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 regex_constants::syntax_option_type flag_type; 131 typedef typename traits::locale_type locale_type; 132 133 // constants: 134 static constexpr regex_constants::syntax_option_type icase = regex_constants::icase; 135 static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs; 136 static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize; 137 static constexpr regex_constants::syntax_option_type collate = regex_constants::collate; 138 static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; 139 static constexpr regex_constants::syntax_option_type basic = regex_constants::basic; 140 static constexpr regex_constants::syntax_option_type extended = regex_constants::extended; 141 static constexpr regex_constants::syntax_option_type awk = regex_constants::awk; 142 static constexpr regex_constants::syntax_option_type grep = regex_constants::grep; 143 static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep; 144 145 // construct/copy/destroy: 146 basic_regex(); 147 explicit basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript); 148 basic_regex(const charT* p, size_t len, flag_type f); 149 basic_regex(const basic_regex&); 150 basic_regex(basic_regex&&) noexcept; 151 template <class ST, class SA> 152 explicit basic_regex(const basic_string<charT, ST, SA>& p, 153 flag_type f = regex_constants::ECMAScript); 154 template <class ForwardIterator> 155 basic_regex(ForwardIterator first, ForwardIterator last, 156 flag_type f = regex_constants::ECMAScript); 157 basic_regex(initializer_list<charT>, flag_type = regex_constants::ECMAScript); 158 159 ~basic_regex(); 160 161 basic_regex& operator=(const basic_regex&); 162 basic_regex& operator=(basic_regex&&) noexcept; 163 basic_regex& operator=(const charT* ptr); 164 basic_regex& operator=(initializer_list<charT> il); 165 template <class ST, class SA> 166 basic_regex& operator=(const basic_string<charT, ST, SA>& p); 167 168 // assign: 169 basic_regex& assign(const basic_regex& that); 170 basic_regex& assign(basic_regex&& that) noexcept; 171 basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript); 172 basic_regex& assign(const charT* p, size_t len, flag_type f); 173 template <class string_traits, class A> 174 basic_regex& assign(const basic_string<charT, string_traits, A>& s, 175 flag_type f = regex_constants::ECMAScript); 176 template <class InputIterator> 177 basic_regex& assign(InputIterator first, InputIterator last, 178 flag_type f = regex_constants::ECMAScript); 179 basic_regex& assign(initializer_list<charT>, flag_type = regex_constants::ECMAScript); 180 181 // const operations: 182 unsigned mark_count() const; 183 flag_type flags() const; 184 185 // locale: 186 locale_type imbue(locale_type loc); 187 locale_type getloc() const; 188 189 // swap: 190 void swap(basic_regex&); 191}; 192 193typedef basic_regex<char> regex; 194typedef basic_regex<wchar_t> wregex; 195 196template <class charT, class traits> 197 void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2); 198 199template <class BidirectionalIterator> 200class sub_match 201 : public pair<BidirectionalIterator, BidirectionalIterator> 202{ 203public: 204 typedef typename iterator_traits<BidirectionalIterator>::value_type value_type; 205 typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; 206 typedef BidirectionalIterator iterator; 207 typedef basic_string<value_type> string_type; 208 209 bool matched; 210 211 constexpr sub_match(); 212 213 difference_type length() const; 214 operator string_type() const; 215 string_type str() const; 216 217 int compare(const sub_match& s) const; 218 int compare(const string_type& s) const; 219 int compare(const value_type* s) const; 220}; 221 222typedef sub_match<const char*> csub_match; 223typedef sub_match<const wchar_t*> wcsub_match; 224typedef sub_match<string::const_iterator> ssub_match; 225typedef sub_match<wstring::const_iterator> wssub_match; 226 227template <class BiIter> 228 bool 229 operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 230 231template <class BiIter> 232 bool 233 operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 234 235template <class BiIter> 236 bool 237 operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 238 239template <class BiIter> 240 bool 241 operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 242 243template <class BiIter> 244 bool 245 operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 246 247template <class BiIter> 248 bool 249 operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); 250 251template <class BiIter, class ST, class SA> 252 bool 253 operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 254 const sub_match<BiIter>& rhs); 255 256template <class BiIter, class ST, class SA> 257 bool 258 operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 259 const sub_match<BiIter>& rhs); 260 261template <class BiIter, class ST, class SA> 262 bool 263 operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 264 const sub_match<BiIter>& rhs); 265 266template <class BiIter, class ST, class SA> 267 bool 268 operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 269 const sub_match<BiIter>& rhs); 270 271template <class BiIter, class ST, class SA> 272 bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 273 const sub_match<BiIter>& rhs); 274 275template <class BiIter, class ST, class SA> 276 bool 277 operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, 278 const sub_match<BiIter>& rhs); 279 280template <class BiIter, class ST, class SA> 281 bool 282 operator==(const sub_match<BiIter>& lhs, 283 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 284 285template <class BiIter, class ST, class SA> 286 bool 287 operator!=(const sub_match<BiIter>& lhs, 288 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 289 290template <class BiIter, class ST, class SA> 291 bool 292 operator<(const sub_match<BiIter>& lhs, 293 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 294 295template <class BiIter, class ST, class SA> 296 bool operator>(const sub_match<BiIter>& lhs, 297 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 298 299template <class BiIter, class ST, class SA> 300 bool 301 operator>=(const sub_match<BiIter>& lhs, 302 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 303 304template <class BiIter, class ST, class SA> 305 bool 306 operator<=(const sub_match<BiIter>& lhs, 307 const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); 308 309template <class BiIter> 310 bool 311 operator==(typename iterator_traits<BiIter>::value_type const* lhs, 312 const sub_match<BiIter>& rhs); 313 314template <class BiIter> 315 bool 316 operator!=(typename iterator_traits<BiIter>::value_type const* lhs, 317 const sub_match<BiIter>& rhs); 318 319template <class BiIter> 320 bool 321 operator<(typename iterator_traits<BiIter>::value_type const* lhs, 322 const sub_match<BiIter>& rhs); 323 324template <class BiIter> 325 bool 326 operator>(typename iterator_traits<BiIter>::value_type const* lhs, 327 const sub_match<BiIter>& rhs); 328 329template <class BiIter> 330 bool 331 operator>=(typename iterator_traits<BiIter>::value_type const* lhs, 332 const sub_match<BiIter>& rhs); 333 334template <class BiIter> 335 bool 336 operator<=(typename iterator_traits<BiIter>::value_type const* lhs, 337 const sub_match<BiIter>& rhs); 338 339template <class BiIter> 340 bool 341 operator==(const sub_match<BiIter>& lhs, 342 typename iterator_traits<BiIter>::value_type const* rhs); 343 344template <class BiIter> 345 bool 346 operator!=(const sub_match<BiIter>& lhs, 347 typename iterator_traits<BiIter>::value_type const* rhs); 348 349template <class BiIter> 350 bool 351 operator<(const sub_match<BiIter>& lhs, 352 typename iterator_traits<BiIter>::value_type const* rhs); 353 354template <class BiIter> 355 bool 356 operator>(const sub_match<BiIter>& lhs, 357 typename iterator_traits<BiIter>::value_type const* rhs); 358 359template <class BiIter> 360 bool 361 operator>=(const sub_match<BiIter>& lhs, 362 typename iterator_traits<BiIter>::value_type const* rhs); 363 364template <class BiIter> 365 bool 366 operator<=(const sub_match<BiIter>& lhs, 367 typename iterator_traits<BiIter>::value_type const* rhs); 368 369template <class BiIter> 370 bool 371 operator==(typename iterator_traits<BiIter>::value_type const& lhs, 372 const sub_match<BiIter>& rhs); 373 374template <class BiIter> 375 bool 376 operator!=(typename iterator_traits<BiIter>::value_type const& lhs, 377 const sub_match<BiIter>& rhs); 378 379template <class BiIter> 380 bool 381 operator<(typename iterator_traits<BiIter>::value_type const& lhs, 382 const sub_match<BiIter>& rhs); 383 384template <class BiIter> 385 bool 386 operator>(typename iterator_traits<BiIter>::value_type const& lhs, 387 const sub_match<BiIter>& rhs); 388 389template <class BiIter> 390 bool 391 operator>=(typename iterator_traits<BiIter>::value_type const& lhs, 392 const sub_match<BiIter>& rhs); 393 394template <class BiIter> 395 bool 396 operator<=(typename iterator_traits<BiIter>::value_type const& lhs, 397 const sub_match<BiIter>& rhs); 398 399template <class BiIter> 400 bool 401 operator==(const sub_match<BiIter>& lhs, 402 typename iterator_traits<BiIter>::value_type const& rhs); 403 404template <class BiIter> 405 bool 406 operator!=(const sub_match<BiIter>& lhs, 407 typename iterator_traits<BiIter>::value_type const& rhs); 408 409template <class BiIter> 410 bool 411 operator<(const sub_match<BiIter>& lhs, 412 typename iterator_traits<BiIter>::value_type const& rhs); 413 414template <class BiIter> 415 bool 416 operator>(const sub_match<BiIter>& lhs, 417 typename iterator_traits<BiIter>::value_type const& rhs); 418 419template <class BiIter> 420 bool 421 operator>=(const sub_match<BiIter>& lhs, 422 typename iterator_traits<BiIter>::value_type const& rhs); 423 424template <class BiIter> 425 bool 426 operator<=(const sub_match<BiIter>& lhs, 427 typename iterator_traits<BiIter>::value_type const& rhs); 428 429template <class charT, class ST, class BiIter> 430 basic_ostream<charT, ST>& 431 operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m); 432 433template <class BidirectionalIterator, 434 class Allocator = allocator<sub_match<BidirectionalIterator>>> 435class match_results 436{ 437public: 438 typedef sub_match<BidirectionalIterator> value_type; 439 typedef const value_type& const_reference; 440 typedef value_type& reference; 441 typedef /implementation-defined/ const_iterator; 442 typedef const_iterator iterator; 443 typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; 444 typedef typename allocator_traits<Allocator>::size_type size_type; 445 typedef Allocator allocator_type; 446 typedef typename iterator_traits<BidirectionalIterator>::value_type char_type; 447 typedef basic_string<char_type> string_type; 448 449 // construct/copy/destroy: 450 explicit match_results(const Allocator& a = Allocator()); 451 match_results(const match_results& m); 452 match_results(match_results&& m) noexcept; 453 match_results& operator=(const match_results& m); 454 match_results& operator=(match_results&& m); 455 ~match_results(); 456 457 bool ready() const; 458 459 // size: 460 size_type size() const; 461 size_type max_size() const; 462 bool empty() const; 463 464 // element access: 465 difference_type length(size_type sub = 0) const; 466 difference_type position(size_type sub = 0) const; 467 string_type str(size_type sub = 0) const; 468 const_reference operator[](size_type n) const; 469 470 const_reference prefix() const; 471 const_reference suffix() const; 472 473 const_iterator begin() const; 474 const_iterator end() const; 475 const_iterator cbegin() const; 476 const_iterator cend() const; 477 478 // format: 479 template <class OutputIter> 480 OutputIter 481 format(OutputIter out, const char_type* fmt_first, 482 const char_type* fmt_last, 483 regex_constants::match_flag_type flags = regex_constants::format_default) const; 484 template <class OutputIter, class ST, class SA> 485 OutputIter 486 format(OutputIter out, const basic_string<char_type, ST, SA>& fmt, 487 regex_constants::match_flag_type flags = regex_constants::format_default) const; 488 template <class ST, class SA> 489 basic_string<char_type, ST, SA> 490 format(const basic_string<char_type, ST, SA>& fmt, 491 regex_constants::match_flag_type flags = regex_constants::format_default) const; 492 string_type 493 format(const char_type* fmt, 494 regex_constants::match_flag_type flags = regex_constants::format_default) const; 495 496 // allocator: 497 allocator_type get_allocator() const; 498 499 // swap: 500 void swap(match_results& that); 501}; 502 503typedef match_results<const char*> cmatch; 504typedef match_results<const wchar_t*> wcmatch; 505typedef match_results<string::const_iterator> smatch; 506typedef match_results<wstring::const_iterator> wsmatch; 507 508template <class BidirectionalIterator, class Allocator> 509 bool 510 operator==(const match_results<BidirectionalIterator, Allocator>& m1, 511 const match_results<BidirectionalIterator, Allocator>& m2); 512 513template <class BidirectionalIterator, class Allocator> 514 bool 515 operator!=(const match_results<BidirectionalIterator, Allocator>& m1, 516 const match_results<BidirectionalIterator, Allocator>& m2); 517 518template <class BidirectionalIterator, class Allocator> 519 void 520 swap(match_results<BidirectionalIterator, Allocator>& m1, 521 match_results<BidirectionalIterator, Allocator>& m2); 522 523template <class BidirectionalIterator, class Allocator, class charT, class traits> 524 bool 525 regex_match(BidirectionalIterator first, BidirectionalIterator last, 526 match_results<BidirectionalIterator, Allocator>& m, 527 const basic_regex<charT, traits>& e, 528 regex_constants::match_flag_type flags = regex_constants::match_default); 529 530template <class BidirectionalIterator, class charT, class traits> 531 bool 532 regex_match(BidirectionalIterator first, BidirectionalIterator last, 533 const basic_regex<charT, traits>& e, 534 regex_constants::match_flag_type flags = regex_constants::match_default); 535 536template <class charT, class Allocator, class traits> 537 bool 538 regex_match(const charT* str, match_results<const charT*, Allocator>& m, 539 const basic_regex<charT, traits>& e, 540 regex_constants::match_flag_type flags = regex_constants::match_default); 541 542template <class ST, class SA, class Allocator, class charT, class traits> 543 bool 544 regex_match(const basic_string<charT, ST, SA>& s, 545 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 546 const basic_regex<charT, traits>& e, 547 regex_constants::match_flag_type flags = regex_constants::match_default); 548 549template <class ST, class SA, class Allocator, class charT, class traits> 550 bool 551 regex_match(const basic_string<charT, ST, SA>&& s, 552 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 553 const basic_regex<charT, traits>& e, 554 regex_constants::match_flag_type flags = regex_constants::match_default) = delete; // C++14 555 556template <class charT, class traits> 557 bool 558 regex_match(const charT* str, const basic_regex<charT, traits>& e, 559 regex_constants::match_flag_type flags = regex_constants::match_default); 560 561template <class ST, class SA, class charT, class traits> 562 bool 563 regex_match(const basic_string<charT, ST, SA>& s, 564 const basic_regex<charT, traits>& e, 565 regex_constants::match_flag_type flags = regex_constants::match_default); 566 567template <class BidirectionalIterator, class Allocator, class charT, class traits> 568 bool 569 regex_search(BidirectionalIterator first, BidirectionalIterator last, 570 match_results<BidirectionalIterator, Allocator>& m, 571 const basic_regex<charT, traits>& e, 572 regex_constants::match_flag_type flags = regex_constants::match_default); 573 574template <class BidirectionalIterator, class charT, class traits> 575 bool 576 regex_search(BidirectionalIterator first, BidirectionalIterator last, 577 const basic_regex<charT, traits>& e, 578 regex_constants::match_flag_type flags = regex_constants::match_default); 579 580template <class charT, class Allocator, class traits> 581 bool 582 regex_search(const charT* str, match_results<const charT*, Allocator>& m, 583 const basic_regex<charT, traits>& e, 584 regex_constants::match_flag_type flags = regex_constants::match_default); 585 586template <class charT, class traits> 587 bool 588 regex_search(const charT* str, const basic_regex<charT, traits>& e, 589 regex_constants::match_flag_type flags = regex_constants::match_default); 590 591template <class ST, class SA, class charT, class traits> 592 bool 593 regex_search(const basic_string<charT, ST, SA>& s, 594 const basic_regex<charT, traits>& e, 595 regex_constants::match_flag_type flags = regex_constants::match_default); 596 597template <class ST, class SA, class Allocator, class charT, class traits> 598 bool 599 regex_search(const basic_string<charT, ST, SA>& s, 600 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 601 const basic_regex<charT, traits>& e, 602 regex_constants::match_flag_type flags = regex_constants::match_default); 603 604template <class ST, class SA, class Allocator, class charT, class traits> 605 bool 606 regex_search(const basic_string<charT, ST, SA>&& s, 607 match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, 608 const basic_regex<charT, traits>& e, 609 regex_constants::match_flag_type flags = regex_constants::match_default) = delete; // C++14 610 611template <class OutputIterator, class BidirectionalIterator, 612 class traits, class charT, class ST, class SA> 613 OutputIterator 614 regex_replace(OutputIterator out, 615 BidirectionalIterator first, BidirectionalIterator last, 616 const basic_regex<charT, traits>& e, 617 const basic_string<charT, ST, SA>& fmt, 618 regex_constants::match_flag_type flags = regex_constants::match_default); 619 620template <class OutputIterator, class BidirectionalIterator, 621 class traits, class charT> 622 OutputIterator 623 regex_replace(OutputIterator out, 624 BidirectionalIterator first, BidirectionalIterator last, 625 const basic_regex<charT, traits>& e, const charT* fmt, 626 regex_constants::match_flag_type flags = regex_constants::match_default); 627 628template <class traits, class charT, class ST, class SA, class FST, class FSA>> 629 basic_string<charT, ST, SA> 630 regex_replace(const basic_string<charT, ST, SA>& s, 631 const basic_regex<charT, traits>& e, 632 const basic_string<charT, FST, FSA>& fmt, 633 regex_constants::match_flag_type flags = regex_constants::match_default); 634 635template <class traits, class charT, class ST, class SA> 636 basic_string<charT, ST, SA> 637 regex_replace(const basic_string<charT, ST, SA>& s, 638 const basic_regex<charT, traits>& e, const charT* fmt, 639 regex_constants::match_flag_type flags = regex_constants::match_default); 640 641template <class traits, class charT, class ST, class SA> 642 basic_string<charT> 643 regex_replace(const charT* s, 644 const basic_regex<charT, traits>& e, 645 const basic_string<charT, ST, SA>& fmt, 646 regex_constants::match_flag_type flags = regex_constants::match_default); 647 648template <class traits, class charT> 649 basic_string<charT> 650 regex_replace(const charT* s, 651 const basic_regex<charT, traits>& e, 652 const charT* fmt, 653 regex_constants::match_flag_type flags = regex_constants::match_default); 654 655template <class BidirectionalIterator, 656 class charT = typename iterator_traits< BidirectionalIterator>::value_type, 657 class traits = regex_traits<charT>> 658class regex_iterator 659{ 660public: 661 typedef basic_regex<charT, traits> regex_type; 662 typedef match_results<BidirectionalIterator> value_type; 663 typedef ptrdiff_t difference_type; 664 typedef const value_type* pointer; 665 typedef const value_type& reference; 666 typedef forward_iterator_tag iterator_category; 667 668 regex_iterator(); 669 regex_iterator(BidirectionalIterator a, BidirectionalIterator b, 670 const regex_type& re, 671 regex_constants::match_flag_type m = regex_constants::match_default); 672 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 673 const regex_type&& __re, 674 regex_constants::match_flag_type __m 675 = regex_constants::match_default) = delete; // C++14 676 regex_iterator(const regex_iterator&); 677 regex_iterator& operator=(const regex_iterator&); 678 679 bool operator==(const regex_iterator&) const; 680 bool operator!=(const regex_iterator&) const; 681 682 const value_type& operator*() const; 683 const value_type* operator->() const; 684 685 regex_iterator& operator++(); 686 regex_iterator operator++(int); 687}; 688 689typedef regex_iterator<const char*> cregex_iterator; 690typedef regex_iterator<const wchar_t*> wcregex_iterator; 691typedef regex_iterator<string::const_iterator> sregex_iterator; 692typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 693 694template <class BidirectionalIterator, 695 class charT = typename iterator_traits< BidirectionalIterator>::value_type, 696 class traits = regex_traits<charT>> 697class regex_token_iterator 698{ 699public: 700 typedef basic_regex<charT, traits> regex_type; 701 typedef sub_match<BidirectionalIterator> value_type; 702 typedef ptrdiff_t difference_type; 703 typedef const value_type* pointer; 704 typedef const value_type& reference; 705 typedef forward_iterator_tag iterator_category; 706 707 regex_token_iterator(); 708 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 709 const regex_type& re, int submatch = 0, 710 regex_constants::match_flag_type m = regex_constants::match_default); 711 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 712 const regex_type&& re, int submatch = 0, 713 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 714 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 715 const regex_type& re, const vector<int>& submatches, 716 regex_constants::match_flag_type m = regex_constants::match_default); 717 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 718 const regex_type&& re, const vector<int>& submatches, 719 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 720 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 721 const regex_type& re, initializer_list<int> submatches, 722 regex_constants::match_flag_type m = regex_constants::match_default); 723 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 724 const regex_type&& re, initializer_list<int> submatches, 725 regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14 726 template <size_t N> 727 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 728 const regex_type& re, const int (&submatches)[N], 729 regex_constants::match_flag_type m = regex_constants::match_default); 730 template <size_t N> 731 regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 732 const regex_type& re, const int (&submatches)[N], 733 regex_constants::match_flag_type m = regex_constants::match_default) = delete // C++14; 734 regex_token_iterator(const regex_token_iterator&); 735 regex_token_iterator& operator=(const regex_token_iterator&); 736 737 bool operator==(const regex_token_iterator&) const; 738 bool operator!