| // -*- 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 <iomanip> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_LFTS |
| |
| template<class _CharT, class _Traits = _VSTD::char_traits<_CharT> > |
| class _LIBCPP_TYPE_VIS_ONLY 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): recieved 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[__pos]; |
| // if (__pos >= size()) |
| // throw out_of_range("string_view::at"); |
| // return __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 |
| { |
| if (__n > __size) |
| __n = __size; |
| __data += __n; |
| __size -= __n; |
| } |
| |
| _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| void remove_suffix(size_type __n) _NOEXCEPT |
| { |
| if (__n > __size) |
| __n = __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()) |
| { 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(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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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(): recieved 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_TYPE_VIS_ONLY 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 |
| |
| #endif // _LIBCPP_LFTS_STRING_VIEW |
