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Diffstat (limited to 'data/iphoneos-sdk/v1/string')
| -rwxr-xr-x | data/iphoneos-sdk/v1/string | 4076 |
1 files changed, 4076 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/string b/data/iphoneos-sdk/v1/string new file mode 100755 index 000000000..f5d548965 --- /dev/null +++ b/data/iphoneos-sdk/v1/string @@ -0,0 +1,4076 @@ +// -*- C++ -*- +//===--------------------------- string -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_STRING +#define _LIBCPP_STRING + +/* + string synopsis + +namespace std +{ + +template <class stateT> +class fpos +{ +private: + stateT st; +public: + fpos(streamoff = streamoff()); + + operator streamoff() const; + + stateT state() const; + void state(stateT); + + fpos& operator+=(streamoff); + fpos operator+ (streamoff) const; + fpos& operator-=(streamoff); + fpos operator- (streamoff) const; +}; + +template <class stateT> streamoff operator-(const fpos<stateT>& x, const fpos<stateT>& y); + +template <class stateT> bool operator==(const fpos<stateT>& x, const fpos<stateT>& y); +template <class stateT> bool operator!=(const fpos<stateT>& x, const fpos<stateT>& y); + +template <class charT> +struct char_traits +{ + typedef charT char_type; + typedef ... int_type; + typedef streamoff off_type; + typedef streampos pos_type; + typedef mbstate_t state_type; + + static void assign(char_type& c1, const char_type& c2) noexcept; + static constexpr bool eq(char_type c1, char_type c2) noexcept; + static constexpr bool lt(char_type c1, char_type c2) noexcept; + + static int compare(const char_type* s1, const char_type* s2, size_t n); + static size_t length(const char_type* s); + static const char_type* find(const char_type* s, size_t n, const char_type& a); + static char_type* move(char_type* s1, const char_type* s2, size_t n); + static char_type* copy(char_type* s1, const char_type* s2, size_t n); + static char_type* assign(char_type* s, size_t n, char_type a); + + static constexpr int_type not_eof(int_type c) noexcept; + static constexpr char_type to_char_type(int_type c) noexcept; + static constexpr int_type to_int_type(char_type c) noexcept; + static constexpr bool eq_int_type(int_type c1, int_type c2) noexcept; + static constexpr int_type eof() noexcept; +}; + +template <> struct char_traits<char>; +template <> struct char_traits<wchar_t>; + +template<class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +class basic_string +{ +public: +// types: + typedef traits traits_type; + typedef typename traits_type::char_type value_type; + typedef Allocator allocator_type; + typedef typename allocator_type::size_type size_type; + typedef typename allocator_type::difference_type difference_type; + typedef typename allocator_type::reference reference; + typedef typename allocator_type::const_reference const_reference; + typedef typename allocator_type::pointer pointer; + typedef typename allocator_type::const_pointer const_pointer; + typedef implementation-defined iterator; + typedef implementation-defined const_iterator; + typedef std::reverse_iterator<iterator> reverse_iterator; + typedef std::reverse_iterator<const_iterator> const_reverse_iterator; + + static const size_type npos = -1; + + basic_string() + noexcept(is_nothrow_default_constructible<allocator_type>::value); + explicit basic_string(const allocator_type& a); + basic_string(const basic_string& str); + basic_string(basic_string&& str) + noexcept(is_nothrow_move_constructible<allocator_type>::value); + basic_string(const basic_string& str, size_type pos, + const allocator_type& a = allocator_type()); + basic_string(const basic_string& str, size_type pos, size_type n, + const Allocator& a = Allocator()); + template<class T> + basic_string(const T& t, size_type pos, size_type n, const Allocator& a = Allocator()); // C++17 + explicit basic_string(const basic_string_view<charT, traits> sv, const Allocator& a = Allocator()); + basic_string(const value_type* s, const allocator_type& a = allocator_type()); + basic_string(const value_type* s, size_type n, const allocator_type& a = allocator_type()); + basic_string(size_type n, value_type c, const allocator_type& a = allocator_type()); + template<class InputIterator> + basic_string(InputIterator begin, InputIterator end, + const allocator_type& a = allocator_type()); + basic_string(initializer_list<value_type>, const Allocator& = Allocator()); + basic_string(const basic_string&, const Allocator&); + basic_string(basic_string&&, const Allocator&); + + ~basic_string(); + + operator basic_string_view<charT, traits>() const noexcept; + + basic_string& operator=(const basic_string& str); + basic_string& operator=(basic_string_view<charT, traits> sv); + basic_string& operator=(basic_string&& str) + noexcept( + allocator_type::propagate_on_container_move_assignment::value || + allocator_type::is_always_equal::value ); // C++17 + basic_string& operator=(const value_type* s); + basic_string& operator=(value_type c); + basic_string& operator=(initializer_list<value_type>); + + iterator begin() noexcept; + const_iterator begin() const noexcept; + iterator end() noexcept; + const_iterator end() const noexcept; + + reverse_iterator rbegin() noexcept; + const_reverse_iterator rbegin() const noexcept; + reverse_iterator rend() noexcept; + const_reverse_iterator rend() const noexcept; + + const_iterator cbegin() const noexcept; + const_iterator cend() const noexcept; + const_reverse_iterator crbegin() const noexcept; + const_reverse_iterator crend() const noexcept; + + size_type size() const noexcept; + size_type length() const noexcept; + size_type max_size() const noexcept; + size_type capacity() const noexcept; + + void resize(size_type n, value_type c); + void resize(size_type n); + + void reserve(size_type res_arg = 0); + void shrink_to_fit(); + void clear() noexcept; + bool empty() const noexcept; + + const_reference operator[](size_type pos) const; + reference operator[](size_type pos); + + const_reference at(size_type n) const; + reference at(size_type n); + + basic_string& operator+=(const basic_string& str); + basic_string& operator+=(basic_string_view<charT, traits> sv); + basic_string& operator+=(const value_type* s); + basic_string& operator+=(value_type c); + basic_string& operator+=(initializer_list<value_type>); + + basic_string& append(const basic_string& str); + basic_string& append(basic_string_view<charT, traits> sv); + basic_string& append(const basic_string& str, size_type pos, size_type n=npos); //C++14 + template <class T> + basic_string& append(const T& t, size_type pos, size_type n=npos); // C++17 + basic_string& append(const value_type* s, size_type n); + basic_string& append(const value_type* s); + basic_string& append(size_type n, value_type c); + template<class InputIterator> + basic_string& append(InputIterator first, InputIterator last); + basic_string& append(initializer_list<value_type>); + + void push_back(value_type c); + void pop_back(); + reference front(); + const_reference front() const; + reference back(); + const_reference back() const; + + basic_string& assign(const basic_string& str); + basic_string& assign(basic_string_view<charT, traits> sv); + basic_string& assign(basic_string&& str); + basic_string& assign(const basic_string& str, size_type pos, size_type n=npos); // C++14 + template <class T> + basic_string& assign(const T& t, size_type pos, size_type n=npos); // C++17 + basic_string& assign(const value_type* s, size_type n); + basic_string& assign(const value_type* s); + basic_string& assign(size_type n, value_type c); + template<class InputIterator> + basic_string& assign(InputIterator first, InputIterator last); + basic_string& assign(initializer_list<value_type>); + + basic_string& insert(size_type pos1, const basic_string& str); + basic_string& insert(size_type pos1, basic_string_view<charT, traits> sv); + basic_string& insert(size_type pos1, const basic_string& str, + size_type pos2, size_type n); + template <class T> + basic_string& insert(size_type pos1, const T& t, size_type pos2, size_type n); // C++17 + basic_string& insert(size_type pos, const value_type* s, size_type n=npos); //C++14 + basic_string& insert(size_type pos, const value_type* s); + basic_string& insert(size_type pos, size_type n, value_type c); + iterator insert(const_iterator p, value_type c); + iterator insert(const_iterator p, size_type n, value_type c); + template<class InputIterator> + iterator insert(const_iterator p, InputIterator first, InputIterator last); + iterator insert(const_iterator p, initializer_list<value_type>); + + basic_string& erase(size_type pos = 0, size_type n = npos); + iterator erase(const_iterator position); + iterator erase(const_iterator first, const_iterator last); + + basic_string& replace(size_type pos1, size_type n1, const basic_string& str); + basic_string& replace(size_type pos1, size_type n1, basic_string_view<charT, traits> sv); + basic_string& replace(size_type pos1, size_type n1, const basic_string& str, + size_type pos2, size_type n2=npos); // C++14 + template <class T> + basic_string& replace(size_type pos1, size_type n1, const T& t, + size_type pos2, size_type n); // C++17 + basic_string& replace(size_type pos, size_type n1, const value_type* s, size_type n2); + basic_string& replace(size_type pos, size_type n1, const value_type* s); + basic_string& replace(size_type pos, size_type n1, size_type n2, value_type c); + basic_string& replace(const_iterator i1, const_iterator i2, const basic_string& str); + basic_string& replace(const_iterator i1, const_iterator i2, basic_string_view<charT, traits> sv); + basic_string& replace(const_iterator i1, const_iterator i2, const value_type* s, size_type n); + basic_string& replace(const_iterator i1, const_iterator i2, const value_type* s); + basic_string& replace(const_iterator i1, const_iterator i2, size_type n, value_type c); + template<class InputIterator> + basic_string& replace(const_iterator i1, const_iterator i2, InputIterator j1, InputIterator j2); + basic_string& replace(const_iterator i1, const_iterator i2, initializer_list<value_type>); + + size_type copy(value_type* s, size_type n, size_type pos = 0) const; + basic_string substr(size_type pos = 0, size_type n = npos) const; + + void swap(basic_string& str) + noexcept(allocator_traits<allocator_type>::propagate_on_container_swap::value || + allocator_traits<allocator_type>::is_always_equal::value); // C++17 + + const value_type* c_str() const noexcept; + const value_type* data() const noexcept; + value_type* data() noexcept; // C++17 + + allocator_type get_allocator() const noexcept; + + size_type find(const basic_string& str, size_type pos = 0) const noexcept; + size_type find(basic_string_view<charT, traits> sv, size_type pos = 0) const noexcept; + size_type find(const value_type* s, size_type pos, size_type n) const noexcept; + size_type find(const value_type* s, size_type pos = 0) const noexcept; + size_type find(value_type c, size_type pos = 0) const noexcept; + + size_type rfind(const basic_string& str, size_type pos = npos) const noexcept; + size_type rfind(basic_string_view<charT, traits> sv, size_type pos = npos) const noexcept; + size_type rfind(const value_type* s, size_type pos, size_type n) const noexcept; + size_type rfind(const value_type* s, size_type pos = npos) const noexcept; + size_type rfind(value_type c, size_type pos = npos) const noexcept; + + size_type find_first_of(const basic_string& str, size_type pos = 0) const noexcept; + size_type find_first_of(basic_string_view<charT, traits> sv, size_type pos = 0) const noexcept; + size_type find_first_of(const value_type* s, size_type pos, size_type n) const noexcept; + size_type find_first_of(const value_type* s, size_type pos = 0) const noexcept; + size_type find_first_of(value_type c, size_type pos = 0) const noexcept; + + size_type find_last_of(const basic_string& str, size_type pos = npos) const noexcept; + size_type find_last_of(basic_string_view<charT, traits> sv, size_type pos = npos) const noexcept; + size_type find_last_of(const value_type* s, size_type pos, size_type n) const noexcept; + size_type find_last_of(const value_type* s, size_type pos = npos) const noexcept; + size_type find_last_of(value_type c, size_type pos = npos) const noexcept; + + size_type find_first_not_of(const basic_string& str, size_type pos = 0) const noexcept; + size_type find_first_not_of(basic_string_view<charT, traits> sv, size_type pos = 0) const noexcept; + size_type find_first_not_of(const value_type* s, size_type pos, size_type n) const noexcept; + size_type find_first_not_of(const value_type* s, size_type pos = 0) const noexcept; + size_type find_first_not_of(value_type c, size_type pos = 0) const noexcept; + + size_type find_last_not_of(const basic_string& str, size_type pos = npos) const noexcept; + size_type find_last_not_of(basic_string_view<charT, traits> sv, size_type pos = npos) const noexcept; + size_type find_last_not_of(const value_type* s, size_type pos, size_type n) const noexcept; + size_type find_last_not_of(const value_type* s, size_type pos = npos) const noexcept; + size_type find_last_not_of(value_type c, size_type pos = npos) const noexcept; + + int compare(const basic_string& str) const noexcept; + int compare(basic_string_view<charT, traits> sv) const noexcept; + int compare(size_type pos1, size_type n1, const basic_string& str) const; + int compare(size_type pos1, size_type n1, basic_string_view<charT, traits> sv) const; + int compare(size_type pos1, size_type n1, const basic_string& str, + size_type pos2, size_type n2=npos) const; // C++14 + template <class T> + int compare(size_type pos1, size_type n1, const T& t, + size_type pos2, size_type n2=npos) const; // C++17 + int compare(const value_type* s) const noexcept; + int compare(size_type pos1, size_type n1, const value_type* s) const; + int compare(size_type pos1, size_type n1, const value_type* s, size_type n2) const; + + bool starts_with(basic_string_view<charT, traits> sv) const noexcept; // C++2a + bool starts_with(charT c) const noexcept; // C++2a + bool starts_with(const charT* s) const; // C++2a + bool ends_with(basic_string_view<charT, traits> sv) const noexcept; // C++2a + bool ends_with(charT c) const noexcept; // C++2a + bool ends_with(const charT* s) const; // C++2a + + bool __invariants() const; +}; + +template<class charT, class traits, class Allocator> +basic_string<charT, traits, Allocator> +operator+(const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs); + +template<class charT, class traits, class Allocator> +basic_string<charT, traits, Allocator> +operator+(const charT* lhs , const basic_string<charT,traits,Allocator>&rhs); + +template<class charT, class traits, class Allocator> +basic_string<charT, traits, Allocator> +operator+(charT lhs, const basic_string<charT,traits,Allocator>& rhs); + +template<class charT, class traits, class Allocator> +basic_string<charT, traits, Allocator> +operator+(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); + +template<class charT, class traits, class Allocator> +basic_string<charT, traits, Allocator> +operator+(const basic_string<charT, traits, Allocator>& lhs, charT rhs); + +template<class charT, class traits, class Allocator> +bool operator==(const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator==(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator==(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator!=(const basic_string<charT,traits,Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator!=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator!=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator< (const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator< (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator< (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator> (const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator> (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator> (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator<=(const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator<=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator<=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator>=(const basic_string<charT, traits, Allocator>& lhs, + const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator>=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept; + +template<class charT, class traits, class Allocator> +bool operator>=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; + +template<class charT, class traits, class Allocator> +void swap(basic_string<charT, traits, Allocator>& lhs, + basic_string<charT, traits, Allocator>& rhs) + noexcept(noexcept(lhs.swap(rhs))); + +template<class charT, class traits, class Allocator> +basic_istream<charT, traits>& +operator>>(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str); + +template<class charT, class traits, class Allocator> +basic_ostream<charT, traits>& +operator<<(basic_ostream<charT, traits>& os, const basic_string<charT, traits, Allocator>& str); + +template<class charT, class traits, class Allocator> +basic_istream<charT, traits>& +getline(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str, + charT delim); + +template<class charT, class traits, class Allocator> +basic_istream<charT, traits>& +getline(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str); + +typedef basic_string<char> string; +typedef basic_string<wchar_t> wstring; +typedef basic_string<char16_t> u16string; +typedef basic_string<char32_t> u32string; + +int stoi (const string& str, size_t* idx = 0, int base = 10); +long stol (const string& str, size_t* idx = 0, int base = 10); +unsigned long stoul (const string& str, size_t* idx = 0, int base = 10); +long long stoll (const string& str, size_t* idx = 0, int base = 10); +unsigned long long stoull(const string& str, size_t* idx = 0, int base = 10); + +float stof (const string& str, size_t* idx = 0); +double stod (const string& str, size_t* idx = 0); +long double stold(const string& str, size_t* idx = 0); + +string to_string(int val); +string to_string(unsigned val); +string to_string(long val); +string to_string(unsigned long val); +string to_string(long long val); +string to_string(unsigned long long val); +string to_string(float val); +string to_string(double val); +string to_string(long double val); + +int stoi (const wstring& str, size_t* idx = 0, int base = 10); +long stol (const wstring& str, size_t* idx = 0, int base = 10); +unsigned long stoul (const wstring& str, size_t* idx = 0, int base = 10); +long long stoll (const wstring& str, size_t* idx = 0, int base = 10); +unsigned long long stoull(const wstring& str, size_t* idx = 0, int base = 10); + +float stof (const wstring& str, size_t* idx = 0); +double stod (const wstring& str, size_t* idx = 0); +long double stold(const wstring& str, size_t* idx = 0); + +wstring to_wstring(int val); +wstring to_wstring(unsigned val); +wstring to_wstring(long val); +wstring to_wstring(unsigned long val); +wstring to_wstring(long long val); +wstring to_wstring(unsigned long long val); +wstring to_wstring(float val); +wstring to_wstring(double val); +wstring to_wstring(long double val); + +template <> struct hash<string>; +template <> struct hash<u16string>; +template <> struct hash<u32string>; +template <> struct hash<wstring>; + +basic_string<char> operator "" s( const char *str, size_t len ); // C++14 +basic_string<wchar_t> operator "" s( const wchar_t *str, size_t len ); // C++14 +basic_string<char16_t> operator "" s( const char16_t *str, size_t len ); // C++14 +basic_string<char32_t> operator "" s( const char32_t *str, size_t len ); // C++14 + +} // std + +*/ + +#include <__config> +#include <string_view> +#include <iosfwd> +#include <cstring> +#include <cstdio> // For EOF. +#include <cwchar> +#include <algorithm> +#include <iterator> +#include <utility> +#include <memory> +#include <stdexcept> +#include <type_traits> +#include <initializer_list> +#include <__functional_base> +#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS +#include <cstdint> +#endif + +#include <__debug> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + +_LIBCPP_BEGIN_NAMESPACE_STD + +// fpos + +template <class _StateT> +class _LIBCPP_TEMPLATE_VIS fpos +{ +private: + _StateT __st_; + streamoff __off_; +public: + _LIBCPP_INLINE_VISIBILITY fpos(streamoff __off = streamoff()) : __st_(), __off_(__off) {} + + _LIBCPP_INLINE_VISIBILITY operator streamoff() const {return __off_;} + + _LIBCPP_INLINE_VISIBILITY _StateT state() const {return __st_;} + _LIBCPP_INLINE_VISIBILITY void state(_StateT __st) {__st_ = __st;} + + _LIBCPP_INLINE_VISIBILITY fpos& operator+=(streamoff __off) {__off_ += __off; return *this;} + _LIBCPP_INLINE_VISIBILITY fpos operator+ (streamoff __off) const {fpos __t(*this); __t += __off; return __t;} + _LIBCPP_INLINE_VISIBILITY fpos& operator-=(streamoff __off) {__off_ -= __off; return *this;} + _LIBCPP_INLINE_VISIBILITY fpos operator- (streamoff __off) const {fpos __t(*this); __t -= __off; return __t;} +}; + +template <class _StateT> +inline _LIBCPP_INLINE_VISIBILITY +streamoff operator-(const fpos<_StateT>& __x, const fpos<_StateT>& __y) + {return streamoff(__x) - streamoff(__y);} + +template <class _StateT> +inline _LIBCPP_INLINE_VISIBILITY +bool operator==(const fpos<_StateT>& __x, const fpos<_StateT>& __y) + {return streamoff(__x) == streamoff(__y);} + +template <class _StateT> +inline _LIBCPP_INLINE_VISIBILITY +bool operator!=(const fpos<_StateT>& __x, const fpos<_StateT>& __y) + {return streamoff(__x) != streamoff(__y);} + +// basic_string + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, + const basic_string<_CharT, _Traits, _Allocator>& __y); + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const _CharT* __x, const basic_string<_CharT,_Traits,_Allocator>& __y); + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(_CharT __x, const basic_string<_CharT,_Traits,_Allocator>& __y); + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, const _CharT* __y); + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, _CharT __y); + +_LIBCPP_EXTERN_TEMPLATE(_LIBCPP_FUNC_VIS string operator+<char, char_traits<char>, allocator<char> >(char const*, string const&)) + +template <bool> +class _LIBCPP_TEMPLATE_VIS __basic_string_common +{ +protected: + _LIBCPP_NORETURN void __throw_length_error() const; + _LIBCPP_NORETURN void __throw_out_of_range() const; +}; + +template <bool __b> +void +__basic_string_common<__b>::__throw_length_error() const +{ + _VSTD::__throw_length_error("basic_string"); +} + +template <bool __b> +void +__basic_string_common<__b>::__throw_out_of_range() const +{ + _VSTD::__throw_out_of_range("basic_string"); +} + +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __basic_string_common<true>) + +#ifdef _LIBCPP_NO_EXCEPTIONS +template <class _Iter> +struct __libcpp_string_gets_noexcept_iterator_impl : public true_type {}; +#elif defined(_LIBCPP_HAS_NO_NOEXCEPT) +template <class _Iter> +struct __libcpp_string_gets_noexcept_iterator_impl : public false_type {}; +#else +template <class _Iter, bool = __is_forward_iterator<_Iter>::value> +struct __libcpp_string_gets_noexcept_iterator_impl : public _LIBCPP_BOOL_CONSTANT(( + noexcept(++(declval<_Iter&>())) && + is_nothrow_assignable<_Iter&, _Iter>::value && + noexcept(declval<_Iter>() == declval<_Iter>()) && + noexcept(*declval<_Iter>()) +)) {}; + +template <class _Iter> +struct __libcpp_string_gets_noexcept_iterator_impl<_Iter, false> : public false_type {}; +#endif + + +template <class _Iter> +struct __libcpp_string_gets_noexcept_iterator + : public _LIBCPP_BOOL_CONSTANT(__libcpp_is_trivial_iterator<_Iter>::value || __libcpp_string_gets_noexcept_iterator_impl<_Iter>::value) {}; + +template <class _CharT, class _Traits, class _Tp> +struct __can_be_converted_to_string_view : public _LIBCPP_BOOL_CONSTANT( + ( is_convertible<const _Tp&, basic_string_view<_CharT, _Traits> >::value && + !is_convertible<const _Tp&, const _CharT*>::value)) {}; + +#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + +template <class _CharT, size_t = sizeof(_CharT)> +struct __padding +{ + unsigned char __xx[sizeof(_CharT)-1]; +}; + +template <class _CharT> +struct __padding<_CharT, 1> +{ +}; + +#endif // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + +template<class _CharT, class _Traits, class _Allocator> +class _LIBCPP_TEMPLATE_VIS basic_string + : private __basic_string_common<true> +{ +public: + typedef basic_string __self; + typedef basic_string_view<_CharT, _Traits> __self_view; + typedef _Traits traits_type; + typedef _CharT value_type; + typedef _Allocator allocator_type; + typedef allocator_traits<allocator_type> __alloc_traits; + typedef typename __alloc_traits::size_type size_type; + typedef typename __alloc_traits::difference_type difference_type; + typedef value_type& reference; + typedef const value_type& const_reference; + typedef typename __alloc_traits::pointer pointer; + typedef typename __alloc_traits::const_pointer const_pointer; + + static_assert(is_pod<value_type>::value, "Character type of basic_string must be a POD"); + static_assert((is_same<_CharT, typename traits_type::char_type>::value), + "traits_type::char_type must be the same type as CharT"); + static_assert((is_same<typename allocator_type::value_type, value_type>::value), + "Allocator::value_type must be same type as value_type"); +#if defined(_LIBCPP_RAW_ITERATORS) + typedef pointer iterator; + typedef const_pointer const_iterator; +#else // defined(_LIBCPP_RAW_ITERATORS) + typedef __wrap_iter<pointer> iterator; + typedef __wrap_iter<const_pointer> const_iterator; +#endif // defined(_LIBCPP_RAW_ITERATORS) + typedef _VSTD::reverse_iterator<iterator> reverse_iterator; + typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; + +private: + +#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + + struct __long + { + pointer __data_; + size_type __size_; + size_type __cap_; + }; + +#ifdef _LIBCPP_BIG_ENDIAN + static const size_type __short_mask = 0x01; + static const size_type __long_mask = 0x1ul; +#else // _LIBCPP_BIG_ENDIAN + static const size_type __short_mask = 0x80; + static const size_type __long_mask = ~(size_type(~0) >> 1); +#endif // _LIBCPP_BIG_ENDIAN + + enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ? + (sizeof(__long) - 1)/sizeof(value_type) : 2}; + + struct __short + { + value_type __data_[__min_cap]; + struct + : __padding<value_type> + { + unsigned char __size_; + }; + }; + +#else + + struct __long + { + size_type __cap_; + size_type __size_; + pointer __data_; + }; + +#ifdef _LIBCPP_BIG_ENDIAN + static const size_type __short_mask = 0x80; + static const size_type __long_mask = ~(size_type(~0) >> 1); +#else // _LIBCPP_BIG_ENDIAN + static const size_type __short_mask = 0x01; + static const size_type __long_mask = 0x1ul; +#endif // _LIBCPP_BIG_ENDIAN + + enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ? + (sizeof(__long) - 1)/sizeof(value_type) : 2}; + + struct __short + { + union + { + unsigned char __size_; + value_type __lx; + }; + value_type __data_[__min_cap]; + }; + +#endif // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + + union __ulx{__long __lx; __short __lxx;}; + + enum {__n_words = sizeof(__ulx) / sizeof(size_type)}; + + struct __raw + { + size_type __words[__n_words]; + }; + + struct __rep + { + union + { + __long __l; + __short __s; + __raw __r; + }; + }; + + __compressed_pair<__rep, allocator_type> __r_; + +public: + static const size_type npos = -1; + + _LIBCPP_INLINE_VISIBILITY basic_string() + _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value); + + _LIBCPP_INLINE_VISIBILITY explicit basic_string(const allocator_type& __a) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value); +#else + _NOEXCEPT; +#endif + + basic_string(const basic_string& __str); + basic_string(const basic_string& __str, const allocator_type& __a); + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string(basic_string&& __str) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value); +#else + _NOEXCEPT; +#endif + + _LIBCPP_INLINE_VISIBILITY + basic_string(basic_string&& __str, const allocator_type& __a); +#endif // _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY basic_string(const _CharT* __s); + _LIBCPP_INLINE_VISIBILITY + basic_string(const _CharT* __s, const _Allocator& __a); + _LIBCPP_INLINE_VISIBILITY + basic_string(const _CharT* __s, size_type __n); + _LIBCPP_INLINE_VISIBILITY + basic_string(const _CharT* __s, size_type __n, const _Allocator& __a); + _LIBCPP_INLINE_VISIBILITY + basic_string(size_type __n, _CharT __c); + _LIBCPP_INLINE_VISIBILITY + basic_string(size_type __n, _CharT __c, const _Allocator& __a); + basic_string(const basic_string& __str, size_type __pos, size_type __n, + const _Allocator& __a = _Allocator()); + _LIBCPP_INLINE_VISIBILITY + basic_string(const basic_string& __str, size_type __pos, + const _Allocator& __a = _Allocator()); + template<class _Tp> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + basic_string(const _Tp& __t, size_type __pos, size_type __n, + const allocator_type& __a = allocator_type(), + typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type* = 0); + _LIBCPP_INLINE_VISIBILITY explicit + basic_string(__self_view __sv); + _LIBCPP_INLINE_VISIBILITY + basic_string(__self_view __sv, const _Allocator& __a); + template<class _InputIterator> + _LIBCPP_INLINE_VISIBILITY + basic_string(_InputIterator __first, _InputIterator __last); + template<class _InputIterator> + _LIBCPP_INLINE_VISIBILITY + basic_string(_InputIterator __first, _InputIterator __last, const allocator_type& __a); +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string(initializer_list<_CharT> __il); + _LIBCPP_INLINE_VISIBILITY + basic_string(initializer_list<_CharT> __il, const _Allocator& __a); +#endif // _LIBCPP_CXX03_LANG + + inline ~basic_string(); + + _LIBCPP_INLINE_VISIBILITY + operator __self_view() const _NOEXCEPT { return __self_view(data(), size()); } + + basic_string& operator=(const basic_string& __str); + +#ifndef _LIBCPP_CXX03_LANG + template <class = void> +#endif + _LIBCPP_INLINE_VISIBILITY + basic_string& operator=(__self_view __sv) {return assign(__sv);} +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string& operator=(basic_string&& __str) + _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)); + _LIBCPP_INLINE_VISIBILITY + basic_string& operator=(initializer_list<value_type> __il) {return assign(__il.begin(), __il.size());} +#endif + _LIBCPP_INLINE_VISIBILITY basic_string& operator=(const value_type* __s) {return assign(__s);} + basic_string& operator=(value_type __c); + +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_INLINE_VISIBILITY + iterator begin() _NOEXCEPT + {return iterator(this, __get_pointer());} + _LIBCPP_INLINE_VISIBILITY + const_iterator begin() const _NOEXCEPT + {return const_iterator(this, __get_pointer());} + _LIBCPP_INLINE_VISIBILITY + iterator end() _NOEXCEPT + {return iterator(this, __get_pointer() + size());} + _LIBCPP_INLINE_VISIBILITY + const_iterator end() const _NOEXCEPT + {return const_iterator(this, __get_pointer() + size());} +#else + _LIBCPP_INLINE_VISIBILITY + iterator begin() _NOEXCEPT + {return iterator(__get_pointer());} + _LIBCPP_INLINE_VISIBILITY + const_iterator begin() const _NOEXCEPT + {return const_iterator(__get_pointer());} + _LIBCPP_INLINE_VISIBILITY + iterator end() _NOEXCEPT + {return iterator(__get_pointer() + size());} + _LIBCPP_INLINE_VISIBILITY + const_iterator end() const _NOEXCEPT + {return const_iterator(__get_pointer() + size());} +#endif // _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_INLINE_VISIBILITY + reverse_iterator rbegin() _NOEXCEPT + {return reverse_iterator(end());} + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator rbegin() const _NOEXCEPT + {return const_reverse_iterator(end());} + _LIBCPP_INLINE_VISIBILITY + reverse_iterator rend() _NOEXCEPT + {return reverse_iterator(begin());} + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator rend() const _NOEXCEPT + {return const_reverse_iterator(begin());} + + _LIBCPP_INLINE_VISIBILITY + const_iterator cbegin() const _NOEXCEPT + {return begin();} + _LIBCPP_INLINE_VISIBILITY + const_iterator cend() const _NOEXCEPT + {return end();} + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator crbegin() const _NOEXCEPT + {return rbegin();} + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator crend() const _NOEXCEPT + {return rend();} + + _LIBCPP_INLINE_VISIBILITY size_type size() const _NOEXCEPT + {return __is_long() ? __get_long_size() : __get_short_size();} + _LIBCPP_INLINE_VISIBILITY size_type length() const _NOEXCEPT {return size();} + _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY size_type capacity() const _NOEXCEPT + {return (__is_long() ? __get_long_cap() + : static_cast<size_type>(__min_cap)) - 1;} + + void resize(size_type __n, value_type __c); + _LIBCPP_INLINE_VISIBILITY void resize(size_type __n) {resize(__n, value_type());} + + void reserve(size_type __res_arg = 0); + _LIBCPP_INLINE_VISIBILITY + void shrink_to_fit() _NOEXCEPT {reserve();} + _LIBCPP_INLINE_VISIBILITY + void clear() _NOEXCEPT; + _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY + bool empty() const _NOEXCEPT {return size() == 0;} + + _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __pos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY reference operator[](size_type __pos) _NOEXCEPT; + + const_reference at(size_type __n) const; + reference at(size_type __n); + + _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(const basic_string& __str) {return append(__str);} + _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(__self_view __sv) {return append(__sv);} + _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(const value_type* __s) {return append(__s);} + _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(value_type __c) {push_back(__c); return *this;} +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(initializer_list<value_type> __il) {return append(__il);} +#endif // _LIBCPP_CXX03_LANG + + _LIBCPP_INLINE_VISIBILITY + basic_string& append(const basic_string& __str); + _LIBCPP_INLINE_VISIBILITY + basic_string& append(__self_view __sv) { return append(__sv.data(), __sv.size()); } + basic_string& append(const basic_string& __str, size_type __pos, size_type __n=npos); + template <class _Tp> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string& + >::type + append(const _Tp& __t, size_type __pos, size_type __n=npos); + basic_string& append(const value_type* __s, size_type __n); + basic_string& append(const value_type* __s); + basic_string& append(size_type __n, value_type __c); + template <class _ForwardIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + basic_string& __append_forward_unsafe(_ForwardIterator, _ForwardIterator); + template<class _InputIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_exactly_input_iterator<_InputIterator>::value + || !__libcpp_string_gets_noexcept_iterator<_InputIterator>::value, + basic_string& + >::type + _LIBCPP_INLINE_VISIBILITY + append(_InputIterator __first, _InputIterator __last) { + const basic_string __temp (__first, __last, __alloc()); + append(__temp.data(), __temp.size()); + return *this; + } + template<class _ForwardIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_forward_iterator<_ForwardIterator>::value + && __libcpp_string_gets_noexcept_iterator<_ForwardIterator>::value, + basic_string& + >::type + _LIBCPP_INLINE_VISIBILITY + append(_ForwardIterator __first, _ForwardIterator __last) { + return __append_forward_unsafe(__first, __last); + } + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string& append(initializer_list<value_type> __il) {return append(__il.begin(), __il.size());} +#endif // _LIBCPP_CXX03_LANG + + void push_back(value_type __c); + _LIBCPP_INLINE_VISIBILITY + void pop_back(); + _LIBCPP_INLINE_VISIBILITY reference front(); + _LIBCPP_INLINE_VISIBILITY const_reference front() const; + _LIBCPP_INLINE_VISIBILITY reference back(); + _LIBCPP_INLINE_VISIBILITY const_reference back() const; + + _LIBCPP_INLINE_VISIBILITY + basic_string& assign(__self_view __sv) { return assign(__sv.data(), __sv.size()); } + _LIBCPP_INLINE_VISIBILITY + basic_string& assign(const basic_string& __str) { return *this = __str; } +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string& assign(basic_string&& __str) + _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) + {*this = _VSTD::move(__str); return *this;} +#endif + basic_string& assign(const basic_string& __str, size_type __pos, size_type __n=npos); + template <class _Tp> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string& + >::type + assign(const _Tp & __t, size_type __pos, size_type __n=npos); + basic_string& assign(const value_type* __s, size_type __n); + basic_string& assign(const value_type* __s); + basic_string& assign(size_type __n, value_type __c); + template<class _InputIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_exactly_input_iterator<_InputIterator>::value + || !__libcpp_string_gets_noexcept_iterator<_InputIterator>::value, + basic_string& + >::type + assign(_InputIterator __first, _InputIterator __last); + template<class _ForwardIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_forward_iterator<_ForwardIterator>::value + && __libcpp_string_gets_noexcept_iterator<_ForwardIterator>::value, + basic_string& + >::type + assign(_ForwardIterator __first, _ForwardIterator __last); +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string& assign(initializer_list<value_type> __il) {return assign(__il.begin(), __il.size());} +#endif // _LIBCPP_CXX03_LANG + + _LIBCPP_INLINE_VISIBILITY + basic_string& insert(size_type __pos1, const basic_string& __str); + _LIBCPP_INLINE_VISIBILITY + basic_string& insert(size_type __pos1, __self_view __sv) { return insert(__pos1, __sv.data(), __sv.size()); } + template <class _Tp> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string& + >::type + insert(size_type __pos1, const _Tp& __t, size_type __pos2, size_type __n=npos); + basic_string& insert(size_type __pos1, const basic_string& __str, size_type __pos2, size_type __n=npos); + basic_string& insert(size_type __pos, const value_type* __s, size_type __n); + basic_string& insert(size_type __pos, const value_type* __s); + basic_string& insert(size_type __pos, size_type __n, value_type __c); + iterator insert(const_iterator __pos, value_type __c); + _LIBCPP_INLINE_VISIBILITY + iterator insert(const_iterator __pos, size_type __n, value_type __c); + template<class _InputIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_exactly_input_iterator<_InputIterator>::value + || !__libcpp_string_gets_noexcept_iterator<_InputIterator>::value, + iterator + >::type + insert(const_iterator __pos, _InputIterator __first, _InputIterator __last); + template<class _ForwardIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_forward_iterator<_ForwardIterator>::value + && __libcpp_string_gets_noexcept_iterator<_ForwardIterator>::value, + iterator + >::type + insert(const_iterator __pos, _ForwardIterator __first, _ForwardIterator __last); +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + iterator insert(const_iterator __pos, initializer_list<value_type> __il) + {return insert(__pos, __il.begin(), __il.end());} +#endif // _LIBCPP_CXX03_LANG + + basic_string& erase(size_type __pos = 0, size_type __n = npos); + _LIBCPP_INLINE_VISIBILITY + iterator erase(const_iterator __pos); + _LIBCPP_INLINE_VISIBILITY + iterator erase(const_iterator __first, const_iterator __last); + + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(size_type __pos1, size_type __n1, const basic_string& __str); + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(size_type __pos1, size_type __n1, __self_view __sv) { return replace(__pos1, __n1, __sv.data(), __sv.size()); } + basic_string& replace(size_type __pos1, size_type __n1, const basic_string& __str, size_type __pos2, size_type __n2=npos); + template <class _Tp> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string& + >::type + replace(size_type __pos1, size_type __n1, const _Tp& __t, size_type __pos2, size_type __n2=npos); + basic_string& replace(size_type __pos, size_type __n1, const value_type* __s, size_type __n2); + basic_string& replace(size_type __pos, size_type __n1, const value_type* __s); + basic_string& replace(size_type __pos, size_type __n1, size_type __n2, value_type __c); + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, const basic_string& __str); + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, __self_view __sv) { return replace(__i1 - begin(), __i2 - __i1, __sv); } + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, const value_type* __s, size_type __n); + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, const value_type* __s); + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c); + template<class _InputIterator> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + typename enable_if + < + __is_input_iterator<_InputIterator>::value, + basic_string& + >::type + replace(const_iterator __i1, const_iterator __i2, _InputIterator __j1, _InputIterator __j2); +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + basic_string& replace(const_iterator __i1, const_iterator __i2, initializer_list<value_type> __il) + {return replace(__i1, __i2, __il.begin(), __il.end());} +#endif // _LIBCPP_CXX03_LANG + + size_type copy(value_type* __s, size_type __n, size_type __pos = 0) const; + _LIBCPP_INLINE_VISIBILITY + basic_string substr(size_type __pos = 0, size_type __n = npos) const; + + _LIBCPP_INLINE_VISIBILITY + void swap(basic_string& __str) +#if _LIBCPP_STD_VER >= 14 + _NOEXCEPT_DEBUG; +#else + _NOEXCEPT_DEBUG_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value); +#endif + + _LIBCPP_INLINE_VISIBILITY + const value_type* c_str() const _NOEXCEPT {return data();} + _LIBCPP_INLINE_VISIBILITY + const value_type* data() const _NOEXCEPT {return _VSTD::__to_raw_pointer(__get_pointer());} +#if _LIBCPP_STD_VER > 14 || defined(_LIBCPP_BUILDING_LIBRARY) + _LIBCPP_INLINE_VISIBILITY + value_type* data() _NOEXCEPT {return _VSTD::__to_raw_pointer(__get_pointer());} +#endif + + _LIBCPP_INLINE_VISIBILITY + allocator_type get_allocator() const _NOEXCEPT {return __alloc();} + + _LIBCPP_INLINE_VISIBILITY + size_type find(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find(__self_view __sv, size_type __pos = 0) const _NOEXCEPT; + size_type find(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find(const value_type* __s, size_type __pos = 0) const _NOEXCEPT; + size_type find(value_type __c, size_type __pos = 0) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + size_type rfind(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type rfind(__self_view __sv, size_type __pos = npos) const _NOEXCEPT; + size_type rfind(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type rfind(const value_type* __s, size_type __pos = npos) const _NOEXCEPT; + size_type rfind(value_type __c, size_type __pos = npos) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(__self_view __sv, size_type __pos = 0) const _NOEXCEPT; + size_type find_first_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(const value_type* __s, size_type __pos = 0) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(value_type __c, size_type __pos = 0) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(__self_view __sv, size_type __pos = npos) const _NOEXCEPT; + size_type find_last_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(const value_type* __s, size_type __pos = npos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(value_type __c, size_type __pos = npos) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(__self_view __sv, size_type __pos = 0) const _NOEXCEPT; + size_type find_first_not_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(const value_type* __s, size_type __pos = 0) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(value_type __c, size_type __pos = 0) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(__self_view __sv, size_type __pos = npos) const _NOEXCEPT; + size_type find_last_not_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(const value_type* __s, size_type __pos = npos) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(value_type __c, size_type __pos = npos) const _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY + int compare(const basic_string& __str) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + int compare(__self_view __sv) const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + int compare(size_type __pos1, size_type __n1, __self_view __sv) const; + _LIBCPP_INLINE_VISIBILITY + int compare(size_type __pos1, size_type __n1, const basic_string& __str) const; + int compare(size_type __pos1, size_type __n1, const basic_string& __str, size_type __pos2, size_type __n2=npos) const; + template <class _Tp> + inline _LIBCPP_INLINE_VISIBILITY + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + int + >::type + compare(size_type __pos1, size_type __n1, const _Tp& __t, size_type __pos2, size_type __n2=npos) const; + int compare(const value_type* __s) const _NOEXCEPT; + int compare(size_type __pos1, size_type __n1, const value_type* __s) const; + int compare(size_type __pos1, size_type __n1, const value_type* __s, size_type __n2) const; + +#if _LIBCPP_STD_VER > 17 + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool starts_with(__self_view __sv) const _NOEXCEPT + { return __self_view(data(), size()).starts_with(__sv); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool starts_with(value_type __c) const _NOEXCEPT + { return !empty() && _Traits::eq(front(), __c); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool starts_with(const value_type* __s) const _NOEXCEPT + { return starts_with(__self_view(__s)); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool ends_with(__self_view __sv) const _NOEXCEPT + { return __self_view(data(), size()).ends_with( __sv); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool ends_with(value_type __c) const _NOEXCEPT + { return !empty() && _Traits::eq(back(), __c); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool ends_with(const value_type* __s) const _NOEXCEPT + { return ends_with(__self_view(__s)); } +#endif + + _LIBCPP_INLINE_VISIBILITY bool __invariants() const; + + _LIBCPP_INLINE_VISIBILITY + bool __is_long() const _NOEXCEPT + {return bool(__r_.first().__s.__size_ & __short_mask);} + +#if _LIBCPP_DEBUG_LEVEL >= 2 + + bool __dereferenceable(const const_iterator* __i) const; + bool __decrementable(const const_iterator* __i) const; + bool __addable(const const_iterator* __i, ptrdiff_t __n) const; + bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const; + +#endif // _LIBCPP_DEBUG_LEVEL >= 2 + +private: + _LIBCPP_INLINE_VISIBILITY + allocator_type& __alloc() _NOEXCEPT + {return __r_.second();} + _LIBCPP_INLINE_VISIBILITY + const allocator_type& __alloc() const _NOEXCEPT + {return __r_.second();} + +#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + + _LIBCPP_INLINE_VISIBILITY + void __set_short_size(size_type __s) _NOEXCEPT +# ifdef _LIBCPP_BIG_ENDIAN + {__r_.first().__s.__size_ = (unsigned char)(__s << 1);} +# else + {__r_.first().__s.__size_ = (unsigned char)(__s);} +# endif + + _LIBCPP_INLINE_VISIBILITY + size_type __get_short_size() const _NOEXCEPT +# ifdef _LIBCPP_BIG_ENDIAN + {return __r_.first().__s.__size_ >> 1;} +# else + {return __r_.first().__s.__size_;} +# endif + +#else // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + + _LIBCPP_INLINE_VISIBILITY + void __set_short_size(size_type __s) _NOEXCEPT +# ifdef _LIBCPP_BIG_ENDIAN + {__r_.first().__s.__size_ = (unsigned char)(__s);} +# else + {__r_.first().__s.__size_ = (unsigned char)(__s << 1);} +# endif + + _LIBCPP_INLINE_VISIBILITY + size_type __get_short_size() const _NOEXCEPT +# ifdef _LIBCPP_BIG_ENDIAN + {return __r_.first().__s.__size_;} +# else + {return __r_.first().__s.__size_ >> 1;} +# endif + +#endif // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT + + _LIBCPP_INLINE_VISIBILITY + void __set_long_size(size_type __s) _NOEXCEPT + {__r_.first().__l.__size_ = __s;} + _LIBCPP_INLINE_VISIBILITY + size_type __get_long_size() const _NOEXCEPT + {return __r_.first().__l.__size_;} + _LIBCPP_INLINE_VISIBILITY + void __set_size(size_type __s) _NOEXCEPT + {if (__is_long()) __set_long_size(__s); else __set_short_size(__s);} + + _LIBCPP_INLINE_VISIBILITY + void __set_long_cap(size_type __s) _NOEXCEPT + {__r_.first().__l.__cap_ = __long_mask | __s;} + _LIBCPP_INLINE_VISIBILITY + size_type __get_long_cap() const _NOEXCEPT + {return __r_.first().__l.__cap_ & size_type(~__long_mask);} + + _LIBCPP_INLINE_VISIBILITY + void __set_long_pointer(pointer __p) _NOEXCEPT + {__r_.first().__l.__data_ = __p;} + _LIBCPP_INLINE_VISIBILITY + pointer __get_long_pointer() _NOEXCEPT + {return __r_.first().__l.__data_;} + _LIBCPP_INLINE_VISIBILITY + const_pointer __get_long_pointer() const _NOEXCEPT + {return __r_.first().__l.__data_;} + _LIBCPP_INLINE_VISIBILITY + pointer __get_short_pointer() _NOEXCEPT + {return pointer_traits<pointer>::pointer_to(__r_.first().__s.__data_[0]);} + _LIBCPP_INLINE_VISIBILITY + const_pointer __get_short_pointer() const _NOEXCEPT + {return pointer_traits<const_pointer>::pointer_to(__r_.first().__s.__data_[0]);} + _LIBCPP_INLINE_VISIBILITY + pointer __get_pointer() _NOEXCEPT + {return __is_long() ? __get_long_pointer() : __get_short_pointer();} + _LIBCPP_INLINE_VISIBILITY + const_pointer __get_pointer() const _NOEXCEPT + {return __is_long() ? __get_long_pointer() : __get_short_pointer();} + + _LIBCPP_INLINE_VISIBILITY + void __zero() _NOEXCEPT + { + size_type (&__a)[__n_words] = __r_.first().__r.__words; + for (unsigned __i = 0; __i < __n_words; ++__i) + __a[__i] = 0; + } + + template <size_type __a> static + _LIBCPP_INLINE_VISIBILITY + size_type __align_it(size_type __s) _NOEXCEPT + {return (__s + (__a-1)) & ~(__a-1);} + enum {__alignment = 16}; + static _LIBCPP_INLINE_VISIBILITY + size_type __recommend(size_type __s) _NOEXCEPT + {return (__s < __min_cap ? static_cast<size_type>(__min_cap) : + __align_it<sizeof(value_type) < __alignment ? + __alignment/sizeof(value_type) : 1 > (__s+1)) - 1;} + + inline + void __init(const value_type* __s, size_type __sz, size_type __reserve); + inline + void __init(const value_type* __s, size_type __sz); + inline + void __init(size_type __n, value_type __c); + + template <class _InputIterator> + inline + typename enable_if + < + __is_exactly_input_iterator<_InputIterator>::value, + void + >::type + __init(_InputIterator __first, _InputIterator __last); + + template <class _ForwardIterator> + inline + typename enable_if + < + __is_forward_iterator<_ForwardIterator>::value, + void + >::type + __init(_ForwardIterator __first, _ForwardIterator __last); + + void __grow_by(size_type __old_cap, size_type __delta_cap, size_type __old_sz, + size_type __n_copy, size_type __n_del, size_type __n_add = 0); + void __grow_by_and_replace(size_type __old_cap, size_type __delta_cap, size_type __old_sz, + size_type __n_copy, size_type __n_del, + size_type __n_add, const value_type* __p_new_stuff); + + _LIBCPP_INLINE_VISIBILITY + void __erase_to_end(size_type __pos); + + _LIBCPP_INLINE_VISIBILITY + void __copy_assign_alloc(const basic_string& __str) + {__copy_assign_alloc(__str, integral_constant<bool, + __alloc_traits::propagate_on_container_copy_assignment::value>());} + + _LIBCPP_INLINE_VISIBILITY + void __copy_assign_alloc(const basic_string& __str, true_type) + { + if (__alloc() == __str.__alloc()) + __alloc() = __str.__alloc(); + else + { + if (!__str.__is_long()) + { + clear(); + shrink_to_fit(); + __alloc() = __str.__alloc(); + } + else + { + allocator_type __a = __str.__alloc(); + pointer __p = __alloc_traits::allocate(__a, __str.__get_long_cap()); + clear(); + shrink_to_fit(); + __alloc() = _VSTD::move(__a); + __set_long_pointer(__p); + __set_long_cap(__str.__get_long_cap()); + __set_long_size(__str.size()); + } + } + } + + _LIBCPP_INLINE_VISIBILITY + void __copy_assign_alloc(const basic_string&, false_type) _NOEXCEPT + {} + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_INLINE_VISIBILITY + void __move_assign(basic_string& __str, false_type) + _NOEXCEPT_(__alloc_traits::is_always_equal::value); + _LIBCPP_INLINE_VISIBILITY + void __move_assign(basic_string& __str, true_type) +#if _LIBCPP_STD_VER > 14 + _NOEXCEPT; +#else + _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value); +#endif +#endif + + _LIBCPP_INLINE_VISIBILITY + void + __move_assign_alloc(basic_string& __str) + _NOEXCEPT_( + !__alloc_traits::propagate_on_container_move_assignment::value || + is_nothrow_move_assignable<allocator_type>::value) + {__move_assign_alloc(__str, integral_constant<bool, + __alloc_traits::propagate_on_container_move_assignment::value>());} + + _LIBCPP_INLINE_VISIBILITY + void __move_assign_alloc(basic_string& __c, true_type) + _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) + { + __alloc() = _VSTD::move(__c.__alloc()); + } + + _LIBCPP_INLINE_VISIBILITY + void __move_assign_alloc(basic_string&, false_type) + _NOEXCEPT + {} + + _LIBCPP_INLINE_VISIBILITY void __invalidate_all_iterators(); + _LIBCPP_INLINE_VISIBILITY void __invalidate_iterators_past(size_type); + + friend basic_string operator+<>(const basic_string&, const basic_string&); + friend basic_string operator+<>(const value_type*, const basic_string&); + friend basic_string operator+<>(value_type, const basic_string&); + friend basic_string operator+<>(const basic_string&, const value_type*); + friend basic_string operator+<>(const basic_string&, value_type); +}; + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::__invalidate_all_iterators() +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__invalidate_all(this); +#endif // _LIBCPP_DEBUG_LEVEL >= 2 +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::__invalidate_iterators_past(size_type +#if _LIBCPP_DEBUG_LEVEL >= 2 + __pos +#endif + ) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + __c_node* __c = __get_db()->__find_c_and_lock(this); + if (__c) + { + const_pointer __new_last = __get_pointer() + __pos; + for (__i_node** __p = __c->end_; __p != __c->beg_; ) + { + --__p; + const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_); + if (__i->base() > __new_last) + { + (*__p)->__c_ = nullptr; + if (--__c->end_ != __p) + memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); + } + } + __get_db()->unlock(); + } +#endif // _LIBCPP_DEBUG_LEVEL >= 2 +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string() + _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif + __zero(); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const allocator_type& __a) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value) +#else + _NOEXCEPT +#endif +: __r_(__second_tag(), __a) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif + __zero(); +} + +template <class _CharT, class _Traits, class _Allocator> +void basic_string<_CharT, _Traits, _Allocator>::__init(const value_type* __s, + size_type __sz, + size_type __reserve) +{ + if (__reserve > max_size()) + this->__throw_length_error(); + pointer __p; + if (__reserve < __min_cap) + { + __set_short_size(__sz); + __p = __get_short_pointer(); + } + else + { + size_type __cap = __recommend(__reserve); + __p = __alloc_traits::allocate(__alloc(), __cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); + __set_long_size(__sz); + } + traits_type::copy(_VSTD::__to_raw_pointer(__p), __s, __sz); + traits_type::assign(__p[__sz], value_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::__init(const value_type* __s, size_type __sz) +{ + if (__sz > max_size()) + this->__throw_length_error(); + pointer __p; + if (__sz < __min_cap) + { + __set_short_size(__sz); + __p = __get_short_pointer(); + } + else + { + size_type __cap = __recommend(__sz); + __p = __alloc_traits::allocate(__alloc(), __cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); + __set_long_size(__sz); + } + traits_type::copy(_VSTD::__to_raw_pointer(__p), __s, __sz); + traits_type::assign(__p[__sz], value_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const _CharT* __s) +{ + _LIBCPP_ASSERT(__s != nullptr, "basic_string(const char*) detected nullptr"); + __init(__s, traits_type::length(__s)); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const _CharT* __s, const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + _LIBCPP_ASSERT(__s != nullptr, "basic_string(const char*, allocator) detected nullptr"); + __init(__s, traits_type::length(__s)); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const _CharT* __s, size_type __n) +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "basic_string(const char*, n) detected nullptr"); + __init(__s, __n); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const _CharT* __s, size_type __n, const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "basic_string(const char*, n, allocator) detected nullptr"); + __init(__s, __n); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str) + : __r_(__second_tag(), __alloc_traits::select_on_container_copy_construction(__str.