Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- regex ------------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is distributed under the University of Illinois Open Source |
| 7 | // License. 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 | |
| 19 | namespace std |
| 20 | { |
| 21 | |
| 22 | namespace regex_constants |
| 23 | { |
| 24 | |
| 25 | emum 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 | |
| 39 | constexpr syntax_option_type operator~(syntax_option_type f); |
| 40 | constexpr syntax_option_type operator&(syntax_option_type lhs, syntax_option_type rhs); |
| 41 | constexpr syntax_option_type operator|(syntax_option_type lhs, syntax_option_type rhs); |
| 42 | |
| 43 | enum 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 | |
| 60 | constexpr match_flag_type operator~(match_flag_type f); |
| 61 | constexpr match_flag_type operator&(match_flag_type lhs, match_flag_type rhs); |
| 62 | constexpr match_flag_type operator|(match_flag_type lhs, match_flag_type rhs); |
| 63 | |
| 64 | enum 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 | |
| 83 | class regex_error |
| 84 | : public runtime_error |
| 85 | { |
| 86 | public: |
| 87 | explicit regex_error(regex_constants::error_type ecode); |
| 88 | regex_constants::error_type code() const; |
| 89 | }; |
| 90 | |
| 91 | template <class charT> |
| 92 | struct regex_traits |
| 93 | { |
| 94 | public: |
| 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 | |
| 124 | template <class charT, class traits = regex_traits<charT>> |
| 125 | class basic_regex |
| 126 | { |
| 127 | public: |
| 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&&); |
| 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&&); |
| 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); |
| 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 | |
| 193 | typedef basic_regex<char> regex; |
| 194 | typedef basic_regex<wchar_t> wregex; |
| 195 | |
| 196 | template <class charT, class traits> |
| 197 | void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2); |
| 198 | |
| 199 | template <class BidirectionalIterator> |
| 200 | class sub_match |
| 201 | : public pair<BidirectionalIterator, BidirectionalIterator> |
| 202 | { |
| 203 | public: |
| 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 | difference_type length() const; |
| 212 | operator string_type() const; |
| 213 | string_type str() const; |
| 214 | |
| 215 | int compare(const sub_match& s) const; |
| 216 | int compare(const string_type& s) const; |
| 217 | int compare(const value_type* s) const; |
| 218 | }; |
| 219 | |
| 220 | typedef sub_match<const char*> csub_match; |
| 221 | typedef sub_match<const wchar_t*> wcsub_match; |
| 222 | typedef sub_match<string::const_iterator> ssub_match; |
| 223 | typedef sub_match<wstring::const_iterator> wssub_match; |
| 224 | |
| 225 | template <class BiIter> |
| 226 | bool |
| 227 | operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 228 | |
| 229 | template <class BiIter> |
| 230 | bool |
| 231 | operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 232 | |
| 233 | template <class BiIter> |
| 234 | bool |
| 235 | operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 236 | |
| 237 | template <class BiIter> |
| 238 | bool |
| 239 | operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 240 | |
| 241 | template <class BiIter> |
| 242 | bool |
| 243 | operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 244 | |
| 245 | template <class BiIter> |
| 246 | bool |
| 247 | operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| 248 | |
| 249 | template <class BiIter, class ST, class SA> |
| 250 | bool |
| 251 | operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 252 | const sub_match<BiIter>& rhs); |
| 253 | |
| 254 | template <class BiIter, class ST, class SA> |
| 255 | bool |
| 256 | operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 257 | const sub_match<BiIter>& rhs); |
| 258 | |
| 259 | template <class BiIter, class ST, class SA> |
| 260 | bool |
| 261 | operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 262 | const sub_match<BiIter>& rhs); |
| 263 | |
| 264 | template <class BiIter, class ST, class SA> |
| 265 | bool |
| 266 | operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 267 | const sub_match<BiIter>& rhs); |
| 268 | |
| 269 | template <class BiIter, class ST, class SA> |
| 270 | bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 271 | const sub_match<BiIter>& rhs); |
| 272 | |
| 273 | template <class BiIter, class ST, class SA> |
| 274 | bool |
| 275 | operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| 276 | const sub_match<BiIter>& rhs); |
| 277 | |
| 278 | template <class BiIter, class ST, class SA> |
| 279 | bool |
| 280 | operator==(const sub_match<BiIter>& lhs, |
| 281 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 282 | |
| 283 | template <class BiIter, class ST, class SA> |
| 284 | bool |
| 285 | operator!=(const sub_match<BiIter>& lhs, |
| 286 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 287 | |
| 288 | template <class BiIter, class ST, class SA> |
| 289 | bool |
| 290 | operator<(const sub_match<BiIter>& lhs, |
| 291 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 292 | |
| 293 | template <class BiIter, class ST, class SA> |
| 294 | bool operator>(const sub_match<BiIter>& lhs, |
| 295 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 296 | |
| 297 | template <class BiIter, class ST, class SA> |
| 298 | bool |
| 299 | operator>=(const sub_match<BiIter>& lhs, |
| 300 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 301 | |
| 302 | template <class BiIter, class ST, class SA> |
| 303 | bool |
| 304 | operator<=(const sub_match<BiIter>& lhs, |
| 305 | const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| 306 | |
| 307 | template <class BiIter> |
| 308 | bool |
| 309 | operator==(typename iterator_traits<BiIter>::value_type const* lhs, |
| 310 | const sub_match<BiIter>& rhs); |
| 311 | |
| 312 | template <class BiIter> |
| 313 | bool |
| 314 | operator!=(typename iterator_traits<BiIter>::value_type const* lhs, |
| 315 | const sub_match<BiIter>& rhs); |
| 316 | |
| 317 | template <class BiIter> |
| 318 | bool |
| 319 | operator<(typename iterator_traits<BiIter>::value_type const* lhs, |
| 320 | const sub_match<BiIter>& rhs); |
| 321 | |
| 322 | template <class BiIter> |
| 323 | bool |
| 324 | operator>(typename iterator_traits<BiIter>::value_type const* lhs, |
| 325 | const sub_match<BiIter>& rhs); |
| 326 | |
| 327 | template <class BiIter> |
| 328 | bool |
| 329 | operator>=(typename iterator_traits<BiIter>::value_type const* lhs, |
| 330 | const sub_match<BiIter>& rhs); |
| 331 | |
| 332 | template <class BiIter> |
| 333 | bool |
| 334 | operator<=(typename iterator_traits<BiIter>::value_type const* lhs, |
| 335 | const sub_match<BiIter>& rhs); |
| 336 | |
| 337 | template <class BiIter> |
| 338 | bool |
| 339 | operator==(const sub_match<BiIter>& lhs, |
| 340 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 341 | |
| 342 | template <class BiIter> |
| 343 | bool |
| 344 | operator!=(const sub_match<BiIter>& lhs, |
| 345 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 346 | |
