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regex
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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_REGEX
#define _LIBCPP_REGEX
/*
regex synopsis
#include <compare>
#include <initializer_list>
namespace std
{
namespace regex_constants
{
enum syntax_option_type
{
icase = unspecified,
nosubs = unspecified,
optimize = unspecified,
collate = unspecified,
ECMAScript = unspecified,
basic = unspecified,
extended = unspecified,
awk = unspecified,
grep = unspecified,
egrep = unspecified,
multiline = 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 traits traits_type;
typedef typename traits::string_type string_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;
static constexpr regex_constants::syntax_option_type multiline = regex_constants::multiline;
// 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 = regex_constants::ECMAScript);
basic_regex(const basic_regex&);
basic_regex(basic_regex&&) noexcept;
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&&) noexcept;
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) noexcept;
basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript);
basic_regex& assign(const charT* p, size_t len, flag_type f = regex_constants::ECMAScript);
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 f = 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&);
};
template<class ForwardIterator>
basic_regex(ForwardIterator, ForwardIterator,
regex_constants::syntax_option_type = regex_constants::ECMAScript)
-> basic_regex<typename iterator_traits<ForwardIterator>::value_type>; // C++17
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;
constexpr sub_match();
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;
void swap(sub_match& s) noexcept(see below);
};
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>
auto
operator<=>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs); // Since C++20
template <class BiIter> // Removed in C++20
bool
operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Since C++20
auto
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
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> // Removed in C++20
bool
operator<=(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter> // Removed in C++20
bool
operator==(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator!=(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator<(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>=(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
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> // Since C++20
auto
operator<=>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter, class ST, class SA> // Removed in C++20
bool
operator!=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter> // Removed in C++20
bool
operator<(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter> // Removed in C++20
bool
operator>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter> // Removed in C++20
bool
operator>=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter> // Removed in C++20
bool
operator<=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter> // Removed in C++20
bool
operator==(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator!=(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator<(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
bool
operator>=(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter> // Removed in C++20
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> // Since C++20
auto
operator<=>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter> // Removed in C++20
bool
operator!=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter> // Removed in C++20
bool
operator<(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter> // Removed in C++20
bool
operator>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter> // Removed in C++20
bool
operator>=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter> // Removed in C++20
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 value_type& 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()); // before C++20
match_results() : match_results(Allocator()) {} // C++20
explicit match_results(const Allocator& a); // C++20
match_results(const match_results& m);
match_results(match_results&& m) noexcept;
match_results& operator=(const match_results& m);
match_results& operator=(match_results&& m);
~match_results();
bool ready() const;
// 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> // Removed in C++20
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 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) = delete; // C++14
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 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) = delete; // C++14
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(BidirectionalIterator a, BidirectionalIterator b,
const regex_type&& re,
regex_constants::match_flag_type m
= regex_constants::match_default) = delete; // C++14
regex_iterator(const regex_iterator&);
regex_iterator& operator=(const regex_iterator&);
bool operator==(const regex_iterator&) const;
bool operator==(default_sentinel_t) const { return *this == regex_iterator(); } // since C++20
bool operator!=(const regex_iterator&) const; // Removed in C++20
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, int submatch = 0,
regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14
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, const vector<int>& submatches,
regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14
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);
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) = delete; // C++14
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);
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) = delete; // C++14
regex_token_iterator(const regex_token_iterator&);
regex_token_iterator& operator=(const regex_token_iterator&);
bool operator==(const regex_token_iterator&) const;
bool operator==(default_sentinel_t) const { return *this == regex_token_iterator(); } // since C++20
bool operator!=(const regex_token_iterator&) const; // Removed in C++20
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 <__algorithm/find.h>
#include <__algorithm/search.h>
#include <__assert> // all public C++ headers provide the assertion handler
#include <__availability>
#include <__config>
#include <__iterator/back_insert_iterator.h>
#include <__iterator/default_sentinel.h>
#include <__iterator/wrap_iter.h>
#include <__locale>
#include <__memory/shared_ptr.h>
#include <__memory_resource/polymorphic_allocator.h>
#include <__type_traits/is_swappable.h>
#include <__utility/move.h>
#include <__utility/pair.h>
#include <__utility/swap.h>
#include <__verbose_abort>
#include <deque>
#include <stdexcept>
#include <string>
#include <vector>
#include <version>
// standard-mandated includes
// [iterator.range]
#include <__iterator/access.h>
#include <__iterator/data.h>
#include <__iterator/empty.h>
#include <__iterator/reverse_access.h>
#include <__iterator/size.h>
// [re.syn]
#include <compare>
#include <initializer_list>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
#define _LIBCPP_REGEX_COMPLEXITY_FACTOR 4096
_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,
#ifdef _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO
ECMAScript = 1 << 9,
#else
ECMAScript = 0,
#endif
basic = 1 << 4,
extended = 1 << 5,
awk = 1 << 6,
grep = 1 << 7,
egrep = 1 << 8,
// 1 << 9 may be used by ECMAScript
multiline = 1 << 10
};
_LIBCPP_HIDE_FROM_ABI inline _LIBCPP_CONSTEXPR
syntax_option_type __get_grammar(syntax_option_type __g)
{
#ifdef _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO
return static_cast<syntax_option_type>(__g & 0x3F0);
#else
return static_cast<syntax_option_type>(__g & 0x1F0);
#endif
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
syntax_option_type
operator~(syntax_option_type __x)
{
return syntax_option_type(~int(__x) & 0x1FF);
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
syntax_option_type
operator&(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) & int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
syntax_option_type
operator|(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) | int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
syntax_option_type
operator^(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) ^ int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
syntax_option_type&
operator&=(syntax_option_type& __x, syntax_option_type __y)
{
__x = __x & __y;
return __x;
}
inline _LIBCPP_INLINE_VISIBILITY
syntax_option_type&
operator|=(syntax_option_type& __x, syntax_option_type __y)
{
__x = __x | __y;
return __x;
}
inline _LIBCPP_INLINE_VISIBILITY
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,
__no_update_pos = 1 << 11,
__full_match = 1 << 12
};
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
match_flag_type
operator~(match_flag_type __x)
{
return match_flag_type(~int(__x) & 0x0FFF);
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
match_flag_type
operator&(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) & int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
match_flag_type
operator|(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) | int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
match_flag_type
operator^(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) ^ int(__y));
}
inline _LIBCPP_INLINE_VISIBILITY
match_flag_type&
operator&=(match_flag_type& __x, match_flag_type __y)
{
__x = __x & __y;
return __x;
}
inline _LIBCPP_INLINE_VISIBILITY
match_flag_type&
operator|=(match_flag_type& __x, match_flag_type __y)
{
__x = __x | __y;
return __x;
}
inline _LIBCPP_INLINE_VISIBILITY
match_flag_type&
operator^=(match_flag_type& __x, match_flag_type __y)
{