=(const regex_token_iterator&) const; 739 740 const value_type& operator*() const; 741 const value_type* operator->() const; 742 743 regex_token_iterator& operator++(); 744 regex_token_iterator operator++(int); 745}; 746 747typedef regex_token_iterator<const char*> cregex_token_iterator; 748typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 749typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 750typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 751 752} // std 753*/ 754 755#include <__config> 756#include <stdexcept> 757#include <__locale> 758#include <initializer_list> 759#include <utility> 760#include <iterator> 761#include <string> 762#include <memory> 763#include <vector> 764#include <deque> 765 766#include <__undef_min_max> 767 768#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 769#pragma GCC system_header 770#endif 771 772_LIBCPP_BEGIN_NAMESPACE_STD 773 774namespace regex_constants 775{ 776 777// syntax_option_type 778 779enum syntax_option_type 780{ 781 icase = 1 << 0, 782 nosubs = 1 << 1, 783 optimize = 1 << 2, 784 collate = 1 << 3, 785 ECMAScript = 0, 786 basic = 1 << 4, 787 extended = 1 << 5, 788 awk = 1 << 6, 789 grep = 1 << 7, 790 egrep = 1 << 8 791}; 792 793inline _LIBCPP_INLINE_VISIBILITY 794_LIBCPP_CONSTEXPR 795syntax_option_type 796operator~(syntax_option_type __x) 797{ 798 return syntax_option_type(~int(__x) & 0x1FF); 799} 800 801inline _LIBCPP_INLINE_VISIBILITY 802_LIBCPP_CONSTEXPR 803syntax_option_type 804operator&(syntax_option_type __x, syntax_option_type __y) 805{ 806 return syntax_option_type(int(__x) & int(__y)); 807} 808 809inline _LIBCPP_INLINE_VISIBILITY 810_LIBCPP_CONSTEXPR 811syntax_option_type 812operator|(syntax_option_type __x, syntax_option_type __y) 813{ 814 return syntax_option_type(int(__x) | int(__y)); 815} 816 817inline _LIBCPP_INLINE_VISIBILITY 818_LIBCPP_CONSTEXPR 819syntax_option_type 820operator^(syntax_option_type __x, syntax_option_type __y) 821{ 822 return syntax_option_type(int(__x) ^ int(__y)); 823} 824 825inline _LIBCPP_INLINE_VISIBILITY 826syntax_option_type& 827operator&=(syntax_option_type& __x, syntax_option_type __y) 828{ 829 __x = __x & __y; 830 return __x; 831} 832 833inline _LIBCPP_INLINE_VISIBILITY 834syntax_option_type& 835operator|=(syntax_option_type& __x, syntax_option_type __y) 836{ 837 __x = __x | __y; 838 return __x; 839} 840 841inline _LIBCPP_INLINE_VISIBILITY 842syntax_option_type& 843operator^=(syntax_option_type& __x, syntax_option_type __y) 844{ 845 __x = __x ^ __y; 846 return __x; 847} 848 849// match_flag_type 850 851enum match_flag_type 852{ 853 match_default = 0, 854 match_not_bol = 1 << 0, 855 match_not_eol = 1 << 1, 856 match_not_bow = 1 << 2, 857 match_not_eow = 1 << 3, 858 match_any = 1 << 4, 859 match_not_null = 1 << 5, 860 match_continuous = 1 << 6, 861 match_prev_avail = 1 << 7, 862 format_default = 0, 863 format_sed = 1 << 8, 864 format_no_copy = 1 << 9, 865 format_first_only = 1 << 10, 866 __no_update_pos = 1 << 11 867}; 868 869inline _LIBCPP_INLINE_VISIBILITY 870_LIBCPP_CONSTEXPR 871match_flag_type 872operator~(match_flag_type __x) 873{ 874 return match_flag_type(~int(__x) & 0x0FFF); 875} 876 877inline _LIBCPP_INLINE_VISIBILITY 878_LIBCPP_CONSTEXPR 879match_flag_type 880operator&(match_flag_type __x, match_flag_type __y) 881{ 882 return match_flag_type(int(__x) & int(__y)); 883} 884 885inline _LIBCPP_INLINE_VISIBILITY 886_LIBCPP_CONSTEXPR 887match_flag_type 888operator|(match_flag_type __x, match_flag_type __y) 889{ 890 return match_flag_type(int(__x) | int(__y)); 891} 892 893inline _LIBCPP_INLINE_VISIBILITY 894_LIBCPP_CONSTEXPR 895match_flag_type 896operator^(match_flag_type __x, match_flag_type __y) 897{ 898 return match_flag_type(int(__x) ^ int(__y)); 899} 900 901inline _LIBCPP_INLINE_VISIBILITY 902match_flag_type& 903operator&=(match_flag_type& __x, match_flag_type __y) 904{ 905 __x = __x & __y; 906 return __x; 907} 908 909inline _LIBCPP_INLINE_VISIBILITY 910match_flag_type& 911operator|=(match_flag_type& __x, match_flag_type __y) 912{ 913 __x = __x | __y; 914 return __x; 915} 916 917inline _LIBCPP_INLINE_VISIBILITY 918match_flag_type& 919operator^=(match_flag_type& __x, match_flag_type __y) 920{ 921 __x = __x ^ __y; 922 return __x; 923} 924 925enum error_type 926{ 927 error_collate = 1, 928 error_ctype, 929 error_escape, 930 error_backref, 931 error_brack, 932 error_paren, 933 error_brace, 934 error_badbrace, 935 error_range, 936 error_space, 937 error_badrepeat, 938 error_complexity, 939 error_stack, 940 __re_err_grammar, 941 __re_err_empty, 942 __re_err_unknown 943}; 944 945} // regex_constants 946 947class _LIBCPP_EXCEPTION_ABI regex_error 948 : public runtime_error 949{ 950 regex_constants::error_type __code_; 951public: 952 explicit regex_error(regex_constants::error_type __ecode); 953 virtual ~regex_error() throw(); 954 _LIBCPP_INLINE_VISIBILITY 955 regex_constants::error_type code() const {return __code_;} 956}; 957 958template <class _CharT> 959struct _LIBCPP_TYPE_VIS_ONLY regex_traits 960{ 961public: 962 typedef _CharT char_type; 963 typedef basic_string<char_type> string_type; 964 typedef locale locale_type; 965 typedef ctype_base::mask char_class_type; 966 967 static const char_class_type __regex_word = 0x80; 968private: 969 locale __loc_; 970 const ctype<char_type>* __ct_; 971 const collate<char_type>* __col_; 972 973public: 974 regex_traits(); 975 976 _LIBCPP_INLINE_VISIBILITY 977 static size_t length(const char_type* __p) 978 {return char_traits<char_type>::length(__p);} 979 _LIBCPP_INLINE_VISIBILITY 980 char_type translate(char_type __c) const {return __c;} 981 char_type translate_nocase(char_type __c) const; 982 template <class _ForwardIterator> 983 string_type 984 transform(_ForwardIterator __f, _ForwardIterator __l) const; 985 template <class _ForwardIterator> 986 _LIBCPP_INLINE_VISIBILITY 987 string_type 988 transform_primary( _ForwardIterator __f, _ForwardIterator __l) const 989 {return __transform_primary(__f, __l, char_type());} 990 template <class _ForwardIterator> 991 _LIBCPP_INLINE_VISIBILITY 992 string_type 993 lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const 994 {return __lookup_collatename(__f, __l, char_type());} 995 template <class _ForwardIterator> 996 _LIBCPP_INLINE_VISIBILITY 997 char_class_type 998 lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 999 bool __icase = false) const 1000 {return __lookup_classname(__f, __l, __icase, char_type());} 1001 bool isctype(char_type __c, char_class_type __m) const; 1002 _LIBCPP_INLINE_VISIBILITY 1003 int value(char_type __ch, int __radix) const 1004 {return __regex_traits_value(__ch, __radix);} 1005 locale_type imbue(locale_type __l); 1006 _LIBCPP_INLINE_VISIBILITY 1007 locale_type getloc()const {return __loc_;} 1008 1009private: 1010 void __init(); 1011 1012 template <class _ForwardIterator> 1013 string_type 1014 __transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const; 1015 template <class _ForwardIterator> 1016 string_type 1017 __transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; 1018 1019 template <class _ForwardIterator> 1020 string_type 1021 __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const; 1022 template <class _ForwardIterator> 1023 string_type 1024 __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; 1025 1026 template <class _ForwardIterator> 1027 char_class_type 1028 __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 1029 bool __icase, char) const; 1030 template <class _ForwardIterator> 1031 char_class_type 1032 __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, 1033 bool __icase, wchar_t) const; 1034 1035 static int __regex_traits_value(unsigned char __ch, int __radix); 1036 _LIBCPP_INLINE_VISIBILITY 1037 int __regex_traits_value(char __ch, int __radix) const 1038 {return __regex_traits_value(static_cast<unsigned char>(__ch), __radix);} 1039 int __regex_traits_value(wchar_t __ch, int __radix) const; 1040}; 1041 1042template <class _CharT> 1043const typename regex_traits<_CharT>::char_class_type 1044regex_traits<_CharT>::__regex_word; 1045 1046template <class _CharT> 1047regex_traits<_CharT>::regex_traits() 1048{ 1049 __init(); 1050} 1051 1052template <class _CharT> 1053typename regex_traits<_CharT>::char_type 1054regex_traits<_CharT>::translate_nocase(char_type __c) const 1055{ 1056 return __ct_->tolower(__c); 1057} 1058 1059template <class _CharT> 1060template <class _ForwardIterator> 1061typename regex_traits<_CharT>::string_type 1062regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const 1063{ 1064 string_type __s(__f, __l); 1065 return __col_->transform(__s.data(), __s.data() + __s.size()); 1066} 1067 1068template <class _CharT> 1069void 1070regex_traits<_CharT>::__init() 1071{ 1072 __ct_ = &use_facet<ctype<char_type> >(__loc_); 1073 __col_ = &use_facet<collate<char_type> >(__loc_); 1074} 1075 1076template <class _CharT> 1077typename regex_traits<_CharT>::locale_type 1078regex_traits<_CharT>::imbue(locale_type __l) 1079{ 1080 locale __r = __loc_; 1081 __loc_ = __l; 1082 __init(); 1083 return __r; 1084} 1085 1086// transform_primary is very FreeBSD-specific 1087 1088template <class _CharT> 1089template <class _ForwardIterator> 1090typename regex_traits<_CharT>::string_type 1091regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, 1092 _ForwardIterator __l, char) const 1093{ 1094 const string_type __s(__f, __l); 1095 string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); 1096 switch (__d.size()) 1097 { 1098 case 1: 1099 break; 1100 case 12: 1101 __d[11] = __d[3]; 1102 break; 1103 default: 1104 __d.clear(); 1105 break; 1106 } 1107 return __d; 1108} 1109 1110template <class _CharT> 1111template <class _ForwardIterator> 1112typename regex_traits<_CharT>::string_type 1113regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, 1114 _ForwardIterator __l, wchar_t) 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 3: 1123 __d[2] = __d[0]; 1124 break; 1125 default: 1126 __d.clear(); 1127 break; 1128 } 1129 return __d; 1130} 1131 1132// lookup_collatename is very FreeBSD-specific 1133 1134_LIBCPP_FUNC_VIS string __get_collation_name(const char* __s); 1135 1136template <class _CharT> 1137template <class _ForwardIterator> 1138typename regex_traits<_CharT>::string_type 1139regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, 1140 _ForwardIterator __l, char) const 1141{ 1142 string_type __s(__f, __l); 1143 string_type __r; 1144 if (!__s.empty()) 1145 { 1146 __r = __get_collation_name(__s.c_str()); 1147 if (__r.empty() && __s.size() <= 2) 1148 { 1149 __r = __col_->transform(__s.data(), __s.data() + __s.size()); 1150 if (__r.size() == 1 || __r.size() == 12) 1151 __r = __s; 1152 else 1153 __r.clear(); 1154 } 1155 } 1156 return __r; 1157} 1158 1159template <class _CharT> 1160template <class _ForwardIterator> 1161typename regex_traits<_CharT>::string_type 1162regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, 1163 _ForwardIterator __l, wchar_t) const 1164{ 1165 string_type __s(__f, __l); 1166 string __n; 1167 __n.reserve(__s.size()); 1168 for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); 1169 __i != __e; ++__i) 1170 { 1171 if (static_cast<unsigned>(*__i) >= 127) 1172 return string_type(); 1173 __n.push_back(char(*__i)); 1174 } 1175 string_type __r; 1176 if (!__s.empty()) 1177 { 1178 __n = __get_collation_name(__n.c_str()); 1179 if (!__n.empty()) 1180 __r.assign(__n.begin(), __n.end()); 1181 else if (__s.size() <= 2) 1182 { 1183 __r = __col_->transform(__s.data(), __s.data() + __s.size()); 1184 if (__r.size() == 1 || __r.size() == 3) 1185 __r = __s; 1186 else 1187 __r.clear(); 1188 } 1189 } 1190 return __r; 1191} 1192 1193// lookup_classname 1194 1195ctype_base::mask _LIBCPP_FUNC_VIS __get_classname(const char* __s, bool __icase); 1196 1197template <class _CharT> 1198template <class _ForwardIterator> 1199typename regex_traits<_CharT>::char_class_type 1200regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, 1201 _ForwardIterator __l, 1202 bool __icase, char) const 1203{ 1204 string_type __s(__f, __l); 1205 __ct_->tolower(&__s[0], &__s[0] + __s.size()); 1206 return __get_classname(__s.c_str(), __icase); 1207} 1208 1209template <class _CharT> 1210template <class _ForwardIterator> 1211typename regex_traits<_CharT>::char_class_type 1212regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, 1213 _ForwardIterator __l, 1214 bool __icase, wchar_t) const 1215{ 1216 string_type __s(__f, __l); 1217 __ct_->tolower(&__s[0], &__s[0] + __s.size()); 1218 string __n; 1219 __n.reserve(__s.size()); 1220 for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); 1221 __i != __e; ++__i) 1222 { 1223 if (static_cast<unsigned>(*__i) >= 127) 1224 return char_class_type(); 1225 __n.push_back(char(*__i)); 1226 } 1227 return __get_classname(__n.c_str(), __icase); 1228} 1229 1230template <class _CharT> 1231bool 1232regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const 1233{ 1234 if (__ct_->is(__m, __c)) 1235 return true; 1236 return (__c == '_' && (__m & __regex_word)); 1237} 1238 1239template <class _CharT> 1240int 1241regex_traits<_CharT>::__regex_traits_value(unsigned char __ch, int __radix) 1242{ 1243 if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7' 1244 return __ch - '0'; 1245 if (__radix != 8) 1246 { 1247 if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9' 1248 return __ch - '0'; 1249 if (__radix == 16) 1250 { 1251 __ch |= 0x20; // tolower 1252 if ('a' <= __ch && __ch <= 'f') 1253 return __ch - ('a' - 10); 1254 } 1255 } 1256 return -1; 1257} 1258 1259template <class _CharT> 1260inline _LIBCPP_INLINE_VISIBILITY 1261int 1262regex_traits<_CharT>::__regex_traits_value(wchar_t __ch, int __radix) const 1263{ 1264 return __regex_traits_value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix); 1265} 1266 1267template <class _CharT> class __node; 1268 1269template <class _BidirectionalIterator> class _LIBCPP_TYPE_VIS_ONLY sub_match; 1270 1271template <class _BidirectionalIterator, 1272 class _Allocator = allocator<sub_match<_BidirectionalIterator> > > 1273class _LIBCPP_TYPE_VIS_ONLY match_results; 1274 1275template <class _CharT> 1276struct __state 1277{ 1278 enum 1279 { 1280 __end_state = -1000, 1281 __consume_input, // -999 1282 __begin_marked_expr, // -998 1283 __end_marked_expr, // -997 1284 __pop_state, // -996 1285 __accept_and_consume, // -995 1286 __accept_but_not_consume, // -994 1287 __reject, // -993 1288 __split, 1289 __repeat 1290 }; 1291 1292 int __do_; 1293 const _CharT* __first_; 1294 const _CharT* __current_; 1295 const _CharT* __last_; 1296 vector<sub_match<const _CharT*> > __sub_matches_; 1297 vector<pair<size_t, const _CharT*> > __loop_data_; 1298 const __node<_CharT>* __node_; 1299 regex_constants::match_flag_type __flags_; 1300 bool __at_first_; 1301 1302 _LIBCPP_INLINE_VISIBILITY 1303 __state() 1304 : __do_(0), __first_(nullptr), __current_(nullptr), __last_(nullptr), 1305 __node_(nullptr), __flags_() {} 1306}; 1307 1308// __node 1309 1310template <class _CharT> 1311class __node 1312{ 1313 __node(const __node&); 1314 __node& operator=(const __node&); 1315public: 1316 typedef _VSTD::__state<_CharT> __state; 1317 1318 _LIBCPP_INLINE_VISIBILITY 1319 __node() {} 1320 _LIBCPP_INLINE_VISIBILITY 1321 virtual ~__node() {} 1322 1323 _LIBCPP_INLINE_VISIBILITY 1324 virtual void __exec(__state&) const {}; 1325 _LIBCPP_INLINE_VISIBILITY 1326 virtual void __exec_split(bool, __state&) const {}; 1327}; 1328 1329// __end_state 1330 1331template <class _CharT> 1332class __end_state 1333 : public __node<_CharT> 1334{ 1335public: 1336 typedef _VSTD::__state<_CharT> __state; 1337 1338 _LIBCPP_INLINE_VISIBILITY 1339 __end_state() {} 1340 1341 virtual void __exec(__state&) const; 1342}; 1343 1344template <class _CharT> 1345void 1346__end_state<_CharT>::__exec(__state& __s) const 1347{ 1348 __s.__do_ = __state::__end_state; 1349} 1350 1351// __has_one_state 1352 1353template <class _CharT> 1354class __has_one_state 1355 : public __node<_CharT> 1356{ 1357 __node<_CharT>* __first_; 1358 1359public: 1360 _LIBCPP_INLINE_VISIBILITY 1361 explicit __has_one_state(__node<_CharT>* __s) 1362 : __first_(__s) {} 1363 1364 _LIBCPP_INLINE_VISIBILITY 1365 __node<_CharT>* first() const {return __first_;} 1366 _LIBCPP_INLINE_VISIBILITY 1367 __node<_CharT>*& first() {return __first_;} 1368}; 1369 1370// __owns_one_state 1371 1372template <class _CharT> 1373class __owns_one_state 1374 : public __has_one_state<_CharT> 1375{ 1376 typedef __has_one_state<_CharT> base; 1377 1378public: 1379 _LIBCPP_INLINE_VISIBILITY 1380 explicit __owns_one_state(__node<_CharT>* __s) 1381 : base(__s) {} 1382 1383 virtual ~__owns_one_state(); 1384}; 1385 1386template <class _CharT> 1387__owns_one_state<_CharT>::~__owns_one_state() 1388{ 1389 delete this->first(); 1390} 1391 1392// __empty_state 1393 1394template <class _CharT> 1395class __empty_state 1396 : public __owns_one_state<_CharT> 1397{ 1398 typedef __owns_one_state<_CharT> base; 1399 1400public: 1401 typedef _VSTD::__state<_CharT> __state; 1402 1403 _LIBCPP_INLINE_VISIBILITY 1404 explicit __empty_state(__node<_CharT>* __s) 1405 : base(__s) {} 1406 1407 virtual void __exec(__state&) const; 1408}; 1409 1410template <class _CharT> 1411void 1412__empty_state<_CharT>::__exec(__state& __s) const 1413{ 1414 __s.__do_ = __state::__accept_but_not_consume; 1415 __s.__node_ = this->first(); 1416} 1417 1418// __empty_non_own_state 1419 1420template <class _CharT> 1421class __empty_non_own_state 1422 : public __has_one_state<_CharT> 1423{ 1424 typedef __has_one_state<_CharT> base; 1425 1426public: 1427 typedef _VSTD::__state<_CharT> __state; 1428 1429 _LIBCPP_INLINE_VISIBILITY 1430 explicit __empty_non_own_state(__node<_CharT>* __s) 1431 : base(__s) {} 1432 1433 virtual void __exec(__state&) const; 1434}; 1435 1436template <class _CharT> 1437void 1438__empty_non_own_state<_CharT>::__exec(__state& __s) const 1439{ 1440 __s.__do_ = __state::__accept_but_not_consume; 1441 __s.__node_ = this->first(); 1442} 1443 1444// __repeat_one_loop 1445 1446template <class _CharT> 1447class __repeat_one_loop 1448 : public __has_one_state<_CharT> 1449{ 1450 typedef __has_one_state<_CharT> base; 1451 1452public: 1453 typedef _VSTD::__state<_CharT> __state; 1454 1455 _LIBCPP_INLINE_VISIBILITY 1456 explicit __repeat_one_loop(__node<_CharT>* __s) 1457 : base(__s) {} 1458 1459 virtual void __exec(__state&) const; 1460}; 1461 1462template <class _CharT> 1463void 1464__repeat_one_loop<_CharT>::__exec(__state& __s) const 1465{ 1466 __s.__do_ = __state::__repeat; 1467 __s.__node_ = this->first(); 1468} 1469 1470// __owns_two_states 1471 1472template <class _CharT> 1473class __owns_two_states 1474 : public __owns_one_state<_CharT> 1475{ 1476 typedef __owns_one_state<_CharT> base; 1477 1478 base* __second_; 1479 1480public: 1481 _LIBCPP_INLINE_VISIBILITY 1482 explicit __owns_two_states(__node<_CharT>* __s1, base* __s2) 1483 : base(__s1), __second_(__s2) {} 1484 1485 virtual ~__owns_two_states(); 1486 1487 _LIBCPP_INLINE_VISIBILITY 1488 base* second() const {return __second_;} 1489 _LIBCPP_INLINE_VISIBILITY 1490 base*& second() {return __second_;} 1491}; 1492 1493template <class _CharT> 1494__owns_two_states<_CharT>::~__owns_two_states() 1495{ 1496 delete __second_; 1497} 1498 1499// __loop 1500 1501template <class _CharT> 1502class __loop 1503 : public __owns_two_states<_CharT> 1504{ 1505 typedef __owns_two_states<_CharT> base; 1506 1507 size_t __min_; 1508 size_t __max_; 1509 unsigned __loop_id_; 1510 unsigned __mexp_begin_; 1511 unsigned __mexp_end_; 1512 bool __greedy_; 1513 1514public: 1515 typedef _VSTD::__state<_CharT> __state; 1516 1517 _LIBCPP_INLINE_VISIBILITY 1518 explicit __loop(unsigned __loop_id, 1519 __node<_CharT>* __s1, __owns_one_state<_CharT>* __s2, 1520 unsigned __mexp_begin, unsigned __mexp_end, 1521 bool __greedy = true, 1522 size_t __min = 0, 1523 size_t __max = numeric_limits<size_t>::max()) 1524 : base(__s1, __s2), __min_(__min), __max_(__max), __loop_id_(__loop_id), 1525 __mexp_begin_(__mexp_begin), __mexp_end_(__mexp_end), 1526 __greedy_(__greedy) {} 1527 1528 virtual void __exec(__state& __s) const; 1529 virtual void __exec_split(bool __second, __state& __s) const; 1530 1531private: 1532 _LIBCPP_INLINE_VISIBILITY 1533 void __init_repeat(__state& __s) const 1534 { 1535 __s.__loop_data_[__loop_id_].second = __s.__current_; 1536 for (size_t __i = __mexp_begin_-1; __i != __mexp_end_-1; ++__i) 1537 { 1538 __s.__sub_matches_[__i].first = __s.__last_; 1539 __s.__sub_matches_[__i].second = __s.__last_; 1540 __s.__sub_matches_[__i].matched = false; 1541 } 1542 } 1543}; 1544 1545template <class _CharT> 1546void 1547__loop<_CharT>::__exec(__state& __s) const 1548{ 1549 if (__s.__do_ == __state::__repeat) 1550 { 1551 bool __do_repeat = ++__s.__loop_data_[__loop_id_].first < __max_; 1552 bool __do_alt = __s.__loop_data_[__loop_id_].first >= __min_; 1553 if (__do_repeat && __do_alt && 1554 __s.__loop_data_[__loop_id_].second == __s.__current_) 1555 __do_repeat = false; 1556 if (__do_repeat && __do_alt) 1557 __s.__do_ = __state::__split; 1558 else if (__do_repeat) 1559 { 1560 __s.__do_ = __state::__accept_but_not_consume; 1561 __s.__node_ = this->first(); 1562 __init_repeat(__s); 1563 } 1564 else 1565 { 1566 __s.__do_ = __state::__accept_but_not_consume; 1567 __s.__node_ = this->second(); 1568 } 1569 } 1570 else 1571 { 1572 __s.__loop_data_[__loop_id_].first = 0; 1573 bool __do_repeat = 0 < __max_; 1574 bool __do_alt = 0 >= __min_; 1575 if (__do_repeat && __do_alt) 1576 __s.__do_ = __state::__split; 1577 else if (__do_repeat) 1578 { 1579 __s.__do_ = __state::__accept_but_not_consume; 1580 __s.__node_ = this->first(); 1581 __init_repeat(__s); 1582 } 1583 else 1584 { 1585 __s.__do_ = __state::__accept_but_not_consume; 1586 __s.__node_ = this->second(); 1587 } 1588 } 1589} 1590 1591template <class _CharT> 1592void 1593__loop<_CharT>::__exec_split(bool __second, __state& __s) const 1594{ 1595 __s.__do_ = __state::__accept_but_not_consume; 1596 if (__greedy_ != __second) 1597 { 1598 __s.__node_ = this->first(); 1599 __init_repeat(__s); 1600 } 1601 else 1602 __s.__node_ = this->second(); 1603} 1604 1605// __alternate 1606 1607template <class _CharT> 1608class __alternate 1609 : public __owns_two_states<_CharT> 1610{ 1611 typedef __owns_two_states<_CharT> base; 1612 1613public: 1614 typedef _VSTD::__state<_CharT> __state; 1615 1616 _LIBCPP_INLINE_VISIBILITY 1617 explicit __alternate(__owns_one_state<_CharT>* __s1, 1618 __owns_one_state<_CharT>* __s2) 1619 : base(__s1, __s2) {} 1620 1621 virtual void __exec(__state& __s) const; 1622 virtual void __exec_split(bool __second, __state& __s) const; 1623}; 1624 1625template <class _CharT> 1626void 1627__alternate<_CharT>::__exec(__state& __s) const 1628{ 1629 __s.__do_ = __state::__split; 1630} 1631 1632template <class _CharT> 1633void 1634__alternate<_CharT>::__exec_split(bool __second, __state& __s) const 1635{ 1636 __s.__do_ = __state::__accept_but_not_consume; 1637 if (__second) 1638 __s.__node_ = this->second(); 1639 else 1640 __s.__node_ = this->first(); 1641} 1642 1643// __begin_marked_subexpression 1644 1645template <class _CharT> 1646class __begin_marked_subexpression 1647 : public __owns_one_state<_CharT> 1648{ 1649 typedef __owns_one_state<_CharT> base; 1650 1651 unsigned __mexp_; 1652public: 1653 typedef _VSTD::__state<_CharT> __state; 1654 1655 _LIBCPP_INLINE_VISIBILITY 1656 explicit __begin_marked_subexpression(unsigned __mexp, __node<_CharT>* __s) 1657 : base(__s), __mexp_(__mexp) {} 1658 1659 virtual void __exec(__state&) const; 1660}; 1661 1662template <class _CharT> 1663void 1664__begin_marked_subexpression<_CharT>::__exec(__state& __s) const 1665{ 1666 __s.__do_ = __state::__accept_but_not_consume; 1667 __s.__sub_matches_[__mexp_-1].first = __s.__current_; 1668 __s.__node_ = this->first(); 1669} 1670 1671// __end_marked_subexpression 1672 1673template <class _CharT> 1674class __end_marked_subexpression 1675 : public __owns_one_state<_CharT> 1676{ 1677 typedef __owns_one_state<_CharT> base; 1678 1679 unsigned __mexp_; 1680public: 1681 typedef _VSTD::__state<_CharT> __state; 1682 1683 _LIBCPP_INLINE_VISIBILITY 1684 explicit __end_marked_subexpression(unsigned __mexp, __node<_CharT>* __s) 1685 : base(__s), __mexp_(__mexp) {} 1686 1687 virtual void __exec(__state&) const; 1688}; 1689 1690template <class _CharT> 1691void 1692__end_marked_subexpression<_CharT>::__exec(__state& __s) const 1693{ 1694 __s.__do_ = __state::__accept_but_not_consume; 1695 __s.__sub_matches_[__mexp_-1].second = __s.__current_; 1696 __s.__sub_matches_[__mexp_-1].matched = true; 1697 __s.__node_ = this->first(); 1698} 1699 1700// __back_ref 1701 1702template <class _CharT> 1703class __back_ref 1704 : public __owns_one_state<_CharT> 1705{ 1706 typedef __owns_one_state<_CharT> base; 1707 1708 unsigned __mexp_; 1709public: 1710 typedef _VSTD::__state<_CharT> __state; 1711 1712 _LIBCPP_INLINE_VISIBILITY 1713 explicit __back_ref(unsigned __mexp, __node<_CharT>* __s) 1714 : base(__s), __mexp_(__mexp) {} 1715 1716 virtual void __exec(__state&) const; 1717}; 1718 1719template <class _CharT> 1720void 1721__back_ref<_CharT>::__exec(__state& __s) const 1722{ 1723 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1724 if (__sm.matched) 1725 { 1726 ptrdiff_t __len = __sm.second - __sm.first; 1727 if (__s.__last_ - __s.__current_ >= __len && 1728 _VSTD::equal(__sm.first, __sm.second, __s.__current_)) 1729 { 1730 __s.__do_ = __state::__accept_but_not_consume; 1731 __s.__current_ += __len; 1732 __s.__node_ = this->first(); 1733 } 1734 else 1735 { 1736 __s.__do_ = __state::__reject; 1737 __s.