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 default: 4545 if (*__first != '_' && !__traits_.isctype(*__first, ctype_base::alnum)) 4546 { 4547 if (__str) 4548 *__str = *__first; 4549 else 4550 __push_char(*__first); 4551 ++__first; 4552 } 4553#ifndef _LIBCPP_NO_EXCEPTIONS 4554 else 4555 throw regex_error(regex_constants::error_escape); 4556#endif // _LIBCPP_NO_EXCEPTIONS 4557 break; 4558 } 4559 } 4560 return __first; 4561} 4562 4563template <class _CharT, class _Traits> 4564template <class _ForwardIterator> 4565_ForwardIterator 4566basic_regex<_CharT, _Traits>::__parse_pattern_character(_ForwardIterator __first, 4567 _ForwardIterator __last) 4568{ 4569 if (__first != __last) 4570 { 4571 switch (*__first) 4572 { 4573 case '^': 4574 case '$': 4575 case '\\': 4576 case '.': 4577 case '*': 4578 case '+': 4579 case '?': 4580 case '(': 4581 case ')': 4582 case '[': 4583 case ']': 4584 case '{': 4585 case '}': 4586 case '|': 4587 break; 4588 default: 4589 __push_char(*__first); 4590 ++__first; 4591 break; 4592 } 4593 } 4594 return __first; 4595} 4596 4597template <class _CharT, class _Traits> 4598template <class _ForwardIterator> 4599_ForwardIterator 4600basic_regex<_CharT, _Traits>::__parse_grep(_ForwardIterator __first, 4601 _ForwardIterator __last) 4602{ 4603 __owns_one_state<_CharT>* __sa = __end_; 4604 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4605 if (__t1 != __first) 4606 __parse_basic_reg_exp(__first, __t1); 4607 else 4608 __push_empty(); 4609 __first = __t1; 4610 if (__first != __last) 4611 ++__first; 4612 while (__first != __last) 4613 { 4614 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4615 __owns_one_state<_CharT>* __sb = __end_; 4616 if (__t1 != __first) 4617 __parse_basic_reg_exp(__first, __t1); 4618 else 4619 __push_empty(); 4620 __push_alternation(__sa, __sb); 4621 __first = __t1; 4622 if (__first != __last) 4623 ++__first; 4624 } 4625 return __first; 4626} 4627 4628template <class _CharT, class _Traits> 4629template <class _ForwardIterator> 4630_ForwardIterator 4631basic_regex<_CharT, _Traits>::__parse_egrep(_ForwardIterator __first, 4632 _ForwardIterator __last) 4633{ 4634 __owns_one_state<_CharT>* __sa = __end_; 4635 _ForwardIterator __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4636 if (__t1 != __first) 4637 __parse_extended_reg_exp(__first, __t1); 4638 else 4639 __push_empty(); 4640 __first = __t1; 4641 if (__first != __last) 4642 ++__first; 4643 while (__first != __last) 4644 { 4645 __t1 = _VSTD::find(__first, __last, _CharT('\n')); 4646 __owns_one_state<_CharT>* __sb = __end_; 4647 if (__t1 != __first) 4648 __parse_extended_reg_exp(__first, __t1); 4649 else 4650 __push_empty(); 4651 __push_alternation(__sa, __sb); 4652 __first = __t1; 4653 if (__first != __last) 4654 ++__first; 4655 } 4656 return __first; 4657} 4658 4659template <class _CharT, class _Traits> 4660void 4661basic_regex<_CharT, _Traits>::__push_loop(size_t __min, size_t __max, 4662 __owns_one_state<_CharT>* __s, size_t __mexp_begin, size_t __mexp_end, 4663 bool __greedy) 4664{ 4665 unique_ptr<__empty_state<_CharT> > __e1(new __empty_state<_CharT>(__end_->first())); 4666 __end_->first() = nullptr; 4667 unique_ptr<__loop<_CharT> > __e2(new __loop<_CharT>(__loop_count_, 4668 __s->first(), __e1.get(), __mexp_begin, __mexp_end, __greedy, 4669 __min, __max)); 4670 __s->first() = nullptr; 4671 __e1.release(); 4672 __end_->first() = new __repeat_one_loop<_CharT>(__e2.get()); 4673 __end_ = __e2->second(); 4674 __s->first() = __e2.release(); 4675 ++__loop_count_; 4676} 4677 4678template <class _CharT, class _Traits> 4679void 4680basic_regex<_CharT, _Traits>::__push_char(value_type __c) 4681{ 4682 if (flags() & icase) 4683 __end_->first() = new __match_char_icase<_CharT, _Traits> 4684 (__traits_, __c, __end_->first()); 4685 else if (flags() & collate) 4686 __end_->first() = new __match_char_collate<_CharT, _Traits> 4687 (__traits_, __c, __end_->first()); 4688 else 4689 __end_->first() = new __match_char<_CharT>(__c, __end_->first()); 4690 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4691} 4692 4693template <class _CharT, class _Traits> 4694void 4695basic_regex<_CharT, _Traits>::__push_begin_marked_subexpression() 4696{ 4697 if (!(__flags_ & nosubs)) 4698 { 4699 __end_->first() = 4700 new __begin_marked_subexpression<_CharT>(++__marked_count_, 4701 __end_->first()); 4702 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4703 } 4704} 4705 4706template <class _CharT, class _Traits> 4707void 4708basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub) 4709{ 4710 if (!(__flags_ & nosubs)) 4711 { 4712 __end_->first() = 4713 new __end_marked_subexpression<_CharT>(__sub, __end_->first()); 4714 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4715 } 4716} 4717 4718template <class _CharT, class _Traits> 4719void 4720basic_regex<_CharT, _Traits>::__push_l_anchor() 4721{ 4722 __end_->first() = new __l_anchor<_CharT>(__end_->first()); 4723 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4724} 4725 4726template <class _CharT, class _Traits> 4727void 4728basic_regex<_CharT, _Traits>::__push_r_anchor() 4729{ 4730 __end_->first() = new __r_anchor<_CharT>(__end_->first()); 4731 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4732} 4733 4734template <class _CharT, class _Traits> 4735void 4736basic_regex<_CharT, _Traits>::__push_match_any() 4737{ 4738 __end_->first() = new __match_any<_CharT>(__end_->first()); 4739 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4740} 4741 4742template <class _CharT, class _Traits> 4743void 4744basic_regex<_CharT, _Traits>::__push_match_any_but_newline() 4745{ 4746 __end_->first() = new __match_any_but_newline<_CharT>(__end_->first()); 4747 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4748} 4749 4750template <class _CharT, class _Traits> 4751void 4752basic_regex<_CharT, _Traits>::__push_empty() 4753{ 4754 __end_->first() = new __empty_state<_CharT>(__end_->first()); 4755 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4756} 4757 4758template <class _CharT, class _Traits> 4759void 4760basic_regex<_CharT, _Traits>::__push_word_boundary(bool __invert) 4761{ 4762 __end_->first() = new __word_boundary<_CharT, _Traits>(__traits_, __invert, 4763 __end_->first()); 4764 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4765} 4766 4767template <class _CharT, class _Traits> 4768void 4769basic_regex<_CharT, _Traits>::__push_back_ref(int __i) 4770{ 4771 if (flags() & icase) 4772 __end_->first() = new __back_ref_icase<_CharT, _Traits> 4773 (__traits_, __i, __end_->first()); 4774 else if (flags() & collate) 4775 __end_->first() = new __back_ref_collate<_CharT, _Traits> 4776 (__traits_, __i, __end_->first()); 4777 else 4778 __end_->first() = new __back_ref<_CharT>(__i, __end_->first()); 4779 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4780} 4781 4782template <class _CharT, class _Traits> 4783void 4784basic_regex<_CharT, _Traits>::__push_alternation(__owns_one_state<_CharT>* __sa, 4785 __owns_one_state<_CharT>* __ea) 4786{ 4787 __sa->first() = new __alternate<_CharT>( 4788 static_cast<__owns_one_state<_CharT>*>(__sa->first()), 4789 static_cast<__owns_one_state<_CharT>*>(__ea->first())); 4790 __ea->first() = nullptr; 4791 __ea->first() = new __empty_state<_CharT>(__end_->first()); 4792 __end_->first() = nullptr; 4793 __end_->first() = new __empty_non_own_state<_CharT>(__ea->first()); 4794 __end_ = static_cast<__owns_one_state<_CharT>*>(__ea->first()); 4795} 4796 4797template <class _CharT, class _Traits> 4798__bracket_expression<_CharT, _Traits>* 4799basic_regex<_CharT, _Traits>::__start_matching_list(bool __negate) 4800{ 4801 __bracket_expression<_CharT, _Traits>* __r = 4802 new __bracket_expression<_CharT, _Traits>(__traits_, __end_->first(), 4803 __negate, __flags_ & icase, 4804 __flags_ & collate); 4805 __end_->first() = __r; 4806 __end_ = __r; 4807 return __r; 4808} 4809 4810template <class _CharT, class _Traits> 4811void 4812basic_regex<_CharT, _Traits>::__push_lookahead(const basic_regex& __exp, 4813 bool __invert, 4814 unsigned __mexp) 4815{ 4816 __end_->first() = new __lookahead<_CharT, _Traits>(__exp, __invert, 