Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===------------------------ string_view ---------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is distributed under the University of Illinois Open Source |
| 7 | // License. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_STRING_VIEW |
| 12 | #define _LIBCPP_STRING_VIEW |
| 13 | |
| 14 | /* |
| 15 | string_view synopsis |
| 16 | |
| 17 | namespace std { |
| 18 | |
| 19 | // 7.2, Class template basic_string_view |
| 20 | template<class charT, class traits = char_traits<charT>> |
| 21 | class basic_string_view; |
| 22 | |
| 23 | // 7.9, basic_string_view non-member comparison functions |
| 24 | template<class charT, class traits> |
| 25 | constexpr bool operator==(basic_string_view<charT, traits> x, |
| 26 | basic_string_view<charT, traits> y) noexcept; |
| 27 | template<class charT, class traits> |
| 28 | constexpr bool operator!=(basic_string_view<charT, traits> x, |
| 29 | basic_string_view<charT, traits> y) noexcept; |
| 30 | template<class charT, class traits> |
| 31 | constexpr bool operator< (basic_string_view<charT, traits> x, |
| 32 | basic_string_view<charT, traits> y) noexcept; |
| 33 | template<class charT, class traits> |
| 34 | constexpr bool operator> (basic_string_view<charT, traits> x, |
| 35 | basic_string_view<charT, traits> y) noexcept; |
| 36 | template<class charT, class traits> |
| 37 | constexpr bool operator<=(basic_string_view<charT, traits> x, |
| 38 | basic_string_view<charT, traits> y) noexcept; |
| 39 | template<class charT, class traits> |
| 40 | constexpr bool operator>=(basic_string_view<charT, traits> x, |
| 41 | basic_string_view<charT, traits> y) noexcept; |
| 42 | // see below, sufficient additional overloads of comparison functions |
| 43 | |
| 44 | // 7.10, Inserters and extractors |
| 45 | template<class charT, class traits> |
| 46 | basic_ostream<charT, traits>& |
| 47 | operator<<(basic_ostream<charT, traits>& os, |
| 48 | basic_string_view<charT, traits> str); |
| 49 | |
| 50 | // basic_string_view typedef names |
| 51 | typedef basic_string_view<char> string_view; |
| 52 | typedef basic_string_view<char16_t> u16string_view; |
| 53 | typedef basic_string_view<char32_t> u32string_view; |
| 54 | typedef basic_string_view<wchar_t> wstring_view; |
| 55 | |
| 56 | template<class charT, class traits = char_traits<charT>> |
| 57 | class basic_string_view { |
| 58 | public: |
| 59 | // types |
| 60 | typedef traits traits_type; |
| 61 | typedef charT value_type; |
| 62 | typedef charT* pointer; |
| 63 | typedef const charT* const_pointer; |
| 64 | typedef charT& reference; |
| 65 | typedef const charT& const_reference; |
| 66 | typedef implementation-defined const_iterator; |
| 67 | typedef const_iterator iterator; |
| 68 | typedef reverse_iterator<const_iterator> const_reverse_iterator; |
| 69 | typedef const_reverse_iterator reverse_iterator; |
| 70 | typedef size_t size_type; |
| 71 | typedef ptrdiff_t difference_type; |
| 72 | static constexpr size_type npos = size_type(-1); |
| 73 | |
| 74 | // 7.3, basic_string_view constructors and assignment operators |
| 75 | constexpr basic_string_view() noexcept; |
| 76 | constexpr basic_string_view(const basic_string_view&) noexcept = default; |
| 77 | basic_string_view& operator=(const basic_string_view&) noexcept = default; |
| 78 | template<class Allocator> |
| 79 | constexpr basic_string_view(const charT* str); |
| 80 | constexpr basic_string_view(const charT* str, size_type len); |
| 81 | |
| 82 | // 7.4, basic_string_view iterator support |
| 83 | constexpr const_iterator begin() const noexcept; |
| 84 | constexpr const_iterator end() const noexcept; |
| 85 | constexpr const_iterator cbegin() const noexcept; |
| 86 | constexpr const_iterator cend() const noexcept; |
| 87 | const_reverse_iterator rbegin() const noexcept; |
| 88 | const_reverse_iterator rend() const noexcept; |
| 89 | const_reverse_iterator crbegin() const noexcept; |
| 90 | const_reverse_iterator crend() const noexcept; |
| 91 | |
| 92 | // 7.5, basic_string_view capacity |
| 93 | constexpr size_type size() const noexcept; |
| 94 | constexpr size_type length() const noexcept; |
| 95 | constexpr size_type max_size() const noexcept; |
| 96 | constexpr bool empty() const noexcept; |
| 97 | |
| 98 | // 7.6, basic_string_view element access |
| 99 | constexpr const_reference operator[](size_type pos) const; |
| 100 | constexpr const_reference at(size_type pos) const; |
| 101 | constexpr const_reference front() const; |
| 102 | constexpr const_reference back() const; |
| 103 | constexpr const_pointer data() const noexcept; |
| 104 | |
| 105 | // 7.7, basic_string_view modifiers |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 106 | constexpr void remove_prefix(size_type n); |
| 107 | constexpr void remove_suffix(size_type n); |
| 108 | constexpr void swap(basic_string_view& s) noexcept; |
| 109 | |
| 110 | size_type copy(charT* s, size_type n, size_type pos = 0) const; |
| 111 | |
| 112 | constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; |
| 113 | constexpr int compare(basic_string_view s) const noexcept; |
| 114 | constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; |
| 115 | constexpr int compare(size_type pos1, size_type n1, |
| 116 | basic_string_view s, size_type pos2, size_type n2) const; |
| 117 | constexpr int compare(const charT* s) const; |
| 118 | constexpr int compare(size_type pos1, size_type n1, const charT* s) const; |
| 119 | constexpr int compare(size_type pos1, size_type n1, |
