| // -*- 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> | |
| #include <__debug> | |
| #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[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(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 |