diff options
Diffstat (limited to 'lib/libcxx/include/string')
| -rw-r--r-- | lib/libcxx/include/string | 4380 |
1 files changed, 0 insertions, 4380 deletions
diff --git a/lib/libcxx/include/string b/lib/libcxx/include/string deleted file mode 100644 index fb838d1e5dd..00000000000 --- a/lib/libcxx/include/string +++ /dev/null @@ -1,4380 +0,0 @@ -// -*- 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 - template <class T> - explicit basic_string(const T& t, const Allocator& a = Allocator()); // C++17 - 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); - template <class T> - basic_string& operator=(const T& t); // C++17 - 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); - template <class T> - basic_string& operator+=(const T& t); // C++17 - 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); - template <class T> - basic_string& append(const T& t); // C++17 - 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); - template <class T> - basic_string& assign(const T& t); // C++17 - 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); - template <class T> - basic_string& insert(size_type pos1, const T& t); - 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); - template <class T> - basic_string& replace(size_type pos1, size_type n1, const T& t); // C++17 - 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); - template <class T> - basic_string& replace(const_iterator i1, const_iterator i2, const T& t); // C++17 - 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; - template <class T> - size_type find(const T& t, size_type pos = 0) const; // C++17 - 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; - template <class T> - size_type rfind(const T& t, size_type pos = npos) const; // C++17 - 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; - template <class T> - size_type find_first_of(const T& t, size_type pos = 0) const; // C++17 - 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; - template <class T> - size_type find_last_of(const T& t, size_type pos = npos) const noexcept; // C++17 - 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; - template <class T> - size_type find_first_not_of(const T& t, size_type pos = 0) const; // C++17 - 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; - template <class T> - size_type find_last_not_of(const T& t, size_type pos = npos) const; // C++17 - 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; - template <class T> - int compare(const T& t) const noexcept; // C++17 - int compare(size_type pos1, size_type n1, const basic_string& str) const; - template <class T> - int compare(size_type pos1, size_type n1, const T& t) const; // C++17 - 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 InputIterator, - class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>> -basic_string(InputIterator, InputIterator, Allocator = Allocator()) - -> basic_string<typename iterator_traits<InputIterator>::value_type, - char_traits<typename iterator_traits<InputIterator>::value_type>, - Allocator>; // C++17 - -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); - -template<class charT, class traits, class Allocator, class U> -void erase(basic_string<charT, traits, Allocator>& c, const U& value); // C++20 -template<class charT, class traits, class Allocator, class Predicate> -void erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred); // C++20 - -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> -#include <version> -#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> -inline _LIBCPP_INLINE_VISIBILITY -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_array<value_type>::value), "Character type of basic_string must not be an array"); - static_assert(( is_standard_layout<value_type>::value), "Character type of basic_string must be standard-layout"); - static_assert(( is_trivial<value_type>::value), "Character type of basic_string must be trivial"); - 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 - -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES - template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type> -#endif - _LIBCPP_INLINE_VISIBILITY - 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 - } - -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES - template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type> -#endif - _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); - -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES - template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type> -#endif - _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, class = typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - basic_string(const _Tp& __t, size_type __pos, size_type __n, - const allocator_type& __a = allocator_type()); - - template<class _Tp, class = typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - explicit basic_string(const _Tp& __t); - - template<class _Tp, class = typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - explicit basic_string(const _Tp& __t, const allocator_type& __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); - - template <class _Tp, class = typename enable_if<__can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, void>::type> - basic_string& operator=(const _Tp& __t) - {__self_view __sv = __t; 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); - _LIBCPP_INLINE_VISIBILITY void __resize_default_init(size_type __n); - - _LIBCPP_INLINE_VISIBILITY - void reserve() _NOEXCEPT {reserve(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);} - - 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 - operator+=(const _Tp& __t) {__self_view __sv = __t; 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); - - 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) { __self_view __sv = __t; 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); - - _LIBCPP_INLINE_VISIBILITY - void __append_default_init(size_type __n); - - 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; - - 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) { __self_view __sv = __t; 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); - - 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) - { __self_view __sv = __t; 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); - - 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) { __self_view __sv = __t; 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); - - 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(const_iterator __i1, const_iterator __i2, const _Tp& __t) { __self_view __sv = __t; 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - find(const _Tp& __t, size_type __pos = 0) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - rfind(const _Tp& __t, size_type __pos = npos) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - find_first_of(const _Tp& __t, size_type __pos = 0) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - find_last_of(const _Tp& __t, size_type __pos = npos) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - find_first_not_of(const _Tp &__t, size_type __pos = 0) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - size_type - >::type - find_last_not_of(const _Tp& __t, size_type __pos = npos) const; - 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; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - typename enable_if - < - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - int - >::type - compare(const _Tp &__t) const; - - template <class _Tp> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - 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) 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 void __clear_and_shrink() _NOEXCEPT; - - _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 - { - if (__s < __min_cap) return static_cast<size_type>(__min_cap) - 1; - size_type __guess = __align_it<sizeof(value_type) < __alignment ? - __alignment/sizeof(value_type) : 1 > (__s+1) - 1; - if (__guess == __min_cap) ++__guess; - return __guess; - } - - 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_and_shrink(); - __alloc() = __str.__alloc(); - } - else - { - allocator_type __a = __str.__alloc(); - pointer __p = __alloc_traits::allocate(__a, __str.