// -*- C++ -*- //===--------------------------- regex ------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_REGEX #define _LIBCPP_REGEX /* regex synopsis #include namespace std { namespace regex_constants { emum syntax_option_type { icase = unspecified, nosubs = unspecified, optimize = unspecified, collate = unspecified, ECMAScript = unspecified, basic = unspecified, extended = unspecified, awk = unspecified, grep = unspecified, egrep = unspecified }; constexpr syntax_option_type operator~(syntax_option_type f); constexpr syntax_option_type operator&(syntax_option_type lhs, syntax_option_type rhs); constexpr syntax_option_type operator|(syntax_option_type lhs, syntax_option_type rhs); enum match_flag_type { match_default = 0, match_not_bol = unspecified, match_not_eol = unspecified, match_not_bow = unspecified, match_not_eow = unspecified, match_any = unspecified, match_not_null = unspecified, match_continuous = unspecified, match_prev_avail = unspecified, format_default = 0, format_sed = unspecified, format_no_copy = unspecified, format_first_only = unspecified }; constexpr match_flag_type operator~(match_flag_type f); constexpr match_flag_type operator&(match_flag_type lhs, match_flag_type rhs); constexpr match_flag_type operator|(match_flag_type lhs, match_flag_type rhs); enum error_type { error_collate = unspecified, error_ctype = unspecified, error_escape = unspecified, error_backref = unspecified, error_brack = unspecified, error_paren = unspecified, error_brace = unspecified, error_badbrace = unspecified, error_range = unspecified, error_space = unspecified, error_badrepeat = unspecified, error_complexity = unspecified, error_stack = unspecified }; } // regex_constants class regex_error : public runtime_error { public: explicit regex_error(regex_constants::error_type ecode); regex_constants::error_type code() const; }; template struct regex_traits { public: typedef charT char_type; typedef basic_string string_type; typedef locale locale_type; typedef /bitmask_type/ char_class_type; regex_traits(); static size_t length(const char_type* p); charT translate(charT c) const; charT translate_nocase(charT c) const; template string_type transform(ForwardIterator first, ForwardIterator last) const; template string_type transform_primary( ForwardIterator first, ForwardIterator last) const; template string_type lookup_collatename(ForwardIterator first, ForwardIterator last) const; template char_class_type lookup_classname(ForwardIterator first, ForwardIterator last, bool icase = false) const; bool isctype(charT c, char_class_type f) const; int value(charT ch, int radix) const; locale_type imbue(locale_type l); locale_type getloc()const; }; template > class basic_regex { public: // types: typedef charT value_type; typedef regex_constants::syntax_option_type flag_type; typedef typename traits::locale_type locale_type; // constants: static constexpr regex_constants::syntax_option_type icase = regex_constants::icase; static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs; static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize; static constexpr regex_constants::syntax_option_type collate = regex_constants::collate; static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; static constexpr regex_constants::syntax_option_type basic = regex_constants::basic; static constexpr regex_constants::syntax_option_type extended = regex_constants::extended; static constexpr regex_constants::syntax_option_type awk = regex_constants::awk; static constexpr regex_constants::syntax_option_type grep = regex_constants::grep; static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep; // construct/copy/destroy: basic_regex(); explicit basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript); basic_regex(const charT* p, size_t len, flag_type f); basic_regex(const basic_regex&); basic_regex(basic_regex&&); template explicit basic_regex(const basic_string& p, flag_type f = regex_constants::ECMAScript); template basic_regex(ForwardIterator first, ForwardIterator last, flag_type f = regex_constants::ECMAScript); basic_regex(initializer_list, flag_type = regex_constants::ECMAScript); ~basic_regex(); basic_regex& operator=(const basic_regex&); basic_regex& operator=(basic_regex&&); basic_regex& operator=(const charT* ptr); basic_regex& operator=(initializer_list il); template basic_regex& operator=(const basic_string& p); // assign: basic_regex& assign(const basic_regex& that); basic_regex& assign(basic_regex&& that); basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript); basic_regex& assign(const charT* p, size_t len, flag_type f); template basic_regex& assign(const basic_string& s, flag_type f = regex_constants::ECMAScript); template basic_regex& assign(InputIterator first, InputIterator last, flag_type f = regex_constants::ECMAScript); basic_regex& assign(initializer_list, flag_type = regex_constants::ECMAScript); // const operations: unsigned mark_count() const; flag_type flags() const; // locale: locale_type imbue(locale_type loc); locale_type getloc() const; // swap: void swap(basic_regex&); }; typedef basic_regex regex; typedef basic_regex wregex; template void swap(basic_regex& e1, basic_regex& e2); template class sub_match : public pair { public: typedef typename iterator_traits::value_type value_type; typedef typename iterator_traits::difference_type difference_type; typedef BidirectionalIterator iterator; typedef basic_string string_type; bool matched; difference_type length() const; operator string_type() const; string_type str() const; int compare(const sub_match& s) const; int compare(const string_type& s) const; int compare(const value_type* s) const; }; typedef sub_match csub_match; typedef sub_match wcsub_match; typedef sub_match ssub_match; typedef sub_match wssub_match; template bool operator==(const sub_match& lhs, const sub_match& rhs); template bool operator!=(const sub_match& lhs, const sub_match& rhs); template bool operator<(const sub_match& lhs, const sub_match& rhs); template bool operator<=(const sub_match& lhs, const sub_match& rhs); template bool operator>=(const sub_match& lhs, const sub_match& rhs); template bool operator>(const sub_match& lhs, const sub_match& rhs); template bool operator==(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator!=(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator<(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator>(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator>=(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator<=(const basic_string::value_type, ST, SA>& lhs, const sub_match& rhs); template bool operator==(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator!=(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator<(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator>(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator>=(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator<=(const sub_match& lhs, const basic_string::value_type, ST, SA>& rhs); template bool operator==(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator!=(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator<(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator>(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator>=(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator<=(typename iterator_traits::value_type const* lhs, const sub_match& rhs); template bool operator==(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator!=(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator<(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator>(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator>=(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator<=(const sub_match& lhs, typename iterator_traits::value_type const* rhs); template bool operator==(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator!=(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator<(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator>(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator>=(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator<=(typename iterator_traits::value_type const& lhs, const sub_match& rhs); template bool operator==(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template bool operator!=(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template bool operator<(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template bool operator>(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template bool operator>=(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template bool operator<=(const sub_match& lhs, typename iterator_traits::value_type const& rhs); template basic_ostream& operator<<(basic_ostream& os, const sub_match& m); template >> class match_results { public: typedef sub_match value_type; typedef const value_type& const_reference; typedef const_reference reference; typedef /implementation-defined/ const_iterator; typedef const_iterator iterator; typedef typename iterator_traits::difference_type difference_type; typedef typename allocator_traits::size_type size_type; typedef Allocator allocator_type; typedef typename iterator_traits::value_type char_type; typedef basic_string string_type; // construct/copy/destroy: explicit match_results(const Allocator& a = Allocator()); match_results(const match_results& m); match_results(match_results&& m); match_results& operator=(const match_results& m); match_results& operator=(match_results&& m); ~match_results(); // size: size_type size() const; size_type max_size() const; bool empty() const; // element access: difference_type length(size_type