diff options
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/string_view')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/string_view | 1900 |
1 files changed, 950 insertions, 950 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/string_view b/contrib/libs/cxxsupp/libcxx/include/string_view index 34dbf0b28a..8df3ff297c 100644 --- a/contrib/libs/cxxsupp/libcxx/include/string_view +++ b/contrib/libs/cxxsupp/libcxx/include/string_view @@ -1,966 +1,966 @@ -// -*- C++ -*- -//===------------------------ string_view ---------------------------------===// -// +// -*- C++ -*- +//===------------------------ string_view ---------------------------------===// +// // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_STRING_VIEW -#define _LIBCPP_STRING_VIEW - -/* -string_view synopsis - -namespace std { - - // 7.2, Class template basic_string_view - template<class charT, class traits = char_traits<charT>> - class basic_string_view; - - template<class charT, class traits> - inline constexpr bool ranges::enable_view<basic_string_view<charT, traits>> = true; - - template<class charT, class traits> - inline constexpr bool ranges::enable_borrowed_range<basic_string_view<charT, traits>> = true; // C++20 - - // 7.9, basic_string_view non-member comparison functions - template<class charT, class traits> - constexpr bool operator==(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> - constexpr bool operator!=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> - constexpr bool operator< (basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> - constexpr bool operator> (basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> - constexpr bool operator<=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - template<class charT, class traits> - constexpr bool operator>=(basic_string_view<charT, traits> x, - basic_string_view<charT, traits> y) noexcept; - // see below, sufficient additional overloads of comparison functions - - // 7.10, Inserters and extractors - template<class charT, class traits> - basic_ostream<charT, traits>& - operator<<(basic_ostream<charT, traits>& os, - basic_string_view<charT, traits> str); - - // basic_string_view typedef names - typedef basic_string_view<char> string_view; - typedef basic_string_view<char8_t> u8string_view; // C++20 - typedef basic_string_view<char16_t> u16string_view; - typedef basic_string_view<char32_t> u32string_view; - typedef basic_string_view<wchar_t> wstring_view; - - template<class charT, class traits = char_traits<charT>> - class basic_string_view { - public: - // types - typedef traits traits_type; - typedef charT value_type; - typedef charT* pointer; - typedef const charT* const_pointer; - typedef charT& reference; - typedef const charT& const_reference; - typedef implementation-defined const_iterator; - typedef const_iterator iterator; - typedef reverse_iterator<const_iterator> const_reverse_iterator; - typedef const_reverse_iterator reverse_iterator; - typedef size_t size_type; - typedef ptrdiff_t difference_type; - static constexpr size_type npos = size_type(-1); - - // 7.3, basic_string_view constructors and assignment operators - constexpr basic_string_view() noexcept; - constexpr basic_string_view(const basic_string_view&) noexcept = default; - basic_string_view& operator=(const basic_string_view&) noexcept = default; - template<class Allocator> - constexpr basic_string_view(const charT* str); - basic_string_view(nullptr_t) = delete; // C++2b - constexpr basic_string_view(const charT* str, size_type len); - template <class It, class End> - constexpr basic_string_view(It begin, End end); // C++20 - - // 7.4, basic_string_view iterator support - constexpr const_iterator begin() const noexcept; - constexpr const_iterator end() const noexcept; - constexpr const_iterator cbegin() const noexcept; - constexpr const_iterator cend() const noexcept; - const_reverse_iterator rbegin() const noexcept; - const_reverse_iterator rend() const noexcept; - const_reverse_iterator crbegin() const noexcept; - const_reverse_iterator crend() const noexcept; - - // 7.5, basic_string_view capacity - constexpr size_type size() const noexcept; - constexpr size_type length() const noexcept; - constexpr size_type max_size() const noexcept; - constexpr bool empty() const noexcept; - - // 7.6, basic_string_view element access - constexpr const_reference operator[](size_type pos) const; - constexpr const_reference at(size_type pos) const; - constexpr const_reference front() const; - constexpr const_reference back() const; - constexpr const_pointer data() const noexcept; - - // 7.7, basic_string_view modifiers - constexpr void remove_prefix(size_type n); - constexpr void remove_suffix(size_type n); - constexpr void swap(basic_string_view& s) noexcept; - - size_type copy(charT* s, size_type n, size_type pos = 0) const; // constexpr in C++20 - - constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; - constexpr int compare(basic_string_view s) const noexcept; - constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; - constexpr int compare(size_type pos1, size_type n1, - basic_string_view s, size_type pos2, size_type n2) const; - constexpr int compare(const charT* s) const; - constexpr int compare(size_type pos1, size_type n1, const charT* s) const; - constexpr int compare(size_type pos1, size_type n1, - const charT* s, size_type n2) const; - constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find(charT c, size_type pos = 0) const noexcept; - constexpr size_type find(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; - constexpr size_type rfind(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type rfind(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; - constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_first_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; - constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_last_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; - constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; - constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension - constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; - constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; - constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension - constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension - - constexpr bool starts_with(basic_string_view s) const noexcept; // C++20 - constexpr bool starts_with(charT c) const noexcept; // C++20 - constexpr bool starts_with(const charT* s) const; // C++20 - constexpr bool ends_with(basic_string_view s) const noexcept; // C++20 - constexpr bool