1*38fd1498Szrj// class template regex -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj// Copyright (C) 2007-2018 Free Software Foundation, Inc. 4*38fd1498Szrj// 5*38fd1498Szrj// This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj// software; you can redistribute it and/or modify it under the 7*38fd1498Szrj// terms of the GNU General Public License as published by the 8*38fd1498Szrj// Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj// any later version. 10*38fd1498Szrj 11*38fd1498Szrj// This library is distributed in the hope that it will be useful, 12*38fd1498Szrj// but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj// GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj// Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj// permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj// 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj// You should have received a copy of the GNU General Public License and 21*38fd1498Szrj// a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj// <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj/** 26*38fd1498Szrj * @file tr1/regex 27*38fd1498Szrj * @author Stephen M. Webb <stephen.webb@bregmasoft.ca> 28*38fd1498Szrj * This is a TR1 C++ Library header. 29*38fd1498Szrj */ 30*38fd1498Szrj 31*38fd1498Szrj#ifndef _GLIBCXX_TR1_REGEX 32*38fd1498Szrj#define _GLIBCXX_TR1_REGEX 1 33*38fd1498Szrj 34*38fd1498Szrj#pragma GCC system_header 35*38fd1498Szrj 36*38fd1498Szrj#include <algorithm> 37*38fd1498Szrj#include <bitset> 38*38fd1498Szrj#include <iterator> 39*38fd1498Szrj#include <locale> 40*38fd1498Szrj#include <stdexcept> 41*38fd1498Szrj#include <string> 42*38fd1498Szrj#include <vector> 43*38fd1498Szrj#include <utility> 44*38fd1498Szrj#include <sstream> 45*38fd1498Szrj 46*38fd1498Szrjnamespace std _GLIBCXX_VISIBILITY(default) 47*38fd1498Szrj{ 48*38fd1498Szrj_GLIBCXX_BEGIN_NAMESPACE_VERSION 49*38fd1498Szrj 50*38fd1498Szrjnamespace tr1 51*38fd1498Szrj{ 52*38fd1498Szrj/** 53*38fd1498Szrj * @defgroup tr1_regex Regular Expressions 54*38fd1498Szrj * A facility for performing regular expression pattern matching. 55*38fd1498Szrj */ 56*38fd1498Szrj //@{ 57*38fd1498Szrj 58*38fd1498Szrj/** @namespace std::regex_constants 59*38fd1498Szrj * @brief ISO C++ 0x entities sub namespace for regex. 60*38fd1498Szrj */ 61*38fd1498Szrjnamespace regex_constants 62*38fd1498Szrj{ 63*38fd1498Szrj /** 64*38fd1498Szrj * @name 5.1 Regular Expression Syntax Options 65*38fd1498Szrj */ 66*38fd1498Szrj //@{ 67*38fd1498Szrj enum __syntax_option 68*38fd1498Szrj { 69*38fd1498Szrj _S_icase, 70*38fd1498Szrj _S_nosubs, 71*38fd1498Szrj _S_optimize, 72*38fd1498Szrj _S_collate, 73*38fd1498Szrj _S_ECMAScript, 74*38fd1498Szrj _S_basic, 75*38fd1498Szrj _S_extended, 76*38fd1498Szrj _S_awk, 77*38fd1498Szrj _S_grep, 78*38fd1498Szrj _S_egrep, 79*38fd1498Szrj _S_syntax_last 80*38fd1498Szrj }; 81*38fd1498Szrj 82*38fd1498Szrj /** 83*38fd1498Szrj * @brief This is a bitmask type indicating how to interpret the regex. 84*38fd1498Szrj * 85*38fd1498Szrj * The @c syntax_option_type is implementation defined but it is valid to 86*38fd1498Szrj * perform bitwise operations on these values and expect the right thing to 87*38fd1498Szrj * happen. 88*38fd1498Szrj * 89*38fd1498Szrj * A valid value of type syntax_option_type shall have exactly one of the 90*38fd1498Szrj * elements @c ECMAScript, @c basic, @c extended, @c awk, @c grep, @c egrep 91*38fd1498Szrj * %set. 92*38fd1498Szrj */ 93*38fd1498Szrj typedef unsigned int syntax_option_type; 94*38fd1498Szrj 95*38fd1498Szrj /** 96*38fd1498Szrj * Specifies that the matching of regular expressions against a character 97*38fd1498Szrj * sequence shall be performed without regard to case. 98*38fd1498Szrj */ 99*38fd1498Szrj static const syntax_option_type icase = 1 << _S_icase; 100*38fd1498Szrj 101*38fd1498Szrj /** 102*38fd1498Szrj * Specifies that when a regular expression is matched against a character 103*38fd1498Szrj * container sequence, no sub-expression matches are to be stored in the 104*38fd1498Szrj * supplied match_results structure. 105*38fd1498Szrj */ 106*38fd1498Szrj static const syntax_option_type nosubs = 1 << _S_nosubs; 107*38fd1498Szrj 108*38fd1498Szrj /** 109*38fd1498Szrj * Specifies that the regular expression engine should pay more attention to 110*38fd1498Szrj * the speed with which regular expressions are matched, and less to the 111*38fd1498Szrj * speed with which regular expression objects are constructed. Otherwise 112*38fd1498Szrj * it has no detectable effect on the program output. 113*38fd1498Szrj */ 114*38fd1498Szrj static const syntax_option_type optimize = 1 << _S_optimize; 115*38fd1498Szrj 116*38fd1498Szrj /** 117*38fd1498Szrj * Specifies that character ranges of the form [a-b] should be locale 118*38fd1498Szrj * sensitive. 119*38fd1498Szrj */ 120*38fd1498Szrj static const syntax_option_type collate = 1 << _S_collate; 121*38fd1498Szrj 122*38fd1498Szrj /** 123*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 124*38fd1498Szrj * that used by ECMAScript in ECMA-262 [Ecma International, ECMAScript 125*38fd1498Szrj * Language Specification, Standard Ecma-262, third edition, 1999], as 126*38fd1498Szrj * modified in tr1 section [7.13]. This grammar is similar to that defined 127*38fd1498Szrj * in the PERL scripting language but extended with elements found in the 128*38fd1498Szrj * POSIX regular expression grammar. 129*38fd1498Szrj */ 130*38fd1498Szrj static const syntax_option_type ECMAScript = 1 << _S_ECMAScript; 131*38fd1498Szrj 132*38fd1498Szrj /** 133*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 134*38fd1498Szrj * that used by POSIX basic regular expressions in IEEE Std 1003.1-2001, 135*38fd1498Szrj * Portable Operating System Interface (POSIX), Base Definitions and 136*38fd1498Szrj * Headers, Section 9, Regular Expressions [IEEE, Information Technology -- 137*38fd1498Szrj * Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001]. 138*38fd1498Szrj */ 139*38fd1498Szrj static const syntax_option_type basic = 1 << _S_basic; 140*38fd1498Szrj 141*38fd1498Szrj /** 142*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 143*38fd1498Szrj * that used by POSIX extended regular expressions in IEEE Std 1003.1-2001, 144*38fd1498Szrj * Portable Operating System Interface (POSIX), Base Definitions and Headers, 145*38fd1498Szrj * Section 9, Regular Expressions. 146*38fd1498Szrj */ 147*38fd1498Szrj static const syntax_option_type extended = 1 << _S_extended; 148*38fd1498Szrj 149*38fd1498Szrj /** 150*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 151*38fd1498Szrj * that used by POSIX utility awk in IEEE Std 1003.1-2001. This option is 152*38fd1498Szrj * identical to syntax_option_type extended, except that C-style escape 153*38fd1498Szrj * sequences are supported. These sequences are: 154*38fd1498Szrj * \\\\, \\a, \\b, \\f, 155*38fd1498Szrj * \\n, \\r, \\t , \\v, 156*38fd1498Szrj * \\', ', and \\ddd 157*38fd1498Szrj * (where ddd is one, two, or three octal digits). 158*38fd1498Szrj */ 159*38fd1498Szrj static const syntax_option_type awk = 1 << _S_awk; 160*38fd1498Szrj 161*38fd1498Szrj /** 162*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 163*38fd1498Szrj * that used by POSIX utility grep in IEEE Std 1003.1-2001. This option is 164*38fd1498Szrj * identical to syntax_option_type basic, except that newlines are treated 165*38fd1498Szrj * as whitespace. 166*38fd1498Szrj */ 167*38fd1498Szrj static const syntax_option_type grep = 1 << _S_grep; 168*38fd1498Szrj 169*38fd1498Szrj /** 170*38fd1498Szrj * Specifies that the grammar recognized by the regular expression engine is 171*38fd1498Szrj * that used by POSIX utility grep when given the -E option in 172*38fd1498Szrj * IEEE Std 1003.1-2001. This option is identical to syntax_option_type 173*38fd1498Szrj * extended, except that newlines are treated as whitespace. 174*38fd1498Szrj */ 175*38fd1498Szrj static const syntax_option_type egrep = 1 << _S_egrep; 176*38fd1498Szrj 177*38fd1498Szrj //@} 178*38fd1498Szrj 179*38fd1498Szrj /** 180*38fd1498Szrj * @name 5.2 Matching Rules 181*38fd1498Szrj * 182*38fd1498Szrj * Matching a regular expression against a sequence of characters [first, 183*38fd1498Szrj * last) proceeds according to the rules of the grammar specified for the 184*38fd1498Szrj * regular expression object, modified according to the effects listed 185*38fd1498Szrj * below for any bitmask elements set. 186*38fd1498Szrj * 187*38fd1498Szrj */ 188*38fd1498Szrj //@{ 189*38fd1498Szrj 190*38fd1498Szrj enum __match_flag 191*38fd1498Szrj { 192*38fd1498Szrj _S_not_bol, 193*38fd1498Szrj _S_not_eol, 194*38fd1498Szrj _S_not_bow, 195*38fd1498Szrj _S_not_eow, 196*38fd1498Szrj _S_any, 197*38fd1498Szrj _S_not_null, 198*38fd1498Szrj _S_continuous, 199*38fd1498Szrj _S_prev_avail, 200*38fd1498Szrj _S_sed, 201*38fd1498Szrj _S_no_copy, 202*38fd1498Szrj _S_first_only, 203*38fd1498Szrj _S_match_flag_last 204*38fd1498Szrj }; 205*38fd1498Szrj 206*38fd1498Szrj /** 207*38fd1498Szrj * @brief This is a bitmask type indicating regex matching rules. 208*38fd1498Szrj * 209*38fd1498Szrj * The @c match_flag_type is implementation defined but it is valid to 210*38fd1498Szrj * perform bitwise operations on these values and expect the right thing to 211*38fd1498Szrj * happen. 212*38fd1498Szrj */ 213*38fd1498Szrj typedef std::bitset<_S_match_flag_last> match_flag_type; 214*38fd1498Szrj 215*38fd1498Szrj /** 216*38fd1498Szrj * The default matching rules. 217*38fd1498Szrj */ 218*38fd1498Szrj static const match_flag_type match_default = 0; 219*38fd1498Szrj 220*38fd1498Szrj /** 221*38fd1498Szrj * The first character in the sequence [first, last) is treated as though it 222*38fd1498Szrj * is not at the beginning of a line, so the character (^) in the regular 223*38fd1498Szrj * expression shall not match [first, first). 224*38fd1498Szrj */ 225*38fd1498Szrj static const match_flag_type match_not_bol = 1 << _S_not_bol; 226*38fd1498Szrj 227*38fd1498Szrj /** 228*38fd1498Szrj * The last character in the sequence [first, last) is treated as though it 229*38fd1498Szrj * is not at the end of a line, so the character ($) in the regular 230*38fd1498Szrj * expression shall not match [last, last). 231*38fd1498Szrj */ 232*38fd1498Szrj static const match_flag_type match_not_eol = 1 << _S_not_eol; 233*38fd1498Szrj 234*38fd1498Szrj /** 235*38fd1498Szrj * The expression \\b is not matched against the sub-sequence 236*38fd1498Szrj * [first,first). 237*38fd1498Szrj */ 238*38fd1498Szrj static const match_flag_type match_not_bow = 1 << _S_not_bow; 239*38fd1498Szrj 240*38fd1498Szrj /** 241*38fd1498Szrj * The expression \\b should not be matched against the sub-sequence 242*38fd1498Szrj * [last,last). 243*38fd1498Szrj */ 244*38fd1498Szrj static const match_flag_type match_not_eow = 1 << _S_not_eow; 245*38fd1498Szrj 246*38fd1498Szrj /** 247*38fd1498Szrj * If more than one match is possible then any match is an acceptable 248*38fd1498Szrj * result. 249*38fd1498Szrj */ 250*38fd1498Szrj static const match_flag_type match_any = 1 << _S_any; 251*38fd1498Szrj 252*38fd1498Szrj /** 253*38fd1498Szrj * The expression does not match an empty sequence. 254*38fd1498Szrj */ 255*38fd1498Szrj static const match_flag_type match_not_null = 1 << _S_not_null; 256*38fd1498Szrj 257*38fd1498Szrj /** 258*38fd1498Szrj * The expression only matches a sub-sequence that begins at first . 259*38fd1498Szrj */ 260*38fd1498Szrj static const match_flag_type match_continuous = 1 << _S_continuous; 261*38fd1498Szrj 262*38fd1498Szrj /** 263*38fd1498Szrj * --first is a valid iterator position. When this flag is set then the 264*38fd1498Szrj * flags match_not_bol and match_not_bow are ignored by the regular 265*38fd1498Szrj * expression algorithms 7.11 and iterators 7.12. 266*38fd1498Szrj */ 267*38fd1498Szrj static const match_flag_type match_prev_avail = 1 << _S_prev_avail; 268*38fd1498Szrj 269*38fd1498Szrj /** 270*38fd1498Szrj * When a regular expression match is to be replaced by a new string, the 271*38fd1498Szrj * new string is constructed using the rules used by the ECMAScript replace 272*38fd1498Szrj * function in ECMA- 262 [Ecma International, ECMAScript Language 273*38fd1498Szrj * Specification, Standard Ecma-262, third edition, 1999], part 15.5.4.11 274*38fd1498Szrj * String.prototype.replace. In addition, during search and replace 275*38fd1498Szrj * operations all non-overlapping occurrences of the regular expression 276*38fd1498Szrj * are located and replaced, and sections of the input that did not match 277*38fd1498Szrj * the expression are copied unchanged to the output string. 278*38fd1498Szrj * 279*38fd1498Szrj * Format strings (from ECMA-262 [15.5.4.11]): 280*38fd1498Szrj * @li $$ The dollar-sign itself ($) 281*38fd1498Szrj * @li $& The matched substring. 282*38fd1498Szrj * @li $` The portion of @a string that precedes the matched substring. 283*38fd1498Szrj * This would be match_results::prefix(). 284*38fd1498Szrj * @li $' The portion of @a string that follows the matched substring. 285*38fd1498Szrj * This would be match_results::suffix(). 286*38fd1498Szrj * @li $n The nth capture, where n is in [1,9] and $n is not followed by a 287*38fd1498Szrj * decimal digit. If n <= match_results::size() and the nth capture 288*38fd1498Szrj * is undefined, use the empty string instead. If n > 289*38fd1498Szrj * match_results::size(), the result is implementation-defined. 290*38fd1498Szrj * @li $nn The nnth capture, where nn is a two-digit decimal number on 291*38fd1498Szrj * [01, 99]. If nn <= match_results::size() and the nth capture is 292*38fd1498Szrj * undefined, use the empty string instead. If 293*38fd1498Szrj * nn > match_results::size(), the result is implementation-defined. 294*38fd1498Szrj */ 295*38fd1498Szrj static const match_flag_type format_default = 0; 296*38fd1498Szrj 297*38fd1498Szrj /** 298*38fd1498Szrj * When a regular expression match is to be replaced by a new string, the 299*38fd1498Szrj * new string is constructed using the rules used by the POSIX sed utility 300*38fd1498Szrj * in IEEE Std 1003.1- 2001 [IEEE, Information Technology -- Portable 301*38fd1498Szrj * Operating System Interface (POSIX), IEEE Standard 1003.1-2001]. 302*38fd1498Szrj */ 303*38fd1498Szrj static const match_flag_type format_sed = 1 << _S_sed; 304*38fd1498Szrj 305*38fd1498Szrj /** 306*38fd1498Szrj * During a search and replace operation, sections of the character 307*38fd1498Szrj * container sequence being searched that do not match the regular 308*38fd1498Szrj * expression shall not be copied to the output string. 309*38fd1498Szrj */ 310*38fd1498Szrj static const match_flag_type format_no_copy = 1 << _S_no_copy; 311*38fd1498Szrj 312*38fd1498Szrj /** 313*38fd1498Szrj * When specified during a search and replace operation, only the first 314*38fd1498Szrj * occurrence of the regular expression shall be replaced. 315*38fd1498Szrj */ 316*38fd1498Szrj static const match_flag_type format_first_only = 1 << _S_first_only; 317*38fd1498Szrj 318*38fd1498Szrj //@} 319*38fd1498Szrj 320*38fd1498Szrj /** 321*38fd1498Szrj * @name 5.3 Error Types 322*38fd1498Szrj */ 323*38fd1498Szrj //@{ 324*38fd1498Szrj 325*38fd1498Szrj enum error_type 326*38fd1498Szrj { 327*38fd1498Szrj _S_error_collate, 328*38fd1498Szrj _S_error_ctype, 329*38fd1498Szrj _S_error_escape, 330*38fd1498Szrj _S_error_backref, 331*38fd1498Szrj _S_error_brack, 332*38fd1498Szrj _S_error_paren, 333*38fd1498Szrj _S_error_brace, 334*38fd1498Szrj _S_error_badbrace, 335*38fd1498Szrj _S_error_range, 336*38fd1498Szrj _S_error_space, 337*38fd1498Szrj _S_error_badrepeat, 338*38fd1498Szrj _S_error_complexity, 339*38fd1498Szrj _S_error_stack, 340*38fd1498Szrj _S_error_last 341*38fd1498Szrj }; 342*38fd1498Szrj 343*38fd1498Szrj /** The expression contained an invalid collating element name. */ 344*38fd1498Szrj static const error_type error_collate(_S_error_collate); 345*38fd1498Szrj 346*38fd1498Szrj /** The expression contained an invalid character class name. */ 347*38fd1498Szrj static const error_type error_ctype(_S_error_ctype); 348*38fd1498Szrj 349*38fd1498Szrj /** 350*38fd1498Szrj * The expression contained an invalid escaped character, or a trailing 351*38fd1498Szrj * escape. 