| 347 | template <class BiIter> |
| 348 | bool |
| 349 | operator<(const sub_match<BiIter>& lhs, |
| 350 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 351 | |
| 352 | template <class BiIter> |
| 353 | bool |
| 354 | operator>(const sub_match<BiIter>& lhs, |
| 355 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 356 | |
| 357 | template <class BiIter> |
| 358 | bool |
| 359 | operator>=(const sub_match<BiIter>& lhs, |
| 360 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 361 | |
| 362 | template <class BiIter> |
| 363 | bool |
| 364 | operator<=(const sub_match<BiIter>& lhs, |
| 365 | typename iterator_traits<BiIter>::value_type const* rhs); |
| 366 | |
| 367 | template <class BiIter> |
| 368 | bool |
| 369 | operator==(typename iterator_traits<BiIter>::value_type const& lhs, |
| 370 | const sub_match<BiIter>& rhs); |
| 371 | |
| 372 | template <class BiIter> |
| 373 | bool |
| 374 | operator!=(typename iterator_traits<BiIter>::value_type const& lhs, |
| 375 | const sub_match<BiIter>& rhs); |
| 376 | |
| 377 | template <class BiIter> |
| 378 | bool |
| 379 | operator<(typename iterator_traits<BiIter>::value_type const& lhs, |
| 380 | const sub_match<BiIter>& rhs); |
| 381 | |
| 382 | template <class BiIter> |
| 383 | bool |
| 384 | operator>(typename iterator_traits<BiIter>::value_type const& lhs, |
| 385 | const sub_match<BiIter>& rhs); |
| 386 | |
| 387 | template <class BiIter> |
| 388 | bool |
| 389 | operator>=(typename iterator_traits<BiIter>::value_type const& lhs, |
| 390 | const sub_match<BiIter>& rhs); |
| 391 | |
| 392 | template <class BiIter> |
| 393 | bool |
| 394 | operator<=(typename iterator_traits<BiIter>::value_type const& lhs, |
| 395 | const sub_match<BiIter>& rhs); |
| 396 | |
| 397 | template <class BiIter> |
| 398 | bool |
| 399 | operator==(const sub_match<BiIter>& lhs, |
| 400 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 401 | |
| 402 | template <class BiIter> |
| 403 | bool |
| 404 | operator!=(const sub_match<BiIter>& lhs, |
| 405 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 406 | |
| 407 | template <class BiIter> |
| 408 | bool |
| 409 | operator<(const sub_match<BiIter>& lhs, |
| 410 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 411 | |
| 412 | template <class BiIter> |
| 413 | bool |
| 414 | operator>(const sub_match<BiIter>& lhs, |
| 415 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 416 | |
| 417 | template <class BiIter> |
| 418 | bool |
| 419 | operator>=(const sub_match<BiIter>& lhs, |
| 420 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 421 | |
| 422 | template <class BiIter> |
| 423 | bool |
| 424 | operator<=(const sub_match<BiIter>& lhs, |
| 425 | typename iterator_traits<BiIter>::value_type const& rhs); |
| 426 | |
| 427 | template <class charT, class ST, class BiIter> |
| 428 | basic_ostream<charT, ST>& |
| 429 | operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m); |
| 430 | |
| 431 | template <class BidirectionalIterator, |
| 432 | class Allocator = allocator<sub_match<BidirectionalIterator>>> |
| 433 | class match_results |
| 434 | { |
| 435 | public: |
| 436 | typedef sub_match<BidirectionalIterator> value_type; |
| 437 | typedef const value_type& const_reference; |
| 438 | typedef const_reference reference; |
| 439 | typedef /implementation-defined/ const_iterator; |
| 440 | typedef const_iterator iterator; |
| 441 | typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; |
| 442 | typedef typename allocator_traits<Allocator>::size_type size_type; |
| 443 | typedef Allocator allocator_type; |
| 444 | typedef typename iterator_traits<BidirectionalIterator>::value_type char_type; |
| 445 | typedef basic_string<char_type> string_type; |
| 446 | |
| 447 | // construct/copy/destroy: |
| 448 | explicit match_results(const Allocator& a = Allocator()); |
| 449 | match_results(const match_results& m); |
| 450 | match_results(match_results&& m); |
| 451 | match_results& operator=(const match_results& m); |
| 452 | match_results& operator=(match_results&& m); |
| 453 | ~match_results(); |
| 454 | |
| 455 | // size: |
| 456 | size_type size() const; |
| 457 | size_type max_size() const; |
| 458 | bool empty() const; |
| 459 | |
| 460 | // element access: |
| 461 | difference_type length(size_type sub = 0) const; |
| 462 | difference_type position(size_type sub = 0) const; |
| 463 | string_type str(size_type sub = 0) const; |
| 464 | const_reference operator[](size_type n) const; |
| 465 | |
| 466 | const_reference prefix() const; |
| 467 | const_reference suffix() const; |
| 468 | |
| 469 | const_iterator begin() const; |
| 470 | const_iterator end() const; |
| 471 | const_iterator cbegin() const; |
| 472 | const_iterator cend() const; |
| 473 | |
| 474 | // format: |
| 475 | template <class OutputIter> |
| 476 | OutputIter |
| 477 | format(OutputIter out, const char_type* fmt_first, |
| 478 | const char_type* fmt_last, |
| 479 | regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| 480 | template <class OutputIter, class ST, class SA> |
| 481 | OutputIter |
| 482 | format(OutputIter out, const basic_string<char_type, ST, SA>& fmt, |
| 483 | regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| 484 | template <class ST, class SA> |
| 485 | basic_string<char_type, ST, SA> |
| 486 | format(const basic_string<char_type, ST, SA>& fmt, |
| 487 | regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| 488 | string_type |
| 489 | format(const char_type* fmt, |
| 490 | regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| 491 | |
| 492 | // allocator: |
| 493 | allocator_type get_allocator() const; |
| 494 | |
| 495 | // swap: |
| 496 | void swap(match_results& that); |
| 497 | }; |
| 498 | |
| 499 | typedef match_results<const char*> cmatch; |
| 500 | typedef match_results<const wchar_t*> wcmatch; |
| 501 | typedef match_results<string::const_iterator> smatch; |
| 502 | typedef match_results<wstring::const_iterator> wsmatch; |
| 503 | |
| 504 | template <class BidirectionalIterator, class Allocator> |
| 505 | bool |
| 506 | operator==(const match_results<BidirectionalIterator, Allocator>& m1, |
| 507 | const match_results<BidirectionalIterator, Allocator>& m2); |
| 508 | |
| 509 | template <class BidirectionalIterator, class Allocator> |
| 510 | bool |
| 511 | operator!=(const match_results<BidirectionalIterator, Allocator>& m1, |
| 512 | const match_results<BidirectionalIterator, Allocator>& m2); |
| 513 | |
| 514 | template <class BidirectionalIterator, class Allocator> |
| 515 | void |
| 516 | swap(match_results<BidirectionalIterator, Allocator>& m1, |
| 517 | match_results<BidirectionalIterator, Allocator>& m2); |
| 518 | |
| 519 | template <class BidirectionalIterator, class Allocator, class charT, class traits> |
| 520 | bool |
| 521 | regex_match(BidirectionalIterator first, BidirectionalIterator last, |
| 522 | match_results<BidirectionalIterator, Allocator>& m, |
| 523 | const basic_regex<charT, traits>& e, |
| 524 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 525 | |
| 526 | template <class BidirectionalIterator, class charT, class traits> |
| 527 | bool |
| 528 | regex_match(BidirectionalIterator first, BidirectionalIterator last, |