ends_with(charT c) const noexcept; // C++20 - constexpr bool ends_with(const charT* s) const; // C++20 - - constexpr bool contains(basic_string_view s) const noexcept; // C++2b - constexpr bool contains(charT c) const noexcept; // C++2b - constexpr bool contains(const charT* s) const; // C++2b - - private: - const_pointer data_; // exposition only - size_type size_; // exposition only - }; - - // basic_string_view deduction guides - template<class It, class End> - basic_string_view(It, End) -> basic_string_view<iter_value_t<It>>; // C++20 - - // 7.11, Hash support - template <class T> struct hash; - template <> struct hash<string_view>; - template <> struct hash<u8string_view>; // C++20 - template <> struct hash<u16string_view>; - template <> struct hash<u32string_view>; - template <> struct hash<wstring_view>; - - constexpr basic_string_view<char> operator "" sv( const char *str, size_t len ) noexcept; - constexpr basic_string_view<wchar_t> operator "" sv( const wchar_t *str, size_t len ) noexcept; - constexpr basic_string_view<char8_t> operator "" sv( const char8_t *str, size_t len ) noexcept; // C++20 - constexpr basic_string_view<char16_t> operator "" sv( const char16_t *str, size_t len ) noexcept; - constexpr basic_string_view<char32_t> operator "" sv( const char32_t *str, size_t len ) noexcept; - -} // namespace std - - -*/ - -#include <__concepts/convertible_to.h> -#include <__concepts/same_as.h> -#include <__config> -#include <__debug> -#include <__ranges/enable_borrowed_range.h> -#include <__ranges/enable_view.h> -#include <__string> -#include <algorithm> -#include <compare> -#include <iosfwd> -#include <iterator> -#include <limits> -#include <stdexcept> +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_STRING_VIEW +#define _LIBCPP_STRING_VIEW + +/* +string_view synopsis + +namespace std { + + // 7.2, Class template basic_string_view + template<class charT, class traits = char_traits<charT>> + class basic_string_view; + + template<class charT, class traits> + inline constexpr bool ranges::enable_view<basic_string_view<charT, traits>> = true; + + template<class charT, class traits> + inline constexpr bool ranges::enable_borrowed_range<basic_string_view<charT, traits>> = true; // C++20 + + // 7.9, basic_string_view non-member comparison functions + template<class charT, class traits> + constexpr bool operator==(basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + template<class charT, class traits> + constexpr bool operator!=(basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + template<class charT, class traits> + constexpr bool operator< (basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + template<class charT, class traits> + constexpr bool operator> (basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + template<class charT, class traits> + constexpr bool operator<=(basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + template<class charT, class traits> + constexpr bool operator>=(basic_string_view<charT, traits> x, + basic_string_view<charT, traits> y) noexcept; + // see below, sufficient additional overloads of comparison functions + + // 7.10, Inserters and extractors + template<class charT, class traits> + basic_ostream<charT, traits>& + operator<<(basic_ostream<charT, traits>& os, + basic_string_view<charT, traits> str); + + // basic_string_view typedef names + typedef basic_string_view<char> string_view; + typedef basic_string_view<char8_t> u8string_view; // C++20 + typedef basic_string_view<char16_t> u16string_view; + typedef basic_string_view<char32_t> u32string_view; + typedef basic_string_view<wchar_t> wstring_view; + + template<class charT, class traits = char_traits<charT>> + class basic_string_view { + public: + // types + typedef traits traits_type; + typedef charT value_type; + typedef charT* pointer; + typedef const charT* const_pointer; + typedef charT& reference; + typedef const charT& const_reference; + typedef implementation-defined const_iterator; + typedef const_iterator iterator; + typedef reverse_iterator<const_iterator> const_reverse_iterator; + typedef const_reverse_iterator reverse_iterator; + typedef size_t size_type; + typedef ptrdiff_t difference_type; + static constexpr size_type npos = size_type(-1); + + // 7.3, basic_string_view constructors and assignment operators + constexpr basic_string_view() noexcept; + constexpr basic_string_view(const basic_string_view&) noexcept = default; + basic_string_view& operator=(const basic_string_view&) noexcept = default; + template<class Allocator> + constexpr basic_string_view(const charT* str); + basic_string_view(nullptr_t) = delete; // C++2b + constexpr basic_string_view(const charT* str, size_type len); + template <class It, class End> + constexpr basic_string_view(It begin, End end); // C++20 + + // 7.4, basic_string_view iterator support + constexpr const_iterator begin() const noexcept; + constexpr const_iterator end() const noexcept; + constexpr const_iterator cbegin() const noexcept; + constexpr const_iterator cend() const noexcept; + const_reverse_iterator rbegin() const noexcept; + const_reverse_iterator rend() const noexcept; + const_reverse_iterator crbegin() const noexcept; + const_reverse_iterator crend() const noexcept; + + // 7.5, basic_string_view capacity + constexpr size_type size() const noexcept; + constexpr size_type length() const noexcept; + constexpr size_type max_size() const noexcept; + constexpr bool empty() const noexcept; + + // 7.6, basic_string_view element access + constexpr const_reference operator[](size_type pos) const; + constexpr const_reference at(size_type pos) const; + constexpr const_reference front() const; + constexpr const_reference back() const; + constexpr const_pointer data() const noexcept; + + // 7.7, basic_string_view modifiers + constexpr void remove_prefix(size_type n); + constexpr void remove_suffix(size_type n); + constexpr void swap(basic_string_view& s) noexcept; + + size_type copy(charT* s, size_type n, size_type pos = 0) const; // constexpr in C++20 + + constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; + constexpr int compare(basic_string_view s) const noexcept; + constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; + constexpr int compare(size_type pos1, size_type n1, + basic_string_view s, size_type pos2, size_type n2) const; + constexpr int compare(const charT* s) const; + constexpr int compare(size_type pos1, size_type n1, const charT* s) const; + constexpr int compare(size_type pos1, size_type n1, + const charT* s, size_type n2) const; + constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; + constexpr size_type find(charT