__node_ = nullptr; 1738 } 1739 } 1740 else 1741 { 1742 __s.__do_ = __state::__reject; 1743 __s.__node_ = nullptr; 1744 } 1745} 1746 1747// __back_ref_icase 1748 1749template <class _CharT, class _Traits> 1750class __back_ref_icase 1751 : public __owns_one_state<_CharT> 1752{ 1753 typedef __owns_one_state<_CharT> base; 1754 1755 _Traits __traits_; 1756 unsigned __mexp_; 1757public: 1758 typedef _VSTD::__state<_CharT> __state; 1759 1760 _LIBCPP_INLINE_VISIBILITY 1761 explicit __back_ref_icase(const _Traits& __traits, unsigned __mexp, 1762 __node<_CharT>* __s) 1763 : base(__s), __traits_(__traits), __mexp_(__mexp) {} 1764 1765 virtual void __exec(__state&) const; 1766}; 1767 1768template <class _CharT, class _Traits> 1769void 1770__back_ref_icase<_CharT, _Traits>::__exec(__state& __s) const 1771{ 1772 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1773 if (__sm.matched) 1774 { 1775 ptrdiff_t __len = __sm.second - __sm.first; 1776 if (__s.__last_ - __s.__current_ >= __len) 1777 { 1778 for (ptrdiff_t __i = 0; __i < __len; ++__i) 1779 { 1780 if (__traits_.translate_nocase(__sm.first[__i]) != 1781 __traits_.translate_nocase(__s.__current_[__i])) 1782 goto __not_equal; 1783 } 1784 __s.__do_ = __state::__accept_but_not_consume; 1785 __s.__current_ += __len; 1786 __s.__node_ = this->first(); 1787 } 1788 else 1789 { 1790 __s.__do_ = __state::__reject; 1791 __s.__node_ = nullptr; 1792 } 1793 } 1794 else 1795 { 1796__not_equal: 1797 __s.__do_ = __state::__reject; 1798 __s.__node_ = nullptr; 1799 } 1800} 1801 1802// __back_ref_collate 1803 1804template <class _CharT, class _Traits> 1805class __back_ref_collate 1806 : public __owns_one_state<_CharT> 1807{ 1808 typedef __owns_one_state<_CharT> base; 1809 1810 _Traits __traits_; 1811 unsigned __mexp_; 1812public: 1813 typedef _VSTD::__state<_CharT> __state; 1814 1815 _LIBCPP_INLINE_VISIBILITY 1816 explicit __back_ref_collate(const _Traits& __traits, unsigned __mexp, 1817 __node<_CharT>* __s) 1818 : base(__s), __traits_(__traits), __mexp_(__mexp) {} 1819 1820 virtual void __exec(__state&) const; 1821}; 1822 1823template <class _CharT, class _Traits> 1824void 1825__back_ref_collate<_CharT, _Traits>::__exec(__state& __s) const 1826{ 1827 sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1]; 1828 if (__sm.matched) 1829 { 1830 ptrdiff_t __len = __sm.second - __sm.first; 1831 if (__s.__last_ - __s.__current_ >= __len) 1832 { 1833 for (ptrdiff_t __i = 0; __i < __len; ++__i) 1834 { 1835 if (__traits_.translate(__sm.first[__i]) != 1836 __traits_.translate(__s.__current_[__i])) 1837 goto __not_equal; 1838 } 1839 __s.__do_ = __state::__accept_but_not_consume; 1840 __s.__current_ += __len; 1841 __s.__node_ = this->first(); 1842 } 1843 else 1844 { 1845 __s.__do_ = __state::__reject; 1846 __s.__node_ = nullptr; 1847 } 1848 } 1849 else 1850 { 1851__not_equal: 1852 __s.__do_ = __state::__reject; 1853 __s.__node_ = nullptr; 1854 } 1855} 1856 1857// __word_boundary 1858 1859template <class _CharT, class _Traits> 1860class __word_boundary 1861 : public __owns_one_state<_CharT> 1862{ 1863 typedef __owns_one_state<_CharT> base; 1864 1865 _Traits __traits_; 1866 bool __invert_; 1867public: 1868 typedef _VSTD::__state<_CharT> __state; 1869 1870 _LIBCPP_INLINE_VISIBILITY 1871 explicit __word_boundary(const _Traits& __traits, bool __invert, 1872 __node<_CharT>* __s) 1873 : base(__s), __traits_(__traits), __invert_(__invert) {} 1874 1875 virtual void __exec(__state&) const; 1876}; 1877 1878template <class _CharT, class _Traits> 1879void 1880__word_boundary<_CharT, _Traits>::__exec(__state& __s) const 1881{ 1882 bool __is_word_b = false; 1883 if (__s.__first_ != __s.__last_) 1884 { 1885 if (__s.__current_ == __s.__last_) 1886 { 1887 if (!(__s.__flags_ & regex_constants::match_not_eow)) 1888 { 1889 _CharT __c = __s.__current_[-1]; 1890 __is_word_b = __c == '_' || 1891 __traits_.isctype(__c, ctype_base::alnum); 1892 } 1893 } 1894 else if (__s.__current_ == __s.__first_ && 1895 !(__s.__flags_ & regex_constants::match_prev_avail)) 1896 { 1897 if (!(__s.__flags_ & regex_constants::match_not_bow)) 1898 { 1899 _CharT __c = *__s.__current_; 1900 __is_word_b = __c == '_' || 1901 __traits_.isctype(__c, ctype_base::alnum); 1902 } 1903 } 1904 else 1905 { 1906 _CharT __c1 = __s.__current_[-1]; 1907 _CharT __c2 = *__s.__current_; 1908 bool __is_c1_b = __c1 == '_' || 1909 __traits_.isctype(__c1, ctype_base::alnum); 1910 bool __is_c2_b = __c2 == '_' || 1911 __traits_.isctype(__c2, ctype_base::alnum); 1912 __is_word_b = __is_c1_b != __is_c2_b; 1913 } 1914 } 1915 if (__is_word_b != __invert_) 1916 { 1917 __s.__do_ = __state::__accept_but_not_consume; 1918 __s.__node_ = this->first(); 1919 } 1920 else 1921 { 1922 __s.__do_ = __state::__reject; 1923 __s.__node_ = nullptr; 1924 } 1925} 1926 1927// __l_anchor 1928 1929template <class _CharT> 1930class __l_anchor 1931 : public __owns_one_state<_CharT> 1932{ 1933 typedef __owns_one_state<_CharT> base; 1934 1935public: 1936 typedef _VSTD::__state<_CharT> __state; 1937 1938 _LIBCPP_INLINE_VISIBILITY 1939 __l_anchor(__node<_CharT>* __s) 1940 : base(__s) {} 1941 1942 virtual void __exec(__state&) const; 1943}; 1944 1945template <class _CharT> 1946void 1947__l_anchor<_CharT>::__exec(__state& __s) const 1948{ 1949 if (__s.__at_first_ && __s.__current_ == __s.__first_) 1950 { 1951 __s.__do_ = __state::__accept_but_not_consume; 1952 __s.__node_ = this->first(); 1953 } 1954 else 1955 { 1956 __s.__do_ = __state::__reject; 1957 __s.__node_ = nullptr; 1958 } 1959} 1960 1961// __r_anchor 1962 1963template <class _CharT> 1964class __r_anchor 1965 : public __owns_one_state<_CharT> 1966{ 1967 typedef __owns_one_state<_CharT> base; 1968 1969public: 1970 typedef _VSTD::__state<_CharT> __state; 1971 1972 _LIBCPP_INLINE_VISIBILITY 1973 __r_anchor(__node<_CharT>* __s) 1974 : base(__s) {} 1975 1976 virtual void __exec(__state&) const; 1977}; 1978 1979template <class _CharT> 1980void 1981__r_anchor<_CharT>::__exec(__state& __s) const 1982{ 1983 if (__s.__current_ == __s.__last_) 1984 { 1985 __s.__do_ = __state::__accept_but_not_consume; 1986 __s.__node_ = this->first(); 1987 } 1988 else 1989 { 1990 __s.__do_ = __state::__reject; 1991 __s.__node_ = nullptr; 1992 } 1993} 1994 1995// __match_any 1996 1997template <class _CharT> 1998class __match_any 1999 : public __owns_one_state<_CharT> 2000{ 2001 typedef __owns_one_state<_CharT> base; 2002 2003public: 2004 typedef _VSTD::__state<_CharT> __state; 2005 2006 _LIBCPP_INLINE_VISIBILITY 2007 __match_any(__node<_CharT>* __s) 2008 : base(__s) {} 2009 2010 virtual void __exec(__state&) const; 2011}; 2012 2013template <class _CharT> 2014void 2015__match_any<_CharT>::__exec(__state& __s) const 2016{ 2017 if (__s.__current_ != __s.__last_ && *__s.__current_ != 0) 2018 { 2019 __s.__do_ = __state::__accept_and_consume; 2020 ++__s.__current_; 2021 __s.__node_ = this->first(); 2022 } 2023 else 2024 { 2025 __s.__do_ = __state::__reject; 2026 __s.__node_ = nullptr; 2027 } 2028} 2029 2030// __match_any_but_newline 2031 2032template <class _CharT> 2033class __match_any_but_newline 2034 : public __owns_one_state<_CharT> 2035{ 2036 typedef __owns_one_state<_CharT> base; 2037 2038public: 2039 typedef _VSTD::__state<_CharT> __state; 2040 2041 _LIBCPP_INLINE_VISIBILITY 2042 __match_any_but_newline(__node<_CharT>* __s) 2043 : base(__s) {} 2044 2045 virtual void __exec(__state&) const; 2046}; 2047 2048template <> _LIBCPP_FUNC_VIS void __match_any_but_newline<char>::__exec(__state&) const; 2049template <> _LIBCPP_FUNC_VIS void __match_any_but_newline<wchar_t>::__exec(__state&) const; 2050 2051// __match_char 2052 2053template <class _CharT> 2054class __match_char 2055 : public __owns_one_state<_CharT> 2056{ 2057 typedef __owns_one_state<_CharT> base; 2058 2059 _CharT __c_; 2060 2061 __match_char(const __match_char&); 2062 __match_char& operator=(const __match_char&); 2063public: 2064 typedef _VSTD::__state<_CharT> __state; 2065 2066 _LIBCPP_INLINE_VISIBILITY 2067 __match_char(_CharT __c, __node<_CharT>* __s) 2068 : base(__s), __c_(__c) {} 2069 2070 virtual void __exec(__state&) const; 2071}; 2072 2073template <class _CharT> 2074void 2075__match_char<_CharT>::__exec(__state& __s) const 2076{ 2077 if (__s.__current_ != __s.__last_ && *__s.__current_ == __c_) 2078 { 2079 __s.__do_ = __state::__accept_and_consume; 2080 ++__s.__current_; 2081 __s.__node_ = this->first(); 2082 } 2083 else 2084 { 2085 __s.__do_ = __state::__reject; 2086 __s.__node_ = nullptr; 2087 } 2088} 2089 2090// __match_char_icase 2091 2092template <class _CharT, class _Traits> 2093class __match_char_icase 2094 : public __owns_one_state<_CharT> 2095{ 2096 typedef __owns_one_state<_CharT> base; 2097 2098 _Traits __traits_; 2099 _CharT __c_; 2100 2101 __match_char_icase(const __match_char_icase&); 2102 __match_char_icase& operator=(const __match_char_icase&); 2103public: 2104 typedef _VSTD::__state<_CharT> __state; 2105 2106 _LIBCPP_INLINE_VISIBILITY 2107 __match_char_icase(const _Traits& __traits, _CharT __c, __node<_CharT>* __s) 2108 : base(__s), __traits_(__traits), __c_(__traits.translate_nocase(__c)) {} 2109 2110 virtual void __exec(__state&) const; 2111}; 2112 2113template <class _CharT, class _Traits> 2114void 2115__match_char_icase<_CharT, _Traits>::__exec(__state& __s) const 2116{ 2117 if (__s.__current_ != __s.__last_ && 2118 __traits_.translate_nocase(*__s.__current_) == __c_) 2119 { 2120 __s.__do_ = __state::__accept_and_consume; 2121 ++__s.__current_; 2122 __s.__node_ = this->first(); 2123 } 2124 else 2125 { 2126 __s.__do_ = __state::__reject; 2127 __s.__node_ = nullptr; 2128 } 2129} 2130 2131// __match_char_collate 2132 2133template <class _CharT, class _Traits> 2134class __match_char_collate 2135 : public __owns_one_state<_CharT> 2136{ 2137 typedef __owns_one_state<_CharT> base; 2138 2139 _Traits __traits_; 2140 _CharT __c_; 2141 2142 __match_char_collate(const __match_char_collate&); 2143 __match_char_collate& operator=(const __match_char_collate&); 2144public: 2145 typedef _VSTD::__state<_CharT> __state; 2146 2147 _LIBCPP_INLINE_VISIBILITY 2148 __match_char_collate(const _Traits& __traits, _CharT __c, __node<_CharT>* __s) 2149 : base(__s), __traits_(__traits), __c_(__traits.translate(__c)) {} 2150 2151 virtual void __exec(__state&) const; 2152}; 2153 2154template <class _CharT, class _Traits> 2155void 2156__match_char_collate<_CharT, _Traits>::__exec(__state& __s) const 2157{ 2158 if (__s.__current_ != __s.__last_ && 2159 __traits_.translate(*__s.__current_) == __c_) 2160 { 2161 __s.__do_ = __state::__accept_and_consume; 2162 ++__s.__current_; 2163 __s.__node_ = this->first(); 2164 } 2165 else 2166 { 2167 __s.__do_ = __state::__reject; 2168 __s.__node_ = nullptr; 2169 } 2170} 2171 2172// __bracket_expression 2173 2174template <class _CharT, class _Traits> 2175class __bracket_expression 2176 : public __owns_one_state<_CharT> 2177{ 2178 typedef __owns_one_state<_CharT> base; 2179 typedef typename _Traits::string_type string_type; 2180 2181 _Traits __traits_; 2182 vector<_CharT> __chars_; 2183 vector<_CharT> __neg_chars_; 2184 vector<pair<string_type, string_type> > __ranges_; 2185 vector<pair<_CharT, _CharT> > __digraphs_; 2186 vector<string_type> __equivalences_; 2187 ctype_base::mask __mask_; 2188 ctype_base::mask __neg_mask_; 2189 bool __negate_; 2190 bool __icase_; 2191 bool __collate_; 2192 bool __might_have_digraph_; 2193 2194 __bracket_expression(const __bracket_expression&); 2195 __bracket_expression& operator=(const __bracket_expression&); 2196public: 2197 typedef _VSTD::__state<_CharT> __state; 2198 2199 _LIBCPP_INLINE_VISIBILITY 2200 __bracket_expression(const _Traits& __traits, __node<_CharT>* __s, 2201 bool __negate, bool __icase, bool __collate) 2202 : base(__s), __traits_(__traits), __mask_(), __neg_mask_(), 2203 __negate_(__negate), __icase_(__icase), __collate_(__collate), 2204 __might_have_digraph_(__traits_.getloc().name() != "C") {} 2205 2206 virtual void __exec(__state&) const; 2207 2208 _LIBCPP_INLINE_VISIBILITY 2209 bool __negated() const {return __negate_;} 2210 2211 _LIBCPP_INLINE_VISIBILITY 2212 void __add_char(_CharT __c) 2213 { 2214 if (__icase_) 2215 __chars_.push_back(__traits_.translate_nocase(__c)); 2216 else if (__collate_) 2217 __chars_.push_back(__traits_.translate(__c)); 2218 else 2219 __chars_.push_back(__c); 2220 } 2221 _LIBCPP_INLINE_VISIBILITY 2222 void __add_neg_char(_CharT __c) 2223 { 2224 if (__icase_) 2225 __neg_chars_.push_back(__traits_.translate_nocase(__c)); 2226 else if (__collate_) 2227 __neg_chars_.push_back(__traits_.translate(__c)); 2228 else 2229 __neg_chars_.push_back(__c); 2230 } 2231 _LIBCPP_INLINE_VISIBILITY 2232 void __add_range(string_type __b, string_type __e) 2233 { 2234 if (__collate_) 2235 { 2236 if (__icase_) 2237 { 2238 for (size_t __i = 0; __i < __b.size(); ++__i) 2239 __b[__i] = __traits_.translate_nocase(__b[__i]); 2240 for (size_t __i = 0; __i < __e.size(); ++__i) 2241 __e[__i] = __traits_.translate_nocase(__e[__i]); 2242 } 2243 else 2244 { 2245 for (size_t __i = 0; __i < __b.size(); ++__i) 2246 __b[__i] = __traits_.translate(__b[__i]); 2247 for (size_t __i = 0; __i < __e.size(); ++__i) 2248 __e[__i] = __traits_.translate(__e[__i]); 2249 } 2250 __ranges_.push_back(make_pair( 2251 __traits_.transform(__b.begin(), __b.end()), 2252 __traits_.transform(__e.begin(), __e.end()))); 2253 } 2254 else 2255 { 2256#ifndef _LIBCPP_NO_EXCEPTIONS 2257 if (__b.size() != 1 || __e.size() != 1) 2258 throw regex_error(regex_constants::error_collate); 2259#endif // _LIBCPP_NO_EXCEPTIONS 2260 if (__icase_) 2261 { 2262 __b[0] = __traits_.translate_nocase(__b[0]); 2263 __e[0] = __traits_.translate_nocase(__e[0]); 2264 } 2265 __ranges_.push_back(make_pair(_VSTD::move(__b), _VSTD::move(__e))); 2266 } 2267 } 2268 _LIBCPP_INLINE_VISIBILITY 2269 void __add_digraph(_CharT __c1, _CharT __c2) 2270 { 2271 if (__icase_) 2272 __digraphs_.push_back(make_pair(__traits_.translate_nocase(__c1), 2273 __traits_.translate_nocase(__c2))); 2274 else if (__collate_) 2275 __digraphs_.push_back(make_pair(__traits_.translate(__c1), 2276 __traits_.translate(__c2))); 2277 else 2278 __digraphs_.push_back(make_pair(__c1, __c2)); 2279 } 2280 _LIBCPP_INLINE_VISIBILITY 2281 void __add_equivalence(const string_type& __s) 2282 {__equivalences_.push_back(__s);} 2283 _LIBCPP_INLINE_VISIBILITY 2284 void __add_class(ctype_base::mask __mask) 2285 {__mask_ |= __mask;} 2286 _LIBCPP_INLINE_VISIBILITY 2287 void __add_neg_class(ctype_base::mask __mask) 2288 {__neg_mask_ |= __mask;} 2289}; 2290 2291template <class _CharT, class _Traits> 2292void 2293__bracket_expression<_CharT, _Traits>::__exec(__state& __s) const 2294{ 2295 bool __found = false; 2296 unsigned __consumed = 0; 2297 if (__s.__current_ != __s.__last_) 2298 { 2299 ++__consumed; 2300 if (__might_have_digraph_) 2301 { 2302 const _CharT* __next = _VSTD::next(__s.__current_); 2303 if (__next != __s.__last_) 2304 { 2305 pair<_CharT, _CharT> __ch2(*__s.__current_, *__next); 2306 if (__icase_) 2307 { 2308 __ch2.first = __traits_.translate_nocase(__ch2.first); 2309 __ch2.second = __traits_.translate_nocase(__ch2.second); 2310 } 2311 else if (__collate_) 2312 { 2313 __ch2.first = __traits_.translate(__ch2.first); 2314 __ch2.second = __traits_.translate(__ch2.second); 2315 } 2316 if (!__traits_.lookup_collatename(&__ch2.first, &__ch2.first+2).empty()) 2317 { 2318 // __ch2 is a digraph in this locale 2319 ++__consumed; 2320 for (size_t __i = 0; __i < __digraphs_.size(); ++__i) 2321 { 2322 if (__ch2 == __digraphs_[__i]) 2323 { 2324 __found = true; 2325 goto __exit; 2326 } 2327 } 2328 if (__collate_ && !__ranges_.empty()) 2329 { 2330 string_type __s2 = __traits_.transform(&__ch2.first, 2331 &__ch2.first + 2); 2332 for (size_t __i = 0; __i < __ranges_.size(); ++__i) 2333 { 2334 if (__ranges_[__i].first <= __s2 && 2335 __s2 <= __ranges_[__i].second) 2336 { 2337 __found = true; 2338 goto __exit; 2339 } 2340 } 2341 } 2342 if (!__equivalences_.empty()) 2343 { 2344 string_type __s2 = __traits_.transform_primary(&__ch2.first, 2345 &__ch2.first + 2); 2346 for (size_t __i = 0; __i < __equivalences_.size(); ++__i) 2347 { 2348 if (__s2 == __equivalences_[__i]) 2349 { 2350 __found = true; 2351 goto __exit; 2352 } 2353 } 2354 } 2355 if (__traits_.isctype(__ch2.first, __mask_) && 2356 __traits_.isctype(__ch2.second, __mask_)) 2357 { 2358 __found = true; 2359 goto __exit; 2360 } 2361 if (!__traits_.isctype(__ch2.first, __neg_mask_) && 2362 !__traits_.isctype(__ch2.second, __neg_mask_)) 2363 { 2364 __found = true; 2365 goto __exit; 2366 } 2367 goto __exit; 2368 } 2369 } 2370 } 2371 // test *__s.__current_ as not a digraph 2372 _CharT __ch = *__s.__current_; 2373 if (__icase_) 2374 __ch = __traits_.translate_nocase(__ch); 2375 else if (__collate_) 2376 __ch = __traits_.translate(__ch); 2377 for (size_t __i = 0; __i < __chars_.size(); ++__i) 2378 { 2379 if (__ch == __chars_[__i]) 2380 { 2381 __found = true; 2382 goto __exit; 2383 } 2384 } 2385 if (!__neg_chars_.empty()) 2386 { 2387 for (size_t __i = 0; __i < __neg_chars_.size(); ++__i) 2388 { 2389 if (__ch == __neg_chars_[__i]) 2390 goto __is_neg_char; 2391 } 2392 __found = true; 2393 goto __exit; 2394 } 2395__is_neg_char: 2396 if (!__ranges_.empty()) 2397 { 2398 string_type __s2 = __collate_ ? 2399 __traits_.transform(&__ch, &__ch + 1) : 2400 string_type(1, __ch); 2401 for (size_t __i = 0; __i < __ranges_.size(); ++__i) 2402 { 2403 if (__ranges_[__i].first <= __s2 && __s2 <= __ranges_[__i].second) 2404 { 2405 __found = true; 2406 goto __exit; 2407 } 2408 } 2409 } 2410 if (!__equivalences_.empty()) 2411 { 2412 string_type __s2 = __traits_.transform_primary(&__ch, &__ch + 1); 2413 for (size_t __i = 0; __i < __equivalences_.size(); ++__i) 2414 { 2415 if (__s2 == __equivalences_[__i]) 2416 { 2417 __found = true; 2418 goto __exit; 2419 } 2420 } 2421 } 2422 if (__traits_.isctype(__ch, __mask_)) 2423 { 2424 __found = true; 2425 goto __exit; 2426 } 2427 if (__neg_mask_ && !__traits_.isctype(__ch, __neg_mask_)) 2428 { 2429 __found = true; 2430 goto __exit; 2431 } 2432 } 2433 else 2434 __found = __negate_; // force reject 2435__exit: 2436 if (__found != __negate_) 2437 { 2438 __s.__do_ = __state::__accept_and_consume; 2439 __s.__current_ += __consumed; 2440 __s.__node_ = this->first(); 2441 } 2442 else 2443 { 2444 __s.__do_ = __state::__reject; 2445 __s.__node_ = nullptr; 2446 } 2447} 2448 2449template <class _CharT, class _Traits> class __lookahead; 2450 2451template <class _CharT, class _Traits = regex_traits<_CharT> > 2452class _LIBCPP_TYPE_VIS_ONLY basic_regex 2453{ 2454public: 2455 // types: 2456 typedef _CharT value_type; 2457 typedef regex_constants::syntax_option_type flag_type; 2458 typedef typename _Traits::locale_type locale_type; 2459 2460private: 2461 _Traits __traits_; 2462 flag_type __flags_; 2463 unsigned __marked_count_; 2464 unsigned __loop_count_; 2465 int __open_count_; 2466 shared_ptr<__empty_state<_CharT> > __start_; 2467 __owns_one_state<_CharT>* __end_; 2468 2469 typedef _VSTD::__state<_CharT> __state; 2470 typedef _VSTD::__node<_CharT> __node; 2471 2472public: 2473 // constants: 2474 static const regex_constants::syntax_option_type icase = regex_constants::icase; 2475 static const regex_constants::syntax_option_type nosubs = regex_constants::nosubs; 2476 static const regex_constants::syntax_option_type optimize = regex_constants::optimize; 2477 static const regex_constants::syntax_option_type collate = regex_constants::collate; 2478 static const regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; 2479 static const regex_constants::syntax_option_type basic = regex_constants::basic; 2480 static const regex_constants::syntax_option_type extended = regex_constants::extended; 2481 static const regex_constants::syntax_option_type awk = regex_constants::awk; 2482 static const regex_constants::syntax_option_type grep = regex_constants::grep; 2483 static const regex_constants::syntax_option_type egrep = regex_constants::egrep; 2484 2485 // construct/copy/destroy: 2486 _LIBCPP_INLINE_VISIBILITY 2487 basic_regex() 2488 : __flags_(), __marked_count_(0), __loop_count_(0), __open_count_(0), 2489 __end_(0) 2490 {} 2491 _LIBCPP_INLINE_VISIBILITY 2492 explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript) 2493 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2494 __end_(0) 2495 {__parse(__p, __p + __traits_.length(__p));} 2496 _LIBCPP_INLINE_VISIBILITY 2497 basic_regex(const value_type* __p, size_t __len, flag_type __f) 2498 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2499 __end_(0) 2500 {__parse(__p, __p + __len);} 2501// basic_regex(const basic_regex&) = default; 2502// basic_regex(basic_regex&&) = default; 2503 template <class _ST, class _SA> 2504 _LIBCPP_INLINE_VISIBILITY 2505 explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p, 2506 flag_type __f = regex_constants::ECMAScript) 2507 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2508 __end_(0) 2509 {__parse(__p.begin(), __p.end());} 2510 template <class _ForwardIterator> 2511 _LIBCPP_INLINE_VISIBILITY 2512 basic_regex(_ForwardIterator __first, _ForwardIterator __last, 2513 flag_type __f = regex_constants::ECMAScript) 2514 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2515 __end_(0) 2516 {__parse(__first, __last);} 2517#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2518 _LIBCPP_INLINE_VISIBILITY 2519 basic_regex(initializer_list<value_type> __il, 2520 flag_type __f = regex_constants::ECMAScript) 2521 : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0), 2522 __end_(0) 2523 {__parse(__il.begin(), __il.end());} 2524#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2525 2526// ~basic_regex() = default; 2527 2528// basic_regex& operator=(const basic_regex&) = default; 2529// basic_regex& operator=(basic_regex&&) = default; 2530 _LIBCPP_INLINE_VISIBILITY 2531 basic_regex& operator=(const value_type* __p) 2532 {return assign(__p);} 2533#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2534 _LIBCPP_INLINE_VISIBILITY 2535 basic_regex& operator=(initializer_list<value_type> __il) 2536 {return assign(__il);} 2537#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2538 template <class _ST, class _SA> 2539 _LIBCPP_INLINE_VISIBILITY 2540 basic_regex& operator=(const basic_string<value_type, _ST, _SA>& __p) 2541 {return assign(__p);} 2542 2543 // assign: 2544 _LIBCPP_INLINE_VISIBILITY 2545 basic_regex& assign(const basic_regex& __that) 2546 {return *this = __that;} 2547#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2548 _LIBCPP_INLINE_VISIBILITY 2549 basic_regex& assign(basic_regex&& __that) _NOEXCEPT 2550 {return *this = _VSTD::move(__that);} 2551#endif 2552 _LIBCPP_INLINE_VISIBILITY 2553 basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript) 2554 {return assign(__p, __p + __traits_.length(__p), __f);} 2555 _LIBCPP_INLINE_VISIBILITY 2556 basic_regex& assign(const value_type* __p, size_t __len, flag_type __f) 2557 {return assign(__p, __p + __len, __f);} 2558 template <class _ST, class _SA> 2559 _LIBCPP_INLINE_VISIBILITY 2560 basic_regex& assign(const basic_string<value_type, _ST, _SA>& __s, 2561 flag_type __f = regex_constants::ECMAScript) 2562 {return assign(__s.begin(), __s.end(), __f);} 2563 2564 template <class _InputIterator> 2565 _LIBCPP_INLINE_VISIBILITY 2566 typename enable_if 2567 < 2568 __is_input_iterator <_InputIterator>::value && 2569 !