| 529 | const basic_regex<charT, traits>& e, |
| 530 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 531 | |
| 532 | template <class charT, class Allocator, class traits> |
| 533 | bool |
| 534 | regex_match(const charT* str, match_results<const charT*, Allocator>& m, |
| 535 | const basic_regex<charT, traits>& e, |
| 536 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 537 | |
| 538 | template <class ST, class SA, class Allocator, class charT, class traits> |
| 539 | bool |
| 540 | regex_match(const basic_string<charT, ST, SA>& s, |
| 541 | match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, |
| 542 | const basic_regex<charT, traits>& e, |
| 543 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 544 | |
| 545 | template <class charT, class traits> |
| 546 | bool |
| 547 | regex_match(const charT* str, const basic_regex<charT, traits>& e, |
| 548 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 549 | |
| 550 | template <class ST, class SA, class charT, class traits> |
| 551 | bool |
| 552 | regex_match(const basic_string<charT, ST, SA>& s, |
| 553 | const basic_regex<charT, traits>& e, |
| 554 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 555 | |
| 556 | template <class BidirectionalIterator, class Allocator, class charT, class traits> |
| 557 | bool |
| 558 | regex_search(BidirectionalIterator first, BidirectionalIterator last, |
| 559 | match_results<BidirectionalIterator, Allocator>& m, |
| 560 | const basic_regex<charT, traits>& e, |
| 561 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 562 | |
| 563 | template <class BidirectionalIterator, class charT, class traits> |
| 564 | bool |
| 565 | regex_search(BidirectionalIterator first, BidirectionalIterator last, |
| 566 | const basic_regex<charT, traits>& e, |
| 567 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 568 | |
| 569 | template <class charT, class Allocator, class traits> |
| 570 | bool |
| 571 | regex_search(const charT* str, match_results<const charT*, Allocator>& m, |
| 572 | const basic_regex<charT, traits>& e, |
| 573 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 574 | |
| 575 | template <class charT, class traits> |
| 576 | bool |
| 577 | regex_search(const charT* str, const basic_regex<charT, traits>& e, |
| 578 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 579 | |
| 580 | template <class ST, class SA, class charT, class traits> |
| 581 | bool |
| 582 | regex_search(const basic_string<charT, ST, SA>& s, |
| 583 | const basic_regex<charT, traits>& e, |
| 584 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 585 | |
| 586 | template <class ST, class SA, class Allocator, class charT, class traits> |
| 587 | bool |
| 588 | regex_search(const basic_string<charT, ST, SA>& s, |
| 589 | match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, |
| 590 | const basic_regex<charT, traits>& e, |
| 591 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 592 | |
| 593 | template <class OutputIterator, class BidirectionalIterator, |
| 594 | class traits, class charT, class ST, class SA> |
| 595 | OutputIterator |
| 596 | regex_replace(OutputIterator out, |
| 597 | BidirectionalIterator first, BidirectionalIterator last, |
| 598 | const basic_regex<charT, traits>& e, |
| 599 | const basic_string<charT, ST, SA>& fmt, |
| 600 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 601 | |
| 602 | template <class OutputIterator, class BidirectionalIterator, |
| 603 | class traits, class charT> |
| 604 | OutputIterator |
| 605 | regex_replace(OutputIterator out, |
| 606 | BidirectionalIterator first, BidirectionalIterator last, |
| 607 | const basic_regex<charT, traits>& e, const charT* fmt, |
| 608 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 609 | |
| 610 | template <class traits, class charT, class ST, class SA, class FST, class FSA>> |
| 611 | basic_string<charT, ST, SA> |
| 612 | regex_replace(const basic_string<charT, ST, SA>& s, |
| 613 | const basic_regex<charT, traits>& e, |
| 614 | const basic_string<charT, FST, FSA>& fmt, |
| 615 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 616 | |
| 617 | template <class traits, class charT, class ST, class SA> |
| 618 | basic_string<charT, ST, SA> |
| 619 | regex_replace(const basic_string<charT, ST, SA>& s, |
| 620 | const basic_regex<charT, traits>& e, const charT* fmt, |
| 621 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 622 | |
| 623 | template <class traits, class charT, class ST, class SA> |
| 624 | basic_string<charT> |
| 625 | regex_replace(const charT* s, |
| 626 | const basic_regex<charT, traits>& e, |
| 627 | const basic_string<charT, ST, SA>& fmt, |
| 628 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 629 | |
| 630 | template <class traits, class charT> |
| 631 | basic_string<charT> |
| 632 | regex_replace(const charT* s, |
| 633 | const basic_regex<charT, traits>& e, |
| 634 | const charT* fmt, |
| 635 | regex_constants::match_flag_type flags = regex_constants::match_default); |
| 636 | |
| 637 | template <class BidirectionalIterator, |
| 638 | class charT = typename iterator_traits< BidirectionalIterator>::value_type, |
| 639 | class traits = regex_traits<charT>> |
| 640 | class regex_iterator |
| 641 | { |
| 642 | public: |
| 643 | typedef basic_regex<charT, traits> regex_type; |
| 644 | typedef match_results<BidirectionalIterator> value_type; |
| 645 | typedef ptrdiff_t difference_type; |
| 646 | typedef const value_type* pointer; |
| 647 | typedef const value_type& reference; |
| 648 | typedef forward_iterator_tag iterator_category; |
| 649 | |
| 650 | regex_iterator(); |
| 651 | regex_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| 652 | const regex_type& re, |
| 653 | regex_constants::match_flag_type m = regex_constants::match_default); |
| 654 | regex_iterator(const regex_iterator&); |
| 655 | regex_iterator& operator=(const regex_iterator&); |
| 656 | |
| 657 | bool operator==(const regex_iterator&) const; |
| 658 | bool operator!=(const regex_iterator&) const; |
| 659 | |
| 660 | const value_type& operator*() const; |
| 661 | const value_type* operator->() const; |
| 662 | |
| 663 | regex_iterator& operator++(); |
| 664 | regex_iterator operator++(int); |
| 665 | }; |
| 666 | |
| 667 | typedef regex_iterator<const char*> cregex_iterator; |
| 668 | typedef regex_iterator<const wchar_t*> wcregex_iterator; |
| 669 | typedef regex_iterator<string::const_iterator> sregex_iterator; |
| 670 | typedef regex_iterator<wstring::const_iterator> wsregex_iterator; |
| 671 | |
| 672 | template <class BidirectionalIterator, |
| 673 | class charT = typename iterator_traits< BidirectionalIterator>::value_type, |
| 674 | class traits = regex_traits<charT>> |
| 675 | class regex_token_iterator |
| 676 | { |
| 677 | public: |
| 678 | typedef basic_regex<charT, traits> regex_type; |
| 679 | typedef sub_match<BidirectionalIterator> value_type; |
| 680 | typedef ptrdiff_t difference_type; |
| 681 | typedef const value_type* pointer; |
| 682 | typedef const value_type& reference; |
| 683 | typedef forward_iterator_tag iterator_category; |
| 684 | |
| 685 | regex_token_iterator(); |
| 686 | regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| 687 | const regex_type& re, int submatch = 0, |