c, size_type pos = 0) const noexcept; + constexpr size_type find(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type find(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension + constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; + constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; + constexpr size_type rfind(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type rfind(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension + constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; + constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; + constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type find_first_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension + constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; + constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; + constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type find_last_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension + constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; + constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; + constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const noexcept; // noexcept as an extension + constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; + constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; + constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const noexcept; // noexcept as an extension + constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const noexcept; // noexcept as an extension + + constexpr bool starts_with(basic_string_view s) const noexcept; // C++20 + constexpr bool starts_with(charT c) const noexcept; // C++20 + constexpr bool starts_with(const charT* s) const; // C++20 + constexpr bool ends_with(basic_string_view s) const noexcept; // C++20 + constexpr bool ends_with(charT c) const noexcept; // C++20 + constexpr bool ends_with(const charT* s) const; // C++20 + + constexpr bool contains(basic_string_view s) const noexcept; // C++2b + constexpr bool contains(charT c) const noexcept; // C++2b + constexpr bool contains(const charT* s) const; // C++2b + + private: + const_pointer data_; // exposition only + size_type size_; // exposition only + }; + + // basic_string_view deduction guides + template<class It, class End> + basic_string_view(It, End) -> basic_string_view<iter_value_t<It>>; // C++20 + + // 7.11, Hash support + template <class T> struct hash; + template <> struct hash<string_view>; + template <> struct hash<u8string_view>; // C++20 + template <> struct hash<u16string_view>; + template <> struct hash<u32string_view>; + template <> struct hash<wstring_view>; + + constexpr basic_string_view<char> operator "" sv( const char *str, size_t len ) noexcept; + constexpr basic_string_view<wchar_t> operator "" sv( const wchar_t *str, size_t len ) noexcept; + constexpr basic_string_view<char8_t> operator "" sv( const char8_t *str, size_t len ) noexcept; // C++20 + constexpr basic_string_view<char16_t> operator "" sv( const char16_t *str, size_t len ) noexcept; + constexpr basic_string_view<char32_t> operator "" sv( const char32_t *str, size_t len ) noexcept; + +} // namespace std + + +*/ + +#include <__concepts/convertible_to.h> +#include <__concepts/same_as.h> +#include <__config> +#include <__debug> +#include <__ranges/enable_borrowed_range.h> +#include <__ranges/enable_view.h> +#include <__string> +#include <algorithm> +#include <compare> +#include <iosfwd> +#include <iterator> +#include <limits> +#include <stdexcept> #include <version> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -#ifdef _LIBCPP_COMPILER_MSVC -#pragma warning ( push ) -#pragma warning ( disable : 4455 ) -#endif - -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - - -_LIBCPP_BEGIN_NAMESPACE_STD - -template<class _CharT, class _Traits = char_traits<_CharT> > - class _LIBCPP_TEMPLATE_VIS basic_string_view; - -typedef basic_string_view<char> string_view; -#ifndef _LIBCPP_HAS_NO_CHAR8_T -typedef basic_string_view<char8_t> u8string_view; -#endif -typedef basic_string_view<char16_t> u16string_view; -typedef basic_string_view<char32_t> u32string_view; -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -typedef basic_string_view<wchar_t> wstring_view; -#endif - -template<class _CharT, class _Traits> -class - _LIBCPP_PREFERRED_NAME(string_view) -#ifndef _LIBCPP_HAS_NO_CHAR8_T - _LIBCPP_PREFERRED_NAME(u8string_view) -#endif - _LIBCPP_PREFERRED_NAME(u16string_view) - _LIBCPP_PREFERRED_NAME(u32string_view) - _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstring_view)) - basic_string_view { -public: - // types - typedef _Traits traits_type; - typedef _CharT value_type; - typedef _CharT* pointer; - typedef const _CharT* const_pointer; - typedef _CharT& reference; - typedef const _CharT& const_reference; - typedef const_pointer const_iterator; // See [string.view.iterators] - typedef const_iterator iterator; - typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; - typedef const_reverse_iterator reverse_iterator; - typedef size_t size_type; - typedef ptrdiff_t difference_type; - static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); - - static_assert((!is_array<value_type>::value), "Character type of basic_string_view must not be an array"); - static_assert(( is_standard_layout<value_type>::value), "Character type of basic_string_view must be standard-layout"); - static_assert(( is_trivial<value_type>::value), "Character type of basic_string_view 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"); - - // [string.view.cons], construct/copy - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {} - - _LIBCPP_INLINE_VISIBILITY - basic_string_view(const basic_string_view&) _NOEXCEPT = default; - - _LIBCPP_INLINE_VISIBILITY - basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +#ifdef _LIBCPP_COMPILER_MSVC +#pragma warning ( push ) +#pragma warning ( disable : 4455 ) +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + +_LIBCPP_BEGIN_NAMESPACE_STD + +template<class _CharT, class _Traits = char_traits<_CharT> > + class _LIBCPP_TEMPLATE_VIS basic_string_view; + +typedef basic_string_view<char> string_view; +#ifndef _LIBCPP_HAS_NO_CHAR8_T +typedef basic_string_view<char8_t> u8string_view; +#endif +typedef basic_string_view<char16_t> u16string_view; +typedef basic_string_view<char32_t> u32string_view; +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +typedef basic_string_view<wchar_t> wstring_view; +#endif + +template<class _CharT, class _Traits> +class + _LIBCPP_PREFERRED_NAME(string_view) +#ifndef _LIBCPP_HAS_NO_CHAR8_T + _LIBCPP_PREFERRED_NAME(u8string_view) +#endif + _LIBCPP_PREFERRED_NAME(u16string_view) + _LIBCPP_PREFERRED_NAME(u32string_view) + _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstring_view)) + basic_string_view { +public: + // types + typedef _Traits traits_type; + typedef _CharT value_type; + typedef _CharT* pointer; + typedef const _CharT* const_pointer; + typedef _CharT& reference; + typedef const _CharT& const_reference; + typedef const_pointer const_iterator; // See [string.view.iterators] + typedef const_iterator iterator; + typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; + typedef const_reverse_iterator reverse_iterator; + typedef size_t size_type; + typedef ptrdiff_t difference_type; + static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); + + static_assert((!is_array<value_type>::value), "Character type of basic_string_view must not be an array"); + static_assert(( is_standard_layout<value_type>::value), "Character type of basic_string_view must be standard-layout"); + static_assert(( is_trivial<value_type>::value), "Character type of basic_string_view 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"); + + // [string.view.cons], construct/copy + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {} + + _LIBCPP_INLINE_VISIBILITY + basic_string_view(const basic_string_view&) _NOEXCEPT = default; + + _LIBCPP_INLINE_VISIBILITY + basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY basic_string_view(nullptr_t, size_t) = delete; _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - basic_string_view(const _CharT* __s, size_type __len) _NOEXCEPT - : __data(__s), __size(__len) - { -#if _LIBCPP_STD_VER > 11 - _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); -#endif - } - -#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) - template <contiguous_iterator _It, sized_sentinel_for<_It> _End> - requires (same_as<iter_value_t<_It>, _CharT> && !convertible_to<_End, size_type>) - constexpr _LIBCPP_HIDE_FROM_ABI basic_string_view(_It __begin, _End __end) - : __data(_VSTD::to_address(__begin)), __size(__end - __begin) - { - _LIBCPP_ASSERT((__end - __begin) >= 0, "std::string_view::string_view(iterator, sentinel) received invalid range"); - } -#endif - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view(const _CharT* __s, size_type __len) _NOEXCEPT + : __data(__s), __size(__len) + { +#if _LIBCPP_STD_VER > 11 + _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); +#endif + } + +#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) + template <contiguous_iterator _It, sized_sentinel_for<_It> _End> + requires (same_as<iter_value_t<_It>, _CharT> && !convertible_to<_End, size_type>) + constexpr _LIBCPP_HIDE_FROM_ABI basic_string_view(_It __begin, _End __end) + : __data(_VSTD::to_address(__begin)), __size(__end - __begin) + { + _LIBCPP_ASSERT((__end - __begin) >= 0, "std::string_view::string_view(iterator, sentinel) received invalid range"); + } +#endif + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view(nullptr_t) = delete; + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view(const _CharT* __s) + : __data(__s), __size(_VSTD::__char_traits_length_checked<_Traits>(__s)) {} + +#if _LIBCPP_STD_VER > 20 basic_string_view(nullptr_t) = delete; +#endif + + // [string.view.iterators], iterators + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_iterator begin() const _NOEXCEPT { return cbegin(); } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_iterator end() const _NOEXCEPT { return cend(); } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_iterator cbegin() const _NOEXCEPT { return __data; } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_iterator cend() const _NOEXCEPT { return __data + __size; } + + _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } + + _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } + + _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } + + _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } + + // [string.view.capacity], capacity + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + size_type size() const _NOEXCEPT { return __size; } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + size_type length() const _NOEXCEPT { return __size; } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max(); } + + _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR + bool empty() const _NOEXCEPT { return __size == 0; } + + // [string.view.access], element access + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_reference operator[](size_type __pos) const _NOEXCEPT { + return _LIBCPP_ASSERT(__pos < size(), "string_view[] index out of bounds"), __data[__pos]; + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_reference at(size_type __pos) const + { + return __pos >= size() + ? (__throw_out_of_range("string_view::at"), __data[0]) + : __data[__pos]; + } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - basic_string_view(const _CharT* __s) - : __data(__s), __size(_VSTD::__char_traits_length_checked<_Traits>(__s)) {} - -#if _LIBCPP_STD_VER > 20 - basic_string_view(nullptr_t) = delete; -#endif - - // [string.view.iterators], iterators - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_iterator begin() const _NOEXCEPT { return cbegin(); } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_iterator end() const _NOEXCEPT { return cend(); } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_iterator cbegin() const _NOEXCEPT { return __data; } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_iterator cend() const _NOEXCEPT { return __data + __size; } - - _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY - const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } - - _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY - const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } - - _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY - const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } - - _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY - const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } - - // [string.view.capacity], capacity - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - size_type size() const _NOEXCEPT { return __size; } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - size_type length() const _NOEXCEPT { return __size; } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max(); } - - _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - bool empty() const _NOEXCEPT { return __size == 0; } - - // [string.view.access], element access - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_reference operator[](size_type __pos) const _NOEXCEPT { - return _LIBCPP_ASSERT(__pos < size(), "string_view[] index