352*38fd1498Szrj */ 353*38fd1498Szrj static const error_type error_escape(_S_error_escape); 354*38fd1498Szrj 355*38fd1498Szrj /** The expression contained an invalid back reference. */ 356*38fd1498Szrj static const error_type error_backref(_S_error_backref); 357*38fd1498Szrj 358*38fd1498Szrj /** The expression contained mismatched [ and ]. */ 359*38fd1498Szrj static const error_type error_brack(_S_error_brack); 360*38fd1498Szrj 361*38fd1498Szrj /** The expression contained mismatched ( and ). */ 362*38fd1498Szrj static const error_type error_paren(_S_error_paren); 363*38fd1498Szrj 364*38fd1498Szrj /** The expression contained mismatched { and } */ 365*38fd1498Szrj static const error_type error_brace(_S_error_brace); 366*38fd1498Szrj 367*38fd1498Szrj /** The expression contained an invalid range in a {} expression. */ 368*38fd1498Szrj static const error_type error_badbrace(_S_error_badbrace); 369*38fd1498Szrj 370*38fd1498Szrj /** 371*38fd1498Szrj * The expression contained an invalid character range, 372*38fd1498Szrj * such as [b-a] in most encodings. 373*38fd1498Szrj */ 374*38fd1498Szrj static const error_type error_range(_S_error_range); 375*38fd1498Szrj 376*38fd1498Szrj /** 377*38fd1498Szrj * There was insufficient memory to convert the expression into a 378*38fd1498Szrj * finite state machine. 379*38fd1498Szrj */ 380*38fd1498Szrj static const error_type error_space(_S_error_space); 381*38fd1498Szrj 382*38fd1498Szrj /** 383*38fd1498Szrj * One of <em>*?+{</em> was not preceded by a valid regular expression. 384*38fd1498Szrj */ 385*38fd1498Szrj static const error_type error_badrepeat(_S_error_badrepeat); 386*38fd1498Szrj 387*38fd1498Szrj /** 388*38fd1498Szrj * The complexity of an attempted match against a regular expression 389*38fd1498Szrj * exceeded a pre-set level. 390*38fd1498Szrj */ 391*38fd1498Szrj static const error_type error_complexity(_S_error_complexity); 392*38fd1498Szrj 393*38fd1498Szrj /** 394*38fd1498Szrj * There was insufficient memory to determine whether the 395*38fd1498Szrj * regular expression could match the specified character sequence. 396*38fd1498Szrj */ 397*38fd1498Szrj static const error_type error_stack(_S_error_stack); 398*38fd1498Szrj 399*38fd1498Szrj //@} 400*38fd1498Szrj} 401*38fd1498Szrj 402*38fd1498Szrj // [7.8] Class regex_error 403*38fd1498Szrj /** 404*38fd1498Szrj * @brief A regular expression exception class. 405*38fd1498Szrj * @ingroup exceptions 406*38fd1498Szrj * 407*38fd1498Szrj * The regular expression library throws objects of this class on error. 408*38fd1498Szrj */ 409*38fd1498Szrj class regex_error 410*38fd1498Szrj : public std::runtime_error 411*38fd1498Szrj { 412*38fd1498Szrj public: 413*38fd1498Szrj /** 414*38fd1498Szrj * @brief Constructs a regex_error object. 415*38fd1498Szrj * 416*38fd1498Szrj * @param ecode the regex error code. 417*38fd1498Szrj */ 418*38fd1498Szrj explicit 419*38fd1498Szrj regex_error(regex_constants::error_type __ecode) 420*38fd1498Szrj : std::runtime_error("regex_error"), _M_code(__ecode) 421*38fd1498Szrj { } 422*38fd1498Szrj 423*38fd1498Szrj /** 424*38fd1498Szrj * @brief Gets the regex error code. 425*38fd1498Szrj * 426*38fd1498Szrj * @returns the regex error code. 427*38fd1498Szrj */ 428*38fd1498Szrj regex_constants::error_type 429*38fd1498Szrj code() const 430*38fd1498Szrj { return _M_code; } 431*38fd1498Szrj 432*38fd1498Szrj protected: 433*38fd1498Szrj regex_constants::error_type _M_code; 434*38fd1498Szrj }; 435*38fd1498Szrj 436*38fd1498Szrj // [7.7] Class regex_traits 437*38fd1498Szrj /** 438*38fd1498Szrj * @brief Describes aspects of a regular expression. 439*38fd1498Szrj * 440*38fd1498Szrj * A regular expression traits class that satisfies the requirements of tr1 441*38fd1498Szrj * section [7.2]. 442*38fd1498Szrj * 443*38fd1498Szrj * The class %regex is parameterized around a set of related types and 444*38fd1498Szrj * functions used to complete the definition of its semantics. This class 445*38fd1498Szrj * satisfies the requirements of such a traits class. 446*38fd1498Szrj */ 447*38fd1498Szrj template<typename _Ch_type> 448*38fd1498Szrj struct regex_traits 449*38fd1498Szrj { 450*38fd1498Szrj public: 451*38fd1498Szrj typedef _Ch_type char_type; 452*38fd1498Szrj typedef std::basic_string<char_type> string_type; 453*38fd1498Szrj typedef std::locale locale_type; 454*38fd1498Szrj typedef std::ctype_base::mask char_class_type; 455*38fd1498Szrj 456*38fd1498Szrj public: 457*38fd1498Szrj /** 458*38fd1498Szrj * @brief Constructs a default traits object. 459*38fd1498Szrj */ 460*38fd1498Szrj regex_traits() 461*38fd1498Szrj { } 462*38fd1498Szrj 463*38fd1498Szrj /** 464*38fd1498Szrj * @brief Gives the length of a C-style string starting at @p __p. 465*38fd1498Szrj * 466*38fd1498Szrj * @param __p a pointer to the start of a character sequence. 467*38fd1498Szrj * 468*38fd1498Szrj * @returns the number of characters between @p *__p and the first 469*38fd1498Szrj * default-initialized value of type @p char_type. In other words, uses 470*38fd1498Szrj * the C-string algorithm for determining the length of a sequence of 471*38fd1498Szrj * characters. 472*38fd1498Szrj */ 473*38fd1498Szrj static std::size_t 474*38fd1498Szrj length(const char_type* __p) 475*38fd1498Szrj { return string_type::traits_type::length(__p); } 476*38fd1498Szrj 477*38fd1498Szrj /** 478*38fd1498Szrj * @brief Performs the identity translation. 479*38fd1498Szrj * 480*38fd1498Szrj * @param c A character to the locale-specific character set. 481*38fd1498Szrj * 482*38fd1498Szrj * @returns c. 483*38fd1498Szrj */ 484*38fd1498Szrj char_type 485*38fd1498Szrj translate(char_type __c) const 486*38fd1498Szrj { return __c; } 487*38fd1498Szrj 488*38fd1498Szrj /** 489*38fd1498Szrj * @brief Translates a character into a case-insensitive equivalent. 490*38fd1498Szrj * 491*38fd1498Szrj * @param c A character to the locale-specific character set. 492*38fd1498Szrj * 493*38fd1498Szrj * @returns the locale-specific lower-case equivalent of c. 494*38fd1498Szrj * @throws std::bad_cast if the imbued locale does not support the ctype 495*38fd1498Szrj * facet. 496*38fd1498Szrj */ 497*38fd1498Szrj char_type 498*38fd1498Szrj translate_nocase(char_type __c) const 499*38fd1498Szrj { 500*38fd1498Szrj using std::ctype; 501*38fd1498Szrj using std::use_facet; 502*38fd1498Szrj return use_facet<ctype<char_type> >(_M_locale).tolower(__c); 503*38fd1498Szrj } 504*38fd1498Szrj 505*38fd1498Szrj /** 506*38fd1498Szrj * @brief Gets a sort key for a character sequence. 507*38fd1498Szrj * 508*38fd1498Szrj * @param first beginning of the character sequence. 509*38fd1498Szrj * @param last one-past-the-end of the character sequence. 510*38fd1498Szrj * 511*38fd1498Szrj * Returns a sort key for the character sequence designated by the 512*38fd1498Szrj * iterator range [F1, F2) such that if the character sequence [G1, G2) 513*38fd1498Szrj * sorts before the character sequence [H1, H2) then 514*38fd1498Szrj * v.transform(G1, G2) < v.transform(H1, H2). 515*38fd1498Szrj * 516*38fd1498Szrj * What this really does is provide a more efficient way to compare a 517*38fd1498Szrj * string to multiple other strings in locales with fancy collation 518*38fd1498Szrj * rules and equivalence classes. 519*38fd1498Szrj * 520*38fd1498Szrj * @returns a locale-specific sort key equivalent to the input range. 521*38fd1498Szrj * 522*38fd1498Szrj * @throws std::bad_cast if the current locale does not have a collate 523*38fd1498Szrj * facet. 524*38fd1498Szrj */ 525*38fd1498Szrj template<typename _Fwd_iter> 526*38fd1498Szrj string_type 527*38fd1498Szrj transform(_Fwd_iter __first, _Fwd_iter __last) const 528*38fd1498Szrj { 529*38fd1498Szrj using std::collate; 530*38fd1498Szrj using std::use_facet; 531*38fd1498Szrj const collate<_Ch_type>& __c(use_facet< 532*38fd1498Szrj collate<_Ch_type> >(_M_locale)); 533*38fd1498Szrj string_type __s(__first, __last); 534*38fd1498Szrj return __c.transform(__s.data(), __s.data() + __s.size()); 535*38fd1498Szrj } 536*38fd1498Szrj 537*38fd1498Szrj /** 538*38fd1498Szrj * @brief Dunno. 539*38fd1498Szrj * 540*38fd1498Szrj * @param first beginning of the character sequence. 541*38fd1498Szrj * @param last one-past-the-end of the character sequence. 542*38fd1498Szrj * 543*38fd1498Szrj * Effects: if typeid(use_facet<collate<_Ch_type> >) == 544*38fd1498Szrj * typeid(collate_byname<_Ch_type>) and the form of the sort key 545*38fd1498Szrj * returned by collate_byname<_Ch_type>::transform(first, last) is known 546*38fd1498Szrj * and can be converted into a primary sort key then returns that key, 547*38fd1498Szrj * otherwise returns an empty string. WTF?? 548*38fd1498Szrj * 549*38fd1498Szrj * @todo Implement this function. 550*38fd1498Szrj */ 551*38fd1498Szrj template<typename _Fwd_iter> 552*38fd1498Szrj string_type 553*38fd1498Szrj transform_primary(_Fwd_iter __first, _Fwd_iter __last) const; 554*38fd1498Szrj 555*38fd1498Szrj /** 556*38fd1498Szrj * @brief Gets a collation element by name. 557*38fd1498Szrj * 558*38fd1498Szrj * @param first beginning of the collation element name. 559*38fd1498Szrj * @param last one-past-the-end of the collation element name. 560*38fd1498Szrj * 561*38fd1498Szrj * @returns a sequence of one or more characters that represents the 562*38fd1498Szrj * collating element consisting of the character sequence designated by 563*38fd1498Szrj * the iterator range [first, last). Returns an empty string if the 564*38fd1498Szrj * character sequence is not a valid collating element. 565*38fd1498Szrj * 566*38fd1498Szrj * @todo Implement this function. 567*38fd1498Szrj */ 568*38fd1498Szrj template<typename _Fwd_iter> 569*38fd1498Szrj string_type 570*38fd1498Szrj lookup_collatename(_Fwd_iter __first, _Fwd_iter __last) const; 571*38fd1498Szrj 572*38fd1498Szrj /** 573*38fd1498Szrj * @brief Maps one or more characters to a named character 574*38fd1498Szrj * classification. 575*38fd1498Szrj * 576*38fd1498Szrj * @param first beginning of the character sequence. 577*38fd1498Szrj * @param last one-past-the-end of the character sequence. 578*38fd1498Szrj * 579*38fd1498Szrj * @returns an unspecified value that represents the character 580*38fd1498Szrj * classification named by the character sequence designated by the 581*38fd1498Szrj * iterator range [first, last). The value returned shall be independent 582*38fd1498Szrj * of the case of the characters in the character sequence. If the name 583*38fd1498Szrj * is not recognized then returns a value that compares equal to 0. 584*38fd1498Szrj * 585*38fd1498Szrj * At least the following names (or their wide-character equivalent) are 586*38fd1498Szrj * supported. 587*38fd1498Szrj * - d 588*38fd1498Szrj * - w 589*38fd1498Szrj * - s 590*38fd1498Szrj * - alnum 591*38fd1498Szrj * - alpha 592*38fd1498Szrj * - blank 593*38fd1498Szrj * - cntrl 594*38fd1498Szrj * - digit 595*38fd1498Szrj * - graph 596*38fd1498Szrj * - lower 597*38fd1498Szrj * - print 598*38fd1498Szrj * - punct 599*38fd1498Szrj * - space 600*38fd1498Szrj * - upper 601*38fd1498Szrj * - xdigit 602*38fd1498Szrj * 603*38fd1498Szrj * @todo Implement this function. 604*38fd1498Szrj */ 605*38fd1498Szrj template<typename _Fwd_iter> 606*38fd1498Szrj char_class_type 607*38fd1498Szrj lookup_classname(_Fwd_iter __first, _Fwd_iter __last) const; 608*38fd1498Szrj 609*38fd1498Szrj /** 610*38fd1498Szrj * @brief Determines if @p c is a member of an identified class. 611*38fd1498Szrj * 612*38fd1498Szrj * @param c a character. 613*38fd1498Szrj * @param f a class type (as returned from lookup_classname). 614*38fd1498Szrj * 615*38fd1498Szrj * @returns true if the character @p c is a member of the classification 616*38fd1498Szrj * represented by @p f, false otherwise. 617*38fd1498Szrj * 618*38fd1498Szrj * @throws std::bad_cast if the current locale does not have a ctype 619*38fd1498Szrj * facet. 620*38fd1498Szrj */ 621*38fd1498Szrj bool 622*38fd1498Szrj isctype(_Ch_type __c, char_class_type __f) const; 623*38fd1498Szrj 624*38fd1498Szrj /** 625*38fd1498Szrj * @brief Converts a digit to an int. 626*38fd1498Szrj * 627*38fd1498Szrj * @param ch a character representing a digit. 628*38fd1498Szrj * @param radix the radix if the numeric conversion (limited to 8, 10, 629*38fd1498Szrj * or 16). 630*38fd1498Szrj * 631*38fd1498Szrj * @returns the value represented by the digit ch in base radix if the 632*38fd1498Szrj * character ch is a valid digit in base radix; otherwise returns -1. 633*38fd1498Szrj */ 634*38fd1498Szrj int 635*38fd1498Szrj value(_Ch_type __ch, int __radix) const; 636*38fd1498Szrj 637*38fd1498Szrj /** 638*38fd1498Szrj * @brief Imbues the regex_traits object with a copy of a new locale. 639*38fd1498Szrj * 640*38fd1498Szrj * @param loc A locale. 641*38fd1498Szrj * 642*38fd1498Szrj * @returns a copy of the previous locale in use by the regex_traits 643*38fd1498Szrj * object. 644*38fd1498Szrj * 645*38fd1498Szrj * @note Calling imbue with a different locale than the one currently in 646*38fd1498Szrj * use invalidates all cached data held by *this. 647*38fd1498Szrj */ 648*38fd1498Szrj locale_type 649*38fd1498Szrj imbue(locale_type __loc) 650*38fd1498Szrj { 651*38fd1498Szrj std::swap(_M_locale, __loc); 652*38fd1498Szrj return __loc; 653*38fd1498Szrj } 654*38fd1498Szrj 655*38fd1498Szrj /** 656*38fd1498Szrj * @brief Gets a copy of the current locale in use by the regex_traits 657*38fd1498Szrj * object. 658*38fd1498Szrj */ 659*38fd1498Szrj locale_type 660*38fd1498Szrj getloc() const 661*38fd1498Szrj { return _M_locale; } 662*38fd1498Szrj 663*38fd1498Szrj protected: 664*38fd1498Szrj locale_type _M_locale; 665*38fd1498Szrj }; 666*38fd1498Szrj 667*38fd1498Szrj template<typename _Ch_type> 668*38fd1498Szrj bool regex_traits<_Ch_type>:: 669*38fd1498Szrj isctype(_Ch_type __c, char_class_type __f) const 670*38fd1498Szrj { 671*38fd1498Szrj using std::ctype; 672*38fd1498Szrj using std::use_facet; 673*38fd1498Szrj const ctype<_Ch_type>& __ctype(use_facet< 674*38fd1498Szrj ctype<_Ch_type> >(_M_locale)); 675*38fd1498Szrj 676*38fd1498Szrj if (__ctype.is(__c, __f)) 677*38fd1498Szrj return true; 678*38fd1498Szrj#if 0 679*38fd1498Szrj // special case of underscore in [[:w:]] 680*38fd1498Szrj if (__c == __ctype.widen('_')) 681*38fd1498Szrj { 682*38fd1498Szrj const char* const __wb[] = "w"; 683*38fd1498Szrj char_class_type __wt = this->lookup_classname(__wb, 684*38fd1498Szrj __wb + sizeof(__wb)); 685*38fd1498Szrj if (__f | __wt) 686*38fd1498Szrj return true; 687*38fd1498Szrj } 688*38fd1498Szrj 689*38fd1498Szrj // special case of [[:space:]] in [[:blank:]] 690*38fd1498Szrj if (__c == __ctype.isspace(__c)) 691*38fd1498Szrj { 692*38fd1498Szrj const char* const __bb[] = "blank"; 693*38fd1498Szrj char_class_type __bt = this->lookup_classname(__bb, 694*38fd1498Szrj __bb + sizeof(__bb)); 695*38fd1498Szrj if (__f | __bt) 696*38fd1498Szrj return true; 697*38fd1498Szrj } 698*38fd1498Szrj#endif 699*38fd1498Szrj return false; 700*38fd1498Szrj } 701*38fd1498Szrj 702*38fd1498Szrj template<typename _Ch_type> 703*38fd1498Szrj int regex_traits<_Ch_type>:: 704*38fd1498Szrj value(_Ch_type __ch, int __radix) const 705*38fd1498Szrj { 706*38fd1498Szrj std::basic_istringstream<_Ch_type> __is(string_type(1, __ch)); 707*38fd1498Szrj int __v; 708*38fd1498Szrj if (__radix == 8) 709*38fd1498Szrj __is >> std::oct; 710*38fd1498Szrj else if (__radix == 16) 711*38fd1498Szrj __is >> std::hex; 712*38fd1498Szrj __is >> __v; 713*38fd1498Szrj return __is.fail() ? -1 : __v; 714*38fd1498Szrj } 715*38fd1498Szrj 716*38fd1498Szrj // [7.8] Class basic_regex 717*38fd1498Szrj /** 718*38fd1498Szrj * Objects of specializations of this class represent regular expressions 719*38fd1498Szrj * constructed from sequences of character type @p _Ch_type. 720*38fd1498Szrj * 721*38fd1498Szrj * Storage for the regular expression is allocated and deallocated as 722*38fd1498Szrj * necessary by the member functions of this class. 