| 688 | regex_constants::match_flag_type m = regex_constants::match_default); |
| 689 | regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| 690 | const regex_type& re, const vector<int>& submatches, |
| 691 | regex_constants::match_flag_type m = regex_constants::match_default); |
| 692 | regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| 693 | const regex_type& re, initializer_list<int> submatches, |
| 694 | regex_constants::match_flag_type m = regex_constants::match_default); |
| 695 | template <size_t N> |
| 696 | regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| 697 | const regex_type& re, const int (&submatches)[N], |
| 698 | regex_constants::match_flag_type m = regex_constants::match_default); |
| 699 | regex_token_iterator(const regex_token_iterator&); |
| 700 | regex_token_iterator& operator=(const regex_token_iterator&); |
| 701 | |
| 702 | bool operator==(const regex_token_iterator&) const; |
| 703 | bool operator!=(const regex_token_iterator&) const; |
| 704 | |
| 705 | const value_type& operator*() const; |
| 706 | const value_type* operator->() const; |
| 707 | |
| 708 | regex_token_iterator& operator++(); |
| 709 | regex_token_iterator operator++(int); |
| 710 | }; |
| 711 | |
| 712 | typedef regex_token_iterator<const char*> cregex_token_iterator; |
| 713 | typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; |
| 714 | typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; |
| 715 | typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; |
| 716 | |
| 717 | } // std |
| 718 | */ |
| 719 | |
| 720 | #include <__config> |
| 721 | #include <stdexcept> |
| 722 | #include <__locale> |
Howard Hinnant | 8c2c18d | 2010-06-24 21:28:00 +0000 | [diff] [blame^] | 723 | #include <initializer_list> |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 724 | |
| 725 | #pragma GCC system_header |
| 726 | |
| 727 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 728 | |
| 729 | namespace regex_constants |
| 730 | { |
| 731 | |
| 732 | // syntax_option_type |
| 733 | |
| 734 | enum syntax_option_type |
| 735 | { |
| 736 | icase = 1 << 0, |
| 737 | nosubs = 1 << 1, |
| 738 | optimize = 1 << 2, |
| 739 | collate = 1 << 3, |
| 740 | ECMAScript = 1 << 4, |
| 741 | basic = 1 << 5, |
| 742 | extended = 1 << 6, |
| 743 | awk = 1 << 7, |
| 744 | grep = 1 << 8, |
| 745 | egrep = 1 << 9 |
| 746 | }; |
| 747 | |
| 748 | inline |
| 749 | /*constexpr*/ |
| 750 | syntax_option_type |
| 751 | operator~(syntax_option_type __x) |
| 752 | { |
| 753 | return syntax_option_type(~int(__x)); |
| 754 | } |
| 755 | |
| 756 | inline |
| 757 | /*constexpr*/ |
| 758 | syntax_option_type |
| 759 | operator&(syntax_option_type __x, syntax_option_type __y) |
| 760 | { |
| 761 | return syntax_option_type(int(__x) & int(__y)); |
| 762 | } |
| 763 | |
| 764 | inline |
| 765 | /*constexpr*/ |
| 766 | syntax_option_type |
| 767 | operator|(syntax_option_type __x, syntax_option_type __y) |
| 768 | { |
| 769 | return syntax_option_type(int(__x) | int(__y)); |
| 770 | } |
| 771 | |
| 772 | inline |
| 773 | /*constexpr*/ |
| 774 | syntax_option_type |
| 775 | operator^(syntax_option_type __x, syntax_option_type __y) |
| 776 | { |
| 777 | return syntax_option_type(int(__x) ^ int(__y)); |
| 778 | } |
| 779 | |
| 780 | inline |
| 781 | /*constexpr*/ |
| 782 | syntax_option_type& |
| 783 | operator&=(syntax_option_type& __x, syntax_option_type __y) |
| 784 | { |
| 785 | __x = __x & __y; |
| 786 | return __x; |
| 787 | } |
| 788 | |
| 789 | inline |
| 790 | /*constexpr*/ |
| 791 | syntax_option_type& |
| 792 | operator|=(syntax_option_type& __x, syntax_option_type __y) |
| 793 | { |
| 794 | __x = __x | __y; |
| 795 | return __x; |
| 796 | } |
| 797 | |
| 798 | inline |
| 799 | /*constexpr*/ |
| 800 | syntax_option_type& |
| 801 | operator^=(syntax_option_type& __x, syntax_option_type __y) |
| 802 | { |
| 803 | __x = __x ^ __y; |
| 804 | return __x; |
| 805 | } |
| 806 | |
| 807 | // match_flag_type |
| 808 | |
| 809 | enum match_flag_type |
| 810 | { |
| 811 | match_default = 0, |
| 812 | match_not_bol = 1 << 0, |
| 813 | match_not_eol = 1 << 1, |
| 814 | match_not_bow = 1 << 2, |
| 815 | match_not_eow = 1 << 3, |
| 816 | match_any = 1 << 4, |
| 817 | match_not_null = 1 << 5, |
| 818 | match_continuous = 1 << 6, |
| 819 | match_prev_avail = 1 << 7, |
| 820 | format_default = 0, |
| 821 | format_sed = 1 << 8, |
| 822 | format_no_copy = 1 << 9, |
| 823 | format_first_only = 1 << 10 |
| 824 | }; |
| 825 | |
| 826 | inline |
| 827 | /*constexpr*/ |
| 828 | match_flag_type |
| 829 | operator~(match_flag_type __x) |
| 830 | { |
| 831 | return match_flag_type(~int(__x)); |
| 832 | } |
| 833 | |
| 834 | inline |
| 835 | /*constexpr*/ |
| 836 | match_flag_type |
| 837 | operator&(match_flag_type __x, match_flag_type __y) |
| 838 | { |
| 839 | return match_flag_type(int(__x) & int(__y)); |
| 840 | } |
| 841 | |
| 842 | inline |
| 843 | /*constexpr*/ |
| 844 | match_flag_type |
| 845 | operator|(match_flag_type __x, match_flag_type __y) |
| 846 | { |
| 847 | return match_flag_type(int(__x) | int(__y)); |
| 848 | } |
| 849 | |
| 850 | inline |
| 851 | /*constexpr*/ |
| 852 | match_flag_type |
| 853 | operator^(match_flag_type __x, match_flag_type __y) |
| 854 | { |
| 855 | return match_flag_type(int(__x) ^ int(__y)); |
| 856 | } |
| 857 | |
| 858 | inline |
| 859 | /*constexpr*/ |
| 860 | match_flag_type& |
| 861 | operator&=(match_flag_type& __x, match_flag_type __y) |
| 862 | { |
| 863 | __x = __x & __y; |
| 864 | return __x; |
| 865 | } |
| 866 | |
| 867 | inline |
| 868 | /*constexpr*/ |
| 869 | match_flag_type& |
| 870 | operator|=(match_flag_type& __x, match_flag_type __y) |
| 871 | { |
| 872 | __x = __x | __y; |
| 873 | return __x; |
| 874 | } |
| 875 | |
| 876 | inline |
| 877 | /*constexpr*/ |
| 878 | match_flag_type& |
| 879 | operator^=(match_flag_type& __x, match_flag_type __y) |
| 880 | { |
| 881 | __x = __x ^ __y; |
| 882 | return __x; |
| 883 | } |
| 884 | |
| 885 | enum error_type |
| 886 | { |
| 887 | error_collate = 1, |
| 888 | error_ctype, |
| 889 | error_escape, |
| 890 | error_backref, |
| 891 | error_brack, |
| 892 | error_paren, |
| 893 | error_brace, |
| 894 | error_badbrace, |
| 895 | error_range, |
| 896 | error_space, |
| 897 | error_badrepeat, |
| 898 | error_complexity, |
Howard Hinnant | 8c2c18d | 2010-06-24 21:28:00 +0000 | [diff] [blame^] | 899 | error_stack, |
| 900 | error_temp |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 901 | }; |
| 902 | |
| 903 | } // regex_constants |
| 904 | |
| 905 | class _LIBCPP_EXCEPTION_ABI regex_error |
| 906 | : public runtime_error |
| 907 | { |
| 908 | regex_constants::error_type __code_; |
| 909 | public: |
| 910 | explicit regex_error(regex_constants::error_type __ecode); |
| 911 | virtual ~regex_error() throw(); |
| 912 | regex_constants::error_type code() const {return __code_;} |
| 913 | }; |
| 914 | |
| 915 | template <class _CharT> |
| 916 | struct regex_traits |
| 917 | { |
| 918 | public: |
| 919 | typedef _CharT char_type; |
| 920 | typedef basic_string<char_type> string_type; |