out of bounds"), __data[__pos]; - } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_reference at(size_type __pos) const - { - return __pos >= size() - ? (__throw_out_of_range("string_view::at"), __data[0]) - : __data[__pos]; - } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_reference front() const _NOEXCEPT - { - return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; - } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_reference back() const _NOEXCEPT - { - return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1]; - } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - const_pointer data() const _NOEXCEPT { return __data; } - - // [string.view.modifiers], modifiers: - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - void remove_prefix(size_type __n) _NOEXCEPT - { - _LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); - __data += __n; - __size -= __n; - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - void remove_suffix(size_type __n) _NOEXCEPT - { - _LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); - __size -= __n; - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - void swap(basic_string_view& __other) _NOEXCEPT - { - const value_type *__p = __data; - __data = __other.__data; - __other.__data = __p; - - size_type __sz = __size; - __size = __other.__size; - __other.__size = __sz; - } - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 - size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const - { - if (__pos > size()) - __throw_out_of_range("string_view::copy"); + const_reference front() const _NOEXCEPT + { + return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_reference back() const _NOEXCEPT + { + return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1]; + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_pointer data() const _NOEXCEPT { return __data; } + + // [string.view.modifiers], modifiers: + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + void remove_prefix(size_type __n) _NOEXCEPT + { + _LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); + __data += __n; + __size -= __n; + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + void remove_suffix(size_type __n) _NOEXCEPT + { + _LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); + __size -= __n; + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + void swap(basic_string_view& __other) _NOEXCEPT + { + const value_type *__p = __data; + __data = __other.__data; + __other.__data = __p; + + size_type __sz = __size; + __size = __other.__size; + __other.__size = __sz; + } + + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 + size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const + { + if (__pos > size()) + __throw_out_of_range("string_view::copy"); size_type __rlen = _VSTD::min(__n, size() - __pos); - _Traits::copy(__s, data() + __pos, __rlen); - return __rlen; - } - - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - basic_string_view substr(size_type __pos = 0, size_type __n = npos) const - { - return __pos > size() - ? (__throw_out_of_range("string_view::substr"), basic_string_view()) - : basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT - { - size_type __rlen = _VSTD::min( size(), __sv.size()); - int __retval = _Traits::compare(data(), __sv.data(), __rlen); - if ( __retval == 0 ) // first __rlen chars matched - __retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 ); - return __retval; - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const - { - return substr(__pos1, __n1).compare(__sv); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - int compare( size_type __pos1, size_type __n1, - basic_string_view __sv, size_type __pos2, size_type __n2) const - { - return substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2)); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - int compare(const _CharT* __s) const _NOEXCEPT - { - return compare(basic_string_view(__s)); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - int compare(size_type __pos1, size_type __n1, const _CharT* __s) const - { - return substr(__pos1, __n1).compare(basic_string_view(__s)); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const - { - return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); - } - - // find - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); - return __str_find<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT - { - return __str_find<value_type, size_type, traits_type, npos> - (data(), size(), __c, __pos); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); - return __str_find<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find(const _CharT* __s, size_type __pos = 0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr"); - return __str_find<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, traits_type::length(__s)); - } - - // rfind - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); - return __str_rfind<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT - { - return __str_rfind<value_type, size_type, traits_type, npos> - (data(), size(), __c, __pos); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); - return __str_rfind<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type rfind(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr"); - return __str_rfind<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, traits_type::length(__s)); - } - - // find_first_of - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr"); - return __str_find_first_of<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT - { return find(__c, __pos); } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); - return __str_find_first_of<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_of(const _CharT* __s, size_type __pos=0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); - } - - // find_last_of - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr"); - return __str_find_last_of<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT - { return rfind(__c, __pos); } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); - return __str_find_last_of<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_of(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); - } - - // find_first_not_of - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr"); - return __str_find_first_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT - { - return __str_find_first_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __c, __pos); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); - return __str_find_first_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); - } - - // find_last_not_of - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr"); - return __str_find_last_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __s.data(), __pos, __s.size()); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT - { - return __str_find_last_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __c, __pos); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT - { - _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); - return __str_find_last_not_of<value_type, size_type, traits_type, npos> - (data(), size(), __s, __pos, __n); - } - - _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY - size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT - { - _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); - } - + _Traits::copy(__s, data() + __pos, __rlen); + return __rlen; + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view substr(size_type __pos = 0, size_type __n = npos) const + { + return __pos > size() + ? (__throw_out_of_range("string_view::substr"), basic_string_view()) + : basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT + { + size_type __rlen = _VSTD::min( size(), __sv.size()); + int __retval = _Traits::compare(data(), __sv.data(), __rlen); + if ( __retval == 0 ) // first __rlen chars matched + __retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 ); + return __retval; + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const + { + return substr(__pos1, __n1).compare(__sv); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + int compare( size_type __pos1, size_type __n1, + basic_string_view __sv, size_type __pos2, size_type __n2) const + { + return substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2)); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + int compare(const _CharT* __s) const _NOEXCEPT + { + return compare(basic_string_view(__s)); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + int compare(size_type __pos1, size_type __n1, const _CharT* __s) const + { + return substr(__pos1, __n1).compare(basic_string_view(__s)); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const + { + return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); + } + + // find + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT + { + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find(const _CharT* __s, size_type __pos = 0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr"); + return __str_find<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); + } + + // rfind + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT + { + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type rfind(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr"); + return __str_rfind<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); + } + + // find_first_of + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr"); + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT + { return find(__c, __pos); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); + return __str_find_first_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_of(const _CharT* __s, size_type __pos=0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); + } + + // find_last_of + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr"); + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT + { return rfind(__c, __pos); } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); + return __str_find_last_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_of(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); + } + + // find_first_not_of + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr"); + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT + { + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); + return __str_find_first_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); + } + + // find_last_not_of + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr"); + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s.data(), __pos, __s.size()); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT + { + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __c, __pos); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const _NOEXCEPT + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); + return __str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, __n); + } + + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const _NOEXCEPT + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::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)); + } + //WARN: disabled std guards in order to allow using these options without switching to new std //#if _LIBCPP_STD_VER > 17 - constexpr _LIBCPP_INLINE_VISIBILITY - bool starts_with(basic_string_view __s) const noexcept - { return size() >= __s.size() && compare(0, __s.size(), __s) == 0; } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool starts_with(value_type __c) const noexcept - { return !empty() && _Traits::eq(front(), __c); } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool starts_with(const value_type* __s) const noexcept - { return starts_with(basic_string_view(__s)); } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool ends_with(basic_string_view __s) const noexcept - { return size() >= __s.size() && compare(size() - __s.size(), npos, __s) == 0; } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool ends_with(value_type __c) const noexcept - { return !empty() && _Traits::eq(back(), __c); } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool ends_with(const value_type* __s) const noexcept - { return ends_with(basic_string_view(__s)); } + constexpr _LIBCPP_INLINE_VISIBILITY + bool starts_with(basic_string_view __s) const noexcept + { return size() >= __s.size() && compare(0, __s.size(), __s) == 0; } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool starts_with(value_type __c) const noexcept + { return !empty() && _Traits::eq(front(), __c); } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool starts_with(const value_type* __s) const noexcept + { return starts_with(basic_string_view(__s)); } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool ends_with(basic_string_view __s) const noexcept + { return size() >= __s.size() && compare(size() - __s.size(), npos, __s) == 0; } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool ends_with(value_type __c) const noexcept + { return !empty() && _Traits::eq(back(), __c); } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool ends_with(const value_type* __s) const noexcept + { return ends_with(basic_string_view(__s)); } //#endif - -#if _LIBCPP_STD_VER > 20 - constexpr _LIBCPP_INLINE_VISIBILITY - bool contains(basic_string_view __sv) const