723*38fd1498Szrj */ 724*38fd1498Szrj template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type> > 725*38fd1498Szrj class basic_regex 726*38fd1498Szrj { 727*38fd1498Szrj public: 728*38fd1498Szrj // types: 729*38fd1498Szrj typedef _Ch_type value_type; 730*38fd1498Szrj typedef regex_constants::syntax_option_type flag_type; 731*38fd1498Szrj typedef typename _Rx_traits::locale_type locale_type; 732*38fd1498Szrj typedef typename _Rx_traits::string_type string_type; 733*38fd1498Szrj 734*38fd1498Szrj /** 735*38fd1498Szrj * @name Constants 736*38fd1498Szrj * tr1 [7.8.1] std [28.8.1] 737*38fd1498Szrj */ 738*38fd1498Szrj //@{ 739*38fd1498Szrj static const regex_constants::syntax_option_type icase 740*38fd1498Szrj = regex_constants::icase; 741*38fd1498Szrj static const regex_constants::syntax_option_type nosubs 742*38fd1498Szrj = regex_constants::nosubs; 743*38fd1498Szrj static const regex_constants::syntax_option_type optimize 744*38fd1498Szrj = regex_constants::optimize; 745*38fd1498Szrj static const regex_constants::syntax_option_type collate 746*38fd1498Szrj = regex_constants::collate; 747*38fd1498Szrj static const regex_constants::syntax_option_type ECMAScript 748*38fd1498Szrj = regex_constants::ECMAScript; 749*38fd1498Szrj static const regex_constants::syntax_option_type basic 750*38fd1498Szrj = regex_constants::basic; 751*38fd1498Szrj static const regex_constants::syntax_option_type extended 752*38fd1498Szrj = regex_constants::extended; 753*38fd1498Szrj static const regex_constants::syntax_option_type awk 754*38fd1498Szrj = regex_constants::awk; 755*38fd1498Szrj static const regex_constants::syntax_option_type grep 756*38fd1498Szrj = regex_constants::grep; 757*38fd1498Szrj static const regex_constants::syntax_option_type egrep 758*38fd1498Szrj = regex_constants::egrep; 759*38fd1498Szrj //@} 760*38fd1498Szrj 761*38fd1498Szrj // [7.8.2] construct/copy/destroy 762*38fd1498Szrj /** 763*38fd1498Szrj * Constructs a basic regular expression that does not match any 764*38fd1498Szrj * character sequence. 765*38fd1498Szrj */ 766*38fd1498Szrj basic_regex() 767*38fd1498Szrj : _M_flags(regex_constants::ECMAScript), _M_pattern(), _M_mark_count(0) 768*38fd1498Szrj { _M_compile(); } 769*38fd1498Szrj 770*38fd1498Szrj /** 771*38fd1498Szrj * @brief Constructs a basic regular expression from the sequence 772*38fd1498Szrj * [p, p + char_traits<_Ch_type>::length(p)) interpreted according to the 773*38fd1498Szrj * flags in @p f. 774*38fd1498Szrj * 775*38fd1498Szrj * @param p A pointer to the start of a C-style null-terminated string 776*38fd1498Szrj * containing a regular expression. 777*38fd1498Szrj * @param f Flags indicating the syntax rules and options. 778*38fd1498Szrj * 779*38fd1498Szrj * @throws regex_error if @p p is not a valid regular expression. 780*38fd1498Szrj */ 781*38fd1498Szrj explicit 782*38fd1498Szrj basic_regex(const _Ch_type* __p, 783*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 784*38fd1498Szrj : _M_flags(__f), _M_pattern(__p), _M_mark_count(0) 785*38fd1498Szrj { _M_compile(); } 786*38fd1498Szrj 787*38fd1498Szrj /** 788*38fd1498Szrj * @brief Constructs a basic regular expression from the sequence 789*38fd1498Szrj * [p, p + len) interpreted according to the flags in @p f. 790*38fd1498Szrj * 791*38fd1498Szrj * @param p A pointer to the start of a string containing a regular 792*38fd1498Szrj * expression. 793*38fd1498Szrj * @param len The length of the string containing the regular expression. 794*38fd1498Szrj * @param f Flags indicating the syntax rules and options. 795*38fd1498Szrj * 796*38fd1498Szrj * @throws regex_error if @p p is not a valid regular expression. 797*38fd1498Szrj */ 798*38fd1498Szrj basic_regex(const _Ch_type* __p, std::size_t __len, flag_type __f) 799*38fd1498Szrj : _M_flags(__f) , _M_pattern(__p, __len), _M_mark_count(0) 800*38fd1498Szrj { _M_compile(); } 801*38fd1498Szrj 802*38fd1498Szrj /** 803*38fd1498Szrj * @brief Copy-constructs a basic regular expression. 804*38fd1498Szrj * 805*38fd1498Szrj * @param rhs A @p regex object. 806*38fd1498Szrj */ 807*38fd1498Szrj basic_regex(const basic_regex& __rhs) 808*38fd1498Szrj : _M_flags(__rhs._M_flags), _M_pattern(__rhs._M_pattern), 809*38fd1498Szrj _M_mark_count(__rhs._M_mark_count) 810*38fd1498Szrj { _M_compile(); } 811*38fd1498Szrj 812*38fd1498Szrj /** 813*38fd1498Szrj * @brief Constructs a basic regular expression from the string 814*38fd1498Szrj * @p s interpreted according to the flags in @p f. 815*38fd1498Szrj * 816*38fd1498Szrj * @param s A string containing a regular expression. 817*38fd1498Szrj * @param f Flags indicating the syntax rules and options. 818*38fd1498Szrj * 819*38fd1498Szrj * @throws regex_error if @p s is not a valid regular expression. 820*38fd1498Szrj */ 821*38fd1498Szrj template<typename _Ch_traits, typename _Ch_alloc> 822*38fd1498Szrj explicit 823*38fd1498Szrj basic_regex(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, 824*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 825*38fd1498Szrj : _M_flags(__f), _M_pattern(__s.begin(), __s.end()), _M_mark_count(0) 826*38fd1498Szrj { _M_compile(); } 827*38fd1498Szrj 828*38fd1498Szrj /** 829*38fd1498Szrj * @brief Constructs a basic regular expression from the range 830*38fd1498Szrj * [first, last) interpreted according to the flags in @p f. 831*38fd1498Szrj * 832*38fd1498Szrj * @param first The start of a range containing a valid regular 833*38fd1498Szrj * expression. 834*38fd1498Szrj * @param last The end of a range containing a valid regular 835*38fd1498Szrj * expression. 836*38fd1498Szrj * @param f The format flags of the regular expression. 837*38fd1498Szrj * 838*38fd1498Szrj * @throws regex_error if @p [first, last) is not a valid regular 839*38fd1498Szrj * expression. 840*38fd1498Szrj */ 841*38fd1498Szrj template<typename _InputIterator> 842*38fd1498Szrj basic_regex(_InputIterator __first, _InputIterator __last, 843*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 844*38fd1498Szrj : _M_flags(__f), _M_pattern(__first, __last), _M_mark_count(0) 845*38fd1498Szrj { _M_compile(); } 846*38fd1498Szrj 847*38fd1498Szrj#ifdef _GLIBCXX_INCLUDE_AS_CXX11 848*38fd1498Szrj /** 849*38fd1498Szrj * @brief Constructs a basic regular expression from an initializer list. 850*38fd1498Szrj * 851*38fd1498Szrj * @param l The initializer list. 852*38fd1498Szrj * @param f The format flags of the regular expression. 853*38fd1498Szrj * 854*38fd1498Szrj * @throws regex_error if @p l is not a valid regular expression. 855*38fd1498Szrj */ 856*38fd1498Szrj basic_regex(initializer_list<_Ch_type> __l, 857*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 858*38fd1498Szrj : _M_flags(__f), _M_pattern(__l.begin(), __l.end()), _M_mark_count(0) 859*38fd1498Szrj { _M_compile(); } 860*38fd1498Szrj#endif 861*38fd1498Szrj 862*38fd1498Szrj /** 863*38fd1498Szrj * @brief Destroys a basic regular expression. 864*38fd1498Szrj */ 865*38fd1498Szrj ~basic_regex() 866*38fd1498Szrj { } 867*38fd1498Szrj 868*38fd1498Szrj /** 869*38fd1498Szrj * @brief Assigns one regular expression to another. 870*38fd1498Szrj */ 871*38fd1498Szrj basic_regex& 872*38fd1498Szrj operator=(const basic_regex& __rhs) 873*38fd1498Szrj { return this->assign(__rhs); } 874*38fd1498Szrj 875*38fd1498Szrj /** 876*38fd1498Szrj * @brief Replaces a regular expression with a new one constructed from 877*38fd1498Szrj * a C-style null-terminated string. 878*38fd1498Szrj * 879*38fd1498Szrj * @param A pointer to the start of a null-terminated C-style string 880*38fd1498Szrj * containing a regular expression. 881*38fd1498Szrj */ 882*38fd1498Szrj basic_regex& 883*38fd1498Szrj operator=(const _Ch_type* __p) 884*38fd1498Szrj { return this->assign(__p, flags()); } 885*38fd1498Szrj 886*38fd1498Szrj /** 887*38fd1498Szrj * @brief Replaces a regular expression with a new one constructed from 888*38fd1498Szrj * a string. 889*38fd1498Szrj * 890*38fd1498Szrj * @param A pointer to a string containing a regular expression. 891*38fd1498Szrj */ 892*38fd1498Szrj template<typename _Ch_typeraits, typename _Allocator> 893*38fd1498Szrj basic_regex& 894*38fd1498Szrj operator=(const basic_string<_Ch_type, _Ch_typeraits, _Allocator>& __s) 895*38fd1498Szrj { return this->assign(__s, flags()); } 896*38fd1498Szrj 897*38fd1498Szrj // [7.8.3] assign 898*38fd1498Szrj /** 899*38fd1498Szrj * @brief the real assignment operator. 900*38fd1498Szrj * 901*38fd1498Szrj * @param that Another regular expression object. 902*38fd1498Szrj */ 903*38fd1498Szrj basic_regex& 904*38fd1498Szrj assign(const basic_regex& __that) 905*38fd1498Szrj { 906*38fd1498Szrj basic_regex __tmp(__that); 907*38fd1498Szrj this->swap(__tmp); 908*38fd1498Szrj return *this; 909*38fd1498Szrj } 910*38fd1498Szrj 911*38fd1498Szrj /** 912*38fd1498Szrj * @brief Assigns a new regular expression to a regex object from a 913*38fd1498Szrj * C-style null-terminated string containing a regular expression 914*38fd1498Szrj * pattern. 915*38fd1498Szrj * 916*38fd1498Szrj * @param p A pointer to a C-style null-terminated string containing 917*38fd1498Szrj * a regular expression pattern. 918*38fd1498Szrj * @param flags Syntax option flags. 919*38fd1498Szrj * 920*38fd1498Szrj * @throws regex_error if p does not contain a valid regular expression 921*38fd1498Szrj * pattern interpreted according to @p flags. If regex_error is thrown, 922*38fd1498Szrj * *this remains unchanged. 923*38fd1498Szrj */ 924*38fd1498Szrj basic_regex& 925*38fd1498Szrj assign(const _Ch_type* __p, 926*38fd1498Szrj flag_type __flags = regex_constants::ECMAScript) 927*38fd1498Szrj { return this->assign(string_type(__p), __flags); } 928*38fd1498Szrj 929*38fd1498Szrj /** 930*38fd1498Szrj * @brief Assigns a new regular expression to a regex object from a 931*38fd1498Szrj * C-style string containing a regular expression pattern. 932*38fd1498Szrj * 933*38fd1498Szrj * @param p A pointer to a C-style string containing a 934*38fd1498Szrj * regular expression pattern. 935*38fd1498Szrj * @param len The length of the regular expression pattern string. 936*38fd1498Szrj * @param flags Syntax option flags. 937*38fd1498Szrj * 938*38fd1498Szrj * @throws regex_error if p does not contain a valid regular expression 939*38fd1498Szrj * pattern interpreted according to @p flags. If regex_error is thrown, 940*38fd1498Szrj * *this remains unchanged. 941*38fd1498Szrj */ 942*38fd1498Szrj basic_regex& 943*38fd1498Szrj assign(const _Ch_type* __p, std::size_t __len, flag_type __flags) 944*38fd1498Szrj { return this->assign(string_type(__p, __len), __flags); } 945*38fd1498Szrj 946*38fd1498Szrj /** 947*38fd1498Szrj * @brief Assigns a new regular expression to a regex object from a 948*38fd1498Szrj * string containing a regular expression pattern. 949*38fd1498Szrj * 950*38fd1498Szrj * @param s A string containing a regular expression pattern. 951*38fd1498Szrj * @param flags Syntax option flags. 952*38fd1498Szrj * 953*38fd1498Szrj * @throws regex_error if p does not contain a valid regular expression 954*38fd1498Szrj * pattern interpreted according to @p flags. If regex_error is thrown, 955*38fd1498Szrj * *this remains unchanged. 956*38fd1498Szrj */ 957*38fd1498Szrj template<typename _Ch_typeraits, typename _Allocator> 958*38fd1498Szrj basic_regex& 959*38fd1498Szrj assign(const basic_string<_Ch_type, _Ch_typeraits, _Allocator>& __s, 960*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 961*38fd1498Szrj { 962*38fd1498Szrj basic_regex __tmp(__s, __f); 963*38fd1498Szrj this->swap(__tmp); 964*38fd1498Szrj return *this; 965*38fd1498Szrj } 966*38fd1498Szrj 967*38fd1498Szrj /** 968*38fd1498Szrj * @brief Assigns a new regular expression to a regex object. 969*38fd1498Szrj * 970*38fd1498Szrj * @param first The start of a range containing a valid regular 971*38fd1498Szrj * expression. 972*38fd1498Szrj * @param last The end of a range containing a valid regular 973*38fd1498Szrj * expression. 974*38fd1498Szrj * @param flags Syntax option flags. 975*38fd1498Szrj * 976*38fd1498Szrj * @throws regex_error if p does not contain a valid regular expression 977*38fd1498Szrj * pattern interpreted according to @p flags. If regex_error is thrown, 978*38fd1498Szrj * the object remains unchanged. 979*38fd1498Szrj */ 980*38fd1498Szrj template<typename _InputIterator> 981*38fd1498Szrj basic_regex& 982*38fd1498Szrj assign(_InputIterator __first, _InputIterator __last, 983*38fd1498Szrj flag_type __flags = regex_constants::ECMAScript) 984*38fd1498Szrj { return this->assign(string_type(__first, __last), __flags); } 985*38fd1498Szrj 986*38fd1498Szrj#ifdef _GLIBCXX_INCLUDE_AS_CXX11 987*38fd1498Szrj /** 988*38fd1498Szrj * @brief Assigns a new regular expression to a regex object. 989*38fd1498Szrj * 990*38fd1498Szrj * @param l An initializer list representing a regular expression. 991*38fd1498Szrj * @param flags Syntax option flags. 992*38fd1498Szrj * 993*38fd1498Szrj * @throws regex_error if @p l does not contain a valid regular 994*38fd1498Szrj * expression pattern interpreted according to @p flags. If regex_error 995*38fd1498Szrj * is thrown, the object remains unchanged. 996*38fd1498Szrj */ 997*38fd1498Szrj basic_regex& 998*38fd1498Szrj assign(initializer_list<_Ch_type> __l, 999*38fd1498Szrj flag_type __f = regex_constants::ECMAScript) 1000*38fd1498Szrj { return this->assign(__l.begin(), __l.end(), __f); } 1001*38fd1498Szrj#endif 1002*38fd1498Szrj 1003*38fd1498Szrj // [7.8.4] const operations 1004*38fd1498Szrj /** 1005*38fd1498Szrj * @brief Gets the number of marked subexpressions within the regular 1006*38fd1498Szrj * expression. 1007*38fd1498Szrj */ 1008*38fd1498Szrj unsigned int 1009*38fd1498Szrj mark_count() const 1010*38fd1498Szrj { return _M_mark_count; } 1011*38fd1498Szrj 1012*38fd1498Szrj /** 1013*38fd1498Szrj * @brief Gets the flags used to construct the regular expression 1014*38fd1498Szrj * or in the last call to assign(). 1015*38fd1498Szrj */ 1016*38fd1498Szrj flag_type 1017*38fd1498Szrj flags() const 1018*38fd1498Szrj { return _M_flags; } 1019*38fd1498Szrj 1020*38fd1498Szrj // [7.8.5] locale 1021*38fd1498Szrj /** 1022*38fd1498Szrj * @brief Imbues the regular expression object with the given locale. 1023*38fd1498Szrj * 1024*38fd1498Szrj * @param loc A locale. 1025*38fd1498Szrj */ 1026*38fd1498Szrj locale_type 1027*38fd1498Szrj imbue(locale_type __loc) 1028*38fd1498Szrj { return _M_traits.imbue(__loc); } 1029*38fd1498Szrj 1030*38fd1498Szrj /** 1031*38fd1498Szrj * @brief Gets the locale currently imbued in the regular expression 1032*38fd1498Szrj * object. 1033*38fd1498Szrj */ 1034*38fd1498Szrj locale_type 1035*38fd1498Szrj getloc() const 1036*38fd1498Szrj { return _M_traits.getloc(); } 1037*38fd1498Szrj 1038*38fd1498Szrj // [7.8.6] swap 1039*38fd1498Szrj /** 1040*38fd1498Szrj * @brief Swaps the contents of two regular expression objects. 