sub = 0) const; difference_type position(size_type sub = 0) const; string_type str(size_type sub = 0) const; const_reference operator[](size_type n) const; const_reference prefix() const; const_reference suffix() const; const_iterator begin() const; const_iterator end() const; const_iterator cbegin() const; const_iterator cend() const; // format: template OutputIter format(OutputIter out, const char_type* fmt_first, const char_type* fmt_last, regex_constants::match_flag_type flags = regex_constants::format_default) const; template OutputIter format(OutputIter out, const basic_string& fmt, regex_constants::match_flag_type flags = regex_constants::format_default) const; template basic_string format(const basic_string& fmt, regex_constants::match_flag_type flags = regex_constants::format_default) const; string_type format(const char_type* fmt, regex_constants::match_flag_type flags = regex_constants::format_default) const; // allocator: allocator_type get_allocator() const; // swap: void swap(match_results& that); }; typedef match_results cmatch; typedef match_results wcmatch; typedef match_results smatch; typedef match_results wsmatch; template bool operator==(const match_results& m1, const match_results& m2); template bool operator!=(const match_results& m1, const match_results& m2); template void swap(match_results& m1, match_results& m2); template bool regex_match(BidirectionalIterator first, BidirectionalIterator last, match_results& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_match(BidirectionalIterator first, BidirectionalIterator last, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_match(const charT* str, match_results& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_match(const basic_string& s, match_results::const_iterator, Allocator>& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_match(const charT* str, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_match(const basic_string& s, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(BidirectionalIterator first, BidirectionalIterator last, match_results& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(BidirectionalIterator first, BidirectionalIterator last, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(const charT* str, match_results& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(const charT* str, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(const basic_string& s, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template bool regex_search(const basic_string& s, match_results::const_iterator, Allocator>& m, const basic_regex& e, regex_constants::match_flag_type flags = regex_constants::match_default); template OutputIterator regex_replace(OutputIterator out, BidirectionalIterator first, BidirectionalIterator last, const basic_regex& e, const basic_string& fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template OutputIterator regex_replace(OutputIterator out, BidirectionalIterator first, BidirectionalIterator last, const basic_regex& e, const charT* fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template > basic_string regex_replace(const basic_string& s, const basic_regex& e, const basic_string& fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template basic_string regex_replace(const basic_string& s, const basic_regex& e, const charT* fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template basic_string regex_replace(const charT* s, const basic_regex& e, const basic_string& fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template basic_string regex_replace(const charT* s, const basic_regex& e, const charT* fmt, regex_constants::match_flag_type flags = regex_constants::match_default); template ::value_type, class traits = regex_traits> class regex_iterator { public: typedef basic_regex regex_type; typedef match_results value_type; typedef ptrdiff_t difference_type; typedef const value_type* pointer; typedef const value_type& reference; typedef forward_iterator_tag iterator_category; regex_iterator(); regex_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re, regex_constants::match_flag_type m = regex_constants::match_default); regex_iterator(const regex_iterator&); regex_iterator& operator=(const regex_iterator&); bool operator==(const regex_iterator&) const; bool operator!