__alloc())) +{ + if (!__str.__is_long()) + __r_.first().__r = __str.__r_.first().__r; + else + __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>::basic_string( + const basic_string& __str, const allocator_type& __a) + : __r_(__second_tag(), __a) +{ + if (!__str.__is_long()) + __r_.first().__r = __str.__r_.first().__r; + else + __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value) +#else + _NOEXCEPT +#endif + : __r_(_VSTD::move(__str.__r_)) +{ + __str.__zero(); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); + if (__is_long()) + __get_db()->swap(this, &__str); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str, const allocator_type& __a) + : __r_(__second_tag(), __a) +{ + if (__str.__is_long() && __a != __str.__alloc()) // copy, not move + __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size()); + else + { + __r_.first().__r = __str.__r_.first().__r; + __str.__zero(); + } +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); + if (__is_long()) + __get_db()->swap(this, &__str); +#endif +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::__init(size_type __n, value_type __c) +{ + if (__n > max_size()) + this->__throw_length_error(); + pointer __p; + if (__n < __min_cap) + { + __set_short_size(__n); + __p = __get_short_pointer(); + } + else + { + size_type __cap = __recommend(__n); + __p = __alloc_traits::allocate(__alloc(), __cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); + __set_long_size(__n); + } + traits_type::assign(_VSTD::__to_raw_pointer(__p), __n, __c); + traits_type::assign(__p[__n], value_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(size_type __n, _CharT __c) +{ + __init(__n, __c); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(size_type __n, _CharT __c, const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + __init(__n, __c); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str, + size_type __pos, size_type __n, + const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + size_type __str_sz = __str.size(); + if (__pos > __str_sz) + this->__throw_out_of_range(); + __init(__str.data() + __pos, _VSTD::min(__n, __str_sz - __pos)); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str, size_type __pos, + const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + size_type __str_sz = __str.size(); + if (__pos > __str_sz) + this->__throw_out_of_range(); + __init(__str.data() + __pos, __str_sz - __pos); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> +basic_string<_CharT, _Traits, _Allocator>::basic_string( + const _Tp& __t, size_type __pos, size_type __n, const allocator_type& __a, + typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type *) + : __r_(__second_tag(), __a) +{ + __self_view __sv = __self_view(__t).substr(__pos, __n); + __init(__sv.data(), __sv.size()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(__self_view __sv) +{ + __init(__sv.data(), __sv.size()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(__self_view __sv, const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + __init(__sv.data(), __sv.size()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _InputIterator> +typename enable_if +< + __is_exactly_input_iterator<_InputIterator>::value, + void +>::type +basic_string<_CharT, _Traits, _Allocator>::__init(_InputIterator __first, _InputIterator __last) +{ + __zero(); +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + for (; __first != __last; ++__first) + push_back(*__first); +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + if (__is_long()) + __alloc_traits::deallocate(__alloc(), __get_long_pointer(), __get_long_cap()); + throw; + } +#endif // _LIBCPP_NO_EXCEPTIONS +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _ForwardIterator> +typename enable_if +< + __is_forward_iterator<_ForwardIterator>::value, + void +>::type +basic_string<_CharT, _Traits, _Allocator>::__init(_ForwardIterator __first, _ForwardIterator __last) +{ + size_type __sz = static_cast<size_type>(_VSTD::distance(__first, __last)); + if (__sz > max_size()) + this->__throw_length_error(); + pointer __p; + if (__sz < __min_cap) + { + __set_short_size(__sz); + __p = __get_short_pointer(); + } + else + { + size_type __cap = __recommend(__sz); + __p = __alloc_traits::allocate(__alloc(), __cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); + __set_long_size(__sz); + } + for (; __first != __last; ++__first, (void) ++__p) + traits_type::assign(*__p, *__first); + traits_type::assign(*__p, value_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _InputIterator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(_InputIterator __first, _InputIterator __last) +{ + __init(__first, __last); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _InputIterator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string(_InputIterator __first, _InputIterator __last, + const allocator_type& __a) + : __r_(__second_tag(), __a) +{ + __init(__first, __last); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>::basic_string( + initializer_list<_CharT> __il) +{ + __init(__il.begin(), __il.end()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY + +basic_string<_CharT, _Traits, _Allocator>::basic_string( + initializer_list<_CharT> __il, const _Allocator& __a) + : __r_(__second_tag(), __a) +{ + __init(__il.begin(), __il.end()); +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__insert_c(this); +#endif +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>::~basic_string() +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + __get_db()->__erase_c(this); +#endif + if (__is_long()) + __alloc_traits::deallocate(__alloc(), __get_long_pointer(), __get_long_cap()); +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::__grow_by_and_replace + (size_type __old_cap, size_type __delta_cap, size_type __old_sz, + size_type __n_copy, size_type __n_del, size_type __n_add, const value_type* __p_new_stuff) +{ + size_type __ms = max_size(); + if (__delta_cap > __ms - __old_cap - 1) + this->__throw_length_error(); + pointer __old_p = __get_pointer(); + size_type __cap = __old_cap < __ms / 2 - __alignment ? + __recommend(_VSTD::max(__old_cap + __delta_cap, 2 * __old_cap)) : + __ms - 1; + pointer __p = __alloc_traits::allocate(__alloc(), __cap+1); + __invalidate_all_iterators(); + if (__n_copy != 0) + traits_type::copy(_VSTD::__to_raw_pointer(__p), + _VSTD::__to_raw_pointer(__old_p), __n_copy); + if (__n_add != 0) + traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy, __p_new_stuff, __n_add); + size_type __sec_cp_sz = __old_sz - __n_del - __n_copy; + if (__sec_cp_sz != 0) + traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy + __n_add, + _VSTD::__to_raw_pointer(__old_p) + __n_copy + __n_del, __sec_cp_sz); + if (__old_cap+1 != __min_cap) + __alloc_traits::deallocate(__alloc(), __old_p, __old_cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); + __old_sz = __n_copy + __n_add + __sec_cp_sz; + __set_long_size(__old_sz); + traits_type::assign(__p[__old_sz], value_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::__grow_by(size_type __old_cap, size_type __delta_cap, size_type __old_sz, + size_type __n_copy, size_type __n_del, size_type __n_add) +{ + size_type __ms = max_size(); + if (__delta_cap > __ms - __old_cap) + this->__throw_length_error(); + pointer __old_p = __get_pointer(); + size_type __cap = __old_cap < __ms / 2 - __alignment ? + __recommend(_VSTD::max(__old_cap + __delta_cap, 2 * __old_cap)) : + __ms - 1; + pointer __p = __alloc_traits::allocate(__alloc(), __cap+1); + __invalidate_all_iterators(); + if (__n_copy != 0) + traits_type::copy(_VSTD::__to_raw_pointer(__p), + _VSTD::__to_raw_pointer(__old_p), __n_copy); + size_type __sec_cp_sz = __old_sz - __n_del - __n_copy; + if (__sec_cp_sz != 0) + traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy + __n_add, + _VSTD::__to_raw_pointer(__old_p) + __n_copy + __n_del, + __sec_cp_sz); + if (__old_cap+1 != __min_cap) + __alloc_traits::deallocate(__alloc(), __old_p, __old_cap+1); + __set_long_pointer(__p); + __set_long_cap(__cap+1); +} + +// assign + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::assign(const value_type* __s, size_type __n) +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::assign received nullptr"); + size_type __cap = capacity(); + if (__cap >= __n) + { + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + traits_type::move(__p, __s, __n); + traits_type::assign(__p[__n], value_type()); + __set_size(__n); + __invalidate_iterators_past(__n); + } + else + { + size_type __sz = size(); + __grow_by_and_replace(__cap, __n - __cap, __sz, 0, __sz, __n, __s); + } + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::assign(size_type __n, value_type __c) +{ + size_type __cap = capacity(); + if (__cap < __n) + { + size_type __sz = size(); + __grow_by(__cap, __n - __cap, __sz, 0, __sz); + } + else + __invalidate_iterators_past(__n); + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + traits_type::assign(__p, __n, __c); + traits_type::assign(__p[__n], value_type()); + __set_size(__n); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::operator=(value_type __c) +{ + pointer __p; + if (__is_long()) + { + __p = __get_long_pointer(); + __set_long_size(1); + } + else + { + __p = __get_short_pointer(); + __set_short_size(1); + } + traits_type::assign(*__p, __c); + traits_type::assign(*++__p, value_type()); + __invalidate_iterators_past(1); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::operator=(const basic_string& __str) +{ + if (this != &__str) + { + __copy_assign_alloc(__str); + assign(__str.data(), __str.size()); + } + return *this; +} + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::__move_assign(basic_string& __str, false_type) + _NOEXCEPT_(__alloc_traits::is_always_equal::value) +{ + if (__alloc() != __str.__alloc()) + assign(__str); + else + __move_assign(__str, true_type()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::__move_assign(basic_string& __str, true_type) +#if _LIBCPP_STD_VER > 14 + _NOEXCEPT +#else + _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) +#endif +{ + clear(); + shrink_to_fit(); + __r_.first() = __str.__r_.first(); + __move_assign_alloc(__str); + __str.__zero(); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::operator=(basic_string&& __str) + _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) +{ + __move_assign(__str, integral_constant<bool, + __alloc_traits::propagate_on_container_move_assignment::value>()); + return *this; +} + +#endif + +template <class _CharT, class _Traits, class _Allocator> +template<class _InputIterator> +typename enable_if +< + __is_exactly_input_iterator <_InputIterator>::value + || !__libcpp_string_gets_noexcept_iterator<_InputIterator>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::assign(_InputIterator __first, _InputIterator __last) +{ + const basic_string __temp(__first, __last, __alloc()); + assign(__temp.data(), __temp.size()); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _ForwardIterator> +typename enable_if +< + __is_forward_iterator<_ForwardIterator>::value + && __libcpp_string_gets_noexcept_iterator<_ForwardIterator>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last) +{ + size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last)); + size_type __cap = capacity(); + if (__cap < __n) + { + size_type __sz = size(); + __grow_by(__cap, __n - __cap, __sz, 0, __sz); + } + else + __invalidate_iterators_past(__n); + pointer __p = __get_pointer(); + for (; __first != __last; ++__first, ++__p) + traits_type::assign(*__p, *__first); + traits_type::assign(*__p, value_type()); + __set_size(__n); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::assign(const basic_string& __str, size_type __pos, size_type __n) +{ + size_type __sz = __str.size(); + if (__pos > __sz) + this->__throw_out_of_range(); + return assign(__str.data() + __pos, _VSTD::min(__n, __sz - __pos)); +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> +typename enable_if +< + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::assign(const _Tp & __t, size_type __pos, size_type __n) +{ + __self_view __sv = __t; + size_type __sz = __sv.size(); + if (__pos > __sz) + this->__throw_out_of_range(); + return assign(__sv.data() + __pos, _VSTD::min(__n, __sz - __pos)); +} + + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::assign(const value_type* __s) +{ + _LIBCPP_ASSERT(__s != nullptr, "string::assign received nullptr"); + return assign(__s, traits_type::length(__s)); +} + +// append + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::append(const value_type* __s, size_type __n) +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::append received nullptr"); + size_type __cap = capacity(); + size_type __sz = size(); + if (__cap - __sz >= __n) + { + if (__n) + { + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + traits_type::copy(__p + __sz, __s, __n); + __sz += __n; + __set_size(__sz); + traits_type::assign(__p[__sz], value_type()); + } + } + else + __grow_by_and_replace(__cap, __sz + __n - __cap, __sz, __sz, 0, __n, __s); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::append(size_type __n, value_type __c) +{ + if (__n) + { + size_type __cap = capacity(); + size_type __sz = size(); + if (__cap - __sz < __n) + __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0); + pointer __p = __get_pointer(); + traits_type::assign(_VSTD::__to_raw_pointer(__p) + __sz, __n, __c); + __sz += __n; + __set_size(__sz); + traits_type::assign(__p[__sz], value_type()); + } + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::push_back(value_type __c) +{ + bool __is_short = !