 _ForwardIterator 2759 __parse_ecma_exp(_ForwardIterator __first, _ForwardIterator __last); 2760 template <class _ForwardIterator> 2761 _ForwardIterator 2762 __parse_alternative(_ForwardIterator __first, _ForwardIterator __last); 2763 template <class _ForwardIterator> 2764 _ForwardIterator 2765 __parse_term(_ForwardIterator __first, _ForwardIterator __last); 2766 template <class _ForwardIterator> 2767 _ForwardIterator 2768 __parse_assertion(_ForwardIterator __first, _ForwardIterator __last); 2769 template <class _ForwardIterator> 2770 _ForwardIterator 2771 __parse_atom(_ForwardIterator __first, _ForwardIterator __last); 2772 template <class _ForwardIterator> 2773 _ForwardIterator 2774 __parse_atom_escape(_ForwardIterator __first, _ForwardIterator __last); 2775 template <class _ForwardIterator> 2776 _ForwardIterator 2777 __parse_decimal_escape(_ForwardIterator __first, _ForwardIterator __last); 2778 template <class _ForwardIterator> 2779 _ForwardIterator 2780 __parse_character_class_escape(_ForwardIterator __first, _ForwardIterator __last); 2781 template <class _ForwardIterator> 2782 _ForwardIterator 2783 __parse_character_escape(_ForwardIterator __first, _ForwardIterator __last, 2784 basic_string<_CharT>* __str = nullptr); 2785 template <class _ForwardIterator> 2786 _ForwardIterator 2787 __parse_pattern_character(_ForwardIterator __first, _ForwardIterator __last); 2788 template <class _ForwardIterator> 2789 _ForwardIterator 2790 __parse_grep(_ForwardIterator __first, _ForwardIterator __last); 2791 template <class _ForwardIterator> 2792 _ForwardIterator 2793 __parse_egrep(_ForwardIterator __first, _ForwardIterator __last); 2794 template <class _ForwardIterator> 2795 _ForwardIterator 2796 __parse_class_escape(_ForwardIterator __first, _ForwardIterator __last, 2797 basic_string<_CharT>& __str, 2798 __bracket_expression<_CharT, _Traits>* __ml); 2799 template <class _ForwardIterator> 2800 _ForwardIterator 2801 __parse_awk_escape(_ForwardIterator __first, _ForwardIterator __last, 2802 basic_string<_CharT>* __str = nullptr); 2803 2804 _LIBCPP_INLINE_VISIBILITY 2805 void __push_l_anchor(); 2806 void __push_r_anchor(); 2807 void __push_match_any(); 2808 void __push_match_any_but_newline(); 2809 _LIBCPP_INLINE_VISIBILITY 2810 void __push_greedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s, 2811 unsigned __mexp_begin = 0, unsigned __mexp_end = 0) 2812 {__push_loop(__min, numeric_limits<size_t>::max(), __s, 2813 __mexp_begin, __mexp_end);} 2814 _LIBCPP_INLINE_VISIBILITY 2815 void __push_nongreedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s, 2816 unsigned __mexp_begin = 0, unsigned __mexp_end = 0) 2817 {__push_loop(__min, numeric_limits<size_t>::max(), __s, 2818 __mexp_begin, __mexp_end, false);} 2819 void __push_loop(size_t __min, size_t __max, __owns_one_state<_CharT>* __s, 2820 size_t __mexp_begin = 0, size_t __mexp_end = 0, 2821 bool __greedy = true); 2822 __bracket_expression<_CharT, _Traits>* __start_matching_list(bool __negate); 2823 void __push_char(value_type __c); 2824 void __push_back_ref(int __i); 2825 void __push_alternation(__owns_one_state<_CharT>* __sa, 2826 __owns_one_state<_CharT>* __sb); 2827 void __push_begin_marked_subexpression(); 2828 void __push_end_marked_subexpression(unsigned); 2829 void __push_empty(); 2830 void __push_word_boundary(bool); 2831 void __push_lookahead(const basic_regex&, bool, unsigned); 2832 2833 template <class _Allocator> 2834 bool 2835 __search(const _CharT* __first, const _CharT* __last, 2836 match_results<const _CharT*, _Allocator>& __m, 2837 regex_constants::match_flag_type __flags) const; 2838 2839 template <class _Allocator> 2840 bool 2841 __match_at_start(const _CharT* __first, const _CharT* __last, 2842 match_results<const _CharT*, _Allocator>& __m, 2843 regex_constants::match_flag_type __flags, bool) const; 2844 template <class _Allocator> 2845 bool 2846 __match_at_start_ecma(const _CharT* __first, const _CharT* __last, 2847 match_results<const _CharT*, _Allocator>& __m, 2848 regex_constants::match_flag_type __flags, bool) const; 2849 template <class _Allocator> 2850 bool 2851 __match_at_start_posix_nosubs(const _CharT* __first, const _CharT* __last, 2852 match_results<const _CharT*, _Allocator>& __m, 2853 regex_constants::match_flag_type __flags, bool) const; 2854 template <class _Allocator> 2855 bool 2856 __match_at_start_posix_subs(const _CharT* __first, const _CharT* __last, 2857 match_results<const _CharT*, _Allocator>& __m, 2858 regex_constants::match_flag_type __flags, bool) const; 2859 2860 template <class _Bp, class _Ap, class _Cp, class _Tp> 2861 friend 2862 bool 2863 regex_search(_Bp, _Bp, match_results<_Bp, _Ap>&, const basic_regex<_Cp, _Tp>&, 2864 regex_constants::match_flag_type); 2865 2866 template <class _Ap, class _Cp, class _Tp> 2867 friend 2868 bool 2869 regex_search(const _Cp*, const _Cp*, match_results<const _Cp*, _Ap>&, 2870 const basic_regex<_Cp, _Tp>&, regex_constants::match_flag_type); 2871 2872 template <class _Bp, class _Cp, class _Tp> 2873 friend 2874 bool 2875 regex_search(_Bp, _Bp, const basic_regex<_Cp, _Tp>&, 2876 regex_constants::match_flag_type); 2877 2878 template <class _Cp, class _Tp> 2879 friend 2880 bool 2881 regex_search(const _Cp*, const _Cp*, 2882 const basic_regex<_Cp, _Tp>&, regex_constants::match_flag_type); 2883 2884 template <class _Cp, class _Ap, class _Tp> 2885 friend 2886 bool 2887 regex_search(const _Cp*, match_results<const _Cp*, _Ap>&, const basic_regex<_Cp, _Tp>&, 2888 regex_constants::match_flag_type); 2889 2890 template <class _ST, class _SA, class _Cp, class _Tp> 2891 friend 2892 bool 2893 regex_search(const basic_string<_Cp, _ST, _SA>& __s, 2894 const basic_regex<_Cp, _Tp>& __e, 2895 regex_constants::match_flag_type __flags); 2896 2897 template <class _ST, class _SA, class _Ap, class _Cp, class _Tp> 2898 friend 2899 bool 2900 regex_search(const basic_string<_Cp, _ST, _SA>& __s, 2901 match_results<typename basic_string<_Cp, _ST, _SA>::const_iterator, _Ap>&, 2902 const basic_regex<_Cp, _Tp>& __e, 2903 regex_constants::match_flag_type __flags); 2904 2905 template <class _Iter, class _Ap, class _Cp, class _Tp> 2906 friend 2907 bool 2908 regex_search(__wrap_iter<_Iter> __first, 2909 __wrap_iter<_Iter> __last, 2910 match_results<__wrap_iter<_Iter>, _Ap>& __m, 2911 const basic_regex<_Cp, _Tp>& __e, 2912 regex_constants::match_flag_type __flags); 2913 2914 template <class, class> friend class __lookahead; 2915}; 2916 2917template <class _CharT, class _Traits> 2918 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::icase; 2919template <class _CharT, class _Traits> 2920 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::nosubs; 2921template <class _CharT, class _Traits> 2922 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::optimize; 2923template <class _CharT, class _Traits> 2924 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::collate; 2925template <class _CharT, class _Traits> 2926 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::ECMAScript; 2927template <class _CharT, class _Traits> 2928 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::basic; 2929template <class _CharT, class _Traits> 2930 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::extended; 2931template <class _CharT, class _Traits> 2932 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::awk; 2933template <class _CharT, class _Traits> 2934 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::grep; 2935template <class _CharT, class _Traits> 2936 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::egrep; 2937 2938template <class _CharT, class _Traits> 2939void 2940basic_regex<_CharT, _Traits>::swap(basic_regex& __r) 2941{ 2942 using _VSTD::swap; 2943 swap(__traits_, __r.__traits_); 2944 swap(__flags_, __r.__flags_); 2945 swap(__marked_count_, __r.__marked_count_); 2946 swap(__loop_count_, __r.__loop_count_); 2947 swap(__open_count_, __r.__open_count_); 2948 swap(__start_, __r.__start_); 2949 swap(__end_, __r.__end_); 2950} 2951 2952template <class _CharT, class _Traits> 2953inline _LIBCPP_INLINE_VISIBILITY 2954void 2955swap(basic_regex<_CharT, _Traits>& __x, basic_regex<_CharT, _Traits>& __y) 2956{ 2957 return __x.swap(__y); 2958} 2959 2960// __lookahead 2961 2962template <class _CharT, class _Traits> 2963class __lookahead 2964 : public __owns_one_state<_CharT> 2965{ 2966 typedef __owns_one_state<_CharT> base; 2967 2968 basic_regex<_CharT, _Traits> __exp_; 2969 unsigned __mexp_; 2970 bool __invert_; 2971 2972 __lookahead(const __lookahead&); 2973 __lookahead& operator=(const __lookahead&); 2974public: 2975 typedef _VSTD::__state<_CharT> __state; 2976 2977 _LIBCPP_INLINE_VISIBILITY 2978 __lookahead(const basic_regex<_CharT, _Traits>& __exp, bool __invert, __node<_CharT>* __s, unsigned __mexp) 2979 : base(__s), __exp_(__exp), __mexp_(__mexp), __invert_(__invert) {} 2980 2981 virtual void __exec(__state&) const; 2982}; 2983 2984template <class _CharT, class _Traits> 2985void 2986__lookahead<_CharT, _Traits>::__exec(__state& __s) const 2987{ 2988 match_results<const _CharT*> __m; 2989 __m.__init(1 + __exp_.mark_count(), __s.__current_, __s.__last_); 2990 bool __matched = __exp_.__match_at_start_ecma( 2991 __s.__current_, __s.__last_, 2992 __m, 2993 (__s.__flags_ | regex_constants::match_continuous) & 2994 ~regex_constants::__full_match, 2995 __s.__at_first_ && __s.__current_ == __s.__first_); 2996 if (__matched != __invert_) 2997 { 2998 __s.__do_ = __state::__accept_but_not_consume; 2999 __s.__node_ = this->first(); 3000 for (unsigned __i = 1; __i < __m.size(); ++__i) { 3001 __s.__sub_matches_[__mexp_ + __i - 1] = __m.__matches_[__i]; 3002 } 3003 } 3004 else 3005 { 3006 __s.__do_ = __state::__reject; 3007 __s.__node_ = nullptr; 3008 } 3009} 3010 3011template <class _CharT, class _Traits> 3012template <class _ForwardIterator> 3013_ForwardIterator 3014basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first, 3015 _ForwardIterator __last) 3016{ 3017 { 3018 unique_ptr<__node> __h(new __end_state<_CharT>); 3019 __start_.reset(new __empty_state<_CharT>(__h.get())); 3020 __h.release(); 3021 __end_ = __start_.get(); 3022 } 3023 switch (__flags_ & 0x1F0) 3024 { 3025 case ECMAScript: 3026 __first = __parse_ecma_exp(__first, __last); 3027 break; 3028 case basic: 3029 __first = __parse_basic_reg_exp(__first, __last); 3030 break; 3031 case extended: 3032 case awk: 3033 __first = __parse_extended_reg_exp(__first, __last); 3034 break; 3035 case grep: 3036 __first = __parse_grep(__first, __last); 3037 break; 3038 case egrep: 3039 __first = __parse_egrep(__first, __last); 3040 break; 3041 default: 3042 __throw_regex_error<regex_constants::__re_err_grammar>(); 3043 } 3044 return __first; 3045} 3046 3047template <class _CharT, class _Traits> 3048template <class _ForwardIterator> 3049_ForwardIterator 3050basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first, 3051 _ForwardIterator __last) 3052{ 3053 if (__first != __last) 3054 { 3055 if (*__first == '^') 3056 { 3057 __push_l_anchor(); 3058 ++__first; 3059 } 3060 if (__first != __last) 3061 { 3062 __first = __parse_RE_expression(__first, __last); 3063 if (__first != __last) 3064 { 3065 _ForwardIterator __temp = _VSTD::next(__first); 3066 if (__temp == __last && *__first == '$') 3067 { 3068 __push_r_anchor(); 3069 ++__first; 3070 } 3071 } 3072 } 3073 if (__first != __last) 3074 __throw_regex_error<regex_constants::__re_err_empty>(); 3075 } 3076 return __first; 3077} 3078 3079template <class _CharT, class _Traits> 3080template <class _ForwardIterator> 3081_ForwardIterator 3082basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first, 3083 _ForwardIterator __last) 3084{ 3085 __owns_one_state<_CharT>* __sa = __end_; 3086 _ForwardIterator __temp = __parse_ERE_branch(__first, __last); 3087 if (__temp == __first) 3088 __throw_regex_error<regex_constants::__re_err_empty>(); 3089 __first = __temp; 3090 while (__first != __last && *__first == '|') 3091 { 3092 __owns_one_state<_CharT>* __sb = __end_; 3093 __temp = __parse_ERE_branch(++__first, __last); 3094 if (__temp == __first) 3095 __throw_regex_error<regex_constants::__re_err_empty>(); 3096 __push_alternation(__sa, __sb); 3097 __first = __temp; 3098 } 3099 return __first; 3100} 3101 3102template <class _CharT, class _Traits> 3103template <class _ForwardIterator> 3104_ForwardIterator 3105basic_regex<_CharT, _Traits>::__parse_ERE_branch(_ForwardIterator __first, 3106 _ForwardIterator __last) 3107{ 3108 _ForwardIterator __temp = __parse_ERE_expression(__first, __last); 3109 if (__temp == __first) 3110 __throw_regex_error<regex_constants::__re_err_empty>(); 3111 do 3112 { 3113 __first = __temp; 3114 __temp = __parse_ERE_expression(__first, __last); 3115 } while (__temp != __first); 3116 return __first; 3117} 3118 3119template <class _CharT, class _Traits> 3120template <class _ForwardIterator> 3121_ForwardIterator 3122basic_regex<_CharT, _Traits>::__parse_ERE_expression(_ForwardIterator __first, 3123 _ForwardIterator __last) 3124{ 3125 __owns_one_state<_CharT>* __e = __end_; 3126 unsigned __mexp_begin = __marked_count_; 3127 _ForwardIterator __temp = __parse_one_char_or_coll_elem_ERE(__first, __last); 3128 if (__temp == __first && __temp != __last) 3129 { 3130 switch (*__temp) 3131 { 3132 case '^': 3133 __push_l_anchor(); 3134 ++__temp; 3135 break; 3136 case '$': 3137 __push_r_anchor(); 3138 ++__temp; 3139 break; 3140 case '(': 3141 __push_begin_marked_subexpression(); 3142 unsigned __temp_count = __marked_count_; 3143 ++__open_count_; 3144 __temp = __parse_extended_reg_exp(++__temp, __last); 3145 if (__temp == __last || *__temp != ')') 3146 __throw_regex_error<regex_constants::error_paren>(); 3147 __push_end_marked_subexpression(__temp_count); 3148 --__open_count_; 3149 ++__temp; 3150 break; 3151 } 3152 } 3153 if (__temp != __first) 3154 __temp = __parse_ERE_dupl_symbol(__temp, __last, __e, __mexp_begin+1, 3155 __marked_count_+1); 3156 __first = __temp; 3157 return __first; 3158} 3159 3160template <class _CharT, class _Traits> 3161template <class _ForwardIterator> 3162_ForwardIterator 3163basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first, 3164 _ForwardIterator __last) 3165{ 3166 while (true) 3167 { 3168 _ForwardIterator __temp = __parse_simple_RE(__first, __last); 3169 if (__temp == __first) 3170 break; 3171 __first = __temp; 3172 } 3173 return __first; 3174} 3175 3176template <class _CharT, class _Traits> 3177template <class _ForwardIterator> 3178_ForwardIterator 3179basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first, 3180 _ForwardIterator __last) 3181{ 3182 if (__first != __last) 3183 { 3184 __owns_one_state<_CharT>* __e = __end_; 3185 unsigned __mexp_begin = __marked_count_; 3186 _ForwardIterator __temp = __parse_nondupl_RE(__first, __last); 3187 if (__temp != __first) 3188 __first = __parse_RE_dupl_symbol(__temp, __last, __e, 3189 __mexp_begin+1, __marked_count_+1); 3190 } 3191 return __first; 3192} 3193 3194template <class _CharT, class _Traits> 3195template <class _ForwardIterator> 3196_ForwardIterator 3197basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first, 3198 _ForwardIterator __last) 3199{ 3200 _ForwardIterator __temp = __first; 3201 __first = __parse_one_char_or_coll_elem_RE(__first, __last); 3202 if (__temp == __first) 3203 { 3204 __temp = __parse_Back_open_paren(__first, __last); 3205 if (__temp != __first) 3206 { 3207 __push_begin_marked_subexpression(); 3208 unsigned __temp_count = __marked_count_; 3209 __first = __parse_RE_expression(__temp, __last); 3210 __temp = __parse_Back_close_paren(__first, __last); 3211 if (__temp == __first) 3212 __throw_regex_error<regex_constants::error_paren>(); 3213 __push_end_marked_subexpression(__temp_count); 3214 __first = __temp; 3215 } 3216 else 3217 __first = __parse_BACKREF(__first, __last); 3218 } 3219 return __first; 3220} 3221 3222template <class _CharT, class _Traits> 3223template <class _ForwardIterator> 3224_ForwardIterator 3225basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE( 3226 _ForwardIterator __first, 3227 _ForwardIterator __last) 3228{ 3229 _ForwardIterator __temp = __parse_ORD_CHAR(__first, __last); 3230 if (__temp == __first) 3231 { 3232 __temp = __parse_QUOTED_CHAR(__first, __last); 3233 if (__temp == __first) 3234 { 3235 if (__temp != __last && *__temp == '.') 