1041*38fd1498Szrj * 1042*38fd1498Szrj * @param rhs Another regular expression object. 1043*38fd1498Szrj */ 1044*38fd1498Szrj void 1045*38fd1498Szrj swap(basic_regex& __rhs) 1046*38fd1498Szrj { 1047*38fd1498Szrj std::swap(_M_flags, __rhs._M_flags); 1048*38fd1498Szrj std::swap(_M_pattern, __rhs._M_pattern); 1049*38fd1498Szrj std::swap(_M_mark_count, __rhs._M_mark_count); 1050*38fd1498Szrj std::swap(_M_traits, __rhs._M_traits); 1051*38fd1498Szrj } 1052*38fd1498Szrj 1053*38fd1498Szrj private: 1054*38fd1498Szrj /** 1055*38fd1498Szrj * @brief Compiles a regular expression pattern into a NFA. 1056*38fd1498Szrj * @todo Implement this function. 1057*38fd1498Szrj */ 1058*38fd1498Szrj void _M_compile(); 1059*38fd1498Szrj 1060*38fd1498Szrj protected: 1061*38fd1498Szrj flag_type _M_flags; 1062*38fd1498Szrj string_type _M_pattern; 1063*38fd1498Szrj unsigned int _M_mark_count; 1064*38fd1498Szrj _Rx_traits _M_traits; 1065*38fd1498Szrj }; 1066*38fd1498Szrj 1067*38fd1498Szrj /** @brief Standard regular expressions. */ 1068*38fd1498Szrj typedef basic_regex<char> regex; 1069*38fd1498Szrj#ifdef _GLIBCXX_USE_WCHAR_T 1070*38fd1498Szrj /** @brief Standard wide-character regular expressions. */ 1071*38fd1498Szrj typedef basic_regex<wchar_t> wregex; 1072*38fd1498Szrj#endif 1073*38fd1498Szrj 1074*38fd1498Szrj 1075*38fd1498Szrj // [7.8.6] basic_regex swap 1076*38fd1498Szrj /** 1077*38fd1498Szrj * @brief Swaps the contents of two regular expression objects. 1078*38fd1498Szrj * @param lhs First regular expression. 1079*38fd1498Szrj * @param rhs Second regular expression. 1080*38fd1498Szrj */ 1081*38fd1498Szrj template<typename _Ch_type, typename _Rx_traits> 1082*38fd1498Szrj inline void 1083*38fd1498Szrj swap(basic_regex<_Ch_type, _Rx_traits>& __lhs, 1084*38fd1498Szrj basic_regex<_Ch_type, _Rx_traits>& __rhs) 1085*38fd1498Szrj { __lhs.swap(__rhs); } 1086*38fd1498Szrj 1087*38fd1498Szrj 1088*38fd1498Szrj // [7.9] Class template sub_match 1089*38fd1498Szrj /** 1090*38fd1498Szrj * A sequence of characters matched by a particular marked sub-expression. 1091*38fd1498Szrj * 1092*38fd1498Szrj * An object of this class is essentially a pair of iterators marking a 1093*38fd1498Szrj * matched subexpression within a regular expression pattern match. Such 1094*38fd1498Szrj * objects can be converted to and compared with std::basic_string objects 1095*38fd1498Szrj * of a similar base character type as the pattern matched by the regular 1096*38fd1498Szrj * expression. 1097*38fd1498Szrj * 1098*38fd1498Szrj * The iterators that make up the pair are the usual half-open interval 1099*38fd1498Szrj * referencing the actual original pattern matched. 1100*38fd1498Szrj */ 1101*38fd1498Szrj template<typename _BiIter> 1102*38fd1498Szrj class sub_match : public std::pair<_BiIter, _BiIter> 1103*38fd1498Szrj { 1104*38fd1498Szrj public: 1105*38fd1498Szrj typedef typename iterator_traits<_BiIter>::value_type value_type; 1106*38fd1498Szrj typedef typename iterator_traits<_BiIter>::difference_type 1107*38fd1498Szrj difference_type; 1108*38fd1498Szrj typedef _BiIter iterator; 1109*38fd1498Szrj 1110*38fd1498Szrj public: 1111*38fd1498Szrj bool matched; 1112*38fd1498Szrj 1113*38fd1498Szrj /** 1114*38fd1498Szrj * Gets the length of the matching sequence. 1115*38fd1498Szrj */ 1116*38fd1498Szrj difference_type 1117*38fd1498Szrj length() const 1118*38fd1498Szrj { return this->matched ? std::distance(this->first, this->second) : 0; } 1119*38fd1498Szrj 1120*38fd1498Szrj /** 1121*38fd1498Szrj * @brief Gets the matching sequence as a string. 1122*38fd1498Szrj * 1123*38fd1498Szrj * @returns the matching sequence as a string. 1124*38fd1498Szrj * 1125*38fd1498Szrj * This is the implicit conversion operator. It is identical to the 1126*38fd1498Szrj * str() member function except that it will want to pop up in 1127*38fd1498Szrj * unexpected places and cause a great deal of confusion and cursing 1128*38fd1498Szrj * from the unwary. 1129*38fd1498Szrj */ 1130*38fd1498Szrj operator basic_string<value_type>() const 1131*38fd1498Szrj { 1132*38fd1498Szrj return this->matched 1133*38fd1498Szrj ? std::basic_string<value_type>(this->first, this->second) 1134*38fd1498Szrj : std::basic_string<value_type>(); 1135*38fd1498Szrj } 1136*38fd1498Szrj 1137*38fd1498Szrj /** 1138*38fd1498Szrj * @brief Gets the matching sequence as a string. 1139*38fd1498Szrj * 1140*38fd1498Szrj * @returns the matching sequence as a string. 1141*38fd1498Szrj */ 1142*38fd1498Szrj basic_string<value_type> 1143*38fd1498Szrj str() const 1144*38fd1498Szrj { 1145*38fd1498Szrj return this->matched 1146*38fd1498Szrj ? std::basic_string<value_type>(this->first, this->second) 1147*38fd1498Szrj : std::basic_string<value_type>(); 1148*38fd1498Szrj } 1149*38fd1498Szrj 1150*38fd1498Szrj /** 1151*38fd1498Szrj * @brief Compares this and another matched sequence. 1152*38fd1498Szrj * 1153*38fd1498Szrj * @param s Another matched sequence to compare to this one. 1154*38fd1498Szrj * 1155*38fd1498Szrj * @retval <0 this matched sequence will collate before @p s. 1156*38fd1498Szrj * @retval =0 this matched sequence is equivalent to @p s. 1157*38fd1498Szrj * @retval <0 this matched sequence will collate after @p s. 1158*38fd1498Szrj */ 1159*38fd1498Szrj int 1160*38fd1498Szrj compare(const sub_match& __s) const 1161*38fd1498Szrj { return this->str().compare(__s.str()); } 1162*38fd1498Szrj 1163*38fd1498Szrj /** 1164*38fd1498Szrj * @brief Compares this sub_match to a string. 1165*38fd1498Szrj * 1166*38fd1498Szrj * @param s A string to compare to this sub_match. 1167*38fd1498Szrj * 1168*38fd1498Szrj * @retval <0 this matched sequence will collate before @p s. 1169*38fd1498Szrj * @retval =0 this matched sequence is equivalent to @p s. 1170*38fd1498Szrj * @retval <0 this matched sequence will collate after @p s. 1171*38fd1498Szrj */ 1172*38fd1498Szrj int 1173*38fd1498Szrj compare(const basic_string<value_type>& __s) const 1174*38fd1498Szrj { return this->str().compare(__s); } 1175*38fd1498Szrj 1176*38fd1498Szrj /** 1177*38fd1498Szrj * @brief Compares this sub_match to a C-style string. 1178*38fd1498Szrj * 1179*38fd1498Szrj * @param s A C-style string to compare to this sub_match. 1180*38fd1498Szrj * 1181*38fd1498Szrj * @retval <0 this matched sequence will collate before @p s. 1182*38fd1498Szrj * @retval =0 this matched sequence is equivalent to @p s. 1183*38fd1498Szrj * @retval <0 this matched sequence will collate after @p s. 1184*38fd1498Szrj */ 1185*38fd1498Szrj int 1186*38fd1498Szrj compare(const value_type* __s) const 1187*38fd1498Szrj { return this->str().compare(__s); } 1188*38fd1498Szrj }; 1189*38fd1498Szrj 1190*38fd1498Szrj 1191*38fd1498Szrj /** @brief Standard regex submatch over a C-style null-terminated string. */ 1192*38fd1498Szrj typedef sub_match<const char*> csub_match; 1193*38fd1498Szrj /** @brief Standard regex submatch over a standard string. */ 1194*38fd1498Szrj typedef sub_match<string::const_iterator> ssub_match; 1195*38fd1498Szrj#ifdef _GLIBCXX_USE_WCHAR_T 1196*38fd1498Szrj /** @brief Regex submatch over a C-style null-terminated wide string. */ 1197*38fd1498Szrj typedef sub_match<const wchar_t*> wcsub_match; 1198*38fd1498Szrj /** @brief Regex submatch over a standard wide string. */ 1199*38fd1498Szrj typedef sub_match<wstring::const_iterator> wssub_match; 1200*38fd1498Szrj#endif 1201*38fd1498Szrj 1202*38fd1498Szrj // [7.9.2] sub_match non-member operators 1203*38fd1498Szrj 1204*38fd1498Szrj /** 1205*38fd1498Szrj * @brief Tests the equivalence of two regular expression submatches. 1206*38fd1498Szrj * @param lhs First regular expression submatch. 1207*38fd1498Szrj * @param rhs Second regular expression submatch. 1208*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1209*38fd1498Szrj */ 1210*38fd1498Szrj template<typename _BiIter> 1211*38fd1498Szrj inline bool 1212*38fd1498Szrj operator==(const sub_match<_BiIter>& __lhs, 1213*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1214*38fd1498Szrj { return __lhs.compare(__rhs) == 0; } 1215*38fd1498Szrj 1216*38fd1498Szrj /** 1217*38fd1498Szrj * @brief Tests the inequivalence of two regular expression submatches. 1218*38fd1498Szrj * @param lhs First regular expression submatch. 1219*38fd1498Szrj * @param rhs Second regular expression submatch. 1220*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1221*38fd1498Szrj */ 1222*38fd1498Szrj template<typename _BiIter> 1223*38fd1498Szrj inline bool 1224*38fd1498Szrj operator!=(const sub_match<_BiIter>& __lhs, 1225*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1226*38fd1498Szrj { return __lhs.compare(__rhs) != 0; } 1227*38fd1498Szrj 1228*38fd1498Szrj /** 1229*38fd1498Szrj * @brief Tests the ordering of two regular expression submatches. 1230*38fd1498Szrj * @param lhs First regular expression submatch. 1231*38fd1498Szrj * @param rhs Second regular expression submatch. 1232*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1233*38fd1498Szrj */ 1234*38fd1498Szrj template<typename _BiIter> 1235*38fd1498Szrj inline bool 1236*38fd1498Szrj operator<(const sub_match<_BiIter>& __lhs, 1237*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1238*38fd1498Szrj { return __lhs.compare(__rhs) < 0; } 1239*38fd1498Szrj 1240*38fd1498Szrj /** 1241*38fd1498Szrj * @brief Tests the ordering of two regular expression submatches. 1242*38fd1498Szrj * @param lhs First regular expression submatch. 1243*38fd1498Szrj * @param rhs Second regular expression submatch. 1244*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1245*38fd1498Szrj */ 1246*38fd1498Szrj template<typename _BiIter> 1247*38fd1498Szrj inline bool 1248*38fd1498Szrj operator<=(const sub_match<_BiIter>& __lhs, 1249*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1250*38fd1498Szrj { return __lhs.compare(__rhs) <= 0; } 1251*38fd1498Szrj 1252*38fd1498Szrj /** 1253*38fd1498Szrj * @brief Tests the ordering of two regular expression submatches. 1254*38fd1498Szrj * @param lhs First regular expression submatch. 1255*38fd1498Szrj * @param rhs Second regular expression submatch. 1256*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1257*38fd1498Szrj */ 1258*38fd1498Szrj template<typename _BiIter> 1259*38fd1498Szrj inline bool 1260*38fd1498Szrj operator>=(const sub_match<_BiIter>& __lhs, 1261*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1262*38fd1498Szrj { return __lhs.compare(__rhs) >= 0; } 1263*38fd1498Szrj 1264*38fd1498Szrj /** 1265*38fd1498Szrj * @brief Tests the ordering of two regular expression submatches. 1266*38fd1498Szrj * @param lhs First regular expression submatch. 1267*38fd1498Szrj * @param rhs Second regular expression submatch. 1268*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1269*38fd1498Szrj */ 1270*38fd1498Szrj template<typename _BiIter> 1271*38fd1498Szrj inline bool 1272*38fd1498Szrj operator>(const sub_match<_BiIter>& __lhs, 1273*38fd1498Szrj const sub_match<_BiIter>& __rhs) 1274*38fd1498Szrj { return __lhs.compare(__rhs) > 0; } 1275*38fd1498Szrj 1276*38fd1498Szrj /** 1277*38fd1498Szrj * @brief Tests the equivalence of a string and a regular expression 1278*38fd1498Szrj * submatch. 1279*38fd1498Szrj * @param lhs A string. 1280*38fd1498Szrj * @param rhs A regular expression submatch. 1281*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1282*38fd1498Szrj */ 1283*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1284*38fd1498Szrj inline bool 1285*38fd1498Szrj operator==(const basic_string< 1286*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1287*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, 1288*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1289*38fd1498Szrj { return __lhs == __rhs.str(); } 1290*38fd1498Szrj 1291*38fd1498Szrj /** 1292*38fd1498Szrj * @brief Tests the inequivalence of a string and a regular expression 1293*38fd1498Szrj * submatch. 1294*38fd1498Szrj * @param lhs A string. 1295*38fd1498Szrj * @param rhs A regular expression submatch. 1296*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1297*38fd1498Szrj */ 1298*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1299*38fd1498Szrj inline bool 1300*38fd1498Szrj operator!=(const basic_string< 1301*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1302*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) 1303*38fd1498Szrj { return __lhs != __rhs.str(); } 1304*38fd1498Szrj 1305*38fd1498Szrj /** 1306*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1307*38fd1498Szrj * @param lhs A string. 1308*38fd1498Szrj * @param rhs A regular expression submatch. 1309*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1310*38fd1498Szrj */ 1311*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1312*38fd1498Szrj inline bool 1313*38fd1498Szrj operator<(const basic_string< 1314*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1315*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) 1316*38fd1498Szrj { return __lhs < __rhs.str(); } 1317*38fd1498Szrj 1318*38fd1498Szrj /** 1319*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1320*38fd1498Szrj * @param lhs A string. 1321*38fd1498Szrj * @param rhs A regular expression submatch. 1322*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1323*38fd1498Szrj */ 1324*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1325*38fd1498Szrj inline bool 1326*38fd1498Szrj operator>(const basic_string< 1327*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1328*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) 1329*38fd1498Szrj { return __lhs > __rhs.str(); } 1330*38fd1498Szrj 1331*38fd1498Szrj /** 1332*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1333*38fd1498Szrj * @param lhs A string. 1334*38fd1498Szrj * @param rhs A regular expression submatch. 1335*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1336*38fd1498Szrj */ 1337*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1338*38fd1498Szrj inline bool 1339*38fd1498Szrj operator>=(const basic_string< 1340*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1341*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) 1342*38fd1498Szrj { return __lhs >= __rhs.str(); } 1343*38fd1498Szrj 1344*38fd1498Szrj /** 1345*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1346*38fd1498Szrj * @param lhs A string. 1347*38fd1498Szrj * @param rhs A regular expression submatch. 1348*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1349*38fd1498Szrj */ 1350*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1351*38fd1498Szrj inline bool 1352*38fd1498Szrj operator<=(const basic_string< 1353*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1354*38fd1498Szrj _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) 1355*38fd1498Szrj { return __lhs <= __rhs.str(); } 1356*38fd1498Szrj 1357*38fd1498Szrj /** 1358*38fd1498Szrj * @brief Tests the equivalence of a regular expression submatch and a 1359*38fd1498Szrj * string. 1360*38fd1498Szrj * @param lhs A regular expression submatch. 1361*38fd1498Szrj * @param rhs A string. 1362*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1363*38fd1498Szrj */ 1364*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1365*38fd1498Szrj inline bool 1366*38fd1498Szrj operator==(const sub_match<_Bi_iter>& __lhs, 1367*38fd1498Szrj const basic_string< 1368*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1369*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1370*38fd1498Szrj { return __lhs.str() == __rhs; } 1371*38fd1498Szrj 1372*38fd1498Szrj /** 1373*38fd1498Szrj * @brief Tests the inequivalence of a regular expression submatch and a 1374*38fd1498Szrj * string. 