__is_forward_iterator<_InputIterator>::value, 2570 basic_regex& 2571 >::type 2572 assign(_InputIterator __first, _InputIterator __last, 2573 flag_type __f = regex_constants::ECMAScript) 2574 { 2575 basic_string<_CharT> __t(__first, __last); 2576 return assign(__t.begin(), __t.end(), __f); 2577 } 2578 2579private: 2580 _LIBCPP_INLINE_VISIBILITY 2581 void __member_init(flag_type __f) 2582 { 2583 __flags_ = __f; 2584 __marked_count_ = 0; 2585 __loop_count_ = 0; 2586 __open_count_ = 0; 2587 __end_ = nullptr; 2588 } 2589public: 2590 2591 template <class _ForwardIterator> 2592 _LIBCPP_INLINE_VISIBILITY 2593 typename enable_if 2594 < 2595 __is_forward_iterator<_ForwardIterator>::value, 2596 basic_regex& 2597 >::type 2598 assign(_ForwardIterator __first, _ForwardIterator __last, 2599 flag_type __f = regex_constants::ECMAScript) 2600 { 2601 __member_init(__f); 2602 __parse(__first, __last); 2603 return *this; 2604 } 2605 2606#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2607 2608 _LIBCPP_INLINE_VISIBILITY 2609 basic_regex& assign(initializer_list<value_type> __il, 2610 flag_type __f = regex_constants::ECMAScript) 2611 {return assign(__il.begin(), __il.end(), __f);} 2612 2613#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 2614 2615 // const operations: 2616 _LIBCPP_INLINE_VISIBILITY 2617 unsigned mark_count() const {return __marked_count_;} 2618 _LIBCPP_INLINE_VISIBILITY 2619 flag_type flags() const {return __flags_;} 2620 2621 // locale: 2622 _LIBCPP_INLINE_VISIBILITY 2623 locale_type imbue(locale_type __loc) 2624 { 2625 __member_init(ECMAScript); 2626 __start_.reset(); 2627 return __traits_.imbue(__loc); 2628 } 2629 _LIBCPP_INLINE_VISIBILITY 2630 locale_type getloc() const {return __traits_.getloc();} 2631 2632 // swap: 2633 void swap(basic_regex& __r); 2634 2635private: 2636 _LIBCPP_INLINE_VISIBILITY 2637 unsigned __loop_count() const {return __loop_count_;} 2638 2639 template <class _ForwardIterator> 2640 _ForwardIterator 2641 __parse(_ForwardIterator __first, _ForwardIterator __last); 2642 template <class _ForwardIterator> 2643 _ForwardIterator 2644 __parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last); 2645 template <class _ForwardIterator> 2646 _ForwardIterator 2647 __parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last); 2648 template <class _ForwardIterator> 2649 _ForwardIterator 2650 __parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last); 2651 template <class _ForwardIterator> 2652 _ForwardIterator 2653 __parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last); 2654 template <class _ForwardIterator> 2655 _ForwardIterator 2656 __parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last); 2657 template <class _ForwardIterator> 2658 _ForwardIterator 2659 __parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last); 2660 template <class _ForwardIterator> 2661 _ForwardIterator 2662 __parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last); 2663 template <class _ForwardIterator> 2664 _ForwardIterator 2665 __parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last); 2666 template <class _ForwardIterator> 2667 _ForwardIterator 2668 __parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last); 2669 template <class _ForwardIterator> 2670 _ForwardIterator 2671 __parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last); 2672 template <class _ForwardIterator> 2673 _ForwardIterator 2674 __parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last); 2675 template <class _ForwardIterator> 2676 _ForwardIterator 2677 __parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last); 2678 template <class _ForwardIterator> 2679 _ForwardIterator 2680 __parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last, 2681 __owns_one_state<_CharT>* __s, 2682 unsigned __mexp_begin, unsigned __mexp_end); 2683 template <class _ForwardIterator> 2684 _ForwardIterator 2685 __parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last, 2686 __owns_one_state<_CharT>* __s, 2687 unsigned __mexp_begin, unsigned __mexp_end); 2688 template <class _ForwardIterator> 2689 _ForwardIterator 2690 __parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last); 2691 template <class _ForwardIterator> 2692 _ForwardIterator 2693 __parse_follow_list(_ForwardIterator __first, _ForwardIterator __last, 2694 __bracket_expression<_CharT, _Traits>* __ml); 2695 template <class _ForwardIterator> 2696 _ForwardIterator 2697 __parse_expression_term(_ForwardIterator __first, _ForwardIterator __last, 2698 __bracket_expression<_CharT, _Traits>* __ml); 2699 template <class _ForwardIterator> 2700 _ForwardIterator 2701 __parse_equivalence_class(_ForwardIterator __first, _ForwardIterator __last, 2702 __bracket_expression<_CharT, _Traits>* __ml); 2703 template <class _ForwardIterator> 2704 _ForwardIterator 2705 __parse_character_class(_ForwardIterator __first, _ForwardIterator __last, 2706 __bracket_expression<_CharT, _Traits>* __ml); 2707 template <class _ForwardIterator> 2708 _ForwardIterator 2709 __parse_collating_symbol(_ForwardIterator __first, _ForwardIterator __last, 2710 basic_string<_CharT>& __col_sym); 2711 template <class _ForwardIterator> 2712 _ForwardIterator 2713 __parse_DUP_COUNT(_ForwardIterator __first, _ForwardIterator __last, int& __c); 2714 template <class _ForwardIterator> 2715 _ForwardIterator 2716 __parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last); 2717 template <class _ForwardIterator> 2718 _ForwardIterator 2719 __parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last); 2720 template <class _ForwardIterator> 2721 _ForwardIterator 2722 __parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last); 2723 template <class _ForwardIterator> 2724 _ForwardIterator 2725 __parse_one_char_or_coll_elem_ERE(_ForwardIterator __first, _ForwardIterator __last); 2726 template <class _ForwardIterator> 2727 _ForwardIterator 2728 __parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); 2729 template <class _ForwardIterator> 2730 _ForwardIterator 2731 __parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); 2732 template <class _ForwardIterator> 2733 _ForwardIterator 2734 __parse_ecma_exp(_ForwardIterator __first, _ForwardIterator __last); 2735 template <class _ForwardIterator> 2736 _ForwardIterator 2737 __parse_alternative(_ForwardIterator __first, _ForwardIterator __last); 2738 template <class _ForwardIterator> 2739 _ForwardIterator 2740 __parse_term(_ForwardIterator __first, _ForwardIterator __last); 2741 template <class _ForwardIterator> 2742 _ForwardIterator 2743 __parse_assertion(_ForwardIterator __first, _ForwardIterator __last); 2744 template <class _ForwardIterator> 2745 _ForwardIterator 2746 __parse_atom(_ForwardIterator __first, _ForwardIterator __last); 2747 template <class _ForwardIterator> 2748 _ForwardIterator 2749 __parse_atom_escape(_ForwardIterator __first, _ForwardIterator __last); 2750 template <class _ForwardIterator> 2751 _ForwardIterator 2752 __parse_decimal_escape(_ForwardIterator __first, _ForwardIterator __last); 2753 template <class _ForwardIterator> 2754 _ForwardIterator 2755 __parse_character_class_escape(_ForwardIterator __first, _ForwardIterator __last); 2756 template <class _ForwardIterator> 2757 _ForwardIterator 2758 __parse_character_escape(_ForwardIterator __first, _ForwardIterator __last, 2759 basic_string<_CharT>* __str = nullptr); 2760 template <class _ForwardIterator> 2761 _ForwardIterator 2762 __parse_pattern_character(_ForwardIterator __first, _ForwardIterator __last); 2763 template <class _ForwardIterator> 2764 _ForwardIterator 2765 __parse_grep(_ForwardIterator __first, _ForwardIterator __last); 2766 template <class _ForwardIterator> 2767 _ForwardIterator 2768 __parse_egrep(_ForwardIterator __first, _ForwardIterator __last); 2769 template <class _ForwardIterator> 2770 _ForwardIterator 2771 __parse_class_escape(_ForwardIterator __first, _ForwardIterator __last, 2772 basic_string<_CharT>& __str, 2773 __bracket_expression<_CharT, _Traits>* __ml); 2774 template <class _ForwardIterator> 2775 _ForwardIterator 2776 __parse_awk_escape(_ForwardIterator __first, _ForwardIterator __last, 2777 basic_string<_CharT>* __str = nullptr); 2778 2779 _LIBCPP_INLINE_VISIBILITY 2780 void __push_l_anchor(); 2781 void __push_r_anchor(); 2782 void __push_match_any(); 2783 void __push_match_any_but_newline(); 2784 _LIBCPP_INLINE_VISIBILITY 2785 void __push_greedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s, 2786 unsigned __mexp_begin = 0, unsigned __mexp_end = 0) 2787 {__push_loop(__min, numeric_limits<size_t>::max(), __s, 2788 __mexp_begin, __mexp_end);} 2789 _LIBCPP_INLINE_VISIBILITY 2790 void __push_nongreedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s, 2791 unsigned __mexp_begin = 0, unsigned __mexp_end = 0) 2792 {__push_loop(__min, numeric_limits<size_t>::max(), __s, 2793 __mexp_begin, __mexp_end, false);} 2794 void __push_loop(size_t __min, size_t __max, __owns_one_state<_CharT>* __s, 2795 size_t __mexp_begin = 0, size_t __mexp_end = 0, 2796 bool __greedy = true); 2797 __bracket_expression<_CharT, _Traits>* __start_matching_list(bool __negate); 2798 void __push_char(value_type __c); 2799 void __push_back_ref(int __i); 2800 void __push_alternation(__owns_one_state<_CharT>* __sa, 2801 __owns_one_state<_CharT>* __sb); 2802 void __push_begin_marked_subexpression(); 2803 void __push_end_marked_subexpression(unsigned); 2804 void __push_empty(); 2805 void __push_word_boundary(bool); 2806 void __push_lookahead(const basic_regex&, bool, unsigned); 2807 2808 template <class _Allocator> 2809 bool 2810 __search(const _CharT* __first, const _CharT* __last, 2811 match_results<const _CharT*, _Allocator>& __m, 2812 regex_constants::match_flag_type __flags) const; 2813 2814 template <class _Allocator> 2815 bool 2816 __match_at_start(const _CharT* __first, const _CharT* __last, 2817 match_results<const _CharT*, _Allocator>& __m, 2818 regex_constants::match_flag_type __flags, bool) const; 2819 template <class _Allocator> 2820 bool 2821 __match_at_start_ecma(const _CharT* __first, const _CharT* __last, 2822 match_results<const _CharT*, _Allocator>& __m, 2823 regex_constants::match_flag_type __flags, bool) const; 2824 template <class _Allocator> 2825 bool 2826 __match_at_start_posix_nosubs(const _CharT* __first, const _CharT* __last, 2827 match_results<const _CharT*, _Allocator>& __m, 2828 regex_constants::match_flag_type __flags, bool) const; 2829 template <class _Allocator> 2830 bool 2831 __match_at_start_posix_subs(const _CharT* __first, const _CharT* __last, 2832 match_results<const _CharT*, _Allocator>& __m, 2833 regex_constants::match_flag_type __flags, bool) const; 2834 2835 template <class _Bp, class _Ap, class _Cp, class _Tp> 2836 friend 2837 bool 2838 regex_search(_Bp, _Bp, match_results<_Bp, _Ap>&, const basic_regex<_Cp, _Tp>&, 2839 regex_constants::match_flag_type); 2840 2841 template <class _Ap, class _Cp, class _Tp> 2842 friend 2843 bool 2844 regex_search(const _Cp*, const _Cp*, match_results<const _Cp*, _Ap>&, 2845 const basic_regex<_Cp, _Tp>&, regex_constants::match_flag_type); 2846 2847 template <class _Bp, class _Cp, class _Tp> 2848 friend 2849 bool 2850 regex_search(_Bp, _Bp, const basic_regex<_Cp, _Tp>&, 2851 regex_constants::match_flag_type); 2852 2853 template <class _Cp, class _Tp> 2854 friend 2855 bool 2856 regex_search(const _Cp*, const _Cp*, 2857 const basic_regex<_Cp, _Tp>&, regex_constants::match_flag_type); 2858 2859 template <class _Cp, class _Ap, class _Tp> 2860 friend 2861 bool 2862 regex_search(const _Cp*, match_results<const _Cp*, _Ap>&, const basic_regex<_Cp, _Tp>&, 2863 regex_constants::match_flag_type); 2864 2865 template <class _ST, class _SA, class _Cp, class _Tp> 2866 friend 2867 bool 2868 regex_search(const basic_string<_Cp, _ST, _SA>& __s, 2869 const basic_regex<_Cp, _Tp>& __e, 2870 regex_constants::match_flag_type __flags); 2871 2872 template <class _ST, class _SA, class _Ap, class _Cp, class _Tp> 2873 friend 2874 bool 2875 regex_search(const basic_string<_Cp, _ST, _SA>& __s, 2876 match_results<typename basic_string<_Cp, _ST, _SA>::const_iterator, _Ap>&, 2877 const basic_regex<_Cp, _Tp>& __e, 2878 regex_constants::match_flag_type __flags); 2879 2880 template <class _Iter, class _Ap, class _Cp, class _Tp> 2881 friend 2882 bool 2883 regex_search(__wrap_iter<_Iter> __first, 2884 __wrap_iter<_Iter> __last, 2885 match_results<__wrap_iter<_Iter>, _Ap>& __m, 2886 const basic_regex<_Cp, _Tp>& __e, 2887 regex_constants::match_flag_type __flags); 2888 2889 template <class, class> friend class __lookahead; 2890}; 2891 2892template <class _CharT, class _Traits> 2893 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::icase; 2894template <class _CharT, class _Traits> 2895 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::nosubs; 2896template <class _CharT, class _Traits> 2897 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::optimize; 2898template <class _CharT, class _Traits> 2899 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::collate; 2900template <class _CharT, class _Traits> 2901 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::ECMAScript; 2902template <class _CharT, class _Traits> 2903 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::basic; 2904template <class _CharT, class _Traits> 2905 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::extended; 2906template <class _CharT, class _Traits> 2907 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::awk; 2908template <class _CharT, class _Traits> 2909 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::grep; 2910template <class _CharT, class _Traits> 2911 const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::egrep; 2912 2913template <class _CharT, class _Traits> 2914void 2915basic_regex<_CharT, _Traits>::swap(basic_regex& __r) 2916{ 2917 using _VSTD::swap; 2918 swap(__traits_, __r.__traits_); 2919 swap(__flags_, __r.__flags_); 2920 swap(__marked_count_, __r.__marked_count_); 2921 swap(__loop_count_, __r.__loop_count_); 2922 swap(__open_count_, __r.__open_count_); 2923 swap(__start_, __r.__start_); 2924 swap(__end_, __r.__end_); 2925} 2926 2927template <class _CharT, class _Traits> 2928inline _LIBCPP_INLINE_VISIBILITY 2929void 2930swap(basic_regex<_CharT, _Traits>& __x, basic_regex<_CharT, _Traits>& __y) 2931{ 2932 return __x.swap(__y); 2933} 2934 2935// __lookahead 2936 2937template <class _CharT, class _Traits> 2938class __lookahead 2939 : public __owns_one_state<_CharT> 2940{ 2941 typedef __owns_one_state<_CharT> base; 2942 2943 basic_regex<_CharT, _Traits> __exp_; 2944 unsigned __mexp_; 2945 bool __invert_; 2946 2947 __lookahead(const __lookahead&); 2948 __lookahead& operator=(const __lookahead&); 2949public: 2950 typedef _VSTD::__state<_CharT> __state; 2951 2952 _LIBCPP_INLINE_VISIBILITY 2953 __lookahead(const basic_regex<_CharT, _Traits>& __exp, bool __invert, __node<_CharT>* __s, unsigned __mexp) 2954 : base(__s), __exp_(__exp), __invert_(__invert), __mexp_(__mexp) {} 2955 2956 virtual void __exec(__state&) const; 2957}; 2958 2959template <class _CharT, class _Traits> 2960void 2961__lookahead<_CharT, _Traits>::__exec(__state& __s) const 2962{ 2963 match_results<const _CharT*> __m; 2964 __m.__init(1 + __exp_.mark_count(), __s.__current_, __s.__last_); 2965 bool __matched = __exp_.__match_at_start_ecma(__s.__current_, __s.__last_, 2966 __m, 2967 __s.__flags_ | regex_constants::match_continuous, 2968 __s.__at_first_ && __s.__current_ == __s.__first_); 2969 if (__matched != __invert_) 2970 { 2971 __s.__do_ = __state::__accept_but_not_consume; 2972 __s.__node_ = this->first(); 2973 for (unsigned __i = 1; __i < __m.size(); ++__i) { 2974 __s.__sub_matches_[__mexp_ + __i - 1] = __m.__matches_[__i]; 2975 } 2976 } 2977 else 2978 { 2979 __s.__do_ = __state::__reject; 2980 __s.__node_ = nullptr; 2981 } 2982} 2983 2984template <class _CharT, class _Traits> 2985template <class _ForwardIterator> 2986_ForwardIterator 2987basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first, 2988 _ForwardIterator __last) 2989{ 2990 { 2991 unique_ptr<__node> __h(new __end_state<_CharT>); 2992 __start_.reset(new __empty_state<_CharT>(__h.get())); 2993 __h.release(); 2994 __end_ = __start_.get(); 2995 } 2996 switch (__flags_ & 0x1F0) 2997 { 2998 case ECMAScript: 2999 __first = __parse_ecma_exp(__first, __last); 3000 break; 3001 case basic: 3002 __first = __parse_basic_reg_exp(__first, __last); 3003 break; 3004 case extended: 3005 case awk: 3006 __first = __parse_extended_reg_exp(__first, __last); 3007 break; 3008 case grep: 3009 __first = __parse_grep(__first, __last); 3010 break; 3011 case egrep: 3012 __first = __parse_egrep(__first, __last); 3013 break; 3014#ifndef _LIBCPP_NO_EXCEPTIONS 3015 default: 3016 throw regex_error(regex_constants::__re_err_grammar); 3017#endif // _LIBCPP_NO_EXCEPTIONS 3018 } 3019 return __first; 3020} 3021 3022template <class _CharT, class _Traits> 3023template <class _ForwardIterator> 3024_ForwardIterator 3025basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first, 3026 _ForwardIterator __last) 3027{ 3028 if (__first != __last) 3029 { 3030 if (*__first == '^') 3031 { 3032 __push_l_anchor(); 3033 ++__first; 3034 } 3035 if (__first != __last) 3036 { 3037 __first = __parse_RE_expression(__first, __last); 3038 if (__first != __last) 3039 { 3040 _ForwardIterator __temp = _VSTD::next(__first); 3041 if (__temp == __last && *__first == '$') 3042 { 3043 __push_r_anchor(); 3044 ++__first; 3045 } 3046 } 3047 } 3048#ifndef _LIBCPP_NO_EXCEPTIONS 3049 if (__first != __last) 3050 throw regex_error(regex_constants::__re_err_empty); 3051#endif // _LIBCPP_NO_EXCEPTIONS 3052 } 3053 return __first; 3054} 3055 3056template <class _CharT, class _Traits> 3057template <class _ForwardIterator> 3058_ForwardIterator 3059basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first, 3060 _ForwardIterator __last) 3061{ 3062 __owns_one_state<_CharT>* __sa = __end_; 3063 _ForwardIterator __temp = __parse_ERE_branch(__first, __last); 3064#ifndef _LIBCPP_NO_EXCEPTIONS 3065 if (__temp == __first) 3066 throw regex_error(regex_constants::__re_err_empty); 3067#endif // _LIBCPP_NO_EXCEPTIONS 3068 __first = __temp; 3069 while (__first != __last && *__first == '|') 3070 { 3071 __owns_one_state<_CharT>* __sb = __end_; 3072 __temp = __parse_ERE_branch(++__first, __last); 3073#ifndef _LIBCPP_NO_EXCEPTIONS 3074 if (__temp == __first) 3075 throw regex_error(regex_constants::__re_err_empty); 3076#endif // _LIBCPP_NO_EXCEPTIONS 3077 __push_alternation(__sa, __sb); 3078 __first = __temp; 3079 } 3080 return __first; 3081} 3082 3083template <class _CharT, class _Traits> 3084template <class _ForwardIterator> 3085_ForwardIterator 3086basic_regex<_CharT, _Traits>::__parse_ERE_branch(_ForwardIterator __first, 3087 _ForwardIterator __last) 3088{ 3089 _ForwardIterator __temp = __parse_ERE_expression(__first, __last); 3090#ifndef _LIBCPP_NO_EXCEPTIONS 3091 if (__temp == __first) 3092 throw regex_error(regex_constants::__re_err_empty); 3093#endif // _LIBCPP_NO_EXCEPTIONS 3094 do 3095 { 3096 __first = __temp; 3097 __temp = __parse_ERE_expression(__first, __last); 3098 } while (__temp != __first); 3099 return __first; 3100} 3101 3102template <class _CharT, class _Traits> 3103template <class _ForwardIterator> 3104_ForwardIterator 3105basic_regex<_CharT, _Traits>::__parse_ERE_expression(_ForwardIterator __first, 3106 _ForwardIterator __last) 3107{ 3108 __owns_one_state<_CharT>* __e = __end_; 3109 unsigned __mexp_begin = __marked_count_; 3110 _ForwardIterator __temp = __parse_one_char_or_coll_elem_ERE(__first, __last); 3111 if (__temp == __first && __temp != __last) 3112 { 3113 switch (*__temp) 3114 { 3115 case '^': 3116 __push_l_anchor(); 3117 ++__temp; 3118 break; 3119 case '$': 3120 __push_r_anchor(); 3121 ++__temp; 3122 break; 3123 case '(': 3124 __push_begin_marked_subexpression(); 3125 unsigned __temp_count = __marked_count_; 3126 ++__open_count_; 3127 __temp = __parse_extended_reg_exp(++__temp, __last); 3128#ifndef _LIBCPP_NO_EXCEPTIONS 3129 if (__temp == __last || *__temp != ')') 3130 throw regex_error(regex_constants::error_paren); 3131#endif // _LIBCPP_NO_EXCEPTIONS 3132 __push_end_marked_subexpression(__temp_count); 3133 --__open_count_; 3134 ++__temp; 3135 break; 3136 } 3137 } 3138 if (__temp != __first) 3139 __temp = __parse_ERE_dupl_symbol(__temp, __last, __e, __mexp_begin+1, 3140 __marked_count_+1); 3141 __first = __temp; 3142 return __first; 3143} 3144 3145template <class _CharT, class _Traits> 3146template <class _ForwardIterator> 3147_ForwardIterator 3148basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first, 3149 _ForwardIterator __last) 3150{ 3151 while (true) 3152 { 3153 _ForwardIterator __temp = __parse_simple_RE(__first, __last); 3154 if (__temp == __first) 3155 break; 3156 __first = __temp; 3157 } 3158 return __first; 3159} 3160 3161template <class _CharT, class _Traits> 3162template <class _ForwardIterator> 3163_ForwardIterator 3164basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first, 3165 _ForwardIterator __last) 3166{ 3167 if (__first != __last) 3168 { 3169 __owns_one_state<_CharT>* __e = __end_; 3170 unsigned __mexp_begin = __marked_count_; 3171 _ForwardIterator __temp = __parse_nondupl_RE(__first, __last); 3172 if (__temp != __first) 3173 __first = __parse_RE_dupl_symbol(__temp, __last, __e, 3174 __mexp_begin+1, __marked_count_+1); 3175 } 3176 return __first; 3177} 3178 3179template <class _CharT, class _Traits> 3180template <class _ForwardIterator> 3181_ForwardIterator 3182basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first, 3183 _ForwardIterator __last) 3184{ 3185 _ForwardIterator __temp = __first; 3186 __first = __parse_one_char_or_coll_elem_RE(__first, __last); 3187 if (__temp == __first) 3188 { 3189 __temp = __parse_Back_open_paren(__first, __last); 3190 if (__temp != __first) 3191 { 3192 __push_begin_marked_subexpression(); 3193 unsigned __temp_count = __marked_count_; 3194 __first = __parse_RE_expression(__temp, __last); 3195 __temp = __parse_Back_close_paren(__first, __last); 3196#ifndef _LIBCPP_NO_EXCEPTIONS 3197 if (__temp == __first) 3198 throw regex_error(regex_constants::error_paren); 3199#endif // _LIBCPP_NO_EXCEPTIONS 3200 __push_end_marked_subexpression(__temp_count); 3201 __first = __temp; 3202 } 3203 else 3204 __first = __parse_BACKREF(__first, __last); 3205 } 3206 return __first; 3207} 3208 3209template <class _CharT, class _Traits> 3210template <class _ForwardIterator> 3211_ForwardIterator 3212basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE( 3213 _ForwardIterator __first, 3214 _ForwardIterator __last) 3215{ 3216 _ForwardIterator __temp = __parse_ORD_CHAR(__first, __last); 3217 if (__temp == __first) 3218 { 3219 __temp = __parse_QUOTED_CHAR(__first, __last); 3220 if (__temp == __first) 3221 { 3222 if (__temp != __last && *__temp == '.') 3223 { 3224 __push_match_any(); 3225 ++__temp; 3226 } 3227 else 3228 __temp = __parse_bracket_expression(__first, __last); 3229 } 3230 } 3231 __first = __temp; 3232 return __first; 3233} 3234 3235template <class _CharT, class _Traits> 3236template <class _ForwardIterator> 3237_ForwardIterator 3238basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_ERE( 3239 _ForwardIterator __first, 3240 _ForwardIterator __last) 3241{ 3242 _ForwardIterator __temp = __parse_ORD_CHAR_ERE(__first, __last); 3243 if (__temp == __first) 3244 { 3245 __temp = __parse_QUOTED_CHAR_ERE(__first, __last); 3246 if (__temp == __first) 3247 { 3248 if (__temp != __last && *__temp == '.') 