| 921 | typedef locale locale_type; |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 922 | typedef ctype_base::mask char_class_type; |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 923 | |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 924 | static const char_class_type __regex_word = 0x80; |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 925 | private: |
| 926 | locale __loc_; |
| 927 | const ctype<char_type>* __ct_; |
| 928 | const collate<char_type>* __col_; |
| 929 | |
| 930 | public: |
| 931 | regex_traits(); |
| 932 | |
| 933 | static size_t length(const char_type* __p) |
| 934 | {return char_traits<char_type>::length(__p);} |
| 935 | char_type translate(char_type __c) const {return __c;} |
| 936 | char_type translate_nocase(char_type __c) const; |
| 937 | template <class _ForwardIterator> |
| 938 | string_type |
| 939 | transform(_ForwardIterator __f, _ForwardIterator __l) const; |
| 940 | template <class _ForwardIterator> |
| 941 | string_type |
| 942 | transform_primary( _ForwardIterator __f, _ForwardIterator __l) const |
| 943 | {return __transform_primary(__f, __l, char_type());} |
| 944 | template <class _ForwardIterator> |
| 945 | string_type |
| 946 | lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const |
| 947 | {return __lookup_collatename(__f, __l, char_type());} |
| 948 | template <class _ForwardIterator> |
| 949 | char_class_type |
| 950 | lookup_classname(_ForwardIterator __f, _ForwardIterator __l, |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 951 | bool __icase = false) const |
| 952 | {return __lookup_classname(__f, __l, __icase, char_type());} |
| 953 | bool isctype(char_type __c, char_class_type __m) const; |
| 954 | int value(char_type __ch, int __radix) const |
| 955 | {return __value(__ch, __radix);} |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 956 | locale_type imbue(locale_type __l); |
| 957 | locale_type getloc()const {return __loc_;} |
| 958 | |
| 959 | private: |
| 960 | void __init(); |
| 961 | |
| 962 | template <class _ForwardIterator> |
| 963 | string_type |
| 964 | __transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const; |
| 965 | template <class _ForwardIterator> |
| 966 | string_type |
| 967 | __transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; |
| 968 | |
| 969 | template <class _ForwardIterator> |
| 970 | string_type |
| 971 | __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const; |
| 972 | template <class _ForwardIterator> |
| 973 | string_type |
| 974 | __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 975 | |
| 976 | template <class _ForwardIterator> |
| 977 | char_class_type |
| 978 | __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, |
| 979 | bool __icase, char) const; |
| 980 | template <class _ForwardIterator> |
| 981 | char_class_type |
| 982 | __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, |
| 983 | bool __icase, wchar_t) const; |
| 984 | |
| 985 | static int __value(unsigned char __ch, int __radix); |
| 986 | int __value(char __ch, int __radix) const |
| 987 | {return __value(static_cast<unsigned char>(__ch), __radix);} |
| 988 | int __value(wchar_t __ch, int __radix) const; |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 989 | }; |
| 990 | |
| 991 | template <class _CharT> |
| 992 | regex_traits<_CharT>::regex_traits() |
| 993 | { |
| 994 | __init(); |
| 995 | } |
| 996 | |
| 997 | template <class _CharT> |
| 998 | typename regex_traits<_CharT>::char_type |
| 999 | regex_traits<_CharT>::translate_nocase(char_type __c) const |
| 1000 | { |
| 1001 | return __ct_->tolower(__c); |
| 1002 | } |
| 1003 | |
| 1004 | template <class _CharT> |
| 1005 | template <class _ForwardIterator> |
| 1006 | typename regex_traits<_CharT>::string_type |
| 1007 | regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const |
| 1008 | { |
| 1009 | string_type __s(__f, __l); |
| 1010 | return __col_->transform(__s.data(), __s.data() + __s.size()); |
| 1011 | } |
| 1012 | |
| 1013 | template <class _CharT> |
| 1014 | void |
| 1015 | regex_traits<_CharT>::__init() |
| 1016 | { |
| 1017 | __ct_ = &use_facet<ctype<char_type> >(__loc_); |
| 1018 | __col_ = &use_facet<collate<char_type> >(__loc_); |
| 1019 | } |
| 1020 | |
| 1021 | template <class _CharT> |
| 1022 | typename regex_traits<_CharT>::locale_type |
| 1023 | regex_traits<_CharT>::imbue(locale_type __l) |
| 1024 | { |
| 1025 | locale __r = __loc_; |
| 1026 | __loc_ = __l; |
| 1027 | __init(); |
| 1028 | return __r; |
| 1029 | } |
| 1030 | |
| 1031 | // transform_primary is very FreeBSD-specific |
| 1032 | |
| 1033 | template <class _CharT> |
| 1034 | template <class _ForwardIterator> |
| 1035 | typename regex_traits<_CharT>::string_type |
| 1036 | regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, |
| 1037 | _ForwardIterator __l, char) const |
| 1038 | { |
| 1039 | const string_type __s(__f, __l); |
| 1040 | string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); |
| 1041 | switch (__d.size()) |
| 1042 | { |
| 1043 | case 1: |
| 1044 | break; |
| 1045 | case 12: |
| 1046 | __d[11] = __d[3]; |
| 1047 | break; |
| 1048 | default: |
| 1049 | __d.clear(); |
| 1050 | break; |
| 1051 | } |
| 1052 | return __d; |
| 1053 | } |
| 1054 | |
| 1055 | template <class _CharT> |
| 1056 | template <class _ForwardIterator> |
| 1057 | typename regex_traits<_CharT>::string_type |
| 1058 | regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, |
| 1059 | _ForwardIterator __l, wchar_t) const |
| 1060 | { |
| 1061 | const string_type __s(__f, __l); |
| 1062 | string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); |
| 1063 | switch (__d.size()) |
| 1064 | { |
| 1065 | case 1: |
| 1066 | break; |
| 1067 | case 3: |
| 1068 | __d[2] = __d[0]; |
| 1069 | break; |
| 1070 | default: |
| 1071 | __d.clear(); |
| 1072 | break; |
| 1073 | } |
| 1074 | return __d; |
| 1075 | } |
| 1076 | |
| 1077 | // lookup_collatename is very FreeBSD-specific |
| 1078 | |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 1079 | string __get_collation_name(const char* __s); |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 1080 | |
| 1081 | template <class _CharT> |
| 1082 | template <class _ForwardIterator> |
| 1083 | typename regex_traits<_CharT>::string_type |
| 1084 | regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, |
| 1085 | _ForwardIterator __l, char) const |
| 1086 | { |
| 1087 | string_type __s(__f, __l); |
| 1088 | string_type __r; |
| 1089 | if (!__s.empty()) |
| 1090 | { |
| 1091 | __r = __get_collation_name(__s.c_str()); |
| 1092 | if (__r.empty() && __s.size() <= 2) |
| 1093 | { |
| 1094 | __r = __col_->transform(__s.data(), __s.data() + __s.size()); |
| 1095 | if (__r.size() == 1 || __r.size() == 12) |
| 1096 | __r = __s; |
| 1097 | else |
| 1098 | __r.clear(); |
| 1099 | } |
| 1100 | } |
| 1101 | return __r; |
| 1102 | } |
| 1103 | |
| 1104 | template <class _CharT> |
| 1105 | template <class _ForwardIterator> |
| 1106 | typename regex_traits<_CharT>::string_type |
| 1107 | regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, |
| 1108 | _ForwardIterator __l, wchar_t) const |
| 1109 | { |
| 1110 | string_type __s(__f, __l); |
| 1111 | string __n; |
| 1112 | __n.reserve(__s.size()); |
| 1113 | for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); |
| 1114 | __i != __e; ++__i) |