1375*38fd1498Szrj * @param lhs A regular expression submatch. 1376*38fd1498Szrj * @param rhs A string. 1377*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1378*38fd1498Szrj */ 1379*38fd1498Szrj template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> 1380*38fd1498Szrj inline bool 1381*38fd1498Szrj operator!=(const sub_match<_Bi_iter>& __lhs, 1382*38fd1498Szrj const basic_string< 1383*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1384*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1385*38fd1498Szrj { return __lhs.str() != __rhs; } 1386*38fd1498Szrj 1387*38fd1498Szrj /** 1388*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1389*38fd1498Szrj * @param lhs A regular expression submatch. 1390*38fd1498Szrj * @param rhs A string. 1391*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1392*38fd1498Szrj */ 1393*38fd1498Szrj template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> 1394*38fd1498Szrj inline bool 1395*38fd1498Szrj operator<(const sub_match<_Bi_iter>& __lhs, 1396*38fd1498Szrj const basic_string< 1397*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1398*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1399*38fd1498Szrj { return __lhs.str() < __rhs; } 1400*38fd1498Szrj 1401*38fd1498Szrj /** 1402*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1403*38fd1498Szrj * @param lhs A regular expression submatch. 1404*38fd1498Szrj * @param rhs A string. 1405*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1406*38fd1498Szrj */ 1407*38fd1498Szrj template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> 1408*38fd1498Szrj inline bool 1409*38fd1498Szrj operator>(const sub_match<_Bi_iter>& __lhs, 1410*38fd1498Szrj const basic_string< 1411*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1412*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1413*38fd1498Szrj { return __lhs.str() > __rhs; } 1414*38fd1498Szrj 1415*38fd1498Szrj /** 1416*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1417*38fd1498Szrj * @param lhs A regular expression submatch. 1418*38fd1498Szrj * @param rhs A string. 1419*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1420*38fd1498Szrj */ 1421*38fd1498Szrj template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> 1422*38fd1498Szrj inline bool 1423*38fd1498Szrj operator>=(const sub_match<_Bi_iter>& __lhs, 1424*38fd1498Szrj const basic_string< 1425*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1426*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1427*38fd1498Szrj { return __lhs.str() >= __rhs; } 1428*38fd1498Szrj 1429*38fd1498Szrj /** 1430*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1431*38fd1498Szrj * @param lhs A regular expression submatch. 1432*38fd1498Szrj * @param rhs A string. 1433*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1434*38fd1498Szrj */ 1435*38fd1498Szrj template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> 1436*38fd1498Szrj inline bool 1437*38fd1498Szrj operator<=(const sub_match<_Bi_iter>& __lhs, 1438*38fd1498Szrj const basic_string< 1439*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type, 1440*38fd1498Szrj _Ch_traits, _Ch_alloc>& __rhs) 1441*38fd1498Szrj { return __lhs.str() <= __rhs; } 1442*38fd1498Szrj 1443*38fd1498Szrj /** 1444*38fd1498Szrj * @brief Tests the equivalence of a C string and a regular expression 1445*38fd1498Szrj * submatch. 1446*38fd1498Szrj * @param lhs A C string. 1447*38fd1498Szrj * @param rhs A regular expression submatch. 1448*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1449*38fd1498Szrj */ 1450*38fd1498Szrj template<typename _Bi_iter> 1451*38fd1498Szrj inline bool 1452*38fd1498Szrj operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1453*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1454*38fd1498Szrj { return __lhs == __rhs.str(); } 1455*38fd1498Szrj 1456*38fd1498Szrj /** 1457*38fd1498Szrj * @brief Tests the inequivalence of an iterator value and a regular 1458*38fd1498Szrj * expression submatch. 1459*38fd1498Szrj * @param lhs A regular expression submatch. 1460*38fd1498Szrj * @param rhs A string. 1461*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1462*38fd1498Szrj */ 1463*38fd1498Szrj template<typename _Bi_iter> 1464*38fd1498Szrj inline bool 1465*38fd1498Szrj operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1466*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1467*38fd1498Szrj { return __lhs != __rhs.str(); } 1468*38fd1498Szrj 1469*38fd1498Szrj /** 1470*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1471*38fd1498Szrj * @param lhs A string. 1472*38fd1498Szrj * @param rhs A regular expression submatch. 1473*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1474*38fd1498Szrj */ 1475*38fd1498Szrj template<typename _Bi_iter> 1476*38fd1498Szrj inline bool 1477*38fd1498Szrj operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1478*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1479*38fd1498Szrj { return __lhs < __rhs.str(); } 1480*38fd1498Szrj 1481*38fd1498Szrj /** 1482*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1483*38fd1498Szrj * @param lhs A string. 1484*38fd1498Szrj * @param rhs A regular expression submatch. 1485*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1486*38fd1498Szrj */ 1487*38fd1498Szrj template<typename _Bi_iter> 1488*38fd1498Szrj inline bool 1489*38fd1498Szrj operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1490*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1491*38fd1498Szrj { return __lhs > __rhs.str(); } 1492*38fd1498Szrj 1493*38fd1498Szrj /** 1494*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1495*38fd1498Szrj * @param lhs A string. 1496*38fd1498Szrj * @param rhs A regular expression submatch. 1497*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1498*38fd1498Szrj */ 1499*38fd1498Szrj template<typename _Bi_iter> 1500*38fd1498Szrj inline bool 1501*38fd1498Szrj operator>=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1502*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1503*38fd1498Szrj { return __lhs >= __rhs.str(); } 1504*38fd1498Szrj 1505*38fd1498Szrj /** 1506*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1507*38fd1498Szrj * @param lhs A string. 1508*38fd1498Szrj * @param rhs A regular expression submatch. 1509*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1510*38fd1498Szrj */ 1511*38fd1498Szrj template<typename _Bi_iter> 1512*38fd1498Szrj inline bool 1513*38fd1498Szrj operator<=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, 1514*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1515*38fd1498Szrj { return __lhs <= __rhs.str(); } 1516*38fd1498Szrj 1517*38fd1498Szrj /** 1518*38fd1498Szrj * @brief Tests the equivalence of a regular expression submatch and a 1519*38fd1498Szrj * string. 1520*38fd1498Szrj * @param lhs A regular expression submatch. 1521*38fd1498Szrj * @param rhs A pointer to a string? 1522*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1523*38fd1498Szrj */ 1524*38fd1498Szrj template<typename _Bi_iter> 1525*38fd1498Szrj inline bool 1526*38fd1498Szrj operator==(const sub_match<_Bi_iter>& __lhs, 1527*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1528*38fd1498Szrj { return __lhs.str() == __rhs; } 1529*38fd1498Szrj 1530*38fd1498Szrj /** 1531*38fd1498Szrj * @brief Tests the inequivalence of a regular expression submatch and a 1532*38fd1498Szrj * string. 1533*38fd1498Szrj * @param lhs A regular expression submatch. 1534*38fd1498Szrj * @param rhs A pointer to a string. 1535*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1536*38fd1498Szrj */ 1537*38fd1498Szrj template<typename _Bi_iter> 1538*38fd1498Szrj inline bool 1539*38fd1498Szrj operator!=(const sub_match<_Bi_iter>& __lhs, 1540*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1541*38fd1498Szrj { return __lhs.str() != __rhs; } 1542*38fd1498Szrj 1543*38fd1498Szrj /** 1544*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1545*38fd1498Szrj * @param lhs A regular expression submatch. 1546*38fd1498Szrj * @param rhs A string. 1547*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1548*38fd1498Szrj */ 1549*38fd1498Szrj template<typename _Bi_iter> 1550*38fd1498Szrj inline bool 1551*38fd1498Szrj operator<(const sub_match<_Bi_iter>& __lhs, 1552*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1553*38fd1498Szrj { return __lhs.str() < __rhs; } 1554*38fd1498Szrj 1555*38fd1498Szrj /** 1556*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1557*38fd1498Szrj * @param lhs A regular expression submatch. 1558*38fd1498Szrj * @param rhs A string. 1559*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1560*38fd1498Szrj */ 1561*38fd1498Szrj template<typename _Bi_iter> 1562*38fd1498Szrj inline bool 1563*38fd1498Szrj operator>(const sub_match<_Bi_iter>& __lhs, 1564*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1565*38fd1498Szrj { return __lhs.str() > __rhs; } 1566*38fd1498Szrj 1567*38fd1498Szrj /** 1568*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1569*38fd1498Szrj * @param lhs A regular expression submatch. 1570*38fd1498Szrj * @param rhs A string. 1571*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1572*38fd1498Szrj */ 1573*38fd1498Szrj template<typename _Bi_iter> 1574*38fd1498Szrj inline bool 1575*38fd1498Szrj operator>=(const sub_match<_Bi_iter>& __lhs, 1576*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1577*38fd1498Szrj { return __lhs.str() >= __rhs; } 1578*38fd1498Szrj 1579*38fd1498Szrj /** 1580*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1581*38fd1498Szrj * @param lhs A regular expression submatch. 1582*38fd1498Szrj * @param rhs A string. 1583*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1584*38fd1498Szrj */ 1585*38fd1498Szrj template<typename _Bi_iter> 1586*38fd1498Szrj inline bool 1587*38fd1498Szrj operator<=(const sub_match<_Bi_iter>& __lhs, 1588*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const* __rhs) 1589*38fd1498Szrj { return __lhs.str() <= __rhs; } 1590*38fd1498Szrj 1591*38fd1498Szrj /** 1592*38fd1498Szrj * @brief Tests the equivalence of a string and a regular expression 1593*38fd1498Szrj * submatch. 1594*38fd1498Szrj * @param lhs A string. 1595*38fd1498Szrj * @param rhs A regular expression submatch. 1596*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1597*38fd1498Szrj */ 1598*38fd1498Szrj template<typename _Bi_iter> 1599*38fd1498Szrj inline bool 1600*38fd1498Szrj operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1601*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1602*38fd1498Szrj { return __lhs == __rhs.str(); } 1603*38fd1498Szrj 1604*38fd1498Szrj /** 1605*38fd1498Szrj * @brief Tests the inequivalence of a string and a regular expression 1606*38fd1498Szrj * submatch. 1607*38fd1498Szrj * @param lhs A string. 1608*38fd1498Szrj * @param rhs A regular expression submatch. 1609*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1610*38fd1498Szrj */ 1611*38fd1498Szrj template<typename _Bi_iter> 1612*38fd1498Szrj inline bool 1613*38fd1498Szrj operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1614*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1615*38fd1498Szrj { return __lhs != __rhs.str(); } 1616*38fd1498Szrj 1617*38fd1498Szrj /** 1618*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1619*38fd1498Szrj * @param lhs A string. 1620*38fd1498Szrj * @param rhs A regular expression submatch. 1621*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1622*38fd1498Szrj */ 1623*38fd1498Szrj template<typename _Bi_iter> 1624*38fd1498Szrj inline bool 1625*38fd1498Szrj operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1626*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1627*38fd1498Szrj { return __lhs < __rhs.str(); } 1628*38fd1498Szrj 1629*38fd1498Szrj /** 1630*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1631*38fd1498Szrj * @param lhs A string. 1632*38fd1498Szrj * @param rhs A regular expression submatch. 1633*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1634*38fd1498Szrj */ 1635*38fd1498Szrj template<typename _Bi_iter> 1636*38fd1498Szrj inline bool 1637*38fd1498Szrj operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1638*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1639*38fd1498Szrj { return __lhs > __rhs.str(); } 1640*38fd1498Szrj 1641*38fd1498Szrj /** 1642*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1643*38fd1498Szrj * @param lhs A string. 1644*38fd1498Szrj * @param rhs A regular expression submatch. 1645*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1646*38fd1498Szrj */ 1647*38fd1498Szrj template<typename _Bi_iter> 1648*38fd1498Szrj inline bool 1649*38fd1498Szrj operator>=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1650*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1651*38fd1498Szrj { return __lhs >= __rhs.str(); } 1652*38fd1498Szrj 1653*38fd1498Szrj /** 1654*38fd1498Szrj * @brief Tests the ordering of a string and a regular expression submatch. 1655*38fd1498Szrj * @param lhs A string. 1656*38fd1498Szrj * @param rhs A regular expression submatch. 1657*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1658*38fd1498Szrj */ 1659*38fd1498Szrj template<typename _Bi_iter> 1660*38fd1498Szrj inline bool 1661*38fd1498Szrj operator<=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, 1662*38fd1498Szrj const sub_match<_Bi_iter>& __rhs) 1663*38fd1498Szrj { return __lhs <= __rhs.str(); } 1664*38fd1498Szrj 1665*38fd1498Szrj /** 1666*38fd1498Szrj * @brief Tests the equivalence of a regular expression submatch and a 1667*38fd1498Szrj * string. 1668*38fd1498Szrj * @param lhs A regular expression submatch. 1669*38fd1498Szrj * @param rhs A const string reference. 1670*38fd1498Szrj * @returns true if @a lhs is equivalent to @a rhs, false otherwise. 1671*38fd1498Szrj */ 1672*38fd1498Szrj template<typename _Bi_iter> 1673*38fd1498Szrj inline bool 1674*38fd1498Szrj operator==(const sub_match<_Bi_iter>& __lhs, 1675*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1676*38fd1498Szrj { return __lhs.str() == __rhs; } 1677*38fd1498Szrj 1678*38fd1498Szrj /** 1679*38fd1498Szrj * @brief Tests the inequivalence of a regular expression submatch and a 1680*38fd1498Szrj * string. 1681*38fd1498Szrj * @param lhs A regular expression submatch. 1682*38fd1498Szrj * @param rhs A const string reference. 1683*38fd1498Szrj * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. 1684*38fd1498Szrj */ 1685*38fd1498Szrj template<typename _Bi_iter> 1686*38fd1498Szrj inline bool 1687*38fd1498Szrj operator!=(const sub_match<_Bi_iter>& __lhs, 1688*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1689*38fd1498Szrj { return __lhs.str() != __rhs; } 1690*38fd1498Szrj 1691*38fd1498Szrj /** 1692*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1693*38fd1498Szrj * @param lhs A regular expression submatch. 1694*38fd1498Szrj * @param rhs A const string reference. 1695*38fd1498Szrj * @returns true if @a lhs precedes @a rhs, false otherwise. 1696*38fd1498Szrj */ 1697*38fd1498Szrj template<typename _Bi_iter> 1698*38fd1498Szrj inline bool 1699*38fd1498Szrj operator<(const sub_match<_Bi_iter>& __lhs, 1700*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1701*38fd1498Szrj { return __lhs.str() < __rhs; } 1702*38fd1498Szrj 1703*38fd1498Szrj /** 1704*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1705*38fd1498Szrj * @param lhs A regular expression submatch. 1706*38fd1498Szrj * @param rhs A const string reference. 1707*38fd1498Szrj * @returns true if @a lhs succeeds @a rhs, false otherwise. 