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author | Dan Albert <danalbert@google.com> | 2015-06-17 11:09:54 -0700 |
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committer | Dan Albert <danalbert@google.com> | 2015-06-17 14:15:22 -0700 |
commit | f378ebf14df0952eae870c9865bab8326aa8f137 (patch) | |
tree | 31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex | |
parent | 2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff) | |
download | toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.gz toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.bz2 toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.zip |
Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex | 2708 |
1 files changed, 0 insertions, 2708 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex b/gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex deleted file mode 100644 index 9352bc137..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/tr1_impl/regex +++ /dev/null @@ -1,2708 +0,0 @@ -// class template regex -*- C++ -*- - -// Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** - * @file tr1_impl/regex - * @brief The common implementation file for tr1 and std regular expressions. - * - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -namespace std -{ -_GLIBCXX_BEGIN_NAMESPACE_TR1 - -/** - * @defgroup tr1_regex Regular Expressions - * A facility for performing regular expression pattern matching. - */ - //@{ - -/** @namespace std::regex_constants - * @brief ISO C++ 0x entities sub namespace for regex. - */ -namespace regex_constants -{ - /** - * @name 5.1 Regular Expression Syntax Options - */ - //@{ - enum __syntax_option - { - _S_icase, - _S_nosubs, - _S_optimize, - _S_collate, - _S_ECMAScript, - _S_basic, - _S_extended, - _S_awk, - _S_grep, - _S_egrep, - _S_syntax_last - }; - - /** - * @brief This is a bitmask type indicating how to interpret the regex. - * - * The @c syntax_option_type is implementation defined but it is valid to - * perform bitwise operations on these values and expect the right thing to - * happen. - * - * A valid value of type syntax_option_type shall have exactly one of the - * elements @c ECMAScript, @c basic, @c extended, @c awk, @c grep, @c egrep - * %set. - */ - typedef unsigned int syntax_option_type; - - /** - * Specifies that the matching of regular expressions against a character - * sequence shall be performed without regard to case. - */ - static const syntax_option_type icase = 1 << _S_icase; - - /** - * Specifies that when a regular expression is matched against a character - * container sequence, no sub-expression matches are to be stored in the - * supplied match_results structure. - */ - static const syntax_option_type nosubs = 1 << _S_nosubs; - - /** - * Specifies that the regular expression engine should pay more attention to - * the speed with which regular expressions are matched, and less to the - * speed with which regular expression objects are constructed. Otherwise - * it has no detectable effect on the program output. - */ - static const syntax_option_type optimize = 1 << _S_optimize; - - /** - * Specifies that character ranges of the form [a-b] should be locale - * sensitive. - */ - static const syntax_option_type collate = 1 << _S_collate; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by ECMAScript in ECMA-262 [Ecma International, ECMAScript - * Language Specification, Standard Ecma-262, third edition, 1999], as - * modified in tr1 section [7.13]. This grammar is similar to that defined - * in the PERL scripting language but extended with elements found in the - * POSIX regular expression grammar. - */ - static const syntax_option_type ECMAScript = 1 << _S_ECMAScript; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by POSIX basic regular expressions in IEEE Std 1003.1-2001, - * Portable Operating System Interface (POSIX), Base Definitions and - * Headers, Section 9, Regular Expressions [IEEE, Information Technology -- - * Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001]. - */ - static const syntax_option_type basic = 1 << _S_basic; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by POSIX extended regular expressions in IEEE Std 1003.1-2001, - * Portable Operating System Interface (POSIX), Base Definitions and Headers, - * Section 9, Regular Expressions. - */ - static const syntax_option_type extended = 1 << _S_extended; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by POSIX utility awk in IEEE Std 1003.1-2001. This option is - * identical to syntax_option_type extended, except that C-style escape - * sequences are supported. These sequences are, explicitly, "\\", "\a", - * "\b", "\f", "\n", "\r", "\t" , "\v", "\"", "'", - * and "\ddd" (where ddd is one, two, or three octal digits). - */ - static const syntax_option_type awk = 1 << _S_awk; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by POSIX utility grep in IEEE Std 1003.1-2001. This option is - * identical to syntax_option_type basic, except that newlines are treated - * as whitespace. - */ - static const syntax_option_type grep = 1 << _S_grep; - - /** - * Specifies that the grammar recognized by the regular expression engine is - * that used by POSIX utility grep when given the -E option in - * IEEE Std 1003.1-2001. This option is identical to syntax_option_type - * extended, except that newlines are treated as whitespace. - */ - static const syntax_option_type egrep = 1 << _S_egrep; - - //@} - - /** - * @name 5.2 Matching Rules - * - * Matching a regular expression against a sequence of characters [first, - * last) proceeds according to the rules of the grammar specified for the - * regular expression object, modified according to the effects listed - * below for any bitmask elements set. - * - */ - //@{ - - enum __match_flag - { - _S_not_bol, - _S_not_eol, - _S_not_bow, - _S_not_eow, - _S_any, - _S_not_null, - _S_continuous, - _S_prev_avail, - _S_sed, - _S_no_copy, - _S_first_only, - _S_match_flag_last - }; - - /** - * @brief This is a bitmask type indicating regex matching rules. - * - * The @c match_flag_type is implementation defined but it is valid to - * perform bitwise operations on these values and expect the right thing to - * happen. - */ - typedef std::bitset<_S_match_flag_last> match_flag_type; - - /** - * The default matching rules. - */ - static const match_flag_type match_default = 0; - - /** - * The first character in the sequence [first, last) is treated as though it - * is not at the beginning of a line, so the character "^" in the regular - * expression shall not match [first, first). - */ - static const match_flag_type match_not_bol = 1 << _S_not_bol; - - /** - * The last character in the sequence [first, last) is treated as though it - * is not at the end of a line, so the character "$" in the regular - * expression shall not match [last, last). - */ - static const match_flag_type match_not_eol = 1 << _S_not_eol; - - /** - * The expression "\b" is not matched against the sub-sequence - * [first,first). - */ - static const match_flag_type match_not_bow = 1 << _S_not_bow; - - /** - * The expression "\b" should not be matched against the sub-sequence - * [last,last). - */ - static const match_flag_type match_not_eow = 1 << _S_not_eow; - - /** - * If more than one match is possible then any match is an acceptable - * result. - */ - static const match_flag_type match_any = 1 << _S_any; - - /** - * The expression does not match an empty sequence. - */ - static const match_flag_type match_not_null = 1 << _S_not_null; - - /** - * The expression only matches a sub-sequence that begins at first . - */ - static const match_flag_type match_continuous = 1 << _S_continuous; - - /** - * --first is a valid iterator position. When this flag is set then the - * flags match_not_bol and match_not_bow are ignored by the regular - * expression algorithms 7.11 and iterators 7.12. - */ - static const match_flag_type match_prev_avail = 1 << _S_prev_avail; - - /** - * When a regular expression match is to be replaced by a new string, the - * new string is constructed using the rules used by the ECMAScript replace - * function in ECMA- 262 [Ecma International, ECMAScript Language - * Specification, Standard Ecma-262, third edition, 1999], part 15.5.4.11 - * String.prototype.replace. In addition, during search and replace - * operations all non-overlapping occurrences of the regular expression - * are located and replaced, and sections of the input that did not match - * the expression are copied unchanged to the output string. - * - * Format strings (from ECMA-262 [15.5.4.11]): - * @li $$ The dollar-sign itself ($) - * @li $& The matched substring. - * @li $` The portion of <em>string</em> that precedes the matched substring. - * This would be match_results::prefix(). - * @li $' The portion of <em>string</em> that