| 1115 | { |
| 1116 | if (static_cast<unsigned>(*__i) >= 127) |
| 1117 | return string_type(); |
| 1118 | __n.push_back(char(*__i)); |
| 1119 | } |
| 1120 | string_type __r; |
| 1121 | if (!__s.empty()) |
| 1122 | { |
| 1123 | __n = __get_collation_name(__n.c_str()); |
| 1124 | if (!__n.empty()) |
| 1125 | __r.assign(__n.begin(), __n.end()); |
| 1126 | else if (__s.size() <= 2) |
| 1127 | { |
| 1128 | __r = __col_->transform(__s.data(), __s.data() + __s.size()); |
| 1129 | if (__r.size() == 1 || __r.size() == 3) |
| 1130 | __r = __s; |
| 1131 | else |
| 1132 | __r.clear(); |
| 1133 | } |
| 1134 | } |
| 1135 | return __r; |
| 1136 | } |
| 1137 | |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 1138 | // lookup_classname |
| 1139 | |
| 1140 | ctype_base::mask __get_classname(const char* __s, bool __icase); |
| 1141 | |
| 1142 | template <class _CharT> |
| 1143 | template <class _ForwardIterator> |
| 1144 | typename regex_traits<_CharT>::char_class_type |
| 1145 | regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, |
| 1146 | _ForwardIterator __l, |
| 1147 | bool __icase, char) const |
| 1148 | { |
| 1149 | string_type __s(__f, __l); |
| 1150 | __ct_->tolower(&__s[0], &__s[0] + __s.size()); |
| 1151 | return __get_classname(__s.c_str(), __icase); |
| 1152 | } |
| 1153 | |
| 1154 | template <class _CharT> |
| 1155 | template <class _ForwardIterator> |
| 1156 | typename regex_traits<_CharT>::char_class_type |
| 1157 | regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, |
| 1158 | _ForwardIterator __l, |
| 1159 | bool __icase, wchar_t) const |
| 1160 | { |
| 1161 | string_type __s(__f, __l); |
| 1162 | __ct_->tolower(&__s[0], &__s[0] + __s.size()); |
| 1163 | string __n; |
| 1164 | __n.reserve(__s.size()); |
| 1165 | for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); |
| 1166 | __i != __e; ++__i) |
| 1167 | { |
| 1168 | if (static_cast<unsigned>(*__i) >= 127) |
| 1169 | return char_class_type(); |
| 1170 | __n.push_back(char(*__i)); |
| 1171 | } |
| 1172 | return __get_classname(__n.c_str(), __icase); |
| 1173 | } |
| 1174 | |
| 1175 | template <class _CharT> |
| 1176 | bool |
| 1177 | regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const |
| 1178 | { |
| 1179 | if (__ct_->is(__m, __c)) |
| 1180 | return true; |
| 1181 | return (__c == '_' && (__m & __regex_word)); |
| 1182 | } |
| 1183 | |
| 1184 | template <class _CharT> |
| 1185 | int |
| 1186 | regex_traits<_CharT>::__value(unsigned char __ch, int __radix) |
| 1187 | { |
| 1188 | if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7' |
| 1189 | return __ch - '0'; |
| 1190 | if (__radix != 8) |
| 1191 | { |
| 1192 | if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9' |
| 1193 | return __ch - '0'; |
| 1194 | if (__radix == 16) |
| 1195 | { |
| 1196 | __ch |= 0x20; // tolower |
| 1197 | if ('a' <= __ch && __ch <= 'f') |
Howard Hinnant | 8c2c18d | 2010-06-24 21:28:00 +0000 | [diff] [blame^] | 1198 | return __ch - ('a' - 10); |
Howard Hinnant | f409d2f | 2010-06-21 21:01:43 +0000 | [diff] [blame] | 1199 | } |
| 1200 | } |
| 1201 | return -1; |
| 1202 | } |
| 1203 | |
| 1204 | template <class _CharT> |
| 1205 | inline |
| 1206 | int |
| 1207 | regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const |
| 1208 | { |
| 1209 | return __value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix); |
| 1210 | } |
| 1211 | |
Howard Hinnant | 8c2c18d | 2010-06-24 21:28:00 +0000 | [diff] [blame^] | 1212 | template <class _CharT, class _Traits = regex_traits<_CharT> > |
| 1213 | class basic_regex |
| 1214 | { |
| 1215 | public: |
| 1216 | // types: |
| 1217 | typedef _CharT value_type; |
| 1218 | typedef regex_constants::syntax_option_type flag_type; |
| 1219 | typedef typename _Traits::locale_type locale_type; |
| 1220 | |
| 1221 | private: |
| 1222 | _Traits __traits_; |
| 1223 | flag_type __flags_; |
| 1224 | unsigned __marked_count_; |
| 1225 | |
| 1226 | public: |
| 1227 | // constants: |
| 1228 | static const/*expr*/ regex_constants::syntax_option_type icase = regex_constants::icase; |
| 1229 | static const/*expr*/ regex_constants::syntax_option_type nosubs = regex_constants::nosubs; |
| 1230 | static const/*expr*/ regex_constants::syntax_option_type optimize = regex_constants::optimize; |
| 1231 | static const/*expr*/ regex_constants::syntax_option_type collate = regex_constants::collate; |
| 1232 | static const/*expr*/ regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; |
| 1233 | static const/*expr*/ regex_constants::syntax_option_type basic = regex_constants::basic; |
| 1234 | static const/*expr*/ regex_constants::syntax_option_type extended = regex_constants::extended; |
| 1235 | static const/*expr*/ regex_constants::syntax_option_type awk = regex_constants::awk; |
| 1236 | static const/*expr*/ regex_constants::syntax_option_type grep = regex_constants::grep; |
| 1237 | static const/*expr*/ regex_constants::syntax_option_type egrep = regex_constants::egrep; |
| 1238 | |
| 1239 | // construct/copy/destroy: |
| 1240 | basic_regex(); |
| 1241 | explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript) |
| 1242 | : __flags_(__f), __marked_count_(0) |
| 1243 | {__parse(__p, __p + __traits_.length(__p));} |
| 1244 | basic_regex(const value_type* __p, size_t __len, flag_type __f) |
| 1245 | : __flags_(__f), __marked_count_(0) |
| 1246 | {__parse(__p, __p + __len);} |
| 1247 | basic_regex(const basic_regex&); |
| 1248 | #ifdef _LIBCPP_MOVE |
| 1249 | basic_regex(basic_regex&&); |
| 1250 | #endif |
| 1251 | template <class _ST, class _SA> |
| 1252 | explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p, |
| 1253 | flag_type __f = regex_constants::ECMAScript) |
| 1254 | : __flags_(__f), __marked_count_(0) |
| 1255 | {__parse(__p.begin(), __p.end());} |
| 1256 | template <class _ForwardIterator> |
| 1257 | basic_regex(_ForwardIterator __first, _ForwardIterator __last, |
| 1258 | flag_type __f = regex_constants::ECMAScript) |
| 1259 | : __flags_(__f), __marked_count_(0) |
| 1260 | {__parse(__first, __last);} |
| 1261 | basic_regex(initializer_list<value_type> __il, |
| 1262 | flag_type __f = regex_constants::ECMAScript) |
| 1263 | : __flags_(__f), __marked_count_(0) |
| 1264 | {__parse(__il.begin(), __il.end());} |
| 1265 | |
| 1266 | ~basic_regex(); |
| 1267 | |
| 1268 | basic_regex& operator=(const basic_regex&); |
| 1269 | #ifdef _LIBCPP_MOVE |
| 1270 | basic_regex& operator=(basic_regex&&); |
| 1271 | #endif |
| 1272 | basic_regex& operator=(const value_type* __p); |
| 1273 | basic_regex& operator=(initializer_list<value_type> __il); |
| 1274 | template <class _ST, class _SA> |
| 1275 | basic_regex& operator=(const basic_string<value_type, _ST, _SA>& __p); |
| 1276 | |
| 1277 | // assign: |
| 1278 | basic_regex& assign(const basic_regex& __that); |
| 1279 | #ifdef _LIBCPP_MOVE |
| 1280 | basic_regex& assign(basic_regex&& __that); |
| 1281 | #endif |
| 1282 | basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript); |
| 1283 | basic_regex& assign(const value_type* __p, size_t __len, flag_type __f); |
| 1284 | template <class _ST, class _SA> |
| 1285 | basic_regex& assign(const basic_string<value_type, _ST, _SA>& __s, |
| 1286 | flag_type __f = regex_constants::ECMAScript); |