3236 { 3237 __push_match_any(); 3238 ++__temp; 3239 } 3240 else 3241 __temp = __parse_bracket_expression(__first, __last); 3242 } 3243 } 3244 __first = __temp; 3245 return __first; 3246} 3247 3248template <class _CharT, class _Traits> 3249template <class _ForwardIterator> 3250_ForwardIterator 3251basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_ERE( 3252 _ForwardIterator __first, 3253 _ForwardIterator __last) 3254{ 3255 _ForwardIterator __temp = __parse_ORD_CHAR_ERE(__first, __last); 3256 if (__temp == __first) 3257 { 3258 __temp = __parse_QUOTED_CHAR_ERE(__first, __last); 3259 if (__temp == __first) 3260 { 3261 if (__temp != __last && *__temp == '.') 3262 { 3263 __push_match_any(); 3264 ++__temp; 3265 } 3266 else 3267 __temp = __parse_bracket_expression(__first, __last); 3268 } 3269 } 3270 __first = __temp; 3271 return __first; 3272} 3273 3274template <class _CharT, class _Traits> 3275template <class _ForwardIterator> 3276_ForwardIterator 3277basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first, 3278 _ForwardIterator __last) 3279{ 3280 if (__first != __last) 3281 { 3282 _ForwardIterator __temp = _VSTD::next(__first); 3283 if (__temp != __last) 3284 { 3285 if (*__first == '\\' && *__temp == '(') 3286 __first = ++__temp; 3287 } 3288 } 3289 return __first; 3290} 3291 3292template <class _CharT, class _Traits> 3293template <class _ForwardIterator> 3294_ForwardIterator 3295basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first, 3296 _ForwardIterator __last) 3297{ 3298 if (__first != __last) 3299 { 3300 _ForwardIterator __temp = _VSTD::next(__first); 3301 if (__temp != __last) 3302 { 3303 if (*__first == '\\' && *__temp == ')') 3304 __first = ++__temp; 3305 } 3306 } 3307 return __first; 3308} 3309 3310template <class _CharT, class _Traits> 3311template <class _ForwardIterator> 3312_ForwardIterator 3313basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first, 3314 _ForwardIterator __last) 3315{ 3316 if (__first != __last) 3317 { 3318 _ForwardIterator __temp = _VSTD::next(__first); 3319 if (__temp != __last) 3320 { 3321 if (*__first == '\\' && *__temp == '{') 3322 __first = ++__temp; 3323 } 3324 } 3325 return __first; 3326} 3327 3328template <class _CharT, class _Traits> 3329template <class _ForwardIterator> 3330_ForwardIterator 3331basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first, 3332 _ForwardIterator __last) 3333{ 3334 if (__first != __last) 3335 { 3336 _ForwardIterator __temp = _VSTD::next(__first); 3337 if (__temp != __last) 3338 { 3339 if (*__first == '\\' && *__temp == '}') 3340 __first = ++__temp; 3341 } 3342 } 3343 return __first; 3344} 3345 3346template <class _CharT, class _Traits> 3347template <class _ForwardIterator> 3348_ForwardIterator 3349basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first, 3350 _ForwardIterator __last) 3351{ 3352 if (__first != __last) 3353 { 3354 _ForwardIterator __temp = _VSTD::next(__first); 3355 if (__temp != __last) 3356 { 3357 if (*__first == '\\') 3358 { 3359 int __val = __traits_.value(*__temp, 10); 3360 if (__val >= 1 && __val <= 9) 3361 { 3362 __push_back_ref(__val); 3363 __first = ++__temp; 3364 } 3365 } 3366 } 3367 } 3368 return __first; 3369} 3370 3371template <class _CharT, class _Traits> 3372template <class _ForwardIterator> 3373_ForwardIterator 3374basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first, 3375 _ForwardIterator __last) 3376{ 3377 if (__first != __last) 3378 { 3379 _ForwardIterator __temp = _VSTD::next(__first); 3380 if (__temp == __last && *__first == '$') 3381 return __first; 3382 // Not called inside a bracket 3383 if (*__first == '.' || *__first == '\\' || *__first == '[') 3384 return __first; 3385 __push_char(*__first); 3386 ++__first; 3387 } 3388 return __first; 3389} 3390 3391template <class _CharT, class _Traits> 3392template <class _ForwardIterator> 3393_ForwardIterator 3394basic_regex<_CharT, _Traits>::__parse_ORD_CHAR_ERE(_ForwardIterator __first, 3395 _ForwardIterator __last) 3396{ 3397 if (__first != __last) 3398 { 3399 switch (*__first) 3400 { 3401 case '^': 3402 case '.': 3403 case '[': 3404 case '$': 3405 case '(': 3406 case '|': 3407 case '*': 3408 case '+': 3409 case '?': 3410 case '{': 3411 case '\\': 3412 break; 3413 case ')': 3414 if (__open_count_ == 0) 3415 { 3416 __push_char(*__first); 3417 ++__first; 3418 } 3419 break; 3420 default: 3421 __push_char(*__first); 3422 ++__first; 3423 break; 3424 } 3425 } 3426 return __first; 3427} 3428 3429template <class _CharT, class _Traits> 3430template <class _ForwardIterator> 3431_ForwardIterator 3432basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first, 3433 _ForwardIterator __last) 3434{ 3435 if (__first != __last) 3436 { 3437 _ForwardIterator __temp = _VSTD::next(__first); 3438 if (__temp != __last) 3439 { 3440 if (*__first == '\\') 3441 { 3442 switch (*__temp) 3443 { 3444 case '^': 3445 case '.': 3446 case '*': 3447 case '[': 3448 case '$': 3449 case '\\': 3450 __push_char(*__temp); 3451 __first = ++__temp; 3452 break; 3453 } 3454 } 3455 } 3456 } 3457 return __first; 3458} 3459 3460template <class _CharT, class _Traits> 3461template <class _ForwardIterator> 3462_ForwardIterator 3463basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR_ERE(_ForwardIterator __first, 3464 _ForwardIterator __last) 3465{ 3466 if (__first != __last) 3467 { 3468 _ForwardIterator __temp = _VSTD::next(__first); 3469 if (__temp != __last) 3470 { 3471 if (*__first == '\\') 3472 { 3473 switch (*__temp) 3474 { 3475 case '^': 3476 case '.': 3477 case '*': 3478 case '[': 3479 case '$': 3480 case '\\': 3481 case '(': 3482 case ')': 3483 case '|': 3484 case '+': 3485 case '?': 3486 case '{': 3487 case '}': 3488 __push_char(*__temp); 3489 __first = ++__temp; 3490 break; 3491 default: 3492 if ((__flags_ & 0x1F0) == awk) 3493 __first = __parse_awk_escape(++__first, __last); 3494 break; 3495 } 3496 } 3497 } 3498 } 3499 return __first; 3500} 3501 3502template <class _CharT, class _Traits> 3503template <class _ForwardIterator> 3504_ForwardIterator 3505basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first, 3506 _ForwardIterator __last, 3507 __owns_one_state<_CharT>* __s, 3508 unsigned __mexp_begin, 3509 unsigned __mexp_end) 3510{ 3511 if (__first != __last) 3512 { 3513 if (*__first == '*') 3514 { 3515 __push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3516 ++__first; 3517 } 3518 else 3519 { 3520 _ForwardIterator __temp = __parse_Back_open_brace(__first, __last); 3521 if (__temp != __first) 3522 { 3523 int __min = 0; 3524 __first = __temp; 3525 __temp = __parse_DUP_COUNT(__first, __last, __min); 3526 if (__temp == __first) 3527 __throw_regex_error<regex_constants::error_badbrace>(); 3528 __first = __temp; 3529 if (__first == __last) 3530 __throw_regex_error<regex_constants::error_brace>(); 3531 if (*__first != ',') 3532 { 3533 __temp = __parse_Back_close_brace(__first, __last); 3534 if (__temp == __first) 3535 __throw_regex_error<regex_constants::error_brace>(); 3536 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end, 3537 true); 3538 __first = __temp; 3539 } 3540 else 3541 { 3542 ++__first; // consume ',' 3543 int __max = -1; 3544 __first = __parse_DUP_COUNT(__first, __last, __max); 3545 __temp = __parse_Back_close_brace(__first, __last); 3546 if (__temp == __first) 3547 __throw_regex_error<regex_constants::error_brace>(); 3548 if (__max == -1) 3549 __push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3550 else 3551 { 3552 if (__max < __min) 3553 __throw_regex_error<regex_constants::error_badbrace>(); 3554 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end, 3555 true); 3556 } 3557 __first = __temp; 3558 } 3559 } 3560 } 3561 } 3562 return __first; 3563} 3564 3565template <class _CharT, class _Traits> 3566template <class _ForwardIterator> 3567_ForwardIterator 3568basic_regex<_CharT, _Traits>::__parse_ERE_dupl_symbol(_ForwardIterator __first, 3569 _ForwardIterator __last, 3570 __owns_one_state<_CharT>* __s, 3571 unsigned __mexp_begin, 3572 unsigned __mexp_end) 3573{ 3574 if (__first != __last) 3575 { 3576 unsigned __grammar = __flags_ & 0x1F0; 3577 switch (*__first) 3578 { 3579 case '*': 3580 ++__first; 3581 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3582 { 3583 ++__first; 3584 __push_nongreedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3585 } 3586 else 3587 __push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3588 break; 3589 case '+': 3590 ++__first; 3591 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3592 { 3593 ++__first; 3594 __push_nongreedy_inf_repeat(1, __s, __mexp_begin, __mexp_end); 3595 } 3596 else 3597 __push_greedy_inf_repeat(1, __s, __mexp_begin, __mexp_end); 3598 break; 3599 case '?': 3600 ++__first; 3601 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3602 { 3603 ++__first; 3604 __push_loop(0, 1, __s, __mexp_begin, __mexp_end, false); 3605 } 3606 else 3607 __push_loop(0, 1, __s, __mexp_begin, __mexp_end); 3608 break; 3609 case '{': 3610 { 3611 int __min; 3612 _ForwardIterator __temp = __parse_DUP_COUNT(++__first, __last, __min); 3613 if (__temp == __first) 3614 __throw_regex_error<regex_constants::error_badbrace>(); 3615 __first = __temp; 3616 if (__first == __last) 3617 __throw_regex_error<regex_constants::error_brace>(); 3618 switch (*__first) 3619 { 3620 case '}': 3621 ++__first; 3622 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3623 { 3624 ++__first; 3625 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end, false); 3626 } 3627 else 3628 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end); 3629 break; 3630 case ',': 3631 ++__first; 3632 if (__first == __last) 3633 __throw_regex_error<regex_constants::error_badbrace>(); 3634 if (*__first == '}') 3635 { 3636 ++__first; 3637 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3638 { 3639 ++__first; 3640 __push_nongreedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3641 } 3642 else 3643 __push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3644 } 3645 else 3646 { 3647 int __max = -1; 3648 __temp = __parse_DUP_COUNT(__first, __last, __max); 3649 if (__temp == __first) 3650 __throw_regex_error<regex_constants::error_brace>(); 3651 __first = __temp; 3652 if (__first == __last || *__first != '}') 3653 __throw_regex_error<regex_constants::error_brace>(); 3654 ++__first; 3655 if (__max < __min) 3656 __throw_regex_error<regex_constants::error_badbrace>(); 3657 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3658 { 3659 ++__first; 3660 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end, false); 3661 } 3662 else 3663 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end); 3664 } 3665 break; 3666 default: 3667 __throw_regex_error<regex_constants::error_badbrace>(); 3668 } 3669 } 3670 break; 3671 } 3672 } 3673 return __first; 3674} 3675 3676template <class _CharT, class _Traits> 3677template <class _ForwardIterator> 3678_ForwardIterator 3679basic_regex<_CharT, _Traits>::__parse_bracket_expression(_ForwardIterator __first, 3680 _ForwardIterator __last) 3681{ 3682 if (__first != __last && *__first == '[') 3683 { 3684 ++__first; 3685 if (__first == __last) 3686 __throw_regex_error<regex_constants::error_brack>(); 3687 bool __negate = false; 3688 if (*__first == '^') 3689 { 3690 ++__first; 3691 __negate = true; 3692 } 3693 __bracket_expression<_CharT, _Traits>* __ml = __start_matching_list(__negate); 3694 // __ml owned by *this 3695 if (__first == __last) 3696 __throw_regex_error<regex_constants::error_brack>(); 3697 if ((__flags_ & 0x1F0) != ECMAScript && *__first == ']') 3698 { 3699 __ml->__add_char(']'); 3700 ++__first; 3701 } 3702 __first = __parse_follow_list(__first, __last, __ml); 3703 if (__first == __last) 3704 __throw_regex_error<regex_constants::error_brack>(); 3705 if (*__first == '-') 3706 { 3707 __ml->__add_char('-'); 3708 ++__first; 3709 } 3710 if (__first == __last || *__first != ']') 3711 __throw_regex_error<regex_constants::error_brack>(); 3712 ++__first; 3713 } 3714 return __first; 3715} 3716 3717template <class _CharT, class _Traits> 3718template <class _ForwardIterator> 3719_ForwardIterator 3720basic_regex<_CharT, _Traits>::__parse_follow_list(_ForwardIterator __first, 3721 _ForwardIterator __last, 3722 __bracket_expression<_CharT, _Traits>* __ml) 3723{ 3724 if (__first != __last) 3725 { 3726 while (true) 3727 { 3728 _ForwardIterator __temp = __parse_expression_term(__first, __last, 3729 __ml); 3730 if (__temp == __first) 3731 break; 3732 __first = __temp; 3733 } 3734 } 3735 return __first; 3736} 3737 3738template <class _CharT, class _Traits> 3739template <class _ForwardIterator> 3740_ForwardIterator 3741basic_regex<_CharT, _Traits>::__parse_expression_term(_ForwardIterator __first, 3742 _ForwardIterator __last, 3743 __bracket_expression<_CharT, _Traits>* __ml) 3744{ 3745 if (__first != __last && *__first != ']') 3746 { 3747 _ForwardIterator __temp = _VSTD::next(__first); 3748 basic_string<_CharT> __start_range; 3749 if (__temp != __last && *__first == '[') 3750 { 3751 if (*__temp == '=') 3752 return __parse_equivalence_class(++__temp, __last, __ml); 3753 else if (*__temp == ':') 3754 return __parse_character_class(++__temp, __last, __ml); 3755 else if (*__temp == '.') 