| // -*- 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 <initializer_list> |
| |
| 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 <class charT> |
| struct regex_traits |
| { |
| public: |
| typedef charT char_type; |
| typedef basic_string<char_type> 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 <class ForwardIterator> |
| string_type |
| transform(ForwardIterator first, ForwardIterator last) const; |
| template <class ForwardIterator> |
| string_type |
| transform_primary( ForwardIterator first, ForwardIterator last) const; |
| template <class ForwardIterator> |
| string_type |
| lookup_collatename(ForwardIterator first, ForwardIterator last) const; |
| template <class ForwardIterator> |
| 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 charT, class traits = regex_traits<charT>> |
| 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 <class ST, class SA> |
| explicit basic_regex(const basic_string<charT, ST, SA>& p, |
| flag_type f = regex_constants::ECMAScript); |
| template <class ForwardIterator> |
| basic_regex(ForwardIterator first, ForwardIterator last, |
| flag_type f = regex_constants::ECMAScript); |
| basic_regex(initializer_list<charT>, 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<charT> il); |
| template <class ST, class SA> |
| basic_regex& operator=(const basic_string<charT, ST, SA>& 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 <class string_traits, class A> |
| basic_regex& assign(const basic_string<charT, string_traits, A>& s, |
| flag_type f = regex_constants::ECMAScript); |
| template <class InputIterator> |
| basic_regex& assign(InputIterator first, InputIterator last, |
| flag_type f = regex_constants::ECMAScript); |
| basic_regex& assign(initializer_list<charT>, 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<char> regex; |
| typedef basic_regex<wchar_t> wregex; |
| |
| template <class charT, class traits> |
| void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2); |
| |
| template <class BidirectionalIterator> |
| class sub_match |
| : public pair<BidirectionalIterator, BidirectionalIterator> |
| { |
| public: |
| typedef typename iterator_traits<BidirectionalIterator>::value_type value_type; |
| typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type; |
| typedef BidirectionalIterator iterator; |
| typedef basic_string<value_type> 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<const char*> csub_match; |
| typedef sub_match<const wchar_t*> wcsub_match; |
| typedef sub_match<string::const_iterator> ssub_match; |
| typedef sub_match<wstring::const_iterator> wssub_match; |
| |
| template <class BiIter> |
| bool |
| operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator==(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator!=(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator<(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool operator>(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator>=(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter, class ST, class SA> |
| bool |
| operator<=(const sub_match<BiIter>& lhs, |
| const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator==(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator!=(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>=(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<=(typename iterator_traits<BiIter>::value_type const* lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator==(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator!=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator<(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator>(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator>=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator<=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const* rhs); |
| |
| template <class BiIter> |
| bool |
| operator==(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator!=(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>=(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<=(typename iterator_traits<BiIter>::value_type const& lhs, |
| const sub_match<BiIter>& rhs); |
| |
| template <class BiIter> |
| bool |
| operator==(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class BiIter> |
| bool |
| operator!=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class BiIter> |
| bool |
| operator>=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class BiIter> |
| bool |
| operator<=(const sub_match<BiIter>& lhs, |
| typename iterator_traits<BiIter>::value_type const& rhs); |
| |
| template <class charT, class ST, class BiIter> |
| basic_ostream<charT, ST>& |
| operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m); |
| |
| template <class BidirectionalIterator, |
| class Allocator = allocator<sub_match<BidirectionalIterator>>> |
| class match_results |
| { |
| public: |
| typedef sub_match<BidirectionalIterator> 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<BidirectionalIterator>::difference_type difference_type; |
| typedef typename allocator_traits<Allocator>::size_type size_type; |
| typedef Allocator allocator_type; |
| typedef typename iterator_traits<BidirectionalIterator>::value_type char_type; |
| typedef basic_string<char_type> 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 <class OutputIter> |