follows the matched substring. - * This would be match_results::suffix(). - * @li $n The nth capture, where n is in [1,9] and $n is not followed by a - * decimal digit. If n <= match_results::size() and the nth capture - * is undefined, use the empty string instead. If n > - * match_results::size(), the result is implementation-defined. - * @li $nn The nnth capture, where nn is a two-digit decimal number on - * [01, 99]. If nn <= match_results::size() and the nth capture is - * undefined, use the empty string instead. If - * nn > match_results::size(), the result is implementation-defined. - */ - static const match_flag_type format_default = 0; - - /** - * When a regular expression match is to be replaced by a new string, the - * new string is constructed using the rules used by the POSIX sed utility - * in IEEE Std 1003.1- 2001 [IEEE, Information Technology -- Portable - * Operating System Interface (POSIX), IEEE Standard 1003.1-2001]. - */ - static const match_flag_type format_sed = 1 << _S_sed; - - /** - * During a search and replace operation, sections of the character - * container sequence being searched that do not match the regular - * expression shall not be copied to the output string. - */ - static const match_flag_type format_no_copy = 1 << _S_no_copy; - - /** - * When specified during a search and replace operation, only the first - * occurrence of the regular expression shall be replaced. - */ - static const match_flag_type format_first_only = 1 << _S_first_only; - - //@} - - /** - * @name 5.3 Error Types - */ - //@{ - - enum error_type - { - _S_error_collate, - _S_error_ctype, - _S_error_escape, - _S_error_backref, - _S_error_brack, - _S_error_paren, - _S_error_brace, - _S_error_badbrace, - _S_error_range, - _S_error_space, - _S_error_badrepeat, - _S_error_complexity, - _S_error_stack, - _S_error_last - }; - - /** The expression contained an invalid collating element name. */ - static const error_type error_collate(_S_error_collate); - - /** The expression contained an invalid character class name. */ - static const error_type error_ctype(_S_error_ctype); - - /** - * The expression contained an invalid escaped character, or a trailing - * escape. - */ - static const error_type error_escape(_S_error_escape); - - /** The expression contained an invalid back reference. */ - static const error_type error_backref(_S_error_backref); - - /** The expression contained mismatched [ and ]. */ - static const error_type error_brack(_S_error_brack); - - /** The expression contained mismatched ( and ). */ - static const error_type error_paren(_S_error_paren); - - /** The expression contained mismatched { and } */ - static const error_type error_brace(_S_error_brace); - - /** The expression contained an invalid range in a {} expression. */ - static const error_type error_badbrace(_S_error_badbrace); - - /** - * The expression contained an invalid character range, - * such as [b-a] in most encodings. - */ - static const error_type error_range(_S_error_range); - - /** - * There was insufficient memory to convert the expression into a - * finite state machine. - */ - static const error_type error_space(_S_error_space); - - /** - * One of "*?+{" was not preceded by a valid regular expression. - */ - static const error_type error_badrepeat(_S_error_badrepeat); - - /** - * The complexity of an attempted match against a regular expression - * exceeded a pre-set level. - */ - static const error_type error_complexity(_S_error_complexity); - - /** - * There was insufficient memory to determine whether the - * regular expression could match the specified character sequence. - */ - static const error_type error_stack(_S_error_stack); - - //@} -} - - - // [7.8] Class regex_error - /** - * @brief A regular expression exception class. - * @ingroup exceptions - * - * The regular expression library throws objects of this class on error. - */ - class regex_error - : public std::runtime_error - { - public: - /** - * @brief Constructs a regex_error object. - * - * @param ecode the regex error code. - */ - explicit - regex_error(regex_constants::error_type __ecode) - : std::runtime_error("regex_error"), _M_code(__ecode) - { } - - /** - * @brief Gets the regex error code. - * - * @returns the regex error code. - */ - regex_constants::error_type - code() const - { return _M_code; } - - protected: - regex_constants::error_type _M_code; - }; - - // [7.7] Class regex_traits - /** - * @brief Describes aspects of a regular expression. - * - * A regular expression traits class that satisfies the requirements of tr1 - * section [7.2]. - * - * The class %regex is parameterized around a set of related types and - * functions used to complete the definition of its semantics. This class - * satisfies the requirements of such a traits class. - */ - template<typename _Ch_type> - struct regex_traits - { - public: - typedef _Ch_type char_type; - typedef std::basic_string<char_type> string_type; - typedef std::locale locale_type; - typedef std::ctype_base::mask char_class_type; - - public: - /** - * @brief Constructs a default traits object. - */ - regex_traits() - { } - - /** - * @brief Gives the length of a C-style string starting at @p __p. - * - * @param __p a pointer to the start of a character sequence. - * - * @returns the number of characters between @p *__p and the first - * default-initialized value of type @p char_type. In other words, uses - * the C-string algorithm for determining the length of a sequence of - * characters. - */ - static std::size_t - length(const char_type* __p) - { return string_type::traits_type::length(__p); } - - /** - * @brief Performs the identity translation. - * - * @param c A character to the locale-specific character set. - * - * @returns c. - */ - char_type - translate(char_type __c) const - { return __c; } - - /** - * @brief Translates a character into a case-insensitive equivalent. - * - * @param c A character to the locale-specific character set. - * - * @returns the locale-specific lower-case equivalent of c. - * @throws std::bad_cast if the imbued locale does not support the ctype - * facet. - */ - char_type - translate_nocase(char_type __c) const - { - using std::ctype; - using std::use_facet; - return use_facet<ctype<char_type> >(_M_locale).tolower(__c); - } - - /** - * @brief Gets a sort key for a character sequence. - * - * @param first beginning of the character sequence. - * @param last one-past-the-end of the character sequence. - * - * Returns a sort key for the character sequence designated by the - * iterator range [F1, F2) such that if the character sequence [G1, G2) - * sorts before the character sequence [H1, H2) then - * v.transform(G1, G2) < v.transform(H1, H2). - * - * What this really does is provide a more efficient way to compare a - * string to multiple other strings in locales with fancy collation - * rules and equivalence classes. - * - * @returns a locale-specific sort key equivalent to the input range. - * - * @throws std::bad_cast if the current locale does not have a collate - * facet. - */ - template<typename _Fwd_iter> - string_type - transform(_Fwd_iter __first, _Fwd_iter __last) const - { - using std::collate; - using std::use_facet; - const collate<_Ch_type>& __c(use_facet< - collate<_Ch_type> >(_M_locale)); - string_type __s(__first, __last); - return __c.transform(__s.data(), __s.data() + __s.size()); - } - - /** - * @brief Dunno. - * - * @param first beginning of the character sequence. - * @param last one-past-the-end of the character sequence. - * - * Effects: if typeid(use_facet<collate<_Ch_type> >) == - * typeid(collate_byname<_Ch_type>) and the form of the sort key - * returned by collate_byname<_Ch_type>::transform(first, last) is known - * and can be converted into a primary sort key then returns that key, - * otherwise returns an empty string. WTF?? - * - * @todo Implement this function. - */ - template<typename _Fwd_iter> - string_type - transform_primary(_Fwd_iter __first, _Fwd_iter __last) const; - - /** - * @brief Gets a collation element by name. - * - * @param first beginning of the collation element name. - * @param last one-past-the-end of the collation element name. - * - * @returns a sequence of one or more characters that represents the - * collating element consisting of the character sequence designated by - * the iterator range [first, last). Returns an empty string if the - * character sequence is not a valid collating element. - * - * @todo Implement this function. - */ - template<typename _Fwd_iter> - string_type - lookup_collatename(_Fwd_iter __first, _Fwd_iter __last) const; - - /** - * @brief Maps one or more characters to a named character - * classification. - * - * @param first beginning of the character sequence. - * @param last one-past-the-end of the character sequence. - * - * @returns an