3756 __first = __parse_collating_symbol(++__temp, __last, __start_range); 3757 } 3758 unsigned __grammar = __flags_ & 0x1F0; 3759 if (__start_range.empty()) 3760 { 3761 if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\') 3762 { 3763 if (__grammar == ECMAScript) 3764 __first = __parse_class_escape(++__first, __last, __start_range, __ml); 3765 else 3766 __first = __parse_awk_escape(++__first, __last, &__start_range); 3767 } 3768 else 3769 { 3770 __start_range = *__first; 3771 ++__first; 3772 } 3773 } 3774 if (__first != __last && *__first != ']') 3775 { 3776 __temp = _VSTD::next(__first); 3777 if (__temp != __last && *__first == '-' && *__temp != ']') 3778 { 3779 // parse a range 3780 basic_string<_CharT> __end_range; 3781 __first = __temp; 3782 ++__temp; 3783 if (__temp != __last && *__first == '[' && *__temp == '.') 3784 __first = __parse_collating_symbol(++__temp, __last, __end_range); 3785 else 3786 { 3787 if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\') 3788 { 3789 if (__grammar == ECMAScript) 3790 __first = __parse_class_escape(++__first, __last, 3791 __end_range, __ml); 3792 else 3793 __first = __parse_awk_escape(++__first, __last, 3794 &__end_range); 3795 } 3796 else 3797 { 3798 __end_range = *__first; 3799 ++__first; 3800 } 3801 } 3802 __ml->__add_range(_VSTD::move(__start_range), _VSTD::move(__end_range)); 3803 } 3804 else if (!__start_range.empty()) 3805 { 3806 if (__start_range.size() == 1) 3807 __ml->__add_char(__start_range[0]); 3808 else 3809 __ml->__add_digraph(__start_range[0], __start_range[1]); 3810 } 3811 } 3812 else if (!__start_range.empty()) 3813 { 3814 if (__start_range.size() == 1) 3815 __ml->__add_char(__start_range[0]); 3816 else 3817 __ml->__add_digraph(__start_range[0], __start_range[1]); 3818 } 3819 } 3820 return __first; 3821} 3822 3823template <class _CharT, class _Traits> 3824template <class _ForwardIterator> 3825_ForwardIterator 3826basic_regex<_CharT, _Traits>::__parse_class_escape(_ForwardIterator __first, 3827 _ForwardIterator __last, 3828 basic_string<_CharT>& __str, 3829 __bracket_expression<_CharT, _Traits>* __ml) 3830{ 3831 if (__first == __last) 3832 __throw_regex_error<regex_constants::error_escape>(); 3833 switch (*__first) 3834 { 3835 case 0: 3836 __str = *__first; 3837 return ++__first; 3838 case 'b': 3839 __str = _CharT(8); 3840 return ++__first; 3841 case 'd': 3842 __ml->__add_class(ctype_base::digit); 3843 return ++__first; 3844 case 'D': 3845 __ml->__add_neg_class(ctype_base::digit); 3846 return ++__first; 3847 case 's': 3848 __ml->__add_class(ctype_base::space); 3849 return ++__first; 3850 case 'S': 3851 __ml->__add_neg_class(ctype_base::space); 3852 return ++__first; 3853 case 'w': 3854 __ml->__add_class(ctype_base::alnum); 3855 __ml->__add_char('_'); 3856 return ++__first; 3857 case 'W': 3858 __ml->__add_neg_class(ctype_base::alnum); 3859 __ml->__add_neg_char('_'); 3860 return ++__first; 3861 } 3862 __first = __parse_character_escape(__first, __last, &__str); 3863 return __first; 3864} 3865 3866template <class _CharT, class _Traits> 3867template <class _ForwardIterator> 3868_ForwardIterator 3869basic_regex<_CharT, _Traits>::__parse_awk_escape(_ForwardIterator __first, 3870 _ForwardIterator __last, 3871 basic_string<_CharT>* __str) 3872{ 3873 if (__first == __last) 3874 __throw_regex_error<regex_constants::error_escape>(); 3875 switch (*__first) 3876 { 3877 case '\\': 3878 case '"': 3879 case '/': 3880 if (__str) 3881 *__str = *__first; 3882 else 3883 __push_char(*__first); 3884 return ++__first; 3885 case 'a': 3886 if (__str) 3887 *__str = _CharT(7); 3888 else 3889 __push_char(_CharT(7)); 3890 return ++__first; 3891 case 'b': 3892 if (__str) 3893 *__str = _CharT(8); 3894 else 3895 __push_char(_CharT(8)); 3896 return ++__first; 3897 case 'f': 3898 if (__str) 3899 *__str = _CharT(0xC); 3900 else 3901 __push_char(_CharT(0xC)); 3902 return ++__first; 3903 case 'n': 3904 if (__str) 3905 *__str = _CharT(0xA); 3906 else 3907 __push_char(_CharT(0xA)); 3908 return ++__first; 3909 case 'r': 3910 if (__str) 3911 *__str = _CharT(0xD); 3912 else 3913 __push_char(_CharT(0xD)); 3914 return ++__first; 3915 case 't': 3916 if (__str) 3917 *__str = _CharT(0x9); 3918 else 3919 __push_char(_CharT(0x9)); 3920 return ++__first; 3921 case 'v': 3922 if (__str) 3923 *__str = _CharT(0xB); 3924 else 3925 __push_char(_CharT(0xB)); 3926 return ++__first; 3927 } 3928 if ('0' <= *__first && *__first <= '7') 3929 { 3930 unsigned __val = *__first - '0'; 3931 if (++__first != __last && ('0' <= *__first && *__first <= '7')) 3932 { 3933 __val = 8 * __val + *__first - '0'; 3934 if (++__first != __last && ('0' <= *__first && *__first <= '7')) 3935 __val = 8 * __val + *__first++ - '0'; 3936 } 3937 if (__str) 3938 *__str = _CharT(__val); 3939 else 3940 __push_char(_CharT(__val)); 3941 } 3942 else 3943 __throw_regex_error<regex_constants::error_escape>(); 3944 return __first; 3945} 3946 3947template <class _CharT, class _Traits> 3948template <class _ForwardIterator> 3949_ForwardIterator 3950basic_regex<_CharT, _Traits>::__parse_equivalence_class(_ForwardIterator __first, 3951 _ForwardIterator __last, 3952 __bracket_expression<_CharT, _Traits>* __ml) 3953{ 3954 // Found [= 3955 // This means =] must exist 3956 value_type _Equal_close[2] = {'=', ']'}; 3957 _ForwardIterator __temp = _VSTD::search(__first, __last, _Equal_close, 3958 _Equal_close+2); 3959 if (__temp == __last) 3960 __throw_regex_error<regex_constants::error_brack>(); 3961 // [__first, __temp) contains all text in [= ... =] 3962 string_type __collate_name = 3963 __traits_.lookup_collatename(__first, __temp); 3964 if (__collate_name.empty()) 3965 __throw_regex_error<regex_constants::error_collate>(); 3966 string_type __equiv_name = 3967 __traits_.transform_primary(__collate_name.begin(), 3968 __collate_name.end()); 3969 if (!__equiv_name.empty()) 3970 __ml->__add_equivalence(__equiv_name); 3971 else 3972 { 3973 switch (__collate_name.size()) 3974 { 3975 case 1: 3976 __ml->__add_char(__collate_name[0]); 3977 break; 3978 case 2: 3979 __ml->__add_digraph(__collate_name[0], __collate_name[1]); 3980 break; 3981 default: 3982 __throw_regex_error<regex_constants::error_collate>(); 3983 } 3984 } 3985 __first = _VSTD::next(__temp, 2); 3986 return __first; 3987} 3988 3989template <class _CharT, class _Traits> 3990template <class _ForwardIterator> 3991_ForwardIterator 3992basic_regex<_CharT, _Traits>::__parse_character_class(_ForwardIterator __first, 3993 _ForwardIterator __last, 3994 __bracket_expression<_CharT, _Traits>* __ml) 3995{ 3996 // Found [: 3997 // This means :] must exist 3998 value_type _Colon_close[2] = {':', ']'}; 3999 _ForwardIterator __temp = _VSTD::search(__first, __last, _Colon_close, 4000 _Colon_close+2); 4001 if (__temp == __last) 4002 __throw_regex_error<regex_constants::error_brack>(); 4003 // [__first, __temp) contains all text in [: ... :] 4004 typedef typename _Traits::char_class_type char_class_type; 4005 char_class_type __class_type = 4006 __traits_.lookup_classname(__first, __temp, __flags_ & icase); 4007 if (__class_type == 0) 4008 __throw_regex_error<regex_constants::error_brack>(); 4009 __ml->__add_class(__class_type); 4010 __first = _VSTD::next(__temp, 2); 4011 return __first; 4012} 4013 4014template <class _CharT, class _Traits> 4015template <class _ForwardIterator> 4016_ForwardIterator 4017basic_regex<_CharT, _Traits>::__parse_collating_symbol(_ForwardIterator __first, 4018 _ForwardIterator __last, 4019 basic_string<_CharT>& __col_sym) 4020{ 4021 // Found [. 4022 // This means .] must exist 4023 value_type _Dot_close[2] = {'.', ']'}; 4024 _ForwardIterator __temp = _VSTD::search(__first, __last, _Dot_close, 4025 _Dot_close+2); 4026 if (__temp == __last) 4027 __throw_regex_error<regex_constants::error_brack>(); 4028 // [__first, __temp) contains all text in [. ... .] 4029 __col_sym = __traits_.lookup_collatename(__first, __temp); 4030 switch (__col_sym.size()) 4031 { 4032 case 1: 4033 case 2: 4034 break; 4035 default: 4036 __throw_regex_error<regex_constants::error_collate>(); 4037 } 4038 __first = _VSTD::next(__temp, 2); 4039 return __first; 4040} 4041 4042template <class _CharT, class _Traits> 4043template <class _ForwardIterator> 4044_ForwardIterator 4045basic_regex<_CharT, _Traits>::__parse_DUP_COUNT(_ForwardIterator __first, 4046 _ForwardIterator __last, 4047 int& __c) 4048{ 4049 if (__first != __last ) 4050 { 4051 int __val = __traits_.value(*__first, 10); 4052 if ( __val != -1 ) 4053 { 4054 __c = __val; 4055 for (++__first; 4056 __first != __last && ( __val = __traits_.value(*__first, 10)) != -1; 4057 ++__first) 4058 { 4059 __c *= 10; 4060 __c += __val; 4061 } 4062 } 4063 } 4064 return __first; 4065} 4066 4067template <class _CharT, class _Traits> 4068template <class _ForwardIterator> 4069_ForwardIterator 4070basic_regex<_CharT, _Traits>::__parse_ecma_exp(_ForwardIterator __first, 4071 _ForwardIterator __last) 4072{ 4073 __owns_one_state<_CharT>* __sa = __end_; 4074 _ForwardIterator __temp = __parse_alternative(__first, __last); 4075 if (__temp == __first) 4076 __push_empty(); 4077 __first = __temp; 4078 while (__first != __last && *__first == '|') 4079 { 4080 __owns_one_state<_CharT>* __sb = __end_; 4081 __temp = __parse_alternative(++__first, __last); 4082 if (__temp == __first) 4083 __push_empty(); 4084 __push_alternation(__sa, __sb); 4085 __first = __temp; 4086 } 4087 return __first; 4088} 4089 4090template <class _CharT, class _Traits> 4091template <class _ForwardIterator> 4092_ForwardIterator 4093basic_regex<_CharT, _Traits>::__parse_alternative(_ForwardIterator __first, 4094 _ForwardIterator __last) 4095{ 4096 while (true) 4097 { 4098 _ForwardIterator __temp = __parse_term(__first, __last); 4099 if (__temp == __first) 4100 break; 4101 __first = __temp; 4102 } 4103 return __first; 4104} 4105 4106template <class _CharT, class _Traits> 4107template <class _ForwardIterator> 4108_ForwardIterator 4109basic_regex<_CharT, _Traits>::__parse_term(_ForwardIterator __first, 4110 _ForwardIterator __last) 4111{ 4112 _ForwardIterator __temp = __parse_assertion(__first, __last); 4113 if (__temp == __first) 4114 { 4115 __owns_one_state<_CharT>* __e = __end_; 4116 unsigned __mexp_begin = __marked_count_; 4117 __temp = __parse_atom(__first, __last); 4118 if (__temp != __first) 4119 __first = __parse_ERE_dupl_symbol(__temp, __last, __e, 4120 __mexp_begin+1, __marked_count_+1); 4121 } 4122 else 4123 __first = __temp; 4124 return __first; 4125} 4126 4127template <class _CharT, class _Traits> 4128template <class _ForwardIterator> 4129_ForwardIterator 4130basic_regex<_CharT, _Traits>::__parse_assertion(_ForwardIterator __first, 4131 _ForwardIterator __last) 4132{ 4133 if (__first != __last) 4134 { 4135 switch (*__first) 4136 { 4137 case '^': 4138 __push_l_anchor(); 4139 ++__first; 4140 break; 4141 case '$': 4142 __push_r_anchor(); 4143 ++__first; 4144 break; 4145 case '\\': 4146 { 4147 _ForwardIterator __temp = _VSTD::next(__first); 4148 if (__temp != __last) 4149 { 4150 if (*__temp == 'b') 4151 { 4152 __push_word_boundary(false); 4153 __first = ++__temp; 4154 } 4155 else if (*__temp == 'B') 4156 { 4157 __push_word_boundary(true); 4158 __first = ++__temp; 4159 } 4160 } 4161 } 4162 break; 4163 case '(': 4164 { 4165 _ForwardIterator __temp = _VSTD::next(__first); 4166 if (__temp != __last && *__temp == '?') 4167 { 4168 if (++__temp != __last) 4169 { 4170 switch (*__temp) 4171 { 4172 case '=': 4173 { 4174 basic_regex __exp; 4175 __exp.__flags_ = __flags_; 4176 __temp = __exp.__parse(++__temp, __last); 4177 unsigned __mexp = __exp.__marked_count_; 4178 __push_lookahead(_VSTD::move(__exp), false, __marked_count_); 4179 __marked_count_ += __mexp; 4180 if (__temp == __last || *__temp != ')') 4181 __throw_regex_error<regex_constants::error_paren>(); 4182 __first = ++__temp; 4183 } 4184 break; 4185 case '!': 4186 { 4187 basic_regex __exp; 4188 __exp.__flags_ = __flags_; 4189 __temp = __exp.__parse(++__temp, __last); 4190 unsigned __mexp = __exp.