4817 __end_->first(), __mexp); 4818 __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first()); 4819} 4820 4821typedef basic_regex<char> regex; 4822typedef basic_regex<wchar_t> wregex; 4823 4824// sub_match 4825 4826template <class _BidirectionalIterator> 4827class _LIBCPP_TYPE_VIS_ONLY sub_match 4828 : public pair<_BidirectionalIterator, _BidirectionalIterator> 4829{ 4830public: 4831 typedef _BidirectionalIterator iterator; 4832 typedef typename iterator_traits<iterator>::value_type value_type; 4833 typedef typename iterator_traits<iterator>::difference_type difference_type; 4834 typedef basic_string<value_type> string_type; 4835 4836 bool matched; 4837 4838 _LIBCPP_INLINE_VISIBILITY 4839 _LIBCPP_CONSTEXPR sub_match() : matched() {} 4840 4841 _LIBCPP_INLINE_VISIBILITY 4842 difference_type length() const 4843 {return matched ? _VSTD::distance(this->first, this->second) : 0;} 4844 _LIBCPP_INLINE_VISIBILITY 4845 string_type str() const 4846 {return matched ? string_type(this->first, this->second) : string_type();} 4847 _LIBCPP_INLINE_VISIBILITY 4848 operator string_type() const 4849 {return str();} 4850 4851 _LIBCPP_INLINE_VISIBILITY 4852 int compare(const sub_match& __s) const 4853 {return str().compare(__s.str());} 4854 _LIBCPP_INLINE_VISIBILITY 4855 int compare(const string_type& __s) const 4856 {return str().compare(__s);} 4857 _LIBCPP_INLINE_VISIBILITY 4858 int compare(const value_type* __s) const 4859 {return str().compare(__s);} 4860}; 4861 4862typedef sub_match<const char*> csub_match; 4863typedef sub_match<const wchar_t*> wcsub_match; 4864typedef sub_match<string::const_iterator> ssub_match; 4865typedef sub_match<wstring::const_iterator> wssub_match; 4866 4867template <class _BiIter> 4868inline _LIBCPP_INLINE_VISIBILITY 4869bool 4870operator==(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4871{ 4872 return __x.compare(__y) == 0; 4873} 4874 4875template <class _BiIter> 4876inline _LIBCPP_INLINE_VISIBILITY 4877bool 4878operator!=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4879{ 4880 return !(__x == __y); 4881} 4882 4883template <class _BiIter> 4884inline _LIBCPP_INLINE_VISIBILITY 4885bool 4886operator<(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4887{ 4888 return __x.compare(__y) < 0; 4889} 4890 4891template <class _BiIter> 4892inline _LIBCPP_INLINE_VISIBILITY 4893bool 4894operator<=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4895{ 4896 return !(__y < __x); 4897} 4898 4899template <class _BiIter> 4900inline _LIBCPP_INLINE_VISIBILITY 4901bool 4902operator>=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4903{ 4904 return !(__x < __y); 4905} 4906 4907template <class _BiIter> 4908inline _LIBCPP_INLINE_VISIBILITY 4909bool 4910operator>(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y) 4911{ 4912 return __y < __x; 4913} 4914 4915template <class _BiIter, class _ST, class _SA> 4916inline _LIBCPP_INLINE_VISIBILITY 4917bool 4918operator==(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4919 const sub_match<_BiIter>& __y) 4920{ 4921 return __y.compare(__x.c_str()) == 0; 4922} 4923 4924template <class _BiIter, class _ST, class _SA> 4925inline _LIBCPP_INLINE_VISIBILITY 4926bool 4927operator!=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4928 const sub_match<_BiIter>& __y) 4929{ 4930 return !(__x == __y); 4931} 4932 4933template <class _BiIter, class _ST, class _SA> 4934inline _LIBCPP_INLINE_VISIBILITY 4935bool 4936operator<(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4937 const sub_match<_BiIter>& __y) 4938{ 4939 return __y.compare(__x.c_str()) > 0; 4940} 4941 4942template <class _BiIter, class _ST, class _SA> 4943inline _LIBCPP_INLINE_VISIBILITY 4944bool 4945operator>(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4946 const sub_match<_BiIter>& __y) 4947{ 4948 return __y < __x; 4949} 4950 4951template <class _BiIter, class _ST, class _SA> 4952inline _LIBCPP_INLINE_VISIBILITY 4953bool operator>=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4954 const sub_match<_BiIter>& __y) 4955{ 4956 return !(__x < __y); 4957} 4958 4959template <class _BiIter, class _ST, class _SA> 4960inline _LIBCPP_INLINE_VISIBILITY 4961bool 4962operator<=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x, 4963 const sub_match<_BiIter>& __y) 4964{ 4965 return !(__y < __x); 4966} 4967 4968template <class _BiIter, class _ST, class _SA> 4969inline _LIBCPP_INLINE_VISIBILITY 4970bool 4971operator==(const sub_match<_BiIter>& __x, 4972 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4973{ 4974 return __x.compare(__y.c_str()) == 0; 4975} 4976 4977template <class _BiIter, class _ST, class _SA> 4978inline _LIBCPP_INLINE_VISIBILITY 4979bool 4980operator!=(const sub_match<_BiIter>& __x, 4981 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4982{ 4983 return !(__x == __y); 4984} 4985 4986template <class _BiIter, class _ST, class _SA> 4987inline _LIBCPP_INLINE_VISIBILITY 4988bool 4989operator<(const sub_match<_BiIter>& __x, 4990 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4991{ 4992 return __x.compare(__y.c_str()) < 0; 4993} 4994 4995template <class _BiIter, class _ST, class _SA> 4996inline _LIBCPP_INLINE_VISIBILITY 4997bool operator>(const sub_match<_BiIter>& __x, 4998 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 4999{ 5000 return __y < __x; 5001} 5002 5003template <class _BiIter, class _ST, class _SA> 5004inline _LIBCPP_INLINE_VISIBILITY 5005bool 5006operator>=(const sub_match<_BiIter>& __x, 5007 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 5008{ 5009 return !(__x < __y); 5010} 5011 5012template <class _BiIter, class _ST, class _SA> 5013inline _LIBCPP_INLINE_VISIBILITY 5014bool 5015operator<=(const sub_match<_BiIter>& __x, 5016 const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y) 5017{ 5018 return !(__y < __x); 5019} 5020 5021template <class _BiIter> 5022inline _LIBCPP_INLINE_VISIBILITY 5023bool 5024operator==(typename iterator_traits<_BiIter>::value_type const* __x, 5025 const sub_match<_BiIter>& __y) 5026{ 5027 return __y.compare(__x) == 0; 5028} 5029 5030template <class _BiIter> 5031inline _LIBCPP_INLINE_VISIBILITY 5032bool 5033operator!=(typename iterator_traits<_BiIter>::value_type const* __x, 5034 const sub_match<_BiIter>& __y) 5035{ 5036 return !(__x == __y); 5037} 5038 5039template <class _BiIter> 5040inline _LIBCPP_INLINE_VISIBILITY 5041bool 5042operator<(typename iterator_traits<_BiIter>::value_type const* __x, 5043 const sub_match<_BiIter>& __y) 5044{ 5045 return __y.compare(__x) > 0; 5046} 5047 5048template <class _BiIter> 5049inline _LIBCPP_INLINE_VISIBILITY 5050bool 5051operator>(typename iterator_traits<_BiIter>::value_type const* __x, 5052 const sub_match<_BiIter>& __y) 5053{ 5054 return __y < __x; 5055} 5056 5057template <class _BiIter> 5058inline _LIBCPP_INLINE_VISIBILITY 5059bool 5060operator>=(typename iterator_traits<_BiIter>::value_type const* __x, 5061 const sub_match<_BiIter>& __y) 5062{ 5063 return !(__x < __y); 5064} 5065 5066template <class _BiIter> 5067inline _LIBCPP_INLINE_VISIBILITY 5068bool 5069operator<=(typename iterator_traits<_BiIter>::value_type const* __x, 5070 const sub_match<_BiIter>& __y) 5071{ 5072 return !(__y < __x); 5073} 5074 5075template <class _BiIter> 5076inline _LIBCPP_INLINE_VISIBILITY 5077bool 5078operator==(const sub_match<_BiIter>& __x, 5079 typename iterator_traits<_BiIter>::value_type const* __y) 5080{ 5081 return __x.compare(__y) == 0; 5082} 5083 5084template <class _BiIter> 5085inline _LIBCPP_INLINE_VISIBILITY 5086bool 5087operator!=(const sub_match<_BiIter>& __x, 5088 typename iterator_traits<_BiIter>::value_type const* __y) 5089{ 5090 return !(__x == __y); 5091} 5092 5093template <class _BiIter> 5094inline _LIBCPP_INLINE_VISIBILITY 5095bool 5096operator<(const sub_match<_BiIter>& __x, 5097 typename iterator_traits<_BiIter>::value_type const* __y) 5098{ 5099 return __x.compare(__y) < 0; 5100} 5101 5102template <class _BiIter> 5103inline _LIBCPP_INLINE_VISIBILITY 5104bool 5105operator>(const sub_match<_BiIter>& __x, 5106 typename iterator_traits<_BiIter>::value_type const* __y) 5107{ 5108 return __y < __x; 5109} 5110 5111template <class _BiIter> 5112inline _LIBCPP_INLINE_VISIBILITY 5113bool 5114operator>=(const sub_match<_BiIter>& __x, 5115 typename iterator_traits<_BiIter>::value_type const* __y) 5116{ 5117 return !