| 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 <class OutputIter, class ST, class SA> |
| OutputIter |
| format(OutputIter out, const basic_string<char_type, ST, SA>& fmt, |
| regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| template <class ST, class SA> |
| basic_string<char_type, ST, SA> |
| format(const basic_string<char_type, ST, SA>& 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<const char*> cmatch; |
| typedef match_results<const wchar_t*> wcmatch; |
| typedef match_results<string::const_iterator> smatch; |
| typedef match_results<wstring::const_iterator> wsmatch; |
| |
| template <class BidirectionalIterator, class Allocator> |
| bool |
| operator==(const match_results<BidirectionalIterator, Allocator>& m1, |
| const match_results<BidirectionalIterator, Allocator>& m2); |
| |
| template <class BidirectionalIterator, class Allocator> |
| bool |
| operator!=(const match_results<BidirectionalIterator, Allocator>& m1, |
| const match_results<BidirectionalIterator, Allocator>& m2); |
| |
| template <class BidirectionalIterator, class Allocator> |
| void |
| swap(match_results<BidirectionalIterator, Allocator>& m1, |
| match_results<BidirectionalIterator, Allocator>& m2); |
| |
| template <class BidirectionalIterator, class Allocator, class charT, class traits> |
| bool |
| regex_match(BidirectionalIterator first, BidirectionalIterator last, |
| match_results<BidirectionalIterator, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class BidirectionalIterator, class charT, class traits> |
| bool |
| regex_match(BidirectionalIterator first, BidirectionalIterator last, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class charT, class Allocator, class traits> |
| bool |
| regex_match(const charT* str, match_results<const charT*, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class ST, class SA, class Allocator, class charT, class traits> |
| bool |
| regex_match(const basic_string<charT, ST, SA>& s, |
| match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class charT, class traits> |
| bool |
| regex_match(const charT* str, const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class ST, class SA, class charT, class traits> |
| bool |
| regex_match(const basic_string<charT, ST, SA>& s, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class BidirectionalIterator, class Allocator, class charT, class traits> |
| bool |
| regex_search(BidirectionalIterator first, BidirectionalIterator last, |
| match_results<BidirectionalIterator, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class BidirectionalIterator, class charT, class traits> |
| bool |
| regex_search(BidirectionalIterator first, BidirectionalIterator last, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class charT, class Allocator, class traits> |
| bool |
| regex_search(const charT* str, match_results<const charT*, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class charT, class traits> |
| bool |
| regex_search(const charT* str, const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class ST, class SA, class charT, class traits> |
| bool |
| regex_search(const basic_string<charT, ST, SA>& s, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class ST, class SA, class Allocator, class charT, class traits> |
| bool |
| regex_search(const basic_string<charT, ST, SA>& s, |
| match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m, |
| const basic_regex<charT, traits>& e, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class OutputIterator, class BidirectionalIterator, |
| class traits, class charT, class ST, class SA> |
| OutputIterator |
| regex_replace(OutputIterator out, |
| BidirectionalIterator first, BidirectionalIterator last, |
| const basic_regex<charT, traits>& e, |
| const basic_string<charT, ST, SA>& fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class OutputIterator, class BidirectionalIterator, |
| class traits, class charT> |
| OutputIterator |
| regex_replace(OutputIterator out, |
| BidirectionalIterator first, BidirectionalIterator last, |
| const basic_regex<charT, traits>& e, const charT* fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class traits, class charT, class ST, class SA, class FST, class FSA>> |
| basic_string<charT, ST, SA> |
| regex_replace(const basic_string<charT, ST, SA>& s, |
| const basic_regex<charT, traits>& e, |
| const basic_string<charT, FST, FSA>& fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class traits, class charT, class ST, class SA> |
| basic_string<charT, ST, SA> |
| regex_replace(const basic_string<charT, ST, SA>& s, |
| const basic_regex<charT, traits>& e, const charT* fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class traits, class charT, class ST, class SA> |
| basic_string<charT> |
| regex_replace(const charT* s, |
| const basic_regex<charT, traits>& e, |
| const basic_string<charT, ST, SA>& fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class traits, class charT> |
| basic_string<charT> |
| regex_replace(const charT* s, |
| const basic_regex<charT, traits>& e, |
| const charT* fmt, |
| regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| template <class BidirectionalIterator, |
| class charT = typename iterator_traits< BidirectionalIterator>::value_type, |
| class traits = regex_traits<charT>> |
| class regex_iterator |
| { |
| public: |
| typedef basic_regex<charT, traits> regex_type; |