1708*38fd1498Szrj */ 1709*38fd1498Szrj template<typename _Bi_iter> 1710*38fd1498Szrj inline bool 1711*38fd1498Szrj operator>(const sub_match<_Bi_iter>& __lhs, 1712*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1713*38fd1498Szrj { return __lhs.str() > __rhs; } 1714*38fd1498Szrj 1715*38fd1498Szrj /** 1716*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1717*38fd1498Szrj * @param lhs A regular expression submatch. 1718*38fd1498Szrj * @param rhs A const string reference. 1719*38fd1498Szrj * @returns true if @a lhs does not precede @a rhs, false otherwise. 1720*38fd1498Szrj */ 1721*38fd1498Szrj template<typename _Bi_iter> 1722*38fd1498Szrj inline bool 1723*38fd1498Szrj operator>=(const sub_match<_Bi_iter>& __lhs, 1724*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1725*38fd1498Szrj { return __lhs.str() >= __rhs; } 1726*38fd1498Szrj 1727*38fd1498Szrj /** 1728*38fd1498Szrj * @brief Tests the ordering of a regular expression submatch and a string. 1729*38fd1498Szrj * @param lhs A regular expression submatch. 1730*38fd1498Szrj * @param rhs A const string reference. 1731*38fd1498Szrj * @returns true if @a lhs does not succeed @a rhs, false otherwise. 1732*38fd1498Szrj */ 1733*38fd1498Szrj template<typename _Bi_iter> 1734*38fd1498Szrj inline bool 1735*38fd1498Szrj operator<=(const sub_match<_Bi_iter>& __lhs, 1736*38fd1498Szrj typename iterator_traits<_Bi_iter>::value_type const& __rhs) 1737*38fd1498Szrj { return __lhs.str() <= __rhs; } 1738*38fd1498Szrj 1739*38fd1498Szrj /** 1740*38fd1498Szrj * @brief Inserts a matched string into an output stream. 1741*38fd1498Szrj * 1742*38fd1498Szrj * @param os The output stream. 1743*38fd1498Szrj * @param m A submatch string. 1744*38fd1498Szrj * 1745*38fd1498Szrj * @returns the output stream with the submatch string inserted. 1746*38fd1498Szrj */ 1747*38fd1498Szrj template<typename _Ch_type, typename _Ch_traits, typename _Bi_iter> 1748*38fd1498Szrj inline 1749*38fd1498Szrj basic_ostream<_Ch_type, _Ch_traits>& 1750*38fd1498Szrj operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, 1751*38fd1498Szrj const sub_match<_Bi_iter>& __m) 1752*38fd1498Szrj { return __os << __m.str(); } 1753*38fd1498Szrj 1754*38fd1498Szrj // [7.10] Class template match_results 1755*38fd1498Szrj /** 1756*38fd1498Szrj * @brief The results of a match or search operation. 1757*38fd1498Szrj * 1758*38fd1498Szrj * A collection of character sequences representing the result of a regular 1759*38fd1498Szrj * expression match. Storage for the collection is allocated and freed as 1760*38fd1498Szrj * necessary by the member functions of class template match_results. 1761*38fd1498Szrj * 1762*38fd1498Szrj * This class satisfies the Sequence requirements, with the exception that 1763*38fd1498Szrj * only the operations defined for a const-qualified Sequence are supported. 1764*38fd1498Szrj * 1765*38fd1498Szrj * The sub_match object stored at index 0 represents sub-expression 0, i.e. 1766*38fd1498Szrj * the whole match. In this case the sub_match member matched is always true. 1767*38fd1498Szrj * The sub_match object stored at index n denotes what matched the marked 1768*38fd1498Szrj * sub-expression n within the matched expression. If the sub-expression n 1769*38fd1498Szrj * participated in a regular expression match then the sub_match member 1770*38fd1498Szrj * matched evaluates to true, and members first and second denote the range 1771*38fd1498Szrj * of characters [first, second) which formed that match. Otherwise matched 1772*38fd1498Szrj * is false, and members first and second point to the end of the sequence 1773*38fd1498Szrj * that was searched. 1774*38fd1498Szrj * 1775*38fd1498Szrj * @nosubgrouping 1776*38fd1498Szrj */ 1777*38fd1498Szrj template<typename _Bi_iter, 1778*38fd1498Szrj typename _Allocator = allocator<sub_match<_Bi_iter> > > 1779*38fd1498Szrj class match_results 1780*38fd1498Szrj : private std::vector<std::tr1::sub_match<_Bi_iter>, _Allocator> 1781*38fd1498Szrj { 1782*38fd1498Szrj private: 1783*38fd1498Szrj typedef std::vector<std::tr1::sub_match<_Bi_iter>, _Allocator> 1784*38fd1498Szrj _Base_type; 1785*38fd1498Szrj 1786*38fd1498Szrj public: 1787*38fd1498Szrj /** 1788*38fd1498Szrj * @name 10.? Public Types 1789*38fd1498Szrj */ 1790*38fd1498Szrj //@{ 1791*38fd1498Szrj typedef sub_match<_Bi_iter> value_type; 1792*38fd1498Szrj typedef typename _Allocator::const_reference const_reference; 1793*38fd1498Szrj typedef const_reference reference; 1794*38fd1498Szrj typedef typename _Base_type::const_iterator const_iterator; 1795*38fd1498Szrj typedef const_iterator iterator; 1796*38fd1498Szrj typedef typename iterator_traits<_Bi_iter>::difference_type 1797*38fd1498Szrj difference_type; 1798*38fd1498Szrj typedef typename _Allocator::size_type size_type; 1799*38fd1498Szrj typedef _Allocator allocator_type; 1800*38fd1498Szrj typedef typename iterator_traits<_Bi_iter>::value_type char_type; 1801*38fd1498Szrj typedef basic_string<char_type> string_type; 1802*38fd1498Szrj //@} 1803*38fd1498Szrj 1804*38fd1498Szrj public: 1805*38fd1498Szrj /** 1806*38fd1498Szrj * @name 10.1 Construction, Copying, and Destruction 1807*38fd1498Szrj */ 1808*38fd1498Szrj //@{ 1809*38fd1498Szrj 1810*38fd1498Szrj /** 1811*38fd1498Szrj * @brief Constructs a default %match_results container. 1812*38fd1498Szrj * @post size() returns 0 and str() returns an empty string. 1813*38fd1498Szrj */ 1814*38fd1498Szrj explicit 1815*38fd1498Szrj match_results(const _Allocator& __a = _Allocator()) 1816*38fd1498Szrj : _Base_type(__a), _M_matched(false) 1817*38fd1498Szrj { } 1818*38fd1498Szrj 1819*38fd1498Szrj /** 1820*38fd1498Szrj * @brief Copy constructs a %match_results. 1821*38fd1498Szrj */ 1822*38fd1498Szrj match_results(const match_results& __rhs) 1823*38fd1498Szrj : _Base_type(__rhs), _M_matched(__rhs._M_matched), 1824*38fd1498Szrj _M_prefix(__rhs._M_prefix), _M_suffix(__rhs._M_suffix) 1825*38fd1498Szrj { } 1826*38fd1498Szrj 1827*38fd1498Szrj /** 1828*38fd1498Szrj * @brief Assigns rhs to *this. 1829*38fd1498Szrj */ 1830*38fd1498Szrj match_results& 1831*38fd1498Szrj operator=(const match_results& __rhs) 1832*38fd1498Szrj { 1833*38fd1498Szrj match_results __tmp(__rhs); 1834*38fd1498Szrj this->swap(__tmp); 1835*38fd1498Szrj return *this; 1836*38fd1498Szrj } 1837*38fd1498Szrj 1838*38fd1498Szrj /** 1839*38fd1498Szrj * @brief Destroys a %match_results object. 1840*38fd1498Szrj */ 1841*38fd1498Szrj ~match_results() 1842*38fd1498Szrj { } 1843*38fd1498Szrj 1844*38fd1498Szrj //@} 1845*38fd1498Szrj 1846*38fd1498Szrj /** 1847*38fd1498Szrj * @name 10.2 Size 1848*38fd1498Szrj */ 1849*38fd1498Szrj //@{ 1850*38fd1498Szrj 1851*38fd1498Szrj /** 1852*38fd1498Szrj * @brief Gets the number of matches and submatches. 1853*38fd1498Szrj * 1854*38fd1498Szrj * The number of matches for a given regular expression will be either 0 1855*38fd1498Szrj * if there was no match or mark_count() + 1 if a match was successful. 1856*38fd1498Szrj * Some matches may be empty. 1857*38fd1498Szrj * 1858*38fd1498Szrj * @returns the number of matches found. 1859*38fd1498Szrj */ 1860*38fd1498Szrj size_type 1861*38fd1498Szrj size() const 1862*38fd1498Szrj { return _M_matched ? _Base_type::size() + 1 : 0; } 1863*38fd1498Szrj 1864*38fd1498Szrj //size_type 1865*38fd1498Szrj //max_size() const; 1866*38fd1498Szrj using _Base_type::max_size; 1867*38fd1498Szrj 1868*38fd1498Szrj /** 1869*38fd1498Szrj * @brief Indicates if the %match_results contains no results. 1870*38fd1498Szrj * @retval true The %match_results object is empty. 1871*38fd1498Szrj * @retval false The %match_results object is not empty. 1872*38fd1498Szrj */ 1873*38fd1498Szrj bool 1874*38fd1498Szrj empty() const 1875*38fd1498Szrj { return size() == 0; } 1876*38fd1498Szrj 1877*38fd1498Szrj //@} 1878*38fd1498Szrj 1879*38fd1498Szrj /** 1880*38fd1498Szrj * @name 10.3 Element Access 1881*38fd1498Szrj */ 1882*38fd1498Szrj //@{ 1883*38fd1498Szrj 1884*38fd1498Szrj /** 1885*38fd1498Szrj * @brief Gets the length of the indicated submatch. 1886*38fd1498Szrj * @param sub indicates the submatch. 1887*38fd1498Szrj * 1888*38fd1498Szrj * This function returns the length of the indicated submatch, or the 1889*38fd1498Szrj * length of the entire match if @p sub is zero (the default). 1890*38fd1498Szrj */ 1891*38fd1498Szrj difference_type 1892*38fd1498Szrj length(size_type __sub = 0) const 1893*38fd1498Szrj { return _M_matched ? this->str(__sub).length() : 0; } 1894*38fd1498Szrj 1895*38fd1498Szrj /** 1896*38fd1498Szrj * @brief Gets the offset of the beginning of the indicated submatch. 1897*38fd1498Szrj * @param sub indicates the submatch. 1898*38fd1498Szrj * 1899*38fd1498Szrj * This function returns the offset from the beginning of the target 1900*38fd1498Szrj * sequence to the beginning of the submatch, unless the value of @p sub 1901*38fd1498Szrj * is zero (the default), in which case this function returns the offset 1902*38fd1498Szrj * from the beginning of the target sequence to the beginning of the 1903*38fd1498Szrj * match. 1904*38fd1498Szrj */ 1905*38fd1498Szrj difference_type 1906*38fd1498Szrj position(size_type __sub = 0) const 1907*38fd1498Szrj { 1908*38fd1498Szrj return _M_matched ? std::distance(this->prefix().first, 1909*38fd1498Szrj (*this)[__sub].first) : 0; 1910*38fd1498Szrj } 1911*38fd1498Szrj 1912*38fd1498Szrj /** 1913*38fd1498Szrj * @brief Gets the match or submatch converted to a string type. 1914*38fd1498Szrj * @param sub indicates the submatch. 1915*38fd1498Szrj * 1916*38fd1498Szrj * This function gets the submatch (or match, if @p sub is zero) extracted 1917*38fd1498Szrj * from the target range and converted to the associated string type. 1918*38fd1498Szrj */ 1919*38fd1498Szrj string_type 1920*38fd1498Szrj str(size_type __sub = 0) const 1921*38fd1498Szrj { return _M_matched ? (*this)[__sub].str() : string_type(); } 1922*38fd1498Szrj 1923*38fd1498Szrj /** 1924*38fd1498Szrj * @brief Gets a %sub_match reference for the match or submatch. 1925*38fd1498Szrj * @param sub indicates the submatch. 1926*38fd1498Szrj * 1927*38fd1498Szrj * This function gets a reference to the indicated submatch, or the entire 1928*38fd1498Szrj * match if @p sub is zero. 1929*38fd1498Szrj * 1930*38fd1498Szrj * If @p sub >= size() then this function returns a %sub_match with a 1931*38fd1498Szrj * special value indicating no submatch. 1932*38fd1498Szrj */ 1933*38fd1498Szrj const_reference 1934*38fd1498Szrj operator[](size_type __sub) const 1935*38fd1498Szrj { return _Base_type::operator[](__sub); } 1936*38fd1498Szrj 1937*38fd1498Szrj /** 1938*38fd1498Szrj * @brief Gets a %sub_match representing the match prefix. 1939*38fd1498Szrj * 1940*38fd1498Szrj * This function gets a reference to a %sub_match object representing the 1941*38fd1498Szrj * part of the target range between the start of the target range and the 1942*38fd1498Szrj * start of the match. 1943*38fd1498Szrj */ 1944*38fd1498Szrj const_reference 1945*38fd1498Szrj prefix() const 1946*38fd1498Szrj { return _M_prefix; } 1947*38fd1498Szrj 1948*38fd1498Szrj /** 1949*38fd1498Szrj * @brief Gets a %sub_match representing the match suffix. 1950*38fd1498Szrj * 1951*38fd1498Szrj * This function gets a reference to a %sub_match object representing the 1952*38fd1498Szrj * part of the target range between the end of the match and the end of 1953*38fd1498Szrj * the target range. 1954*38fd1498Szrj */ 1955*38fd1498Szrj const_reference 1956*38fd1498Szrj suffix() const 1957*38fd1498Szrj { return _M_suffix; } 1958*38fd1498Szrj 1959*38fd1498Szrj /** 1960*38fd1498Szrj * @brief Gets an iterator to the start of the %sub_match collection. 1961*38fd1498Szrj */ 1962*38fd1498Szrj const_iterator 1963*38fd1498Szrj begin() const 1964*38fd1498Szrj { return _Base_type::begin(); } 1965*38fd1498Szrj 1966*38fd1498Szrj#ifdef _GLIBCXX_INCLUDE_AS_CXX11 1967*38fd1498Szrj /** 1968*38fd1498Szrj * @brief Gets an iterator to the start of the %sub_match collection. 1969*38fd1498Szrj */ 1970*38fd1498Szrj const_iterator 1971*38fd1498Szrj cbegin() const 1972*38fd1498Szrj { return _Base_type::begin(); } 1973*38fd1498Szrj#endif 1974*38fd1498Szrj 1975*38fd1498Szrj /** 1976*38fd1498Szrj * @brief Gets an iterator to one-past-the-end of the collection. 1977*38fd1498Szrj */ 1978*38fd1498Szrj const_iterator 1979*38fd1498Szrj end() const 1980*38fd1498Szrj { return _Base_type::end(); } 1981*38fd1498Szrj 1982*38fd1498Szrj#ifdef _GLIBCXX_INCLUDE_AS_CXX11 1983*38fd1498Szrj /** 1984*38fd1498Szrj * @brief Gets an iterator to one-past-the-end of the collection. 1985*38fd1498Szrj */ 1986*38fd1498Szrj const_iterator 1987*38fd1498Szrj cend() const 1988*38fd1498Szrj { return _Base_type::end(); } 1989*38fd1498Szrj#endif 1990*38fd1498Szrj 1991*38fd1498Szrj //@} 1992*38fd1498Szrj 1993*38fd1498Szrj /** 1994*38fd1498Szrj * @name 10.4 Formatting 1995*38fd1498Szrj * 1996*38fd1498Szrj * These functions perform formatted substitution of the matched 1997*38fd1498Szrj * character sequences into their target. The format specifiers 1998*38fd1498Szrj * and escape sequences accepted by these functions are 1999*38fd1498Szrj * determined by their @p flags parameter as documented above. 2000*38fd1498Szrj */ 2001*38fd1498Szrj //@{ 2002*38fd1498Szrj 2003*38fd1498Szrj /** 2004*38fd1498Szrj * @todo Implement this function. 2005*38fd1498Szrj */ 2006*38fd1498Szrj template<typename _Out_iter> 2007*38fd1498Szrj _Out_iter 2008*38fd1498Szrj format(_Out_iter __out, const string_type& __fmt, 2009*38fd1498Szrj regex_constants::match_flag_type __flags 2010*38fd1498Szrj = regex_constants::format_default) const; 2011*38fd1498Szrj 2012*38fd1498Szrj /** 2013*38fd1498Szrj * @todo Implement this function. 2014*38fd1498Szrj */ 2015*38fd1498Szrj string_type 2016*38fd1498Szrj format(const string_type& __fmt, 2017*38fd1498Szrj regex_constants::match_flag_type __flags 2018*38fd1498Szrj = regex_constants::format_default) const; 2019*38fd1498Szrj 2020*38fd1498Szrj //@} 2021*38fd1498Szrj 2022*38fd1498Szrj /** 2023*38fd1498Szrj * @name 10.5 Allocator 2024*38fd1498Szrj */ 2025*38fd1498Szrj //@{ 2026*38fd1498Szrj 2027*38fd1498Szrj /** 2028*38fd1498Szrj * @brief Gets a copy of the allocator. 2029*38fd1498Szrj */ 2030*38fd1498Szrj //allocator_type 2031*38fd1498Szrj //get_allocator() const; 2032*38fd1498Szrj using _Base_type::get_allocator; 2033*38fd1498Szrj 2034*38fd1498Szrj //@} 2035*38fd1498Szrj 2036*38fd1498Szrj /** 2037*38fd1498Szrj * @name 10.6 Swap 2038*38fd1498Szrj */ 2039*38fd1498Szrj //@{ 2040*38fd1498Szrj 2041*38fd1498Szrj /** 2042*38fd1498Szrj * @brief Swaps the contents of two match_results. 2043*38fd1498Szrj */ 2044*38fd1498Szrj void 2045*38fd1498Szrj swap(match_results& __that) 2046*38fd1498Szrj { 2047*38fd1498Szrj _Base_type::swap(__that); 2048*38fd1498Szrj std::swap(_M_matched, __that._M_matched); 2049*38fd1498Szrj std::swap(_M_prefix, __that._M_prefix); 2050*38fd1498Szrj std::swap(_M_suffix, __that._M_suffix); 2051*38fd1498Szrj } 2052*38fd1498Szrj //@} 2053*38fd1498Szrj 2054*38fd1498Szrj private: 2055*38fd1498Szrj bool _M_matched; 2056*38fd1498Szrj value_type _M_prefix; 2057*38fd1498Szrj value_type _M_suffix; 2058*38fd1498Szrj }; 2059*38fd1498Szrj 2060*38fd1498Szrj typedef match_results<const char*> cmatch; 2061*38fd1498Szrj typedef match_results<string::const_iterator> smatch; 2062*38fd1498Szrj#ifdef _GLIBCXX_USE_WCHAR_T 2063*38fd1498Szrj typedef match_results<const wchar_t*> wcmatch; 2064*38fd1498Szrj typedef match_results<wstring::const_iterator> wsmatch; 2065*38fd1498Szrj#endif 2066*38fd1498Szrj 2067*38fd1498Szrj // match_results comparisons 2068*38fd1498Szrj /** 2069*38fd1498Szrj * @brief Compares two match_results for equality. 