(__x < __y); 5118} 5119 5120template <class _BiIter> 5121inline _LIBCPP_INLINE_VISIBILITY 5122bool 5123operator<=(const sub_match<_BiIter>& __x, 5124 typename iterator_traits<_BiIter>::value_type const* __y) 5125{ 5126 return !(__y < __x); 5127} 5128 5129template <class _BiIter> 5130inline _LIBCPP_INLINE_VISIBILITY 5131bool 5132operator==(typename iterator_traits<_BiIter>::value_type const& __x, 5133 const sub_match<_BiIter>& __y) 5134{ 5135 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5136 return __y.compare(string_type(1, __x)) == 0; 5137} 5138 5139template <class _BiIter> 5140inline _LIBCPP_INLINE_VISIBILITY 5141bool 5142operator!=(typename iterator_traits<_BiIter>::value_type const& __x, 5143 const sub_match<_BiIter>& __y) 5144{ 5145 return !(__x == __y); 5146} 5147 5148template <class _BiIter> 5149inline _LIBCPP_INLINE_VISIBILITY 5150bool 5151operator<(typename iterator_traits<_BiIter>::value_type const& __x, 5152 const sub_match<_BiIter>& __y) 5153{ 5154 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5155 return __y.compare(string_type(1, __x)) > 0; 5156} 5157 5158template <class _BiIter> 5159inline _LIBCPP_INLINE_VISIBILITY 5160bool 5161operator>(typename iterator_traits<_BiIter>::value_type const& __x, 5162 const sub_match<_BiIter>& __y) 5163{ 5164 return __y < __x; 5165} 5166 5167template <class _BiIter> 5168inline _LIBCPP_INLINE_VISIBILITY 5169bool 5170operator>=(typename iterator_traits<_BiIter>::value_type const& __x, 5171 const sub_match<_BiIter>& __y) 5172{ 5173 return !(__x < __y); 5174} 5175 5176template <class _BiIter> 5177inline _LIBCPP_INLINE_VISIBILITY 5178bool 5179operator<=(typename iterator_traits<_BiIter>::value_type const& __x, 5180 const sub_match<_BiIter>& __y) 5181{ 5182 return !(__y < __x); 5183} 5184 5185template <class _BiIter> 5186inline _LIBCPP_INLINE_VISIBILITY 5187bool 5188operator==(const sub_match<_BiIter>& __x, 5189 typename iterator_traits<_BiIter>::value_type const& __y) 5190{ 5191 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5192 return __x.compare(string_type(1, __y)) == 0; 5193} 5194 5195template <class _BiIter> 5196inline _LIBCPP_INLINE_VISIBILITY 5197bool 5198operator!=(const sub_match<_BiIter>& __x, 5199 typename iterator_traits<_BiIter>::value_type const& __y) 5200{ 5201 return !(__x == __y); 5202} 5203 5204template <class _BiIter> 5205inline _LIBCPP_INLINE_VISIBILITY 5206bool 5207operator<(const sub_match<_BiIter>& __x, 5208 typename iterator_traits<_BiIter>::value_type const& __y) 5209{ 5210 typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type; 5211 return __x.compare(string_type(1, __y)) < 0; 5212} 5213 5214template <class _BiIter> 5215inline _LIBCPP_INLINE_VISIBILITY 5216bool 5217operator>(const sub_match<_BiIter>& __x, 5218 typename iterator_traits<_BiIter>::value_type const& __y) 5219{ 5220 return __y < __x; 5221} 5222 5223template <class _BiIter> 5224inline _LIBCPP_INLINE_VISIBILITY 5225bool 5226operator>=(const sub_match<_BiIter>& __x, 5227 typename iterator_traits<_BiIter>::value_type const& __y) 5228{ 5229 return !(__x < __y); 5230} 5231 5232template <class _BiIter> 5233inline _LIBCPP_INLINE_VISIBILITY 5234bool 5235operator<=(const sub_match<_BiIter>& __x, 5236 typename iterator_traits<_BiIter>::value_type const& __y) 5237{ 5238 return !(__y < __x); 5239} 5240 5241template <class _CharT, class _ST, class _BiIter> 5242inline _LIBCPP_INLINE_VISIBILITY 5243basic_ostream<_CharT, _ST>& 5244operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m) 5245{ 5246 return __os << __m.str(); 5247} 5248 5249template <class _BidirectionalIterator, class _Allocator> 5250class _LIBCPP_TYPE_VIS_ONLY match_results 5251{ 5252public: 5253 typedef _Allocator allocator_type; 5254 typedef sub_match<_BidirectionalIterator> value_type; 5255private: 5256 typedef vector<value_type, allocator_type> __container_type; 5257 5258 __container_type __matches_; 5259 value_type __unmatched_; 5260 value_type __prefix_; 5261 value_type __suffix_; 5262 bool __ready_; 5263public: 5264 _BidirectionalIterator __position_start_; 5265 typedef const value_type& const_reference; 5266 typedef value_type& reference; 5267 typedef typename __container_type::const_iterator const_iterator; 5268 typedef const_iterator iterator; 5269 typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type; 5270 typedef typename allocator_traits<allocator_type>::size_type size_type; 5271 typedef typename iterator_traits<_BidirectionalIterator>::value_type char_type; 5272 typedef basic_string<char_type> string_type; 5273 5274 // construct/copy/destroy: 5275 explicit match_results(const allocator_type& __a = allocator_type()); 5276// match_results(const match_results&) = default; 5277// match_results& operator=(const match_results&) = default; 5278// match_results(match_results&& __m) = default; 5279// match_results& operator=(match_results&& __m) = default; 5280// ~match_results() = default; 5281 5282 _LIBCPP_INLINE_VISIBILITY 5283 bool ready() const {return __ready_;} 5284 5285 // size: 5286 _LIBCPP_INLINE_VISIBILITY 5287 size_type size() const {return __matches_.size();} 5288 _LIBCPP_INLINE_VISIBILITY 5289 size_type max_size() const {return __matches_.max_size();} 5290 _LIBCPP_INLINE_VISIBILITY 5291 bool empty() const {return size() == 0;} 5292 5293 // element access: 5294 _LIBCPP_INLINE_VISIBILITY 5295 difference_type length(size_type __sub = 0) const 5296 {return (*this)[__sub].length();} 5297 _LIBCPP_INLINE_VISIBILITY 5298 difference_type position(size_type __sub = 0) const 5299 {return _VSTD::distance(__position_start_, (*this)[__sub].first);} 5300 _LIBCPP_INLINE_VISIBILITY 5301 string_type str(size_type __sub = 0) const 5302 {return (*this)[__sub].str();} 5303 _LIBCPP_INLINE_VISIBILITY 5304 const_reference operator[](size_type __n) const 5305 {return __n < __matches_.size() ? __matches_[__n] : __unmatched_;} 5306 5307 _LIBCPP_INLINE_VISIBILITY 5308 const_reference prefix() const {return __prefix_;} 5309 _LIBCPP_INLINE_VISIBILITY 5310 const_reference suffix() const {return __suffix_;} 5311 5312 _LIBCPP_INLINE_VISIBILITY 5313 const_iterator begin() const {return empty() ? __matches_.end() : __matches_.begin();} 5314 _LIBCPP_INLINE_VISIBILITY 5315 const_iterator end() const {return __matches_.end();} 5316 _LIBCPP_INLINE_VISIBILITY 5317 const_iterator cbegin() const {return empty() ? __matches_.end() : __matches_.begin();} 5318 _LIBCPP_INLINE_VISIBILITY 5319 const_iterator cend() const {return __matches_.end();} 5320 5321 // format: 5322 template <class _OutputIter> 5323 _OutputIter 5324 format(_OutputIter __out, const char_type* __fmt_first, 5325 const char_type* __fmt_last, 5326 regex_constants::match_flag_type __flags = regex_constants::format_default) const; 5327 template <class _OutputIter, class _ST, class _SA> 5328 _LIBCPP_INLINE_VISIBILITY 5329 _OutputIter 5330 format(_OutputIter __out, const basic_string<char_type, _ST, _SA>& __fmt, 5331 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5332 {return format(__out, __fmt.data(), __fmt.data() + __fmt.size(), __flags);} 5333 template <class _ST, class _SA> 5334 _LIBCPP_INLINE_VISIBILITY 5335 basic_string<char_type, _ST, _SA> 5336 format(const basic_string<char_type, _ST, _SA>& __fmt, 5337 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5338 { 5339 basic_string<char_type, _ST, _SA> __r; 5340 format(back_inserter(__r), __fmt.data(), __fmt.data() + __fmt.size(), 5341 __flags); 5342 return __r; 5343 } 5344 _LIBCPP_INLINE_VISIBILITY 5345 string_type 5346 format(const char_type* __fmt, 5347 regex_constants::match_flag_type __flags = regex_constants::format_default) const 5348 { 5349 string_type __r; 5350 format(back_inserter(__r), __fmt, 5351 __fmt + char_traits<char_type>::length(__fmt), __flags); 5352 return __r; 5353 } 5354 5355 // allocator: 5356 _LIBCPP_INLINE_VISIBILITY 5357 allocator_type get_allocator() const {return __matches_.get_allocator();} 5358 5359 // swap: 5360 void swap(match_results& __m); 5361 5362 template <class _Bp, class _Ap> 5363 _LIBCPP_INLINE_VISIBILITY 5364 void __assign(_BidirectionalIterator __f, _BidirectionalIterator __l, 5365 const match_results<_Bp, _Ap>& __m, bool __no_update_pos) 5366 { 5367 _Bp __mf = __m.prefix().first; 5368 __matches_.resize(__m.size()); 5369 for (size_type __i = 0; __i < __matches_.size(); ++__i) 5370 { 5371 __matches_[__i].first = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].first)); 5372 __matches_[__i].second = _VSTD::next(__f, _VSTD::distance(__mf, __m[__i].second)); 5373 __matches_[__i].matched = __m[__i].matched; 5374 } 5375 __unmatched_.first = __l; 5376 __unmatched_.second = __l; 5377 __unmatched_.matched = false; 5378 __prefix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().first)); 5379 __prefix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.prefix().second)); 5380 __prefix_.matched = __m.prefix().matched; 5381 __suffix_.first = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().first)); 5382 __suffix_.second = _VSTD::next(__f, _VSTD::distance(__mf, __m.suffix().second)); 5383 __suffix_.matched = __m.suffix().matched; 5384 if (!