unspecified value that represents the character - * classification named by the character sequence designated by the - * iterator range [first, last). The value returned shall be independent - * of the case of the characters in the character sequence. If the name - * is not recognized then returns a value that compares equal to 0. - * - * At least the following names (or their wide-character equivalent) are - * supported. - * - d - * - w - * - s - * - alnum - * - alpha - * - blank - * - cntrl - * - digit - * - graph - * - lower - * - print - * - punct - * - space - * - upper - * - xdigit - * - * @todo Implement this function. - */ - template<typename _Fwd_iter> - char_class_type - lookup_classname(_Fwd_iter __first, _Fwd_iter __last) const; - - /** - * @brief Determines if @p c is a member of an identified class. - * - * @param c a character. - * @param f a class type (as returned from lookup_classname). - * - * @returns true if the character @p c is a member of the classification - * represented by @p f, false otherwise. - * - * @throws std::bad_cast if the current locale does not have a ctype - * facet. - */ - bool - isctype(_Ch_type __c, char_class_type __f) const; - - /** - * @brief Converts a digit to an int. - * - * @param ch a character representing a digit. - * @param radix the radix if the numeric conversion (limited to 8, 10, - * or 16). - * - * @returns the value represented by the digit ch in base radix if the - * character ch is a valid digit in base radix; otherwise returns -1. - */ - int - value(_Ch_type __ch, int __radix) const; - - /** - * @brief Imbues the regex_traits object with a copy of a new locale. - * - * @param loc A locale. - * - * @returns a copy of the previous locale in use by the regex_traits - * object. - * - * @note Calling imbue with a different locale than the one currently in - * use invalidates all cached data held by *this. - */ - locale_type - imbue(locale_type __loc) - { - std::swap(_M_locale, __loc); - return __loc; - } - - /** - * @brief Gets a copy of the current locale in use by the regex_traits - * object. - */ - locale_type - getloc() const - { return _M_locale; } - - protected: - locale_type _M_locale; - }; - - template<typename _Ch_type> - bool regex_traits<_Ch_type>:: - isctype(_Ch_type __c, char_class_type __f) const - { - using std::ctype; - using std::use_facet; - const ctype<_Ch_type>& __ctype(use_facet< - ctype<_Ch_type> >(_M_locale)); - - if (__ctype.is(__c, __f)) - return true; - - // special case of underscore in [[:w:]] - if (__c == __ctype.widen('_')) - { - const char* const __wb[] = "w"; - char_class_type __wt = this->lookup_classname(__wb, - __wb + sizeof(__wb)); - if (__f | __wt) - return true; - } - - // special case of [[:space:]] in [[:blank:]] - if (__c == __ctype.isspace(__c)) - { - const char* const __bb[] = "blank"; - char_class_type __bt = this->lookup_classname(__bb, - __bb + sizeof(__bb)); - if (__f | __bt) - return true; - } - - return false; - } - - template<typename _Ch_type> - int regex_traits<_Ch_type>:: - value(_Ch_type __ch, int __radix) const - { - std::basic_istringstream<_Ch_type> __is(string_type(1, __ch)); - int __v = -1; - if (__radix == 8) - __is >> std::oct; - else if (__radix == 16) - __is >> std::hex; - __is >> __v; - return __v; - } - - // [7.8] Class basic_regex - /** - * Objects of specializations of this class represent regular expressions - * constructed from sequences of character type @p _Ch_type. - * - * Storage for the regular expression is allocated and deallocated as - * necessary by the member functions of this class. - */ - template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type> > - class basic_regex - { - public: - // types: - typedef _Ch_type value_type; - typedef regex_constants::syntax_option_type flag_type; - typedef typename _Rx_traits::locale_type locale_type; - typedef typename _Rx_traits::string_type string_type; - - /** - * @name Constants - * tr1 [7.8.1] std [28.8.1] - */ - //@{ - static const regex_constants::syntax_option_type icase - = regex_constants::icase; - static const regex_constants::syntax_option_type nosubs - = regex_constants::nosubs; - static const regex_constants::syntax_option_type optimize - = regex_constants::optimize; - static const regex_constants::syntax_option_type collate - = regex_constants::collate; - static const regex_constants::syntax_option_type ECMAScript - = regex_constants::ECMAScript; - static const regex_constants::syntax_option_type basic - = regex_constants::basic; - static const regex_constants::syntax_option_type extended - = regex_constants::extended; - static const regex_constants::syntax_option_type awk - = regex_constants::awk; - static const regex_constants::syntax_option_type grep - = regex_constants::grep; - static const regex_constants::syntax_option_type egrep - = regex_constants::egrep; - //@} - - // [7.8.2] construct/copy/destroy - /** - * Constructs a basic regular expression that does not match any - * character sequence. - */ - basic_regex() - : _M_flags(regex_constants::ECMAScript), _M_pattern(), _M_mark_count(0) - { _M_compile(); } - - /** - * @brief Constructs a basic regular expression from the sequence - * [p, p + char_traits<_Ch_type>::length(p)) interpreted according to the - * flags in @p f. - * - * @param p A pointer to the start of a C-style null-terminated string - * containing a regular expression. - * @param f Flags indicating the syntax rules and options. - * - * @throws regex_error if @p p is not a valid regular expression. - */ - explicit - basic_regex(const _Ch_type* __p, - flag_type __f = regex_constants::ECMAScript) - : _M_flags(__f), _M_pattern(__p), _M_mark_count(0) - { _M_compile(); } - - /** - * @brief Constructs a basic regular expression from the sequence - * [p, p + len) interpreted according to the flags in @p f. - * - * @param p A pointer to the start of a string containing a regular - * expression. - * @param len The length of the string containing the regular expression. - * @param f Flags indicating the syntax rules and options. - * - * @throws regex_error if @p p is not a valid regular expression. - */ - basic_regex(const _Ch_type* __p, std::size_t __len, flag_type __f) - : _M_flags(__f) , _M_pattern(__p, __len), _M_mark_count(0) - { _M_compile(); } - - /** - * @brief Copy-constructs a basic regular expression. - * - * @param rhs A @p regex object. - */ - basic_regex(const basic_regex& __rhs) - : _M_flags(__rhs._M_flags), _M_pattern(__rhs._M_pattern), - _M_mark_count(__rhs._M_mark_count) - { _M_compile(); } - - /** - * @brief Constructs a basic regular expression from the string - * @p s interpreted according to the flags in @p f. - * - * @param s A string containing a regular expression. - * @param f Flags indicating the syntax rules and options. - * - * @throws regex_error if @p s is not a valid regular expression. - */ - template<typename _Ch_traits, typename _Ch_alloc> - explicit - basic_regex(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, - flag_type __f = regex_constants::ECMAScript) - : _M_flags(__f), _M_pattern(__s.begin(), __s.end()), _M_mark_count(0) - { _M_compile(); } - - /** - * @brief Constructs a basic regular expression from the range - * [first, last) interpreted according to the flags in @p f. - * - * @param first The start of a range containing a valid regular - * expression. - * @param last The end of a range containing a valid regular - * expression. - * @param f The format flags of the regular expression. - * - * @throws regex_error if @p [first, last) is not a valid regular - * expression. - */ - template<typename _InputIterator> - basic_regex(_InputIterator __first, _InputIterator __last, - flag_type __f = regex_constants::ECMAScript) - : _M_flags(__f), _M_pattern(__first, __last), _M_mark_count(0) - { _M_compile(); } - -#ifdef _GLIBCXX_INCLUDE_AS_CXX0X - /** - * @brief Constructs a basic regular expression from an initializer list. - * - * @param l The initializer list. - * @param f The format flags of the regular expression. - * - * @throws regex_error if @p l is not a valid regular expression. - */ - basic_regex(initializer_list<_Ch_type> __l, - flag_type __f = regex_constants::ECMAScript) - : _M_flags(__f), _M_pattern(__l.begin(), __l.end()), _M_mark_count(0) - { _M_compile(); } -#endif - - /** - * @brief Destroys a basic regular expression. - */ - ~basic_regex() - { } - - /** - * @brief Assigns one regular expression to another. - */ - basic_regex& - operator=(const basic_regex& __rhs) - { return this->assign(__rhs); } - - /** - * @brief Replaces a regular expression with a new one constructed from - * a C-style null-terminated string. - * - * @param A pointer to the start of a null-terminated C-style string - * containing a regular expression. - */ - basic_regex& - operator=(const _Ch_type* __p) - { return