| 120 | const charT* s, size_type n2) const; |
| 121 | constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; |
| 122 | constexpr size_type find(charT c, size_type pos = 0) const noexcept; |
| 123 | constexpr size_type find(const charT* s, size_type pos, size_type n) const; |
| 124 | constexpr size_type find(const charT* s, size_type pos = 0) const; |
| 125 | constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; |
| 126 | constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; |
| 127 | constexpr size_type rfind(const charT* s, size_type pos, size_type n) const; |
| 128 | constexpr size_type rfind(const charT* s, size_type pos = npos) const; |
| 129 | constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; |
| 130 | constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; |
| 131 | constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const; |
| 132 | constexpr size_type find_first_of(const charT* s, size_type pos = 0) const; |
| 133 | constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; |
| 134 | constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; |
| 135 | constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const; |
| 136 | constexpr size_type find_last_of(const charT* s, size_type pos = npos) const; |
| 137 | constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; |
| 138 | constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; |
| 139 | constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const; |
| 140 | constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const; |
| 141 | constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; |
| 142 | constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; |
| 143 | constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const; |
| 144 | constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const; |
| 145 | |
Marshall Clow | 46b4ad5 | 2017-12-04 20:11:38 +0000 | [diff] [blame] | 146 | constexpr bool starts_with(basic_string_view s) const noexcept; // C++2a |
| 147 | constexpr bool starts_with(charT c) const noexcept; // C++2a |
| 148 | constexpr bool starts_with(const charT* s) const; // C++2a |
| 149 | constexpr bool ends_with(basic_string_view s) const noexcept; // C++2a |
| 150 | constexpr bool ends_with(charT c) const noexcept; // C++2a |
| 151 | constexpr bool ends_with(const charT* s) const; // C++2a |
| 152 | |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 153 | private: |
| 154 | const_pointer data_; // exposition only |
| 155 | size_type size_; // exposition only |
| 156 | }; |
| 157 | |
| 158 | // 7.11, Hash support |
| 159 | template <class T> struct hash; |
| 160 | template <> struct hash<string_view>; |
| 161 | template <> struct hash<u16string_view>; |
| 162 | template <> struct hash<u32string_view>; |
| 163 | template <> struct hash<wstring_view>; |
| 164 | |
Marshall Clow | 66db4e4 | 2017-10-24 14:06:00 +0000 | [diff] [blame] | 165 | constexpr basic_string_view<char> operator "" sv( const char *str, size_t len ) noexcept; |
| 166 | constexpr basic_string_view<wchar_t> operator "" sv( const wchar_t *str, size_t len ) noexcept; |
| 167 | constexpr basic_string_view<char16_t> operator "" sv( const char16_t *str, size_t len ) noexcept; |
| 168 | constexpr basic_string_view<char32_t> operator "" sv( const char32_t *str, size_t len ) noexcept; |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 169 | |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 170 | } // namespace std |
| 171 | |
| 172 | |
| 173 | */ |
| 174 | |
| 175 | #include <__config> |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 176 | #include <__string> |
Eric Fiselier | 72a5c77 | 2016-12-05 23:53:23 +0000 | [diff] [blame] | 177 | #include <algorithm> |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 178 | #include <iterator> |
Eric Fiselier | 72a5c77 | 2016-12-05 23:53:23 +0000 | [diff] [blame] | 179 | #include <limits> |
| 180 | #include <stdexcept> |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 181 | #include <__debug> |
| 182 | |
| 183 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 184 | #pragma GCC system_header |
| 185 | #endif |
| 186 | |
Eric Fiselier | 018a3d5 | 2017-05-31 22:07:49 +0000 | [diff] [blame] | 187 | _LIBCPP_PUSH_MACROS |
| 188 | #include <__undef_macros> |
| 189 | |
| 190 | |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 191 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 192 | |
| 193 | template<class _CharT, class _Traits = char_traits<_CharT> > |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 194 | class _LIBCPP_TEMPLATE_VIS basic_string_view { |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 195 | public: |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 196 | // types |
| 197 | typedef _Traits traits_type; |
| 198 | typedef _CharT value_type; |
Marshall Clow | de0811a | 2017-12-20 16:31:40 +0000 | [diff] [blame] | 199 | typedef _CharT* pointer; |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 200 | typedef const _CharT* const_pointer; |
Marshall Clow | de0811a | 2017-12-20 16:31:40 +0000 | [diff] [blame] | 201 | typedef _CharT& reference; |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 202 | typedef const _CharT& const_reference; |
| 203 | typedef const_pointer const_iterator; // See [string.view.iterators] |
| 204 | typedef const_iterator iterator; |
| 205 | typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; |
| 206 | typedef const_reverse_iterator reverse_iterator; |
| 207 | typedef size_t size_type; |
| 208 | typedef ptrdiff_t difference_type; |