__no_update_pos) 5385 __position_start_ = __prefix_.first; 5386 __ready_ = __m.ready(); 5387 } 5388 5389private: 5390 void __init(unsigned __s, 5391 _BidirectionalIterator __f, _BidirectionalIterator __l, 5392 bool __no_update_pos = false); 5393 5394 template <class, class> friend class basic_regex; 5395 5396 template <class _Bp, class _Ap, class _Cp, class _Tp> 5397 friend 5398 bool 5399 regex_match(_Bp, _Bp, match_results<_Bp, _Ap>&, const basic_regex<_Cp, _Tp>&, 5400 regex_constants::match_flag_type); 5401 5402 template <class _Bp, class _Ap> 5403 friend 5404 bool 5405 operator==(const match_results<_Bp, _Ap>&, const match_results<_Bp, _Ap>&); 5406 5407 template <class, class> friend class __lookahead; 5408}; 5409 5410template <class _BidirectionalIterator, class _Allocator> 5411match_results<_BidirectionalIterator, _Allocator>::match_results( 5412 const allocator_type& __a) 5413 : __matches_(__a), 5414 __unmatched_(), 5415 __prefix_(), 5416 __suffix_(), 5417 __position_start_(), 5418 __ready_(false) 5419{ 5420} 5421 5422template <class _BidirectionalIterator, class _Allocator> 5423void 5424match_results<_BidirectionalIterator, _Allocator>::__init(unsigned __s, 5425 _BidirectionalIterator __f, _BidirectionalIterator __l, 5426 bool __no_update_pos) 5427{ 5428 __unmatched_.first = __l; 5429 __unmatched_.second = __l; 5430 __unmatched_.matched = false; 5431 __matches_.assign(__s, __unmatched_); 5432 __prefix_.first = __f; 5433 __prefix_.second = __f; 5434 __prefix_.matched = false; 5435 __suffix_ = __unmatched_; 5436 if (!__no_update_pos) 5437 __position_start_ = __prefix_.first; 5438 __ready_ = true; 5439} 5440 5441template <class _BidirectionalIterator, class _Allocator> 5442template <class _OutputIter> 5443_OutputIter 5444match_results<_BidirectionalIterator, _Allocator>::format(_OutputIter __out, 5445 const char_type* __fmt_first, const char_type* __fmt_last, 5446 regex_constants::match_flag_type __flags) const 5447{ 5448 if (__flags & regex_constants::format_sed) 5449 { 5450 for (; __fmt_first != __fmt_last; ++__fmt_first) 5451 { 5452 if (*__fmt_first == '&') 5453 __out = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5454 __out); 5455 else if (*__fmt_first == '\\' && __fmt_first + 1 != __fmt_last) 5456 { 5457 ++__fmt_first; 5458 if ('0' <= *__fmt_first && *__fmt_first <= '9') 5459 { 5460 size_t __i = *__fmt_first - '0'; 5461 __out = _VSTD::copy(__matches_[__i].first, 5462 __matches_[__i].second, __out); 5463 } 5464 else 5465 { 5466 *__out = *__fmt_first; 5467 ++__out; 5468 } 5469 } 5470 else 5471 { 5472 *__out = *__fmt_first; 5473 ++__out; 5474 } 5475 } 5476 } 5477 else 5478 { 5479 for (; __fmt_first != __fmt_last; ++__fmt_first) 5480 { 5481 if (*__fmt_first == '$' && __fmt_first + 1 != __fmt_last) 5482 { 5483 switch (__fmt_first[1]) 5484 { 5485 case '$': 5486 *__out = *++__fmt_first; 5487 ++__out; 5488 break; 5489 case '&': 5490 ++__fmt_first; 5491 __out = _VSTD::copy(__matches_[0].first, __matches_[0].second, 5492 __out); 5493 break; 5494 case '`': 5495 ++__fmt_first; 5496 __out = _VSTD::copy(__prefix_.first, __prefix_.second, __out); 5497 break; 5498 case '\'': 5499 ++__fmt_first; 5500 __out = _VSTD::copy(__suffix_.first, __suffix_.second, __out); 5501 break; 5502 default: 5503 if ('0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5504 { 5505 ++__fmt_first; 5506 size_t __i = *__fmt_first - '0'; 5507 if (__fmt_first + 1 != __fmt_last && 5508 '0' <= __fmt_first[1] && __fmt_first[1] <= '9') 5509 { 5510 ++__fmt_first; 5511 __i = 10 * __i + *__fmt_first - '0'; 5512 } 5513 __out = _VSTD::copy(__matches_[__i].first, 5514 __matches_[__i].second, __out); 5515 } 5516 else 5517 { 5518 *__out = *__fmt_first; 5519 ++__out; 5520 } 5521 break; 5522 } 5523 } 5524 else 5525 { 5526 *__out = *__fmt_first; 5527 ++__out; 5528 } 5529 } 5530 } 5531 return __out; 5532} 5533 5534template <class _BidirectionalIterator, class _Allocator> 5535void 5536match_results<_BidirectionalIterator, _Allocator>::swap(match_results& __m) 5537{ 5538 using _VSTD::swap; 5539 swap(__matches_, __m.__matches_); 5540 swap(__unmatched_, __m.__unmatched_); 5541 swap(__prefix_, __m.__prefix_); 5542 swap(__suffix_, __m.__suffix_); 5543 swap(__position_start_, __m.__position_start_); 5544 swap(__ready_, __m.__ready_); 5545} 5546 5547typedef match_results<const char*> cmatch; 5548typedef match_results<const wchar_t*> wcmatch; 5549typedef match_results<string::const_iterator> smatch; 5550typedef match_results<wstring::const_iterator> wsmatch; 5551 5552template <class _BidirectionalIterator, class _Allocator> 5553bool 5554operator==(const match_results<_BidirectionalIterator, _Allocator>& __x, 5555 const match_results<_BidirectionalIterator, _Allocator>& __y) 5556{ 5557 if (__x.__ready_ != __y.__ready_) 5558 return false; 5559 if (!__x.__ready_) 5560 return true; 5561 return __x.__matches_ == __y.__matches_ && 5562 __x.__prefix_ == __y.__prefix_ && 5563 __x.__suffix_ == __y.__suffix_; 5564} 5565 5566template <class _BidirectionalIterator, class _Allocator> 5567inline _LIBCPP_INLINE_VISIBILITY 5568bool 5569operator!=(const match_results<_BidirectionalIterator, _Allocator>& __x, 5570 const match_results<_BidirectionalIterator, _Allocator>& __y) 5571{ 5572 return !(__x == __y); 5573} 5574 5575template <class _BidirectionalIterator, class _Allocator> 5576inline _LIBCPP_INLINE_VISIBILITY 5577void 5578swap(match_results<_BidirectionalIterator, _Allocator>& __x, 5579 match_results<_BidirectionalIterator, _Allocator>& __y) 5580{ 5581 __x.swap(__y); 5582} 5583 5584// regex_search 5585 5586template <class _CharT, class _Traits> 5587template <class _Allocator> 5588bool 5589basic_regex<_CharT, _Traits>::__match_at_start_ecma( 5590 const _CharT* __first, const _CharT* __last, 5591 match_results<const _CharT*, _Allocator>& __m, 5592 regex_constants::match_flag_type __flags, bool __at_first) const 5593{ 5594 vector<__state> __states; 5595 __node* __st = __start_.get(); 5596 if (__st) 5597 { 5598 __states.push_back(__state()); 5599 __states.back().__do_ = 0; 5600 __states.back().__first_ = __first; 5601 __states.back().__current_ = __first; 5602 __states.back().__last_ = __last; 5603 __states.back().__sub_matches_.resize(mark_count()); 5604 __states.back().__loop_data_.resize(__loop_count()); 5605 __states.back().__node_ = __st; 5606 __states.back().__flags_ = __flags; 5607 __states.back().__at_first_ = __at_first; 5608 do 5609 { 5610 __state& __s = __states.back(); 5611 if (__s.__node_) 5612 __s.__node_->__exec(__s); 5613 switch (__s.__do_) 5614 { 5615 case __state::__end_state: 5616 __m.__matches_[0].first = __first; 5617 __m.__matches_[0].second = _VSTD::next(__first, __s.__current_ - __first); 5618 __m.__matches_[0].matched = true; 5619 for (unsigned __i = 0; __i < __s.__sub_matches_.size(); ++__i) 5620 __m.__matches_[__i+1] = __s.