this->assign(__p, flags()); } - - /** - * @brief Replaces a regular expression with a new one constructed from - * a string. - * - * @param A pointer to a string containing a regular expression. - */ - template<typename _Ch_typeraits, typename _Allocator> - basic_regex& - operator=(const basic_string<_Ch_type, _Ch_typeraits, _Allocator>& __s) - { return this->assign(__s, flags()); } - - // [7.8.3] assign - /** - * @brief the real assignment operator. - * - * @param that Another regular expression object. - */ - basic_regex& - assign(const basic_regex& __that) - { - basic_regex __tmp(__that); - this->swap(__tmp); - return *this; - } - - /** - * @brief Assigns a new regular expression to a regex object from a - * C-style null-terminated string containing a regular expression - * pattern. - * - * @param p A pointer to a C-style null-terminated string containing - * a regular expression pattern. - * @param flags Syntax option flags. - * - * @throws regex_error if p does not contain a valid regular expression - * pattern interpreted according to @p flags. If regex_error is thrown, - * *this remains unchanged. - */ - basic_regex& - assign(const _Ch_type* __p, - flag_type __flags = regex_constants::ECMAScript) - { return this->assign(string_type(__p), __flags); } - - /** - * @brief Assigns a new regular expression to a regex object from a - * C-style string containing a regular expression pattern. - * - * @param p A pointer to a C-style string containing a - * regular expression pattern. - * @param len The length of the regular expression pattern string. - * @param flags Syntax option flags. - * - * @throws regex_error if p does not contain a valid regular expression - * pattern interpreted according to @p flags. If regex_error is thrown, - * *this remains unchanged. - */ - basic_regex& - assign(const _Ch_type* __p, std::size_t __len, flag_type __flags) - { return this->assign(string_type(__p, __len), __flags); } - - /** - * @brief Assigns a new regular expression to a regex object from a - * string containing a regular expression pattern. - * - * @param s A string containing a regular expression pattern. - * @param flags Syntax option flags. - * - * @throws regex_error if p does not contain a valid regular expression - * pattern interpreted according to @p flags. If regex_error is thrown, - * *this remains unchanged. - */ - template<typename _Ch_typeraits, typename _Allocator> - basic_regex& - assign(const basic_string<_Ch_type, _Ch_typeraits, _Allocator>& __s, - flag_type __f = regex_constants::ECMAScript) - { - basic_regex __tmp(__s, __f); - this->swap(__tmp); - return *this; - } - - /** - * @brief Assigns a new regular expression to a regex object. - * - * @param first The start of a range containing a valid regular - * expression. - * @param last The end of a range containing a valid regular - * expression. - * @param flags Syntax option flags. - * - * @throws regex_error if p does not contain a valid regular expression - * pattern interpreted according to @p flags. If regex_error is thrown, - * the object remains unchanged. - */ - template<typename _InputIterator> - basic_regex& - assign(_InputIterator __first, _InputIterator __last, - flag_type __flags = regex_constants::ECMAScript) - { return this->assign(string_type(__first, __last), __flags); } - -#ifdef _GLIBCXX_INCLUDE_AS_CXX0X - /** - * @brief Assigns a new regular expression to a regex object. - * - * @param l An initializer list representing a regular expression. - * @param flags Syntax option flags. - * - * @throws regex_error if @p l does not contain a valid regular - * expression pattern interpreted according to @p flags. If regex_error - * is thrown, the object remains unchanged. - */ - basic_regex& - assign(initializer_list<_Ch_type> __l, - flag_type __f = regex_constants::ECMAScript) - { return this->assign(__l.begin(), __l.end(), __f); } -#endif - - // [7.8.4] const operations - /** - * @brief Gets the number of marked subexpressions within the regular - * expression. - */ - unsigned int - mark_count() const - { return _M_mark_count; } - - /** - * @brief Gets the flags used to construct the regular expression - * or in the last call to assign(). - */ - flag_type - flags() const - { return _M_flags; } - - // [7.8.5] locale - /** - * @brief Imbues the regular expression object with the given locale. - * - * @param loc A locale. - */ - locale_type - imbue(locale_type __loc) - { return _M_traits.imbue(__loc); } - - /** - * @brief Gets the locale currently imbued in the regular expression - * object. - */ - locale_type - getloc() const - { return _M_traits.getloc(); } - - // [7.8.6] swap - /** - * @brief Swaps the contents of two regular expression objects. - * - * @param rhs Another regular expression object. - */ - void - swap(basic_regex& __rhs) - { - std::swap(_M_flags, __rhs._M_flags); - std::swap(_M_pattern, __rhs._M_pattern); - std::swap(_M_mark_count, __rhs._M_mark_count); - std::swap(_M_traits, __rhs._M_traits); - } - - private: - /** - * @brief Compiles a regular expression pattern into a NFA. - * @todo Implement this function. - */ - void _M_compile(); - - protected: - flag_type _M_flags; - string_type _M_pattern; - unsigned int _M_mark_count; - _Rx_traits _M_traits; - }; - - /** @brief Standard regular expressions. */ - typedef basic_regex<char> regex; -#ifdef _GLIBCXX_USE_WCHAR_T - /** @brief Standard wide-character regular expressions. */ - typedef basic_regex<wchar_t> wregex; -#endif - - - // [7.8.6] basic_regex swap - /** - * @brief Swaps the contents of two regular expression objects. - * @param lhs First regular expression. - * @param rhs Second regular expression. - */ - template<typename _Ch_type, typename _Rx_traits> - inline void - swap(basic_regex<_Ch_type, _Rx_traits>& __lhs, - basic_regex<_Ch_type, _Rx_traits>& __rhs) - { __lhs.swap(__rhs); } - - - // [7.9] Class template sub_match - /** - * A sequence of characters matched by a particular marked sub-expression. - * - * An object of this class is essentially a pair of iterators marking a - * matched subexpression within a regular expression pattern match. Such - * objects can be converted to and compared with std::basic_string objects - * of a similar base character type as the pattern matched by the regular - * expression. - * - * The iterators that make up the pair are the usual half-open interval - * referencing the actual original pattern matched. - */ - template<typename _BiIter> - class sub_match : public std::pair<_BiIter, _BiIter> - { - public: - typedef typename iterator_traits<_BiIter>::value_type value_type; - typedef typename iterator_traits<_BiIter>::difference_type - difference_type; - typedef _BiIter iterator; - - public: - bool matched; - - /** - * Gets the length of the matching sequence. - */ - difference_type - length() const - { return this->matched ? std::distance(this->first, this->second) : 0; } - - /** - * @brief Gets the matching sequence as a string. - * - * @returns the matching sequence as a string. - * - * This is the implicit conversion operator. It is identical to the - * str() member function except that it will want to pop up in - * unexpected places and cause a great deal of confusion and cursing - * from the unwary. - */ - operator basic_string<value_type>() const - { - return this->matched - ? std::basic_string<value_type>(this->first, this->second) - : std::basic_string<value_type>(); - } - - /** - * @brief Gets the matching sequence as a string. - * - * @returns the matching sequence as a string. - */ - basic_string<value_type> - str() const - { - return this->matched - ? std::basic_string<value_type>(this->first, this->second) - : std::basic_string<value_type>(); - } - - /** - * @brief Compares this and another matched sequence. - * - * @param s Another matched sequence to compare to this one. - * - * @retval <0 this matched sequence will collate before @p s. - * @retval =0 this matched sequence is equivalent to @p s. - * @retval <0 this matched sequence will collate after @p s. - */ - int - compare(const sub_match& __s) const - { return this->str().compare(__s.str()); } - - /** - * @brief Compares this sub_match to a string. - * - * @param s A string to compare to this sub_match. - * - * @retval <0 this matched sequence will collate before @p s. - * @retval =0 this matched sequence is equivalent to @p s. - * @retval <0 this matched sequence will collate after @p s. - */ - int - compare(const basic_string<value_type>& __s) const - { return this->str().compare(__s); } - - /** - * @brief Compares this sub_match to a C-style string. - * - * @param s A C-style string to compare to this sub_match. - * - * @retval <0 this matched sequence will collate before @p s. - * @retval =0 this matched sequence is equivalent to @p s. - * @retval <0 this matched sequence will collate after @p s. - */ - int - compare(const value_type* __s) const - { return this->str().compare(__s); } - }; - - - /** @brief Standard regex submatch over a C-style null-terminated string. */ - typedef sub_match<const char*> csub_match; - /** @brief Standard regex submatch over a standard string. */ - typedef sub_match<string::const_iterator> ssub_match; -#ifdef _GLIBCXX_USE_WCHAR_T - /** @brief Regex submatch over a C-style null-terminated wide string. */ - typedef sub_match<const wchar_t*> wcsub_match; - /** @brief Regex submatch over a standard wide string. */ - typedef sub_match<wstring::const_iterator> wssub_match; -#endif - - // [7.9.2] sub_match non-member operators - - /** - * @brief Tests the equivalence of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator==(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) == 0; } - - /** - * @brief Tests the inequivalence of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator!=(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) != 0; } - - /** - * @brief Tests the ordering of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator<(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) < 0; } - - /** - * @brief Tests the ordering of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator<=(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) <= 0; } - - /** - * @brief Tests the ordering of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator>=(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) >= 0; } - - /** - * @brief Tests the ordering of two regular expression submatches. - * @param lhs First regular expression submatch. - * @param rhs Second regular expression submatch. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _BiIter> - inline bool - operator>(const sub_match<_BiIter>& __lhs, - const sub_match<_BiIter>& __rhs) - { return __lhs.compare(__rhs) > 0; } - - /** - * @brief Tests the equivalence of a string and a regular expression - * submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator==(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs == __rhs.str(); } - - /** - * @brief Tests the inequivalence of a string and a regular expression - * submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator!=(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) - { return __lhs != __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator<(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) - { return __lhs < __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator>(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) - { return __lhs > __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator>=(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) - { return __lhs >= __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator<=(const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __lhs, const sub_match<_Bi_iter>& __rhs) - { return __lhs <= __rhs.str(); } - - /** - * @brief Tests the equivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator==(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() == __rhs; } - - /** - * @brief Tests the inequivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter, typename _Ch_traits, typename _Ch_alloc> - inline bool - operator!=(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() != __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> - inline bool - operator<(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() < __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> - inline bool - operator>(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() > __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> - inline bool - operator>=(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() >= __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter, class _Ch_traits, class _Ch_alloc> - inline bool - operator<=(const sub_match<_Bi_iter>& __lhs, - const basic_string< - typename iterator_traits<_Bi_iter>::value_type, - _Ch_traits, _Ch_alloc>& __rhs) - { return __lhs.str() <= __rhs; } - - /** - * @brief Tests the equivalence of a C string and a regular expression - * submatch. - * @param lhs A C string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs == __rhs.str(); } - - /** - * @brief Tests the inequivalence of an iterator value and a regular - * expression submatch. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs != __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs < __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs > __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs >= __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs <= __rhs.str(); } - - /** - * @brief Tests the equivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A pointer to a string? - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator==(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() == __rhs; } - - /** - * @brief Tests the inequivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A pointer to a string. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator!=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() != __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() < __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() > __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() >= __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A string. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const* __rhs) - { return __lhs.str() <= __rhs; } - - /** - * @brief Tests the equivalence of a string and a regular expression - * submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs == __rhs.str(); } - - /** - * @brief Tests the inequivalence of a string and a regular expression - * submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs != __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs < __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs > __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs >= __rhs.str(); } - - /** - * @brief Tests the ordering of a string and a regular expression submatch. - * @param lhs A string. - * @param rhs A regular expression submatch. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, - const sub_match<_Bi_iter>& __rhs) - { return __lhs <= __rhs.str(); } - - /** - * @brief Tests the equivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs is equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator==(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() == __rhs; } - - /** - * @brief Tests the inequivalence of a regular expression submatch and a - * string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs is not equivalent to @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator!=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() != __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs precedes @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() < __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs succeeds @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() > __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs does not precede @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator>=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() >= __rhs; } - - /** - * @brief Tests the ordering of a regular expression submatch and a string. - * @param lhs A regular expression submatch. - * @param rhs A const string reference. - * @returns true if @a lhs does not succeed @a rhs, false otherwise. - */ - template<typename _Bi_iter> - inline bool - operator<=(const sub_match<_Bi_iter>& __lhs, - typename iterator_traits<_Bi_iter>::value_type const& __rhs) - { return __lhs.str() <= __rhs; } - - /** - * @brief Inserts a matched string into an output stream. - * - * @param os The output stream. - * @param m A submatch string. - * - * @returns the output stream with the submatch string inserted. - */ - template<typename _Ch_type, typename _Ch_traits, typename _Bi_iter> - inline - basic_ostream<_Ch_type, _Ch_traits>& - operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, - const sub_match<_Bi_iter>& __m) - { return __os << __m.str(); } - - // [7.10] Class template match_results - /** - * @brief The results of a match or search operation. - * - * A collection of character sequences representing the result of a regular - * expression match. Storage for the collection is allocated and freed as - * necessary by the member functions of class template match_results. - * - * This class satisfies the Sequence requirements, with the exception that - * only the operations defined for a const-qualified Sequence are supported. - * - * The sub_match object stored at index 0 represents sub-expression 0, i.e. - * the whole match. In this case the sub_match member matched is always true. - * The sub_match object stored at index n denotes what matched the marked - * sub-expression n within the matched expression. If the sub-expression n - * participated in a regular expression match then the sub_match member - * matched evaluates to true, and members first and second denote the range - * of characters [first, second) which formed that match. Otherwise matched - * is false, and members first and second point to the end of the sequence - * that was searched. - * - * @nosubgrouping - */ - template<typename _Bi_iter, - typename _Allocator = allocator<sub_match<_Bi_iter> > > - class match_results - : private std::vector<std::_GLIBCXX_TR1 sub_match<_Bi_iter>, _Allocator> - { - private: - typedef std::vector<std::_GLIBCXX_TR1 sub_match<_Bi_iter>, _Allocator> - _Base_type; - - public: - /** - * @name 10.? Public Types - */ - //@{ - typedef sub_match<_Bi_iter> value_type; - typedef typename _Allocator::const_reference const_reference; - typedef const_reference reference; - typedef typename _Base_type::const_iterator const_iterator; - typedef const_iterator iterator; - typedef typename iterator_traits<_Bi_iter>::difference_type - difference_type; - typedef typename _Allocator::size_type size_type; - typedef _Allocator allocator_type; - typedef typename iterator_traits<_Bi_iter>::value_type char_type; - typedef basic_string<char_type> string_type; - //@} - - public: - /** - * @name 10.1 Construction, Copying, and Destruction - */ - //@{ - - /** - * @brief Constructs a default %match_results container. - * @post size() returns 0 and str() returns an empty string. - */ - explicit - match_results(const _Allocator& __a = _Allocator()) - : _Base_type(__a), _M_matched(false) - { } - - /** - * @brief Copy constructs a %match_results. - */ - match_results(const match_results& __rhs) - : _Base_type(__rhs), _M_matched(__rhs._M_matched), - _M_prefix(__rhs._M_prefix), _M_suffix(__rhs._M_suffix) - { } - - /** - * @brief Assigns rhs to *this. - */ - match_results& - operator=(const match_results& __rhs) - { - match_results __tmp(__rhs); - this->swap(__tmp); - return *this; - } - - /** - * @brief Destroys a %match_results object. - */ - ~match_results() - { } - - //@} - - /** - * @name 10.2 Size - */ - //@{ - - /** - * @brief Gets the number of matches and submatches. - * - * The number of matches for a given regular expression will be either 0 - * if there was no match or mark_count() + 1 if a match was successful. - * Some matches may be empty. - * - * @returns the number of matches found. - */ - size_type - size() const - { return _M_matched ? _Base_type::size() + 1 : 0; } - - //size_type - //max_size() const; - using _Base_type::max_size; - - /** - * @brief Indicates if the %match_results contains no results. - * @retval true The %match_results object is empty. - * @retval false The %match_results object is not empty. - */ - bool - empty() const - { return size() == 0; } - - //@} - - /** - * @name 10.3 Element Access - */ - //@{ - - /** - * @brief Gets the length of the indicated submatch. - * @param sub indicates the submatch. - * - * This function returns the length of the indicated submatch, or the - * length of the entire match if @p sub is zero (the default). - */ - difference_type - length(size_type __sub = 0) const - { return _M_matched ? this->str(__sub).length() : 0; } - - /** - * @brief Gets the offset of the beginning of the indicated submatch. - * @param sub indicates the submatch. - * - * This function returns the offset from the beginning of the target - * sequence to the beginning of the submatch, unless the value of @p sub - * is zero (the default), in which case this function returns the offset - * from the beginning of the target sequence to the beginning of the - * match. - */ - difference_type - position(size_type __sub = 0) const - { - return _M_matched ? std::distance(this->prefix().first, - (*this)[__sub].first) : 0; - } - - /** - * @brief Gets the match or submatch converted to a string type. - * @param sub indicates the submatch. - * - * This function gets the submatch (or match, if @p sub is zero) extracted - * from the target range and converted to the associated string type. - */ - string_type - str(size_type __sub = 0) const - { return _M_matched ? (*this)[__sub].str() : string_type(); } - - /** - * @brief Gets a %sub_match reference for the match or submatch. - * @param sub indicates the submatch. - * - * This function gets a reference to the indicated submatch, or the entire - * match if @p sub is zero. - * - * If @p sub >= size() then this function returns a %sub_match with a - * special value indicating no submatch. - */ - const_reference - operator[](size_type __sub) const - { return _Base_type::operator[](__sub); } - - /** - * @brief Gets a %sub_match representing the match prefix. - * - * This function gets a reference to a %sub_match object representing the - * part of the target range between the start of the target range and the - * start of the match. - */ - const_reference - prefix() const - { return _M_prefix; } - - /** - * @brief Gets a %sub_match representing the match suffix. - * - * This function gets a reference to a %sub_match object representing the - * part of the target range between the end of the match and the end of - * the target range. - */ - const_reference - suffix() const - { return _M_suffix; } - - /** - * @brief Gets an iterator to the start of the %sub_match collection. - */ - const_iterator - begin() const - { return _Base_type::begin(); } - -#ifdef _GLIBCXX_INCLUDE_AS_CXX0X - /** - * @brief Gets an iterator to the start of the %sub_match collection. - */ - const_iterator - cbegin() const - { return _Base_type::begin(); } -#endif - - /** - * @brief Gets an iterator to one-past-the-end of the collection. - */ - const_iterator - end() const - { return _Base_type::end(); } - -#ifdef _GLIBCXX_INCLUDE_AS_CXX0X - /** - * @brief Gets an iterator to one-past-the-end of the collection. - */ - const_iterator - cend() const - { return _Base_type::end(); } -#endif - - //@} - - /** - * @name 10.4 Formatting - * - * These functions perform formatted substitution of the matched character - * sequences into their target. The format specifiers and escape sequences - * accepted by these functions are determined by their @p flags parameter - * as documented above. - */ - //@{ - - /** - * @todo Implement this function. - */ - template<typename _Out_iter> - _Out_iter - format(_Out_iter __out, const string_type& __fmt, - regex_constants::match_flag_type __flags - = regex_constants::format_default) const; - - /** - * @todo Implement this function. - */ - string_type - format(const string_type& __fmt, - regex_constants::match_flag_type __flags - = regex_constants::format_default) const; - - //@} - - /** - * @name 10.5 Allocator - */ - //@{ - - /** - * @brief Gets a copy of the allocator. - */ - //allocator_type - //get_allocator() const; - using _Base_type::get_allocator; - - //@} - - /** - * @name 10.6 Swap - */ - //@{ - - /** - * @brief Swaps the contents of two match_results. - */ - void - swap(match_results& __that) - { - _Base_type::swap(__that); - std::swap(_M_matched, __that._M_matched); - std::swap(_M_prefix, __that._M_prefix); - std::swap(_M_suffix, __that._M_suffix); - } - //@} - - private: - bool _M_matched; - value_type _M_prefix; - value_type _M_suffix; - }; - - typedef match_results<const char*> cmatch; - typedef match_results<string::const_iterator> smatch; -#ifdef _GLIBCXX_USE_WCHAR_T - typedef match_results<const wchar_t*> wcmatch; - typedef match_results<wstring::const_iterator> wsmatch; -#endif - - // match_results comparisons - /** - * @brief Compares two match_results for equality. - * @returns true if the two objects refer to the same match, - * false otherwise. - * @todo Implement this function. - */ - template<typename _Bi_iter, typename _Allocator> - inline bool - operator==(const match_results<_Bi_iter, _Allocator>& __m1, - const match_results<_Bi_iter, _Allocator>& __m2); - - /** - * @brief Compares two match_results for inequality. - * @returns true if the two objects do not refer to the same match, - * false otherwise. - */ - template<typename _Bi_iter, class _Allocator> - inline bool - operator!=(const match_results<_Bi_iter, _Allocator>& __m1, - const match_results<_Bi_iter, _Allocator>& __m2) - { return !