head 1.2; access; symbols perseant-exfatfs-base-20250801:1.2 perseant-exfatfs-base-20240630:1.2 perseant-exfatfs:1.2.0.4 perseant-exfatfs-base:1.2 netbsd-8-3-RELEASE:1.1.1.2 netbsd-9-4-RELEASE:1.1.1.2 netbsd-9-3-RELEASE:1.1.1.2 cjep_sun2x:1.2.0.2 cjep_sun2x-base:1.2 cjep_staticlib_x-base1:1.2 netbsd-9-2-RELEASE:1.1.1.2 cjep_staticlib_x:1.1.1.2.0.22 cjep_staticlib_x-base:1.1.1.2 netbsd-9-1-RELEASE:1.1.1.2 phil-wifi-20200421:1.1.1.2 phil-wifi-20200411:1.1.1.2 is-mlppp:1.1.1.2.0.20 is-mlppp-base:1.1.1.2 phil-wifi-20200406:1.1.1.2 netbsd-8-2-RELEASE:1.1.1.2 netbsd-9-0-RELEASE:1.1.1.2 netbsd-9-0-RC2:1.1.1.2 netbsd-9-0-RC1:1.1.1.2 phil-wifi-20191119:1.1.1.2 netbsd-9:1.1.1.2.0.18 netbsd-9-base:1.1.1.2 phil-wifi-20190609:1.1.1.2 netbsd-8-1-RELEASE:1.1.1.2 netbsd-8-1-RC1:1.1.1.2 pgoyette-compat-merge-20190127:1.1.1.2 pgoyette-compat-20190127:1.1.1.2 pgoyette-compat-20190118:1.1.1.2 pgoyette-compat-1226:1.1.1.2 pgoyette-compat-1126:1.1.1.2 pgoyette-compat-1020:1.1.1.2 pgoyette-compat-0930:1.1.1.2 pgoyette-compat-0906:1.1.1.2 netbsd-7-2-RELEASE:1.1.1.1 pgoyette-compat-0728:1.1.1.2 netbsd-8-0-RELEASE:1.1.1.2 phil-wifi:1.1.1.2.0.16 phil-wifi-base:1.1.1.2 pgoyette-compat-0625:1.1.1.2 netbsd-8-0-RC2:1.1.1.2 pgoyette-compat-0521:1.1.1.2 pgoyette-compat-0502:1.1.1.2 pgoyette-compat-0422:1.1.1.2 netbsd-8-0-RC1:1.1.1.2 pgoyette-compat-0415:1.1.1.2 pgoyette-compat-0407:1.1.1.2 pgoyette-compat-0330:1.1.1.2 pgoyette-compat-0322:1.1.1.2 pgoyette-compat-0315:1.1.1.2 netbsd-7-1-2-RELEASE:1.1.1.1 pgoyette-compat:1.1.1.2.0.14 pgoyette-compat-base:1.1.1.2 netbsd-7-1-1-RELEASE:1.1.1.1 matt-nb8-mediatek:1.1.1.2.0.12 matt-nb8-mediatek-base:1.1.1.2 perseant-stdc-iso10646:1.1.1.2.0.10 perseant-stdc-iso10646-base:1.1.1.2 netbsd-8:1.1.1.2.0.8 netbsd-8-base:1.1.1.2 prg-localcount2-base3:1.1.1.2 prg-localcount2-base2:1.1.1.2 prg-localcount2-base1:1.1.1.2 prg-localcount2:1.1.1.2.0.6 prg-localcount2-base:1.1.1.2 pgoyette-localcount-20170426:1.1.1.2 bouyer-socketcan-base1:1.1.1.2 pgoyette-localcount-20170320:1.1.1.2 netbsd-7-1:1.1.1.1.0.10 netbsd-7-1-RELEASE:1.1.1.1 netbsd-7-1-RC2:1.1.1.1 netbsd-7-nhusb-base-20170116:1.1.1.1 bouyer-socketcan:1.1.1.2.0.4 bouyer-socketcan-base:1.1.1.2 pgoyette-localcount-20170107:1.1.1.2 netbsd-7-1-RC1:1.1.1.1 pgoyette-localcount-20161104:1.1.1.2 netbsd-7-0-2-RELEASE:1.1.1.1 localcount-20160914:1.1.1.2 netbsd-7-nhusb:1.1.1.1.0.8 netbsd-7-nhusb-base:1.1.1.1 pgoyette-localcount-20160806:1.1.1.2 pgoyette-localcount-20160726:1.1.1.2 pgoyette-localcount:1.1.1.2.0.2 pgoyette-localcount-base:1.1.1.2 netbsd-7-0-1-RELEASE:1.1.1.1 netbsd-7-0:1.1.1.1.0.6 netbsd-7-0-RELEASE:1.1.1.1 libcxx-245547:1.1.1.2 netbsd-7-0-RC3:1.1.1.1 netbsd-7-0-RC2:1.1.1.1 netbsd-7-0-RC1:1.1.1.1 tls-maxphys-base:1.1.1.1 tls-maxphys:1.1.1.1.0.4 netbsd-7:1.1.1.1.0.2 netbsd-7-base:1.1.1.1 libcxx-215289:1.1.1.1 LLVM:1.1.1; locks; strict; comment @# @; 1.2 date 2021.05.30.03.26.34; author joerg; state dead; branches; next 1.1; commitid Z2BWNc6JrDmRz7VC; 1.1 date 2014.08.09.19.03.43; author joerg; state Exp; branches 1.1.1.1; next ; commitid tcPf3DW6rhsCFILx; 1.1.1.1 date 2014.08.09.19.03.43; author joerg; state Exp; branches 1.1.1.1.4.1; next 1.1.1.2; commitid tcPf3DW6rhsCFILx; 1.1.1.2 date 2015.08.20.09.31.49; author joerg; state Exp; branches 1.1.1.2.22.1; next ; commitid ejnZ8WhR0kK5qZxy; 1.1.1.1.4.1 date 2014.08.09.19.03.43; author tls; state dead; branches; next 1.1.1.1.4.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.1.4.2 date 2014.08.19.23.46.51; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.22.1 date 2021.05.31.22.10.15; author cjep; state dead; branches; next ; commitid eWz9SBW0XqKjJlVC; desc @@ 1.2 log @Remove old version of libc++, migrated to external/apache2/dist/libcxx to match the rest of the mono-repo imports. @ text @// -*- 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 basic_string_view; // 7.9, basic_string_view non-member comparison functions template constexpr bool operator==(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator!=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator< (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator> (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator<=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator>=(basic_string_view x, basic_string_view y) noexcept; // see below, sufficient additional overloads of comparison functions // 7.10, Inserters and extractors template basic_ostream& operator<<(basic_ostream& os, basic_string_view str); // basic_string_view typedef names typedef basic_string_view string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; template> 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_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 basic_string_view(const basic_string& 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 explicit operator basic_string() const; template> basic_string 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 struct hash; template <> struct hash; template <> struct hash; template <> struct hash; template <> struct hash; } // namespace std */ #include #include #include #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_LFTS template > 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_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 _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::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 _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator basic_string<_CharT, _Traits, _Allocator>() const { return basic_string<_CharT, _Traits, _Allocator>( begin(), end()); } template > _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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (data(), size(), __s, __pos, traits_type::length(__s)); } private: const value_type* __data; size_type __size; }; // [string.view.comparison] // operator == template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } // operator != template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } // operator < template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } // operator > template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } // operator <= template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } // operator >= template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } // [string.view.io] template 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 string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; _LIBCPP_END_NAMESPACE_LFTS _LIBCPP_BEGIN_NAMESPACE_STD // [string.view.hash] // Shamelessly stolen from template struct _LIBCPP_TYPE_VIS_ONLY hash > : public unary_function, size_t> { size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT; }; template size_t hash >::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 __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 @ 1.1 log @Initial revision @ text @@ 1.1.1.1 log @Import libc++ r215289. This brings a number of bug fixes as well as further changes from the upcoming C++14 like string_view. @ text @@ 1.1.1.2 log @Import libc++ r245547. Various bugfixes, improvements to the C++14 support and some experimental features from the library standard track. @ text @a184 2 #include <__debug> d190 1 a190 1 d215 1 a215 1 d230 1 a230 1 d238 1 a238 1 d241 1 a241 1 d244 1 a244 1 d250 1 a250 1 d253 1 a253 1 d256 1 a256 1 d263 1 a263 1 d266 1 a266 1 d269 1 a269 1 d276 1 a276 1 d281 1 a281 1 ? (throw out_of_range("string_view::at"), __data[0]) d283 3 d293 1 a293 1 d310 1 a310 1 d314 2 a315 1 _LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); d319 1 a319 1 d323 2 a324 1 _LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); d334 1 a334 1 d341 1 a341 1 d347 1 a347 1 d350 1 a350 2 basic_string<_CharT, _Traits, _Allocator> to_string( const _Allocator& __a = _Allocator()) const d361 1 a361 1 d369 3 a371 3 return __pos > size() ? throw out_of_range("string_view::substr") : basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); d382 1 a382 1 d395 1 a395 1 d401 1 a401 1 d407 1 a407 1 d422 1 a422 1 d429 1 a429 1 d437 1 a437 1 d454 1 a454 1 d486 1 a486 1 d490 1 a490 1 d498 1 a498 1 d515 1 a515 1 d519 1 a519 1 d544 1 a544 1 d567 1 a567 1 d575 2 a576 2 } d583 1 a583 1 d600 1 a600 1 private: d645 1 a645 1 @ 1.1.1.2.22.1 log @sync with head @ text @@ 1.1.1.1.4.1 log @file string_view was added on branch tls-maxphys on 2014-08-19 23:46:51 +0000 @ text @d1 814 @ 1.1.1.1.4.2 log @Rebase to HEAD as of a few days ago. @ text @a0 814 // -*- 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 basic_string_view; // 7.9, basic_string_view non-member comparison functions template constexpr bool operator==(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator!=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator< (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator> (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator<=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator>=(basic_string_view x, basic_string_view y) noexcept; // see below, sufficient additional overloads of comparison functions // 7.10, Inserters and extractors template basic_ostream& operator<<(basic_ostream& os, basic_string_view str); // basic_string_view typedef names typedef basic_string_view string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; template> 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_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 basic_string_view(const basic_string& 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 explicit operator basic_string() const; template> basic_string 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 struct hash; template <> struct hash; template <> struct hash; template <> struct hash; template <> struct hash; } // namespace std */ #include #include #include #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_LFTS template > 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_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 _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::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 _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator basic_string<_CharT, _Traits, _Allocator>() const { return basic_string<_CharT, _Traits, _Allocator>( begin(), end()); } template > _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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (data(), size(), __s, __pos, traits_type::length(__s)); } private: const value_type* __data; size_type __size; }; // [string.view.comparison] // operator == template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } // operator != template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } // operator < template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } // operator > template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } // operator <= template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } // operator >= template _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 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } // [string.view.io] template 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 string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; _LIBCPP_END_NAMESPACE_LFTS _LIBCPP_BEGIN_NAMESPACE_STD // [string.view.hash] // Shamelessly stolen from template struct _LIBCPP_TYPE_VIS_ONLY hash > : public unary_function, size_t> { size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT; }; template size_t hash >::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 __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 @