__sub_matches_[__i]; 5621 return true; 5622 case __state::__accept_and_consume: 5623 case __state::__repeat: 5624 case __state::__accept_but_not_consume: 5625 break; 5626 case __state::__split: 5627 { 5628 __state __snext = __s; 5629 __s.__node_->__exec_split(true, __s); 5630 __snext.__node_->__exec_split(false, __snext); 5631 __states.push_back(_VSTD::move(__snext)); 5632 } 5633 break; 5634 case __state::__reject: 5635 __states.pop_back(); 5636 break; 5637 default: 5638#ifndef _LIBCPP_NO_EXCEPTIONS 5639 throw regex_error(regex_constants::__re_err_unknown); 5640#endif 5641 break; 5642 5643 } 5644 } while (!__states.empty()); 5645 } 5646 return false; 5647} 5648 5649template <class _CharT, class _Traits> 5650template <class _Allocator> 5651bool 5652basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs( 5653 const _CharT* __first, const _CharT* __last, 5654 match_results<const _CharT*, _Allocator>& __m, 5655 regex_constants::match_flag_type __flags, bool __at_first) const 5656{ 5657 deque<__state> __states; 5658 ptrdiff_t __highest_j = 0; 5659 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5660 __node* __st = __start_.get(); 5661 if (__st) 5662 { 5663 __states.push_back(__state()); 5664 __states.back().__do_ = 0; 5665 __states.back().__first_ = __first; 5666 __states.back().__current_ = __first; 5667 __states.back().__last_ = __last; 5668 __states.back().__loop_data_.resize(__loop_count()); 5669 __states.back().__node_ = __st; 5670 __states.back().__flags_ = __flags; 5671 __states.back().__at_first_ = __at_first; 5672 bool __matched = false; 5673 do 5674 { 5675 __state& __s = __states.back(); 5676 if (__s.__node_) 5677 __s.__node_->__exec(__s); 5678 switch (__s.__do_) 5679 { 5680 case __state::__end_state: 5681 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5682 __highest_j = __s.__current_ - __s.__first_; 5683 __matched = true; 5684 if (__highest_j == _Np) 5685 __states.clear(); 5686 else 5687 __states.pop_back(); 5688 break; 5689 case __state::__consume_input: 5690 break; 5691 case __state::__accept_and_consume: 5692 __states.push_front(_VSTD::move(__s)); 5693 __states.pop_back(); 5694 break; 5695 case __state::__repeat: 5696 case __state::__accept_but_not_consume: 5697 break; 5698 case __state::__split: 5699 { 5700 __state __snext = __s; 5701 __s.__node_->__exec_split(true, __s); 5702 __snext.__node_->__exec_split(false, __snext); 5703 __states.push_back(_VSTD::move(__snext)); 5704 } 5705 break; 5706 case __state::__reject: 5707 __states.pop_back(); 5708 break; 5709 default: 5710#ifndef _LIBCPP_NO_EXCEPTIONS 5711 throw regex_error(regex_constants::__re_err_unknown); 5712#endif 5713 break; 5714 } 5715 } while (!__states.empty()); 5716 if (__matched) 5717 { 5718 __m.__matches_[0].first = __first; 5719 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5720 __m.__matches_[0].matched = true; 5721 return true; 5722 } 5723 } 5724 return false; 5725} 5726 5727template <class _CharT, class _Traits> 5728template <class _Allocator> 5729bool 5730basic_regex<_CharT, _Traits>::__match_at_start_posix_subs( 5731 const _CharT* __first, const _CharT* __last, 5732 match_results<const _CharT*, _Allocator>& __m, 5733 regex_constants::match_flag_type __flags, bool __at_first) const 5734{ 5735 vector<__state> __states; 5736 __state __best_state; 5737 ptrdiff_t __j = 0; 5738 ptrdiff_t __highest_j = 0; 5739 ptrdiff_t _Np = _VSTD::distance(__first, __last); 5740 __node* __st = __start_.get(); 5741 if (__st) 5742 { 5743 __states.push_back(__state()); 5744 __states.back().__do_ = 0; 5745 __states.back().__first_ = __first; 5746 __states.back().__current_ = __first; 5747 __states.back().__last_ = __last; 5748 __states.back().__sub_matches_.resize(mark_count()); 5749 __states.back().__loop_data_.resize(__loop_count()); 5750 __states.back().__node_ = __st; 5751 __states.back().__flags_ = __flags; 5752 __states.back().__at_first_ = __at_first; 5753 const _CharT* __current = __first; 5754 bool __matched = false; 5755 do 5756 { 5757 __state& __s = __states.back(); 5758 if (__s.__node_) 5759 __s.__node_->__exec(__s); 5760 switch (__s.__do_) 5761 { 5762 case __state::__end_state: 5763 if (!__matched || __highest_j < __s.__current_ - __s.__first_) 5764 { 5765 __highest_j = __s.__current_ - __s.__first_; 5766 __best_state = __s; 5767 } 5768 __matched = true; 5769 if (__highest_j == _Np) 5770 __states.clear(); 5771 else 5772 __states.pop_back(); 5773 break; 5774 case __state::__accept_and_consume: 5775 __j += __s.__current_ - __current; 5776 __current = __s.__current_; 5777 break; 5778 case __state::__repeat: 5779 case __state::__accept_but_not_consume: 5780 break; 5781 case __state::__split: 5782 { 5783 __state __snext = __s; 5784 __s.__node_->__exec_split(true, __s); 5785 __snext.__node_->__exec_split(false, __snext); 5786 __states.push_back(_VSTD::move(__snext)); 5787 } 5788 break; 5789 case __state::__reject: 5790 __states.pop_back(); 5791 break; 5792 default: 5793#ifndef _LIBCPP_NO_EXCEPTIONS 5794 throw regex_error(regex_constants::__re_err_unknown); 5795#endif 5796 break; 5797 } 5798 } while (!__states.empty()); 5799 if (__matched) 5800 { 5801 __m.__matches_[0].first = __first; 5802 __m.__matches_[0].second = _VSTD::next(__first, __highest_j); 5803 __m.__matches_[0].matched = true; 5804 for (unsigned __i = 0; __i < __best_state.__sub_matches_.size(); ++__i) 5805 __m.__matches_[__i+1] = __best_state.__sub_matches_[__i]; 5806 return true; 5807 } 5808 } 5809 return false; 5810} 5811 5812template <class _CharT, class _Traits> 5813template <class _Allocator> 5814bool 5815basic_regex<_CharT, _Traits>::__match_at_start( 5816 const _CharT* __first, const _CharT* __last, 5817 match_results<const _CharT*, _Allocator>& __m, 5818 regex_constants::match_flag_type __flags, bool __at_first) const 5819{ 5820 if ((__flags_ & 0x1F0) == ECMAScript) 5821 return __match_at_start_ecma(__first, __last, __m, __flags, __at_first); 5822 if (mark_count() == 0) 5823 return __match_at_start_posix_nosubs(__first, __last, __m, __flags, __at_first); 5824 return __match_at_start_posix_subs(__first, __last, __m, __flags, __at_first); 5825} 5826 5827template <class _CharT, class _Traits> 5828template <class _Allocator> 5829bool 5830basic_regex<_CharT, _Traits>::__search( 5831 const _CharT* __first, const _CharT* __last, 5832 match_results<const _CharT*, _Allocator>& __m, 5833 regex_constants::match_flag_type __flags) const 5834{ 5835 __m.__init(1 + mark_count(), __first, __last, 5836 __flags & regex_constants::__no_update_pos); 5837 if (__match_at_start(__first, __last, __m, __flags, 5838 !(__flags & regex_constants::__no_update_pos))) 5839 { 5840 __m.__prefix_.second = __m[0].first; 5841 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5842 __m.__suffix_.first = __m[0].second; 5843 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5844 return true; 5845 } 5846 if (__first != __last && !(__flags & regex_constants::match_continuous)) 5847 { 5848 __flags |= regex_constants::match_prev_avail; 5849 for (++__first; __first != __last; ++__first) 5850 { 5851 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5852 if (__match_at_start(__first, __last, __m, __flags, false)) 5853 { 5854 __m.__prefix_.second = __m[0].first; 5855 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second; 5856 __m.__suffix_.first = __m[0].second; 5857 __m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second; 5858 return true; 5859 } 5860 __m.__matches_.assign(__m.size(), __m.__unmatched_); 5861 } 5862 } 5863 __m.__matches_.clear(); 5864 return false; 5865} 5866 5867template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5868inline _LIBCPP_INLINE_VISIBILITY 5869bool 5870regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5871 match_results<_BidirectionalIterator, _Allocator>& __m, 5872 const basic_regex<_CharT, _Traits>& __e, 5873 regex_constants::match_flag_type __flags = regex_constants::match_default) 5874{ 5875 int __offset = (__flags & regex_constants::match_prev_avail) ? 1 : 0; 5876 basic_string<_CharT> __s(_VSTD::prev(__first, __offset), __last); 5877 match_results<const _CharT*> __mc; 5878 bool __r = __e.