__marked_count_; 4191 __push_lookahead(_VSTD::move(__exp), true, __marked_count_); 4192 __marked_count_ += __mexp; 4193 if (__temp == __last || *__temp != ')') 4194 __throw_regex_error<regex_constants::error_paren>(); 4195 __first = ++__temp; 4196 } 4197 break; 4198 } 4199 } 4200 } 4201 } 4202 break; 4203 } 4204 } 4205 return __first; 4206} 4207 4208template <class _CharT, class _Traits> 4209template <class _ForwardIterator> 4210_ForwardIterator 4211basic_regex<_CharT, _Traits>::__parse_atom(_ForwardIterator __first, 4212 _ForwardIterator __last) 4213{ 4214 if (__first != __last) 4215 { 4216 switch (*__first) 4217 { 4218 case '.': 4219 __push_match_any_but_newline(); 4220 ++__first; 4221 break; 4222 case '\\': 4223 __first = __parse_atom_escape(__first, __last); 4224 break; 4225 case '[': 4226 __first = __parse_bracket_expression(__first, __last); 4227 break; 4228 case '(': 4229 { 4230 ++__first; 4231 if (__first == __last) 4232 __throw_regex_error<regex_constants::error_paren>(); 4233 _ForwardIterator __temp = _VSTD::next(__first); 4234 if (__temp != __last && *__first == '?' && *__temp == ':') 4235 { 4236 ++__open_count_; 4237 __first = __parse_ecma_exp(++__temp, __last); 4238 if (__first == __last || *__first != ')') 4239 __throw_regex_error<regex_constants::error_paren>(); 4240 --__open_count_; 4241 ++__first; 4242 } 4243 else 4244 { 4245 __push_begin_marked_subexpression(); 4246 unsigned __temp_count = __marked_count_; 4247 ++__open_count_; 4248 __first = __parse_ecma_exp(__first, __last); 4249 if (__first == __last || *__first != ')') 4250 __throw_regex_error<regex_constants::error_paren>(); 4251 __push_end_marked_subexpression(__temp_count); 4252 --__open_count_; 4253 ++__first; 4254 } 4255 } 4256 break; 4257 case '*': 4258 case '+': 4259 case '?': 4260 case '{': 4261 __throw_regex_error<regex_constants::error_badrepeat>(); 4262 break; 4263 default: 4264 __first = __parse_pattern_character(__first, __last); 4265 break; 4266 } 4267 } 4268 return __first; 4269} 4270 4271template <class _CharT, class _Traits> 4272template <class _ForwardIterator> 4273_ForwardIterator 4274basic_regex<_CharT, _Traits>::__parse_atom_escape(_ForwardIterator __first, 4275 _ForwardIterator __last) 4276{ 4277 if (__first != __last && *__first == '\\') 4278 { 4279 _ForwardIterator __t1 = _VSTD::next(__first); 4280 if (__t1 == __last) 4281 __throw_regex_error<regex_constants::error_escape>(); 4282 4283 _ForwardIterator __t2 = __parse_decimal_escape(__t1, __last); 4284 if (__t2 != __t1) 4285 __first = __t2; 4286 else 4287 { 4288 __t2 = __parse_character_class_escape(__t1, __last); 4289 if (__t2 != __t1) 4290 __first = __t2; 4291 else 4292 { 4293 __t2 = __parse_character_escape(__t1, __last); 4294 if (__t2 != __t1) 4295 __first = __t2; 4296 } 4297 } 4298 } 4299 return __first; 4300} 4301 4302template <class _CharT, class _Traits> 4303template <class _ForwardIterator> 4304_ForwardIterator 4305basic_regex<_CharT, _Traits>::__parse_decimal_escape(_ForwardIterator __first, 4306 _ForwardIterator __last) 4307{ 4308 if (__first != __last) 4309 { 4310 if (*__first == '0') 4311 { 4312 __push_char(_CharT()); 4313 ++__first; 4314 } 4315 else if ('1' <= *__first && *__first <= '9') 4316 { 4317 unsigned __v = *__first - '0'; 4318 for (++__first; 4319 __first != __last && '0' <= *__first && *__first <= '9'; ++__first) 4320 __v = 10 * __v + *__first - '0'; 4321 if (__v > mark_count()) 4322 __throw_regex_error<regex_constants::error_backref>(); 4323 __push_back_ref(__v); 4324 } 4325 } 4326 return __first; 4327} 4328 4329template <class _CharT, class _Traits> 4330template <class _ForwardIterator> 4331_ForwardIterator 4332basic_regex<_CharT, _Traits>::__parse_character_class_escape(_ForwardIterator __first, 4333 _ForwardIterator __last) 4334{ 4335 if (__first != __last) 4336 { 4337 __bracket_expression<_CharT, _Traits>* __ml; 4338 switch (*__first) 4339 { 4340 case 'd': 4341 __ml = __start_matching_list(false); 4342 __ml->__add_class(ctype_base::digit); 4343 ++__first; 4344 break; 4345 case 'D': 4346 __ml = __start_matching_list(true); 4347 __ml->__add_class(ctype_base::digit); 4348 ++__first; 4349 break; 4350 case 's': 4351 __ml = __start_matching_list(false); 4352 __ml->__add_class(ctype_base::space); 4353 ++__first; 4354 break; 4355 case 'S': 4356 __ml = __start_matching_list(true); 4357 __ml->__add_class(ctype_base::space); 4358 ++__first; 4359 break; 4360 case 'w': 4361 __ml = __start_matching_list(false); 4362 __ml->__add_class(ctype_base::alnum); 4363 __ml->__add_char('_'); 4364 ++__first; 4365 break; 4366 case 'W': 4367 __ml = __start_matching_list(true); 4368 __ml->__add_class(ctype_base::alnum); 4369 __ml->__add_char('_'); 4370 ++__first; 4371 break; 4372 } 4373 } 4374 return __first; 4375} 4376 4377template <class _CharT, class _Traits> 4378template <class _ForwardIterator> 4379_ForwardIterator 4380basic_regex<_CharT, _Traits>::__parse_character_escape(_ForwardIterator __first, 4381 _ForwardIterator __last, 4382 basic_string<_CharT>* __str) 4383{ 4384 if (__first != __last) 4385 { 4386 _ForwardIterator __t; 4387 unsigned __sum = 0; 4388 int __hd; 4389 switch (*__first) 4390 { 4391 case 'f': 4392 if (__str) 4393 *__str = _CharT(0xC); 4394 else 4395 __push_char(_CharT(0xC)); 4396 ++__first; 4397 break; 4398 case 'n': 4399 if (__str) 4400 *__str = _CharT(0xA); 4401 else 4402 __push_char(_CharT(0xA)); 4403 ++__first; 4404 break; 4405 case 'r': 4406 if (__str) 4407 *__str = _CharT(0xD); 4408 else 4409 __push_char(_CharT(0xD)); 4410 ++__first; 4411 break; 4412 case 't': 4413 if (__str) 4414 *__str = _CharT(0x9); 4415 else 4416 __push_char(_CharT(0x9)); 4417 ++__first; 4418 break; 4419 case 'v': 4420 if (__str) 4421 *__str = _CharT(0xB); 4422 else 4423 __push_char(_CharT(0xB)); 4424 ++__first; 4425 break; 4426 case 'c': 4427 if ((__t = _VSTD::next(__first)) != __last) 4428 { 4429 if (('A' <= *__t && *__t <= 'Z') || 4430 ('a' <= *__t && *__t <= 'z')) 4431 { 4432 if (__str) 4433 *__str = _CharT(*__t % 32); 4434 else 4435 __push_char(_CharT(*__t % 32)); 4436 __first = ++__t; 4437 } 4438 else 4439 __throw_regex_error<regex_constants::error_escape>(); 4440 } 4441 else 4442 __throw_regex_error<regex_constants::error_escape>(); 4443 break; 4444 case 'u': 4445 ++__first; 4446 if (__first == __last) 4447 __throw_regex_error<regex_constants::error_escape>(); 4448 __hd = __traits_.value(*__first, 16); 4449 if (__hd == -1) 4450 __throw_regex_error<regex_constants::error_escape>(); 4451 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4452 ++__first; 4453 if (__first == __last) 4454 __throw_regex_error<regex_constants::error_escape>(); 4455 __hd = __traits_.value(*__first, 16); 4456 if (__hd == -1) 4457 __throw_regex_error<regex_constants::error_escape>(); 4458 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4459 // drop through 4460 case 'x': 4461 ++__first; 4462 if (__first == __last) 4463 __throw_regex_error<regex_constants::error_escape>(); 4464 __hd = __traits_.value(*__first, 16); 4465 if (__hd == -1) 4466 __throw_regex_error<regex_constants::error_escape>(); 4467 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4468 ++__first; 4469 if (__first == __last) 4470 __throw_regex_error<regex_constants::error_escape>(); 4471 __hd = __traits_.value(*__first, 16); 4472 if (__hd == -1) 4473 __throw_regex_error<regex_constants::error_escape>(); 4474 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4475 if (__str) 4476 *__str = _CharT(__sum); 4477 else 4478 __push_char(_CharT(__sum)); 4479 ++__first; 4480 break; 4481 case '0': 4482 if (__str) 4483 *__str = _CharT(0); 4484 else 4485 __push_char(_CharT(0)); 4486 ++__first; 4487 break; 4488 default: 4489 if (*__first != '_' && !__traits_.isctype(*__first, ctype_base::alnum)) 4490 { 4491 if (__str) 4492 *__str = *__first; 4493 else 4494 __push_char(*__first); 4495 ++__first; 4496 } 4497 else 4498 __throw_regex_error<regex_constants::error_escape>(); 4499 break; 4500 } 4501 } 4502 return __first; 4503} 4504 4505template <class _CharT, class _Traits> 4506template <class _ForwardIterator> 4507_ForwardIterator 4508basic_regex<_CharT, _Traits>::__parse_pattern_character(_ForwardIterator __first, 4509 _ForwardIterator __last) 4510{ 4511 if (__first != __last) 4512 { 4513 switch (*__first) 4514 { 4515 case '^': 4516 case '$': 4517 case '\\': 4518 case '.': 4519 case '*': 4520 case '+': 4521 case '?': 4522 case '(': 4523 case ')': 4524 case '[': 4525 case ']': 4526 case '{': 4527 case '}': 4528 case '|': 4529 break; 4530 default: 4531 __push_char(*__first); 4532 ++__first; 4533 break; 4534 } 4535 } 4536 return __first; 4537} 4538 4539template <class _CharT, class _Traits> 4540template <class _ForwardIterator> 4541_ForwardIterator 4542basic_regex<_CharT, _Traits>::__parse_grep(_ForwardIterator __first, 4543 _ForwardIterator __last) 4544{ 4545 __owns_one_state<_CharT>* __sa = __end_; 4546 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4547 if (__t1 != __first) 4548 __parse_basic_reg_exp(__first, __t1); 4549 else 4550 __push_empty(); 4551 __first = __t1; 4552 if (__first != __last) 4553 ++__first; 4554 while (__first != __last) 4555 { 4556 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4557 __owns_one_state<_CharT>* __sb = __end_; 4558 if (__t1 != __first) 4559 __parse_basic_reg_exp(__first, __t1); 4560 else 4561 __push_empty(); 4562 __push_alternation(__sa, __sb); 4563 __first = __t1; 4564 if (__first != __last) 4565 ++__first; 4566 } 4567 return __first; 4568} 4569 4570template <class _CharT, class _Traits> 4571template <class _ForwardIterator> 4572_ForwardIterator 4573basic_regex<_CharT, _Traits>::__parse_egrep(_ForwardIterator __first, 4574 _ForwardIterator __last) 4575{ 4576 __owns_one_state<_CharT>* __sa = __end_; 4577 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4578 if (__t1 != __first) 4579 __parse_extended_reg_exp(__first, __t1); 4580 else 4581 __push_empty(); 4582 __first = __t1; 4583 if (__first != __last) 4584 ++__first; 4585 while (__first != __last) 4586 { 4587 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4588 __owns_one_state<_CharT>* __sb = __end_; 4589 if (__t1 != __first) 4590 __parse_extended_reg_exp(__first, __t1); 4591 else 4592 __push_empty(); 4593 __push_alternation(__sa, __sb); 4594 __first = __t1; 4595 if (__first != __last) 4596 ++__first; 4597 } 4598 return __first; 4599} 4600 4601template <class _CharT, class _Traits> 4602void 4603basic_regex<_CharT, _Traits>::__push_loop(size_t __min, size_t __max, 4604 __owns_one_state<_CharT>* __s, size_t __mexp_begin, size_t __mexp_end, 4605 bool __greedy) 4606{ 4607 unique_ptr<__empty_state<_CharT> > __e1(new __empty_state<_CharT>(__end_->first())); 4608 __end_->first() = nullptr; 4609 unique_ptr<__loop<_CharT> > __e2(new __loop<_CharT>(__loop_count_, 4610 __s->first(), __e1.get(), __mexp_begin, __mexp_end, __greedy, 4611 __min, __max)); 4612 __s->first() = nullptr; 4613 __e1.release(); 4614 __end_->first() = new __repeat_one_loop<_CharT>(__e2.get()); 4615 __end_ = __e2->second(); 4616 __s->first() = __e2.release(); 4617 ++__loop_count_; 4618} 4619 4620template <class _CharT, class _Traits> 4621void 4622basic_regex<_CharT, _Traits>::__push_char(value_type __c) 4623{ 4624 if (flags() & icase) 4625 __end_->first() = new __match_char_icase<_CharT, _Traits> 4626 (__traits_, __c, __end_->first()); 4627 else if (flags() & collate) 4628 __end_->first() = new __match_char_collate<_CharT, _Traits> 4629 (__traits_, __c, __end_->first()); 4630 else 4631 __end_->first() = new __match_char<_CharT>(__c, __end_->first()); 4632 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4633} 4634 4635template <class _CharT, class _Traits> 4636void 4637basic_regex<_CharT, _Traits>::__push_begin_marked_subexpression() 4638{ 4639 if (!(__flags_ & nosubs)) 4640 { 4641 __end_->first() = 4642 new __begin_marked_subexpression<_CharT>(++__marked_count_, 4643 __end_->first()); 4644 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4645 } 4646} 4647 4648template <class _CharT, class _Traits> 4649void 4650basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub) 4651{ 4652 if (!(__flags_ & nosubs)) 4653 { 4654 __end_->first() = 4655 new __end_marked_subexpression<_CharT>(__sub, __end_->first()); 4656 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4657 } 4658} 4659 4660template <class _CharT, class _Traits> 4661void 4662basic_regex<_CharT, _Traits>::__push_l_anchor() 4663{ 4664 __end_->first() = new __l_anchor<_CharT>(__end_->first()); 4665 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4666} 4667 4668template <class _CharT, class _Traits> 4669void 4670basic_regex<_CharT, _Traits>::__push_r_anchor() 4671{ 4672 __end_->first() = new __r_anchor<_CharT>(__end_->first()); 4673 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4674} 4675 4676template <class _CharT, class _Traits> 4677void 4678basic_regex<_CharT, _Traits>::__push_match_any() 4679{ 4680 __end_->first() = new __match_any<_CharT>(__end_->first()); 4681 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4682} 4683 4684template <class _CharT, class _Traits> 4685void 4686basic_regex<_CharT, _Traits>::__push_match_any_but_newline() 4687{ 4688 __end_->first() = new __match_any_but_newline<_CharT>(__end_->first()); 4689 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4690} 4691 4692template <class _CharT, class _Traits> 4693void 4694basic_regex<_CharT, _Traits>::__push_empty() 4695{ 4696 __end_->first() = new __empty_state<_CharT>(__end_->first()); 4697 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4698} 4699 4700template <class _CharT, class _Traits> 4701void 4702basic_regex<_CharT, _Traits>::__push_word_boundary(bool __invert) 4703{ 4704 __end_->first() = new __word_boundary<_CharT, _Traits>(__traits_, __invert, 4705 __end_->first()); 4706 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4707} 4708 4709template <class _CharT, class _Traits> 4710void 4711basic_regex<_CharT, _Traits>::__push_back_ref(int __i) 4712{ 4713 if (flags() & icase) 4714 __end_->first() = new __back_ref_icase<_CharT, _Traits> 4715 (__traits_, __i, __end_->first()); 4716 else if (flags() & collate) 4717 __end_->first() = new __back_ref_collate<_CharT, _Traits> 4718 (__traits_, __i, __end_->first()); 4719 else 4720 __end_->first() = new __back_ref<_CharT>(__i, __end_->first()); 4721 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4722} 4723 4724template <class _CharT, class _Traits> 4725void 4726basic_regex<_CharT, _Traits>::__push_alternation(__owns_one_state<_CharT>* __sa, 4727 __owns_one_state<_CharT>* __ea) 4728{ 4729 __sa->first() = new __alternate<_CharT>( 4730 static_cast<__owns_one_state<_CharT>*>(__sa->first()), 4731 static_cast<__owns_one_state<_CharT>*>(__ea->first())); 4732 __ea->first() = nullptr; 4733 __ea->first() = new __empty_state<_CharT>(__end_->first()); 4734 __end_->first() = nullptr; 4735 __end_->first() = new __empty_non_own_state<_CharT>(__ea->first()); 4736 __end_ = static_cast<__owns_one_state<_CharT>*>(__ea->first()); 4737} 4738 4739template <class _CharT, class _Traits> 4740__bracket_expression<_CharT, _Traits>* 4741basic_regex<_CharT, _Traits>::__start_matching_list(bool __negate) 4742{ 4743 __bracket_expression<_CharT, _Traits>* __r = 4744 new __bracket_expression<_CharT, _Traits>(__traits_, __end_->first(), 4745 __negate, __flags_ & icase, 4746 __flags_ & collate); 4747 __end_->first() = __r; 4748 __end_ = __r; 4749 return __r; 4750} 4751 4752template <class _CharT, class _Traits> 4753void 4754basic_regex<_CharT, _Traits>::__push_lookahead(const basic_regex& __exp, 4755 bool __invert, 4756 unsigned __mexp) 4757{ 4758 __end_->first() = new __lookahead<_CharT, _Traits>(__exp, __invert, 4759 __end_->first(), __mexp); 4760 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4761} 4762 4763typedef basic_regex<char> regex; 4764typedef basic_regex<wchar_t> wregex; 4765 4766// sub_match 4767 4768template <class _BidirectionalIterator> 4769class _LIBCPP_TEMPLATE_VIS sub_match 4770 : public pair<_BidirectionalIterator, _BidirectionalIterator> 4771{ 4772public: 4773 typedef _BidirectionalIterator iterator; 4774 typedef typename iterator_traits<iterator>::value_type value_type; 4775 typedef typename iterator_traits<iterator>::difference_type difference_type; 4776 typedef basic_string<value_type> string_type; 4777 4778 bool matched; 4779 4780 _LIBCPP_INLINE_VISIBILITY 4781 _LIBCPP_CONSTEXPR sub_match() : matched() {} 4782 4783 _LIBCPP_INLINE_VISIBILITY 4784 difference_type length() const 4785 {return matched ? _VSTD::distance(this->first, this->second) : 0;} 4786 _LIBCPP_INLINE_VISIBILITY 4787 string_type str() const 4788 {return matched ? string_type(this->first, this->second) : string_type();} 4789 _LIBCPP_INLINE_VISIBILITY 4790 operator string_type() const 4791 {return str();} 4792 4793 _LIBCPP_INLINE_VISIBILITY 4794 int compare(const sub_match& __s) const 4795 {return str().compare(__s.str());} 4796 _LIBCPP_INLINE_VISIBILITY 4797 int compare(const string_type& __s) const 4798 {return str().compare(__s);} 4799 _LIBCPP_INLINE_VISIBILITY 4800 int compare(const value_type* __s) const 4801 {return str().compare(__s);} 4802}; 4803 4804typedef sub_match<const char*> csub_match; 4805typedef sub_match<const wchar_t*> wcsub_match; 4806typedef sub_match<string::const_iterator> ssub_match; 4807typedef sub_match<wstring::const_iterator> wssub_match; 4808 4809template <class _BiIter> 4810inline _LIBCPP_INLINE_VISIBILITY 4811bool 4812operator==(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4813{ 4814 return __x.compare(__y) == 0; 4815} 4816 4817template <class _BiIter> 4818inline _LIBCPP_INLINE_VISIBILITY 4819bool 4820operator!