| 1287 | template <class _InputIterator> |
| 1288 | basic_regex& assign(_InputIterator __first, _InputIterator __last, |
| 1289 | flag_type __f = regex_constants::ECMAScript); |
| 1290 | basic_regex& assign(initializer_list<value_type> __il, |
| 1291 | flag_type = regex_constants::ECMAScript); |
| 1292 | |
| 1293 | // const operations: |
| 1294 | unsigned mark_count() const {return __marked_count_;} |
| 1295 | flag_type flags() const {return __flags_;} |
| 1296 | |
| 1297 | // locale: |
| 1298 | locale_type imbue(locale_type __loc) {return __traits_.imbue(__loc);} |
| 1299 | locale_type getloc() const {return __traits_.getloc();} |
| 1300 | |
| 1301 | // swap: |
| 1302 | void swap(basic_regex&); |
| 1303 | |
| 1304 | private: |
| 1305 | template <class _ForwardIterator> |
| 1306 | void __parse(_ForwardIterator __first, _ForwardIterator __last); |
| 1307 | template <class _ForwardIterator> |
| 1308 | _ForwardIterator |
| 1309 | __parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last); |
| 1310 | template <class _ForwardIterator> |
| 1311 | _ForwardIterator |
| 1312 | __parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last); |
| 1313 | template <class _ForwardIterator> |
| 1314 | _ForwardIterator |
| 1315 | __parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last); |
| 1316 | template <class _ForwardIterator> |
| 1317 | _ForwardIterator |
| 1318 | __parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last); |
| 1319 | template <class _ForwardIterator> |
| 1320 | _ForwardIterator |
| 1321 | __parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last); |
| 1322 | template <class _ForwardIterator> |
| 1323 | _ForwardIterator |
| 1324 | __parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last); |
| 1325 | template <class _ForwardIterator> |
| 1326 | _ForwardIterator |
| 1327 | __parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last); |
| 1328 | template <class _ForwardIterator> |
| 1329 | _ForwardIterator |
| 1330 | __parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last); |
| 1331 | template <class _ForwardIterator> |
| 1332 | _ForwardIterator |
| 1333 | __parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last); |
| 1334 | template <class _ForwardIterator> |
| 1335 | _ForwardIterator |
| 1336 | __parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last); |
| 1337 | template <class _ForwardIterator> |
| 1338 | _ForwardIterator |
| 1339 | __parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last); |
| 1340 | template <class _ForwardIterator> |
| 1341 | _ForwardIterator |
| 1342 | __parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last); |
| 1343 | template <class _ForwardIterator> |
| 1344 | _ForwardIterator |
| 1345 | __parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last); |
| 1346 | |
| 1347 | void __push_l_anchor(); |
| 1348 | void __push_r_anchor(); |
| 1349 | void __push_match_any(); |
| 1350 | void __push_greedy_inf_repeat(int __min); |
| 1351 | void __push_exact_repeat(int __count); |
| 1352 | void __push_repeat(int __min, int __max); |
| 1353 | }; |
| 1354 | |
| 1355 | template <class _CharT, class _Traits> |
| 1356 | inline |
| 1357 | basic_regex<_CharT, _Traits>::basic_regex() |
| 1358 | : __traits_(), __flags_(), __marked_count_(0) |
| 1359 | { |
| 1360 | } |
| 1361 | |
| 1362 | template <class _CharT, class _Traits> |
| 1363 | basic_regex<_CharT, _Traits>::~basic_regex() |
| 1364 | { |
| 1365 | } |
| 1366 | |
| 1367 | template <class _CharT, class _Traits> |
| 1368 | template <class _ForwardIterator> |
| 1369 | void |
| 1370 | basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first, |
| 1371 | _ForwardIterator __last) |
| 1372 | { |
| 1373 | switch (__flags_ & 0x3F0) |
| 1374 | { |
| 1375 | case ECMAScript: |
| 1376 | break; |
| 1377 | case basic: |
| 1378 | __parse_basic_reg_exp(__first, __last); |
| 1379 | break; |
| 1380 | case extended: |
| 1381 | break; |
| 1382 | case awk: |
| 1383 | break; |
| 1384 | case grep: |
| 1385 | break; |
| 1386 | case egrep: |
| 1387 | break; |
| 1388 | default: |
| 1389 | throw regex_error(regex_constants::error_temp); |
| 1390 | } |
| 1391 | } |
| 1392 | |
| 1393 | template <class _CharT, class _Traits> |
| 1394 | template <class _ForwardIterator> |
| 1395 | _ForwardIterator |
| 1396 | basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first, |
| 1397 | _ForwardIterator __last) |
| 1398 | { |
| 1399 | if (__first != __last) |
| 1400 | { |
| 1401 | if (*__first == '^') |
| 1402 | { |
| 1403 | __push_l_anchor(); |
| 1404 | ++__first; |
| 1405 | } |
| 1406 | if (__first != __last) |
| 1407 | { |
| 1408 | __first = __parse_RE_expression(__first, __last); |
| 1409 | if (__first != __last) |
| 1410 | { |
| 1411 | _ForwardIterator __temp = next(__first); |
| 1412 | if (__temp == __last && *__first == '$') |
| 1413 | { |
| 1414 | __push_r_anchor(); |
| 1415 | ++__first; |
| 1416 | } |
| 1417 | } |
| 1418 | } |
| 1419 | if (__first != __last) |
| 1420 | throw regex_error(regex_constants::error_temp); |
| 1421 | } |
| 1422 | return __first; |
| 1423 | } |
| 1424 | |
| 1425 | template <class _CharT, class _Traits> |
| 1426 | template <class _ForwardIterator> |
| 1427 | _ForwardIterator |
| 1428 | basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first, |
| 1429 | _ForwardIterator __last) |
| 1430 | { |
| 1431 | while (true) |
| 1432 | { |
| 1433 | _ForwardIterator __temp = __parse_simple_RE(__first, __last); |
| 1434 | if (__temp == __first) |
| 1435 | break; |
| 1436 | __first = __temp; |
| 1437 | } |
| 1438 | return __first; |
| 1439 | } |
| 1440 | |
| 1441 | template <class _CharT, class _Traits> |
| 1442 | template <class _ForwardIterator> |
| 1443 | _ForwardIterator |
| 1444 | basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first, |
| 1445 | _ForwardIterator __last) |
| 1446 | { |
| 1447 | if (__first != __last) |
| 1448 | { |
| 1449 | _ForwardIterator __temp = __parse_nondupl_RE(__first, __last); |
| 1450 | if (__temp != __first) |
| 1451 | { |
| 1452 | __first = __temp; |
| 1453 | __first = __parse_RE_dupl_symbol(__first, __last); |
| 1454 | } |
| 1455 | } |
| 1456 | return __first; |
| 1457 | } |
| 1458 | |
| 1459 | template <class _CharT, class _Traits> |
| 1460 | template <class _ForwardIterator> |
| 1461 | _ForwardIterator |
| 1462 | basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first, |
| 1463 | _ForwardIterator __last) |
| 1464 | { |
| 1465 | _ForwardIterator __temp = __first; |
| 1466 | __first = __parse_one_char_or_coll_elem_RE(__first, __last); |
| 1467 | if (__temp == __first) |
| 1468 | { |
| 1469 | __temp = __parse_Back_open_paren(__first, __last); |
| 1470 | if (__temp != __first) |
| 1471 | { |
| 1472 | __first = __parse_RE_expression(__temp, __last); |
| 1473 | __temp = __parse_Back_close_paren(__first, __last); |
| 1474 | if (__temp == __first) |
| 1475 | throw regex_error(regex_constants::error_paren); |
| 1476 | __first = __temp; |
| 1477 | ++__marked_count_; |
| 1478 | } |
| 1479 | else |
| 1480 | __first = __parse_BACKREF(__first, __last); |
| 1481 | } |
| 1482 | return __first; |
| 1483 | } |
| 1484 | |
| 1485 | template <class _CharT, class _Traits> |
| 1486 | template <class _ForwardIterator> |