3249 { 3250 __push_match_any(); 3251 ++__temp; 3252 } 3253 else 3254 __temp = __parse_bracket_expression(__first, __last); 3255 } 3256 } 3257 __first = __temp; 3258 return __first; 3259} 3260 3261template <class _CharT, class _Traits> 3262template <class _ForwardIterator> 3263_ForwardIterator 3264basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first, 3265 _ForwardIterator __last) 3266{ 3267 if (__first != __last) 3268 { 3269 _ForwardIterator __temp = _VSTD::next(__first); 3270 if (__temp != __last) 3271 { 3272 if (*__first == '\\' && *__temp == '(') 3273 __first = ++__temp; 3274 } 3275 } 3276 return __first; 3277} 3278 3279template <class _CharT, class _Traits> 3280template <class _ForwardIterator> 3281_ForwardIterator 3282basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first, 3283 _ForwardIterator __last) 3284{ 3285 if (__first != __last) 3286 { 3287 _ForwardIterator __temp = _VSTD::next(__first); 3288 if (__temp != __last) 3289 { 3290 if (*__first == '\\' && *__temp == ')') 3291 __first = ++__temp; 3292 } 3293 } 3294 return __first; 3295} 3296 3297template <class _CharT, class _Traits> 3298template <class _ForwardIterator> 3299_ForwardIterator 3300basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first, 3301 _ForwardIterator __last) 3302{ 3303 if (__first != __last) 3304 { 3305 _ForwardIterator __temp = _VSTD::next(__first); 3306 if (__temp != __last) 3307 { 3308 if (*__first == '\\' && *__temp == '{') 3309 __first = ++__temp; 3310 } 3311 } 3312 return __first; 3313} 3314 3315template <class _CharT, class _Traits> 3316template <class _ForwardIterator> 3317_ForwardIterator 3318basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first, 3319 _ForwardIterator __last) 3320{ 3321 if (__first != __last) 3322 { 3323 _ForwardIterator __temp = _VSTD::next(__first); 3324 if (__temp != __last) 3325 { 3326 if (*__first == '\\' && *__temp == '}') 3327 __first = ++__temp; 3328 } 3329 } 3330 return __first; 3331} 3332 3333template <class _CharT, class _Traits> 3334template <class _ForwardIterator> 3335_ForwardIterator 3336basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first, 3337 _ForwardIterator __last) 3338{ 3339 if (__first != __last) 3340 { 3341 _ForwardIterator __temp = _VSTD::next(__first); 3342 if (__temp != __last) 3343 { 3344 if (*__first == '\\') 3345 { 3346 int __val = __traits_.value(*__temp, 10); 3347 if (__val >= 1 && __val <= 9) 3348 { 3349 __push_back_ref(__val); 3350 __first = ++__temp; 3351 } 3352 } 3353 } 3354 } 3355 return __first; 3356} 3357 3358template <class _CharT, class _Traits> 3359template <class _ForwardIterator> 3360_ForwardIterator 3361basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first, 3362 _ForwardIterator __last) 3363{ 3364 if (__first != __last) 3365 { 3366 _ForwardIterator __temp = _VSTD::next(__first); 3367 if (__temp == __last && *__first == '$') 3368 return __first; 3369 // Not called inside a bracket 3370 if (*__first == '.' || *__first == '\\' || *__first == '[') 3371 return __first; 3372 __push_char(*__first); 3373 ++__first; 3374 } 3375 return __first; 3376} 3377 3378template <class _CharT, class _Traits> 3379template <class _ForwardIterator> 3380_ForwardIterator 3381basic_regex<_CharT, _Traits>::__parse_ORD_CHAR_ERE(_ForwardIterator __first, 3382 _ForwardIterator __last) 3383{ 3384 if (__first != __last) 3385 { 3386 switch (*__first) 3387 { 3388 case '^': 3389 case '.': 3390 case '[': 3391 case '$': 3392 case '(': 3393 case '|': 3394 case '*': 3395 case '+': 3396 case '?': 3397 case '{': 3398 case '\\': 3399 break; 3400 case ')': 3401 if (__open_count_ == 0) 3402 { 3403 __push_char(*__first); 3404 ++__first; 3405 } 3406 break; 3407 default: 3408 __push_char(*__first); 3409 ++__first; 3410 break; 3411 } 3412 } 3413 return __first; 3414} 3415 3416template <class _CharT, class _Traits> 3417template <class _ForwardIterator> 3418_ForwardIterator 3419basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first, 3420 _ForwardIterator __last) 3421{ 3422 if (__first != __last) 3423 { 3424 _ForwardIterator __temp = _VSTD::next(__first); 3425 if (__temp != __last) 3426 { 3427 if (*__first == '\\') 3428 { 3429 switch (*__temp) 3430 { 3431 case '^': 3432 case '.': 3433 case '*': 3434 case '[': 3435 case '$': 3436 case '\\': 3437 __push_char(*__temp); 3438 __first = ++__temp; 3439 break; 3440 } 3441 } 3442 } 3443 } 3444 return __first; 3445} 3446 3447template <class _CharT, class _Traits> 3448template <class _ForwardIterator> 3449_ForwardIterator 3450basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR_ERE(_ForwardIterator __first, 3451 _ForwardIterator __last) 3452{ 3453 if (__first != __last) 3454 { 3455 _ForwardIterator __temp = _VSTD::next(__first); 3456 if (__temp != __last) 3457 { 3458 if (*__first == '\\') 3459 { 3460 switch (*__temp) 3461 { 3462 case '^': 3463 case '.': 3464 case '*': 3465 case '[': 3466 case '$': 3467 case '\\': 3468 case '(': 3469 case ')': 3470 case '|': 3471 case '+': 3472 case '?': 3473 case '{': 3474 case '}': 3475 __push_char(*__temp); 3476 __first = ++__temp; 3477 break; 3478 default: 3479 if ((__flags_ & 0x1F0) == awk) 3480 __first = __parse_awk_escape(++__first, __last); 3481 break; 3482 } 3483 } 3484 } 3485 } 3486 return __first; 3487} 3488 3489template <class _CharT, class _Traits> 3490template <class _ForwardIterator> 3491_ForwardIterator 3492basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first, 3493 _ForwardIterator __last, 3494 __owns_one_state<_CharT>* __s, 3495 unsigned __mexp_begin, 3496 unsigned __mexp_end) 3497{ 3498 if (__first != __last) 3499 { 3500 if (*__first == '*') 3501 { 3502 __push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3503 ++__first; 3504 } 3505 else 3506 { 3507 _ForwardIterator __temp = __parse_Back_open_brace(__first, __last); 3508 if (__temp != __first) 3509 { 3510 int __min = 0; 3511 __first = __temp; 3512 __temp = __parse_DUP_COUNT(__first, __last, __min); 3513#ifndef _LIBCPP_NO_EXCEPTIONS 3514 if (__temp == __first) 3515 throw regex_error(regex_constants::error_badbrace); 3516#endif // _LIBCPP_NO_EXCEPTIONS 3517 __first = __temp; 3518#ifndef _LIBCPP_NO_EXCEPTIONS 3519 if (__first == __last) 3520 throw regex_error(regex_constants::error_brace); 3521#endif // _LIBCPP_NO_EXCEPTIONS 3522 if (*__first != ',') 3523 { 3524 __temp = __parse_Back_close_brace(__first, __last); 3525#ifndef _LIBCPP_NO_EXCEPTIONS 3526 if (__temp == __first) 3527 throw regex_error(regex_constants::error_brace); 3528#endif // _LIBCPP_NO_EXCEPTIONS 3529 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end, 3530 true); 3531 __first = __temp; 3532 } 3533 else 3534 { 3535 ++__first; // consume ',' 3536 int __max = -1; 3537 __first = __parse_DUP_COUNT(__first, __last, __max); 3538 __temp = __parse_Back_close_brace(__first, __last); 3539#ifndef _LIBCPP_NO_EXCEPTIONS 3540 if (__temp == __first) 3541 throw regex_error(regex_constants::error_brace); 3542#endif // _LIBCPP_NO_EXCEPTIONS 3543 if (__max == -1) 3544 __push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3545 else 3546 { 3547#ifndef _LIBCPP_NO_EXCEPTIONS 3548 if (__max < __min) 3549 throw regex_error(regex_constants::error_badbrace); 3550#endif // _LIBCPP_NO_EXCEPTIONS 3551 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end, 3552 true); 3553 } 3554 __first = __temp; 3555 } 3556 } 3557 } 3558 } 3559 return __first; 3560} 3561 3562template <class _CharT, class _Traits> 3563template <class _ForwardIterator> 3564_ForwardIterator 3565basic_regex<_CharT, _Traits>::__parse_ERE_dupl_symbol(_ForwardIterator __first, 3566 _ForwardIterator __last, 3567 __owns_one_state<_CharT>* __s, 3568 unsigned __mexp_begin, 3569 unsigned __mexp_end) 3570{ 3571 if (__first != __last) 3572 { 3573 unsigned __grammar = __flags_ & 0x1F0; 3574 switch (*__first) 3575 { 3576 case '*': 3577 ++__first; 3578 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3579 { 3580 ++__first; 3581 __push_nongreedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3582 } 3583 else 3584 __push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end); 3585 break; 3586 case '+': 3587 ++__first; 3588 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3589 { 3590 ++__first; 3591 __push_nongreedy_inf_repeat(1, __s, __mexp_begin, __mexp_end); 3592 } 3593 else 3594 __push_greedy_inf_repeat(1, __s, __mexp_begin, __mexp_end); 3595 break; 3596 case '?': 3597 ++__first; 3598 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3599 { 3600 ++__first; 3601 __push_loop(0, 1, __s, __mexp_begin, __mexp_end, false); 3602 } 3603 else 3604 __push_loop(0, 1, __s, __mexp_begin, __mexp_end); 3605 break; 3606 case '{': 3607 { 3608 int __min; 3609 _ForwardIterator __temp = __parse_DUP_COUNT(++__first, __last, __min); 3610#ifndef _LIBCPP_NO_EXCEPTIONS 3611 if (__temp == __first) 3612 throw regex_error(regex_constants::error_badbrace); 3613#endif // _LIBCPP_NO_EXCEPTIONS 3614 __first = __temp; 3615#ifndef _LIBCPP_NO_EXCEPTIONS 3616 if (__first == __last) 3617 throw regex_error(regex_constants::error_brace); 3618#endif // _LIBCPP_NO_EXCEPTIONS 3619 switch (*__first) 3620 { 3621 case '}': 3622 ++__first; 3623 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3624 { 3625 ++__first; 3626 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end, false); 3627 } 3628 else 3629 __push_loop(__min, __min, __s, __mexp_begin, __mexp_end); 3630 break; 3631 case ',': 3632 ++__first; 3633#ifndef _LIBCPP_NO_EXCEPTIONS 3634 if (__first == __last) 3635 throw regex_error(regex_constants::error_badbrace); 3636#endif // _LIBCPP_NO_EXCEPTIONS 3637 if (*__first == '}') 3638 { 3639 ++__first; 3640 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3641 { 3642 ++__first; 3643 __push_nongreedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3644 } 3645 else 3646 __push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end); 3647 } 3648 else 3649 { 3650 int __max = -1; 3651 __temp = __parse_DUP_COUNT(__first, __last, __max); 3652#ifndef _LIBCPP_NO_EXCEPTIONS 3653 if (__temp == __first) 3654 throw regex_error(regex_constants::error_brace); 3655#endif // _LIBCPP_NO_EXCEPTIONS 3656 __first = __temp; 3657#ifndef _LIBCPP_NO_EXCEPTIONS 3658 if (__first == __last || *__first != '}') 3659 throw regex_error(regex_constants::error_brace); 3660#endif // _LIBCPP_NO_EXCEPTIONS 3661 ++__first; 3662#ifndef _LIBCPP_NO_EXCEPTIONS 3663 if (__max < __min) 3664 throw regex_error(regex_constants::error_badbrace); 3665#endif // _LIBCPP_NO_EXCEPTIONS 3666 if (__grammar == ECMAScript && __first != __last && *__first == '?') 3667 { 3668 ++__first; 3669 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end, false); 3670 } 3671 else 3672 __push_loop(__min, __max, __s, __mexp_begin, __mexp_end); 3673 } 3674 break; 3675#ifndef _LIBCPP_NO_EXCEPTIONS 3676 default: 3677 throw regex_error(regex_constants::error_badbrace); 3678#endif // _LIBCPP_NO_EXCEPTIONS 3679 } 3680 } 3681 break; 3682 } 3683 } 3684 return __first; 3685} 3686 3687template <class _CharT, class _Traits> 3688template <class _ForwardIterator> 3689_ForwardIterator 3690basic_regex<_CharT, _Traits>::__parse_bracket_expression(_ForwardIterator __first, 3691 _ForwardIterator __last) 3692{ 3693 if (__first != __last && *__first == '[') 3694 { 3695 ++__first; 3696#ifndef _LIBCPP_NO_EXCEPTIONS 3697 if (__first == __last) 3698 throw regex_error(regex_constants::error_brack); 3699#endif // _LIBCPP_NO_EXCEPTIONS 3700 bool __negate = false; 3701 if (*__first == '^') 3702 { 3703 ++__first; 3704 __negate = true; 3705 } 3706 __bracket_expression<_CharT, _Traits>* __ml = __start_matching_list(__negate); 3707 // __ml owned by *this 3708#ifndef _LIBCPP_NO_EXCEPTIONS 3709 if (__first == __last) 3710 throw regex_error(regex_constants::error_brack); 3711#endif // _LIBCPP_NO_EXCEPTIONS 3712 if ((__flags_ & 0x1F0) != ECMAScript && *__first == ']') 3713 { 3714 __ml->__add_char(']'); 3715 ++__first; 3716 } 3717 __first = __parse_follow_list(__first, __last, __ml); 3718#ifndef _LIBCPP_NO_EXCEPTIONS 3719 if (__first == __last) 3720 throw regex_error(regex_constants::error_brack); 3721#endif // _LIBCPP_NO_EXCEPTIONS 3722 if (*__first == '-') 3723 { 3724 __ml->__add_char('-'); 3725 ++__first; 3726 } 3727#ifndef _LIBCPP_NO_EXCEPTIONS 3728 if (__first == __last || *__first != ']') 3729 throw regex_error(regex_constants::error_brack); 3730#endif // _LIBCPP_NO_EXCEPTIONS 3731 ++__first; 3732 } 3733 return __first; 3734} 3735 3736template <class _CharT, class _Traits> 3737template <class _ForwardIterator> 3738_ForwardIterator 3739basic_regex<_CharT, _Traits>::__parse_follow_list(_ForwardIterator __first, 3740 _ForwardIterator __last, 3741 __bracket_expression<_CharT, _Traits>* __ml) 3742{ 3743 if (__first != __last) 3744 { 3745 while (true) 3746 { 3747 _ForwardIterator __temp = __parse_expression_term(__first, __last, 3748 __ml); 3749 if (__temp == __first) 3750 break; 3751 __first = __temp; 3752 } 3753 } 3754 return __first; 3755} 3756 3757template <class _CharT, class _Traits> 3758template <class _ForwardIterator> 3759_ForwardIterator 3760basic_regex<_CharT, _Traits>::__parse_expression_term(_ForwardIterator __first, 3761 _ForwardIterator __last, 3762 __bracket_expression<_CharT, _Traits>* __ml) 3763{ 3764 if (__first != __last && *__first != ']') 3765 { 3766 _ForwardIterator __temp = _VSTD::next(__first); 3767 basic_string<_CharT> __start_range; 3768 if (__temp != __last && *__first == '[') 3769 { 3770 if (*__temp == '=') 3771 return __parse_equivalence_class(++__temp, __last, __ml); 3772 else if (*__temp == ':') 3773 return __parse_character_class(++__temp, __last, __ml); 3774 else if (*__temp == '.') 3775 __first = __parse_collating_symbol(++__temp, __last, __start_range); 3776 } 3777 unsigned __grammar = __flags_ & 0x1F0; 3778 if (__start_range.empty()) 3779 { 3780 if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\') 3781 { 3782 if (__grammar == ECMAScript) 3783 __first = __parse_class_escape(++__first, __last, __start_range, __ml); 3784 else 3785 __first = __parse_awk_escape(++__first, __last, &__start_range); 3786 } 3787 else 3788 { 3789 __start_range = *__first; 3790 ++__first; 3791 } 3792 } 3793 if (__first != __last && *__first != ']') 3794 { 3795 __temp = _VSTD::next(__first); 3796 if (__temp != __last && *__first == '-' && *__temp != ']') 3797 { 3798 // parse a range 3799 basic_string<_CharT> __end_range; 3800 __first = __temp; 3801 ++__temp; 3802 if (__temp != __last && *__first == '[' && *__temp == '.') 3803 __first = __parse_collating_symbol(++__temp, __last, __end_range); 3804 else 3805 { 3806 if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\') 3807 { 3808 if (__grammar == ECMAScript) 3809 __first = __parse_class_escape(++__first, __last, 3810 __end_range, __ml); 3811 else 3812 __first = __parse_awk_escape(++__first, __last, 3813 &__end_range); 3814 } 3815 else 3816 { 3817 __end_range = *__first; 3818 ++__first; 3819 } 3820 } 3821 __ml->__add_range(_VSTD::move(__start_range), _VSTD::move(__end_range)); 3822 } 3823 else if (!__start_range.empty()) 3824 { 3825 if (__start_range.size() == 1) 3826 __ml->__add_char(__start_range[0]); 3827 else 3828 __ml->__add_digraph(__start_range[0], __start_range[1]); 3829 } 3830 } 3831 else if (!__start_range.empty()) 3832 { 3833 if (__start_range.size() == 1) 3834 __ml->__add_char(__start_range[0]); 3835 else 3836 __ml->__add_digraph(__start_range[0], __start_range[1]); 3837 } 3838 } 3839 return __first; 3840} 3841 3842template <class _CharT, class _Traits> 3843template <class _ForwardIterator> 3844_ForwardIterator 3845basic_regex<_CharT, _Traits>::__parse_class_escape(_ForwardIterator __first, 3846 _ForwardIterator __last, 3847 basic_string<_CharT>& __str, 3848 __bracket_expression<_CharT, _Traits>* __ml) 3849{ 3850#ifndef _LIBCPP_NO_EXCEPTIONS 3851 if (__first == __last) 3852 throw regex_error(regex_constants::error_escape); 3853#endif // _LIBCPP_NO_EXCEPTIONS 3854 switch (*__first) 3855 { 3856 case 0: 3857 __str = *__first; 3858 return ++__first; 3859 case 'b': 3860 __str = _CharT(8); 3861 return ++__first; 3862 case 'd': 3863 __ml->__add_class(ctype_base::digit); 3864 return ++__first; 3865 case 'D': 3866 __ml->__add_neg_class(ctype_base::digit); 3867 return ++__first; 3868 case 's': 3869 __ml->__add_class(ctype_base::space); 3870 return ++__first; 3871 case 'S': 3872 __ml->__add_neg_class(ctype_base::space); 3873 return ++__first; 3874 case 'w': 3875 __ml->__add_class(ctype_base::alnum); 3876 __ml->__add_char('_'); 3877 return ++__first; 3878 case 'W': 3879 __ml->__add_neg_class(ctype_base::alnum); 3880 __ml->__add_neg_char('_'); 3881 return ++__first; 3882 } 3883 __first = __parse_character_escape(__first, __last, &__str); 3884 return __first; 3885} 3886 3887template <class _CharT, class _Traits> 3888template <class _ForwardIterator> 3889_ForwardIterator 3890basic_regex<_CharT, _Traits>::__parse_awk_escape(_ForwardIterator __first, 3891 _ForwardIterator __last, 3892 basic_string<_CharT>* __str) 3893{ 3894#ifndef _LIBCPP_NO_EXCEPTIONS 3895 if (__first == __last) 3896 throw regex_error(regex_constants::error_escape); 3897#endif // _LIBCPP_NO_EXCEPTIONS 3898 switch (*__first) 3899 { 3900 case '\\': 3901 case '"': 3902 case '/': 3903 if (__str) 3904 *__str = *__first; 3905 else 3906 __push_char(*__first); 3907 return ++__first; 3908 case 'a': 3909 if (__str) 3910 *__str = _CharT(7); 3911 else 3912 __push_char(_CharT(7)); 3913 return ++__first; 3914 case 'b': 3915 if (__str) 3916 *__str = _CharT(8); 3917 else 3918 __push_char(_CharT(8)); 3919 return ++__first; 3920 case 'f': 3921 if (__str) 3922 *__str = _CharT(0xC); 3923 else 3924 __push_char(_CharT(0xC)); 3925 return ++__first; 3926 case 'n': 3927 if (__str) 3928 *__str = _CharT(0xA); 3929 else 3930 __push_char(_CharT(0xA)); 3931 return ++__first; 3932 case 'r': 3933 if (__str) 3934 *__str = _CharT(0xD); 3935 else 3936 __push_char(_CharT(0xD)); 3937 return ++__first; 3938 case 't': 3939 if (__str) 3940 *__str = _CharT(0x9); 3941 else 3942 __push_char(_CharT(0x9)); 3943 return ++__first; 3944 case 'v': 3945 if (__str) 3946 *__str = _CharT(0xB); 3947 else 3948 __push_char(_CharT(0xB)); 3949 return ++__first; 3950 } 3951 if ('0' <= *__first && *__first <= '7') 3952 { 3953 unsigned __val = *__first - '0'; 3954 if (++__first != __last && ('0' <= *__first && *__first <= '7')) 3955 { 3956 __val = 8 * __val + *__first - '0'; 3957 if (++__first != __last && ('0' <= *__first && *__first <= '7')) 3958 __val = 8 * __val + *__first++ - '0'; 3959 } 3960 if (__str) 3961 *__str = _CharT(__val); 3962 else 3963 __push_char(_CharT(__val)); 3964 } 3965#ifndef _LIBCPP_NO_EXCEPTIONS 3966 else 3967 throw regex_error(regex_constants::error_escape); 3968#endif // _LIBCPP_NO_EXCEPTIONS 3969 return __first; 3970} 3971 3972template <class _CharT, class _Traits> 3973template <class _ForwardIterator> 3974_ForwardIterator 3975basic_regex<_CharT, _Traits>::__parse_equivalence_class(_ForwardIterator __first, 3976 _ForwardIterator __last, 3977 __bracket_expression<_CharT, _Traits>* __ml) 3978{ 3979 // Found [= 3980 // This means =] must exist 3981 value_type _Equal_close[2] = {'=', ']'}; 3982 _ForwardIterator __temp = _VSTD::search(__first, __last, _Equal_close, 3983 _Equal_close+2); 3984#ifndef _LIBCPP_NO_EXCEPTIONS 3985 if (__temp == __last) 3986 throw regex_error(regex_constants::error_brack); 3987#endif // _LIBCPP_NO_EXCEPTIONS 3988 // [__first, __temp) contains all text in [= ... =] 3989 typedef typename _Traits::string_type string_type; 3990 string_type __collate_name = 3991 __traits_.lookup_collatename(__first, __temp); 3992#ifndef _LIBCPP_NO_EXCEPTIONS 3993 if (__collate_name.empty()) 3994 throw regex_error(regex_constants::error_collate); 3995#endif // _LIBCPP_NO_EXCEPTIONS 3996 string_type __equiv_name = 3997 __traits_.transform_primary(__collate_name.begin(), 3998 __collate_name.end()); 3999 if (!__equiv_name.empty()) 4000 __ml->__add_equivalence(__equiv_name); 4001 else 4002 { 4003 switch (__collate_name.size()) 4004 { 4005 case 1: 4006 __ml->__add_char(__collate_name[0]); 4007 break; 4008 case 2: 4009 __ml->__add_digraph(__collate_name[0], __collate_name[1]); 4010 break; 4011#ifndef _LIBCPP_NO_EXCEPTIONS 4012 default: 4013 throw regex_error(regex_constants::error_collate); 4014#endif // _LIBCPP_NO_EXCEPTIONS 4015 } 4016 } 4017 __first = _VSTD::next(__temp, 2); 4018 return __first; 4019} 4020 4021template <class _CharT, class _Traits> 4022template <class _ForwardIterator> 4023_ForwardIterator 4024basic_regex<_CharT, _Traits>::__parse_character_class(_ForwardIterator __first, 4025 _ForwardIterator __last, 4026 __bracket_expression<_CharT, _Traits>* __ml) 4027{ 4028 // Found [: 4029 // This means :] must exist 4030 value_type _Colon_close[2] = {':', ']'}; 4031 _ForwardIterator __temp = _VSTD::search(__first, __last, _Colon_close, 4032 _Colon_close+2); 4033#ifndef _LIBCPP_NO_EXCEPTIONS 4034 if (__temp == __last) 4035 throw regex_error(regex_constants::error_brack); 4036#endif // _LIBCPP_NO_EXCEPTIONS 4037 // [__first, __temp) contains all text in [: ... :] 4038 typedef typename _Traits::char_class_type char_class_type; 4039 char_class_type __class_type = 4040 __traits_.lookup_classname(__first, __temp, __flags_ & icase); 4041#ifndef _LIBCPP_NO_EXCEPTIONS 4042 if (__class_type == 0) 4043 throw regex_error(regex_constants::error_brack); 4044#endif // _LIBCPP_NO_EXCEPTIONS 4045 __ml->__add_class(__class_type); 4046 __first = _VSTD::next(__temp, 2); 4047 return __first; 4048} 4049 4050template <class _CharT, class _Traits> 4051template <class _ForwardIterator> 4052_ForwardIterator 4053basic_regex<_CharT, _Traits>::__parse_collating_symbol(_ForwardIterator __first, 4054 _ForwardIterator __last, 4055 basic_string<_CharT>& __col_sym) 4056{ 4057 // Found [. 4058 // This means .] must exist 4059 value_type _Dot_close[2] = {'.', ']'}; 4060 _ForwardIterator __temp = _VSTD::search(__first, __last, _Dot_close, 4061 _Dot_close+2); 4062#ifndef _LIBCPP_NO_EXCEPTIONS 4063 if (__temp == __last) 4064 throw regex_error(regex_constants::error_brack); 4065#endif // _LIBCPP_NO_EXCEPTIONS 4066 // [__first, __temp) contains all text in [. ... .] 4067 typedef typename _Traits::string_type string_type; 4068 __col_sym = __traits_.lookup_collatename(__first, __temp); 4069 switch (__col_sym.size()) 4070 { 4071 case 1: 4072 case 2: 4073 break; 4074#ifndef _LIBCPP_NO_EXCEPTIONS 4075 default: 4076 throw regex_error(regex_constants::error_collate); 4077#endif // _LIBCPP_NO_EXCEPTIONS 4078 } 4079 __first = _VSTD::next(__temp, 2); 4080 return __first; 4081} 4082 4083template <class _CharT, class _Traits> 4084template <class _ForwardIterator> 4085_ForwardIterator 4086basic_regex<_CharT, _Traits>::__parse_DUP_COUNT(_ForwardIterator __first, 4087 _ForwardIterator __last, 4088 int& __c) 4089{ 4090 if (__first != __last ) 4091 { 4092 int __val = __traits_.value(*__first, 10); 4093 if ( __val != -1 ) 4094 { 4095 __c = __val; 4096 for (++__first; 4097 __first != __last && ( __val = __traits_.value(*__first, 10)) != -1; 4098 ++__first) 4099 { 4100 __c *= 10; 4101 __c += __val; 4102 } 4103 } 4104 } 4105 return __first; 4106} 4107 4108template <class _CharT, class _Traits> 4109template <class _ForwardIterator> 4110_ForwardIterator 4111basic_regex<_CharT, _Traits>::__parse_ecma_exp(_ForwardIterator __first, 4112 _ForwardIterator __last) 4113{ 4114 __owns_one_state<_CharT>* __sa = __end_; 4115 _ForwardIterator __temp = __parse_alternative(__first, __last); 4116 if (__temp == __first) 4117 __push_empty(); 4118 __first = __temp; 4119 while (__first != __last && *__first == '|') 4120 { 4121 __owns_one_state<_CharT>* __sb = __end_; 4122 __temp = __parse_alternative(++__first, __last); 4123 if (__temp == __first) 4124 __push_empty(); 4125 __push_alternation(__sa, __sb); 4126 __first = __temp; 4127 } 4128 return __first; 4129} 4130 4131template <class _CharT, class _Traits> 4132template <class _ForwardIterator> 4133_ForwardIterator 4134basic_regex<_CharT, _Traits>::__parse_alternative(_ForwardIterator __first, 4135 _ForwardIterator __last) 4136{ 4137 while (true) 4138 { 4139 _ForwardIterator __temp = __parse_term(__first, __last); 4140 if (__temp == __first) 4141 break; 4142 __first = __temp; 4143 } 4144 return __first; 4145} 4146 4147template <class _CharT, class _Traits> 4148template <class _ForwardIterator> 4149_ForwardIterator 4150basic_regex<_CharT, _Traits>::__parse_term(_ForwardIterator __first, 4151 _ForwardIterator __last) 4152{ 4153 _ForwardIterator __temp = __parse_assertion(__first, __last); 4154 if (__temp == __first) 4155 { 4156 __owns_one_state<_CharT>* __e = __end_; 4157 unsigned __mexp_begin = __marked_count_; 4158 __temp = __parse_atom(__first, __last); 4159 if (__temp != __first) 4160 __first = __parse_ERE_dupl_symbol(__temp, __last, __e, 4161 __mexp_begin+1, __marked_count_+1); 4162 } 4163 else 4164 __first = __temp; 4165 return __first; 4166} 4167 4168template <class _CharT, class _Traits> 4169template <class _ForwardIterator> 4170_ForwardIterator 4171basic_regex<_CharT, _Traits>::__parse_assertion(_ForwardIterator __first, 4172 _ForwardIterator __last) 4173{ 4174 if (__first != __last) 4175 { 4176 switch (*__first) 4177 { 4178 case '^': 4179 __push_l_anchor(); 4180 ++__first; 4181 break; 4182 case '$': 4183 __push_r_anchor(); 4184 ++__first; 4185 break; 4186 case '\\': 4187 { 4188 _ForwardIterator __temp = _VSTD::next(__first); 4189 if (__temp != __last) 4190 { 4191 if (*__temp == 'b') 4192 { 4193 __push_word_boundary(false); 4194 __first = ++__temp; 4195 } 4196 else if (*__temp == 'B') 4197 { 4198 __push_word_boundary(true); 4199 __first = ++__temp; 4200 } 4201 } 4202 } 4203 break; 4204 case '(': 4205 { 4206 _ForwardIterator __temp = _VSTD::next(__first); 4207 if (__temp != __last && *__temp == '?') 4208 { 4209 if (++__temp != __last) 4210 { 4211 switch (*__temp) 4212 { 4213 case '=': 4214 { 4215 basic_regex __exp; 4216 __exp.__flags_ = __flags_; 4217 __temp = __exp.__parse(++__temp, __last); 4218 unsigned __mexp = __exp.__marked_count_; 4219 __push_lookahead(_VSTD::move(__exp), false, __marked_count_); 4220 __marked_count_ += __mexp; 4221#ifndef _LIBCPP_NO_EXCEPTIONS 4222 if (__temp == __last || *__temp != ')') 4223 throw regex_error(regex_constants::error_paren); 4224#endif // _LIBCPP_NO_EXCEPTIONS 4225 __first = ++__temp; 4226 } 4227 break; 4228 case '!': 4229 { 4230 basic_regex __exp; 4231 __exp.