=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4821{ 4822 return !(__x == __y); 4823} 4824 4825template <class _BiIter> 4826inline _LIBCPP_INLINE_VISIBILITY 4827bool 4828operator<(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4829{ 4830 return __x.compare(__y) < 0; 4831} 4832 4833template <class _BiIter> 4834inline _LIBCPP_INLINE_VISIBILITY 4835bool 4836operator<=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4837{ 4838 return !(__y < __x); 4839} 4840 4841template <class _BiIter> 4842inline _LIBCPP_INLINE_VISIBILITY 4843bool 4844operator>=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4845{ 4846 return !(__x < __y); 4847} 4848 4849template <class _BiIter> 4850inline _LIBCPP_INLINE_VISIBILITY 4851bool 4852operator>(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4853{ 4854 return __y < __x; 4855} 4856 4857template <class _BiIter, class _ST, class _SA> 4858inline _LIBCPP_INLINE_VISIBILITY 4859bool 4860operator==(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4861 const sub_match<_BiIter>& __y) 4862{ 4863 return __y.compare(typename sub_match<_BiIter>::string_type(__x.data(), __x.size())) == 0; 4864} 4865 4866template <class _BiIter, class _ST, class _SA> 4867inline _LIBCPP_INLINE_VISIBILITY 4868bool 4869operator!=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4870 const sub_match<_BiIter>& __y) 4871{ 4872 return !(__x == __y); 4873} 4874 4875template <class _BiIter, class _ST, class _SA> 4876inline _LIBCPP_INLINE_VISIBILITY 4877bool 4878operator<(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4879 const sub_match<_BiIter>& __y) 4880{ 4881 return __y.compare(typename sub_match<_BiIter>::string_type(__x.data(), __x.size())) > 0; 4882} 4883 4884template <class _BiIter, class _ST, class _SA> 4885inline _LIBCPP_INLINE_VISIBILITY 4886bool 4887operator>(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4888 const sub_match<_BiIter>& __y) 4889{ 4890 return __y < __x; 4891} 4892 4893template <class _BiIter, class _ST, class _SA> 4894inline _LIBCPP_INLINE_VISIBILITY 4895bool operator>=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4896 const sub_match<_BiIter>& __y) 4897{ 4898 return !(__x < __y); 4899} 4900 4901template <class _BiIter, class _ST, class _SA> 4902inline _LIBCPP_INLINE_VISIBILITY 4903bool 4904operator<=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4905 const sub_match<_BiIter>& __y) 4906{ 4907 return !(__y < __x); 4908} 4909 4910template <class _BiIter, class _ST, class _SA> 4911inline _LIBCPP_INLINE_VISIBILITY 4912bool 4913operator==(const sub_match<_BiIter>& __x, 4914 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4915{ 4916 return __x.compare(typename sub_match<_BiIter>::string_type(__y.data(), __y.size())) == 0; 4917} 4918 4919template <class _BiIter, class _ST, class _SA> 4920inline _LIBCPP_INLINE_VISIBILITY 4921bool 4922operator!=(const sub_match<_BiIter>& __x, 4923 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4924{ 4925 return !(__x == __y); 4926} 4927 4928template <class _BiIter, class _ST, class _SA> 4929inline _LIBCPP_INLINE_VISIBILITY 4930bool 4931operator<(const sub_match<_BiIter>& __x, 4932 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4933{ 4934 return __x.compare(typename sub_match<_BiIter>::string_type(__y.data(), __y.size())) < 0; 4935} 4936 4937template <class _BiIter, class _ST, class _SA> 4938inline _LIBCPP_INLINE_VISIBILITY 4939bool operator>(const sub_match<_BiIter>& __x, 4940 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4941{ 4942 return __y < __x; 4943} 4944 4945template <class _BiIter, class _ST, class _SA> 4946inline _LIBCPP_INLINE_VISIBILITY 4947bool 4948operator>=(const sub_match<_BiIter>& __x, 4949 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4950{ 4951 return !(__x < __y); 4952} 4953 4954template <class _BiIter, class _ST, class _SA> 4955inline _LIBCPP_INLINE_VISIBILITY 4956bool 4957operator<=(const sub_match<_BiIter>& __x, 4958 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4959{ 4960 return !(__y < __x); 4961} 4962 4963template <class _BiIter> 4964inline _LIBCPP_INLINE_VISIBILITY 4965bool 4966operator==(typename iterator_traits<_BiIter>::value_type const* __x, 4967 const sub_match<_BiIter>& __y) 4968{ 4969 return __y.compare(__x) == 0; 4970} 4971 4972template <class _BiIter> 4973inline _LIBCPP_INLINE_VISIBILITY 4974bool 4975operator!=(typename iterator_traits<_BiIter>::value_type const* __x, 4976 const sub_match<_BiIter>& __y) 4977{ 4978 return !(__x == __y); 4979} 4980 4981template <class _BiIter> 4982inline _LIBCPP_INLINE_VISIBILITY 4983bool 4984operator<(typename iterator_traits<_BiIter>::value_type const* __x, 4985 const sub_match<_BiIter>& __y) 4986{ 4987 return __y.compare(__x) > 0; 4988} 4989 4990template <class _BiIter> 4991inline _LIBCPP_INLINE_VISIBILITY 4992bool 4993operator>(typename iterator_traits<_BiIter>::value_type const* __x, 4994 const sub_match<_BiIter>& __y) 4995{ 4996 return __y < __x; 4997} 4998 4999template <class _BiIter> 5000inline _LIBCPP_INLINE_VISIBILITY 5001bool 5002operator>=(typename iterator_traits<_BiIter>::value_type const* __x, 5003 const sub_match<_BiIter>& __y) 5004{ 5005 return !(__x < __y); 5006} 5007 5008template <class _BiIter> 5009inline _LIBCPP_INLINE_VISIBILITY 5010bool 5011operator<=(typename iterator_traits<_BiIter>::value_type const* __x, 5012 const sub_match<_BiIter>& __y) 5013{ 5014 return !(__y < __x); 5015} 5016 5017template <class _BiIter> 5018inline _LIBCPP_INLINE_VISIBILITY 5019bool 5020operator==(const sub_match<_BiIter>& __x, 5021 typename iterator_traits<_BiIter>::value_type const* __y) 5022{ 5023 return __x.compare(__y) == 0; 5024} 5025 5026template <class _BiIter> 5027inline _LIBCPP_INLINE_VISIBILITY 5028bool 5029operator!=(const sub_match<_BiIter>& __x, 5030 typename iterator_traits<_BiIter>::value_type const* __y) 5031{ 5032 return !(__x == __y); 5033} 5034 5035template <class _BiIter> 5036inline _LIBCPP_INLINE_VISIBILITY 5037bool 5038operator<(const sub_match<_BiIter>& __x, 5039 typename iterator_traits<_BiIter>::value_type const* __y) 5040{ 5041 return __x.compare(__y) < 0; 5042} 5043 5044template <class _BiIter> 5045inline _LIBCPP_INLINE_VISIBILITY 5046bool 5047operator>(const sub_match<_BiIter>& __x, 5048 typename iterator_traits<_BiIter>::value_type const* __y) 5049{ 5050 return __y < __x; 5051} 5052 5053template <class _BiIter> 5054inline _LIBCPP_INLINE_VISIBILITY 5055bool 5056operator>=(const sub_match<_BiIter>& __x, 5057 typename iterator_traits<_BiIter>::value_type const* __y) 5058{ 5059 return !(__x < __y); 5060} 5061 5062template <class _BiIter> 5063inline _LIBCPP_INLINE_VISIBILITY 5064bool 5065operator<=(const sub_match<_BiIter>& __x, 5066 typename iterator_traits<_BiIter>::value_type const* __y) 5067{ 5068 return !(__y < __x); 5069} 5070 5071template <class _BiIter> 5072inline _LIBCPP_INLINE_VISIBILITY 5073bool 5074operator==(typename iterator_traits<_BiIter>::value_type const& __x, 5075 const sub_match<_BiIter>& __y) 5076{ 5077 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5078 return __y.compare(string_type(1, __x)) == 0; 5079} 5080 5081template <class _BiIter> 5082inline _LIBCPP_INLINE_VISIBILITY 5083bool 5084operator!=(typename iterator_traits<_BiIter>::value_type const& __x, 5085 const sub_match<_BiIter>& __y) 5086{ 5087 return !(__x == __y); 5088} 5089 5090template <class _BiIter> 5091inline _LIBCPP_INLINE_VISIBILITY 5092bool 5093operator<(typename iterator_traits<_BiIter>::value_type const& __x, 5094 const sub_match<_BiIter>& __y) 5095{ 5096 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5097 return __y.compare(string_type(1, __x)) > 0; 5098} 5099 5100template <class _BiIter> 5101inline _LIBCPP_INLINE_VISIBILITY 5102bool 5103operator>(typename iterator_traits<_BiIter>::value_type const& __x, 5104 const sub_match<_BiIter>& __y) 5105{ 5106 return __y < __x; 5107} 5108 5109template <class _BiIter> 5110inline _LIBCPP_INLINE_VISIBILITY 5111bool 5112operator>=(typename iterator_traits<_BiIter>::value_type const& __x, 5113 const sub_match<_BiIter>& __y) 5114{ 5115 return !(__x < __y); 5116} 5117 5118template <class _BiIter> 5119inline _LIBCPP_INLINE_VISIBILITY 5120bool 5121operator<=(typename iterator_traits<_BiIter>::value_type const& __x, 5122 const sub_match<_BiIter>& __y) 5123{ 5124 return !(__y < __x); 5125} 5126 5127template <class _BiIter> 5128inline _LIBCPP_INLINE_VISIBILITY 5129bool 5130operator==(const sub_match<_BiIter>& __x, 5131 typename iterator_traits<_BiIter>::value_type const& __y) 5132{ 5133 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5134 return __x.compare(string_type(1, __y)) == 0; 5135} 5136 5137template <class _BiIter> 5138inline _LIBCPP_INLINE_VISIBILITY 5139bool 5140operator!=(const sub_match<_BiIter>& __x, 5141 typename iterator_traits<_BiIter>::value_type const& __y) 5142{ 5143 return !(__x == __y); 5144} 5145 5146template <class _BiIter> 5147inline _LIBCPP_INLINE_VISIBILITY 5148bool 5149operator<(const sub_match<_BiIter>& __x, 5150 typename iterator_traits<_BiIter>::value_type const& __y) 5151{ 5152 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5153 return __x.compare(string_type(1, __y)) < 0; 5154} 5155 5156template <class _BiIter> 5157inline _LIBCPP_INLINE_VISIBILITY 5158bool 5159operator>(const sub_match<_BiIter>& __x, 5160 typename iterator_traits<_BiIter>::value_type const& __y) 5161{ 5162 return __y < __x; 5163} 5164 5165template <class _BiIter> 5166inline _LIBCPP_INLINE_VISIBILITY 5167bool 5168operator>=(const sub_match<_BiIter>& __x, 5169 typename iterator_traits<_BiIter>::value_type const& __y) 5170{ 5171 return !(__x < __y); 5172} 5173 5174template <class _BiIter> 5175inline _LIBCPP_INLINE_VISIBILITY 5176bool 5177operator<=(const sub_match<_BiIter>& __x, 5178 typename iterator_traits<_BiIter>::value_type const& __y) 5179{ 5180 return !(__y < __x); 5181} 5182 5183template <class _CharT, class _ST, class _BiIter> 5184inline _LIBCPP_INLINE_VISIBILITY 5185basic_ostream<_CharT, _ST>& 5186operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m) 5187{ 5188 return __os << __m.str(); 5189} 5190 5191template <class _BidirectionalIterator, class _Allocator> 5192class _LIBCPP_TEMPLATE_VIS match_results 5193{ 5194public: 5195 typedef _Allocator allocator_type; 5196 typedef sub_match<_BidirectionalIterator> value_type; 5197private: 5198 typedef vector<value_type, allocator_type> __container_type; 5199 5200 __container_type __matches_; 5201 value_type __unmatched_; 5202 value_type __prefix_; 5203 value_type __suffix_; 5204 bool __ready_; 5205public: 5206 _BidirectionalIterator __position_start_; 5207 typedef const value_type& const_reference; 5208 typedef value_type& reference; 5209 typedef typename __container_type::const_iterator const_iterator; 5210 typedef const_iterator iterator; 5211 typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type; 5212 typedef typename allocator_traits<allocator_type>::size_type size_type; 5213 typedef typename iterator_traits<_BidirectionalIterator>::value_type char_type; 5214 typedef basic_string<char_type> string_type; 5215 5216 // construct/copy/destroy: 5217 explicit match_results(const allocator_type& __a = allocator_type()); 5218// match_results(const match_results&) = default; 5219// match_results& operator=(const match_results&) = default; 5220// match_results(match_results&& __m) = default; 5221// match_results& operator=(match_results&& __m) = default; 5222// ~match_results() = default; 5223 5224 _LIBCPP_INLINE_VISIBILITY 5225 bool ready() const {return __ready_;} 5226 5227 // size: 5228 _LIBCPP_INLINE_VISIBILITY 5229 size_type size() const {return __matches_.size();} 5230 _LIBCPP_INLINE_VISIBILITY 5231 size_type max_size() const {return __matches_.max_size();} 5232 _LIBCPP_INLINE_VISIBILITY 5233 bool empty() const {return size() == 0;} 5234 5235 // element access: 5236 _LIBCPP_INLINE_VISIBILITY 5237 difference_type length(size_type __sub = 0) const 5238 {return (*this)[__sub].length();} 5239 _LIBCPP_INLINE_VISIBILITY 5240 difference_type position(size_type __sub = 0) const 5241 {return _VSTD::distance(__position_start_, (*this)[__sub].first);} 5242 _LIBCPP_INLINE_VISIBILITY 5243 string_type str(size_type __sub = 0) const 5244 {return (*this)[__sub].str();} 5245 _LIBCPP_INLINE_VISIBILITY 5246 const_reference operator[](size_type __n) const 5247 {return __n < __matches_.size() ? __matches_[__n] : __unmatched_;} 5248 5249 _LIBCPP_INLINE_VISIBILITY 5250 const_reference prefix() const {return __prefix_;} 5251 _LIBCPP_INLINE_VISIBILITY 5252 const_reference suffix() const {return __suffix_;} 5253 5254 _LIBCPP_INLINE_VISIBILITY 5255 const_iterator begin() const {return empty() ? __matches_.end() : __matches_.begin();} 5256 _LIBCPP_INLINE_VISIBILITY 5257 const_iterator end() const {return __matches_.end();} 5258 _LIBCPP_INLINE_VISIBILITY 5259 const_iterator cbegin() const {return empty() ? __matches_.end() : __matches_.begin();} 5260 _LIBCPP_INLINE_VISIBILITY 