| typedef match_results<BidirectionalIterator> 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<const char*> cregex_iterator; |
| typedef regex_iterator<const wchar_t*> wcregex_iterator; |
| typedef regex_iterator<string::const_iterator> sregex_iterator; |
| typedef regex_iterator<wstring::const_iterator> wsregex_iterator; |
| |
| template <class BidirectionalIterator, |
| class charT = typename iterator_traits< BidirectionalIterator>::value_type, |
| class traits = regex_traits<charT>> |
| class regex_token_iterator |
| { |
| public: |
| typedef basic_regex<charT, traits> regex_type; |
| typedef sub_match<BidirectionalIterator> 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<int>& submatches, |
| regex_constants::match_flag_type m = regex_constants::match_default); |
| regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, |
| const regex_type& re, initializer_list<int> submatches, |
| regex_constants::match_flag_type m = regex_constants::match_default); |
| template <size_t N> |
| 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<const char*> cregex_token_iterator; |
| typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator; |
| typedef regex_token_iterator<string::const_iterator> sregex_token_iterator; |
| typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator; |
| |
| } // std |
| */ |
| |
| #include <__config> |
| #include <stdexcept> |
| #include <__locale> |
| |
| #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 |
| }; |
| |
| } // 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 <class _CharT> |
| struct regex_traits |
| { |
| public: |
| typedef _CharT char_type; |
| typedef basic_string<char_type> 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<char_type>* __ct_; |
| const collate<char_type>* __col_; |
| |
| public: |
| regex_traits(); |
| |
| static size_t length(const char_type* __p) |
| {return char_traits<char_type>::length(__p);} |
| char_type translate(char_type __c) const {return __c;} |
| char_type translate_nocase(char_type __c) const; |
| template <class _ForwardIterator> |
| string_type |
| transform(_ForwardIterator __f, _ForwardIterator __l) const; |
| template <class _ForwardIterator> |
| string_type |
| transform_primary( _ForwardIterator __f, _ForwardIterator __l) const |
| {return __transform_primary(__f, __l, char_type());} |
| template <class _ForwardIterator> |
| string_type |
| lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const |
| {return __lookup_collatename(__f, __l, char_type());} |
| template <class _ForwardIterator> |
| 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 <class _ForwardIterator> |
| string_type |
| __transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const; |
| template <class _ForwardIterator> |
| string_type |
| __transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; |
| |
| template <class _ForwardIterator> |
| string_type |
| __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const; |
| template <class _ForwardIterator> |
| string_type |
| __lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const; |
| |
| template <class _ForwardIterator> |
| char_class_type |
| __lookup_classname(_ForwardIterator __f, _ForwardIterator __l, |
| bool __icase, char) const; |
| template <class _ForwardIterator> |
| 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<unsigned char>(__ch), __radix);} |
| int __value(wchar_t __ch, int __radix) const; |
| }; |
| |
| template <class _CharT> |
| regex_traits<_CharT>::regex_traits() |
| { |
| __init(); |
| } |
| |
| template <class _CharT> |
| typename regex_traits<_CharT>::char_type |
| regex_traits<_CharT>::translate_nocase(char_type __c) const |
| { |
| return __ct_->tolower(__c); |
| } |
| |
| template <class _CharT> |
| template <class _ForwardIterator> |
| 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 <class _CharT> |
| void |
| regex_traits<_CharT>::__init() |
| { |
| __ct_ = &use_facet<ctype<char_type> >(__loc_); |
| __col_ = &use_facet<collate<char_type> >(__loc_); |
| } |
| |
| template <class _CharT> |
| 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 <class _CharT> |
| template <class _ForwardIterator> |
| 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 <class _CharT> |
| template <class _ForwardIterator> |
| 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 <class _CharT> |
| template <class _ForwardIterator> |
| 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 <class _CharT> |
| template <class _ForwardIterator> |
| 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<unsigned>(*__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 <class _CharT> |
| template <class _ForwardIterator> |
| 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 <class _CharT> |
| template <class _ForwardIterator> |
| 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<unsigned>(*__i) >= 127) |
| return char_class_type(); |
| __n.push_back(char(*__i)); |
| } |
| return __get_classname(__n.c_str(), __icase); |
| } |
| |
| template <class _CharT> |
| 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 <class _CharT> |
| 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 <class _CharT> |
| inline |
| int |
| regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const |
| { |
| return __value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_REGEX |
