diff options
Diffstat (limited to 'thirdparty/ue-libcxx/include/c++/v1/string_view')
| -rw-r--r-- | thirdparty/ue-libcxx/include/c++/v1/string_view | 976 |
1 files changed, 0 insertions, 976 deletions
diff --git a/thirdparty/ue-libcxx/include/c++/v1/string_view b/thirdparty/ue-libcxx/include/c++/v1/string_view deleted file mode 100644 index a84ed5019..000000000 --- a/thirdparty/ue-libcxx/include/c++/v1/string_view +++ /dev/null @@ -1,976 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_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 - template <class Range> - constexpr basic_string_view(Range&& r); // C++23 - - // 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 - template<class Range> - basic_string_view(Range&&) -> basic_string_view<ranges::range_value_t<Range>>; // C++23 - - // 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 <__algorithm/min.h> -#include <__assert> // all public C++ headers provide the assertion handler -#include <__config> -#include <__functional/hash.h> -#include <__functional/unary_function.h> -#include <__fwd/string_view.h> -#include <__iterator/concepts.h> -#include <__iterator/readable_traits.h> -#include <__iterator/reverse_iterator.h> -#include <__memory/pointer_traits.h> -#include <__ranges/concepts.h> -#include <__ranges/data.h> -#include <__ranges/enable_borrowed_range.h> -#include <__ranges/enable_view.h> -#include <__ranges/size.h> -#include <__string/char_traits.h> -#include <iosfwd> -#include <limits> -#include <stdexcept> -#include <type_traits> -#include <version> - -#ifndef _LIBCPP_REMOVE_TRANSITIVE_INCLUDES -# include <algorithm> -# include <functional> -# include <iterator> -#endif - -// standard-mandated includes - -// [iterator.range] -#include <__iterator/access.h> -#include <__iterator/data.h> -#include <__iterator/empty.h> -#include <__iterator/reverse_access.h> -#include <__iterator/size.h> - -// [string.view.synop] -#include <compare> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -#endif - -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - - -_LIBCPP_BEGIN_NAMESPACE_STD - -// TODO: This is a workaround for some vendors to carry a downstream diff to accept `nullptr` in -// string_view constructors. This can be refactored when this exact form isn't needed anymore. -template <class _Traits> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR -inline size_t __char_traits_length_checked(const typename _Traits::char_type* __s) _NOEXCEPT { - // This needs to be a single statement for C++11 constexpr - return _LIBCPP_ASSERT(__s != nullptr, "null pointer passed to non-null argument of char_traits<...>::length"), _Traits::length(__s); -} - -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(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 - template <contiguous_iterator _It, sized_sentinel_for<_It> _End> - requires (is_same_v<iter_value_t<_It>, _CharT> && !is_convertible_v<_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_STD_VER > 17 - -#if _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) - template <class _Range> - requires ( - !is_same_v<remove_cvref_t<_Range>, basic_string_view> && - ranges::contiguous_range<_Range> && - ranges::sized_range<_Range> && - is_same_v<ranges::range_value_t<_Range>, _CharT> && - !is_convertible_v<_Range, const _CharT*> && - (!requires(remove_cvref_t<_Range>& __d) { - __d.operator _VSTD::basic_string_view<_CharT, _Traits>(); - }) && - (!requires { - typename remove_reference_t<_Range>::traits_type; - } || is_same_v<typename remove_reference_t<_Range>::traits_type, _Traits>) - ) - constexpr _LIBCPP_HIDE_FROM_ABI - basic_string_view(_Range&& __r) : __data(ranges::data(__r)), __size(ranges::size(__r)) {} -#endif // _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) - - _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() / sizeof(value_type); } - - _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"); - 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)); - } - -#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)); } -#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 -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 - -// [string.view.deduct] - -#if _LIBCPP_STD_VER > 17 -template <contiguous_iterator _It, sized_sentinel_for<_It> _End> - basic_string_view(_It, _End) -> basic_string_view<iter_value_t<_It>>; -#endif // _LIBCPP_STD_VER > 17 - - -#if _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) -template <ranges::contiguous_range _Range> - basic_string_view(_Range) -> basic_string_view<ranges::range_value_t<_Range>>; -#endif // _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) - -// [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; -} - -// The dummy default template parameters are used to work around a MSVC issue with mangling, see VSO-409326 for details. -// This applies to the other sufficient overloads below for the other comparison operators. -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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; -} - -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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; -} - -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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; -} - -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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; -} - -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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; -} - - -template<class _CharT, class _Traits, int = 1> -_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; -} - -template<class _CharT, class _Traits, int = 2> -_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> -{ - _LIBCPP_INLINE_VISIBILITY - 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 - basic_string_view<char8_t> operator "" sv(const char8_t *__str, size_t __len) _NOEXCEPT - { - return basic_string_view<char8_t> (__str, __len); - } -#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); - } - } // namespace string_view_literals -} // namespace literals -#endif -_LIBCPP_END_NAMESPACE_STD - -_LIBCPP_POP_MACROS - -#endif // _LIBCPP_STRING_VIEW |