=(const regex_iterator&) const; const value_type& operator*() const; const value_type* operator->() const; regex_iterator& operator++(); regex_iterator operator++(int); }; typedef regex_iterator cregex_iterator; typedef regex_iterator wcregex_iterator; typedef regex_iterator sregex_iterator; typedef regex_iterator wsregex_iterator; template ::value_type, class traits = regex_traits> class regex_token_iterator { public: typedef basic_regex regex_type; typedef sub_match value_type; typedef ptrdiff_t difference_type; typedef const value_type* pointer; typedef const value_type& reference; typedef forward_iterator_tag iterator_category; regex_token_iterator(); regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re, int submatch = 0, regex_constants::match_flag_type m = regex_constants::match_default); regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re, const vector& submatches, regex_constants::match_flag_type m = regex_constants::match_default); regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re, initializer_list submatches, regex_constants::match_flag_type m = regex_constants::match_default); template regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re, const int (&submatches)[N], regex_constants::match_flag_type m = regex_constants::match_default); regex_token_iterator(const regex_token_iterator&); regex_token_iterator& operator=(const regex_token_iterator&); bool operator==(const regex_token_iterator&) const; bool operator!=(const regex_token_iterator&) const; const value_type& operator*() const; const value_type* operator->() const; regex_token_iterator& operator++(); regex_token_iterator operator++(int); }; typedef regex_token_iterator cregex_token_iterator; typedef regex_token_iterator wcregex_token_iterator; typedef regex_token_iterator sregex_token_iterator; typedef regex_token_iterator wsregex_token_iterator; } // std */ #include <__config> #include #include <__locale> #include #include #include #include #include #include #pragma GCC system_header _LIBCPP_BEGIN_NAMESPACE_STD namespace regex_constants { // syntax_option_type enum syntax_option_type { icase = 1 << 0, nosubs = 1 << 1, optimize = 1 << 2, collate = 1 << 3, ECMAScript = 1 << 4, basic = 1 << 5, extended = 1 << 6, awk = 1 << 7, grep = 1 << 8, egrep = 1 << 9 }; inline /*constexpr*/ syntax_option_type operator~(syntax_option_type __x) { return syntax_option_type(~int(__x)); } inline /*constexpr*/ syntax_option_type operator&(syntax_option_type __x, syntax_option_type __y) { return syntax_option_type(int(__x) & int(__y)); } inline /*constexpr*/ syntax_option_type operator|(syntax_option_type __x, syntax_option_type __y) { return syntax_option_type(int(__x) | int(__y)); } inline /*constexpr*/ syntax_option_type operator^(syntax_option_type __x, syntax_option_type __y) { return syntax_option_type(int(__x) ^ int(__y)); } inline /*constexpr*/ syntax_option_type& operator&=(syntax_option_type& __x, syntax_option_type __y) { __x = __x & __y; return __x; } inline /*constexpr*/ syntax_option_type& operator|=(syntax_option_type& __x, syntax_option_type __y) { __x = __x | __y; return __x; } inline /*constexpr*/ syntax_option_type& operator^=(syntax_option_type& __x, syntax_option_type __y) { __x = __x ^ __y; return __x; } // match_flag_type enum match_flag_type { match_default = 0, match_not_bol = 1 << 0, match_not_eol = 1 << 1, match_not_bow = 1 << 2, match_not_eow = 1 << 3, match_any = 1 << 4, match_not_null = 1 << 5, match_continuous = 1 << 6, match_prev_avail = 1 << 7, format_default = 0, format_sed = 1 << 8, format_no_copy = 1 << 9, format_first_only = 1 << 10 }; inline /*constexpr*/ match_flag_type operator~(match_flag_type __x) { return match_flag_type(~int(__x)); } inline /*constexpr*/ match_flag_type operator&(match_flag_type __x, match_flag_type __y) { return match_flag_type(int(__x) & int(__y)); } inline /*constexpr*/ match_flag_type operator|(match_flag_type __x, match_flag_type __y) { return match_flag_type(int(__x) | int(__y)); } inline /*constexpr*/ match_flag_type operator^(match_flag_type __x, match_flag_type __y) { return match_flag_type(int(__x) ^ int(__y)); } inline /*constexpr*/ match_flag_type& operator&=(match_flag_type& __x, match_flag_type __y) { __x = __x & __y; return __x; } inline /*constexpr*/ match_flag_type& operator|=(match_flag_type& __x, match_flag_type __y) { __x = __x | __y; return __x; } inline /*constexpr*/ match_flag_type& operator^=(match_flag_type& __x, match_flag_type __y) { __x = __x ^ __y; return __x; } enum error_type { error_collate = 1, error_ctype, error_escape, error_backref, error_brack, error_paren, error_brace, error_badbrace, error_range, error_space, error_badrepeat, error_complexity, error_stack, error_temp }; } // regex_constants class _LIBCPP_EXCEPTION_ABI regex_error : public runtime_error { regex_constants::error_type __code_; public: explicit regex_error(regex_constants::error_type __ecode); virtual ~regex_error() throw(); regex_constants::error_type code() const {return __code_;} }; template struct regex_traits { public: typedef _CharT char_type; typedef basic_string string_type; typedef locale locale_type; typedef ctype_base::mask char_class_type; static const char_class_type __regex_word = 0x80; private: locale __loc_; const ctype* __ct_; const collate* __col_; public: regex_traits(); static size_t length(const char_type* __p) {return char_traits::length(__p);} char_type translate(char_type __c) const {return __c;} char_type translate_nocase(char_type __c) const; template string_type transform(_ForwardIterator __f, _ForwardIterator __l) const; template string_type transform_primary( _ForwardIterator __f, _ForwardIterator __l) const {return __transform_primary(__f, __l, char_type());} template string_type lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const {return __lookup_collatename(__f, __l, char_type());} template char_class_type lookup_classname(_ForwardIterator __f, _ForwardIterator __l, bool __icase = false) const {return __lookup_classname(__f, __l, __icase, char_type());} bool isctype(char_type __c, char_class_type __m) const; int value(char_type __ch, int __radix) const {return __value(__ch, __radix);} locale_type imbue(locale_type __l); locale_type getloc()const {return __loc_;} private: void __init(); template string_type __transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const; template string_type __transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; template string_type __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const; template string_type __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; template char_class_type __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, bool __icase, char) const; template char_class_type __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, bool __icase, wchar_t) const; static int __value(unsigned char __ch, int __radix); int __value(char __ch, int __radix) const {return __value(static_cast(__ch), __radix);} int __value(wchar_t __ch, int __radix) const; }; template regex_traits<_CharT>::regex_traits() { __init(); } template typename regex_traits<_CharT>::char_type regex_traits<_CharT>::translate_nocase(char_type __c) const { return __ct_->tolower(__c); } template template typename regex_traits<_CharT>::string_type regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const { string_type __s(__f, __l); return __col_->transform(__s.data(), __s.data() + __s.size()); } template void regex_traits<_CharT>::__init() { __ct_ = &use_facet >(__loc_); __col_ = &use_facet >(__loc_); } template typename regex_traits<_CharT>::locale_type regex_traits<_CharT>::imbue(locale_type __l) { locale __r = __loc_; __loc_ = __l; __init(); return __r; } // transform_primary is very FreeBSD-specific template template typename regex_traits<_CharT>::string_type regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const { const string_type __s(__f, __l); string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); switch (__d.size()) { case 1: break; case 12: __d[11] = __d[3]; break; default: __d.clear(); break; } return __d; } template template typename regex_traits<_CharT>::string_type regex_traits<_CharT>::__transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const { const string_type __s(__f, __l); string_type __d = __col_->transform(__s.data(), __s.data() + __s.size()); switch (__d.size()) { case 1: break; case 3: __d[2] = __d[0]; break; default: __d.clear(); break; } return __d; } // lookup_collatename is very FreeBSD-specific string __get_collation_name(const char* __s); template template typename regex_traits<_CharT>::string_type regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const { string_type __s(__f, __l); string_type __r; if (!__s.empty()) { __r = __get_collation_name(__s.c_str()); if (__r.empty() && __s.size() <= 2) { __r = __col_->transform(__s.data(), __s.data() + __s.size()); if (__r.size() == 1 || __r.size() == 12) __r = __s; else __r.clear(); } } return __r; } template template typename regex_traits<_CharT>::string_type regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const { string_type __s(__f, __l); string __n; __n.reserve(__s.size()); for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); __i != __e; ++__i) { if (static_cast(*__i) >= 127) return string_type(); __n.push_back(char(*__i)); } string_type __r; if (!__s.empty()) { __n = __get_collation_name(__n.c_str()); if (!__n.empty()) __r.assign(__n.begin(), __n.end()); else if (__s.size() <= 2) { __r = __col_->transform(__s.data(), __s.data() + __s.size()); if (__r.size() == 1 || __r.size() == 3) __r = __s; else __r.clear(); } } return __r; } // lookup_classname ctype_base::mask __get_classname(const char* __s, bool __icase); template template typename regex_traits<_CharT>::char_class_type regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, _ForwardIterator __l, bool __icase, char) const { string_type __s(__f, __l); __ct_->tolower(&__s[0], &__s[0] + __s.size()); return __get_classname(__s.c_str(), __icase); } template template typename regex_traits<_CharT>::char_class_type regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f, _ForwardIterator __l, bool __icase, wchar_t) const { string_type __s(__f, __l); __ct_->tolower(&__s[0], &__s[0] + __s.size()); string __n; __n.reserve(__s.size()); for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end(); __i != __e; ++__i) { if (static_cast(*__i) >= 127) return char_class_type(); __n.push_back(char(*__i)); } return __get_classname(__n.c_str(), __icase); } template bool regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const { if (__ct_->is(__m, __c)) return true; return (__c == '_' && (__m & __regex_word)); } template int regex_traits<_CharT>::__value(unsigned char __ch, int __radix) { if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7' return __ch - '0'; if (__radix != 8) { if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9' return __ch - '0'; if (__radix == 16) { __ch |= 0x20; // tolower if ('a' <= __ch && __ch <= 'f') return __ch - ('a' - 10); } } return -1; } template inline int regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const { return __value(static_cast(__ct_->narrow(__ch, char_type())), __radix); } template class __transition; template class __state { typedef __transition<_CharT> __transition; __transition* __t1_; __transition* __t2_; int __state_; enum { __1_not_tried = 0, __1_succeded = 1, __1_failed = 2, __2_not_tried = 0, __2_succeded = 4, __2_failed = 8 }; __state(const __state&); __state& operator=(const __state&); public: __state() : __t1_(), __t2_(), __state_() {} ~__state(); const __state* operator()(_CharT __c); void __add_one(__transition* __t) {__t1_ = __t;} }; template __state<_CharT>::~__state() { delete __t1_; delete __t2_; } template const __state<_CharT>* __state<_CharT>::operator()(_CharT __c) { const __state* __r = nullptr; if ((__state_ & 3) == 0) { if (__t1_) { __r = (*__t1_)(__c); if (__r) __state_ |= __1_succeded; else __state_ |= __1_failed; } else __state_ |= __1_failed; } else if ((__state_ & 0xC) == 0) { if (__t2_) { __r = (*__t2_)(__c); if (__r) __state_ |= __2_succeded; else __state_ |= __2_failed; } else __state_ |= __2_failed; } return __r; } template class __transition { __transition(const __transition&); __transition& operator=(const __transition&); typedef __state<_CharT> __state; typedef unique_ptr<__state, void(*)(__state*)> __sptr; static void __delete_state(__state* __p) {delete __p;} static void __ignore_state(__state*) {} protected: __sptr __sptr_; public: __transition(bool __owns, __state* __st) : __sptr_(__st, __owns ? &__delete_state : &__ignore_state) {} virtual ~__transition() {} virtual const __state* operator()(_CharT) const {return __sptr_.get();} }; template class __match_char : public __transition<_CharT> { typedef __transition<_CharT> base; _CharT __c_; public: __match_char(_CharT __c, bool __owns, __state<_CharT>* __st) : base(__owns, __st), __c_(__c) {} virtual const __state<_CharT>* operator()(_CharT __c) const {return __c == __c_ ? base::__sptr_.get() : nullptr;} }; template > class basic_regex { public: // types: typedef _CharT value_type; typedef regex_constants::syntax_option_type flag_type; typedef typename _Traits::locale_type locale_type; private: _Traits __traits_; flag_type __flags_; unsigned __marked_count_; int __open_count_; shared_ptr<__state<_CharT> > __start_; __state<_CharT>* __end_; public: // constants: static const/*expr*/ regex_constants::syntax_option_type icase = regex_constants::icase; static const/*expr*/ regex_constants::syntax_option_type nosubs = regex_constants::nosubs; static const/*expr*/ regex_constants::syntax_option_type optimize = regex_constants::optimize; static const/*expr*/ regex_constants::syntax_option_type collate = regex_constants::collate; static const/*expr*/ regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript; static const/*expr*/ regex_constants::syntax_option_type basic = regex_constants::basic; static const/*expr*/ regex_constants::syntax_option_type extended = regex_constants::extended; static const/*expr*/ regex_constants::syntax_option_type awk = regex_constants::awk; static const/*expr*/ regex_constants::syntax_option_type grep = regex_constants::grep; static const/*expr*/ regex_constants::syntax_option_type egrep = regex_constants::egrep; // construct/copy/destroy: basic_regex(); explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript) : __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0) {__parse(__p, __p + __traits_.length(__p));} basic_regex(const value_type* __p, size_t __len, flag_type __f) : __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0) {__parse(__p, __p + __len);} basic_regex(const basic_regex&); #ifdef _LIBCPP_MOVE basic_regex(basic_regex&&); #endif template explicit basic_regex(const basic_string& __p, flag_type __f = regex_constants::ECMAScript) : __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0) {__parse(__p.begin(), __p.end());} template