2070*38fd1498Szrj * @returns true if the two objects refer to the same match, 2071*38fd1498Szrj * false otherwise. 2072*38fd1498Szrj * @todo Implement this function. 2073*38fd1498Szrj */ 2074*38fd1498Szrj template<typename _Bi_iter, typename _Allocator> 2075*38fd1498Szrj inline bool 2076*38fd1498Szrj operator==(const match_results<_Bi_iter, _Allocator>& __m1, 2077*38fd1498Szrj const match_results<_Bi_iter, _Allocator>& __m2); 2078*38fd1498Szrj 2079*38fd1498Szrj /** 2080*38fd1498Szrj * @brief Compares two match_results for inequality. 2081*38fd1498Szrj * @returns true if the two objects do not refer to the same match, 2082*38fd1498Szrj * false otherwise. 2083*38fd1498Szrj */ 2084*38fd1498Szrj template<typename _Bi_iter, class _Allocator> 2085*38fd1498Szrj inline bool 2086*38fd1498Szrj operator!=(const match_results<_Bi_iter, _Allocator>& __m1, 2087*38fd1498Szrj const match_results<_Bi_iter, _Allocator>& __m2) 2088*38fd1498Szrj { return !(__m1 == __m2); } 2089*38fd1498Szrj 2090*38fd1498Szrj // [7.10.6] match_results swap 2091*38fd1498Szrj /** 2092*38fd1498Szrj * @brief Swaps two match results. 2093*38fd1498Szrj * @param lhs A match result. 2094*38fd1498Szrj * @param rhs A match result. 2095*38fd1498Szrj * 2096*38fd1498Szrj * The contents of the two match_results objects are swapped. 2097*38fd1498Szrj */ 2098*38fd1498Szrj template<typename _Bi_iter, typename _Allocator> 2099*38fd1498Szrj inline void 2100*38fd1498Szrj swap(match_results<_Bi_iter, _Allocator>& __lhs, 2101*38fd1498Szrj match_results<_Bi_iter, _Allocator>& __rhs) 2102*38fd1498Szrj { __lhs.swap(__rhs); } 2103*38fd1498Szrj 2104*38fd1498Szrj // [7.11.2] Function template regex_match 2105*38fd1498Szrj /** 2106*38fd1498Szrj * @name Matching, Searching, and Replacing 2107*38fd1498Szrj */ 2108*38fd1498Szrj //@{ 2109*38fd1498Szrj 2110*38fd1498Szrj /** 2111*38fd1498Szrj * @brief Determines if there is a match between the regular expression @p e 2112*38fd1498Szrj * and all of the character sequence [first, last). 2113*38fd1498Szrj * 2114*38fd1498Szrj * @param first Beginning of the character sequence to match. 2115*38fd1498Szrj * @param last One-past-the-end of the character sequence to match. 2116*38fd1498Szrj * @param m The match results. 2117*38fd1498Szrj * @param re The regular expression. 2118*38fd1498Szrj * @param flags Controls how the regular expression is matched. 2119*38fd1498Szrj * 2120*38fd1498Szrj * @retval true A match exists. 2121*38fd1498Szrj * @retval false Otherwise. 2122*38fd1498Szrj * 2123*38fd1498Szrj * @throws an exception of type regex_error. 2124*38fd1498Szrj * 2125*38fd1498Szrj * @todo Implement this function. 2126*38fd1498Szrj */ 2127*38fd1498Szrj template<typename _Bi_iter, typename _Allocator, 2128*38fd1498Szrj typename _Ch_type, typename _Rx_traits> 2129*38fd1498Szrj bool 2130*38fd1498Szrj regex_match(_Bi_iter __first, _Bi_iter __last, 2131*38fd1498Szrj match_results<_Bi_iter, _Allocator>& __m, 2132*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2133*38fd1498Szrj regex_constants::match_flag_type __flags 2134*38fd1498Szrj = regex_constants::match_default); 2135*38fd1498Szrj 2136*38fd1498Szrj /** 2137*38fd1498Szrj * @brief Indicates if there is a match between the regular expression @p e 2138*38fd1498Szrj * and all of the character sequence [first, last). 2139*38fd1498Szrj * 2140*38fd1498Szrj * @param first Beginning of the character sequence to match. 2141*38fd1498Szrj * @param last One-past-the-end of the character sequence to match. 2142*38fd1498Szrj * @param re The regular expression. 2143*38fd1498Szrj * @param flags Controls how the regular expression is matched. 2144*38fd1498Szrj * 2145*38fd1498Szrj * @retval true A match exists. 2146*38fd1498Szrj * @retval false Otherwise. 2147*38fd1498Szrj * 2148*38fd1498Szrj * @throws an exception of type regex_error. 2149*38fd1498Szrj */ 2150*38fd1498Szrj template<typename _Bi_iter, typename _Ch_type, typename _Rx_traits> 2151*38fd1498Szrj bool 2152*38fd1498Szrj regex_match(_Bi_iter __first, _Bi_iter __last, 2153*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2154*38fd1498Szrj regex_constants::match_flag_type __flags 2155*38fd1498Szrj = regex_constants::match_default) 2156*38fd1498Szrj { 2157*38fd1498Szrj match_results<_Bi_iter> __what; 2158*38fd1498Szrj return regex_match(__first, __last, __what, __re, __flags); 2159*38fd1498Szrj } 2160*38fd1498Szrj 2161*38fd1498Szrj /** 2162*38fd1498Szrj * @brief Determines if there is a match between the regular expression @p e 2163*38fd1498Szrj * and a C-style null-terminated string. 2164*38fd1498Szrj * 2165*38fd1498Szrj * @param s The C-style null-terminated string to match. 2166*38fd1498Szrj * @param m The match results. 2167*38fd1498Szrj * @param re The regular expression. 2168*38fd1498Szrj * @param f Controls how the regular expression is matched. 2169*38fd1498Szrj * 2170*38fd1498Szrj * @retval true A match exists. 2171*38fd1498Szrj * @retval false Otherwise. 2172*38fd1498Szrj * 2173*38fd1498Szrj * @throws an exception of type regex_error. 2174*38fd1498Szrj */ 2175*38fd1498Szrj template<typename _Ch_type, typename _Allocator, typename _Rx_traits> 2176*38fd1498Szrj inline bool 2177*38fd1498Szrj regex_match(const _Ch_type* __s, 2178*38fd1498Szrj match_results<const _Ch_type*, _Allocator>& __m, 2179*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2180*38fd1498Szrj regex_constants::match_flag_type __f 2181*38fd1498Szrj = regex_constants::match_default) 2182*38fd1498Szrj { return regex_match(__s, __s + _Rx_traits::length(__s), __m, __re, __f); } 2183*38fd1498Szrj 2184*38fd1498Szrj /** 2185*38fd1498Szrj * @brief Determines if there is a match between the regular expression @p e 2186*38fd1498Szrj * and a string. 2187*38fd1498Szrj * 2188*38fd1498Szrj * @param s The string to match. 2189*38fd1498Szrj * @param m The match results. 2190*38fd1498Szrj * @param re The regular expression. 2191*38fd1498Szrj * @param flags Controls how the regular expression is matched. 2192*38fd1498Szrj * 2193*38fd1498Szrj * @retval true A match exists. 2194*38fd1498Szrj * @retval false Otherwise. 2195*38fd1498Szrj * 2196*38fd1498Szrj * @throws an exception of type regex_error. 2197*38fd1498Szrj */ 2198*38fd1498Szrj template<typename _Ch_traits, typename _Ch_alloc, 2199*38fd1498Szrj typename _Allocator, typename _Ch_type, typename _Rx_traits> 2200*38fd1498Szrj inline bool 2201*38fd1498Szrj regex_match(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, 2202*38fd1498Szrj match_results<typename basic_string<_Ch_type, 2203*38fd1498Szrj _Ch_traits, _Ch_alloc>::const_iterator, _Allocator>& __m, 2204*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2205*38fd1498Szrj regex_constants::match_flag_type __flags 2206*38fd1498Szrj = regex_constants::match_default) 2207*38fd1498Szrj { return regex_match(__s.begin(), __s.end(), __m, __re, __flags); } 2208*38fd1498Szrj 2209*38fd1498Szrj /** 2210*38fd1498Szrj * @brief Indicates if there is a match between the regular expression @p e 2211*38fd1498Szrj * and a C-style null-terminated string. 2212*38fd1498Szrj * 2213*38fd1498Szrj * @param s The C-style null-terminated string to match. 2214*38fd1498Szrj * @param re The regular expression. 2215*38fd1498Szrj * @param f Controls how the regular expression is matched. 2216*38fd1498Szrj * 2217*38fd1498Szrj * @retval true A match exists. 2218*38fd1498Szrj * @retval false Otherwise. 2219*38fd1498Szrj * 2220*38fd1498Szrj * @throws an exception of type regex_error. 2221*38fd1498Szrj */ 2222*38fd1498Szrj template<typename _Ch_type, class _Rx_traits> 2223*38fd1498Szrj inline bool 2224*38fd1498Szrj regex_match(const _Ch_type* __s, 2225*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2226*38fd1498Szrj regex_constants::match_flag_type __f 2227*38fd1498Szrj = regex_constants::match_default) 2228*38fd1498Szrj { return regex_match(__s, __s + _Rx_traits::length(__s), __re, __f); } 2229*38fd1498Szrj 2230*38fd1498Szrj /** 2231*38fd1498Szrj * @brief Indicates if there is a match between the regular expression @p e 2232*38fd1498Szrj * and a string. 2233*38fd1498Szrj * 2234*38fd1498Szrj * @param s [IN] The string to match. 2235*38fd1498Szrj * @param re [IN] The regular expression. 2236*38fd1498Szrj * @param flags [IN] Controls how the regular expression is matched. 2237*38fd1498Szrj * 2238*38fd1498Szrj * @retval true A match exists. 2239*38fd1498Szrj * @retval false Otherwise. 2240*38fd1498Szrj * 2241*38fd1498Szrj * @throws an exception of type regex_error. 2242*38fd1498Szrj */ 2243*38fd1498Szrj template<typename _Ch_traits, typename _Str_allocator, 2244*38fd1498Szrj typename _Ch_type, typename _Rx_traits> 2245*38fd1498Szrj inline bool 2246*38fd1498Szrj regex_match(const basic_string<_Ch_type, _Ch_traits, _Str_allocator>& __s, 2247*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2248*38fd1498Szrj regex_constants::match_flag_type __flags 2249*38fd1498Szrj = regex_constants::match_default) 2250*38fd1498Szrj { return regex_match(__s.begin(), __s.end(), __re, __flags); } 2251*38fd1498Szrj 2252*38fd1498Szrj // [7.11.3] Function template regex_search 2253*38fd1498Szrj /** 2254*38fd1498Szrj * Searches for a regular expression within a range. 2255*38fd1498Szrj * @param first [IN] The start of the string to search. 2256*38fd1498Szrj * @param last [IN] One-past-the-end of the string to search. 2257*38fd1498Szrj * @param m [OUT] The match results. 2258*38fd1498Szrj * @param re [IN] The regular expression to search for. 2259*38fd1498Szrj * @param flags [IN] Search policy flags. 2260*38fd1498Szrj * @retval true A match was found within the string. 2261*38fd1498Szrj * @retval false No match was found within the string, the content of %m is 2262*38fd1498Szrj * undefined. 2263*38fd1498Szrj * 2264*38fd1498Szrj * @throws an exception of type regex_error. 2265*38fd1498Szrj * 2266*38fd1498Szrj * @todo Implement this function. 2267*38fd1498Szrj */ 2268*38fd1498Szrj template<typename _Bi_iter, typename _Allocator, 2269*38fd1498Szrj typename _Ch_type, typename _Rx_traits> 2270*38fd1498Szrj inline bool 2271*38fd1498Szrj regex_search(_Bi_iter __first, _Bi_iter __last, 2272*38fd1498Szrj match_results<_Bi_iter, _Allocator>& __m, 2273*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2274*38fd1498Szrj regex_constants::match_flag_type __flags 2275*38fd1498Szrj = regex_constants::match_default); 2276*38fd1498Szrj 2277*38fd1498Szrj /** 2278*38fd1498Szrj * Searches for a regular expression within a range. 2279*38fd1498Szrj * @param first [IN] The start of the string to search. 2280*38fd1498Szrj * @param last [IN] One-past-the-end of the string to search. 2281*38fd1498Szrj * @param re [IN] The regular expression to search for. 2282*38fd1498Szrj * @param flags [IN] Search policy flags. 2283*38fd1498Szrj * @retval true A match was found within the string. 2284*38fd1498Szrj * @retval false No match was found within the string. 2285*38fd1498Szrj * @doctodo 2286*38fd1498Szrj * 2287*38fd1498Szrj * @throws an exception of type regex_error. 2288*38fd1498Szrj */ 2289*38fd1498Szrj template<typename _Bi_iter, typename _Ch_type, typename _Rx_traits> 2290*38fd1498Szrj inline bool 2291*38fd1498Szrj regex_search(_Bi_iter __first, _Bi_iter __last, 2292*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __re, 2293*38fd1498Szrj regex_constants::match_flag_type __flags 2294*38fd1498Szrj = regex_constants::match_default) 2295*38fd1498Szrj { 2296*38fd1498Szrj match_results<_Bi_iter> __what; 2297*38fd1498Szrj return regex_search(__first, __last, __what, __re, __flags); 2298*38fd1498Szrj } 2299*38fd1498Szrj 2300*38fd1498Szrj /** 2301*38fd1498Szrj * @brief Searches for a regular expression within a C-string. 2302*38fd1498Szrj * @param s [IN] A C-string to search for the regex. 2303*38fd1498Szrj * @param m [OUT] The set of regex matches. 2304*38fd1498Szrj * @param e [IN] The regex to search for in @p s. 2305*38fd1498Szrj * @param f [IN] The search flags. 2306*38fd1498Szrj * @retval true A match was found within the string. 2307*38fd1498Szrj * @retval false No match was found within the string, the content of %m is 2308*38fd1498Szrj * undefined. 2309*38fd1498Szrj * @doctodo 2310*38fd1498Szrj * 2311*38fd1498Szrj * @throws an exception of type regex_error. 2312*38fd1498Szrj */ 2313*38fd1498Szrj template<typename _Ch_type, class _Allocator, class _Rx_traits> 2314*38fd1498Szrj inline bool 2315*38fd1498Szrj regex_search(const _Ch_type* __s, 2316*38fd1498Szrj match_results<const _Ch_type*, _Allocator>& __m, 2317*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2318*38fd1498Szrj regex_constants::match_flag_type __f 2319*38fd1498Szrj = regex_constants::match_default) 2320*38fd1498Szrj { return regex_search(__s, __s + _Rx_traits::length(__s), __m, __e, __f); } 2321*38fd1498Szrj 2322*38fd1498Szrj /** 2323*38fd1498Szrj * @brief Searches for a regular expression within a C-string. 2324*38fd1498Szrj * @param s [IN] The C-string to search. 2325*38fd1498Szrj * @param e [IN] The regular expression to search for. 2326*38fd1498Szrj * @param f [IN] Search policy flags. 2327*38fd1498Szrj * @retval true A match was found within the string. 2328*38fd1498Szrj * @retval false No match was found within the string. 2329*38fd1498Szrj * @doctodo 2330*38fd1498Szrj * 2331*38fd1498Szrj * @throws an exception of type regex_error. 2332*38fd1498Szrj */ 2333*38fd1498Szrj template<typename _Ch_type, typename _Rx_traits> 2334*38fd1498Szrj inline bool 2335*38fd1498Szrj regex_search(const _Ch_type* __s, 2336*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2337*38fd1498Szrj regex_constants::match_flag_type __f 2338*38fd1498Szrj = regex_constants::match_default) 2339*38fd1498Szrj { return regex_search(__s, __s + _Rx_traits::length(__s), __e, __f); } 2340*38fd1498Szrj 2341*38fd1498Szrj /** 2342*38fd1498Szrj * @brief Searches for a regular expression within a string. 2343*38fd1498Szrj * @param s [IN] The string to search. 2344*38fd1498Szrj * @param e [IN] The regular expression to search for. 2345*38fd1498Szrj * @param flags [IN] Search policy flags. 2346*38fd1498Szrj * @retval true A match was found within the string. 2347*38fd1498Szrj * @retval false No match was found within the string. 2348*38fd1498Szrj * @doctodo 2349*38fd1498Szrj * 2350*38fd1498Szrj * @throws an exception of type regex_error. 2351*38fd1498Szrj */ 2352*38fd1498Szrj template<typename _Ch_traits, typename _String_allocator, 2353*38fd1498Szrj typename _Ch_type, typename _Rx_traits> 2354*38fd1498Szrj inline bool 2355*38fd1498Szrj regex_search(const basic_string<_Ch_type, _Ch_traits, 2356*38fd1498Szrj _String_allocator>& __s, 2357*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2358*38fd1498Szrj regex_constants::match_flag_type __flags 2359*38fd1498Szrj = regex_constants::match_default) 2360*38fd1498Szrj { return regex_search(__s.begin(), __s.end(), __e, __flags); } 2361*38fd1498Szrj 2362*38fd1498Szrj /** 2363*38fd1498Szrj * @brief Searches for a regular expression within a string. 2364*38fd1498Szrj * @param s [IN] A C++ string to search for the regex. 2365*38fd1498Szrj * @param m [OUT] The set of regex matches. 2366*38fd1498Szrj * @param e [IN] The regex to search for in @p s. 2367*38fd1498Szrj * @param f [IN] The search flags. 2368*38fd1498Szrj * @retval true A match was found within the string. 2369*38fd1498Szrj * @retval false No match was found within the string, the content of %m is 2370*38fd1498Szrj * undefined. 2371*38fd1498Szrj * 2372*38fd1498Szrj * @throws an exception of type regex_error. 