5261 const_iterator cend() const {return __matches_.end();} 5262 5263 // format: 5264 template <class _OutputIter> 5265 _OutputIter 5266 format(_OutputIter __output, const char_type* __fmt_first, 5267 const char_type* __fmt_last, 5268 regex_constants::match_flag_type __flags = regex_constants::format_default) const; 5269 template <class _OutputIter, class _ST, class _SA> 5270 _LIBCPP_INLINE_VISIBILITY 5271 _OutputIter 5272 format(_OutputIter __output, const basic_string<char_type, _ST, _SA>& __fmt, 5273 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5274 {return format(__output, __fmt.data(), __fmt.data() + __fmt.size(), __flags);} 5275 template <class _ST, class _SA> 5276 _LIBCPP_INLINE_VISIBILITY 5277 basic_string<char_type, _ST, _SA> 5278 format(const basic_string<char_type, _ST, _SA>& __fmt, 5279 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5280 { 5281 basic_string<char_type, _ST, _SA> __r; 5282 format(back_inserter(__r), __fmt.data(), __fmt.data() + __fmt.size(), 5283 __flags); 5284 return __r; 5285 } 5286 _LIBCPP_INLINE_VISIBILITY 5287 string_type 5288 format(const char_type* __fmt, 5289 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5290 { 5291 string_type __r; 5292 format(back_inserter(__r), __fmt, 5293 __fmt + char_traits<char_type>::length(__fmt), __flags); 5294 return __r; 5295 } 5296 5297 // allocator: 5298 _LIBCPP_INLINE_VISIBILITY 5299 allocator_type get_allocator() const {return __matches_.get_allocator();} 5300 5301 // swap: 5302 void swap(match_results& __m); 5303 5304 template <class _Bp, class _Ap> 5305 _LIBCPP_INLINE_VISIBILITY 5306 void __assign(_BidirectionalIterator __f, _BidirectionalIterator __l, 5307 const match_results<_Bp, _Ap>& __m, bool __no_update_pos) 5308 { 5309 _Bp __mf = __m.prefix().first; 5310 __matches_.resize(__m.size()); 5311 for (size_type __i = 0; __i < __matches_.size(); ++__i) 5312 { 5313 __matches_[__i].first = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].first)); 5314 __matches_[__i].second = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].second)); 5315 __matches_[__i].matched = __m[__i].matched; 5316 } 5317 __unmatched_.first = __l; 5318 __unmatched_.second = __l; 5319 __unmatched_.matched = false; 5320 __prefix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().first)); 5321 __prefix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().second)); 5322 __prefix_.matched = __m.prefix().matched; 5323 __suffix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().first)); 5324 __suffix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().second)); 5325 __suffix_.matched = __m.suffix().matched; 5326 if (!__no_update_pos) 5327 __position_start_ = __prefix_.first; 5328 __ready_ = __m.ready(); 5329 } 5330 5331private: 5332 void __init(unsigned __s, 5333 _BidirectionalIterator __f, _BidirectionalIterator __l, 5334 bool __no_update_pos = false); 5335 5336 template <class, class> friend class basic_regex; 5337 5338 template <class _Bp, class _Ap, class _Cp, class _Tp> 5339 friend 5340 bool 5341 regex_match(_Bp, _Bp, match_results<_Bp, _Ap>&, const basic_regex<_Cp, _Tp>&, 5342 regex_constants::match_flag_type); 5343 5344 template <class _Bp, class _Ap> 5345 friend 5346 bool 5347 operator==(const match_results<_Bp, _Ap>&, const match_results<_Bp, _Ap>&); 5348 5349 template <class, class> friend class __lookahead; 5350}; 5351 5352template <class _BidirectionalIterator, class _Allocator> 5353match_results<_BidirectionalIterator, _Allocator>::match_results( 5354 const allocator_type& __a) 5355 : __matches_(__a), 5356 __unmatched_(), 5357 __prefix_(), 5358 __suffix_(), 5359 __ready_(false), 5360 __position_start_() 5361{ 5362} 5363 5364template <class _BidirectionalIterator, class _Allocator> 5365void 5366match_results<_BidirectionalIterator, _Allocator>::__init(unsigned __s, 5367 _BidirectionalIterator __f, _BidirectionalIterator __l, 5368 bool __no_update_pos) 5369{ 5370 __unmatched_.first = __l; 5371 __unmatched_.second = __l; 5372 __unmatched_.matched = false; 5373 __matches_.assign(__s, __unmatched_); 5374 __prefix_.first = __f; 5375 __prefix_.second = __f; 5376 __prefix_.matched = false; 5377 __suffix_ = __unmatched_; 5378 if (!__no_update_pos) 5379 __position_start_ = __prefix_.first; 5380 __ready_ = true; 5381} 5382 5383template <class _BidirectionalIterator, class _Allocator> 5384template <class _OutputIter> 5385_OutputIter 5386match_results<_BidirectionalIterator, _Allocator>::format(_OutputIter __output, 5387 const char_type* __fmt_first, const char_type* __fmt_last, 5388 regex_constants::match_flag_type __flags) const 5389{ 5390 if (__flags & regex_constants::format_sed) 5391 { 5392 for (; __fmt_first != __fmt_last; ++__fmt_first) 5393 { 5394 if (*__fmt_first == '&') 5395 __output = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5396 __output); 5397 else if (*__fmt_first == '\\' && __fmt_first + 1 != __fmt_last) 5398 { 5399 ++__fmt_first; 5400 if ('0' <= *__fmt_first && *__fmt_first <= '9') 5401 { 5402 size_t __i = *__fmt_first - '0'; 5403 __output = _VSTD::copy((*this)[__i].first, 5404 (*this)[__i].second, __output); 5405 } 5406 else 5407 { 5408 *__output = *__fmt_first; 5409 ++__output; 5410 } 5411 } 5412 else 5413 { 5414 *__output = *__fmt_first; 5415 ++__output; 5416 } 5417 } 5418 } 5419 else 5420 { 5421 for (; __fmt_first != __fmt_last; ++__fmt_first) 5422 { 5423 if (*__fmt_first == '$' && __fmt_first + 1 != __fmt_last) 5424 { 5425 switch (__fmt_first[1]) 5426 { 5427 case '$': 5428 *__output = *++__fmt_first; 5429 ++__output; 5430 break; 5431 case '&': 5432 ++__fmt_first; 5433 __output = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5434 __output); 5435 break; 5436 case '`': 5437 ++__fmt_first; 5438 __output = _VSTD::copy(__prefix_.first, __prefix_.second, __output); 5439 break; 5440 case '\'': 5441 ++__fmt_first; 5442 __output = _VSTD::copy(__suffix_.first, __suffix_.second, __output); 5443 break; 5444 default: 5445 if ('0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5446 { 5447 ++__fmt_first; 5448 size_t __i = *__fmt_first - '0'; 5449 if (__fmt_first + 1 != __fmt_last && 5450 '0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5451 { 5452 ++__fmt_first; 5453 __i = 10 * __i + *__fmt_first - '0'; 5454 } 5455 __output = _VSTD::copy((*this)[__i].first, 5456 (*this)[__i].second, __output); 5457 } 5458 else 5459 { 5460 *__output = *__fmt_first; 5461 ++__output; 5462 } 5463 break; 5464 } 5465 } 5466 else 5467 { 5468 *__output = *__fmt_first; 5469 ++__output; 5470 } 5471 } 5472 } 5473 return __output; 5474} 5475 5476template <class _BidirectionalIterator, class _Allocator> 5477void 5478match_results<_BidirectionalIterator, _Allocator>::swap(match_results& __m) 5479{ 5480 using _VSTD::swap; 5481 swap(__matches_, __m.__matches_); 5482 swap(__unmatched_, __m.__unmatched_); 5483 swap(__prefix_, __m.__prefix_); 5484 swap(__suffix_, __m.__suffix_); 5485 swap(__position_start_, __m.__position_start_); 5486 swap(__ready_, __m.__ready_); 5487} 5488 5489typedef match_results<const char*> cmatch; 5490typedef match_results<const wchar_t*> wcmatch; 5491typedef match_results<string::const_iterator> smatch; 5492typedef match_results<wstring::const_iterator> wsmatch; 5493 5494template <class _BidirectionalIterator, class _Allocator> 5495bool 5496operator==(const match_results<_BidirectionalIterator, _Allocator>& __x, 5497 const match_results<_BidirectionalIterator, _Allocator>& __y) 5498{ 5499 if (__x.__ready_ != __y.__ready_) 5500 return false; 5501 if (!__x.__ready_) 5502 return true; 5503 return __x.__matches_ == __y.__matches_ && 5504 __x.__prefix_ == __y.__prefix_ && 5505 __x.__suffix_ == __y.__suffix_; 5506} 5507 5508template <class _BidirectionalIterator, class _Allocator> 5509inline _LIBCPP_INLINE_VISIBILITY 5510bool 5511operator!=(const match_results<_BidirectionalIterator, _Allocator>& __x, 5512 const match_results<_BidirectionalIterator, _Allocator>& __y) 5513{ 5514 return !(__x == __y); 5515} 5516 5517template <class _BidirectionalIterator, class _Allocator> 5518inline _LIBCPP_INLINE_VISIBILITY 5519void 5520swap(match_results<_BidirectionalIterator, _Allocator>& __x, 5521 match_results<_BidirectionalIterator, _Allocator>& __y) 5522{ 5523 __x.swap(__y); 5524} 5525 5526// regex_search 5527 5528template <class _CharT, class _Traits> 5529template <class _Allocator> 5530bool 5531basic_regex<_CharT, _Traits>::__match_at_start_ecma( 5532 const _CharT* __first, const _CharT* __last, 5533 match_results<const _CharT*, _Allocator>& __m, 5534 regex_constants::match_flag_type __flags, bool __at_first) const 5535{ 5536 vector<__state> __states; 5537 __node* __st = __start_.get(); 5538 if (__st) 5539 { 5540 sub_match<const _CharT*> __unmatched; 5541 __unmatched.first = __last; 5542 __unmatched.second = __last; 5543 __unmatched.matched = false; 5544 5545 __states.push_back(__state()); 5546 __states.back().__do_ = 0; 5547 __states.back().__first_ = __first; 5548 __states.back().__current_ = __first; 5549 __states.back().__last_ = __last; 5550 __states.back().__sub_matches_.resize(mark_count(), __unmatched); 5551 __states.back().__loop_data_.resize(__loop_count()); 5552 __states.back().__node_ = __st; 5553 __states.back().__flags_ = __flags; 5554 __states.back().__at_first_ = __at_first; 5555 do 5556 { 5557 __state& __s = __states.back(); 5558 if (__s.__node_) 5559 __s.__node_->__exec(__s); 5560 switch (__s.__do_) 5561 { 5562 case __state::__end_state: 5563 if ((__flags & regex_constants::match_not_null) && 5564 __s.__current_ == __first) 5565 { 5566 __states.pop_back(); 5567 break; 5568 } 5569 if ((__flags & regex_constants::__full_match) && 5570 __s.__current_ != __last) 5571 { 5572 __states.pop_back(); 5573 break; 5574 } 5575 __m.__matches_[0].first = __first; 5576 __m.__matches_[0].second = _VSTD::next(__first, __s.__current_ - __first); 5577 __m.__matches_[0].matched = true; 5578 for (unsigned __i = 0; __i < __s.__sub_matches_.size(); ++__i) 5579 __m.__matches_[__i+1] = __s.__sub_matches_[__i]; 5580 return true; 5581 case __state::__accept_and_consume: 5582 case __state::__repeat: 5583 case __state::__accept_but_not_consume: 5584 break; 5585 case __state::__split: 5586 { 5587 __state __snext = __s; 5588 __s.__node_->__exec_split(true, __s); 5589 __snext.__node_->__exec_split(false, __snext); 5590 __states.push_back(_VSTD::move(__snext)); 5591 } 5592 break; 5593 case __state::__reject: 5594 __states.pop_back(); 5595 break; 5596 default: 5597 __throw_regex_error<regex_constants::__re_err_unknown>(); 5598 break; 5599 5600 } 5601 } while (!__states.empty()); 5602 } 5603 return false; 5604} 5605 5606template <class _CharT, class _Traits> 5607template <class _Allocator> 5608bool 5609basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs( 5610 const _CharT* __first, const _CharT* __last, 5611 match_results<const _CharT*, _Allocator>& __m, 5612 regex_constants::match_flag_type __flags, bool __at_first) const 5613{ 5614 deque<__state> __states; 5615 ptrdiff_t __highest_j = 0; 5616 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5617 __node* __st = __start_.get(); 5618 if (__st) 5619 { 5620 __states.push_back(__state()); 5621 __states.back().__do_ = 0; 5622 __states.back().__first_ = __first; 5623 __states.back().__current_ = __first; 5624 __states.back().__last_ = __last; 5625 __states.back().__loop_data_.resize(__loop_count()); 5626 __states.back().__node_ = __st; 5627 __states.back().__flags_ = __flags; 5628 __states.back().__at_first_ = __at_first; 5629 bool __matched = false; 5630 do 5631 { 5632 __state& __s = __states.back(); 5633 if (__s.__node_) 5634 __s.__node_->__exec(__s); 5635 switch (__s.__do_) 5636 { 5637 case __state::__end_state: 5638 if ((__flags & regex_constants::match_not_null) && 5639 __s.__current_ == __first) 5640 { 5641 __states.pop_back(); 5642 break; 5643 } 5644 if ((__flags & regex_constants::__full_match) && 5645 __s.__current_ != __last) 5646 { 5647 __states.pop_back(); 5648 break; 5649 } 5650 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5651 __highest_j = __s.__current_ - __s.__first_; 5652 __matched = true; 5653 if (__highest_j == _Np) 5654 __states.clear(); 5655 else 5656 __states.pop_back(); 5657 break; 5658 case __state::__consume_input: 5659 break; 5660 case __state::__accept_and_consume: 5661 __states.push_front(_VSTD::move(__s)); 5662 __states.pop_back(); 5663 break; 5664 case __state::__repeat: 5665 case __state::__accept_but_not_consume: 5666 break; 5667 case __state::__split: 5668 { 5669 __state __snext = __s; 5670 __s.__node_->__exec_split(true, __s); 5671 __snext.__node_->__exec_split(false, __snext); 5672 __states.push_back(_VSTD::move(__snext)); 5673 } 5674 break; 5675 case __state::__reject: 5676 __states.pop_back(); 5677 break; 5678 default: 5679 __throw_regex_error<regex_constants::__re_err_unknown>(); 5680 break; 5681 } 5682 } while (!__states.empty()); 5683 if (__matched) 5684 { 5685 __m.__matches_[0].first = __first; 5686 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5687 __m.__matches_[0].matched = true; 5688 return true; 5689 } 5690 } 5691 return false; 5692} 5693 5694template <class _CharT, class _Traits> 5695template <class _Allocator> 5696bool 5697basic_regex<_CharT, _Traits>::__match_at_start_posix_subs( 5698 const _CharT* __first, const _CharT* __last, 5699 match_results<const _CharT*, _Allocator>& __m, 5700 regex_constants::match_flag_type __flags, bool __at_first) const 5701{ 5702 vector<__state> __states; 5703 __state __best_state; 5704 ptrdiff_t __j = 0; 5705 ptrdiff_t __highest_j = 0; 5706 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5707 __node* __st = __start_.get(); 5708 if (__st) 5709 { 5710 sub_match<const _CharT*> __unmatched; 5711 __unmatched.first = __last; 5712 __unmatched.second = __last; 5713 __unmatched.matched = false; 5714 5715 __states.push_back(__state()); 5716 __states.back().__do_ = 0; 5717 __states.back().__first_ = __first; 5718 __states.back().__current_ = __first; 5719 __states.back().__last_ = __last; 5720 __states.back().__sub_matches_.resize(mark_count(), __unmatched); 5721 __states.back().__loop_data_.resize(__loop_count()); 5722 __states.back().__node_ = __st; 5723 __states.back().__flags_ = __flags; 5724 __states.back().__at_first_ = __at_first; 5725 const _CharT* __current = __first; 5726 bool __matched = false; 5727 do 5728 { 5729 __state& __s = __states.back(); 5730 if (__s.__node_) 5731 __s.