__flags_ = __flags_; 4232 __temp = __exp.__parse(++__temp, __last); 4233 unsigned __mexp = __exp.__marked_count_; 4234 __push_lookahead(_VSTD::move(__exp), true, __marked_count_); 4235 __marked_count_ += __mexp; 4236#ifndef _LIBCPP_NO_EXCEPTIONS 4237 if (__temp == __last || *__temp != ')') 4238 throw regex_error(regex_constants::error_paren); 4239#endif // _LIBCPP_NO_EXCEPTIONS 4240 __first = ++__temp; 4241 } 4242 break; 4243 } 4244 } 4245 } 4246 } 4247 break; 4248 } 4249 } 4250 return __first; 4251} 4252 4253template <class _CharT, class _Traits> 4254template <class _ForwardIterator> 4255_ForwardIterator 4256basic_regex<_CharT, _Traits>::__parse_atom(_ForwardIterator __first, 4257 _ForwardIterator __last) 4258{ 4259 if (__first != __last) 4260 { 4261 switch (*__first) 4262 { 4263 case '.': 4264 __push_match_any_but_newline(); 4265 ++__first; 4266 break; 4267 case '\\': 4268 __first = __parse_atom_escape(__first, __last); 4269 break; 4270 case '[': 4271 __first = __parse_bracket_expression(__first, __last); 4272 break; 4273 case '(': 4274 { 4275 ++__first; 4276#ifndef _LIBCPP_NO_EXCEPTIONS 4277 if (__first == __last) 4278 throw regex_error(regex_constants::error_paren); 4279#endif // _LIBCPP_NO_EXCEPTIONS 4280 _ForwardIterator __temp = _VSTD::next(__first); 4281 if (__temp != __last && *__first == '?' && *__temp == ':') 4282 { 4283 ++__open_count_; 4284 __first = __parse_ecma_exp(++__temp, __last); 4285#ifndef _LIBCPP_NO_EXCEPTIONS 4286 if (__first == __last || *__first != ')') 4287 throw regex_error(regex_constants::error_paren); 4288#endif // _LIBCPP_NO_EXCEPTIONS 4289 --__open_count_; 4290 ++__first; 4291 } 4292 else 4293 { 4294 __push_begin_marked_subexpression(); 4295 unsigned __temp_count = __marked_count_; 4296 ++__open_count_; 4297 __first = __parse_ecma_exp(__first, __last); 4298#ifndef _LIBCPP_NO_EXCEPTIONS 4299 if (__first == __last || *__first != ')') 4300 throw regex_error(regex_constants::error_paren); 4301#endif // _LIBCPP_NO_EXCEPTIONS 4302 __push_end_marked_subexpression(__temp_count); 4303 --__open_count_; 4304 ++__first; 4305 } 4306 } 4307 break; 4308 default: 4309 __first = __parse_pattern_character(__first, __last); 4310 break; 4311 } 4312 } 4313 return __first; 4314} 4315 4316template <class _CharT, class _Traits> 4317template <class _ForwardIterator> 4318_ForwardIterator 4319basic_regex<_CharT, _Traits>::__parse_atom_escape(_ForwardIterator __first, 4320 _ForwardIterator __last) 4321{ 4322 if (__first != __last && *__first == '\\') 4323 { 4324 _ForwardIterator __t1 = _VSTD::next(__first); 4325 _ForwardIterator __t2 = __parse_decimal_escape(__t1, __last); 4326 if (__t2 != __t1) 4327 __first = __t2; 4328 else 4329 { 4330 __t2 = __parse_character_class_escape(__t1, __last); 4331 if (__t2 != __t1) 4332 __first = __t2; 4333 else 4334 { 4335 __t2 = __parse_character_escape(__t1, __last); 4336 if (__t2 != __t1) 4337 __first = __t2; 4338 } 4339 } 4340 } 4341 return __first; 4342} 4343 4344template <class _CharT, class _Traits> 4345template <class _ForwardIterator> 4346_ForwardIterator 4347basic_regex<_CharT, _Traits>::__parse_decimal_escape(_ForwardIterator __first, 4348 _ForwardIterator __last) 4349{ 4350 if (__first != __last) 4351 { 4352 if (*__first == '0') 4353 { 4354 __push_char(_CharT()); 4355 ++__first; 4356 } 4357 else if ('1' <= *__first && *__first <= '9') 4358 { 4359 unsigned __v = *__first - '0'; 4360 for (++__first; '0' <= *__first && *__first <= '9'; ++__first) 4361 __v = 10 * __v + *__first - '0'; 4362#ifndef _LIBCPP_NO_EXCEPTIONS 4363 if (__v > mark_count()) 4364 throw regex_error(regex_constants::error_backref); 4365#endif // _LIBCPP_NO_EXCEPTIONS 4366 __push_back_ref(__v); 4367 } 4368 } 4369 return __first; 4370} 4371 4372template <class _CharT, class _Traits> 4373template <class _ForwardIterator> 4374_ForwardIterator 4375basic_regex<_CharT, _Traits>::__parse_character_class_escape(_ForwardIterator __first, 4376 _ForwardIterator __last) 4377{ 4378 if (__first != __last) 4379 { 4380 __bracket_expression<_CharT, _Traits>* __ml; 4381 switch (*__first) 4382 { 4383 case 'd': 4384 __ml = __start_matching_list(false); 4385 __ml->__add_class(ctype_base::digit); 4386 ++__first; 4387 break; 4388 case 'D': 4389 __ml = __start_matching_list(true); 4390 __ml->__add_class(ctype_base::digit); 4391 ++__first; 4392 break; 4393 case 's': 4394 __ml = __start_matching_list(false); 4395 __ml->__add_class(ctype_base::space); 4396 ++__first; 4397 break; 4398 case 'S': 4399 __ml = __start_matching_list(true); 4400 __ml->__add_class(ctype_base::space); 4401 ++__first; 4402 break; 4403 case 'w': 4404 __ml = __start_matching_list(false); 4405 __ml->__add_class(ctype_base::alnum); 4406 __ml->__add_char('_'); 4407 ++__first; 4408 break; 4409 case 'W': 4410 __ml = __start_matching_list(true); 4411 __ml->__add_class(ctype_base::alnum); 4412 __ml->__add_char('_'); 4413 ++__first; 4414 break; 4415 } 4416 } 4417 return __first; 4418} 4419 4420template <class _CharT, class _Traits> 4421template <class _ForwardIterator> 4422_ForwardIterator 4423basic_regex<_CharT, _Traits>::__parse_character_escape(_ForwardIterator __first, 4424 _ForwardIterator __last, 4425 basic_string<_CharT>* __str) 4426{ 4427 if (__first != __last) 4428 { 4429 _ForwardIterator __t; 4430 unsigned __sum = 0; 4431 int __hd; 4432 switch (*__first) 4433 { 4434 case 'f': 4435 if (__str) 4436 *__str = _CharT(0xC); 4437 else 4438 __push_char(_CharT(0xC)); 4439 ++__first; 4440 break; 4441 case 'n': 4442 if (__str) 4443 *__str = _CharT(0xA); 4444 else 4445 __push_char(_CharT(0xA)); 4446 ++__first; 4447 break; 4448 case 'r': 4449 if (__str) 4450 *__str = _CharT(0xD); 4451 else 4452 __push_char(_CharT(0xD)); 4453 ++__first; 4454 break; 4455 case 't': 4456 if (__str) 4457 *__str = _CharT(0x9); 4458 else 4459 __push_char(_CharT(0x9)); 4460 ++__first; 4461 break; 4462 case 'v': 4463 if (__str) 4464 *__str = _CharT(0xB); 4465 else 4466 __push_char(_CharT(0xB)); 4467 ++__first; 4468 break; 4469 case 'c': 4470 if ((__t = _VSTD::next(__first)) != __last) 4471 { 4472 if (('A' <= *__t && *__t <= 'Z') || 4473 ('a' <= *__t && *__t <= 'z')) 4474 { 4475 if (__str) 4476 *__str = _CharT(*__t % 32); 4477 else 4478 __push_char(_CharT(*__t % 32)); 4479 __first = ++__t; 4480 } 4481#ifndef _LIBCPP_NO_EXCEPTIONS 4482 else 4483 throw regex_error(regex_constants::error_escape); 4484#endif // _LIBCPP_NO_EXCEPTIONS 4485 } 4486#ifndef _LIBCPP_NO_EXCEPTIONS 4487 else 4488 throw regex_error(regex_constants::error_escape); 4489#endif // _LIBCPP_NO_EXCEPTIONS 4490 break; 4491 case 'u': 4492 ++__first; 4493#ifndef _LIBCPP_NO_EXCEPTIONS 4494 if (__first == __last) 4495 throw regex_error(regex_constants::error_escape); 4496#endif // _LIBCPP_NO_EXCEPTIONS 4497 __hd = __traits_.value(*__first, 16); 4498#ifndef _LIBCPP_NO_EXCEPTIONS 4499 if (__hd == -1) 4500 throw regex_error(regex_constants::error_escape); 4501#endif // _LIBCPP_NO_EXCEPTIONS 4502 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4503 ++__first; 4504#ifndef _LIBCPP_NO_EXCEPTIONS 4505 if (__first == __last) 4506 throw regex_error(regex_constants::error_escape); 4507#endif // _LIBCPP_NO_EXCEPTIONS 4508 __hd = __traits_.value(*__first, 16); 4509#ifndef _LIBCPP_NO_EXCEPTIONS 4510 if (__hd == -1) 4511 throw regex_error(regex_constants::error_escape); 4512#endif // _LIBCPP_NO_EXCEPTIONS 4513 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4514 // drop through 4515 case 'x': 4516 ++__first; 4517#ifndef _LIBCPP_NO_EXCEPTIONS 4518 if (__first == __last) 4519 throw regex_error(regex_constants::error_escape); 4520#endif // _LIBCPP_NO_EXCEPTIONS 4521 __hd = __traits_.value(*__first, 16); 4522#ifndef _LIBCPP_NO_EXCEPTIONS 4523 if (__hd == -1) 4524 throw regex_error(regex_constants::error_escape); 4525#endif // _LIBCPP_NO_EXCEPTIONS 4526 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4527 ++__first; 4528#ifndef _LIBCPP_NO_EXCEPTIONS 4529 if (__first == __last) 4530 throw regex_error(regex_constants::error_escape); 4531#endif // _LIBCPP_NO_EXCEPTIONS 4532 __hd = __traits_.value(*__first, 16); 4533#ifndef _LIBCPP_NO_EXCEPTIONS 4534 if (__hd == -1) 4535 throw regex_error(regex_constants::error_escape); 4536#endif // _LIBCPP_NO_EXCEPTIONS 4537 __sum = 16 * __sum + static_cast<unsigned>(__hd); 4538 if (__str) 4539 *__str = _CharT(__sum); 4540 else 4541 __push_char(_CharT(__sum)); 4542 ++__first; 4543 break; 4544 case '0': 4545 if (__str) 4546 *__str = _CharT(0); 4547 else 4548 __push_char(_CharT(0)); 4549 ++__first; 4550 break; 4551 default: 4552 if (*__first != '_' && !__traits_.isctype(*__first, ctype_base::alnum)) 4553 { 4554 if (__str) 4555 *__str = *__first; 4556 else 4557 __push_char(*__first); 4558 ++__first; 4559 } 4560#ifndef _LIBCPP_NO_EXCEPTIONS 4561 else 4562 throw regex_error(regex_constants::error_escape); 4563#endif // _LIBCPP_NO_EXCEPTIONS 4564 break; 4565 } 4566 } 4567 return __first; 4568} 4569 4570template <class _CharT, class _Traits> 4571template <class _ForwardIterator> 4572_ForwardIterator 4573basic_regex<_CharT, _Traits>::__parse_pattern_character(_ForwardIterator __first, 4574 _ForwardIterator __last) 4575{ 4576 if (__first != __last) 4577 { 4578 switch (*__first) 4579 { 4580 case '^': 4581 case '$': 4582 case '\\': 4583 case '.': 4584 case '*': 4585 case '+': 4586 case '?': 4587 case '(': 4588 case ')': 4589 case '[': 4590 case ']': 4591 case '{': 4592 case '}': 4593 case '|': 4594 break; 4595 default: 4596 __push_char(*__first); 4597 ++__first; 4598 break; 4599 } 4600 } 4601 return __first; 4602} 4603 4604template <class _CharT, class _Traits> 4605template <class _ForwardIterator> 4606_ForwardIterator 4607basic_regex<_CharT, _Traits>::__parse_grep(_ForwardIterator __first, 4608 _ForwardIterator __last) 4609{ 4610 __owns_one_state<_CharT>* __sa = __end_; 4611 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4612 if (__t1 != __first) 4613 __parse_basic_reg_exp(__first, __t1); 4614 else 4615 __push_empty(); 4616 __first = __t1; 4617 if (__first != __last) 4618 ++__first; 4619 while (__first != __last) 4620 { 4621 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4622 __owns_one_state<_CharT>* __sb = __end_; 4623 if (__t1 != __first) 4624 __parse_basic_reg_exp(__first, __t1); 4625 else 4626 __push_empty(); 4627 __push_alternation(__sa, __sb); 4628 __first = __t1; 4629 if (__first != __last) 4630 ++__first; 4631 } 4632 return __first; 4633} 4634 4635template <class _CharT, class _Traits> 4636template <class _ForwardIterator> 4637_ForwardIterator 4638basic_regex<_CharT, _Traits>::__parse_egrep(_ForwardIterator __first, 4639 _ForwardIterator __last) 4640{ 4641 __owns_one_state<_CharT>* __sa = __end_; 4642 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4643 if (__t1 != __first) 4644 __parse_extended_reg_exp(__first, __t1); 4645 else 4646 __push_empty(); 4647 __first = __t1; 4648 if (__first != __last) 4649 ++__first; 4650 while (__first != __last) 4651 { 4652 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4653 __owns_one_state<_CharT>* __sb = __end_; 4654 if (__t1 != __first) 4655 __parse_extended_reg_exp(__first, __t1); 4656 else 4657 __push_empty(); 4658 __push_alternation(__sa, __sb); 4659 __first = __t1; 4660 if (__first != __last) 4661 ++__first; 4662 } 4663 return __first; 4664} 4665 4666template <class _CharT, class _Traits> 4667void 4668basic_regex<_CharT, _Traits>::__push_loop(size_t __min, size_t __max, 4669 __owns_one_state<_CharT>* __s, size_t __mexp_begin, size_t __mexp_end, 4670 bool __greedy) 4671{ 4672 unique_ptr<__empty_state<_CharT> > __e1(new __empty_state<_CharT>(__end_->first())); 4673 __end_->first() = nullptr; 4674 unique_ptr<__loop<_CharT> > __e2(new __loop<_CharT>(__loop_count_, 4675 __s->first(), __e1.get(), __mexp_begin, __mexp_end, __greedy, 4676 __min, __max)); 4677 __s->first() = nullptr; 4678 __e1.release(); 4679 __end_->first() = new __repeat_one_loop<_CharT>(__e2.get()); 4680 __end_ = __e2->second(); 4681 __s->first() = __e2.release(); 4682 ++__loop_count_; 4683} 4684 4685template <class _CharT, class _Traits> 4686void 4687basic_regex<_CharT, _Traits>::__push_char(value_type __c) 4688{ 4689 if (flags() & icase) 4690 __end_->first() = new __match_char_icase<_CharT, _Traits> 4691 (__traits_, __c, __end_->first()); 4692 else if (flags() & collate) 4693 __end_->first() = new __match_char_collate<_CharT, _Traits> 4694 (__traits_, __c, __end_->first()); 4695 else 4696 __end_->first() = new __match_char<_CharT>(__c, __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_begin_marked_subexpression() 4703{ 4704 if (!(__flags_ & nosubs)) 4705 { 4706 __end_->first() = 4707 new __begin_marked_subexpression<_CharT>(++__marked_count_, 4708 __end_->first()); 4709 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4710 } 4711} 4712 4713template <class _CharT, class _Traits> 4714void 4715basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub) 4716{ 4717 if (!(__flags_ & nosubs)) 4718 { 4719 __end_->first() = 4720 new __end_marked_subexpression<_CharT>(__sub, __end_->first()); 4721 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4722 } 4723} 4724 4725template <class _CharT, class _Traits> 4726void 4727basic_regex<_CharT, _Traits>::__push_l_anchor() 4728{ 4729 __end_->first() = new __l_anchor<_CharT>(__end_->first()); 4730 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4731} 4732 4733template <class _CharT, class _Traits> 4734void 4735basic_regex<_CharT, _Traits>::__push_r_anchor() 4736{ 4737 __end_->first() = new __r_anchor<_CharT>(__end_->first()); 4738 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4739} 4740 4741template <class _CharT, class _Traits> 4742void 4743basic_regex<_CharT, _Traits>::__push_match_any() 4744{ 4745 __end_->first() = new __match_any<_CharT>(__end_->first()); 4746 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4747} 4748 4749template <class _CharT, class _Traits> 4750void 4751basic_regex<_CharT, _Traits>::__push_match_any_but_newline() 4752{ 4753 __end_->first() = new __match_any_but_newline<_CharT>(__end_->first()); 4754 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4755} 4756 4757template <class _CharT, class _Traits> 4758void 4759basic_regex<_CharT, _Traits>::__push_empty() 4760{ 4761 __end_->first() = new __empty_state<_CharT>(__end_->first()); 4762 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4763} 4764 4765template <class _CharT, class _Traits> 4766void 4767basic_regex<_CharT, _Traits>::__push_word_boundary(bool __invert) 4768{ 4769 __end_->first() = new __word_boundary<_CharT, _Traits>(__traits_, __invert, 4770 __end_->first()); 4771 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4772} 4773 4774template <class _CharT, class _Traits> 4775void 4776basic_regex<_CharT, _Traits>::__push_back_ref(int __i) 4777{ 4778 if (flags() & icase) 4779 __end_->first() = new __back_ref_icase<_CharT, _Traits> 4780 (__traits_, __i, __end_->first()); 4781 else if (flags() & collate) 4782 __end_->first() = new __back_ref_collate<_CharT, _Traits> 4783 (__traits_, __i, __end_->first()); 4784 else 4785 __end_->first() = new __back_ref<_CharT>(__i, __end_->first()); 4786 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4787} 4788 4789template <class _CharT, class _Traits> 4790void 4791basic_regex<_CharT, _Traits>::__push_alternation(__owns_one_state<_CharT>* __sa, 4792 __owns_one_state<_CharT>* __ea) 4793{ 4794 __sa->first() = new __alternate<_CharT>( 4795 static_cast<__owns_one_state<_CharT>*>(__sa->first()), 4796 static_cast<__owns_one_state<_CharT>*>(__ea->first())); 4797 __ea->first() = nullptr; 4798 __ea->first() = new __empty_state<_CharT>(__end_->first()); 4799 __end_->first() = nullptr; 4800 __end_->first() = new __empty_non_own_state<_CharT>(__ea->first()); 4801 __end_ = static_cast<__owns_one_state<_CharT>*>(__ea->first()); 4802} 4803 4804template <class _CharT, class _Traits> 4805__bracket_expression<_CharT, _Traits>* 4806basic_regex<_CharT, _Traits>::__start_matching_list(bool __negate) 4807{ 4808 __bracket_expression<_CharT, _Traits>* __r = 4809 new __bracket_expression<_CharT, _Traits>(__traits_, __end_->first(), 4810 __negate, __flags_ & icase, 4811 __flags_ & collate); 4812 __end_->first() = __r; 4813 __end_ = __r; 4814 return __r; 4815} 4816 4817template <class _CharT, class _Traits> 4818void 4819basic_regex<_CharT, _Traits>::__push_lookahead(const basic_regex& __exp, 4820 bool __invert, 4821 unsigned __mexp) 4822{ 4823 __end_->first() = new __lookahead<_CharT, _Traits>(__exp, __invert, 4824 __end_->first(), __mexp); 4825 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4826} 4827 4828typedef basic_regex<char> regex; 4829typedef basic_regex<wchar_t> wregex; 4830 4831// sub_match 4832 4833template <class _BidirectionalIterator> 4834class _LIBCPP_TYPE_VIS_ONLY sub_match 4835 : public pair<_BidirectionalIterator, _BidirectionalIterator> 4836{ 4837public: 4838 typedef _BidirectionalIterator iterator; 4839 typedef typename iterator_traits<iterator>::value_type value_type; 4840 typedef typename iterator_traits<iterator>::difference_type difference_type; 4841 typedef basic_string<value_type> string_type; 4842 4843 bool matched; 4844 4845 _LIBCPP_INLINE_VISIBILITY 4846 _LIBCPP_CONSTEXPR sub_match() : matched() {} 4847 4848 _LIBCPP_INLINE_VISIBILITY 4849 difference_type length() const 4850 {return matched ? _VSTD::distance(this->first, this->second) : 0;} 4851 _LIBCPP_INLINE_VISIBILITY 4852 string_type str() const 4853 {return matched ? string_type(this->first, this->second) : string_type();} 4854 _LIBCPP_INLINE_VISIBILITY 4855 operator string_type() const 4856 {return str();} 4857 4858 _LIBCPP_INLINE_VISIBILITY 4859 int compare(const sub_match& __s) const 4860 {return str().compare(__s.str());} 4861 _LIBCPP_INLINE_VISIBILITY 4862 int compare(const string_type& __s) const 4863 {return str().compare(__s);} 4864 _LIBCPP_INLINE_VISIBILITY 4865 int compare(const value_type* __s) const 4866 {return str().compare(__s);} 4867}; 4868 4869typedef sub_match<const char*> csub_match; 4870typedef sub_match<const wchar_t*> wcsub_match; 4871typedef sub_match<string::const_iterator> ssub_match; 4872typedef sub_match<wstring::const_iterator> wssub_match; 4873 4874template <class _BiIter> 4875inline _LIBCPP_INLINE_VISIBILITY 4876bool 4877operator==(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4878{ 4879 return __x.compare(__y) == 0; 4880} 4881 4882template <class _BiIter> 4883inline _LIBCPP_INLINE_VISIBILITY 4884bool 4885operator!=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4886{ 4887 return !(__x == __y); 4888} 4889 4890template <class _BiIter> 4891inline _LIBCPP_INLINE_VISIBILITY 4892bool 4893operator<(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4894{ 4895 return __x.compare(__y) < 0; 4896} 4897 4898template <class _BiIter> 4899inline _LIBCPP_INLINE_VISIBILITY 4900bool 4901operator<=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4902{ 4903 return !(__y < __x); 4904} 4905 4906template <class _BiIter> 4907inline _LIBCPP_INLINE_VISIBILITY 4908bool 4909operator>=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4910{ 4911 return !(__x < __y); 4912} 4913 4914template <class _BiIter> 4915inline _LIBCPP_INLINE_VISIBILITY 4916bool 4917operator>(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4918{ 4919 return __y < __x; 4920} 4921 4922template <class _BiIter, class _ST, class _SA> 4923inline _LIBCPP_INLINE_VISIBILITY 4924bool 4925operator==(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4926 const sub_match<_BiIter>& __y) 4927{ 4928 return __y.compare(__x.c_str()) == 0; 4929} 4930 4931template <class _BiIter, class _ST, class _SA> 4932inline _LIBCPP_INLINE_VISIBILITY 4933bool 4934operator!=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4935 const sub_match<_BiIter>& __y) 4936{ 4937 return !(__x == __y); 4938} 4939 4940template <class _BiIter, class _ST, class _SA> 4941inline _LIBCPP_INLINE_VISIBILITY 4942bool 4943operator<(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4944 const sub_match<_BiIter>& __y) 4945{ 4946 return __y.compare(__x.c_str()) > 0; 4947} 4948 4949template <class _BiIter, class _ST, class _SA> 4950inline _LIBCPP_INLINE_VISIBILITY 4951bool 4952operator>(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4953 const sub_match<_BiIter>& __y) 4954{ 4955 return __y < __x; 4956} 4957 4958template <class _BiIter, class _ST, class _SA> 4959inline _LIBCPP_INLINE_VISIBILITY 4960bool operator>=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4961 const sub_match<_BiIter>& __y) 4962{ 4963 return !(__x < __y); 4964} 4965 4966template <class _BiIter, class _ST, class _SA> 4967inline _LIBCPP_INLINE_VISIBILITY 4968bool 4969operator<=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4970 const sub_match<_BiIter>& __y) 4971{ 4972 return !(__y < __x); 4973} 4974 4975template <class _BiIter, class _ST, class _SA> 4976inline _LIBCPP_INLINE_VISIBILITY 4977bool 4978operator==(const sub_match<_BiIter>& __x, 4979 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4980{ 4981 return __x.compare(__y.c_str()) == 0; 4982} 4983 4984template <class _BiIter, class _ST, class _SA> 4985inline _LIBCPP_INLINE_VISIBILITY 4986bool 4987operator!=(const sub_match<_BiIter>& __x, 4988 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4989{ 4990 return !(__x == __y); 4991} 4992 4993template <class _BiIter, class _ST, class _SA> 4994inline _LIBCPP_INLINE_VISIBILITY 4995bool 4996operator<(const sub_match<_BiIter>& __x, 4997 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4998{ 4999 return __x.compare(__y.c_str()) < 0; 5000} 5001 5002template <class _BiIter, class _ST, class _SA> 5003inline _LIBCPP_INLINE_VISIBILITY 5004bool operator>(const sub_match<_BiIter>& __x, 5005 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 5006{ 5007 return __y < __x; 5008} 5009 5010template <class _BiIter, class _ST, class _SA> 5011inline _LIBCPP_INLINE_VISIBILITY 5012bool 5013operator>=(const sub_match<_BiIter>& __x, 5014 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 5015{ 5016 return !(__x < __y); 5017} 5018 5019template <class _BiIter, class _ST, class _SA> 5020inline _LIBCPP_INLINE_VISIBILITY 5021bool 5022operator<=(const sub_match<_BiIter>& __x, 5023 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 5024{ 5025 return !(__y < __x); 5026} 5027 5028template <class _BiIter> 5029inline _LIBCPP_INLINE_VISIBILITY 5030bool 5031operator==(typename iterator_traits<_BiIter>::value_type const* __x, 5032 const sub_match<_BiIter>& __y) 5033{ 5034 return __y.compare(__x) == 0; 5035} 5036 5037template <class _BiIter> 5038inline _LIBCPP_INLINE_VISIBILITY 5039bool 5040operator!=(typename iterator_traits<_BiIter>::value_type const* __x, 5041 const sub_match<_BiIter>& __y) 5042{ 5043 return !(__x == __y); 5044} 5045 5046template <class _BiIter> 5047inline _LIBCPP_INLINE_VISIBILITY 5048bool 5049operator<(typename iterator_traits<_BiIter>::value_type const* __x, 5050 const sub_match<_BiIter>& __y) 5051{ 5052 return __y.compare(__x) > 0; 5053} 5054 5055template <class _BiIter> 5056inline _LIBCPP_INLINE_VISIBILITY 5057bool 5058operator>(typename iterator_traits<_BiIter>::value_type const* __x, 5059 const sub_match<_BiIter>& __y) 5060{ 5061 return __y < __x; 5062} 5063 5064template <class _BiIter> 5065inline _LIBCPP_INLINE_VISIBILITY 5066bool 5067operator>=(typename iterator_traits<_BiIter>::value_type const* __x, 5068 const sub_match<_BiIter>& __y) 5069{ 5070 return !(__x < __y); 5071} 5072 5073template <class _BiIter> 5074inline _LIBCPP_INLINE_VISIBILITY 5075bool 5076operator<=(typename iterator_traits<_BiIter>::value_type const* __x, 5077 const sub_match<_BiIter>& __y) 5078{ 5079 return !(__y < __x); 5080} 5081 5082template <class _BiIter> 5083inline _LIBCPP_INLINE_VISIBILITY 5084bool 5085operator==(const sub_match<_BiIter>& __x, 5086 typename iterator_traits<_BiIter>::value_type const* __y) 5087{ 5088 return __x.compare(__y) == 0; 5089} 5090 5091template <class _BiIter> 5092inline _LIBCPP_INLINE_VISIBILITY 5093bool 5094operator!=(const sub_match<_BiIter>& __x, 5095 typename iterator_traits<_BiIter>::value_type const* __y) 5096{ 5097 return !