__is_long(); + size_type __cap; + size_type __sz; + if (__is_short) + { + __cap = __min_cap - 1; + __sz = __get_short_size(); + } + else + { + __cap = __get_long_cap() - 1; + __sz = __get_long_size(); + } + if (__sz == __cap) + { + __grow_by(__cap, 1, __sz, __sz, 0); + __is_short = !__is_long(); + } + pointer __p; + if (__is_short) + { + __p = __get_short_pointer() + __sz; + __set_short_size(__sz+1); + } + else + { + __p = __get_long_pointer() + __sz; + __set_long_size(__sz+1); + } + traits_type::assign(*__p, __c); + traits_type::assign(*++__p, value_type()); +} + +template <class _Tp> +bool __ptr_in_range (const _Tp* __p, const _Tp* __first, const _Tp* __last) +{ + return __first <= __p && __p < __last; +} + +template <class _Tp1, class _Tp2> +bool __ptr_in_range (const _Tp1*, const _Tp2*, const _Tp2*) +{ + return false; +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _ForwardIterator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::__append_forward_unsafe( + _ForwardIterator __first, _ForwardIterator __last) +{ + static_assert(__is_forward_iterator<_ForwardIterator>::value, + "function requires a ForwardIterator"); + size_type __sz = size(); + size_type __cap = capacity(); + size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last)); + if (__n) + { + typedef typename iterator_traits<_ForwardIterator>::reference _CharRef; + _CharRef __tmp_ref = *__first; + if (__ptr_in_range(_VSTD::addressof(__tmp_ref), data(), data() + size())) + { + const basic_string __temp (__first, __last, __alloc()); + append(__temp.data(), __temp.size()); + } + else + { + if (__cap - __sz < __n) + __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0); + pointer __p = __get_pointer() + __sz; + for (; __first != __last; ++__p, ++__first) + traits_type::assign(*__p, *__first); + traits_type::assign(*__p, value_type()); + __set_size(__sz + __n); + } + } + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::append(const basic_string& __str) +{ + return append(__str.data(), __str.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::append(const basic_string& __str, size_type __pos, size_type __n) +{ + size_type __sz = __str.size(); + if (__pos > __sz) + this->__throw_out_of_range(); + return append(__str.data() + __pos, _VSTD::min(__n, __sz - __pos)); +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> + typename enable_if + < + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string<_CharT, _Traits, _Allocator>& + >::type +basic_string<_CharT, _Traits, _Allocator>::append(const _Tp & __t, size_type __pos, size_type __n) +{ + __self_view __sv = __t; + size_type __sz = __sv.size(); + if (__pos > __sz) + this->__throw_out_of_range(); + return append(__sv.data() + __pos, _VSTD::min(__n, __sz - __pos)); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::append(const value_type* __s) +{ + _LIBCPP_ASSERT(__s != nullptr, "string::append received nullptr"); + return append(__s, traits_type::length(__s)); +} + +// insert + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, const value_type* __s, size_type __n) +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::insert received nullptr"); + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + size_type __cap = capacity(); + if (__cap - __sz >= __n) + { + if (__n) + { + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + size_type __n_move = __sz - __pos; + if (__n_move != 0) + { + if (__p + __pos <= __s && __s < __p + __sz) + __s += __n; + traits_type::move(__p + __pos + __n, __p + __pos, __n_move); + } + traits_type::move(__p + __pos, __s, __n); + __sz += __n; + __set_size(__sz); + traits_type::assign(__p[__sz], value_type()); + } + } + else + __grow_by_and_replace(__cap, __sz + __n - __cap, __sz, __pos, 0, __n, __s); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, size_type __n, value_type __c) +{ + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + if (__n) + { + size_type __cap = capacity(); + value_type* __p; + if (__cap - __sz >= __n) + { + __p = _VSTD::__to_raw_pointer(__get_pointer()); + size_type __n_move = __sz - __pos; + if (__n_move != 0) + traits_type::move(__p + __pos + __n, __p + __pos, __n_move); + } + else + { + __grow_by(__cap, __sz + __n - __cap, __sz, __pos, 0, __n); + __p = _VSTD::__to_raw_pointer(__get_long_pointer()); + } + traits_type::assign(__p + __pos, __n, __c); + __sz += __n; + __set_size(__sz); + traits_type::assign(__p[__sz], value_type()); + } + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _InputIterator> +typename enable_if +< + __is_exactly_input_iterator<_InputIterator>::value + || !__libcpp_string_gets_noexcept_iterator<_InputIterator>::value, + typename basic_string<_CharT, _Traits, _Allocator>::iterator +>::type +basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, _InputIterator __first, _InputIterator __last) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this, + "string::insert(iterator, range) called with an iterator not" + " referring to this string"); +#endif + const basic_string __temp(__first, __last, __alloc()); + return insert(__pos, __temp.data(), __temp.data() + __temp.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _ForwardIterator> +typename enable_if +< + __is_forward_iterator<_ForwardIterator>::value + && __libcpp_string_gets_noexcept_iterator<_ForwardIterator>::value, + typename basic_string<_CharT, _Traits, _Allocator>::iterator +>::type +basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, _ForwardIterator __first, _ForwardIterator __last) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this, + "string::insert(iterator, range) called with an iterator not" + " referring to this string"); +#endif + size_type __ip = static_cast<size_type>(__pos - begin()); + size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last)); + if (__n) + { + typedef typename iterator_traits<_ForwardIterator>::reference _CharRef; + _CharRef __tmp_char = *__first; + if (__ptr_in_range(_VSTD::addressof(__tmp_char), data(), data() + size())) + { + const basic_string __temp(__first, __last, __alloc()); + return insert(__pos, __temp.data(), __temp.data() + __temp.size()); + } + + size_type __sz = size(); + size_type __cap = capacity(); + value_type* __p; + if (__cap - __sz >= __n) + { + __p = _VSTD::__to_raw_pointer(__get_pointer()); + size_type __n_move = __sz - __ip; + if (__n_move != 0) + traits_type::move(__p + __ip + __n, __p + __ip, __n_move); + } + else + { + __grow_by(__cap, __sz + __n - __cap, __sz, __ip, 0, __n); + __p = _VSTD::__to_raw_pointer(__get_long_pointer()); + } + __sz += __n; + __set_size(__sz); + traits_type::assign(__p[__sz], value_type()); + for (__p += __ip; __first != __last; ++__p, ++__first) + traits_type::assign(*__p, *__first); + } + return begin() + __ip; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos1, const basic_string& __str) +{ + return insert(__pos1, __str.data(), __str.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos1, const basic_string& __str, + size_type __pos2, size_type __n) +{ + size_type __str_sz = __str.size(); + if (__pos2 > __str_sz) + this->__throw_out_of_range(); + return insert(__pos1, __str.data() + __pos2, _VSTD::min(__n, __str_sz - __pos2)); +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> +typename enable_if +< + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos1, const _Tp& __t, + size_type __pos2, size_type __n) +{ + __self_view __sv = __t; + size_type __str_sz = __sv.size(); + if (__pos2 > __str_sz) + this->__throw_out_of_range(); + return insert(__pos1, __sv.data() + __pos2, _VSTD::min(__n, __str_sz - __pos2)); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, const value_type* __s) +{ + _LIBCPP_ASSERT(__s != nullptr, "string::insert received nullptr"); + return insert(__pos, __s, traits_type::length(__s)); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::iterator +basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, value_type __c) +{ + size_type __ip = static_cast<size_type>(__pos - begin()); + size_type __sz = size(); + size_type __cap = capacity(); + value_type* __p; + if (__cap == __sz) + { + __grow_by(__cap, 1, __sz, __ip, 0, 1); + __p = _VSTD::__to_raw_pointer(__get_long_pointer()); + } + else + { + __p = _VSTD::__to_raw_pointer(__get_pointer()); + size_type __n_move = __sz - __ip; + if (__n_move != 0) + traits_type::move(__p + __ip + 1, __p + __ip, __n_move); + } + traits_type::assign(__p[__ip], __c); + traits_type::assign(__p[++__sz], value_type()); + __set_size(__sz); + return begin() + static_cast<difference_type>(__ip); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::iterator +basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, size_type __n, value_type __c) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this, + "string::insert(iterator, n, value) called with an iterator not" + " referring to this string"); +#endif + difference_type __p = __pos - begin(); + insert(static_cast<size_type>(__p), __n, __c); + return begin() + __p; +} + +// replace + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, const value_type* __s, size_type __n2) + _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK +{ + _LIBCPP_ASSERT(__n2 == 0 || __s != nullptr, "string::replace received nullptr"); + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + __n1 = _VSTD::min(__n1, __sz - __pos); + size_type __cap = capacity(); + if (__cap - __sz + __n1 >= __n2) + { + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + if (__n1 != __n2) + { + size_type __n_move = __sz - __pos - __n1; + if (__n_move != 0) + { + if (__n1 > __n2) + { + traits_type::move(__p + __pos, __s, __n2); + traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move); + goto __finish; + } + if (__p + __pos < __s && __s < __p + __sz) + { + if (__p + __pos + __n1 <= __s) + __s += __n2 - __n1; + else // __p + __pos < __s < __p + __pos + __n1 + { + traits_type::move(__p + __pos, __s, __n1); + __pos += __n1; + __s += __n2; + __n2 -= __n1; + __n1 = 0; + } + } + traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move); + } + } + traits_type::move(__p + __pos, __s, __n2); +__finish: +// __sz += __n2 - __n1; in this and the below function below can cause unsigned integer overflow, +// but this is a safe operation, so we disable the check. + __sz += __n2 - __n1; + __set_size(__sz); + __invalidate_iterators_past(__sz); + traits_type::assign(__p[__sz], value_type()); + } + else + __grow_by_and_replace(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2, __s); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, size_type __n2, value_type __c) + _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK +{ + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + __n1 = _VSTD::min(__n1, __sz - __pos); + size_type __cap = capacity(); + value_type* __p; + if (__cap - __sz + __n1 >= __n2) + { + __p = _VSTD::__to_raw_pointer(__get_pointer()); + if (__n1 != __n2) + { + size_type __n_move = __sz - __pos - __n1; + if (__n_move != 0) + traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move); + } + } + else + { + __grow_by(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2); + __p = _VSTD::__to_raw_pointer(__get_long_pointer()); + } + traits_type::assign(__p + __pos, __n2, __c); + __sz += __n2 - __n1; + __set_size(__sz); + __invalidate_iterators_past(__sz); + traits_type::assign(__p[__sz], value_type()); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +template<class _InputIterator> +typename enable_if +< + __is_input_iterator<_InputIterator>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, + _InputIterator __j1, _InputIterator __j2) +{ + const basic_string __temp(__j1, __j2, __alloc()); + return this->replace(__i1, __i2, __temp); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos1, size_type __n1, const basic_string& __str) +{ + return replace(__pos1, __n1, __str.data(), __str.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos1, size_type __n1, const basic_string& __str, + size_type __pos2, size_type __n2) +{ + size_type __str_sz = __str.size(); + if (__pos2 > __str_sz) + this->__throw_out_of_range(); + return replace(__pos1, __n1, __str.data() + __pos2, _VSTD::min(__n2, __str_sz - __pos2)); +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> +typename enable_if +< + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + basic_string<_CharT, _Traits, _Allocator>& +>::type +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos1, size_type __n1, const _Tp& __t, + size_type __pos2, size_type __n2) +{ + __self_view __sv = __t; + size_type __str_sz = __sv.size(); + if (__pos2 > __str_sz) + this->__throw_out_of_range(); + return replace(__pos1, __n1, __sv.data() + __pos2, _VSTD::min(__n2, __str_sz - __pos2)); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, const value_type* __s) +{ + _LIBCPP_ASSERT(__s != nullptr, "string::replace received nullptr"); + return replace(__pos, __n1, __s, traits_type::length(__s)); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const basic_string& __str) +{ + return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), + __str.data(), __str.