__search(__s.data() + __offset, __s.data() + __s.size(), __mc, __flags); 5879 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5880 return __r; 5881} 5882 5883template <class _Iter, class _Allocator, class _CharT, class _Traits> 5884inline _LIBCPP_INLINE_VISIBILITY 5885bool 5886regex_search(__wrap_iter<_Iter> __first, 5887 __wrap_iter<_Iter> __last, 5888 match_results<__wrap_iter<_Iter>, _Allocator>& __m, 5889 const basic_regex<_CharT, _Traits>& __e, 5890 regex_constants::match_flag_type __flags = regex_constants::match_default) 5891{ 5892 match_results<const _CharT*> __mc; 5893 bool __r = __e.__search(__first.base(), __last.base(), __mc, __flags); 5894 __m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos); 5895 return __r; 5896} 5897 5898template <class _Allocator, class _CharT, class _Traits> 5899inline _LIBCPP_INLINE_VISIBILITY 5900bool 5901regex_search(const _CharT* __first, const _CharT* __last, 5902 match_results<const _CharT*, _Allocator>& __m, 5903 const basic_regex<_CharT, _Traits>& __e, 5904 regex_constants::match_flag_type __flags = regex_constants::match_default) 5905{ 5906 return __e.__search(__first, __last, __m, __flags); 5907} 5908 5909template <class _BidirectionalIterator, class _CharT, class _Traits> 5910inline _LIBCPP_INLINE_VISIBILITY 5911bool 5912regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last, 5913 const basic_regex<_CharT, _Traits>& __e, 5914 regex_constants::match_flag_type __flags = regex_constants::match_default) 5915{ 5916 basic_string<_CharT> __s(__first, __last); 5917 match_results<const _CharT*> __mc; 5918 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5919} 5920 5921template <class _CharT, class _Traits> 5922inline _LIBCPP_INLINE_VISIBILITY 5923bool 5924regex_search(const _CharT* __first, const _CharT* __last, 5925 const basic_regex<_CharT, _Traits>& __e, 5926 regex_constants::match_flag_type __flags = regex_constants::match_default) 5927{ 5928 match_results<const _CharT*> __mc; 5929 return __e.__search(__first, __last, __mc, __flags); 5930} 5931 5932template <class _CharT, class _Allocator, class _Traits> 5933inline _LIBCPP_INLINE_VISIBILITY 5934bool 5935regex_search(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 5936 const basic_regex<_CharT, _Traits>& __e, 5937 regex_constants::match_flag_type __flags = regex_constants::match_default) 5938{ 5939 return __e.__search(__str, __str + _Traits::length(__str), __m, __flags); 5940} 5941 5942template <class _CharT, class _Traits> 5943inline _LIBCPP_INLINE_VISIBILITY 5944bool 5945regex_search(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 5946 regex_constants::match_flag_type __flags = regex_constants::match_default) 5947{ 5948 match_results<const _CharT*> __m; 5949 return _VSTD::regex_search(__str, __m, __e, __flags); 5950} 5951 5952template <class _ST, class _SA, class _CharT, class _Traits> 5953inline _LIBCPP_INLINE_VISIBILITY 5954bool 5955regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5956 const basic_regex<_CharT, _Traits>& __e, 5957 regex_constants::match_flag_type __flags = regex_constants::match_default) 5958{ 5959 match_results<const _CharT*> __mc; 5960 return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5961} 5962 5963template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 5964inline _LIBCPP_INLINE_VISIBILITY 5965bool 5966regex_search(const basic_string<_CharT, _ST, _SA>& __s, 5967 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 5968 const basic_regex<_CharT, _Traits>& __e, 5969 regex_constants::match_flag_type __flags = regex_constants::match_default) 5970{ 5971 match_results<const _CharT*> __mc; 5972 bool __r = __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags); 5973 __m.__assign(__s.begin(), __s.end(), __mc, __flags & regex_constants::__no_update_pos); 5974 return __r; 5975} 5976 5977#if _LIBCPP_STD_VER > 11 5978template <class _ST, class _SA, class _Ap, class _Cp, class _Tp> 5979bool 5980regex_search(const basic_string<_Cp, _ST, _SA>&& __s, 5981 match_results<typename basic_string<_Cp, _ST, _SA>::const_iterator, _Ap>&, 5982 const basic_regex<_Cp, _Tp>& __e, 5983 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 5984#endif 5985 5986// regex_match 5987 5988template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits> 5989bool 5990regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 5991 match_results<_BidirectionalIterator, _Allocator>& __m, 5992 const basic_regex<_CharT, _Traits>& __e, 5993 regex_constants::match_flag_type __flags = regex_constants::match_default) 5994{ 5995 bool __r = _VSTD::regex_search(__first, __last, __m, __e, 5996 __flags | regex_constants::match_continuous); 5997 if (__r) 5998 { 5999 __r = !__m.suffix().matched; 6000 if (!__r) 6001 __m.__matches_.clear(); 6002 } 6003 return __r; 6004} 6005 6006template <class _BidirectionalIterator, class _CharT, class _Traits> 6007inline _LIBCPP_INLINE_VISIBILITY 6008bool 6009regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last, 6010 const basic_regex<_CharT, _Traits>& __e, 6011 regex_constants::match_flag_type __flags = regex_constants::match_default) 6012{ 6013 match_results<_BidirectionalIterator> __m; 6014 return _VSTD::regex_match(__first, __last, __m, __e, __flags); 6015} 6016 6017template <class _CharT, class _Allocator, class _Traits> 6018inline _LIBCPP_INLINE_VISIBILITY 6019bool 6020regex_match(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m, 6021 const basic_regex<_CharT, _Traits>& __e, 6022 regex_constants::match_flag_type __flags = regex_constants::match_default) 6023{ 6024 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __m, __e, __flags); 6025} 6026 6027template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6028inline _LIBCPP_INLINE_VISIBILITY 6029bool 6030regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6031 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6032 const basic_regex<_CharT, _Traits>& __e, 6033 regex_constants::match_flag_type __flags = regex_constants::match_default) 6034{ 6035 return _VSTD::regex_match(__s.begin(), __s.end(), __m, __e, __flags); 6036} 6037 6038#if _LIBCPP_STD_VER > 11 6039template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits> 6040inline _LIBCPP_INLINE_VISIBILITY 6041bool 6042regex_match(const basic_string<_CharT, _ST, _SA>&& __s, 6043 match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m, 6044 const basic_regex<_CharT, _Traits>& __e, 6045 regex_constants::match_flag_type __flags = regex_constants::match_default) = delete; 6046#endif 6047 6048template <class _CharT, class _Traits> 6049inline _LIBCPP_INLINE_VISIBILITY 6050bool 6051regex_match(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e, 6052 regex_constants::match_flag_type __flags = regex_constants::match_default) 6053{ 6054 return _VSTD::regex_match(__str, __str + _Traits::length(__str), __e, __flags); 6055} 6056 6057template <class _ST, class _SA, class _CharT, class _Traits> 6058inline _LIBCPP_INLINE_VISIBILITY 6059bool 6060regex_match(const basic_string<_CharT, _ST, _SA>& __s, 6061 const basic_regex<_CharT, _Traits>& __e, 6062 regex_constants::match_flag_type __flags = regex_constants::match_default) 6063{ 6064 return _VSTD::regex_match(__s.begin(), __s.end(), __e, __flags); 6065} 6066 6067// regex_iterator 6068 6069template <class _BidirectionalIterator, 6070 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6071 class _Traits = regex_traits<_CharT> > 6072class _LIBCPP_TYPE_VIS_ONLY regex_iterator 6073{ 6074public: 6075 typedef basic_regex<_CharT, _Traits> regex_type; 6076 typedef match_results<_BidirectionalIterator> value_type; 6077 typedef ptrdiff_t difference_type; 6078 typedef const value_type* pointer; 6079 typedef const value_type& reference; 6080 typedef forward_iterator_tag iterator_category; 6081 6082private: 6083 _BidirectionalIterator __begin_; 6084 _BidirectionalIterator __end_; 6085 const regex_type* __pregex_; 6086 regex_constants::match_flag_type __flags_; 6087 value_type __match_; 6088 6089public: 6090 regex_iterator(); 6091 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6092 const regex_type& __re, 6093 regex_constants::match_flag_type __m 6094 = regex_constants::match_default); 6095#if _LIBCPP_STD_VER > 11 6096 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6097 const regex_type&& __re, 6098 regex_constants::match_flag_type __m 6099 = regex_constants::match_default) = delete; 6100#endif 6101 6102 bool operator==(const regex_iterator& __x) const; 6103 _LIBCPP_INLINE_VISIBILITY 6104 bool operator!