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54c1bf78 | 1 | // Components for manipulating sequences of characters -*- C++ -*- |
de96ac46 | 2 | |
7adcbafe | 3 | // Copyright (C) 1997-2022 Free Software Foundation, Inc. |
de96ac46 BK |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
de96ac46 | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
de96ac46 | 24 | |
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25 | /** @file include/string |
26 | * This is a Standard C++ Library header. | |
27 | */ | |
28 | ||
54c1bf78 BK |
29 | // |
30 | // ISO C++ 14882: 21 Strings library | |
31 | // | |
32 | ||
1143680e SE |
33 | #ifndef _GLIBCXX_STRING |
34 | #define _GLIBCXX_STRING 1 | |
54c1bf78 BK |
35 | |
36 | #pragma GCC system_header | |
37 | ||
38 | #include <bits/c++config.h> | |
39 | #include <bits/stringfwd.h> | |
f56fe8ff PC |
40 | #include <bits/char_traits.h> // NB: In turn includes stl_algobase.h |
41 | #include <bits/allocator.h> | |
c0736a9d | 42 | #include <bits/cpp_type_traits.h> |
11202768 PC |
43 | #include <bits/localefwd.h> // For operators >>, <<, and getline. |
44 | #include <bits/ostream_insert.h> | |
c2ba9709 JS |
45 | #include <bits/stl_iterator_base_types.h> |
46 | #include <bits/stl_iterator_base_funcs.h> | |
54c1bf78 | 47 | #include <bits/stl_iterator.h> |
11202768 | 48 | #include <bits/stl_function.h> // For less |
33ac58d5 JW |
49 | #include <ext/numeric_traits.h> |
50 | #include <bits/stl_algobase.h> | |
acf3a21c | 51 | #include <bits/refwrap.h> |
f67a9881 | 52 | #include <bits/range_access.h> |
ee3ee948 | 53 | #include <bits/basic_string.h> |
33ac58d5 | 54 | #include <bits/basic_string.tcc> |
54c1bf78 | 55 | |
1bc7a28f | 56 | #if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI |
1fc9d0b0 JW |
57 | namespace std _GLIBCXX_VISIBILITY(default) |
58 | { | |
59 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
60 | namespace pmr { | |
61 | template<typename _Tp> class polymorphic_allocator; | |
62 | template<typename _CharT, typename _Traits = char_traits<_CharT>> | |
63 | using basic_string = std::basic_string<_CharT, _Traits, | |
64 | polymorphic_allocator<_CharT>>; | |
65 | using string = basic_string<char>; | |
c124af93 TH |
66 | #ifdef _GLIBCXX_USE_CHAR8_T |
67 | using u8string = basic_string<char8_t>; | |
68 | #endif | |
1fc9d0b0 JW |
69 | using u16string = basic_string<char16_t>; |
70 | using u32string = basic_string<char32_t>; | |
1fc9d0b0 | 71 | using wstring = basic_string<wchar_t>; |
1fc9d0b0 | 72 | } // namespace pmr |
0cb78ef4 JW |
73 | |
74 | template<typename _Str> | |
75 | struct __hash_string_base | |
76 | : public __hash_base<size_t, _Str> | |
77 | { | |
78 | size_t | |
79 | operator()(const _Str& __s) const noexcept | |
80 | { return hash<basic_string_view<typename _Str::value_type>>{}(__s); } | |
81 | }; | |
82 | ||
83 | template<> | |
84 | struct hash<pmr::string> | |
85 | : public __hash_string_base<pmr::string> | |
86 | { }; | |
87 | #ifdef _GLIBCXX_USE_CHAR8_T | |
88 | template<> | |
89 | struct hash<pmr::u8string> | |
90 | : public __hash_string_base<pmr::u8string> | |
91 | { }; | |
92 | #endif | |
93 | template<> | |
94 | struct hash<pmr::u16string> | |
95 | : public __hash_string_base<pmr::u16string> | |
96 | { }; | |
97 | template<> | |
98 | struct hash<pmr::u32string> | |
99 | : public __hash_string_base<pmr::u32string> | |
100 | { }; | |
0cb78ef4 JW |
101 | template<> |
102 | struct hash<pmr::wstring> | |
103 | : public __hash_string_base<pmr::wstring> | |
104 | { }; | |
0cb78ef4 | 105 | |
1fc9d0b0 JW |
106 | _GLIBCXX_END_NAMESPACE_VERSION |
107 | } // namespace std | |
108 | #endif // C++17 | |
109 | ||
188588e4 ESR |
110 | #if __cplusplus > 201703L |
111 | namespace std _GLIBCXX_VISIBILITY(default) | |
112 | { | |
113 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
45a8d80f | 114 | |
55b00d14 | 115 | #define __cpp_lib_erase_if 202002L |
45a8d80f | 116 | |
188588e4 ESR |
117 | template<typename _CharT, typename _Traits, typename _Alloc, |
118 | typename _Predicate> | |
b96e2ff9 | 119 | _GLIBCXX20_CONSTEXPR |
0b44b4b8 | 120 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
188588e4 ESR |
121 | erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred) |
122 | { | |
acf3a21c | 123 | using namespace __gnu_cxx; |
0b44b4b8 | 124 | const auto __osz = __cont.size(); |
56107848 JW |
125 | const auto __end = __cont.end(); |
126 | auto __removed = std::__remove_if(__cont.begin(), __end, | |
127 | __ops::__pred_iter(std::ref(__pred))); | |
128 | __cont.erase(__removed, __end); | |
0b44b4b8 | 129 | return __osz - __cont.size(); |
188588e4 ESR |
130 | } |
131 | ||
132 | template<typename _CharT, typename _Traits, typename _Alloc, typename _Up> | |
b96e2ff9 | 133 | _GLIBCXX20_CONSTEXPR |
0b44b4b8 | 134 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
188588e4 ESR |
135 | erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value) |
136 | { | |
acf3a21c | 137 | using namespace __gnu_cxx; |
0b44b4b8 | 138 | const auto __osz = __cont.size(); |
56107848 JW |
139 | const auto __end = __cont.end(); |
140 | auto __removed = std::__remove_if(__cont.begin(), __end, | |
141 | __ops::__iter_equals_val(__value)); | |
142 | __cont.erase(__removed, __end); | |
0b44b4b8 | 143 | return __osz - __cont.size(); |
188588e4 ESR |
144 | } |
145 | _GLIBCXX_END_NAMESPACE_VERSION | |
146 | } // namespace std | |
147 | #endif // C++20 | |
148 | ||
1143680e | 149 | #endif /* _GLIBCXX_STRING */ |