__node_->__exec(__s); 5732 switch (__s.__do_) 5733 { 5734 case __state::__end_state: 5735 if ((__flags & regex_constants::match_not_null) && 5736 __s.__current_ == __first) 5737 { 5738 __states.pop_back(); 5739 break; 5740 } 5741 if ((__flags & regex_constants::__full_match) && 5742 __s.__current_ != __last) 5743 { 5744 __states.pop_back(); 5745 break; 5746 } 5747 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5748 { 5749 __highest_j = __s.__current_ - __s.__first_; 5750 __best_state = __s; 5751 } 5752 __matched = true; 5753 if (__highest_j == _Np) 5754 __states.clear(); 5755 else 5756 __states.pop_back(); 5757 break; 5758 case __state::__accept_and_consume: 5759 __j += __s.__current_ - __current; 5760 __current = __s.__current_; 5761 break; 5762 case __state::__repeat: 5763 case __state::__accept_but_not_consume: 5764 break; 5765 case __state::__split: 5766 { 5767 __state __snext = __s; 5768 __s.__node_->__exec_split(true, __s); 5769 __snext.__node_->__exec_split(false, __snext); 5770 __states.push_back(_VSTD::move(__snext)); 5771 } 5772 break; 5773 case __state::__reject: 5774 __states.pop_back(); 5775 break; 5776 default: 5777 __throw_regex_error<regex_constants::__re_err_unknown>(); 5778 break; 5779 } 5780 } while (!__states.empty()); 5781 if (__matched) 5782 { 5783 __m.__matches_[0].first = __first; 5784 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5785 __m.__matches_[0].matched = true; 5786 for (unsigned __i = 0; __i < __best_state.__sub_matches_.size(); ++__i) 5787 __m.__matches_[__i+1] = __best_state.__sub_matches_[__i]; 5788 return true; 5789 } 5790 } 5791 return false; 5792} 5793 5794template <class _CharT, class _Traits> 5795template <class _Allocator> 5796bool 5797basic_regex<_CharT, _Traits>::__match_at_start( 5798 const _CharT* __first, const _CharT* __last, 5799 match_results<const _CharT*, _Allocator>& __m, 5800 regex_constants::match_flag_type __flags, bool __at_first) const 5801{ 5802 if ((__flags_ & 0x1F0) == ECMAScript) 5803 return __match_at_start_ecma(__first, __last, __m, __flags, __at_first); 5804 if (mark_count() == 0) 5805 return __match_at_start_posix_nosubs(__first, __last, __m, __flags, __at_first); 5806 return __match_at_start_posix_subs(__first, __last, __m, __flags, __at_first); 5807} 5808 5809template <class _CharT, class _Traits> 5810template <class _Allocator> 5811bool 5812basic_regex<_CharT, _Traits>::__search( 5813 const _CharT* __first, const _CharT* __last, 5814 match_results<const _CharT*, _Allocator>& __m, 5815 regex_constants::match_flag_type __flags) const 5816{ 5817 __m.__init(1 + mark_count(), __first, __last, 5818 __flags & regex_constants::__no_update_pos); 5819 if (__match_at_start(__first, __last, __m, __flags, 5820 !(__flags & regex_constants::__no_update_pos))) 5821 { 5822 __m.__prefix_.second = __m[0].first; 5823 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5824 __m.__suffix_.first = __m[0].second; 5825 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5826 return true; 5827 } 5828 if (__first != __last && !(__flags & regex_constants::match_continuous)) 5829 { 5830 __flags |= regex_constants::match_prev_avail; 5831 for (++__first; __first != __last; ++__first) 5832 { 5833 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5834 if (__match_at_start(__first, __last, __m, __flags, false)) 5835 { 5836 __m.__prefix_.second = __m[0].first; 5837 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5838 __m.__suffix_.first = __m[0].second; 5839 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5840 return true; 5841 } 5842 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5843 } 5844 } 5845 __m.__matches_.clear(); 5846 return false; 5847} 5848 5849template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5850inline _LIBCPP_INLINE_VISIBILITY 5851bool 5852regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5853 match_results<_BidirectionalIterator, _Allocator>& __m, 5854 const basic_regex<_CharT, _Traits>& __e, 5855 regex_constants::match_flag_type __flags = regex_constants::match_default) 5856{ 5857 int __offset = (__flags & regex_constants::match_prev_avail) ? 1 : 0; 5858 basic_string<_CharT> __s(_VSTD::prev(__first, __offset), __last); 5859 match_results<const _CharT*> __mc; 5860 bool __r = __e.__search(__s.data() + __offset, __s.data() + __s.size(), __mc, __flags); 5861 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5862 return __r; 5863} 5864 5865template <class _Iter, class _Allocator, class _CharT, class _Traits> 5866inline _LIBCPP_INLINE_VISIBILITY 5867bool 5868regex_search(__wrap_iter<_Iter> __first, 5869 __wrap_iter<_Iter> __last, 5870 match_results<__wrap_iter<_Iter>, _Allocator>& __m, 5871 const basic_regex<_CharT, _Traits>& __e, 5872 regex_constants::match_flag_type __flags = regex_constants::match_default) 5873{ 5874 match_results<const _CharT*> __mc; 5875 bool __r = __e.__search(__first.base(), __last.base(), __mc, __flags); 5876 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5877 return __r; 5878} 5879 5880template <class _Allocator, class _CharT, class _Traits> 5881inline _LIBCPP_INLINE_VISIBILITY 5882bool 5883regex_search(const _CharT* __first, const _CharT* __last, 5884 match_results<const _CharT*, _Allocator>& __m, 5885 const basic_regex<_CharT, _Traits>& __e, 5886 regex_constants::match_flag_type __flags = regex_constants::match_default) 5887{ 5888 return __e.__search(__first, __last, __m, __flags); 5889} 5890 5891template <class _BidirectionalIterator, class _CharT, class _Traits> 5892inline _LIBCPP_INLINE_VISIBILITY 5893bool 5894regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5895 const basic_regex<_CharT, _Traits>& __e, 5896 regex_constants::match_flag_type __flags = regex_constants::match_default) 5897{ 5898 basic_string<_CharT> __s(__first, __last); 5899 match_results<const _CharT*> __mc; 5900 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5901} 5902 5903template <class _CharT, class _Traits> 5904inline _LIBCPP_INLINE_VISIBILITY 5905bool 5906regex_search(const _CharT* __first, const _CharT* __last, 5907 const basic_regex<_CharT, _Traits>& __e, 5908 regex_constants::match_flag_type __flags = regex_constants::match_default) 5909{ 5910 match_results<const _CharT*> __mc; 5911 return __e.__search(__first, __last, __mc, __flags); 5912} 5913 5914template <class _CharT, class _Allocator, class _Traits> 5915inline _LIBCPP_INLINE_VISIBILITY 5916bool 5917regex_search(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 5918 const basic_regex<_CharT, _Traits>& __e, 5919 regex_constants::match_flag_type __flags = regex_constants::match_default) 5920{ 5921 return __e.__search(__str, __str + _Traits::length(__str), __m, __flags); 5922} 5923 5924template <class _CharT, class _Traits> 5925inline _LIBCPP_INLINE_VISIBILITY 5926bool 5927regex_search(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 5928 regex_constants::match_flag_type __flags = regex_constants::match_default) 5929{ 5930 match_results<const _CharT*> __m; 5931 return _VSTD::regex_search(__str, __m, __e, __flags); 5932} 5933 5934template <class _ST, class _SA, class _CharT, class _Traits> 5935inline _LIBCPP_INLINE_VISIBILITY 5936bool 5937regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5938 const basic_regex<_CharT, _Traits>& __e, 5939 regex_constants::match_flag_type __flags = regex_constants::match_default) 5940{ 5941 match_results<const _CharT*> __mc; 5942 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5943} 5944 5945template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 5946inline _LIBCPP_INLINE_VISIBILITY 5947bool 5948regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5949 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 5950 const basic_regex<_CharT, _Traits>& __e, 5951 regex_constants::match_flag_type __flags = regex_constants::match_default) 5952{ 5953 match_results<const _CharT*> __mc; 5954 bool __r = __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5955 __m.__assign(__s.begin(), __s.end(), __mc, __flags & regex_constants::__no_update_pos); 5956 return __r; 5957} 5958 5959#if _LIBCPP_STD_VER > 11 5960template <class _ST, class _SA, class _Ap, class _Cp, class _Tp> 5961bool 5962regex_search(const basic_string<_Cp, _ST, _SA>&& __s, 5963 match_results<typename basic_string<_Cp, _ST, _SA>::const_iterator, _Ap>&, 5964 const basic_regex<_Cp, _Tp>& __e, 5965 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 5966#endif 5967 5968// regex_match 5969 5970template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5971bool 5972regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 5973 match_results<_BidirectionalIterator, _Allocator>& __m, 5974 const basic_regex<_CharT, _Traits>& __e, 5975 regex_constants::match_flag_type __flags = regex_constants::match_default) 5976{ 5977 bool __r = _VSTD::regex_search( 5978 __first, __last, __m, __e, 5979 __flags | regex_constants::match_continuous | 5980 regex_constants::__full_match); 5981 if (__r) 5982 { 5983 __r = !__m.suffix().matched; 5984 if (!__r) 5985 __m.__matches_.clear(); 5986 } 5987 return __r; 5988} 5989 5990template <class _BidirectionalIterator, class _CharT, class _Traits> 5991inline _LIBCPP_INLINE_VISIBILITY 5992bool 5993regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 5994 const basic_regex<_CharT, _Traits>& __e, 5995 regex_constants::match_flag_type __flags = regex_constants::match_default) 5996{ 5997 match_results<_BidirectionalIterator> __m; 5998 return _VSTD::regex_match(__first, __last, __m, __e, __flags); 5999} 6000 6001template <class _CharT, class _Allocator, class _Traits> 6002inline _LIBCPP_INLINE_VISIBILITY 6003bool 6004regex_match(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 6005 const basic_regex<_CharT, _Traits>& __e, 6006 regex_constants::match_flag_type __flags = regex_constants::match_default) 6007{ 6008 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __m, __e, __flags); 6009} 6010 6011template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6012inline _LIBCPP_INLINE_VISIBILITY 6013bool 6014regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6015 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6016 const basic_regex<_CharT, _Traits>& __e, 6017 regex_constants::match_flag_type __flags = regex_constants::match_default) 6018{ 6019 return _VSTD::regex_match(__s.begin(), __s.end(), __m, __e, __flags); 6020} 6021 6022#if _LIBCPP_STD_VER > 11 6023template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6024inline _LIBCPP_INLINE_VISIBILITY 6025bool 6026regex_match(const basic_string<_CharT, _ST, _SA>&& __s, 6027 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6028 const basic_regex<_CharT, _Traits>& __e, 6029 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 6030#endif 6031 6032template <class _CharT, class _Traits> 6033inline _LIBCPP_INLINE_VISIBILITY 6034bool 6035regex_match(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 6036 regex_constants::match_flag_type __flags = regex_constants::match_default) 6037{ 6038 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __e, __flags); 6039} 6040 6041template <class _ST, class _SA, class _CharT, class _Traits> 6042inline _LIBCPP_INLINE_VISIBILITY 6043bool 6044regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6045 const basic_regex<_CharT, _Traits>& __e, 6046 regex_constants::match_flag_type __flags = regex_constants::match_default) 6047{ 6048 return _VSTD::regex_match(__s.begin(), __s.end(), __e, __flags); 6049} 6050 6051// regex_iterator 6052 6053template <class _BidirectionalIterator, 6054 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6055 class _Traits = regex_traits<_CharT> > 6056class _LIBCPP_TEMPLATE_VIS regex_iterator 6057{ 6058public: 6059 typedef basic_regex<_CharT, _Traits> regex_type; 6060 typedef match_results<_BidirectionalIterator> value_type; 6061 typedef ptrdiff_t difference_type; 6062 typedef const value_type* pointer; 6063 typedef const value_type& reference; 6064 typedef forward_iterator_tag iterator_category; 6065 6066private: 6067 _BidirectionalIterator __begin_; 6068 _BidirectionalIterator __end_; 6069 const regex_type* __pregex_; 6070 regex_constants::match_flag_type __flags_; 6071 value_type __match_; 6072 6073public: 6074 regex_iterator(); 6075 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6076 const regex_type& __re, 6077 regex_constants::match_flag_type __m 6078 = regex_constants::match_default); 6079#if _LIBCPP_STD_VER > 11 6080 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6081 const regex_type&& __re, 6082 regex_constants::match_flag_type __m 6083 = regex_constants::match_default) = delete; 6084#endif 6085 6086 bool operator==(const regex_iterator& __x) const; 6087 _LIBCPP_INLINE_VISIBILITY 6088 bool operator!=(const regex_iterator& __x) const {return !(*this == __x);} 6089 6090 _LIBCPP_INLINE_VISIBILITY 6091 reference operator*() const {return __match_;} 6092 _LIBCPP_INLINE_VISIBILITY 6093 pointer operator->() const {return &__match_;} 6094 6095 regex_iterator& operator++(); 6096 _LIBCPP_INLINE_VISIBILITY 6097 regex_iterator operator++(int) 6098 { 6099 regex_iterator __t(*this); 6100 ++(*this); 6101 return __t; 6102 } 6103}; 6104 6105template <class _BidirectionalIterator, class _CharT, class _Traits> 6106regex_iterator<_BidirectionalIterator, _CharT, _Traits>::regex_iterator() 6107 : __begin_(), __end_(), __pregex_(nullptr), __flags_(), __match_() 6108{ 6109} 6110 6111template <class _BidirectionalIterator, class _CharT, class _Traits> 6112regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6113 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6114 const regex_type& __re, regex_constants::match_flag_type __m) 6115 : __begin_(__a), 6116 __end_(__b), 6117 __pregex_(&__re), 6118 __flags_(__m) 6119{ 6120 _VSTD::regex_search(__begin_, __end_, __match_, *__pregex_, __flags_); 6121} 6122 6123template <class _BidirectionalIterator, class _CharT, class _Traits> 6124bool 6125regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6126 operator==(const regex_iterator& __x) const 6127{ 6128 if (__match_.empty() && __x.__match_.empty()) 6129 return true; 6130 if (__match_.empty() || __x.__match_.empty()) 6131 return false; 6132 return __begin_ == __x.__begin_ && 6133 __end_ == __x.__end_ && 6134 __pregex_ == __x.__pregex_ && 6135 __flags_ == __x.__flags_ && 6136 __match_[0] == __x.