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const value_type* __s, size_type __n) +{ + return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s, __n); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const value_type* __s) +{ + return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c) +{ + return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __n, __c); +} + +// erase + +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator>& +basic_string<_CharT, _Traits, _Allocator>::erase(size_type __pos, size_type __n) +{ + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + if (__n) + { + value_type* __p = _VSTD::__to_raw_pointer(__get_pointer()); + __n = _VSTD::min(__n, __sz - __pos); + size_type __n_move = __sz - __pos - __n; + if (__n_move != 0) + traits_type::move(__p + __pos, __p + __pos + __n, __n_move); + __sz -= __n; + __set_size(__sz); + __invalidate_iterators_past(__sz); + traits_type::assign(__p[__sz], value_type()); + } + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::iterator +basic_string<_CharT, _Traits, _Allocator>::erase(const_iterator __pos) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this, + "string::erase(iterator) called with an iterator not" + " referring to this string"); +#endif + _LIBCPP_ASSERT(__pos != end(), + "string::erase(iterator) called with a non-dereferenceable iterator"); + iterator __b = begin(); + size_type __r = static_cast<size_type>(__pos - __b); + erase(__r, 1); + return __b + static_cast<difference_type>(__r); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::iterator +basic_string<_CharT, _Traits, _Allocator>::erase(const_iterator __first, const_iterator __last) +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__first) == this, + "string::erase(iterator, iterator) called with an iterator not" + " referring to this string"); +#endif + _LIBCPP_ASSERT(__first <= __last, "string::erase(first, last) called with invalid range"); + iterator __b = begin(); + size_type __r = static_cast<size_type>(__first - __b); + erase(__r, static_cast<size_type>(__last - __first)); + return __b + static_cast<difference_type>(__r); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::pop_back() +{ + _LIBCPP_ASSERT(!empty(), "string::pop_back(): string is already empty"); + size_type __sz; + if (__is_long()) + { + __sz = __get_long_size() - 1; + __set_long_size(__sz); + traits_type::assign(*(__get_long_pointer() + __sz), value_type()); + } + else + { + __sz = __get_short_size() - 1; + __set_short_size(__sz); + traits_type::assign(*(__get_short_pointer() + __sz), value_type()); + } + __invalidate_iterators_past(__sz); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::clear() _NOEXCEPT +{ + __invalidate_all_iterators(); + if (__is_long()) + { + traits_type::assign(*__get_long_pointer(), value_type()); + __set_long_size(0); + } + else + { + traits_type::assign(*__get_short_pointer(), value_type()); + __set_short_size(0); + } +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::__erase_to_end(size_type __pos) +{ + if (__is_long()) + { + traits_type::assign(*(__get_long_pointer() + __pos), value_type()); + __set_long_size(__pos); + } + else + { + traits_type::assign(*(__get_short_pointer() + __pos), value_type()); + __set_short_size(__pos); + } + __invalidate_iterators_past(__pos); +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::resize(size_type __n, value_type __c) +{ + size_type __sz = size(); + if (__n > __sz) + append(__n - __sz, __c); + else + __erase_to_end(__n); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::max_size() const _NOEXCEPT +{ + size_type __m = __alloc_traits::max_size(__alloc()); +#ifdef _LIBCPP_BIG_ENDIAN + return (__m <= ~__long_mask ? __m : __m/2) - __alignment; +#else + return __m - __alignment; +#endif +} + +template <class _CharT, class _Traits, class _Allocator> +void +basic_string<_CharT, _Traits, _Allocator>::reserve(size_type __res_arg) +{ + if (__res_arg > max_size()) + this->__throw_length_error(); + size_type __cap = capacity(); + size_type __sz = size(); + __res_arg = _VSTD::max(__res_arg, __sz); + __res_arg = __recommend(__res_arg); + if (__res_arg != __cap) + { + pointer __new_data, __p; + bool __was_long, __now_long; + if (__res_arg == __min_cap - 1) + { + __was_long = true; + __now_long = false; + __new_data = __get_short_pointer(); + __p = __get_long_pointer(); + } + else + { + if (__res_arg > __cap) + __new_data = __alloc_traits::allocate(__alloc(), __res_arg+1); + else + { + #ifndef _LIBCPP_NO_EXCEPTIONS + try + { + #endif // _LIBCPP_NO_EXCEPTIONS + __new_data = __alloc_traits::allocate(__alloc(), __res_arg+1); + #ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + return; + } + #else // _LIBCPP_NO_EXCEPTIONS + if (__new_data == nullptr) + return; + #endif // _LIBCPP_NO_EXCEPTIONS + } + __now_long = true; + __was_long = __is_long(); + __p = __get_pointer(); + } + traits_type::copy(_VSTD::__to_raw_pointer(__new_data), + _VSTD::__to_raw_pointer(__p), size()+1); + if (__was_long) + __alloc_traits::deallocate(__alloc(), __p, __cap+1); + if (__now_long) + { + __set_long_cap(__res_arg+1); + __set_long_size(__sz); + __set_long_pointer(__new_data); + } + else + __set_short_size(__sz); + __invalidate_all_iterators(); + } +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::const_reference +basic_string<_CharT, _Traits, _Allocator>::operator[](size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__pos <= size(), "string index out of bounds"); + return *(data() + __pos); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::reference +basic_string<_CharT, _Traits, _Allocator>::operator[](size_type __pos) _NOEXCEPT +{ + _LIBCPP_ASSERT(__pos <= size(), "string index out of bounds"); + return *(__get_pointer() + __pos); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::const_reference +basic_string<_CharT, _Traits, _Allocator>::at(size_type __n) const +{ + if (__n >= size()) + this->__throw_out_of_range(); + return (*this)[__n]; +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::reference +basic_string<_CharT, _Traits, _Allocator>::at(size_type __n) +{ + if (__n >= size()) + this->__throw_out_of_range(); + return (*this)[__n]; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::reference +basic_string<_CharT, _Traits, _Allocator>::front() +{ + _LIBCPP_ASSERT(!empty(), "string::front(): string is empty"); + return *__get_pointer(); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::const_reference +basic_string<_CharT, _Traits, _Allocator>::front() const +{ + _LIBCPP_ASSERT(!empty(), "string::front(): string is empty"); + return *data(); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::reference +basic_string<_CharT, _Traits, _Allocator>::back() +{ + _LIBCPP_ASSERT(!empty(), "string::back(): string is empty"); + return *(__get_pointer() + size() - 1); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::const_reference +basic_string<_CharT, _Traits, _Allocator>::back() const +{ + _LIBCPP_ASSERT(!empty(), "string::back(): string is empty"); + return *(data() + size() - 1); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::copy(value_type* __s, size_type __n, size_type __pos) const +{ + size_type __sz = size(); + if (__pos > __sz) + this->__throw_out_of_range(); + size_type __rlen = _VSTD::min(__n, __sz - __pos); + traits_type::copy(__s, data() + __pos, __rlen); + return __rlen; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +basic_string<_CharT, _Traits, _Allocator>::substr(size_type __pos, size_type __n) const +{ + return basic_string(*this, __pos, __n, __alloc()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +basic_string<_CharT, _Traits, _Allocator>::swap(basic_string& __str) +#if _LIBCPP_STD_VER >= 14 + _NOEXCEPT_DEBUG +#else + _NOEXCEPT_DEBUG_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value) +#endif +{ +#if _LIBCPP_DEBUG_LEVEL >= 2 + if (!__is_long()) + __get_db()->__invalidate_all(this); + if (!__str.__is_long()) + __get_db()->__invalidate_all(&__str); + __get_db()->swap(this, &__str); +#endif + _LIBCPP_ASSERT( + __alloc_traits::propagate_on_container_swap::value || + __alloc_traits::is_always_equal::value || + __alloc() == __str.__alloc(), "swapping non-equal allocators"); + _VSTD::swap(__r_.first(), __str.__r_.first()); + __swap_allocator(__alloc(), __str.__alloc()); +} + +// find + +template <class _Traits> +struct _LIBCPP_HIDDEN __traits_eq +{ + typedef typename _Traits::char_type char_type; + _LIBCPP_INLINE_VISIBILITY + bool operator()(const char_type& __x, const char_type& __y) _NOEXCEPT + {return _Traits::eq(__x, __y);} +}; + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find(): received nullptr"); + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::find(): received nullptr"); + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); +} + +// rfind + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::rfind(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::rfind(): received nullptr"); + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::rfind(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::rfind(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::rfind(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::rfind(): received nullptr"); + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::rfind(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); +} + +// find_first_of + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_of(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_first_of(): received nullptr"); + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_of(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_of(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_of(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::find_first_of(): received nullptr"); + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_of(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return find(__c, __pos); +} + +// find_last_of + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_of(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_last_of(): received nullptr"); + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_of(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_of(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_of(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::find_last_of(): received nullptr"); + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_of(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return rfind(__c, __pos); +} + +// find_first_not_of + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_first_not_of(): received nullptr"); + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::find_first_not_of(): received nullptr"); + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); +} + +// find_last_not_of + +template<class _CharT, class _Traits, class _Allocator> +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const value_type* __s, + size_type __pos, + size_type __n) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_last_not_of(): received nullptr"); + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const basic_string& __str, + size_type __pos) const _NOEXCEPT +{ + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __str.data(), __pos, __str.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(__self_view __sv, + size_type __pos) const _NOEXCEPT +{ + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __sv.data(), __pos, __sv.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const value_type* __s, + size_type __pos) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::find_last_not_of(): received nullptr"); + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +typename basic_string<_CharT, _Traits, _Allocator>::size_type +basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(value_type __c, + size_type __pos) const _NOEXCEPT +{ + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); +} + +// compare + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +int +basic_string<_CharT, _Traits, _Allocator>::compare(__self_view __sv) const _NOEXCEPT +{ + size_t __lhs_sz = size(); + size_t __rhs_sz = __sv.size(); + int __result = traits_type::compare(data(), __sv.data(), + _VSTD::min(__lhs_sz, __rhs_sz)); + if (__result != 0) + return __result; + if (__lhs_sz < __rhs_sz) + return -1; + if (__lhs_sz > __rhs_sz) + return 1; + return 0; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +int +basic_string<_CharT, _Traits, _Allocator>::compare(const basic_string& __str) const _NOEXCEPT +{ + return compare(__self_view(__str)); +} + +template <class _CharT, class _Traits, class _Allocator> +int +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + const value_type* __s, + size_type __n2) const +{ + _LIBCPP_ASSERT(__n2 == 0 || __s != nullptr, "string::compare(): received nullptr"); + size_type __sz = size(); + if (__pos1 > __sz || __n2 == npos) + this->__throw_out_of_range(); + size_type __rlen = _VSTD::min(__n1, __sz - __pos1); + int __r = traits_type::compare(data() + __pos1, __s, _VSTD::min(__rlen, __n2)); + if (__r == 0) + { + if (__rlen < __n2) + __r = -1; + else if (__rlen > __n2) + __r = 1; + } + return __r; +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +int +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + __self_view __sv) const +{ + return compare(__pos1, __n1, __sv.data(), __sv.