noexcept - { return find(__sv) != npos; } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool contains(value_type __c) const noexcept - { return find(__c) != npos; } - - constexpr _LIBCPP_INLINE_VISIBILITY - bool contains(const value_type* __s) const - { return find(__s) != npos; } -#endif - -private: - const value_type* __data; - size_type __size; -}; - -#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) -template <class _CharT, class _Traits> -inline constexpr bool ranges::enable_view<basic_string_view<_CharT, _Traits>> = true; - -template <class _CharT, class _Traits> -inline constexpr bool ranges::enable_borrowed_range<basic_string_view<_CharT, _Traits> > = true; -#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) - -// [string.view.deduct] - -#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) -template <contiguous_iterator _It, sized_sentinel_for<_It> _End> - basic_string_view(_It, _End) -> basic_string_view<iter_value_t<_It>>; -#endif - -// [string.view.comparison] -// operator == -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator==(basic_string_view<_CharT, _Traits> __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) return false; - return __lhs.compare(__rhs) == 0; -} - -// Workaround for the bug in MSVC and clang on windows. Looks like MSVC generates the same -// mangled name for this function as for the previous function. So we introduce -// artificial difference to avoid that. -#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG)) -template<class _CharT, class _Traits, int = 1> -#else + +#if _LIBCPP_STD_VER > 20 + constexpr _LIBCPP_INLINE_VISIBILITY + bool contains(basic_string_view __sv) const noexcept + { return find(__sv) != npos; } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool contains(value_type __c) const noexcept + { return find(__c) != npos; } + + constexpr _LIBCPP_INLINE_VISIBILITY + bool contains(const value_type* __s) const + { return find(__s) != npos; } +#endif + +private: + const value_type* __data; + size_type __size; +}; + +#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) +template <class _CharT, class _Traits> +inline constexpr bool ranges::enable_view<basic_string_view<_CharT, _Traits>> = true; + +template <class _CharT, class _Traits> +inline constexpr bool ranges::enable_borrowed_range<basic_string_view<_CharT, _Traits> > = true; +#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) + +// [string.view.deduct] + +#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) +template <contiguous_iterator _It, sized_sentinel_for<_It> _End> + basic_string_view(_It, _End) -> basic_string_view<iter_value_t<_It>>; +#endif + +// [string.view.comparison] +// operator == template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator==(basic_string_view<_CharT, _Traits> __lhs, +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator==(basic_string_view<_CharT, _Traits> __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + if ( __lhs.size() != __rhs.size()) return false; + return __lhs.compare(__rhs) == 0; +} + +// Workaround for the bug in MSVC and clang on windows. Looks like MSVC generates the same +// mangled name for this function as for the previous function. So we introduce +// artificial difference to avoid that. +#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG)) +template<class _CharT, class _Traits, int = 1> +#else +template<class _CharT, class _Traits> +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator==(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) return false; - return __lhs.compare(__rhs) == 0; -} - -#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG)) -template<class _CharT, class _Traits, int = 2> -#else +{ + if ( __lhs.size() != __rhs.size()) return false; + return __lhs.compare(__rhs) == 0; +} + +#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG)) +template<class _CharT, class _Traits, int = 2> +#else +template<class _CharT, class _Traits> +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator==(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + if ( __lhs.size() != __rhs.size()) return false; + return __lhs.compare(__rhs) == 0; +} + + +// operator != template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator==(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) return false; - return __lhs.compare(__rhs) == 0; -} - - -// operator != -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) - return true; - return __lhs.compare(__rhs) != 0; -} - - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 1> -#else +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + if ( __lhs.size() != __rhs.size()) + return true; + return __lhs.compare(__rhs) != 0; +} + + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 1> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator!=(basic_string_view<_CharT, _Traits> __lhs, +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator!=(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) - return true; - return __lhs.compare(__rhs) != 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 2> -#else +{ + if ( __lhs.size() != __rhs.size()) + return true; + return __lhs.compare(__rhs) != 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 2> +#else +template<class _CharT, class _Traits> +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator!=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + if ( __lhs.size() != __rhs.size()) + return true; + return __lhs.compare(__rhs) != 0; +} + + +// operator < template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator!=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - if ( __lhs.size() != __rhs.size()) - return true; - return __lhs.compare(__rhs) != 0; -} - - -// operator < -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) < 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 1> -#else +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) < 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 1> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<(basic_string_view<_CharT, _Traits> __lhs, +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) < 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 2> -#else +{ + return __lhs.compare(__rhs) < 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 2> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) < 0; -} - - -// operator > -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) > 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 1> -#else +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) < 0; +} + + +// operator > +template<class _CharT, class _Traits> +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) > 