__match_[0]; 6137} 6138 6139template <class _BidirectionalIterator, class _CharT, class _Traits> 6140regex_iterator<_BidirectionalIterator, _CharT, _Traits>& 6141regex_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6142{ 6143 __flags_ |= regex_constants::__no_update_pos; 6144 _BidirectionalIterator __start = __match_[0].second; 6145 if (__match_[0].first == __match_[0].second) 6146 { 6147 if (__start == __end_) 6148 { 6149 __match_ = value_type(); 6150 return *this; 6151 } 6152 else if (_VSTD::regex_search(__start, __end_, __match_, *__pregex_, 6153 __flags_ | regex_constants::match_not_null | 6154 regex_constants::match_continuous)) 6155 return *this; 6156 else 6157 ++__start; 6158 } 6159 __flags_ |= regex_constants::match_prev_avail; 6160 if (!_VSTD::regex_search(__start, __end_, __match_, *__pregex_, __flags_)) 6161 __match_ = value_type(); 6162 return *this; 6163} 6164 6165typedef regex_iterator<const char*> cregex_iterator; 6166typedef regex_iterator<const wchar_t*> wcregex_iterator; 6167typedef regex_iterator<string::const_iterator> sregex_iterator; 6168typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 6169 6170// regex_token_iterator 6171 6172template <class _BidirectionalIterator, 6173 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6174 class _Traits = regex_traits<_CharT> > 6175class _LIBCPP_TEMPLATE_VIS regex_token_iterator 6176{ 6177public: 6178 typedef basic_regex<_CharT, _Traits> regex_type; 6179 typedef sub_match<_BidirectionalIterator> value_type; 6180 typedef ptrdiff_t difference_type; 6181 typedef const value_type* pointer; 6182 typedef const value_type& reference; 6183 typedef forward_iterator_tag iterator_category; 6184 6185private: 6186 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Position; 6187 6188 _Position __position_; 6189 const value_type* __result_; 6190 value_type __suffix_; 6191 ptrdiff_t __n_; 6192 vector<int> __subs_; 6193 6194public: 6195 regex_token_iterator(); 6196 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6197 const regex_type& __re, int __submatch = 0, 6198 regex_constants::match_flag_type __m = 6199 regex_constants::match_default); 6200#if _LIBCPP_STD_VER > 11 6201 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6202 const regex_type&& __re, int __submatch = 0, 6203 regex_constants::match_flag_type __m = 6204 regex_constants::match_default) = delete; 6205#endif 6206 6207 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6208 const regex_type& __re, const vector<int>& __submatches, 6209 regex_constants::match_flag_type __m = 6210 regex_constants::match_default); 6211#if _LIBCPP_STD_VER > 11 6212 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6213 const regex_type&& __re, const vector<int>& __submatches, 6214 regex_constants::match_flag_type __m = 6215 regex_constants::match_default) = delete; 6216#endif 6217 6218#ifndef _LIBCPP_CXX03_LANG 6219 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6220 const regex_type& __re, 6221 initializer_list<int> __submatches, 6222 regex_constants::match_flag_type __m = 6223 regex_constants::match_default); 6224 6225#if _LIBCPP_STD_VER > 11 6226 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6227 const regex_type&& __re, 6228 initializer_list<int> __submatches, 6229 regex_constants::match_flag_type __m = 6230 regex_constants::match_default) = delete; 6231#endif 6232#endif // _LIBCPP_CXX03_LANG 6233 template <size_t _Np> 6234 regex_token_iterator(_BidirectionalIterator __a, 6235 _BidirectionalIterator __b, 6236 const regex_type& __re, 6237 const int (&__submatches)[_Np], 6238 regex_constants::match_flag_type __m = 6239 regex_constants::match_default); 6240#if _LIBCPP_STD_VER > 11 6241 template <std::size_t _Np> 6242 regex_token_iterator(_BidirectionalIterator __a, 6243 _BidirectionalIterator __b, 6244 const regex_type&& __re, 6245 const int (&__submatches)[_Np], 6246 regex_constants::match_flag_type __m = 6247 regex_constants::match_default) = delete; 6248#endif 6249 6250 regex_token_iterator(const regex_token_iterator&); 6251 regex_token_iterator& operator=(const regex_token_iterator&); 6252 6253 bool operator==(const regex_token_iterator& __x) const; 6254 _LIBCPP_INLINE_VISIBILITY 6255 bool operator!=(const regex_token_iterator& __x) const {return !(*this == __x);} 6256 6257 _LIBCPP_INLINE_VISIBILITY 6258 const value_type& operator*() const {return *__result_;} 6259 _LIBCPP_INLINE_VISIBILITY 6260 const value_type* operator->() const {return __result_;} 6261 6262 regex_token_iterator& operator++(); 6263 _LIBCPP_INLINE_VISIBILITY 6264 regex_token_iterator operator++(int) 6265 { 6266 regex_token_iterator __t(*this); 6267 ++(*this); 6268 return __t; 6269 } 6270 6271private: 6272 void __init(_BidirectionalIterator __a, _BidirectionalIterator __b); 6273 void __establish_result () { 6274 if (__subs_[__n_] == -1) 6275 __result_ = &__position_->prefix(); 6276 else 6277 __result_ = &(*__position_)[__subs_[__n_]]; 6278 } 6279}; 6280 6281template <class _BidirectionalIterator, class _CharT, class _Traits> 6282regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6283 regex_token_iterator() 6284 : __result_(nullptr), 6285 __suffix_(), 6286 __n_(0) 6287{ 6288} 6289 6290template <class _BidirectionalIterator, class _CharT, class _Traits> 6291void 6292regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6293 __init(_BidirectionalIterator __a, _BidirectionalIterator __b) 6294{ 6295 if (__position_ != _Position()) 6296 __establish_result (); 6297 else if (__subs_[__n_] == -1) 6298 { 6299 __suffix_.matched = true; 6300 __suffix_.first = __a; 6301 __suffix_.second = __b; 6302 __result_ = &__suffix_; 6303 } 6304 else 6305 __result_ = nullptr; 6306} 6307 6308template <class _BidirectionalIterator, class _CharT, class _Traits> 6309regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6310 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6311 const regex_type& __re, int __submatch, 6312 regex_constants::match_flag_type __m) 6313 : __position_(__a, __b, __re, __m), 6314 __n_(0), 6315 __subs_(1, __submatch) 6316{ 6317 __init(__a, __b); 6318} 6319 6320template <class _BidirectionalIterator, class _CharT, class _Traits> 6321regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6322 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6323 const regex_type& __re, const vector<int>& __submatches, 6324 regex_constants::match_flag_type __m) 6325 : __position_(__a, __b, __re, __m), 6326 __n_(0), 6327 __subs_(__submatches) 6328{ 6329 __init(__a, __b); 6330} 6331 6332#ifndef _LIBCPP_CXX03_LANG 6333 6334template <class _BidirectionalIterator, class _CharT, class _Traits> 6335regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6336 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6337 const regex_type& __re, 6338 initializer_list<int> __submatches, 6339 regex_constants::match_flag_type __m) 6340 : __position_(__a, __b, __re, __m), 6341 __n_(0), 6342 __subs_(__submatches) 6343{ 6344 __init(__a, __b); 6345} 6346 6347#endif // _LIBCPP_CXX03_LANG 6348 6349template <class _BidirectionalIterator, class _CharT, class _Traits> 6350template <size_t _Np> 6351regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6352 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6353 const regex_type& __re, 6354 const int (&__submatches)[_Np], 6355 regex_constants::match_flag_type __m) 6356 : __position_(__a, __b, __re, __m), 6357 __n_(0), 6358 __subs_(__submatches, __submatches + _Np) 6359{ 6360 __init(__a, __b); 6361} 6362 6363template <class _BidirectionalIterator, class _CharT, class _Traits> 6364regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6365 regex_token_iterator(const regex_token_iterator& __x) 6366 : __position_(__x.__position_), 6367 __result_(__x.__result_), 6368 __suffix_(__x.__suffix_), 6369 __n_(__x.__n_), 6370 __subs_(__x.__subs_) 6371{ 6372 if (__x.__result_ == &__x.__suffix_) 6373 __result_ = &__suffix_; 6374 else if ( __result_ != nullptr ) 6375 __establish_result (); 6376} 6377 6378template <class _BidirectionalIterator, class _CharT, class _Traits> 6379regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6380regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6381 operator=(const regex_token_iterator& __x) 6382{ 6383 if (this != &__x) 6384 { 6385 __position_ = __x.__position_; 6386 if (__x.__result_ == &__x.__suffix_) 6387 __result_ = &__suffix_; 6388 else 6389 __result_ = __x.__result_; 6390 __suffix_ = __x.__suffix_; 6391 __n_ = __x.__n_; 6392 __subs_ = __x.__subs_; 6393 6394 if ( __result_ != nullptr && __result_ != &__suffix_ ) 6395 __establish_result(); 6396 } 6397 return *this; 6398} 6399 6400template <class _BidirectionalIterator, class _CharT, class _Traits> 6401bool 6402regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6403 operator==(const regex_token_iterator& __x) const 6404{ 6405 if (__result_ == nullptr && __x.__result_ == nullptr) 6406 return true; 6407 if (__result_ == &__suffix_ && __x.__result_ == &__x.__suffix_ && 6408 __suffix_ == __x.__suffix_) 6409 return true; 6410 if (__result_ == nullptr || __x.__result_ == nullptr) 6411 return false; 6412 if (__result_ == &__suffix_ || __x.__result_ == &__x.__suffix_) 6413 return false; 6414 return __position_ == __x.__position_ && __n_ == __x.__n_ && 6415 __subs_ == __x.__subs_; 6416} 6417 6418template <class _BidirectionalIterator, class _CharT, class _Traits> 6419regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6420regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6421{ 6422 _Position __prev = __position_; 6423 if (__result_ == &__suffix_) 6424 __result_ = nullptr; 6425 else if (static_cast<size_t>(__n_ + 1) < __subs_.size()) 6426 { 6427 ++__n_; 6428 __establish_result(); 6429 } 6430 else 6431 { 6432 __n_ = 0; 6433 ++__position_; 6434 if (__position_ != _Position()) 6435 __establish_result(); 6436 else 6437 { 6438 if (_VSTD::find(__subs_.begin(), __subs_.end(), -1) != __subs_.end() 6439 && __prev->suffix().length() != 0) 6440 { 6441 __suffix_.matched = true; 6442 __suffix_.first = __prev->suffix().first; 6443 __suffix_.second = __prev->suffix().second; 6444 __result_ = &__suffix_; 6445 } 6446 else 6447 __result_ = nullptr; 6448 } 6449 } 6450 return *this; 6451} 6452 6453typedef regex_token_iterator<const char*> cregex_token_iterator; 6454typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 6455typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 6456typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 6457 6458// regex_replace 6459 6460template <class _OutputIterator, class _BidirectionalIterator, 6461 class _Traits, class _CharT> 6462_OutputIterator 6463regex_replace(_OutputIterator __output, 6464 _BidirectionalIterator __first, _BidirectionalIterator __last, 6465 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6466 regex_constants::match_flag_type __flags = regex_constants::match_default) 6467{ 6468 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Iter; 6469 _Iter __i(__first, __last, __e, __flags); 6470 _Iter __eof; 6471 if (__i == __eof) 6472 { 6473 if (!(__flags & regex_constants::format_no_copy)) 6474 __output = _VSTD::copy(__first, __last, __output); 6475 } 6476 else 6477 { 6478 sub_match<_BidirectionalIterator> __lm; 6479 for (size_t __len = char_traits<_CharT>::length(__fmt); __i != __eof; ++__i) 6480 { 6481 if (!(__flags & regex_constants::format_no_copy)) 6482 __output = _VSTD::copy(__i->prefix().first, __i->prefix().second, __output); 6483 __output = __i->format(__output, __fmt, __fmt + __len, __flags); 6484 __lm = __i->suffix(); 6485 if (__flags & regex_constants::format_first_only) 6486 break; 6487 } 6488 if (!(__flags & regex_constants::format_no_copy)) 6489 __output = _VSTD::copy(__lm.first, __lm.second, __output); 6490 } 6491 return __output; 6492} 6493 6494template <class _OutputIterator, class _BidirectionalIterator, 6495 class _Traits, class _CharT, class _ST, class _SA> 6496inline _LIBCPP_INLINE_VISIBILITY 6497_OutputIterator 6498regex_replace(_OutputIterator __output, 6499 _BidirectionalIterator __first, _BidirectionalIterator __last, 6500 const basic_regex<_CharT, _Traits>& __e, 6501 const basic_string<_CharT, _ST, _SA>& __fmt, 6502 regex_constants::match_flag_type __flags = regex_constants::match_default) 6503{ 6504 return _VSTD::regex_replace(__output, __first, __last, __e, __fmt.c_str(), __flags); 6505} 6506 6507template <class _Traits, class _CharT, class _ST, class _SA, class _FST, 6508 class _FSA> 6509inline _LIBCPP_INLINE_VISIBILITY 6510basic_string<_CharT, _ST, _SA> 6511regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6512 const basic_regex<_CharT, _Traits>& __e, 6513 const basic_string<_CharT, _FST, _FSA>& __fmt, 6514 regex_constants::match_flag_type __flags = regex_constants::match_default) 6515{ 6516 basic_string<_CharT, _ST, _SA> __r; 6517 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6518 __fmt.c_str(), __flags); 6519 return __r; 6520} 6521 6522template <class _Traits, class _CharT, class _ST, class _SA> 6523inline _LIBCPP_INLINE_VISIBILITY 6524basic_string<_CharT, _ST, _SA> 6525regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6526 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6527 regex_constants::match_flag_type __flags = regex_constants::match_default) 6528{ 6529 basic_string<_CharT, _ST, _SA> __r; 6530 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6531 __fmt, __flags); 6532 return __r; 6533} 6534 6535template <class _Traits, class _CharT, class _ST, class _SA> 6536inline _LIBCPP_INLINE_VISIBILITY 6537basic_string<_CharT> 6538regex_replace(const _CharT* __s, 6539 const basic_regex<_CharT, _Traits>& __e, 6540 const basic_string<_CharT, _ST, _SA>& __fmt, 6541 regex_constants::match_flag_type __flags = regex_constants::match_default) 6542{ 6543 basic_string<_CharT> __r; 6544 _VSTD::regex_replace(back_inserter(__r), __s, 6545 __s + char_traits<_CharT>::length(__s), __e, 6546 __fmt.c_str(), __flags); 6547 return __r; 6548} 6549 6550template <class _Traits, class _CharT> 6551inline _LIBCPP_INLINE_VISIBILITY 6552basic_string<_CharT> 6553regex_replace(const _CharT* __s, 6554 const basic_regex<_CharT, _Traits>& __e, 6555 const _CharT* __fmt, 6556 regex_constants::match_flag_type __flags = regex_constants::match_default) 6557{ 6558 basic_string<_CharT> __r; 6559 _VSTD::regex_replace(back_inserter(__r), __s, 6560 __s + char_traits<_CharT>::length(__s), __e, 6561 __fmt, __flags); 6562 return __r; 6563} 6564 6565_LIBCPP_END_NAMESPACE_STD 6566 6567_LIBCPP_POP_MACROS 6568 6569#endif // _LIBCPP_REGEX 6570