| 209 | static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 210 | |
Marshall Clow | 256f187 | 2018-03-21 00:36:05 +0000 | [diff] [blame] | 211 | static_assert((!is_array<value_type>::value), "Character type of basic_string_view must not be an array"); |
| 212 | static_assert(( is_standard_layout<value_type>::value), "Character type of basic_string_view must be standard-layout"); |
| 213 | static_assert(( is_trivial<value_type>::value), "Character type of basic_string_view must be trivial"); |
Marshall Clow | 2d4c3fa | 2017-03-15 18:41:11 +0000 | [diff] [blame] | 214 | static_assert((is_same<_CharT, typename traits_type::char_type>::value), |
| 215 | "traits_type::char_type must be the same type as CharT"); |
| 216 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 217 | // [string.view.cons], construct/copy |
| 218 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 219 | basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {} |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 220 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 221 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 222 | basic_string_view(const basic_string_view&) _NOEXCEPT = default; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 223 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 224 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 225 | basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 226 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 227 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 228 | basic_string_view(const _CharT* __s, size_type __len) _NOEXCEPT |
| 229 | : __data(__s), __size(__len) |
| 230 | { |
Marshall Clow | 1536233 | 2016-07-21 06:24:04 +0000 | [diff] [blame] | 231 | // #if _LIBCPP_STD_VER > 11 |
| 232 | // _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); |
| 233 | // #endif |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 234 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 235 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 236 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 237 | basic_string_view(const _CharT* __s) |
| 238 | : __data(__s), __size(_Traits::length(__s)) {} |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 239 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 240 | // [string.view.iterators], iterators |
| 241 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 242 | const_iterator begin() const _NOEXCEPT { return cbegin(); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 243 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 244 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 245 | const_iterator end() const _NOEXCEPT { return cend(); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 246 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 247 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 248 | const_iterator cbegin() const _NOEXCEPT { return __data; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 249 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 250 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 251 | const_iterator cend() const _NOEXCEPT { return __data + __size; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 252 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 253 | _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY |
| 254 | const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 255 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 256 | _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY |
| 257 | const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 258 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 259 | _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY |
| 260 | const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 261 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 262 | _LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY |
| 263 | const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 264 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 265 | // [string.view.capacity], capacity |
| 266 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 267 | size_type size() const _NOEXCEPT { return __size; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 268 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 269 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 270 | size_type length() const _NOEXCEPT { return __size; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 271 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 272 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 273 | size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max(); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 274 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 275 | _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 276 | bool empty() const _NOEXCEPT { return __size == 0; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 277 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 278 | // [string.view.access], element access |
| 279 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 280 | const_reference operator[](size_type __pos) const _NOEXCEPT { return __data[__pos]; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 281 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 282 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 283 | const_reference at(size_type __pos) const |
| 284 | { |
| 285 | return __pos >= size() |
| 286 | ? (__throw_out_of_range("string_view::at"), __data[0]) |