(__m1 == __m2); } - - // [7.10.6] match_results swap - /** - * @brief Swaps two match results. - * @param lhs A match result. - * @param rhs A match result. - * - * The contents of the two match_results objects are swapped. - */ - template<typename _Bi_iter, typename _Allocator> - inline void - swap(match_results<_Bi_iter, _Allocator>& __lhs, - match_results<_Bi_iter, _Allocator>& __rhs) - { __lhs.swap(__rhs); } - - // [7.11.2] Function template regex_match - /** - * @name Matching, Searching, and Replacing - */ - //@{ - - /** - * @brief Determines if there is a match between the regular expression @p e - * and all of the character sequence [first, last). - * - * @param first Beginning of the character sequence to match. - * @param last One-past-the-end of the character sequence to match. - * @param m The match results. - * @param re The regular expression. - * @param flags Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - * - * @todo Implement this function. - */ - template<typename _Bi_iter, typename _Allocator, - typename _Ch_type, typename _Rx_traits> - bool - regex_match(_Bi_iter __first, _Bi_iter __last, - match_results<_Bi_iter, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default); - - /** - * @brief Indicates if there is a match between the regular expression @p e - * and all of the character sequence [first, last). - * - * @param first Beginning of the character sequence to match. - * @param last One-past-the-end of the character sequence to match. - * @param re The regular expression. - * @param flags Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - */ - template<typename _Bi_iter, typename _Ch_type, typename _Rx_traits> - bool - regex_match(_Bi_iter __first, _Bi_iter __last, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { - match_results<_Bi_iter> __what; - return regex_match(__first, __last, __what, __re, __flags); - } - - /** - * @brief Determines if there is a match between the regular expression @p e - * and a C-style null-terminated string. - * - * @param s The C-style null-terminated string to match. - * @param m The match results. - * @param re The regular expression. - * @param f Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_type, typename _Allocator, typename _Rx_traits> - inline bool - regex_match(const _Ch_type* __s, - match_results<const _Ch_type*, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __f - = regex_constants::match_default) - { return regex_match(__s, __s + _Rx_traits::length(__s), __m, __re, __f); } - - /** - * @brief Determines if there is a match between the regular expression @p e - * and a string. - * - * @param s The string to match. - * @param m The match results. - * @param re The regular expression. - * @param flags Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_traits, typename _Ch_alloc, - typename _Allocator, typename _Ch_type, typename _Rx_traits> - inline bool - regex_match(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, - match_results<typename basic_string<_Ch_type, - _Ch_traits, _Ch_alloc>::const_iterator, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { return regex_match(__s.begin(), __s.end(), __m, __re, __flags); } - - /** - * @brief Indicates if there is a match between the regular expression @p e - * and a C-style null-terminated string. - * - * @param s The C-style null-terminated string to match. - * @param re The regular expression. - * @param f Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_type, class _Rx_traits> - inline bool - regex_match(const _Ch_type* __s, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __f - = regex_constants::match_default) - { return regex_match(__s, __s + _Rx_traits::length(__s), __re, __f); } - - /** - * @brief Indicates if there is a match between the regular expression @p e - * and a string. - * - * @param s [IN] The string to match. - * @param re [IN] The regular expression. - * @param flags [IN] Controls how the regular expression is matched. - * - * @retval true A match exists. - * @retval false Otherwise. - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_traits, typename _Str_allocator, - typename _Ch_type, typename _Rx_traits> - inline bool - regex_match(const basic_string<_Ch_type, _Ch_traits, _Str_allocator>& __s, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { return regex_match(__s.begin(), __s.end(), __re, __flags); } - - // [7.11.3] Function template regex_search - /** - * Searches for a regular expression within a range. - * @param first [IN] The start of the string to search. - * @param last [IN] One-past-the-end of the string to search. - * @param m [OUT] The match results. - * @param re [IN] The regular expression to search for. - * @param flags [IN] Search policy flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string, the content of %m is - * undefined. - * - * @throws an exception of type regex_error. - * - * @todo Implement this function. - */ - template<typename _Bi_iter, typename _Allocator, - typename _Ch_type, typename _Rx_traits> - inline bool - regex_search(_Bi_iter __first, _Bi_iter __last, - match_results<_Bi_iter, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default); - - /** - * Searches for a regular expression within a range. - * @param first [IN] The start of the string to search. - * @param last [IN] One-past-the-end of the string to search. - * @param re [IN] The regular expression to search for. - * @param flags [IN] Search policy flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string. - * @doctodo - * - * @throws an exception of type regex_error. - */ - template<typename _Bi_iter, typename _Ch_type, typename _Rx_traits> - inline bool - regex_search(_Bi_iter __first, _Bi_iter __last, - const basic_regex<_Ch_type, _Rx_traits>& __re, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { - match_results<_Bi_iter> __what; - return regex_search(__first, __last, __what, __re, __flags); - } - - /** - * @brief Searches for a regular expression within a C-string. - * @param s [IN] A C-string to search for the regex. - * @param m [OUT] The set of regex matches. - * @param e [IN] The regex to search for in @p s. - * @param f [IN] The search flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string, the content of %m is - * undefined. - * @doctodo - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_type, class _Allocator, class _Rx_traits> - inline bool - regex_search(const _Ch_type* __s, - match_results<const _Ch_type*, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __e, - regex_constants::match_flag_type __f - = regex_constants::match_default) - { return regex_search(__s, __s + _Rx_traits::length(__s), __m, __e, __f); } - - /** - * @brief Searches for a regular expression within a C-string. - * @param s [IN] The C-string to search. - * @param e [IN] The regular expression to search for. - * @param f [IN] Search policy flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string. - * @doctodo - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_type, typename _Rx_traits> - inline bool - regex_search(const _Ch_type* __s, - const basic_regex<_Ch_type, _Rx_traits>& __e, - regex_constants::match_flag_type __f - = regex_constants::match_default) - { return regex_search(__s, __s + _Rx_traits::length(__s), __e, __f); } - - /** - * @brief Searches for a regular expression within a string. - * @param s [IN] The string to search. - * @param e [IN] The regular expression to search for. - * @param flags [IN] Search policy flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string. - * @doctodo - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_traits, typename _String_allocator, - typename _Ch_type, typename _Rx_traits> - inline bool - regex_search(const basic_string<_Ch_type, _Ch_traits, - _String_allocator>& __s, - const basic_regex<_Ch_type, _Rx_traits>& __e, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { return regex_search(__s.begin(), __s.end(), __e, __flags); } - - /** - * @brief Searches for a regular expression within a string. - * @param s [IN] A C++ string to search for the regex. - * @param m [OUT] The set of regex matches. - * @param e [IN] The regex to search for in @p s. - * @param f [IN] The search flags. - * @retval true A match was found within the string. - * @retval false No match was found within the string, the content of %m is - * undefined. - * - * @throws an exception of type regex_error. - */ - template<typename _Ch_traits, typename _Ch_alloc, - typename _Allocator, typename _Ch_type, - typename _Rx_traits> - inline bool - regex_search(const basic_string<_Ch_type, _Ch_traits, _Ch_alloc>& __s, - match_results<typename basic_string<_Ch_type, - _Ch_traits, _Ch_alloc>::const_iterator, _Allocator>& __m, - const basic_regex<_Ch_type, _Rx_traits>& __e, - regex_constants::match_flag_type __f - = regex_constants::match_default) - { return regex_search(__s.begin(), __s.end(), __m, __e, __f); } - - // tr1 [7.11.4] std [28.11.4] Function template regex_replace - /** - * @doctodo - * @param out - * @param first - * @param last - * @param e - * @param fmt - * @param flags - * - * @returns out - * @throws an exception of type regex_error. - * - * @todo Implement this function. - */ - template<typename _Out_iter, typename _Bi_iter, - typename _Rx_traits, typename _Ch_type> - inline _Out_iter - regex_replace(_Out_iter __out, _Bi_iter __first, _Bi_iter __last, - const basic_regex<_Ch_type, _Rx_traits>& __e, - const basic_string<_Ch_type>& __fmt, - regex_constants::match_flag_type __flags - = regex_constants::match_default); - - /** - * @doctodo - * @param s - * @param e - * @param fmt - * @param flags - * - * @returns a copy of string @p s with replacements. - * - * @throws an exception of type regex_error. - */ - template<typename _Rx_traits, typename _Ch_type> - inline basic_string<_Ch_type> - regex_replace(const basic_string<_Ch_type>& __s, - const basic_regex<_Ch_type, _Rx_traits>& __e, - const basic_string<_Ch_type>& __fmt, - regex_constants::match_flag_type __flags - = regex_constants::match_default) - { - std::string __result; - regex_replace(std::back_inserter(__result), - __s.begin(), __s.end(), __e, __fmt, __flags); - return __result; - } - - //@} - - // tr1 [7.12.1] std [28.12] Class template regex_iterator - /** - * An iterator adaptor that will provide repeated calls of regex_search over - * a range until no more matches remain. - */ - template<typename _Bi_iter, - typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, - typename _Rx_traits = regex_traits<_Ch_type> > - class regex_iterator - { - public: - typedef basic_regex<_Ch_type, _Rx_traits> regex_type; - typedef match_results<_Bi_iter> value_type; - typedef std::ptrdiff_t difference_type; - typedef const value_type* pointer; - typedef const value_type& reference; - typedef std::forward_iterator_tag iterator_category; - - public: - /** - * @brief Provides a singular iterator, useful for indicating - * one-past-the-end of a range. - * @todo Implement this function. - * @doctodo - */ - regex_iterator(); - - /** - * Constructs a %regex_iterator... - * @param a [IN] The start of a text range to search. - * @param b [IN] One-past-the-end of the text range to search. - * @param re [IN] The regular expression to match. - * @param m [IN] Policy flags for match rules. - * @todo Implement this function. - * @doctodo - */ - regex_iterator(_Bi_iter __a, _Bi_iter __b, const regex_type& __re, - regex_constants::match_flag_type __m - = regex_constants::match_default); - - /** - * Copy constructs a %regex_iterator. - * @todo Implement this function. - * @doctodo - */ - regex_iterator(const regex_iterator& __rhs); - - /** - * @todo Implement this function. - * @doctodo - */ - regex_iterator& - operator=(const regex_iterator& __rhs); - - /** - * @todo Implement this function. - * @doctodo - */ - bool - operator==(const regex_iterator& __rhs); - - /** - * @todo Implement this function. - * @doctodo - */ - bool - operator!=(const regex_iterator& __rhs); - - /** - * @todo Implement this function. - * @doctodo - */ - const value_type& - operator*(); - - /** - * @todo Implement this function. - * @doctodo - */ - const value_type* - operator->(); - - /** - * @todo Implement this function. - * @doctodo - */ - regex_iterator& - operator++(); - - /** - * @todo Implement this function. - * @doctodo - */ - regex_iterator - operator++(int); - - private: - // these members are shown for exposition only: - _Bi_iter begin; - _Bi_iter end; - const regex_type* pregex; - regex_constants::match_flag_type flags; - match_results<_Bi_iter> match; - }; - - typedef regex_iterator<const char*> cregex_iterator; - typedef regex_iterator<string::const_iterator> sregex_iterator; -#ifdef _GLIBCXX_USE_WCHAR_T - typedef regex_iterator<const wchar_t*> wcregex_iterator; - typedef regex_iterator<wstring::const_iterator> wsregex_iterator; -#endif - - // [7.12.2] Class template regex_token_iterator - /** - * Iterates over submatches in a range (or "splits" a text string). - * - * The purpose of this iterator is to enumerate all, or all specified, - * matches of a regular expression within a text range. The dereferenced - * value of an iterator of this class is a std::tr1::sub_match object. - */ - template<typename _Bi_iter, - typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, - typename _Rx_traits = regex_traits<_Ch_type> > - class regex_token_iterator - { - public: - typedef basic_regex<_Ch_type, _Rx_traits> regex_type; - typedef sub_match<_Bi_iter> value_type; - typedef std::ptrdiff_t difference_type; - typedef const value_type* pointer; - typedef const value_type& reference; - typedef std::forward_iterator_tag iterator_category; - - public: - /** - * @brief Default constructs a %regex_token_iterator. - * @todo Implement this function. - * - * A default-constructed %regex_token_iterator is a singular iterator - * that will compare equal to the one-past-the-end value for any - * iterator of the same type. - */ - regex_token_iterator(); - - /** - * Constructs a %regex_token_iterator... - * @param a [IN] The start of the text to search. - * @param b [IN] One-past-the-end of the text to search. - * @param re [IN] The regular expression to search for. - * @param submatch [IN] Which submatch to return. There are some - * special values for this parameter: - * - -1 each enumerated subexpression does NOT - * match the regular expression (aka field - * splitting) - * - 0 the entire string matching the - * subexpression is returned for each match - * within the text. - * - >0 enumerates only the indicated - * subexpression from a match within the text. - * @param m [IN] Policy flags for match rules. - * - * @todo Implement this function. - * @doctodo - */ - regex_token_iterator(_Bi_iter __a, _Bi_iter __b, const regex_type& __re, - int __submatch = 0, - regex_constants::match_flag_type __m - = regex_constants::match_default); - - /** - * Constructs a %regex_token_iterator... - * @param a [IN] The start of the text to search. - * @param b [IN] One-past-the-end of the text to search. - * @param re [IN] The regular expression to search for. - * @param submatches [IN] A list of subexpressions to return for each - * regular expression match within the text. - * @param m [IN] Policy flags for match rules. - * - * @todo Implement this function. - * @doctodo - */ - regex_token_iterator(_Bi_iter __a, _Bi_iter __b, - const regex_type& __re, - const std::vector<int>& __submatches, - regex_constants::match_flag_type __m - = regex_constants::match_default); - - /** - * Constructs a %regex_token_iterator... - * @param a [IN] The start of the text to search. - * @param b [IN] One-past-the-end of the text to search. - * @param re [IN] The regular expression to search for. - * @param submatches [IN] A list of subexpressions to return for each - * regular expression match within the text. - * @param m [IN] Policy flags for match rules. - - * @todo Implement this function. - * @doctodo - */ - template<std::size_t _Nm> - regex_token_iterator(_Bi_iter __a, _Bi_iter __b, - const regex_type& __re, - const int (&__submatches)[_Nm], - regex_constants::match_flag_type __m - = regex_constants::match_default); - - /** - * @brief Copy constructs a %regex_token_iterator. - * @param rhs [IN] A %regex_token_iterator to copy. - * @todo Implement this function. - */ - regex_token_iterator(const regex_token_iterator& __rhs); - - /** - * @brief Assigns a %regex_token_iterator to another. - * @param rhs [IN] A %regex_token_iterator to copy. - * @todo Implement this function. - */ - regex_token_iterator& - operator=(const regex_token_iterator& __rhs); - - /** - * @brief Compares a %regex_token_iterator to another for equality. - * @todo Implement this function. - */ - bool - operator==(const regex_token_iterator& __rhs); - - /** - * @brief Compares a %regex_token_iterator to another for inequality. - * @todo Implement this function. - */ - bool - operator!=(const regex_token_iterator& __rhs); - - /** - * @brief Dereferences a %regex_token_iterator. - * @todo Implement this function. - */ - const value_type& - operator*(); - - /** - * @brief Selects a %regex_token_iterator member. - * @todo Implement this function. - */ - const value_type* - operator->(); - - /** - * @brief Increments a %regex_token_iterator. - * @todo Implement this function. - */ - regex_token_iterator& - operator++(); - - /** - * @brief Postincrements a %regex_token_iterator. - * @todo Implement this function. - */ - regex_token_iterator - operator++(int); - - private: // data members for exposition only: - typedef regex_iterator<_Bi_iter, _Ch_type, _Rx_traits> position_iterator; - - position_iterator __position; - const value_type* __result; - value_type __suffix; - std::size_t __n; - std::vector<int> __subs; - }; - - /** @brief Token iterator for C-style NULL-terminated strings. */ - typedef regex_token_iterator<const char*> cregex_token_iterator; - /** @brief Token iterator for standard strings. */ - typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; -#ifdef _GLIBCXX_USE_WCHAR_T - /** @brief Token iterator for C-style NULL-terminated wide strings. */ - typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; - /** @brief Token iterator for standard wide-character strings. */ - typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; -#endif - - //@} - -_GLIBCXX_END_NAMESPACE_TR1 -} |