diff options
Diffstat (limited to 'data/iphoneos-sdk/v1/experimental/string_view')
| -rwxr-xr-x | data/iphoneos-sdk/v1/experimental/string_view | 818 |
1 files changed, 818 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/experimental/string_view b/data/iphoneos-sdk/v1/experimental/string_view new file mode 100755 index 000000000..da104f9a1 --- /dev/null +++ b/data/iphoneos-sdk/v1/experimental/string_view @@ -0,0 +1,818 @@ +// -*- C++ -*- +//===------------------------ string_view ---------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_LFTS_STRING_VIEW +#define _LIBCPP_LFTS_STRING_VIEW + +/* +string_view synopsis + +namespace std { + namespace experimental { + inline namespace library_fundamentals_v1 { + + // 7.2, Class template basic_string_view + template<class charT, class traits = char_traits<charT>> + class basic_string_view; + + // 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<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> + basic_string_view(const basic_string<charT, traits, Allocator>& str) noexcept; + constexpr basic_string_view(const charT* str); + constexpr basic_string_view(const charT* str, size_type len); + + // 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 clear() noexcept; + constexpr void remove_prefix(size_type n); + constexpr void remove_suffix(size_type n); + constexpr void swap(basic_string_view& s) noexcept; + + // 7.8, basic_string_view string operations + template<class Allocator> + explicit operator basic_string<charT, traits, Allocator>() const; + template<class Allocator = allocator<charT>> + basic_string<charT, traits, Allocator> to_string( + const Allocator& a = Allocator()) const; + + size_type copy(charT* s, size_type n, size_type pos = 0) const; + + 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; + constexpr size_type find(const charT* s, size_type pos = 0) const; + 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; + constexpr size_type rfind(const charT* s, size_type pos = npos) const; + 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; + constexpr size_type find_first_of(const charT* s, size_type pos = 0) const; + 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; + constexpr size_type find_last_of(const charT* s, size_type pos = npos) const; + 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; + constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const; + 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; + constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const; + + private: + const_pointer data_; // exposition only + size_type size_; // exposition only + }; + + } // namespace fundamentals_v1 + } // namespace experimental + + // 7.11, Hash support + template <class T> struct hash; + template <> struct hash<experimental::string_view>; + template <> struct hash<experimental::u16string_view>; + template <> struct hash<experimental::u32string_view>; + template <> struct hash<experimental::wstring_view>; + +} // namespace std + + +*/ + +#include <experimental/__config> + +#include <string> +#include <algorithm> +#include <iterator> +#include <ostream> +#include <stdexcept> +#include <iomanip> + +#include <__debug> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_LFTS + + template<class _CharT, class _Traits = _VSTD::char_traits<_CharT> > + class _LIBCPP_TEMPLATE_VIS basic_string_view { + public: + // types + typedef _Traits traits_type; + typedef _CharT value_type; + typedef const _CharT* pointer; + typedef const _CharT* const_pointer; + typedef const _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); + + // [string.view.cons], construct/copy + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {} + + _LIBCPP_CONSTEXPR _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; + + template<class _Allocator> + _LIBCPP_INLINE_VISIBILITY + basic_string_view(const basic_string<_CharT, _Traits, _Allocator>& __str) _NOEXCEPT + : __data (__str.data()), __size(__str.size()) {} + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view(const _CharT* __s, size_type __len) + : __data(__s), __size(__len) + { +// _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + basic_string_view(const _CharT* __s) + : __data(__s), __size(_Traits::length(__s)) {} + + // [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_INLINE_VISIBILITY + const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } + + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } + + _LIBCPP_INLINE_VISIBILITY + const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } + + _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 _VSTD::numeric_limits<size_type>::max(); } + + _LIBCPP_CONSTEXPR bool _LIBCPP_INLINE_VISIBILITY + empty() const _NOEXCEPT { return __size == 0; } + + // [string.view.access], element access + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_reference operator[](size_type __pos) const { return __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 + { + return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; + } + + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + const_reference back() const + { + 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 clear() _NOEXCEPT + { + __data = nullptr; + __size = 0; + } + + _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; +// _VSTD::swap( __data, __other.__data ); +// _VSTD::swap( __size, __other.