basic_regex(_ForwardIterator __first, _ForwardIterator __last, flag_type __f = regex_constants::ECMAScript) : __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0) {__parse(__first, __last);} basic_regex(initializer_list __il, flag_type __f = regex_constants::ECMAScript) : __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0) {__parse(__il.begin(), __il.end());} ~basic_regex(); basic_regex& operator=(const basic_regex&); #ifdef _LIBCPP_MOVE basic_regex& operator=(basic_regex&&); #endif basic_regex& operator=(const value_type* __p); basic_regex& operator=(initializer_list __il); template basic_regex& operator=(const basic_string& __p); // assign: basic_regex& assign(const basic_regex& __that); #ifdef _LIBCPP_MOVE basic_regex& assign(basic_regex&& __that); #endif basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript); basic_regex& assign(const value_type* __p, size_t __len, flag_type __f); template basic_regex& assign(const basic_string& __s, flag_type __f = regex_constants::ECMAScript); template basic_regex& assign(_InputIterator __first, _InputIterator __last, flag_type __f = regex_constants::ECMAScript); basic_regex& assign(initializer_list __il, flag_type = regex_constants::ECMAScript); // const operations: unsigned mark_count() const {return __marked_count_;} flag_type flags() const {return __flags_;} // locale: locale_type imbue(locale_type __loc) {return __traits_.imbue(__loc);} locale_type getloc() const {return __traits_.getloc();} // swap: void swap(basic_regex&); private: template void __parse(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_follow_list(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_expression_term(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_equivalence_class(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_character_class(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_collating_symbol(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_DUP_COUNT(_ForwardIterator __first, _ForwardIterator __last, int& __c); template _ForwardIterator __parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_one_char_or_coll_elem_ERE(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); template _ForwardIterator __parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last); void __push_l_anchor() {} void __push_r_anchor() {} void __push_match_any() {} void __push_greedy_inf_repeat(int __min) {} void __push_exact_repeat(int __count) {} void __push_repeat(int __min, int __max) {} void __start_nonmatching_list() {} void __start_matching_list() {} void __end_nonmatching_list() {} void __end_matching_list() {} void __push_char(value_type __c); void __push_char(const typename _Traits::string_type& __c) {} void __push_range() {} void __push_class_type(typename _Traits::char_class_type) {} void __push_back_ref(int __i) {} void __push_alternation() {} }; template inline basic_regex<_CharT, _Traits>::basic_regex() : __traits_(), __flags_(), __marked_count_(0) { } template basic_regex<_CharT, _Traits>::~basic_regex() { } template template void basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first, _ForwardIterator __last) { switch (__flags_ & 0x3F0) { case ECMAScript: break; case basic: __parse_basic_reg_exp(__first, __last); break; case extended: __parse_extended_reg_exp(__first, __last); break; case awk: break; case grep: break; case egrep: break; default: throw regex_error(regex_constants::error_temp); } } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { if (*__first == '^') { __push_l_anchor(); ++__first; } if (__first != __last) { __first = __parse_RE_expression(__first, __last); if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp == __last && *__first == '$') { __push_r_anchor(); ++__first; } } } if (__first != __last) throw regex_error(regex_constants::error_temp); } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last) { while (true) { _ForwardIterator __temp = __parse_ERE_branch(__first, __last); if (__temp == __first) throw regex_error(regex_constants::error_temp); __first = __temp; if (__first == __last) break; if (*__first != '|') throw regex_error(regex_constants::error_temp); __push_alternation(); ++__first; } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __temp = __parse_ERE_expression(__first, __last); if (__temp == __first) throw regex_error(regex_constants::error_temp); do { __first = __temp; __temp = __parse_ERE_expression(__first, __last); } while (__temp != __first); return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __temp = __parse_one_char_or_coll_elem_ERE(__first, __last); if (__temp == __first && __temp != __last) { switch (*__temp) { case '^': __push_l_anchor(); ++__temp; break; case '$': __push_r_anchor(); ++__temp; break; case '(': ++__marked_count_; ++__open_count_; __temp = __parse_extended_reg_exp(++__temp, __last); if (__temp == __last || *__temp != ')') throw regex_error(regex_constants::error_paren); --__open_count_; ++__temp; break; } } if (__temp != __first) __temp = __parse_ERE_dupl_symbol(__temp, __last); __first = __temp; return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last) { while (true) { _ForwardIterator __temp = __parse_simple_RE(__first, __last); if (__temp == __first) break; __first = __temp; } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = __parse_nondupl_RE(__first, __last); if (__temp != __first) { __first = __temp; __first = __parse_RE_dupl_symbol(__first, __last); } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __temp = __first; __first = __parse_one_char_or_coll_elem_RE(__first, __last); if (__temp == __first) { __temp = __parse_Back_open_paren(__first, __last); if (__temp != __first) { ++__marked_count_; __first = __parse_RE_expression(__temp, __last); __temp = __parse_Back_close_paren(__first, __last); if (__temp == __first) throw regex_error(regex_constants::error_paren); __first = __temp; } else __first = __parse_BACKREF(__first, __last); } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE( _ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __temp = __parse_ORD_CHAR(__first, __last); if (__temp == __first) { __temp = __parse_QUOTED_CHAR(__first, __last); if (__temp == __first) { if (__temp != __last && *__temp == '.') { __push_match_any(); ++__temp; } else __temp = __parse_bracket_expression(__first, __last); } } __first = __temp; return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_ERE( _ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __temp = __parse_ORD_CHAR_ERE(__first, __last); if (__temp == __first) { __temp = __parse_QUOTED_CHAR_ERE(__first, __last); if (__temp == __first) { if (__temp != __last && *__temp == '.') { __push_match_any(); ++__temp; } else __temp = __parse_bracket_expression(__first, __last); } } __first = __temp; return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\' && *__temp == '(') __first = ++__temp; } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\' && *__temp == ')') __first = ++__temp; } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\' && *__temp == '{') __first = ++__temp; } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\' && *__temp == '}') __first = ++__temp; } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\' && '1' <= *__temp && *__temp <= '9') { __push_back_ref(*__temp - '0'); __first = ++__temp; } } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp == __last && *__first == '$') return __first; // Not called inside a bracket if (*__first == '.' || *__first == '\\' || *__first == '[') return __first; __push_char(*__first); ++__first; } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { switch (*__first) { case '^': case '.': case '[': case '$': case '(': case '|': case '*': case '+': case '?': case '{': case '\\': break; case ')': if (__open_count_ == 0) { __push_char(*__first); ++__first; } break; default: __push_char(*__first); ++__first; break; } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\') { switch (*__temp) { case '^': case '.': case '*': case '[': case '$': case '\\': __push_char(*__temp); __first = ++__temp; break; } } } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { _ForwardIterator __temp = next(__first); if (__temp != __last) { if (*__first == '\\') { switch (*__temp) { case '^': case '.': case '*': case '[': case '$': case '\\': case '(': case ')': case '|': case '+': case '?': case '{': __push_char(*__temp); __first = ++__temp; break; } } } } return __first; } template template _ForwardIterator basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last) { if (__first != __last) { if (*__first == '*') { __push_greedy_inf_repeat(0); ++__first; } else { _ForwardIterator __temp = __parse_Back_open_brace(__first, __last); if (__temp != __first) { int __min = 0; __first = __temp; __temp = __parse_DUP_COUNT(__first, __last, __min); if (__temp == __first) throw regex_error(regex_constants::error_badbrace); __first = __temp; if (__first == __last) throw regex_error(regex_constants::error_brace); if (*__first != ',') { __temp = __parse_Back_close_brace(__first, __last); if (__temp == __first) throw regex_error(regex_constants::error_brace); __push_exact_repeat(__min); __first = __temp; } else { ++__first; // consume ',' int __max = -1; __first = __parse_DUP_COUNT(__first, __last, __max); __temp = __parse_Back_close_brace(__first, __last); if (__temp == __first) throw regex_error(regex_constants::error_brace); if (__max == -1) __push_greedy_inf_repeat(__min); else { if (__max < __min) throw regex_error(regex_constants::error_badbrace); __push_repeat(__min, __max); } __first = __temp; } } } } return __first; } template template