| 287 | : __data[__pos]; |
| 288 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 289 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 290 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 291 | const_reference front() const |
| 292 | { |
| 293 | return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; |
| 294 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 295 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 296 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 297 | const_reference back() const |
| 298 | { |
| 299 | return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1]; |
| 300 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 301 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 302 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 303 | const_pointer data() const _NOEXCEPT { return __data; } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 304 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 305 | // [string.view.modifiers], modifiers: |
| 306 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 307 | void remove_prefix(size_type __n) _NOEXCEPT |
| 308 | { |
| 309 | _LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); |
| 310 | __data += __n; |
| 311 | __size -= __n; |
| 312 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 313 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 314 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 315 | void remove_suffix(size_type __n) _NOEXCEPT |
| 316 | { |
| 317 | _LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); |
| 318 | __size -= __n; |
| 319 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 320 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 321 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 322 | void swap(basic_string_view& __other) _NOEXCEPT |
| 323 | { |
| 324 | const value_type *__p = __data; |
| 325 | __data = __other.__data; |
| 326 | __other.__data = __p; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 327 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 328 | size_type __sz = __size; |
| 329 | __size = __other.__size; |
| 330 | __other.__size = __sz; |
| 331 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 332 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 333 | _LIBCPP_INLINE_VISIBILITY |
| 334 | size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const |
| 335 | { |
| 336 | if (__pos > size()) |
| 337 | __throw_out_of_range("string_view::copy"); |
| 338 | size_type __rlen = _VSTD::min(__n, size() - __pos); |
| 339 | _Traits::copy(__s, data() + __pos, __rlen); |
| 340 | return __rlen; |
| 341 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 342 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 343 | _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
| 344 | basic_string_view substr(size_type __pos = 0, size_type __n = npos) const |
| 345 | { |
| 346 | return __pos > size() |
| 347 | ? (__throw_out_of_range("string_view::substr"), basic_string_view()) |
| 348 | : basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); |
| 349 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 350 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 351 | _LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT |
| 352 | { |
| 353 | size_type __rlen = _VSTD::min( size(), __sv.size()); |
| 354 | int __retval = _Traits::compare(data(), __sv.data(), __rlen); |
| 355 | if ( __retval == 0 ) // first __rlen chars matched |
| 356 | __retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 ); |
| 357 | return __retval; |
| 358 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 359 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 360 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 361 | int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const |
| 362 | { |
| 363 | return substr(__pos1, __n1).compare(__sv); |
| 364 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 365 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 366 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 367 | int compare( size_type __pos1, size_type __n1, |
| 368 | basic_string_view __sv, size_type __pos2, size_type __n2) const |
| 369 | { |
| 370 | return substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2)); |
| 371 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 372 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 373 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 374 | int compare(const _CharT* __s) const _NOEXCEPT |
| 375 | { |
| 376 | return compare(basic_string_view(__s)); |
| 377 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 378 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 379 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 380 | int compare(size_type __pos1, size_type __n1, const _CharT* __s) const |
| 381 | { |
| 382 | return substr(__pos1, __n1).compare(basic_string_view(__s)); |
| 383 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 384 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 385 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 386 | int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const |
| 387 | { |
| 388 | return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); |
| 389 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 390 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 391 | // find |
| 392 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 393 | size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT |
| 394 | { |
| 395 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); |