2373*38fd1498Szrj */ 2374*38fd1498Szrj template<typename _Ch_traits, typename _Ch_alloc, 2375*38fd1498Szrj typename _Allocator, typename _Ch_type, 2376*38fd1498Szrj typename _Rx_traits> 2377*38fd1498Szrj inline bool 2378*38fd1498Szrj regex_search(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, 2379*38fd1498Szrj match_results<typename basic_string<_Ch_type, 2380*38fd1498Szrj _Ch_traits, _Ch_alloc>::const_iterator, _Allocator>& __m, 2381*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2382*38fd1498Szrj regex_constants::match_flag_type __f 2383*38fd1498Szrj = regex_constants::match_default) 2384*38fd1498Szrj { return regex_search(__s.begin(), __s.end(), __m, __e, __f); } 2385*38fd1498Szrj 2386*38fd1498Szrj // tr1 [7.11.4] std [28.11.4] Function template regex_replace 2387*38fd1498Szrj /** 2388*38fd1498Szrj * @doctodo 2389*38fd1498Szrj * @param out 2390*38fd1498Szrj * @param first 2391*38fd1498Szrj * @param last 2392*38fd1498Szrj * @param e 2393*38fd1498Szrj * @param fmt 2394*38fd1498Szrj * @param flags 2395*38fd1498Szrj * 2396*38fd1498Szrj * @returns out 2397*38fd1498Szrj * @throws an exception of type regex_error. 2398*38fd1498Szrj * 2399*38fd1498Szrj * @todo Implement this function. 2400*38fd1498Szrj */ 2401*38fd1498Szrj template<typename _Out_iter, typename _Bi_iter, 2402*38fd1498Szrj typename _Rx_traits, typename _Ch_type> 2403*38fd1498Szrj inline _Out_iter 2404*38fd1498Szrj regex_replace(_Out_iter __out, _Bi_iter __first, _Bi_iter __last, 2405*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2406*38fd1498Szrj const basic_string<_Ch_type>& __fmt, 2407*38fd1498Szrj regex_constants::match_flag_type __flags 2408*38fd1498Szrj = regex_constants::match_default); 2409*38fd1498Szrj 2410*38fd1498Szrj /** 2411*38fd1498Szrj * @doctodo 2412*38fd1498Szrj * @param s 2413*38fd1498Szrj * @param e 2414*38fd1498Szrj * @param fmt 2415*38fd1498Szrj * @param flags 2416*38fd1498Szrj * 2417*38fd1498Szrj * @returns a copy of string @p s with replacements. 2418*38fd1498Szrj * 2419*38fd1498Szrj * @throws an exception of type regex_error. 2420*38fd1498Szrj */ 2421*38fd1498Szrj template<typename _Rx_traits, typename _Ch_type> 2422*38fd1498Szrj inline basic_string<_Ch_type> 2423*38fd1498Szrj regex_replace(const basic_string<_Ch_type>& __s, 2424*38fd1498Szrj const basic_regex<_Ch_type, _Rx_traits>& __e, 2425*38fd1498Szrj const basic_string<_Ch_type>& __fmt, 2426*38fd1498Szrj regex_constants::match_flag_type __flags 2427*38fd1498Szrj = regex_constants::match_default) 2428*38fd1498Szrj { 2429*38fd1498Szrj std::string __result; 2430*38fd1498Szrj regex_replace(std::back_inserter(__result), 2431*38fd1498Szrj __s.begin(), __s.end(), __e, __fmt, __flags); 2432*38fd1498Szrj return __result; 2433*38fd1498Szrj } 2434*38fd1498Szrj 2435*38fd1498Szrj //@} 2436*38fd1498Szrj 2437*38fd1498Szrj // tr1 [7.12.1] std [28.12] Class template regex_iterator 2438*38fd1498Szrj /** 2439*38fd1498Szrj * An iterator adaptor that will provide repeated calls of regex_search over 2440*38fd1498Szrj * a range until no more matches remain. 2441*38fd1498Szrj */ 2442*38fd1498Szrj template<typename _Bi_iter, 2443*38fd1498Szrj typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, 2444*38fd1498Szrj typename _Rx_traits = regex_traits<_Ch_type> > 2445*38fd1498Szrj class regex_iterator 2446*38fd1498Szrj { 2447*38fd1498Szrj public: 2448*38fd1498Szrj typedef basic_regex<_Ch_type, _Rx_traits> regex_type; 2449*38fd1498Szrj typedef match_results<_Bi_iter> value_type; 2450*38fd1498Szrj typedef std::ptrdiff_t difference_type; 2451*38fd1498Szrj typedef const value_type* pointer; 2452*38fd1498Szrj typedef const value_type& reference; 2453*38fd1498Szrj typedef std::forward_iterator_tag iterator_category; 2454*38fd1498Szrj 2455*38fd1498Szrj public: 2456*38fd1498Szrj /** 2457*38fd1498Szrj * @brief Provides a singular iterator, useful for indicating 2458*38fd1498Szrj * one-past-the-end of a range. 2459*38fd1498Szrj * @todo Implement this function. 2460*38fd1498Szrj * @doctodo 2461*38fd1498Szrj */ 2462*38fd1498Szrj regex_iterator(); 2463*38fd1498Szrj 2464*38fd1498Szrj /** 2465*38fd1498Szrj * Constructs a %regex_iterator... 2466*38fd1498Szrj * @param a [IN] The start of a text range to search. 2467*38fd1498Szrj * @param b [IN] One-past-the-end of the text range to search. 2468*38fd1498Szrj * @param re [IN] The regular expression to match. 2469*38fd1498Szrj * @param m [IN] Policy flags for match rules. 2470*38fd1498Szrj * @todo Implement this function. 2471*38fd1498Szrj * @doctodo 2472*38fd1498Szrj */ 2473*38fd1498Szrj regex_iterator(_Bi_iter __a, _Bi_iter __b, const regex_type& __re, 2474*38fd1498Szrj regex_constants::match_flag_type __m 2475*38fd1498Szrj = regex_constants::match_default); 2476*38fd1498Szrj 2477*38fd1498Szrj /** 2478*38fd1498Szrj * Copy constructs a %regex_iterator. 2479*38fd1498Szrj * @todo Implement this function. 2480*38fd1498Szrj * @doctodo 2481*38fd1498Szrj */ 2482*38fd1498Szrj regex_iterator(const regex_iterator& __rhs); 2483*38fd1498Szrj 2484*38fd1498Szrj /** 2485*38fd1498Szrj * @todo Implement this function. 2486*38fd1498Szrj * @doctodo 2487*38fd1498Szrj */ 2488*38fd1498Szrj regex_iterator& 2489*38fd1498Szrj operator=(const regex_iterator& __rhs); 2490*38fd1498Szrj 2491*38fd1498Szrj /** 2492*38fd1498Szrj * @todo Implement this function. 2493*38fd1498Szrj * @doctodo 2494*38fd1498Szrj */ 2495*38fd1498Szrj bool 2496*38fd1498Szrj operator==(const regex_iterator& __rhs); 2497*38fd1498Szrj 2498*38fd1498Szrj /** 2499*38fd1498Szrj * @todo Implement this function. 2500*38fd1498Szrj * @doctodo 2501*38fd1498Szrj */ 2502*38fd1498Szrj bool 2503*38fd1498Szrj operator!=(const regex_iterator& __rhs); 2504*38fd1498Szrj 2505*38fd1498Szrj /** 2506*38fd1498Szrj * @todo Implement this function. 2507*38fd1498Szrj * @doctodo 2508*38fd1498Szrj */ 2509*38fd1498Szrj const value_type& 2510*38fd1498Szrj operator*(); 2511*38fd1498Szrj 2512*38fd1498Szrj /** 2513*38fd1498Szrj * @todo Implement this function. 2514*38fd1498Szrj * @doctodo 2515*38fd1498Szrj */ 2516*38fd1498Szrj const value_type* 2517*38fd1498Szrj operator->(); 2518*38fd1498Szrj 2519*38fd1498Szrj /** 2520*38fd1498Szrj * @todo Implement this function. 2521*38fd1498Szrj * @doctodo 2522*38fd1498Szrj */ 2523*38fd1498Szrj regex_iterator& 2524*38fd1498Szrj operator++(); 2525*38fd1498Szrj 2526*38fd1498Szrj /** 2527*38fd1498Szrj * @todo Implement this function. 2528*38fd1498Szrj * @doctodo 2529*38fd1498Szrj */ 2530*38fd1498Szrj regex_iterator 2531*38fd1498Szrj operator++(int); 2532*38fd1498Szrj 2533*38fd1498Szrj private: 2534*38fd1498Szrj // these members are shown for exposition only: 2535*38fd1498Szrj _Bi_iter begin; 2536*38fd1498Szrj _Bi_iter end; 2537*38fd1498Szrj const regex_type* pregex; 2538*38fd1498Szrj regex_constants::match_flag_type flags; 2539*38fd1498Szrj match_results<_Bi_iter> match; 2540*38fd1498Szrj }; 2541*38fd1498Szrj 2542*38fd1498Szrj typedef regex_iterator<const char*> cregex_iterator; 2543*38fd1498Szrj typedef regex_iterator<string::const_iterator> sregex_iterator; 2544*38fd1498Szrj#ifdef _GLIBCXX_USE_WCHAR_T 2545*38fd1498Szrj typedef regex_iterator<const wchar_t*> wcregex_iterator; 2546*38fd1498Szrj typedef regex_iterator<wstring::const_iterator> wsregex_iterator; 2547*38fd1498Szrj#endif 2548*38fd1498Szrj 2549*38fd1498Szrj // [7.12.2] Class template regex_token_iterator 2550*38fd1498Szrj /** 2551*38fd1498Szrj * Iterates over submatches in a range (or @a splits a text string). 2552*38fd1498Szrj * 2553*38fd1498Szrj * The purpose of this iterator is to enumerate all, or all specified, 2554*38fd1498Szrj * matches of a regular expression within a text range. The dereferenced 2555*38fd1498Szrj * value of an iterator of this class is a std::tr1::sub_match object. 2556*38fd1498Szrj */ 2557*38fd1498Szrj template<typename _Bi_iter, 2558*38fd1498Szrj typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, 2559*38fd1498Szrj typename _Rx_traits = regex_traits<_Ch_type> > 2560*38fd1498Szrj class regex_token_iterator 2561*38fd1498Szrj { 2562*38fd1498Szrj public: 2563*38fd1498Szrj typedef basic_regex<_Ch_type, _Rx_traits> regex_type; 2564*38fd1498Szrj typedef sub_match<_Bi_iter> value_type; 2565*38fd1498Szrj typedef std::ptrdiff_t difference_type; 2566*38fd1498Szrj typedef const value_type* pointer; 2567*38fd1498Szrj typedef const value_type& reference; 2568*38fd1498Szrj typedef std::forward_iterator_tag iterator_category; 2569*38fd1498Szrj 2570*38fd1498Szrj public: 2571*38fd1498Szrj /** 2572*38fd1498Szrj * @brief Default constructs a %regex_token_iterator. 2573*38fd1498Szrj * @todo Implement this function. 2574*38fd1498Szrj * 2575*38fd1498Szrj * A default-constructed %regex_token_iterator is a singular iterator 2576*38fd1498Szrj * that will compare equal to the one-past-the-end value for any 2577*38fd1498Szrj * iterator of the same type. 2578*38fd1498Szrj */ 2579*38fd1498Szrj regex_token_iterator(); 2580*38fd1498Szrj 2581*38fd1498Szrj /** 2582*38fd1498Szrj * Constructs a %regex_token_iterator... 2583*38fd1498Szrj * @param a [IN] The start of the text to search. 2584*38fd1498Szrj * @param b [IN] One-past-the-end of the text to search. 2585*38fd1498Szrj * @param re [IN] The regular expression to search for. 2586*38fd1498Szrj * @param submatch [IN] Which submatch to return. There are some 2587*38fd1498Szrj * special values for this parameter: 2588*38fd1498Szrj * - -1 each enumerated subexpression does NOT 2589*38fd1498Szrj * match the regular expression (aka field 2590*38fd1498Szrj * splitting) 2591*38fd1498Szrj * - 0 the entire string matching the 2592*38fd1498Szrj * subexpression is returned for each match 2593*38fd1498Szrj * within the text. 2594*38fd1498Szrj * - >0 enumerates only the indicated 2595*38fd1498Szrj * subexpression from a match within the text. 2596*38fd1498Szrj * @param m [IN] Policy flags for match rules. 2597*38fd1498Szrj * 2598*38fd1498Szrj * @todo Implement this function. 2599*38fd1498Szrj * @doctodo 2600*38fd1498Szrj */ 2601*38fd1498Szrj regex_token_iterator(_Bi_iter __a, _Bi_iter __b, const regex_type& __re, 2602*38fd1498Szrj int __submatch = 0, 2603*38fd1498Szrj regex_constants::match_flag_type __m 2604*38fd1498Szrj = regex_constants::match_default); 2605*38fd1498Szrj 2606*38fd1498Szrj /** 2607*38fd1498Szrj * Constructs a %regex_token_iterator... 2608*38fd1498Szrj * @param a [IN] The start of the text to search. 2609*38fd1498Szrj * @param b [IN] One-past-the-end of the text to search. 2610*38fd1498Szrj * @param re [IN] The regular expression to search for. 2611*38fd1498Szrj * @param submatches [IN] A list of subexpressions to return for each 2612*38fd1498Szrj * regular expression match within the text. 2613*38fd1498Szrj * @param m [IN] Policy flags for match rules. 2614*38fd1498Szrj * 2615*38fd1498Szrj * @todo Implement this function. 2616*38fd1498Szrj * @doctodo 2617*38fd1498Szrj */ 2618*38fd1498Szrj regex_token_iterator(_Bi_iter __a, _Bi_iter __b, 2619*38fd1498Szrj const regex_type& __re, 2620*38fd1498Szrj const std::vector<int>& __submatches, 2621*38fd1498Szrj regex_constants::match_flag_type __m 2622*38fd1498Szrj = regex_constants::match_default); 2623*38fd1498Szrj 2624*38fd1498Szrj /** 2625*38fd1498Szrj * Constructs a %regex_token_iterator... 2626*38fd1498Szrj * @param a [IN] The start of the text to search. 2627*38fd1498Szrj * @param b [IN] One-past-the-end of the text to search. 2628*38fd1498Szrj * @param re [IN] The regular expression to search for. 2629*38fd1498Szrj * @param submatches [IN] A list of subexpressions to return for each 2630*38fd1498Szrj * regular expression match within the text. 2631*38fd1498Szrj * @param m [IN] Policy flags for match rules. 2632*38fd1498Szrj 2633*38fd1498Szrj * @todo Implement this function. 2634*38fd1498Szrj * @doctodo 2635*38fd1498Szrj */ 2636*38fd1498Szrj template<std::size_t _Nm> 2637*38fd1498Szrj regex_token_iterator(_Bi_iter __a, _Bi_iter __b, 2638*38fd1498Szrj const regex_type& __re, 2639*38fd1498Szrj const int (&__submatches)[_Nm], 2640*38fd1498Szrj regex_constants::match_flag_type __m 2641*38fd1498Szrj = regex_constants::match_default); 2642*38fd1498Szrj 2643*38fd1498Szrj /** 2644*38fd1498Szrj * @brief Copy constructs a %regex_token_iterator. 2645*38fd1498Szrj * @param rhs [IN] A %regex_token_iterator to copy. 2646*38fd1498Szrj * @todo Implement this function. 2647*38fd1498Szrj */ 2648*38fd1498Szrj regex_token_iterator(const regex_token_iterator& __rhs); 2649*38fd1498Szrj 2650*38fd1498Szrj /** 2651*38fd1498Szrj * @brief Assigns a %regex_token_iterator to another. 2652*38fd1498Szrj * @param rhs [IN] A %regex_token_iterator to copy. 2653*38fd1498Szrj * @todo Implement this function. 2654*38fd1498Szrj */ 2655*38fd1498Szrj regex_token_iterator& 2656*38fd1498Szrj operator=(const regex_token_iterator& __rhs); 2657*38fd1498Szrj 2658*38fd1498Szrj /** 2659*38fd1498Szrj * @brief Compares a %regex_token_iterator to another for equality. 2660*38fd1498Szrj * @todo Implement this function. 2661*38fd1498Szrj */ 2662*38fd1498Szrj bool 2663*38fd1498Szrj operator==(const regex_token_iterator& __rhs); 2664*38fd1498Szrj 2665*38fd1498Szrj /** 2666*38fd1498Szrj * @brief Compares a %regex_token_iterator to another for inequality. 2667*38fd1498Szrj * @todo Implement this function. 2668*38fd1498Szrj */ 2669*38fd1498Szrj bool 2670*38fd1498Szrj operator!=(const regex_token_iterator& __rhs); 2671*38fd1498Szrj 2672*38fd1498Szrj /** 2673*38fd1498Szrj * @brief Dereferences a %regex_token_iterator. 2674*38fd1498Szrj * @todo Implement this function. 2675*38fd1498Szrj */ 2676*38fd1498Szrj const value_type& 2677*38fd1498Szrj operator*(); 2678*38fd1498Szrj 2679*38fd1498Szrj /** 2680*38fd1498Szrj * @brief Selects a %regex_token_iterator member. 2681*38fd1498Szrj * @todo Implement this function. 2682*38fd1498Szrj */ 2683*38fd1498Szrj const value_type* 2684*38fd1498Szrj operator->(); 2685*38fd1498Szrj 2686*38fd1498Szrj /** 2687*38fd1498Szrj * @brief Increments a %regex_token_iterator. 2688*38fd1498Szrj * @todo Implement this function. 2689*38fd1498Szrj */ 2690*38fd1498Szrj regex_token_iterator& 2691*38fd1498Szrj operator++(); 2692*38fd1498Szrj 2693*38fd1498Szrj /** 2694*38fd1498Szrj * @brief Postincrements a %regex_token_iterator. 2695*38fd1498Szrj * @todo Implement this function. 2696*38fd1498Szrj */ 2697*38fd1498Szrj regex_token_iterator 2698*38fd1498Szrj operator++(int); 2699*38fd1498Szrj 2700*38fd1498Szrj private: // data members for exposition only: 2701*38fd1498Szrj typedef regex_iterator<_Bi_iter, _Ch_type, _Rx_traits> position_iterator; 2702*38fd1498Szrj 2703*38fd1498Szrj position_iterator __position; 2704*38fd1498Szrj const value_type* __result; 2705*38fd1498Szrj value_type __suffix; 2706*38fd1498Szrj std::size_t __n; 2707*38fd1498Szrj std::vector<int> __subs; 2708*38fd1498Szrj }; 2709*38fd1498Szrj 2710*38fd1498Szrj /** @brief Token iterator for C-style NULL-terminated strings. */ 2711*38fd1498Szrj typedef regex_token_iterator<const char*> cregex_token_iterator; 2712*38fd1498Szrj /** @brief Token iterator for standard strings. */ 2713*38fd1498Szrj typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; 2714*38fd1498Szrj#ifdef _GLIBCXX_USE_WCHAR_T 2715*38fd1498Szrj /** @brief Token iterator for C-style NULL-terminated wide strings. */ 2716*38fd1498Szrj typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; 2717*38fd1498Szrj /** @brief Token iterator for standard wide-character strings. */ 2718*38fd1498Szrj typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; 2719*38fd1498Szrj#endif 2720*38fd1498Szrj 2721*38fd1498Szrj //@} 2722*38fd1498Szrj} 2723*38fd1498Szrj 2724*38fd1498Szrj_GLIBCXX_END_NAMESPACE_VERSION 2725*38fd1498Szrj} 2726*38fd1498Szrj 2727*38fd1498Szrj#endif // _GLIBCXX_TR1_REGEX 2728