(__x == __y); 5098} 5099 5100template <class _BiIter> 5101inline _LIBCPP_INLINE_VISIBILITY 5102bool 5103operator<(const sub_match<_BiIter>& __x, 5104 typename iterator_traits<_BiIter>::value_type const* __y) 5105{ 5106 return __x.compare(__y) < 0; 5107} 5108 5109template <class _BiIter> 5110inline _LIBCPP_INLINE_VISIBILITY 5111bool 5112operator>(const sub_match<_BiIter>& __x, 5113 typename iterator_traits<_BiIter>::value_type const* __y) 5114{ 5115 return __y < __x; 5116} 5117 5118template <class _BiIter> 5119inline _LIBCPP_INLINE_VISIBILITY 5120bool 5121operator>=(const sub_match<_BiIter>& __x, 5122 typename iterator_traits<_BiIter>::value_type const* __y) 5123{ 5124 return !(__x < __y); 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 return !(__y < __x); 5134} 5135 5136template <class _BiIter> 5137inline _LIBCPP_INLINE_VISIBILITY 5138bool 5139operator==(typename iterator_traits<_BiIter>::value_type const& __x, 5140 const sub_match<_BiIter>& __y) 5141{ 5142 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5143 return __y.compare(string_type(1, __x)) == 0; 5144} 5145 5146template <class _BiIter> 5147inline _LIBCPP_INLINE_VISIBILITY 5148bool 5149operator!=(typename iterator_traits<_BiIter>::value_type const& __x, 5150 const sub_match<_BiIter>& __y) 5151{ 5152 return !(__x == __y); 5153} 5154 5155template <class _BiIter> 5156inline _LIBCPP_INLINE_VISIBILITY 5157bool 5158operator<(typename iterator_traits<_BiIter>::value_type const& __x, 5159 const sub_match<_BiIter>& __y) 5160{ 5161 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5162 return __y.compare(string_type(1, __x)) > 0; 5163} 5164 5165template <class _BiIter> 5166inline _LIBCPP_INLINE_VISIBILITY 5167bool 5168operator>(typename iterator_traits<_BiIter>::value_type const& __x, 5169 const sub_match<_BiIter>& __y) 5170{ 5171 return __y < __x; 5172} 5173 5174template <class _BiIter> 5175inline _LIBCPP_INLINE_VISIBILITY 5176bool 5177operator>=(typename iterator_traits<_BiIter>::value_type const& __x, 5178 const sub_match<_BiIter>& __y) 5179{ 5180 return !(__x < __y); 5181} 5182 5183template <class _BiIter> 5184inline _LIBCPP_INLINE_VISIBILITY 5185bool 5186operator<=(typename iterator_traits<_BiIter>::value_type const& __x, 5187 const sub_match<_BiIter>& __y) 5188{ 5189 return !(__y < __x); 5190} 5191 5192template <class _BiIter> 5193inline _LIBCPP_INLINE_VISIBILITY 5194bool 5195operator==(const sub_match<_BiIter>& __x, 5196 typename iterator_traits<_BiIter>::value_type const& __y) 5197{ 5198 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5199 return __x.compare(string_type(1, __y)) == 0; 5200} 5201 5202template <class _BiIter> 5203inline _LIBCPP_INLINE_VISIBILITY 5204bool 5205operator!=(const sub_match<_BiIter>& __x, 5206 typename iterator_traits<_BiIter>::value_type const& __y) 5207{ 5208 return !(__x == __y); 5209} 5210 5211template <class _BiIter> 5212inline _LIBCPP_INLINE_VISIBILITY 5213bool 5214operator<(const sub_match<_BiIter>& __x, 5215 typename iterator_traits<_BiIter>::value_type const& __y) 5216{ 5217 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5218 return __x.compare(string_type(1, __y)) < 0; 5219} 5220 5221template <class _BiIter> 5222inline _LIBCPP_INLINE_VISIBILITY 5223bool 5224operator>(const sub_match<_BiIter>& __x, 5225 typename iterator_traits<_BiIter>::value_type const& __y) 5226{ 5227 return __y < __x; 5228} 5229 5230template <class _BiIter> 5231inline _LIBCPP_INLINE_VISIBILITY 5232bool 5233operator>=(const sub_match<_BiIter>& __x, 5234 typename iterator_traits<_BiIter>::value_type const& __y) 5235{ 5236 return !(__x < __y); 5237} 5238 5239template <class _BiIter> 5240inline _LIBCPP_INLINE_VISIBILITY 5241bool 5242operator<=(const sub_match<_BiIter>& __x, 5243 typename iterator_traits<_BiIter>::value_type const& __y) 5244{ 5245 return !(__y < __x); 5246} 5247 5248template <class _CharT, class _ST, class _BiIter> 5249inline _LIBCPP_INLINE_VISIBILITY 5250basic_ostream<_CharT, _ST>& 5251operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m) 5252{ 5253 return __os << __m.str(); 5254} 5255 5256template <class _BidirectionalIterator, class _Allocator> 5257class _LIBCPP_TYPE_VIS_ONLY match_results 5258{ 5259public: 5260 typedef _Allocator allocator_type; 5261 typedef sub_match<_BidirectionalIterator> value_type; 5262private: 5263 typedef vector<value_type, allocator_type> __container_type; 5264 5265 __container_type __matches_; 5266 value_type __unmatched_; 5267 value_type __prefix_; 5268 value_type __suffix_; 5269 bool __ready_; 5270public: 5271 _BidirectionalIterator __position_start_; 5272 typedef const value_type& const_reference; 5273 typedef value_type& reference; 5274 typedef typename __container_type::const_iterator const_iterator; 5275 typedef const_iterator iterator; 5276 typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type; 5277 typedef typename allocator_traits<allocator_type>::size_type size_type; 5278 typedef typename iterator_traits<_BidirectionalIterator>::value_type char_type; 5279 typedef basic_string<char_type> string_type; 5280 5281 // construct/copy/destroy: 5282 explicit match_results(const allocator_type& __a = allocator_type()); 5283// match_results(const match_results&) = default; 5284// match_results& operator=(const match_results&) = default; 5285// match_results(match_results&& __m) = default; 5286// match_results& operator=(match_results&& __m) = default; 5287// ~match_results() = default; 5288 5289 _LIBCPP_INLINE_VISIBILITY 5290 bool ready() const {return __ready_;} 5291 5292 // size: 5293 _LIBCPP_INLINE_VISIBILITY 5294 size_type size() const {return __matches_.size();} 5295 _LIBCPP_INLINE_VISIBILITY 5296 size_type max_size() const {return __matches_.max_size();} 5297 _LIBCPP_INLINE_VISIBILITY 5298 bool empty() const {return size() == 0;} 5299 5300 // element access: 5301 _LIBCPP_INLINE_VISIBILITY 5302 difference_type length(size_type __sub = 0) const 5303 {return (*this)[__sub].length();} 5304 _LIBCPP_INLINE_VISIBILITY 5305 difference_type position(size_type __sub = 0) const 5306 {return _VSTD::distance(__position_start_, (*this)[__sub].first);} 5307 _LIBCPP_INLINE_VISIBILITY 5308 string_type str(size_type __sub = 0) const 5309 {return (*this)[__sub].str();} 5310 _LIBCPP_INLINE_VISIBILITY 5311 const_reference operator[](size_type __n) const 5312 {return __n < __matches_.size() ? __matches_[__n] : __unmatched_;} 5313 5314 _LIBCPP_INLINE_VISIBILITY 5315 const_reference prefix() const {return __prefix_;} 5316 _LIBCPP_INLINE_VISIBILITY 5317 const_reference suffix() const {return __suffix_;} 5318 5319 _LIBCPP_INLINE_VISIBILITY 5320 const_iterator begin() const {return empty() ? __matches_.end() : __matches_.begin();} 5321 _LIBCPP_INLINE_VISIBILITY 5322 const_iterator end() const {return __matches_.end();} 5323 _LIBCPP_INLINE_VISIBILITY 5324 const_iterator cbegin() const {return empty() ? __matches_.end() : __matches_.begin();} 5325 _LIBCPP_INLINE_VISIBILITY 5326 const_iterator cend() const {return __matches_.end();} 5327 5328 // format: 5329 template <class _OutputIter> 5330 _OutputIter 5331 format(_OutputIter __out, const char_type* __fmt_first, 5332 const char_type* __fmt_last, 5333 regex_constants::match_flag_type __flags = regex_constants::format_default) const; 5334 template <class _OutputIter, class _ST, class _SA> 5335 _LIBCPP_INLINE_VISIBILITY 5336 _OutputIter 5337 format(_OutputIter __out, const basic_string<char_type, _ST, _SA>& __fmt, 5338 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5339 {return format(__out, __fmt.data(), __fmt.data() + __fmt.size(), __flags);} 5340 template <class _ST, class _SA> 5341 _LIBCPP_INLINE_VISIBILITY 5342 basic_string<char_type, _ST, _SA> 5343 format(const basic_string<char_type, _ST, _SA>& __fmt, 5344 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5345 { 5346 basic_string<char_type, _ST, _SA> __r; 5347 format(back_inserter(__r), __fmt.data(), __fmt.data() + __fmt.size(), 5348 __flags); 5349 return __r; 5350 } 5351 _LIBCPP_INLINE_VISIBILITY 5352 string_type 5353 format(const char_type* __fmt, 5354 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5355 { 5356 string_type __r; 5357 format(back_inserter(__r), __fmt, 5358 __fmt + char_traits<char_type>::length(__fmt), __flags); 5359 return __r; 5360 } 5361 5362 // allocator: 5363 _LIBCPP_INLINE_VISIBILITY 5364 allocator_type get_allocator() const {return __matches_.get_allocator();} 5365 5366 // swap: 5367 void swap(match_results& __m); 5368 5369 template <class _Bp, class _Ap> 5370 _LIBCPP_INLINE_VISIBILITY 5371 void __assign(_BidirectionalIterator __f, _BidirectionalIterator __l, 5372 const match_results<_Bp, _Ap>& __m, bool __no_update_pos) 5373 { 5374 _Bp __mf = __m.prefix().first; 5375 __matches_.resize(__m.size()); 5376 for (size_type __i = 0; __i < __matches_.size(); ++__i) 5377 { 5378 __matches_[__i].first = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].first)); 5379 __matches_[__i].second = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].second)); 5380 __matches_[__i].matched = __m[__i].matched; 5381 } 5382 __unmatched_.first = __l; 5383 __unmatched_.second = __l; 5384 __unmatched_.matched = false; 5385 __prefix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().first)); 5386 __prefix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().second)); 5387 __prefix_.matched = __m.prefix().matched; 5388 __suffix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().first)); 5389 __suffix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().second)); 5390 __suffix_.matched = __m.suffix().matched; 5391 if (!__no_update_pos) 5392 __position_start_ = __prefix_.first; 5393 __ready_ = __m.ready(); 5394 } 5395 5396private: 5397 void __init(unsigned __s, 5398 _BidirectionalIterator __f, _BidirectionalIterator __l, 5399 bool __no_update_pos = false); 5400 5401 template <class, class> friend class basic_regex; 5402 5403 template <class _Bp, class _Ap, class _Cp, class _Tp> 5404 friend 5405 bool 5406 regex_match(_Bp, _Bp, match_results<_Bp, _Ap>&, const basic_regex<_Cp, _Tp>&, 5407 regex_constants::match_flag_type); 5408 5409 template <class _Bp, class _Ap> 5410 friend 5411 bool 5412 operator==(const match_results<_Bp, _Ap>&, const match_results<_Bp, _Ap>&); 5413 5414 template <class, class> friend class __lookahead; 5415}; 5416 5417template <class _BidirectionalIterator, class _Allocator> 5418match_results<_BidirectionalIterator, _Allocator>::match_results( 5419 const allocator_type& __a) 5420 : __matches_(__a), 5421 __unmatched_(), 5422 __prefix_(), 5423 __suffix_(), 5424 __position_start_(), 5425 __ready_(false) 5426{ 5427} 5428 5429template <class _BidirectionalIterator, class _Allocator> 5430void 5431match_results<_BidirectionalIterator, _Allocator>::__init(unsigned __s, 5432 _BidirectionalIterator __f, _BidirectionalIterator __l, 5433 bool __no_update_pos) 5434{ 5435 __unmatched_.first = __l; 5436 __unmatched_.second = __l; 5437 __unmatched_.matched = false; 5438 __matches_.assign(__s, __unmatched_); 5439 __prefix_.first = __f; 5440 __prefix_.second = __f; 5441 __prefix_.matched = false; 5442 __suffix_ = __unmatched_; 5443 if (!__no_update_pos) 5444 __position_start_ = __prefix_.first; 5445 __ready_ = true; 5446} 5447 5448template <class _BidirectionalIterator, class _Allocator> 5449template <class _OutputIter> 5450_OutputIter 5451match_results<_BidirectionalIterator, _Allocator>::format(_OutputIter __out, 5452 const char_type* __fmt_first, const char_type* __fmt_last, 5453 regex_constants::match_flag_type __flags) const 5454{ 5455 if (__flags & regex_constants::format_sed) 5456 { 5457 for (; __fmt_first != __fmt_last; ++__fmt_first) 5458 { 5459 if (*__fmt_first == '&') 5460 __out = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5461 __out); 5462 else if (*__fmt_first == '\\' && __fmt_first + 1 != __fmt_last) 5463 { 5464 ++__fmt_first; 5465 if ('0' <= *__fmt_first && *__fmt_first <= '9') 5466 { 5467 size_t __i = *__fmt_first - '0'; 5468 __out = _VSTD::copy(__matches_[__i].first, 5469 __matches_[__i].second, __out); 5470 } 5471 else 5472 { 5473 *__out = *__fmt_first; 5474 ++__out; 5475 } 5476 } 5477 else 5478 { 5479 *__out = *__fmt_first; 5480 ++__out; 5481 } 5482 } 5483 } 5484 else 5485 { 5486 for (; __fmt_first != __fmt_last; ++__fmt_first) 5487 { 5488 if (*__fmt_first == '$' && __fmt_first + 1 != __fmt_last) 5489 { 5490 switch (__fmt_first[1]) 5491 { 5492 case '$': 5493 *__out = *++__fmt_first; 5494 ++__out; 5495 break; 5496 case '&': 5497 ++__fmt_first; 5498 __out = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5499 __out); 5500 break; 5501 case '`': 5502 ++__fmt_first; 5503 __out = _VSTD::copy(__prefix_.first, __prefix_.second, __out); 5504 break; 5505 case '\'': 5506 ++__fmt_first; 5507 __out = _VSTD::copy(__suffix_.first, __suffix_.second, __out); 5508 break; 5509 default: 5510 if ('0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5511 { 5512 ++__fmt_first; 5513 size_t __i = *__fmt_first - '0'; 5514 if (__fmt_first + 1 != __fmt_last && 5515 '0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5516 { 5517 ++__fmt_first; 5518 __i = 10 * __i + *__fmt_first - '0'; 5519 } 5520 __out = _VSTD::copy(__matches_[__i].first, 5521 __matches_[__i].second, __out); 5522 } 5523 else 5524 { 5525 *__out = *__fmt_first; 5526 ++__out; 5527 } 5528 break; 5529 } 5530 } 5531 else 5532 { 5533 *__out = *__fmt_first; 5534 ++__out; 5535 } 5536 } 5537 } 5538 return __out; 5539} 5540 5541template <class _BidirectionalIterator, class _Allocator> 5542void 5543match_results<_BidirectionalIterator, _Allocator>::swap(match_results& __m) 5544{ 5545 using _VSTD::swap; 5546 swap(__matches_, __m.__matches_); 5547 swap(__unmatched_, __m.__unmatched_); 5548 swap(__prefix_, __m.__prefix_); 5549 swap(__suffix_, __m.__suffix_); 5550 swap(__position_start_, __m.__position_start_); 5551 swap(__ready_, __m.__ready_); 5552} 5553 5554typedef match_results<const char*> cmatch; 5555typedef match_results<const wchar_t*> wcmatch; 5556typedef match_results<string::const_iterator> smatch; 5557typedef match_results<wstring::const_iterator> wsmatch; 5558 5559template <class _BidirectionalIterator, class _Allocator> 5560bool 5561operator==(const match_results<_BidirectionalIterator, _Allocator>& __x, 5562 const match_results<_BidirectionalIterator, _Allocator>& __y) 5563{ 5564 if (__x.__ready_ != __y.__ready_) 5565 return false; 5566 if (!__x.__ready_) 5567 return true; 5568 return __x.__matches_ == __y.__matches_ && 5569 __x.__prefix_ == __y.__prefix_ && 5570 __x.__suffix_ == __y.__suffix_; 5571} 5572 5573template <class _BidirectionalIterator, class _Allocator> 5574inline _LIBCPP_INLINE_VISIBILITY 5575bool 5576operator!=(const match_results<_BidirectionalIterator, _Allocator>& __x, 5577 const match_results<_BidirectionalIterator, _Allocator>& __y) 5578{ 5579 return !(__x == __y); 5580} 5581 5582template <class _BidirectionalIterator, class _Allocator> 5583inline _LIBCPP_INLINE_VISIBILITY 5584void 5585swap(match_results<_BidirectionalIterator, _Allocator>& __x, 5586 match_results<_BidirectionalIterator, _Allocator>& __y) 5587{ 5588 __x.swap(__y); 5589} 5590 5591// regex_search 5592 5593template <class _CharT, class _Traits> 5594template <class _Allocator> 5595bool 5596basic_regex<_CharT, _Traits>::__match_at_start_ecma( 5597 const _CharT* __first, const _CharT* __last, 5598 match_results<const _CharT*, _Allocator>& __m, 5599 regex_constants::match_flag_type __flags, bool __at_first) const 5600{ 5601 vector<__state> __states; 5602 __node* __st = __start_.get(); 5603 if (__st) 5604 { 5605 __states.push_back(__state()); 5606 __states.back().__do_ = 0; 5607 __states.back().__first_ = __first; 5608 __states.back().__current_ = __first; 5609 __states.back().__last_ = __last; 5610 __states.back().__sub_matches_.resize(mark_count()); 5611 __states.back().__loop_data_.resize(__loop_count()); 5612 __states.back().__node_ = __st; 5613 __states.back().__flags_ = __flags; 5614 __states.back().__at_first_ = __at_first; 5615 do 5616 { 5617 __state& __s = __states.back(); 5618 if (__s.__node_) 5619 __s.__node_->__exec(__s); 5620 switch (__s.__do_) 5621 { 5622 case __state::__end_state: 5623 __m.__matches_[0].first = __first; 5624 __m.__matches_[0].second = _VSTD::next(__first, __s.__current_ - __first); 5625 __m.__matches_[0].matched = true; 5626 for (unsigned __i = 0; __i < __s.__sub_matches_.size(); ++__i) 5627 __m.__matches_[__i+1] = __s.__sub_matches_[__i]; 5628 return true; 5629 case __state::__accept_and_consume: 5630 case __state::__repeat: 5631 case __state::__accept_but_not_consume: 5632 break; 5633 case __state::__split: 5634 { 5635 __state __snext = __s; 5636 __s.__node_->__exec_split(true, __s); 5637 __snext.__node_->__exec_split(false, __snext); 5638 __states.push_back(_VSTD::move(__snext)); 5639 } 5640 break; 5641 case __state::__reject: 5642 __states.pop_back(); 5643 break; 5644 default: 5645#ifndef _LIBCPP_NO_EXCEPTIONS 5646 throw regex_error(regex_constants::__re_err_unknown); 5647#endif 5648 break; 5649 5650 } 5651 } while (!__states.empty()); 5652 } 5653 return false; 5654} 5655 5656template <class _CharT, class _Traits> 5657template <class _Allocator> 5658bool 5659basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs( 5660 const _CharT* __first, const _CharT* __last, 5661 match_results<const _CharT*, _Allocator>& __m, 5662 regex_constants::match_flag_type __flags, bool __at_first) const 5663{ 5664 deque<__state> __states; 5665 ptrdiff_t __highest_j = 0; 5666 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5667 __node* __st = __start_.get(); 5668 if (__st) 5669 { 5670 __states.push_back(__state()); 5671 __states.back().__do_ = 0; 5672 __states.back().__first_ = __first; 5673 __states.back().__current_ = __first; 5674 __states.back().__last_ = __last; 5675 __states.back().__loop_data_.resize(__loop_count()); 5676 __states.back().__node_ = __st; 5677 __states.back().__flags_ = __flags; 5678 __states.back().__at_first_ = __at_first; 5679 bool __matched = false; 5680 do 5681 { 5682 __state& __s = __states.back(); 5683 if (__s.__node_) 5684 __s.__node_->__exec(__s); 5685 switch (__s.__do_) 5686 { 5687 case __state::__end_state: 5688 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5689 __highest_j = __s.__current_ - __s.__first_; 5690 __matched = true; 5691 if (__highest_j == _Np) 5692 __states.clear(); 5693 else 5694 __states.pop_back(); 5695 break; 5696 case __state::__consume_input: 5697 break; 5698 case __state::__accept_and_consume: 5699 __states.push_front(_VSTD::move(__s)); 5700 __states.pop_back(); 5701 break; 5702 case __state::__repeat: 5703 case __state::__accept_but_not_consume: 5704 break; 5705 case __state::__split: 5706 { 5707 __state __snext = __s; 5708 __s.__node_->__exec_split(true, __s); 5709 __snext.__node_->__exec_split(false, __snext); 5710 __states.push_back(_VSTD::move(__snext)); 5711 } 5712 break; 5713 case __state::__reject: 5714 __states.pop_back(); 5715 break; 5716 default: 5717#ifndef _LIBCPP_NO_EXCEPTIONS 5718 throw regex_error(regex_constants::__re_err_unknown); 5719#endif 5720 break; 5721 } 5722 } while (!__states.empty()); 5723 if (__matched) 5724 { 5725 __m.__matches_[0].first = __first; 5726 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5727 __m.__matches_[0].matched = true; 5728 return true; 5729 } 5730 } 5731 return false; 5732} 5733 5734template <class _CharT, class _Traits> 5735template <class _Allocator> 5736bool 5737basic_regex<_CharT, _Traits>::__match_at_start_posix_subs( 5738 const _CharT* __first, const _CharT* __last, 5739 match_results<const _CharT*, _Allocator>& __m, 5740 regex_constants::match_flag_type __flags, bool __at_first) const 5741{ 5742 vector<__state> __states; 5743 __state __best_state; 5744 ptrdiff_t __j = 0; 5745 ptrdiff_t __highest_j = 0; 5746 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5747 __node* __st = __start_.get(); 5748 if (__st) 5749 { 5750 __states.push_back(__state()); 5751 __states.back().__do_ = 0; 5752 __states.back().__first_ = __first; 5753 __states.back().__current_ = __first; 5754 __states.back().__last_ = __last; 5755 __states.back().__sub_matches_.resize(mark_count()); 5756 __states.back().__loop_data_.resize(__loop_count()); 5757 __states.back().__node_ = __st; 5758 __states.back().__flags_ = __flags; 5759 __states.back().__at_first_ = __at_first; 5760 const _CharT* __current = __first; 5761 bool __matched = false; 5762 do 5763 { 5764 __state& __s = __states.back(); 5765 if (__s.__node_) 5766 __s.__node_->__exec(__s); 5767 switch (__s.__do_) 5768 { 5769 case __state::__end_state: 5770 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5771 { 5772 __highest_j = __s.__current_ - __s.__first_; 5773 __best_state = __s; 5774 } 5775 __matched = true; 5776 if (__highest_j == _Np) 5777 __states.clear(); 5778 else 5779 __states.pop_back(); 5780 break; 5781 case __state::__accept_and_consume: 5782 __j += __s.__current_ - __current; 5783 __current = __s.__current_; 5784 break; 5785 case __state::__repeat: 5786 case __state::__accept_but_not_consume: 5787 break; 5788 case __state::__split: 5789 { 5790 __state __snext = __s; 5791 __s.__node_->__exec_split(true, __s); 5792 __snext.__node_->__exec_split(false, __snext); 5793 __states.push_back(_VSTD::move(__snext)); 5794 } 5795 break; 5796 case __state::__reject: 5797 __states.pop_back(); 5798 break; 5799 default: 5800#ifndef _LIBCPP_NO_EXCEPTIONS 5801 throw regex_error(regex_constants::__re_err_unknown); 5802#endif 5803 break; 5804 } 5805 } while (!__states.empty()); 5806 if (__matched) 5807 { 5808 __m.__matches_[0].first = __first; 5809 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5810 __m.__matches_[0].matched = true; 5811 for (unsigned __i = 0; __i < __best_state.__sub_matches_.size(); ++__i) 5812 __m.__matches_[__i+1] = __best_state.__sub_matches_[__i]; 5813 return true; 5814 } 5815 } 5816 return false; 5817} 5818 5819template <class _CharT, class _Traits> 5820template <class _Allocator> 5821bool 5822basic_regex<_CharT, _Traits>::__match_at_start( 5823 const _CharT* __first, const _CharT* __last, 5824 match_results<const _CharT*, _Allocator>& __m, 5825 regex_constants::match_flag_type __flags, bool __at_first) const 5826{ 5827 if ((__flags_ & 0x1F0) == ECMAScript) 5828 return __match_at_start_ecma(__first, __last, __m, __flags, __at_first); 5829 if (mark_count() == 0) 5830 return __match_at_start_posix_nosubs(__first, __last, __m, __flags, __at_first); 5831 return __match_at_start_posix_subs(__first, __last, __m, __flags, __at_first); 5832} 5833 5834template <class _CharT, class _Traits> 5835template <class _Allocator> 5836bool 5837basic_regex<_CharT, _Traits>::__search( 5838 const _CharT* __first, const _CharT* __last, 5839 match_results<const _CharT*, _Allocator>& __m, 5840 regex_constants::match_flag_type __flags) const 5841{ 5842 __m.__init(1 + mark_count(), __first, __last, 5843 __flags & regex_constants::__no_update_pos); 5844 if (__match_at_start(__first, __last, __m, __flags, 5845 !(__flags & regex_constants::__no_update_pos))) 5846 { 5847 __m.__prefix_.second = __m[0].first; 5848 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5849 __m.__suffix_.first = __m[0].second; 5850 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5851 return true; 5852 } 5853 if (__first != __last && !(__flags & regex_constants::match_continuous)) 5854 { 5855 __flags |= regex_constants::match_prev_avail; 5856 for (++__first; __first != __last; ++__first) 5857 { 5858 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5859 if (__match_at_start(__first, __last, __m, __flags, false)) 5860 { 5861 __m.__prefix_.second = __m[0].first; 5862 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5863 __m.__suffix_.first = __m[0].second; 5864 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5865 return true; 5866 } 5867 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5868 } 5869 } 5870 __m.__matches_.clear(); 5871 return false; 5872} 5873 5874template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5875inline _LIBCPP_INLINE_VISIBILITY 5876bool 5877regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5878 match_results<_BidirectionalIterator, _Allocator>& __m, 5879 const basic_regex<_CharT, _Traits>& __e, 5880 regex_constants::match_flag_type __flags = regex_constants::match_default) 5881{ 5882 int __offset = (__flags & regex_constants::match_prev_avail) ? 1 : 0; 5883 basic_string<_CharT> __s(_VSTD::prev(__first, __offset), __last); 5884 match_results<const _CharT*> __mc; 5885 bool __r = __e.