| 396 | return __str_find<value_type, size_type, traits_type, npos> |
| 397 | (data(), size(), __s.data(), __pos, __s.size()); |
| 398 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 399 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 400 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 401 | size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT |
| 402 | { |
| 403 | return __str_find<value_type, size_type, traits_type, npos> |
| 404 | (data(), size(), __c, __pos); |
| 405 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 406 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 407 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 408 | size_type find(const _CharT* __s, size_type __pos, size_type __n) const |
| 409 | { |
| 410 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); |
| 411 | return __str_find<value_type, size_type, traits_type, npos> |
| 412 | (data(), size(), __s, __pos, __n); |
| 413 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 414 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 415 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 416 | size_type find(const _CharT* __s, size_type __pos = 0) const |
| 417 | { |
| 418 | _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr"); |
| 419 | return __str_find<value_type, size_type, traits_type, npos> |
| 420 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 421 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 422 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 423 | // rfind |
| 424 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 425 | size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT |
| 426 | { |
| 427 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); |
| 428 | return __str_rfind<value_type, size_type, traits_type, npos> |
| 429 | (data(), size(), __s.data(), __pos, __s.size()); |
| 430 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 431 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 432 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 433 | size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT |
| 434 | { |
| 435 | return __str_rfind<value_type, size_type, traits_type, npos> |
| 436 | (data(), size(), __c, __pos); |
| 437 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 438 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 439 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 440 | size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const |
| 441 | { |
| 442 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); |
| 443 | return __str_rfind<value_type, size_type, traits_type, npos> |
| 444 | (data(), size(), __s, __pos, __n); |
| 445 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 446 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 447 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 448 | size_type rfind(const _CharT* __s, size_type __pos=npos) const |
| 449 | { |
| 450 | _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr"); |
| 451 | return __str_rfind<value_type, size_type, traits_type, npos> |
| 452 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 453 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 454 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 455 | // find_first_of |
| 456 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 457 | size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT |
| 458 | { |
| 459 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr"); |
| 460 | return __str_find_first_of<value_type, size_type, traits_type, npos> |
| 461 | (data(), size(), __s.data(), __pos, __s.size()); |
| 462 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 463 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 464 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 465 | size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT |
| 466 | { return find(__c, __pos); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 467 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 468 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 469 | size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 470 | { |
| 471 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); |
| 472 | return __str_find_first_of<value_type, size_type, traits_type, npos> |
| 473 | (data(), size(), __s, __pos, __n); |
| 474 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 475 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 476 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 477 | size_type find_first_of(const _CharT* __s, size_type __pos=0) const |
| 478 | { |
| 479 | _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr"); |
| 480 | return __str_find_first_of<value_type, size_type, traits_type, npos> |
| 481 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 482 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 483 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 484 | // find_last_of |
| 485 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 486 | size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT |
| 487 | { |
| 488 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr"); |
| 489 | return __str_find_last_of<value_type, size_type, traits_type, npos> |
| 490 | (data(), size(), __s.data(), __pos, __s.size()); |
| 491 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 492 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 493 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 494 | size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT |
| 495 | { return rfind(__c, __pos); } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 496 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 497 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 498 | size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 499 | { |
| 500 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); |
| 501 | return __str_find_last_of<value_type, size_type, traits_type, npos> |
| 502 | (data(), size(), __s, __pos, __n); |
| 503 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 504 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 505 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 506 | size_type find_last_of(const _CharT* __s, size_type __pos=npos) const |
| 507 | { |
| 508 | _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr"); |
| 509 | return __str_find_last_of<value_type, size_type, traits_type, npos> |
| 510 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 511 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 512 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 513 | // find_first_not_of |
| 514 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 515 | size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT |
| 516 | { |
| 517 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr"); |
| 518 | return __str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 519 | (data(), size(), __s.data(), __pos, __s.size()); |
| 520 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 521 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 522 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 523 | size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT |
| 524 | { |
| 525 | return __str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 526 | (data(), size(), __c, __pos); |
| 527 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 528 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 529 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 530 | size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 531 | { |
| 532 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); |
| 533 | return __str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 534 | (data(), size(), __s, __pos, __n); |
| 535 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 536 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 537 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 538 | size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const |
| 539 | { |
| 540 | _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr"); |
| 541 | return __str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 542 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 543 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 544 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 545 | // find_last_not_of |
| 546 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 547 | size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT |
| 548 | { |
| 549 | _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr"); |
| 550 | return __str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 551 | (data(), size(), __s.data(), __pos, __s.size()); |
| 552 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 553 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 554 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 555 | size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT |
| 556 | { |
| 557 | return __str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 558 | (data(), size(), __c, __pos); |
| 559 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 560 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 561 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 562 | size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 563 | { |
| 564 | _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); |
| 565 | return __str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 566 | (data(), size(), __s, __pos, __n); |
| 567 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 568 | |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 569 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 570 | size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const |
| 571 | { |
| 572 | _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr"); |
| 573 | return __str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 574 | (data(), size(), __s, __pos, traits_type::length(__s)); |
| 575 | } |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 576 | |
Marshall Clow | 46b4ad5 | 2017-12-04 20:11:38 +0000 | [diff] [blame] | 577 | #if _LIBCPP_STD_VER > 17 |
| 578 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 579 | bool starts_with(basic_string_view __s) const _NOEXCEPT |
| 580 | { return size() >= __s.size() && compare(0, __s.size(), __s) == 0; } |
| 581 | |
| 582 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 583 | bool starts_with(value_type __c) const _NOEXCEPT |
| 584 | { return !empty() && _Traits::eq(front(), __c); } |
| 585 | |
| 586 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 587 | bool starts_with(const value_type* __s) const _NOEXCEPT |
| 588 | { return starts_with(basic_string_view(__s)); } |
| 589 | |
| 590 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 591 | bool ends_with(basic_string_view __s) const _NOEXCEPT |
| 592 | { return size() >= __s.size() && compare(size() - __s.size(), npos, __s) == 0; } |
| 593 | |
| 594 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 595 | bool ends_with(value_type __c) const _NOEXCEPT |