| 1487 | _ForwardIterator |
| 1488 | basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE( |
| 1489 | _ForwardIterator __first, |
| 1490 | _ForwardIterator __last) |
| 1491 | { |
| 1492 | _ForwardIterator __temp = __first; |
| 1493 | __first = __parse_ORD_CHAR(__first, __last); |
| 1494 | if (__temp == __first) |
| 1495 | { |
| 1496 | __first = __parse_QUOTED_CHAR(__first, __last); |
| 1497 | if (__temp == __first) |
| 1498 | { |
| 1499 | if (__first != __last && *__first == '.') |
| 1500 | { |
| 1501 | __push_match_any(); |
| 1502 | ++__first; |
| 1503 | } |
| 1504 | else |
| 1505 | __first = __parse_bracket_expression(__first, __last); |
| 1506 | } |
| 1507 | } |
| 1508 | return __first; |
| 1509 | } |
| 1510 | |
| 1511 | template <class _CharT, class _Traits> |
| 1512 | template <class _ForwardIterator> |
| 1513 | _ForwardIterator |
| 1514 | basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first, |
| 1515 | _ForwardIterator __last) |
| 1516 | { |
| 1517 | if (__first != __last) |
| 1518 | { |
| 1519 | _ForwardIterator __temp = next(__first); |
| 1520 | if (__temp != __last) |
| 1521 | { |
| 1522 | if (*__first == '\\' && *__temp == '(') |
| 1523 | __first = ++__temp; |
| 1524 | } |
| 1525 | } |
| 1526 | return __first; |
| 1527 | } |
| 1528 | |
| 1529 | template <class _CharT, class _Traits> |
| 1530 | template <class _ForwardIterator> |
| 1531 | _ForwardIterator |
| 1532 | basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first, |
| 1533 | _ForwardIterator __last) |
| 1534 | { |
| 1535 | if (__first != __last) |
| 1536 | { |
| 1537 | _ForwardIterator __temp = next(__first); |
| 1538 | if (__temp != __last) |
| 1539 | { |
| 1540 | if (*__first == '\\' && *__temp == ')') |
| 1541 | __first = ++__temp; |
| 1542 | } |
| 1543 | } |
| 1544 | return __first; |
| 1545 | } |
| 1546 | |
| 1547 | template <class _CharT, class _Traits> |
| 1548 | template <class _ForwardIterator> |
| 1549 | _ForwardIterator |
| 1550 | basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first, |
| 1551 | _ForwardIterator __last) |
| 1552 | { |
| 1553 | if (__first != __last) |
| 1554 | { |
| 1555 | _ForwardIterator __temp = next(__first); |
| 1556 | if (__temp != __last) |
| 1557 | { |
| 1558 | if (*__first == '\\' && *__temp == '{') |
| 1559 | __first = ++__temp; |
| 1560 | } |
| 1561 | } |
| 1562 | return __first; |
| 1563 | } |
| 1564 | |
| 1565 | template <class _CharT, class _Traits> |
| 1566 | template <class _ForwardIterator> |
| 1567 | _ForwardIterator |
| 1568 | basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first, |
| 1569 | _ForwardIterator __last) |
| 1570 | { |
| 1571 | if (__first != __last) |
| 1572 | { |
| 1573 | _ForwardIterator __temp = next(__first); |
| 1574 | if (__temp != __last) |
| 1575 | { |
| 1576 | if (*__first == '\\' && *__temp == '}') |
| 1577 | __first = ++__temp; |
| 1578 | } |
| 1579 | } |
| 1580 | return __first; |
| 1581 | } |
| 1582 | |
| 1583 | template <class _CharT, class _Traits> |
| 1584 | template <class _ForwardIterator> |
| 1585 | _ForwardIterator |
| 1586 | basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first, |
| 1587 | _ForwardIterator __last) |
| 1588 | { |
| 1589 | if (__first != __last) |
| 1590 | { |
| 1591 | _ForwardIterator __temp = next(__first); |
| 1592 | if (__temp != __last) |
| 1593 | { |
| 1594 | if (*__first == '\\' && '1' <= *__temp && *__temp <= '9') |
| 1595 | { |
| 1596 | __push_back_ref(*__temp - '0'); |
| 1597 | __first = ++__temp; |
| 1598 | } |
| 1599 | } |
| 1600 | } |
| 1601 | return __first; |
| 1602 | } |
| 1603 | |
| 1604 | template <class _CharT, class _Traits> |
| 1605 | template <class _ForwardIterator> |
| 1606 | _ForwardIterator |
| 1607 | basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first, |
| 1608 | _ForwardIterator __last) |
| 1609 | { |
| 1610 | if (__first != __last) |
| 1611 | { |
| 1612 | _ForwardIterator __temp = next(__first); |
| 1613 | if (__temp == __last && *__first == '$') |
| 1614 | return __first; |
| 1615 | // Not called inside a bracket |
| 1616 | if (*__first == '.' || *__first == '\\' || *__first == '[') |
| 1617 | return __first; |
| 1618 | __push_ord_char(*__first); |
| 1619 | ++__first; |
| 1620 | } |
| 1621 | return __first; |
| 1622 | } |
| 1623 | |
| 1624 | template <class _CharT, class _Traits> |
| 1625 | template <class _ForwardIterator> |
| 1626 | _ForwardIterator |
| 1627 | basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first, |
| 1628 | _ForwardIterator __last) |
| 1629 | { |
| 1630 | if (__first != __last) |
| 1631 | { |
| 1632 | _ForwardIterator __temp = next(__first); |
| 1633 | if (__temp != __last) |
| 1634 | { |
| 1635 | if (*__first == '\\') |
| 1636 | { |
| 1637 | switch (*__temp) |
| 1638 | { |
| 1639 | case '^': |
| 1640 | case '.': |
| 1641 | case '*': |
| 1642 | case '[': |
| 1643 | case '$': |
| 1644 | case '\\': |
| 1645 | __push_ord_char(*__temp); |
| 1646 | __first = ++__temp; |
| 1647 | break; |
| 1648 | } |
| 1649 | } |
| 1650 | } |
| 1651 | } |
| 1652 | return __first; |
| 1653 | } |
| 1654 | |
| 1655 | template <class _CharT, class _Traits> |
| 1656 | template <class _ForwardIterator> |
| 1657 | _ForwardIterator |
| 1658 | basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first, |
| 1659 | _ForwardIterator __last) |
| 1660 | { |
| 1661 | if (__first != __last) |
| 1662 | { |
| 1663 | if (__first == '*') |
| 1664 | { |
| 1665 | __push_greedy_inf_repeat(0); |
| 1666 | ++__first; |
| 1667 | } |
| 1668 | else |
| 1669 | { |
| 1670 | _ForwardIterator __temp = __parse_Back_open_brace(__first, __last); |
| 1671 | if (__temp != __first) |
| 1672 | { |
| 1673 | int __min = 0; |
| 1674 | __first = __temp; |
| 1675 | __temp = __parse_DUP_COUNT(__first, __last, __min); |
| 1676 | if (__temp == __first) |
| 1677 | throw regex_error(regex_constants::error_badbrace); |
| 1678 | __first = __temp; |
| 1679 | if (__first == __last) |
| 1680 | throw regex_error(regex_constants::error_brace); |
| 1681 | if (*__first != ',') |
| 1682 | { |
| 1683 | __temp = __parse_Back_close_brace(__first, __last); |
| 1684 | if (__temp == __first) |
| 1685 | throw regex_error(regex_constants::error_brace); |
| 1686 | __push_exact_repeat(__min); |
| 1687 | __first = __temp; |
| 1688 | } |
| 1689 | else |
| 1690 | { |
| 1691 | ++__first; // consume ',' |
| 1692 | int __max = -1; |
| 1693 | __first = __parse_DUP_COUNT(__first, __last, __max); |
| 1694 | __temp = __parse_Back_close_brace(__first, __last); |
| 1695 | if (__temp == __first) |
| 1696 | throw regex_error(regex_constants::error_brace); |
| 1697 | if (__max == -1) |
| 1698 | __push_greedy_inf_repeat(__min); |
| 1699 | else |
| 1700 | { |
| 1701 | if (__max < __min) |
| 1702 | throw regex_error(regex_constants::error_badbrace); |
| 1703 | __push_repeat(__min, __max); |
| 1704 | } |
| 1705 | __first = __temp; |
| 1706 | } |
| 1707 | } |
| 1708 | } |
| 1709 | } |
| 1710 | return __first; |
| 1711 | } |
| 1712 | |
| 1713 | typedef basic_regex<char> regex; |
| 1714 | typedef basic_regex<wchar_t> wregex; |
| 1715 | |
Howard Hinnant | 3257c98 | 2010-06-17 00:34:59 +0000 | [diff] [blame] | 1716 | _LIBCPP_END_NAMESPACE_STD |
| 1717 | |
| 1718 | #endif // _LIBCPP_REGEX |