__search(__s.data() + __offset, __s.data() + __s.size(), __mc, __flags); 5886 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5887 return __r; 5888} 5889 5890template <class _Iter, class _Allocator, class _CharT, class _Traits> 5891inline _LIBCPP_INLINE_VISIBILITY 5892bool 5893regex_search(__wrap_iter<_Iter> __first, 5894 __wrap_iter<_Iter> __last, 5895 match_results<__wrap_iter<_Iter>, _Allocator>& __m, 5896 const basic_regex<_CharT, _Traits>& __e, 5897 regex_constants::match_flag_type __flags = regex_constants::match_default) 5898{ 5899 match_results<const _CharT*> __mc; 5900 bool __r = __e.__search(__first.base(), __last.base(), __mc, __flags); 5901 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5902 return __r; 5903} 5904 5905template <class _Allocator, class _CharT, class _Traits> 5906inline _LIBCPP_INLINE_VISIBILITY 5907bool 5908regex_search(const _CharT* __first, const _CharT* __last, 5909 match_results<const _CharT*, _Allocator>& __m, 5910 const basic_regex<_CharT, _Traits>& __e, 5911 regex_constants::match_flag_type __flags = regex_constants::match_default) 5912{ 5913 return __e.__search(__first, __last, __m, __flags); 5914} 5915 5916template <class _BidirectionalIterator, class _CharT, class _Traits> 5917inline _LIBCPP_INLINE_VISIBILITY 5918bool 5919regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5920 const basic_regex<_CharT, _Traits>& __e, 5921 regex_constants::match_flag_type __flags = regex_constants::match_default) 5922{ 5923 basic_string<_CharT> __s(__first, __last); 5924 match_results<const _CharT*> __mc; 5925 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5926} 5927 5928template <class _CharT, class _Traits> 5929inline _LIBCPP_INLINE_VISIBILITY 5930bool 5931regex_search(const _CharT* __first, const _CharT* __last, 5932 const basic_regex<_CharT, _Traits>& __e, 5933 regex_constants::match_flag_type __flags = regex_constants::match_default) 5934{ 5935 match_results<const _CharT*> __mc; 5936 return __e.__search(__first, __last, __mc, __flags); 5937} 5938 5939template <class _CharT, class _Allocator, class _Traits> 5940inline _LIBCPP_INLINE_VISIBILITY 5941bool 5942regex_search(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 5943 const basic_regex<_CharT, _Traits>& __e, 5944 regex_constants::match_flag_type __flags = regex_constants::match_default) 5945{ 5946 return __e.__search(__str, __str + _Traits::length(__str), __m, __flags); 5947} 5948 5949template <class _CharT, class _Traits> 5950inline _LIBCPP_INLINE_VISIBILITY 5951bool 5952regex_search(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 5953 regex_constants::match_flag_type __flags = regex_constants::match_default) 5954{ 5955 match_results<const _CharT*> __m; 5956 return _VSTD::regex_search(__str, __m, __e, __flags); 5957} 5958 5959template <class _ST, class _SA, class _CharT, class _Traits> 5960inline _LIBCPP_INLINE_VISIBILITY 5961bool 5962regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5963 const basic_regex<_CharT, _Traits>& __e, 5964 regex_constants::match_flag_type __flags = regex_constants::match_default) 5965{ 5966 match_results<const _CharT*> __mc; 5967 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5968} 5969 5970template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 5971inline _LIBCPP_INLINE_VISIBILITY 5972bool 5973regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5974 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 5975 const basic_regex<_CharT, _Traits>& __e, 5976 regex_constants::match_flag_type __flags = regex_constants::match_default) 5977{ 5978 match_results<const _CharT*> __mc; 5979 bool __r = __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5980 __m.__assign(__s.begin(), __s.end(), __mc, __flags & regex_constants::__no_update_pos); 5981 return __r; 5982} 5983 5984#if _LIBCPP_STD_VER > 11 5985template <class _ST, class _SA, class _Ap, class _Cp, class _Tp> 5986bool 5987regex_search(const basic_string<_Cp, _ST, _SA>&& __s, 5988 match_results<typename basic_string<_Cp, _ST, _SA>::const_iterator, _Ap>&, 5989 const basic_regex<_Cp, _Tp>& __e, 5990 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 5991#endif 5992 5993// regex_match 5994 5995template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5996bool 5997regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 5998 match_results<_BidirectionalIterator, _Allocator>& __m, 5999 const basic_regex<_CharT, _Traits>& __e, 6000 regex_constants::match_flag_type __flags = regex_constants::match_default) 6001{ 6002 bool __r = _VSTD::regex_search(__first, __last, __m, __e, 6003 __flags | regex_constants::match_continuous); 6004 if (__r) 6005 { 6006 __r = !__m.suffix().matched; 6007 if (!__r) 6008 __m.__matches_.clear(); 6009 } 6010 return __r; 6011} 6012 6013template <class _BidirectionalIterator, class _CharT, class _Traits> 6014inline _LIBCPP_INLINE_VISIBILITY 6015bool 6016regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 6017 const basic_regex<_CharT, _Traits>& __e, 6018 regex_constants::match_flag_type __flags = regex_constants::match_default) 6019{ 6020 match_results<_BidirectionalIterator> __m; 6021 return _VSTD::regex_match(__first, __last, __m, __e, __flags); 6022} 6023 6024template <class _CharT, class _Allocator, class _Traits> 6025inline _LIBCPP_INLINE_VISIBILITY 6026bool 6027regex_match(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 6028 const basic_regex<_CharT, _Traits>& __e, 6029 regex_constants::match_flag_type __flags = regex_constants::match_default) 6030{ 6031 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __m, __e, __flags); 6032} 6033 6034template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6035inline _LIBCPP_INLINE_VISIBILITY 6036bool 6037regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6038 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6039 const basic_regex<_CharT, _Traits>& __e, 6040 regex_constants::match_flag_type __flags = regex_constants::match_default) 6041{ 6042 return _VSTD::regex_match(__s.begin(), __s.end(), __m, __e, __flags); 6043} 6044 6045#if _LIBCPP_STD_VER > 11 6046template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6047inline _LIBCPP_INLINE_VISIBILITY 6048bool 6049regex_match(const basic_string<_CharT, _ST, _SA>&& __s, 6050 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6051 const basic_regex<_CharT, _Traits>& __e, 6052 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 6053#endif 6054 6055template <class _CharT, class _Traits> 6056inline _LIBCPP_INLINE_VISIBILITY 6057bool 6058regex_match(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 6059 regex_constants::match_flag_type __flags = regex_constants::match_default) 6060{ 6061 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __e, __flags); 6062} 6063 6064template <class _ST, class _SA, class _CharT, class _Traits> 6065inline _LIBCPP_INLINE_VISIBILITY 6066bool 6067regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6068 const basic_regex<_CharT, _Traits>& __e, 6069 regex_constants::match_flag_type __flags = regex_constants::match_default) 6070{ 6071 return _VSTD::regex_match(__s.begin(), __s.end(), __e, __flags); 6072} 6073 6074// regex_iterator 6075 6076template <class _BidirectionalIterator, 6077 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6078 class _Traits = regex_traits<_CharT> > 6079class _LIBCPP_TYPE_VIS_ONLY regex_iterator 6080{ 6081public: 6082 typedef basic_regex<_CharT, _Traits> regex_type; 6083 typedef match_results<_BidirectionalIterator> value_type; 6084 typedef ptrdiff_t difference_type; 6085 typedef const value_type* pointer; 6086 typedef const value_type& reference; 6087 typedef forward_iterator_tag iterator_category; 6088 6089private: 6090 _BidirectionalIterator __begin_; 6091 _BidirectionalIterator __end_; 6092 const regex_type* __pregex_; 6093 regex_constants::match_flag_type __flags_; 6094 value_type __match_; 6095 6096public: 6097 regex_iterator(); 6098 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6099 const regex_type& __re, 6100 regex_constants::match_flag_type __m 6101 = regex_constants::match_default); 6102#if _LIBCPP_STD_VER > 11 6103 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6104 const regex_type&& __re, 6105 regex_constants::match_flag_type __m 6106 = regex_constants::match_default) = delete; 6107#endif 6108 6109 bool operator==(const regex_iterator& __x) const; 6110 _LIBCPP_INLINE_VISIBILITY 6111 bool operator!=(const regex_iterator& __x) const {return !(*this == __x);} 6112 6113 _LIBCPP_INLINE_VISIBILITY 6114 reference operator*() const {return __match_;} 6115 _LIBCPP_INLINE_VISIBILITY 6116 pointer operator->() const {return &__match_;} 6117 6118 regex_iterator& operator++(); 6119 _LIBCPP_INLINE_VISIBILITY 6120 regex_iterator operator++(int) 6121 { 6122 regex_iterator __t(*this); 6123 ++(*this); 6124 return __t; 6125 } 6126}; 6127 6128template <class _BidirectionalIterator, class _CharT, class _Traits> 6129regex_iterator<_BidirectionalIterator, _CharT, _Traits>::regex_iterator() 6130 : __begin_(), __end_(), __pregex_(nullptr), __flags_(), __match_() 6131{ 6132} 6133 6134template <class _BidirectionalIterator, class _CharT, class _Traits> 6135regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6136 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6137 const regex_type& __re, regex_constants::match_flag_type __m) 6138 : __begin_(__a), 6139 __end_(__b), 6140 __pregex_(&__re), 6141 __flags_(__m) 6142{ 6143 _VSTD::regex_search(__begin_, __end_, __match_, *__pregex_, __flags_); 6144} 6145 6146template <class _BidirectionalIterator, class _CharT, class _Traits> 6147bool 6148regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6149 operator==(const regex_iterator& __x) const 6150{ 6151 if (__match_.empty() && __x.__match_.empty()) 6152 return true; 6153 if (__match_.empty() || __x.__match_.empty()) 6154 return false; 6155 return __begin_ == __x.__begin_ && 6156 __end_ == __x.__end_ && 6157 __pregex_ == __x.__pregex_ && 6158 __flags_ == __x.__flags_ && 6159 __match_[0] == __x.__match_[0]; 6160} 6161 6162template <class _BidirectionalIterator, class _CharT, class _Traits> 6163regex_iterator<_BidirectionalIterator, _CharT, _Traits>& 6164regex_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6165{ 6166 __flags_ |= regex_constants::__no_update_pos; 6167 _BidirectionalIterator __start = __match_[0].second; 6168 if (__match_.empty()) 6169 { 6170 if (__start == __end_) 6171 { 6172 __match_ = value_type(); 6173 return *this; 6174 } 6175 else if (_VSTD::regex_search(__start, __end_, __match_, *__pregex_, 6176 __flags_ | regex_constants::match_not_null | 6177 regex_constants::match_continuous)) 6178 return *this; 6179 else 6180 ++__start; 6181 } 6182 __flags_ |= regex_constants::match_prev_avail; 6183 if (!_VSTD::regex_search(__start, __end_, __match_, *__pregex_, __flags_)) 6184 __match_ = value_type(); 6185 return *this; 6186} 6187 6188typedef regex_iterator<const char*> cregex_iterator; 6189typedef regex_iterator<const wchar_t*> wcregex_iterator; 6190typedef regex_iterator<string::const_iterator> sregex_iterator; 6191typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 6192 6193// regex_token_iterator 6194 6195template <class _BidirectionalIterator, 6196 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6197 class _Traits = regex_traits<_CharT> > 6198class _LIBCPP_TYPE_VIS_ONLY regex_token_iterator 6199{ 6200public: 6201 typedef basic_regex<_CharT, _Traits> regex_type; 6202 typedef sub_match<_BidirectionalIterator> value_type; 6203 typedef ptrdiff_t difference_type; 6204 typedef const value_type* pointer; 6205 typedef const value_type& reference; 6206 typedef forward_iterator_tag iterator_category; 6207 6208private: 6209 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Position; 6210 6211 _Position __position_; 6212 const value_type* __result_; 6213 value_type __suffix_; 6214 ptrdiff_t _N_; 6215 vector<int> __subs_; 6216 6217public: 6218 regex_token_iterator(); 6219 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6220 const regex_type& __re, int __submatch = 0, 6221 regex_constants::match_flag_type __m = 6222 regex_constants::match_default); 6223#if _LIBCPP_STD_VER > 11 6224 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6225 const regex_type&& __re, int __submatch = 0, 6226 regex_constants::match_flag_type __m = 6227 regex_constants::match_default) = delete; 6228#endif 6229 6230 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6231 const regex_type& __re, const vector<int>& __submatches, 6232 regex_constants::match_flag_type __m = 6233 regex_constants::match_default); 6234#if _LIBCPP_STD_VER > 11 6235 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6236 const regex_type&& __re, const vector<int>& __submatches, 6237 regex_constants::match_flag_type __m = 6238 regex_constants::match_default) = delete; 6239#endif 6240 6241#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6242 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6243 const regex_type& __re, 6244 initializer_list<int> __submatches, 6245 regex_constants::match_flag_type __m = 6246 regex_constants::match_default); 6247 6248#if _LIBCPP_STD_VER > 11 6249 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6250 const regex_type&& __re, 6251 initializer_list<int> __submatches, 6252 regex_constants::match_flag_type __m = 6253 regex_constants::match_default) = delete; 6254#endif 6255#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6256 template <size_t _Np> 6257 regex_token_iterator(_BidirectionalIterator __a, 6258 _BidirectionalIterator __b, 6259 const regex_type& __re, 6260 const int (&__submatches)[_Np], 6261 regex_constants::match_flag_type __m = 6262 regex_constants::match_default); 6263#if _LIBCPP_STD_VER > 11 6264 template <std::size_t _Np> 6265 regex_token_iterator(_BidirectionalIterator __a, 6266 _BidirectionalIterator __b, 6267 const regex_type&& __re, 6268 const int (&__submatches)[_Np], 6269 regex_constants::match_flag_type __m = 6270 regex_constants::match_default) = delete; 6271#endif 6272 6273 regex_token_iterator(const regex_token_iterator&); 6274 regex_token_iterator& operator=(const regex_token_iterator&); 6275 6276 bool operator==(const regex_token_iterator& __x) const; 6277 _LIBCPP_INLINE_VISIBILITY 6278 bool operator!=(const regex_token_iterator& __x) const {return !(*this == __x);} 6279 6280 _LIBCPP_INLINE_VISIBILITY 6281 const value_type& operator*() const {return *__result_;} 6282 _LIBCPP_INLINE_VISIBILITY 6283 const value_type* operator->() const {return __result_;} 6284 6285 regex_token_iterator& operator++(); 6286 _LIBCPP_INLINE_VISIBILITY 6287 regex_token_iterator operator++(int) 6288 { 6289 regex_token_iterator __t(*this); 6290 ++(*this); 6291 return __t; 6292 } 6293 6294private: 6295 void __init(_BidirectionalIterator __a, _BidirectionalIterator __b); 6296 void __establish_result () { 6297 if (__subs_[_N_] == -1) 6298 __result_ = &__position_->prefix(); 6299 else 6300 __result_ = &(*__position_)[__subs_[_N_]]; 6301 } 6302}; 6303 6304template <class _BidirectionalIterator, class _CharT, class _Traits> 6305regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6306 regex_token_iterator() 6307 : __result_(nullptr), 6308 __suffix_(), 6309 _N_(0) 6310{ 6311} 6312 6313template <class _BidirectionalIterator, class _CharT, class _Traits> 6314void 6315regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6316 __init(_BidirectionalIterator __a, _BidirectionalIterator __b) 6317{ 6318 if (__position_ != _Position()) 6319 __establish_result (); 6320 else if (__subs_[_N_] == -1) 6321 { 6322 __suffix_.matched = true; 6323 __suffix_.first = __a; 6324 __suffix_.second = __b; 6325 __result_ = &__suffix_; 6326 } 6327 else 6328 __result_ = nullptr; 6329} 6330 6331template <class _BidirectionalIterator, class _CharT, class _Traits> 6332regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6333 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6334 const regex_type& __re, int __submatch, 6335 regex_constants::match_flag_type __m) 6336 : __position_(__a, __b, __re, __m), 6337 _N_(0), 6338 __subs_(1, __submatch) 6339{ 6340 __init(__a, __b); 6341} 6342 6343template <class _BidirectionalIterator, class _CharT, class _Traits> 6344regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6345 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6346 const regex_type& __re, const vector<int>& __submatches, 6347 regex_constants::match_flag_type __m) 6348 : __position_(__a, __b, __re, __m), 6349 _N_(0), 6350 __subs_(__submatches) 6351{ 6352 __init(__a, __b); 6353} 6354 6355#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6356 6357template <class _BidirectionalIterator, class _CharT, class _Traits> 6358regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6359 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6360 const regex_type& __re, 6361 initializer_list<int> __submatches, 6362 regex_constants::match_flag_type __m) 6363 : __position_(__a, __b, __re, __m), 6364 _N_(0), 6365 __subs_(__submatches) 6366{ 6367 __init(__a, __b); 6368} 6369 6370#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6371 6372template <class _BidirectionalIterator, class _CharT, class _Traits> 6373template <size_t _Np> 6374regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6375 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6376 const regex_type& __re, 6377 const int (&__submatches)[_Np], 6378 regex_constants::match_flag_type __m) 6379 : __position_(__a, __b, __re, __m), 6380 _N_(0), 6381 __subs_(__submatches, __submatches + _Np) 6382{ 6383 __init(__a, __b); 6384} 6385 6386template <class _BidirectionalIterator, class _CharT, class _Traits> 6387regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6388 regex_token_iterator(const regex_token_iterator& __x) 6389 : __position_(__x.__position_), 6390 __result_(__x.__result_), 6391 __suffix_(__x.__suffix_), 6392 _N_(__x._N_), 6393 __subs_(__x.__subs_) 6394{ 6395 if (__x.__result_ == &__x.__suffix_) 6396 __result_ = &__suffix_; 6397 else if ( __result_ != nullptr ) 6398 __establish_result (); 6399} 6400 6401template <class _BidirectionalIterator, class _CharT, class _Traits> 6402regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6403regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6404 operator=(const regex_token_iterator& __x) 6405{ 6406 if (this != &__x) 6407 { 6408 __position_ = __x.__position_; 6409 if (__x.__result_ == &__x.__suffix_) 6410 __result_ = &__suffix_; 6411 else 6412 __result_ = __x.__result_; 6413 __suffix_ = __x.__suffix_; 6414 _N_ = __x._N_; 6415 __subs_ = __x.__subs_; 6416 6417 if ( __result_ != nullptr && __result_ != &__suffix_ ) 6418 __establish_result(); 6419 } 6420 return *this; 6421} 6422 6423template <class _BidirectionalIterator, class _CharT, class _Traits> 6424bool 6425regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6426 operator==(const regex_token_iterator& __x) const 6427{ 6428 if (__result_ == nullptr && __x.__result_ == nullptr) 6429 return true; 6430 if (__result_ == &__suffix_ && __x.__result_ == &__x.__suffix_ && 6431 __suffix_ == __x.__suffix_) 6432 return true; 6433 if (__result_ == nullptr || __x.__result_ == nullptr) 6434 return false; 6435 if (__result_ == &__suffix_ || __x.__result_ == &__x.__suffix_) 6436 return false; 6437 return __position_ == __x.__position_ && _N_ == __x._N_ && 6438 __subs_ == __x.__subs_; 6439} 6440 6441template <class _BidirectionalIterator, class _CharT, class _Traits> 6442regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6443regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6444{ 6445 _Position __prev = __position_; 6446 if (__result_ == &__suffix_) 6447 __result_ = nullptr; 6448 else if (_N_ + 1 < __subs_.size()) 6449 { 6450 ++_N_; 6451 __establish_result(); 6452 } 6453 else 6454 { 6455 _N_ = 0; 6456 ++__position_; 6457 if (__position_ != _Position()) 6458 __establish_result(); 6459 else 6460 { 6461 if (_VSTD::find(__subs_.begin(), __subs_.end(), -1) != __subs_.end() 6462 && __prev->suffix().length() != 0) 6463 { 6464 __suffix_.matched = true; 6465 __suffix_.first = __prev->suffix().first; 6466 __suffix_.second = __prev->suffix().second; 6467 __result_ = &__suffix_; 6468 } 6469 else 6470 __result_ = nullptr; 6471 } 6472 } 6473 return *this; 6474} 6475 6476typedef regex_token_iterator<const char*> cregex_token_iterator; 6477typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 6478typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 6479typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 6480 6481// regex_replace 6482 6483template <class _OutputIterator, class _BidirectionalIterator, 6484 class _Traits, class _CharT> 6485_OutputIterator 6486regex_replace(_OutputIterator __out, 6487 _BidirectionalIterator __first, _BidirectionalIterator __last, 6488 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6489 regex_constants::match_flag_type __flags = regex_constants::match_default) 6490{ 6491 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Iter; 6492 _Iter __i(__first, __last, __e, __flags); 6493 _Iter __eof; 6494 if (__i == __eof) 6495 { 6496 if (!(__flags & regex_constants::format_no_copy)) 6497 __out = _VSTD::copy(__first, __last, __out); 6498 } 6499 else 6500 { 6501 sub_match<_BidirectionalIterator> __lm; 6502 for (size_t __len = char_traits<_CharT>::length(__fmt); __i != __eof; ++__i) 6503 { 6504 if (!(__flags & regex_constants::format_no_copy)) 6505 __out = _VSTD::copy(__i->prefix().first, __i->prefix().second, __out); 6506 __out = __i->format(__out, __fmt, __fmt + __len, __flags); 6507 __lm = __i->suffix(); 6508 if (__flags & regex_constants::format_first_only) 6509 break; 6510 } 6511 if (!(__flags & regex_constants::format_no_copy)) 6512 __out = _VSTD::copy(__lm.first, __lm.second, __out); 6513 } 6514 return __out; 6515} 6516 6517template <class _OutputIterator, class _BidirectionalIterator, 6518 class _Traits, class _CharT, class _ST, class _SA> 6519inline _LIBCPP_INLINE_VISIBILITY 6520_OutputIterator 6521regex_replace(_OutputIterator __out, 6522 _BidirectionalIterator __first, _BidirectionalIterator __last, 6523 const basic_regex<_CharT, _Traits>& __e, 6524 const basic_string<_CharT, _ST, _SA>& __fmt, 6525 regex_constants::match_flag_type __flags = regex_constants::match_default) 6526{ 6527 return _VSTD::regex_replace(__out, __first, __last, __e, __fmt.c_str(), __flags); 6528} 6529 6530template <class _Traits, class _CharT, class _ST, class _SA, class _FST, 6531 class _FSA> 6532inline _LIBCPP_INLINE_VISIBILITY 6533basic_string<_CharT, _ST, _SA> 6534regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6535 const basic_regex<_CharT, _Traits>& __e, 6536 const basic_string<_CharT, _FST, _FSA>& __fmt, 6537 regex_constants::match_flag_type __flags = regex_constants::match_default) 6538{ 6539 basic_string<_CharT, _ST, _SA> __r; 6540 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6541 __fmt.c_str(), __flags); 6542 return __r; 6543} 6544 6545template <class _Traits, class _CharT, class _ST, class _SA> 6546inline _LIBCPP_INLINE_VISIBILITY 6547basic_string<_CharT, _ST, _SA> 6548regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6549 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6550 regex_constants::match_flag_type __flags = regex_constants::match_default) 6551{ 6552 basic_string<_CharT, _ST, _SA> __r; 6553 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6554 __fmt, __flags); 6555 return __r; 6556} 6557 6558template <class _Traits, class _CharT, class _ST, class _SA> 6559inline _LIBCPP_INLINE_VISIBILITY 6560basic_string<_CharT> 6561regex_replace(const _CharT* __s, 6562 const basic_regex<_CharT, _Traits>& __e, 6563 const basic_string<_CharT, _ST, _SA>& __fmt, 6564 regex_constants::match_flag_type __flags = regex_constants::match_default) 6565{ 6566 basic_string<_CharT> __r; 6567 _VSTD::regex_replace(back_inserter(__r), __s, 6568 __s + char_traits<_CharT>::length(__s), __e, 6569 __fmt.c_str(), __flags); 6570 return __r; 6571} 6572 6573template <class _Traits, class _CharT> 6574inline _LIBCPP_INLINE_VISIBILITY 6575basic_string<_CharT> 6576regex_replace(const _CharT* __s, 6577 const basic_regex<_CharT, _Traits>& __e, 6578 const _CharT* __fmt, 6579 regex_constants::match_flag_type __flags = regex_constants::match_default) 6580{ 6581 basic_string<_CharT> __r; 6582 _VSTD::regex_replace(back_inserter(__r), __s, 6583 __s + char_traits<_CharT>::length(__s), __e, 6584 __fmt, __flags); 6585 return __r; 6586} 6587 6588_LIBCPP_END_NAMESPACE_STD 6589 6590#endif // _LIBCPP_REGEX 6591