__get_long_cap()); - __clear_and_shrink(); - __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); -}; - -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES -template<class _InputIterator, - class _CharT = typename iterator_traits<_InputIterator>::value_type, - class _Allocator = allocator<_CharT>, - class = typename enable_if<__is_input_iterator<_InputIterator>::value, void>::type, - class = typename enable_if<__is_allocator<_Allocator>::value, void>::type - > -basic_string(_InputIterator, _InputIterator, _Allocator = _Allocator()) - -> basic_string<_CharT, char_traits<_CharT>, _Allocator>; - -template<class _CharT, - class _Traits, - class _Allocator = allocator<_CharT>, - class = typename enable_if<__is_allocator<_Allocator>::value, void>::type - > -explicit basic_string(basic_string_view<_CharT, _Traits>, const _Allocator& = _Allocator()) - -> basic_string<_CharT, _Traits, _Allocator>; - -template<class _CharT, - class _Traits, - class _Allocator = allocator<_CharT>, - class = typename enable_if<__is_allocator<_Allocator>::value, void>::type, - class _Sz = typename allocator_traits<_Allocator>::size_type - > -basic_string(basic_string_view<_CharT, _Traits>, _Sz, _Sz, const _Allocator& = _Allocator()) - -> basic_string<_CharT, _Traits, _Allocator>; -#endif - - -template <class _CharT, class _Traits, class _Allocator> -inline -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 -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 -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 -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> -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES -template <class> -#endif -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 -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 -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 -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 -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 -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> -#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES -template <class> -#endif -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 -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, class> -basic_string<_CharT, _Traits, _Allocator>::basic_string( - const _Tp& __t, size_type __pos, size_type __n, const allocator_type& __a) - : __r_(__second_tag(), __a) -{ - __self_view __sv0 = __t; - __self_view __sv = __sv0.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> -template <class _Tp, class> -basic_string<_CharT, _Traits, _Allocator>::basic_string(const _Tp & __t) -{ - __self_view __sv = __t; - __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 _Tp, class> -basic_string<_CharT, _Traits, _Allocator>::basic_string(const _Tp & __t, const _Allocator& __a) - : __r_(__second_tag(), __a) -{ - __self_view __sv = __t; - __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 -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 -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 -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 - -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 -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 -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_and_shrink(); - __r_.first() = __str.__r_.first(); - __move_assign_alloc(__str); - __str.__zero(); -} - -template <class _CharT, class _Traits, class _Allocator> -inline -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> -inline void -basic_string<_CharT, _Traits, _Allocator>::__append_default_init(size_type __n) -{ - 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(); - __sz += __n; - __set_size(__sz); - traits_type::assign(__p[__sz], value_type()); - } -} - -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 -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 -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 -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 -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 -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 -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 -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 -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 -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 -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 -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 -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 -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 void -basic_string<_CharT, _Traits, _Allocator>::__resize_default_init(size_type __n) -{ - size_type __sz = size(); - if (__n > __sz) { - __append_default_init(__n - __sz); - } else - __erase_to_end(__n); -} - -template <class _CharT, class _Traits, class _Allocator> -inline -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 -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 -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 -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 -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 -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 -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 -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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::find(const _Tp &__t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::rfind(const _Tp& __t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::find_first_of(const _Tp& __t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::find_last_of(const _Tp& __t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const _Tp& __t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - typename basic_string<_CharT, _Traits, _Allocator>::size_type ->::type -basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const _Tp& __t, - size_type __pos) const -{ - __self_view __sv = __t; - 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 -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 -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> -template <class _Tp> -typename enable_if -< - __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value, - int ->::type -basic_string<_CharT, _Traits, _Allocator>::compare(const _Tp& __t) const -{ - __self_view __sv = __t; - 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 -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> -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) const -{ - __self_view __sv = __t; - return compare(__pos1, __n1, __sv.data(), __sv.size()); -} - -template <class _CharT, class _Traits, class _Allocator> -inline -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 -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; -} - -// __clear_and_shrink - -template<class _CharT, class _Traits, class _Allocator> -inline -void -basic_string<_CharT, _Traits, _Allocator>::__clear_and_shrink() _NOEXCEPT -{ - clear(); - if(__is_long()) - { - __alloc_traits::deallocate(__alloc(), __get_long_pointer(), capacity() + 1); - __set_long_cap(0); - __set_short_size(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 -{ - 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> -inline -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_NO_HAS_CHAR8_T -typedef basic_string<char8_t> u8string; -#endif - -#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_STD_VER > 17 -template<class _CharT, class _Traits, class _Allocator, class _Up> -inline _LIBCPP_INLINE_VISIBILITY -void erase(basic_string<_CharT, _Traits, _Allocator>& __str, const _Up& __v) -{ __str.erase(_VSTD::remove(__str.begin(), __str.end(), __v), __str.end()); } - -template<class _CharT, class _Traits, class _Allocator, class _Predicate> -inline _LIBCPP_INLINE_VISIBILITY -void erase_if(basic_string<_CharT, _Traits, _Allocator>& __str, _Predicate __pred) -{ __str.erase(_VSTD::remove_if(__str.begin(), __str.end(), __pred), __str.end()); } -#endif - -#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); - } - -#ifndef _LIBCPP_NO_HAS_CHAR8_T - inline _LIBCPP_INLINE_VISIBILITY - basic_string<char8_t> operator "" s(const char8_t *__str, size_t __len) _NOEXCEPT - { - return basic_string<char8_t> (__str, __len); - } -#endif - - 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 |