=(const regex_iterator& __x) const {return !(*this == __x);} 6105 6106 _LIBCPP_INLINE_VISIBILITY 6107 reference operator*() const {return __match_;} 6108 _LIBCPP_INLINE_VISIBILITY 6109 pointer operator->() const {return &__match_;} 6110 6111 regex_iterator& operator++(); 6112 _LIBCPP_INLINE_VISIBILITY 6113 regex_iterator operator++(int) 6114 { 6115 regex_iterator __t(*this); 6116 ++(*this); 6117 return __t; 6118 } 6119}; 6120 6121template <class _BidirectionalIterator, class _CharT, class _Traits> 6122regex_iterator<_BidirectionalIterator, _CharT, _Traits>::regex_iterator() 6123 : __begin_(), __end_(), __pregex_(nullptr), __flags_(), __match_() 6124{ 6125} 6126 6127template <class _BidirectionalIterator, class _CharT, class _Traits> 6128regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6129 regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6130 const regex_type& __re, regex_constants::match_flag_type __m) 6131 : __begin_(__a), 6132 __end_(__b), 6133 __pregex_(&__re), 6134 __flags_(__m) 6135{ 6136 _VSTD::regex_search(__begin_, __end_, __match_, *__pregex_, __flags_); 6137} 6138 6139template <class _BidirectionalIterator, class _CharT, class _Traits> 6140bool 6141regex_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6142 operator==(const regex_iterator& __x) const 6143{ 6144 if (__match_.empty() && __x.__match_.empty()) 6145 return true; 6146 if (__match_.empty() || __x.__match_.empty()) 6147 return false; 6148 return __begin_ == __x.__begin_ && 6149 __end_ == __x.__end_ && 6150 __pregex_ == __x.__pregex_ && 6151 __flags_ == __x.__flags_ && 6152 __match_[0] == __x.__match_[0]; 6153} 6154 6155template <class _BidirectionalIterator, class _CharT, class _Traits> 6156regex_iterator<_BidirectionalIterator, _CharT, _Traits>& 6157regex_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6158{ 6159 __flags_ |= regex_constants::__no_update_pos; 6160 _BidirectionalIterator __start = __match_[0].second; 6161 if (__match_.empty()) 6162 { 6163 if (__start == __end_) 6164 { 6165 __match_ = value_type(); 6166 return *this; 6167 } 6168 else if (_VSTD::regex_search(__start, __end_, __match_, *__pregex_, 6169 __flags_ | regex_constants::match_not_null | 6170 regex_constants::match_continuous)) 6171 return *this; 6172 else 6173 ++__start; 6174 } 6175 __flags_ |= regex_constants::match_prev_avail; 6176 if (!_VSTD::regex_search(__start, __end_, __match_, *__pregex_, __flags_)) 6177 __match_ = value_type(); 6178 return *this; 6179} 6180 6181typedef regex_iterator<const char*> cregex_iterator; 6182typedef regex_iterator<const wchar_t*> wcregex_iterator; 6183typedef regex_iterator<string::const_iterator> sregex_iterator; 6184typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 6185 6186// regex_token_iterator 6187 6188template <class _BidirectionalIterator, 6189 class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type, 6190 class _Traits = regex_traits<_CharT> > 6191class _LIBCPP_TYPE_VIS_ONLY regex_token_iterator 6192{ 6193public: 6194 typedef basic_regex<_CharT, _Traits> regex_type; 6195 typedef sub_match<_BidirectionalIterator> value_type; 6196 typedef ptrdiff_t difference_type; 6197 typedef const value_type* pointer; 6198 typedef const value_type& reference; 6199 typedef forward_iterator_tag iterator_category; 6200 6201private: 6202 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Position; 6203 6204 _Position __position_; 6205 const value_type* __result_; 6206 value_type __suffix_; 6207 ptrdiff_t _N_; 6208 vector<int> __subs_; 6209 6210public: 6211 regex_token_iterator(); 6212 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6213 const regex_type& __re, int __submatch = 0, 6214 regex_constants::match_flag_type __m = 6215 regex_constants::match_default); 6216#if _LIBCPP_STD_VER > 11 6217 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6218 const regex_type&& __re, int __submatch = 0, 6219 regex_constants::match_flag_type __m = 6220 regex_constants::match_default) = delete; 6221#endif 6222 6223 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6224 const regex_type& __re, const vector<int>& __submatches, 6225 regex_constants::match_flag_type __m = 6226 regex_constants::match_default); 6227#if _LIBCPP_STD_VER > 11 6228 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6229 const regex_type&& __re, const vector<int>& __submatches, 6230 regex_constants::match_flag_type __m = 6231 regex_constants::match_default) = delete; 6232#endif 6233 6234#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6235 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6236 const regex_type& __re, 6237 initializer_list<int> __submatches, 6238 regex_constants::match_flag_type __m = 6239 regex_constants::match_default); 6240 6241#if _LIBCPP_STD_VER > 11 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) = delete; 6247#endif 6248#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6249 template <size_t _Np> 6250 regex_token_iterator(_BidirectionalIterator __a, 6251 _BidirectionalIterator __b, 6252 const regex_type& __re, 6253 const int (&__submatches)[_Np], 6254 regex_constants::match_flag_type __m = 6255 regex_constants::match_default); 6256#if _LIBCPP_STD_VER > 11 6257 template <std::size_t _Np> 6258 regex_token_iterator(_BidirectionalIterator __a, 6259 _BidirectionalIterator __b, 6260 const regex_type&& __re, 6261 const int (&__submatches)[_Np], 6262 regex_constants::match_flag_type __m = 6263 regex_constants::match_default) = delete; 6264#endif 6265 6266 regex_token_iterator(const regex_token_iterator&); 6267 regex_token_iterator& operator=(const regex_token_iterator&); 6268 6269 bool operator==(const regex_token_iterator& __x) const; 6270 _LIBCPP_INLINE_VISIBILITY 6271 bool operator!=(const regex_token_iterator& __x) const {return !(*this == __x);} 6272 6273 _LIBCPP_INLINE_VISIBILITY 6274 const value_type& operator*() const {return *__result_;} 6275 _LIBCPP_INLINE_VISIBILITY 6276 const value_type* operator->() const {return __result_;} 6277 6278 regex_token_iterator& operator++(); 6279 _LIBCPP_INLINE_VISIBILITY 6280 regex_token_iterator operator++(int) 6281 { 6282 regex_token_iterator __t(*this); 6283 ++(*this); 6284 return __t; 6285 } 6286 6287private: 6288 void __init(_BidirectionalIterator __a, _BidirectionalIterator __b); 6289 void __establish_result () { 6290 if (__subs_[_N_] == -1) 6291 __result_ = &__position_->prefix(); 6292 else 6293 __result_ = &(*__position_)[__subs_[_N_]]; 6294 } 6295}; 6296 6297template <class _BidirectionalIterator, class _CharT, class _Traits> 6298regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6299 regex_token_iterator() 6300 : __result_(nullptr), 6301 __suffix_(), 6302 _N_(0) 6303{ 6304} 6305 6306template <class _BidirectionalIterator, class _CharT, class _Traits> 6307void 6308regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6309 __init(_BidirectionalIterator __a, _BidirectionalIterator __b) 6310{ 6311 if (__position_ != _Position()) 6312 __establish_result (); 6313 else if (__subs_[_N_] == -1) 6314 { 6315 __suffix_.matched = true; 6316 __suffix_.first = __a; 6317 __suffix_.second = __b; 6318 __result_ = &__suffix_; 6319 } 6320 else 6321 __result_ = nullptr; 6322} 6323 6324template <class _BidirectionalIterator, class _CharT, class _Traits> 6325regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6326 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6327 const regex_type& __re, int __submatch, 6328 regex_constants::match_flag_type __m) 6329 : __position_(__a, __b, __re, __m), 6330 _N_(0), 6331 __subs_(1, __submatch) 6332{ 6333 __init(__a, __b); 6334} 6335 6336template <class _BidirectionalIterator, class _CharT, class _Traits> 6337regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6338 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6339 const regex_type& __re, const vector<int>& __submatches, 6340 regex_constants::match_flag_type __m) 6341 : __position_(__a, __b, __re, __m), 6342 _N_(0), 6343 __subs_(__submatches) 6344{ 6345 __init(__a, __b); 6346} 6347 6348#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6349 6350template <class _BidirectionalIterator, class _CharT, class _Traits> 6351regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6352 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6353 const regex_type& __re, 6354 initializer_list<int> __submatches, 6355 regex_constants::match_flag_type __m) 6356 : __position_(__a, __b, __re, __m), 6357 _N_(0), 6358 __subs_(__submatches) 6359{ 6360 __init(__a, __b); 6361} 6362 6363#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 6364 6365template <class _BidirectionalIterator, class _CharT, class _Traits> 6366template <size_t _Np> 6367regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6368 regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b, 6369 const regex_type& __re, 6370 const int (&__submatches)[_Np], 6371 regex_constants::match_flag_type __m) 6372 : __position_(__a, __b, __re, __m), 6373 _N_(0), 6374 __subs_(__submatches, __submatches + _Np) 6375{ 6376 __init(__a, __b); 6377} 6378 6379template <class _BidirectionalIterator, class _CharT, class _Traits> 6380regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6381 regex_token_iterator(const regex_token_iterator& __x) 6382 : __position_(__x.__position_), 6383 __result_(__x.__result_), 6384 __suffix_(__x.__suffix_), 6385 _N_(__x._N_), 6386 __subs_(__x.__subs_) 6387{ 6388 if (__x.__result_ == &__x.__suffix_) 6389 __result_ = &__suffix_; 6390 else if ( __result_ != nullptr ) 6391 __establish_result (); 6392} 6393 6394template <class _BidirectionalIterator, class _CharT, class _Traits> 6395regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6396regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6397 operator=(const regex_token_iterator& __x) 6398{ 6399 if (this != &__x) 6400 { 6401 __position_ = __x.__position_; 6402 if (__x.__result_ == &__x.__suffix_) 6403 __result_ = &__suffix_; 6404 else 6405 __result_ = __x.__result_; 6406 __suffix_ = __x.__suffix_; 6407 _N_ = __x._N_; 6408 __subs_ = __x.__subs_; 6409 6410 if ( __result_ != nullptr && __result_ != &__suffix_ ) 6411 __establish_result(); 6412 } 6413 return *this; 6414} 6415 6416template <class _BidirectionalIterator, class _CharT, class _Traits> 6417bool 6418regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>:: 6419 operator==(const regex_token_iterator& __x) const 6420{ 6421 if (__result_ == nullptr && __x.__result_ == nullptr) 6422 return true; 6423 if (__result_ == &__suffix_ && __x.__result_ == &__x.__suffix_ && 6424 __suffix_ == __x.__suffix_) 6425 return true; 6426 if (__result_ == nullptr || __x.__result_ == nullptr) 6427 return false; 6428 if (__result_ == &__suffix_ || __x.__result_ == &__x.__suffix_) 6429 return false; 6430 return __position_ == __x.__position_ && _N_ == __x._N_ && 6431 __subs_ == __x.__subs_; 6432} 6433 6434template <class _BidirectionalIterator, class _CharT, class _Traits> 6435regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>& 6436regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++() 6437{ 6438 _Position __prev = __position_; 6439 if (__result_ == &__suffix_) 6440 __result_ = nullptr; 6441 else if (_N_ + 1 < __subs_.size()) 6442 { 6443 ++_N_; 6444 __establish_result(); 6445 } 6446 else 6447 { 6448 _N_ = 0; 6449 ++__position_; 6450 if (__position_ != _Position()) 6451 __establish_result(); 6452 else 6453 { 6454 if (_VSTD::find(__subs_.begin(), __subs_.end(), -1) != __subs_.end() 6455 && __prev->suffix().length() != 0) 6456 { 6457 __suffix_.matched = true; 6458 __suffix_.first = __prev->suffix().first; 6459 __suffix_.second = __prev->suffix().second; 6460 __result_ = &__suffix_; 6461 } 6462 else 6463 __result_ = nullptr; 6464 } 6465 } 6466 return *this; 6467} 6468 6469typedef regex_token_iterator<const char*> cregex_token_iterator; 6470typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 6471typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 6472typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 6473 6474// regex_replace 6475 6476template <class _OutputIterator, class _BidirectionalIterator, 6477 class _Traits, class _CharT> 6478_OutputIterator 6479regex_replace(_OutputIterator __out, 6480 _BidirectionalIterator __first, _BidirectionalIterator __last, 6481 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6482 regex_constants::match_flag_type __flags = regex_constants::match_default) 6483{ 6484 typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Iter; 6485 _Iter __i(__first, __last, __e, __flags); 6486 _Iter __eof; 6487 if (__i == __eof) 6488 { 6489 if (!(__flags & regex_constants::format_no_copy)) 6490 __out = _VSTD::copy(__first, __last, __out); 6491 } 6492 else 6493 { 6494 sub_match<_BidirectionalIterator> __lm; 6495 for (size_t __len = char_traits<_CharT>::length(__fmt); __i != __eof; ++__i) 6496 { 6497 if (!(__flags & regex_constants::format_no_copy)) 6498 __out = _VSTD::copy(__i->prefix().first, __i->prefix().second, __out); 6499 __out = __i->format(__out, __fmt, __fmt + __len, __flags); 6500 __lm = __i->suffix(); 6501 if (__flags & regex_constants::format_first_only) 6502 break; 6503 } 6504 if (!(__flags & regex_constants::format_no_copy)) 6505 __out = _VSTD::copy(__lm.first, __lm.second, __out); 6506 } 6507 return __out; 6508} 6509 6510template <class _OutputIterator, class _BidirectionalIterator, 6511 class _Traits, class _CharT, class _ST, class _SA> 6512inline _LIBCPP_INLINE_VISIBILITY 6513_OutputIterator 6514regex_replace(_OutputIterator __out, 6515 _BidirectionalIterator __first, _BidirectionalIterator __last, 6516 const basic_regex<_CharT, _Traits>& __e, 6517 const basic_string<_CharT, _ST, _SA>& __fmt, 6518 regex_constants::match_flag_type __flags = regex_constants::match_default) 6519{ 6520 return _VSTD::regex_replace(__out, __first, __last, __e, __fmt.c_str(), __flags); 6521} 6522 6523template <class _Traits, class _CharT, class _ST, class _SA, class _FST, 6524 class _FSA> 6525inline _LIBCPP_INLINE_VISIBILITY 6526basic_string<_CharT, _ST, _SA> 6527regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6528 const basic_regex<_CharT, _Traits>& __e, 6529 const basic_string<_CharT, _FST, _FSA>& __fmt, 6530 regex_constants::match_flag_type __flags = regex_constants::match_default) 6531{ 6532 basic_string<_CharT, _ST, _SA> __r; 6533 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6534 __fmt.c_str(), __flags); 6535 return __r; 6536} 6537 6538template <class _Traits, class _CharT, class _ST, class _SA> 6539inline _LIBCPP_INLINE_VISIBILITY 6540basic_string<_CharT, _ST, _SA> 6541regex_replace(const basic_string<_CharT, _ST, _SA>& __s, 6542 const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt, 6543 regex_constants::match_flag_type __flags = regex_constants::match_default) 6544{ 6545 basic_string<_CharT, _ST, _SA> __r; 6546 _VSTD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e, 6547 __fmt, __flags); 6548 return __r; 6549} 6550 6551template <class _Traits, class _CharT, class _ST, class _SA> 6552inline _LIBCPP_INLINE_VISIBILITY 6553basic_string<_CharT> 6554regex_replace(const _CharT* __s, 6555 const basic_regex<_CharT, _Traits>& __e, 6556 const basic_string<_CharT, _ST, _SA>& __fmt, 6557 regex_constants::match_flag_type __flags = regex_constants::match_default) 6558{ 6559 basic_string<_CharT> __r; 6560 _VSTD::regex_replace(back_inserter(__r), __s, 6561 __s + char_traits<_CharT>::length(__s), __e, 6562 __fmt.c_str(), __flags); 6563 return __r; 6564} 6565 6566template <class _Traits, class _CharT> 6567inline _LIBCPP_INLINE_VISIBILITY 6568basic_string<_CharT> 6569regex_replace(const _CharT* __s, 6570 const basic_regex<_CharT, _Traits>& __e, 6571 const _CharT* __fmt, 6572 regex_constants::match_flag_type __flags = regex_constants::match_default) 6573{ 6574 basic_string<_CharT> __r; 6575 _VSTD::regex_replace(back_inserter(__r), __s, 6576 __s + char_traits<_CharT>::length(__s), __e, 6577 __fmt, __flags); 6578 return __r; 6579} 6580 6581_LIBCPP_END_NAMESPACE_STD 6582 6583#endif // _LIBCPP_REGEX 6584