| 596 | { return !empty() && _Traits::eq(back(), __c); } |
| 597 | |
| 598 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 599 | bool ends_with(const value_type* __s) const _NOEXCEPT |
| 600 | { return ends_with(basic_string_view(__s)); } |
| 601 | #endif |
| 602 | |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 603 | private: |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 604 | const value_type* __data; |
| 605 | size_type __size; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 606 | }; |
| 607 | |
| 608 | |
| 609 | // [string.view.comparison] |
| 610 | // operator == |
| 611 | template<class _CharT, class _Traits> |
| 612 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 613 | bool operator==(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 614 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 615 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 616 | if ( __lhs.size() != __rhs.size()) return false; |
| 617 | return __lhs.compare(__rhs) == 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 618 | } |
| 619 | |
| 620 | template<class _CharT, class _Traits> |
| 621 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 622 | bool operator==(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 623 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 624 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 625 | if ( __lhs.size() != __rhs.size()) return false; |
| 626 | return __lhs.compare(__rhs) == 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 627 | } |
| 628 | |
| 629 | template<class _CharT, class _Traits> |
| 630 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 631 | bool operator==(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 632 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 633 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 634 | if ( __lhs.size() != __rhs.size()) return false; |
| 635 | return __lhs.compare(__rhs) == 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | |
| 639 | // operator != |
| 640 | template<class _CharT, class _Traits> |
| 641 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 642 | bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 643 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 644 | if ( __lhs.size() != __rhs.size()) |
| 645 | return true; |
| 646 | return __lhs.compare(__rhs) != 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 647 | } |
| 648 | |
| 649 | template<class _CharT, class _Traits> |
| 650 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 651 | bool operator!=(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 652 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 653 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 654 | if ( __lhs.size() != __rhs.size()) |
| 655 | return true; |
| 656 | return __lhs.compare(__rhs) != 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 657 | } |
| 658 | |
| 659 | template<class _CharT, class _Traits> |
| 660 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 661 | bool operator!=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 662 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 663 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 664 | if ( __lhs.size() != __rhs.size()) |
| 665 | return true; |
| 666 | return __lhs.compare(__rhs) != 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | |
| 670 | // operator < |
| 671 | template<class _CharT, class _Traits> |
| 672 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 673 | bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 674 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 675 | return __lhs.compare(__rhs) < 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | template<class _CharT, class _Traits> |
| 679 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 680 | bool operator<(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 681 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 682 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 683 | return __lhs.compare(__rhs) < 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | template<class _CharT, class _Traits> |
| 687 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 688 | bool operator<(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 689 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 690 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 691 | return __lhs.compare(__rhs) < 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | |
| 695 | // operator > |
| 696 | template<class _CharT, class _Traits> |
| 697 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 698 | bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 699 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 700 | return __lhs.compare(__rhs) > 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 701 | } |
| 702 | |
| 703 | template<class _CharT, class _Traits> |
| 704 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 705 | bool operator>(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 706 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 707 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 708 | return __lhs.compare(__rhs) > 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 709 | } |
| 710 | |
| 711 | template<class _CharT, class _Traits> |
| 712 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 713 | bool operator>(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 714 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 715 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 716 | return __lhs.compare(__rhs) > 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 717 | } |