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +int +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + const basic_string& __str) const +{ + return compare(__pos1, __n1, __str.data(), __str.size()); +} + +template <class _CharT, class _Traits, class _Allocator> +template <class _Tp> +typename enable_if +< + __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, + int +>::type +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + const _Tp& __t, + size_type __pos2, + size_type __n2) const +{ + __self_view __sv = __t; + return __self_view(*this).substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2)); +} + +template <class _CharT, class _Traits, class _Allocator> +int +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + const basic_string& __str, + size_type __pos2, + size_type __n2) const +{ + return compare(__pos1, __n1, __self_view(__str), __pos2, __n2); +} + +template <class _CharT, class _Traits, class _Allocator> +int +basic_string<_CharT, _Traits, _Allocator>::compare(const value_type* __s) const _NOEXCEPT +{ + _LIBCPP_ASSERT(__s != nullptr, "string::compare(): received nullptr"); + return compare(0, npos, __s, traits_type::length(__s)); +} + +template <class _CharT, class _Traits, class _Allocator> +int +basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1, + size_type __n1, + const value_type* __s) const +{ + _LIBCPP_ASSERT(__s != nullptr, "string::compare(): received nullptr"); + return compare(__pos1, __n1, __s, traits_type::length(__s)); +} + +// __invariants + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +basic_string<_CharT, _Traits, _Allocator>::__invariants() const +{ + if (size() > capacity()) + return false; + if (capacity() < __min_cap - 1) + return false; + if (data() == 0) + return false; + if (data()[size()] != value_type(0)) + return false; + return true; +} + +// operator== + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator==(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + size_t __lhs_sz = __lhs.size(); + return __lhs_sz == __rhs.size() && _Traits::compare(__lhs.data(), + __rhs.data(), + __lhs_sz) == 0; +} + +template<class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator==(const basic_string<char, char_traits<char>, _Allocator>& __lhs, + const basic_string<char, char_traits<char>, _Allocator>& __rhs) _NOEXCEPT +{ + size_t __lhs_sz = __lhs.size(); + if (__lhs_sz != __rhs.size()) + return false; + const char* __lp = __lhs.data(); + const char* __rp = __rhs.data(); + if (__lhs.__is_long()) + return char_traits<char>::compare(__lp, __rp, __lhs_sz) == 0; + for (; __lhs_sz != 0; --__lhs_sz, ++__lp, ++__rp) + if (*__lp != *__rp) + return false; + return true; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator==(const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + typedef basic_string<_CharT, _Traits, _Allocator> _String; + _LIBCPP_ASSERT(__lhs != nullptr, "operator==(char*, basic_string): received nullptr"); + size_t __lhs_len = _Traits::length(__lhs); + if (__lhs_len != __rhs.size()) return false; + return __rhs.compare(0, _String::npos, __lhs, __lhs_len) == 0; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + typedef basic_string<_CharT, _Traits, _Allocator> _String; + _LIBCPP_ASSERT(__rhs != nullptr, "operator==(basic_string, char*): received nullptr"); + size_t __rhs_len = _Traits::length(__rhs); + if (__rhs_len != __lhs.size()) return false; + return __lhs.compare(0, _String::npos, __rhs, __rhs_len) == 0; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__lhs == __rhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator!=(const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__lhs == __rhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator!=(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + return !(__lhs == __rhs); +} + +// operator< + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator< (const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) < 0; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator< (const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) < 0; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator< (const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return __rhs.compare(__lhs) > 0; +} + +// operator> + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator> (const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return __rhs < __lhs; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator> (const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + return __rhs < __lhs; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator> (const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return __rhs < __lhs; +} + +// operator<= + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator<=(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__rhs < __lhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator<=(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + return !(__rhs < __lhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator<=(const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__rhs < __lhs); +} + +// operator>= + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator>=(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__lhs < __rhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator>=(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const _CharT* __rhs) _NOEXCEPT +{ + return !(__lhs < __rhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +bool +operator>=(const _CharT* __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT +{ + return !(__lhs < __rhs); +} + +// operator + + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, + const basic_string<_CharT, _Traits, _Allocator>& __rhs) +{ + basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator()); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size(); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size(); + __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + __rhs_sz); + __r.append(__rhs.data(), __rhs_sz); + return __r; +} + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const _CharT* __lhs , const basic_string<_CharT,_Traits,_Allocator>& __rhs) +{ + basic_string<_CharT, _Traits, _Allocator> __r(__rhs.get_allocator()); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = _Traits::length(__lhs); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size(); + __r.__init(__lhs, __lhs_sz, __lhs_sz + __rhs_sz); + __r.append(__rhs.data(), __rhs_sz); + return __r; +} + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) +{ + basic_string<_CharT, _Traits, _Allocator> __r(__rhs.get_allocator()); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size(); + __r.__init(&__lhs, 1, 1 + __rhs_sz); + __r.append(__rhs.data(), __rhs_sz); + return __r; +} + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, const _CharT* __rhs) +{ + basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator()); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size(); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = _Traits::length(__rhs); + __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + __rhs_sz); + __r.append(__rhs, __rhs_sz); + return __r; +} + +template<class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, _CharT __rhs) +{ + basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator()); + typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size(); + __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + 1); + __r.push_back(__rhs); + return __r; +} + +#ifndef _LIBCPP_CXX03_LANG + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, const basic_string<_CharT, _Traits, _Allocator>& __rhs) +{ + return _VSTD::move(__lhs.append(__rhs)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, basic_string<_CharT, _Traits, _Allocator>&& __rhs) +{ + return _VSTD::move(__rhs.insert(0, __lhs)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, basic_string<_CharT, _Traits, _Allocator>&& __rhs) +{ + return _VSTD::move(__lhs.append(__rhs)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(const _CharT* __lhs , basic_string<_CharT,_Traits,_Allocator>&& __rhs) +{ + return _VSTD::move(__rhs.insert(0, __lhs)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(_CharT __lhs, basic_string<_CharT,_Traits,_Allocator>&& __rhs) +{ + __rhs.insert(__rhs.begin(), __lhs); + return _VSTD::move(__rhs); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, const _CharT* __rhs) +{ + return _VSTD::move(__lhs.append(__rhs)); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, _Allocator> +operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, _CharT __rhs) +{ + __lhs.push_back(__rhs); + return _VSTD::move(__lhs); +} + +#endif // _LIBCPP_CXX03_LANG + +// swap + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +void +swap(basic_string<_CharT, _Traits, _Allocator>& __lhs, + basic_string<_CharT, _Traits, _Allocator>& __rhs) + _NOEXCEPT_(_NOEXCEPT_(__lhs.swap(__rhs))) +{ + __lhs.swap(__rhs); +} + +#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS + +typedef basic_string<char16_t> u16string; +typedef basic_string<char32_t> u32string; + +#endif // _LIBCPP_HAS_NO_UNICODE_CHARS + +_LIBCPP_FUNC_VIS int stoi (const string& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS long stol (const string& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS unsigned long stoul (const string& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS long long stoll (const string& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS unsigned long long stoull(const string& __str, size_t* __idx = 0, int __base = 10); + +_LIBCPP_FUNC_VIS float stof (const string& __str, size_t* __idx = 0); +_LIBCPP_FUNC_VIS double stod (const string& __str, size_t* __idx = 0); +_LIBCPP_FUNC_VIS long double stold(const string& __str, size_t* __idx = 0); + +_LIBCPP_FUNC_VIS string to_string(int __val); +_LIBCPP_FUNC_VIS string to_string(unsigned __val); +_LIBCPP_FUNC_VIS string to_string(long __val); +_LIBCPP_FUNC_VIS string to_string(unsigned long __val); +_LIBCPP_FUNC_VIS string to_string(long long __val); +_LIBCPP_FUNC_VIS string to_string(unsigned long long __val); +_LIBCPP_FUNC_VIS string to_string(float __val); +_LIBCPP_FUNC_VIS string to_string(double __val); +_LIBCPP_FUNC_VIS string to_string(long double __val); + +_LIBCPP_FUNC_VIS int stoi (const wstring& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS long stol (const wstring& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS unsigned long stoul (const wstring& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS long long stoll (const wstring& __str, size_t* __idx = 0, int __base = 10); +_LIBCPP_FUNC_VIS unsigned long long stoull(const wstring& __str, size_t* __idx = 0, int __base = 10); + +_LIBCPP_FUNC_VIS float stof (const wstring& __str, size_t* __idx = 0); +_LIBCPP_FUNC_VIS double stod (const wstring& __str, size_t* __idx = 0); +_LIBCPP_FUNC_VIS long double stold(const wstring& __str, size_t* __idx = 0); + +_LIBCPP_FUNC_VIS wstring to_wstring(int __val); +_LIBCPP_FUNC_VIS wstring to_wstring(unsigned __val); +_LIBCPP_FUNC_VIS wstring to_wstring(long __val); +_LIBCPP_FUNC_VIS wstring to_wstring(unsigned long __val); +_LIBCPP_FUNC_VIS wstring to_wstring(long long __val); +_LIBCPP_FUNC_VIS wstring to_wstring(unsigned long long __val); +_LIBCPP_FUNC_VIS wstring to_wstring(float __val); +_LIBCPP_FUNC_VIS wstring to_wstring(double __val); +_LIBCPP_FUNC_VIS wstring to_wstring(long double __val); + +template<class _CharT, class _Traits, class _Allocator> + const typename basic_string<_CharT, _Traits, _Allocator>::size_type + basic_string<_CharT, _Traits, _Allocator>::npos; + +template<class _CharT, class _Traits, class _Allocator> +struct _LIBCPP_TEMPLATE_VIS hash<basic_string<_CharT, _Traits, _Allocator> > + : public unary_function<basic_string<_CharT, _Traits, _Allocator>, size_t> +{ + size_t + operator()(const basic_string<_CharT, _Traits, _Allocator>& __val) const _NOEXCEPT; +}; + +template<class _CharT, class _Traits, class _Allocator> +size_t +hash<basic_string<_CharT, _Traits, _Allocator> >::operator()( + const basic_string<_CharT, _Traits, _Allocator>& __val) const _NOEXCEPT +{ + return __do_string_hash(__val.data(), __val.data() + __val.size()); +} + +template<class _CharT, class _Traits, class _Allocator> +basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, + const basic_string<_CharT, _Traits, _Allocator>& __str); + +template<class _CharT, class _Traits, class _Allocator> +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str); + +template<class _CharT, class _Traits, class _Allocator> +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm); + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str); + +#ifndef _LIBCPP_CXX03_LANG + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>&& __is, + basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm); + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>&& __is, + basic_string<_CharT, _Traits, _Allocator>& __str); + +#endif // _LIBCPP_CXX03_LANG + +#if _LIBCPP_DEBUG_LEVEL >= 2 + +template<class _CharT, class _Traits, class _Allocator> +bool +basic_string<_CharT, _Traits, _Allocator>::__dereferenceable(const const_iterator* __i) const +{ + return this->data() <= _VSTD::__to_raw_pointer(__i->base()) && + _VSTD::__to_raw_pointer(__i->base()) < this->data() + this->size(); +} + +template<class _CharT, class _Traits, class _Allocator> +bool +basic_string<_CharT, _Traits, _Allocator>::__decrementable(const const_iterator* __i) const +{ + return this->data() < _VSTD::__to_raw_pointer(__i->base()) && + _VSTD::__to_raw_pointer(__i->base()) <= this->data() + this->size(); +} + +template<class _CharT, class _Traits, class _Allocator> +bool +basic_string<_CharT, _Traits, _Allocator>::__addable(const const_iterator* __i, ptrdiff_t __n) const +{ + const value_type* __p = _VSTD::__to_raw_pointer(__i->base()) + __n; + return this->data() <= __p && __p <= this->data() + this->size(); +} + +template<class _CharT, class _Traits, class _Allocator> +bool +basic_string<_CharT, _Traits, _Allocator>::__subscriptable(const const_iterator* __i, ptrdiff_t __n) const +{ + const value_type* __p = _VSTD::__to_raw_pointer(__i->base()) + __n; + return this->data() <= __p && __p < this->data() + this->size(); +} + +#endif // _LIBCPP_DEBUG_LEVEL >= 2 + +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_string<char>) +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_string<wchar_t>) + +#if _LIBCPP_STD_VER > 11 +// Literal suffixes for basic_string [basic.string.literals] +inline namespace literals +{ + inline namespace string_literals + { + inline _LIBCPP_INLINE_VISIBILITY + basic_string<char> operator "" s( const char *__str, size_t __len ) + { + return basic_string<char> (__str, __len); + } + + inline _LIBCPP_INLINE_VISIBILITY + basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len ) + { + return basic_string<wchar_t> (__str, __len); + } + + inline _LIBCPP_INLINE_VISIBILITY + basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len ) + { + return basic_string<char16_t> (__str, __len); + } + + inline _LIBCPP_INLINE_VISIBILITY + basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len ) + { + return basic_string<char32_t> (__str, __len); + } + } +} +#endif + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_STRING |