__size ); + } + + // [string.view.ops], string operations: + template<class _Allocator> + _LIBCPP_INLINE_VISIBILITY + _LIBCPP_EXPLICIT operator basic_string<_CharT, _Traits, _Allocator>() const + { return basic_string<_CharT, _Traits, _Allocator>( begin(), end()); } + + template<class _Allocator = allocator<_CharT> > + _LIBCPP_INLINE_VISIBILITY + basic_string<_CharT, _Traits, _Allocator> + to_string( const _Allocator& __a = _Allocator()) const + { return basic_string<_CharT, _Traits, _Allocator> ( begin(), end(), __a ); } + + 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 ); + _VSTD::copy_n(begin() + __pos, __rlen, __s ); + return __rlen; + } + + _LIBCPP_CONSTEXPR + basic_string_view substr(size_type __pos = 0, size_type __n = npos) const + { +// if (__pos > size()) +// __throw_out_of_range("string_view::substr"); +// size_type __rlen = _VSTD::min( __n, size() - __pos ); +// return basic_string_view(data() + __pos, __rlen); + 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 + { + 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 _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr"); + return _VSTD::__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 _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr"); + return _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr"); + return _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr"); + return _VSTD::__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 _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr"); + return _VSTD::__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 _VSTD::__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 _VSTD::__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 + { + _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); + return _VSTD::__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 + { + _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr"); + return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos> + (data(), size(), __s, __pos, traits_type::length(__s)); + } + + private: + const value_type* __data; + size_type __size; + }; + + + // [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; + } + + template<class _CharT, class _Traits> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator==(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator==(typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator!=(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator!=(typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator<(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT + { + return __lhs.compare(__rhs) < 0; + } + + template<class _CharT, class _Traits> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator<(typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator>(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT + { + return __lhs.compare(__rhs) > 0; + } + + template<class _CharT, class _Traits> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator>(typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator<=(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT + { + return __lhs.compare(__rhs) <= 0; + } + + template<class _CharT, class _Traits> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator<=(typename _VSTD::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> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator>=(basic_string_view<_CharT, _Traits> __lhs, + typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT + { + return __lhs.compare(__rhs) >= 0; + } + + template<class _CharT, class _Traits> + _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY + bool operator>=(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, + basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT + { + return __lhs.compare(__rhs) >= 0; + } + + + // [string.view.io] + template<class _CharT, class _Traits> + basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __sv) + { + return _VSTD::__put_character_sequence(__os, __sv.data(), __sv.size()); + } + + typedef basic_string_view<char> string_view; + typedef basic_string_view<char16_t> u16string_view; + typedef basic_string_view<char32_t> u32string_view; + typedef basic_string_view<wchar_t> wstring_view; + +_LIBCPP_END_NAMESPACE_LFTS +_LIBCPP_BEGIN_NAMESPACE_STD + +// [string.view.hash] +// Shamelessly stolen from <string> +template<class _CharT, class _Traits> +struct _LIBCPP_TEMPLATE_VIS hash<std::experimental::basic_string_view<_CharT, _Traits> > + : public unary_function<std::experimental::basic_string_view<_CharT, _Traits>, size_t> +{ + size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT; +}; + +template<class _CharT, class _Traits> +size_t +hash<std::experimental::basic_string_view<_CharT, _Traits> >::operator()( + const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT +{ + return __do_string_hash(__val.data(), __val.data() + __val.size()); +} + +#if _LIBCPP_STD_VER > 11 +template <class _CharT, class _Traits> +__quoted_output_proxy<_CharT, const _CharT *, _Traits> +quoted ( std::experimental::basic_string_view <_CharT, _Traits> __sv, + _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\')) +{ + return __quoted_output_proxy<_CharT, const _CharT *, _Traits> + ( __sv.data(), __sv.data() + __sv.size(), __delim, __escape ); +} +#endif + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_LFTS_STRING_VIEW |