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 1> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator>(basic_string_view<_CharT, _Traits> __lhs, +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator>(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) > 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 2> -#else +{ + return __lhs.compare(__rhs) > 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 2> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator>(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) > 0; -} - - -// operator <= -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) <= 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 1> -#else +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator>(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) > 0; +} + + +// operator <= template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<=(basic_string_view<_CharT, _Traits> __lhs, +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) <= 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 1> +#else +template<class _CharT, class _Traits> +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<=(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) <= 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 2> -#else +{ + return __lhs.compare(__rhs) <= 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 2> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator<=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) <= 0; -} - - -// operator >= -template<class _CharT, class _Traits> -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) >= 0; -} - - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 1> -#else +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator<=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) <= 0; +} + + +// operator >= +template<class _CharT, class _Traits> +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) >= 0; +} + + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 1> +#else template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator>=(basic_string_view<_CharT, _Traits> __lhs, +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator>=(basic_string_view<_CharT, _Traits> __lhs, typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) >= 0; -} - -#ifdef _LIBCPP_COMPILER_MSVC -template<class _CharT, class _Traits, int = 2> -#else +{ + return __lhs.compare(__rhs) >= 0; +} + +#ifdef _LIBCPP_COMPILER_MSVC +template<class _CharT, class _Traits, int = 2> +#else +template<class _CharT, class _Traits> +#endif +_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +bool operator>=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT +{ + return __lhs.compare(__rhs) >= 0; +} + + template<class _CharT, class _Traits> -#endif -_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY -bool operator>=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, - basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT -{ - return __lhs.compare(__rhs) >= 0; -} - - -template<class _CharT, class _Traits> -basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - basic_string_view<_CharT, _Traits> __str); - -// [string.view.hash] -template<class _CharT> -struct _LIBCPP_TEMPLATE_VIS hash<basic_string_view<_CharT, char_traits<_CharT> > > - : public unary_function<basic_string_view<_CharT, char_traits<_CharT> >, size_t> -{ +basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, + basic_string_view<_CharT, _Traits> __str); + +// [string.view.hash] +template<class _CharT> +struct _LIBCPP_TEMPLATE_VIS hash<basic_string_view<_CharT, char_traits<_CharT> > > + : public unary_function<basic_string_view<_CharT, char_traits<_CharT> >, size_t> +{ _LIBCPP_INLINE_VISIBILITY - size_t operator()(const basic_string_view<_CharT, char_traits<_CharT> > __val) const _NOEXCEPT { + size_t operator()(const basic_string_view<_CharT, char_traits<_CharT> > __val) const _NOEXCEPT { return __do_string_hash(__val.data(), __val.data() + __val.size()); } -}; - - -#if _LIBCPP_STD_VER > 11 -inline namespace literals -{ - inline namespace string_view_literals - { - inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - basic_string_view<char> operator "" sv(const char *__str, size_t __len) _NOEXCEPT - { - return basic_string_view<char> (__str, __len); - } - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS - inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - basic_string_view<wchar_t> operator "" sv(const wchar_t *__str, size_t __len) _NOEXCEPT - { - return basic_string_view<wchar_t> (__str, __len); - } -#endif - -#ifndef _LIBCPP_HAS_NO_CHAR8_T - inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR +}; + + +#if _LIBCPP_STD_VER > 11 +inline namespace literals +{ + inline namespace string_view_literals + { + inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR + basic_string_view<char> operator "" sv(const char *__str, size_t __len) _NOEXCEPT + { + return basic_string_view<char> (__str, __len); + } + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS + inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR + basic_string_view<wchar_t> operator "" sv(const wchar_t *__str, size_t __len) _NOEXCEPT + { + return basic_string_view<wchar_t> (__str, __len); + } +#endif + +#ifndef _LIBCPP_HAS_NO_CHAR8_T + inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR basic_string_view<char8_t> operator "" sv(const char8_t *__str, size_t __len) _NOEXCEPT { return basic_string_view<char8_t> (__str, __len); @@ -968,25 +968,25 @@ inline namespace literals #endif inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - basic_string_view<char16_t> operator "" sv(const char16_t *__str, size_t __len) _NOEXCEPT - { - return basic_string_view<char16_t> (__str, __len); - } - - inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - basic_string_view<char32_t> operator "" sv(const char32_t *__str, size_t __len) _NOEXCEPT - { - return basic_string_view<char32_t> (__str, __len); - } - } -} -#endif -_LIBCPP_END_NAMESPACE_STD - -#ifdef _LIBCPP_COMPILER_MSVC -#pragma warning ( pop ) -#endif - -_LIBCPP_POP_MACROS - -#endif // _LIBCPP_STRING_VIEW + basic_string_view<char16_t> operator "" sv(const char16_t *__str, size_t __len) _NOEXCEPT + { + return basic_string_view<char16_t> (__str, __len); + } + + inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR + basic_string_view<char32_t> operator "" sv(const char32_t *__str, size_t __len) _NOEXCEPT + { + return basic_string_view<char32_t> (__str, __len); + } + } +} +#endif +_LIBCPP_END_NAMESPACE_STD + +#ifdef _LIBCPP_COMPILER_MSVC +#pragma warning ( pop ) +#endif + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_STRING_VIEW |