| 718 | |
| 719 | |
| 720 | // operator <= |
| 721 | template<class _CharT, class _Traits> |
| 722 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 723 | bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 724 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 725 | return __lhs.compare(__rhs) <= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | template<class _CharT, class _Traits> |
| 729 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 730 | bool operator<=(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 731 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 732 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 733 | return __lhs.compare(__rhs) <= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 734 | } |
| 735 | |
| 736 | template<class _CharT, class _Traits> |
| 737 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 738 | bool operator<=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 739 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 740 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 741 | return __lhs.compare(__rhs) <= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | |
| 745 | // operator >= |
| 746 | template<class _CharT, class _Traits> |
| 747 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 748 | bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 749 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 750 | return __lhs.compare(__rhs) >= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | |
| 754 | template<class _CharT, class _Traits> |
| 755 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 756 | bool operator>=(basic_string_view<_CharT, _Traits> __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 757 | typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 758 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 759 | return __lhs.compare(__rhs) >= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | template<class _CharT, class _Traits> |
| 763 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 764 | bool operator>=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 765 | basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 766 | { |
Marshall Clow | f1729d9 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 767 | return __lhs.compare(__rhs) >= 0; |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 768 | } |
| 769 | |
| 770 | typedef basic_string_view<char> string_view; |
| 771 | typedef basic_string_view<char16_t> u16string_view; |
| 772 | typedef basic_string_view<char32_t> u32string_view; |
| 773 | typedef basic_string_view<wchar_t> wstring_view; |
| 774 | |
| 775 | // [string.view.hash] |
| 776 | template<class _CharT, class _Traits> |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 777 | struct _LIBCPP_TEMPLATE_VIS hash<basic_string_view<_CharT, _Traits> > |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 778 | : public unary_function<basic_string_view<_CharT, _Traits>, size_t> |
| 779 | { |
| 780 | size_t operator()(const basic_string_view<_CharT, _Traits> __val) const _NOEXCEPT; |
| 781 | }; |
| 782 | |
| 783 | template<class _CharT, class _Traits> |
| 784 | size_t |
| 785 | hash<basic_string_view<_CharT, _Traits> >::operator()( |
| 786 | const basic_string_view<_CharT, _Traits> __val) const _NOEXCEPT |
| 787 | { |
| 788 | return __do_string_hash(__val.data(), __val.data() + __val.size()); |
| 789 | } |
| 790 | |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 791 | |
| 792 | #if _LIBCPP_STD_VER > 11 |
| 793 | inline namespace literals |
| 794 | { |
| 795 | inline namespace string_view_literals |
| 796 | { |
| 797 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Marshall Clow | 66db4e4 | 2017-10-24 14:06:00 +0000 | [diff] [blame] | 798 | basic_string_view<char> operator "" sv(const char *__str, size_t __len) _NOEXCEPT |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 799 | { |
| 800 | return basic_string_view<char> (__str, __len); |
| 801 | } |
| 802 | |
| 803 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Marshall Clow | 66db4e4 | 2017-10-24 14:06:00 +0000 | [diff] [blame] | 804 | basic_string_view<wchar_t> operator "" sv(const wchar_t *__str, size_t __len) _NOEXCEPT |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 805 | { |
| 806 | return basic_string_view<wchar_t> (__str, __len); |
| 807 | } |
| 808 | |
| 809 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Marshall Clow | 66db4e4 | 2017-10-24 14:06:00 +0000 | [diff] [blame] | 810 | basic_string_view<char16_t> operator "" sv(const char16_t *__str, size_t __len) _NOEXCEPT |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 811 | { |
| 812 | return basic_string_view<char16_t> (__str, __len); |
| 813 | } |
| 814 | |
| 815 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Marshall Clow | 66db4e4 | 2017-10-24 14:06:00 +0000 | [diff] [blame] | 816 | basic_string_view<char32_t> operator "" sv(const char32_t *__str, size_t __len) _NOEXCEPT |
Marshall Clow | 7d32d2f | 2017-01-09 18:07:34 +0000 | [diff] [blame] | 817 | { |
| 818 | return basic_string_view<char32_t> (__str, __len); |
| 819 | } |
| 820 | } |
| 821 | } |
| 822 | #endif |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 823 | _LIBCPP_END_NAMESPACE_STD |
| 824 | |
Eric Fiselier | 018a3d5 | 2017-05-31 22:07:49 +0000 | [diff] [blame] | 825 | _LIBCPP_POP_MACROS |
| 826 | |
Marshall Clow | 1e00d6d | 2016-07-21 05:31:24 +0000 | [diff] [blame] | 827 | #endif // _LIBCPP_STRING_VIEW |