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54c1bf78 | 1 | // Components for manipulating sequences of characters -*- C++ -*- |
de96ac46 | 2 | |
8d9254fc | 3 | // Copyright (C) 1997-2020 Free Software Foundation, Inc. |
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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 | ||
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29 | // |
30 | // ISO C++ 14882: 21 Strings library | |
31 | // | |
32 | ||
1143680e SE |
33 | #ifndef _GLIBCXX_STRING |
34 | #define _GLIBCXX_STRING 1 | |
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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> | |
355c62ce ESR |
51 | #if __cplusplus > 201703L |
52 | # include <bits/stl_algo.h> // For remove and remove_if | |
53 | #endif // C++20 | |
f67a9881 | 54 | #include <bits/range_access.h> |
ee3ee948 | 55 | #include <bits/basic_string.h> |
33ac58d5 | 56 | #include <bits/basic_string.tcc> |
54c1bf78 | 57 | |
1bc7a28f | 58 | #if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI |
1fc9d0b0 JW |
59 | namespace std _GLIBCXX_VISIBILITY(default) |
60 | { | |
61 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
62 | namespace pmr { | |
63 | template<typename _Tp> class polymorphic_allocator; | |
64 | template<typename _CharT, typename _Traits = char_traits<_CharT>> | |
65 | using basic_string = std::basic_string<_CharT, _Traits, | |
66 | polymorphic_allocator<_CharT>>; | |
67 | using string = basic_string<char>; | |
c124af93 TH |
68 | #ifdef _GLIBCXX_USE_CHAR8_T |
69 | using u8string = basic_string<char8_t>; | |
70 | #endif | |
1fc9d0b0 JW |
71 | using u16string = basic_string<char16_t>; |
72 | using u32string = basic_string<char32_t>; | |
73 | #ifdef _GLIBCXX_USE_WCHAR_T | |
74 | using wstring = basic_string<wchar_t>; | |
75 | #endif | |
76 | } // namespace pmr | |
0cb78ef4 JW |
77 | |
78 | template<typename _Str> | |
79 | struct __hash_string_base | |
80 | : public __hash_base<size_t, _Str> | |
81 | { | |
82 | size_t | |
83 | operator()(const _Str& __s) const noexcept | |
84 | { return hash<basic_string_view<typename _Str::value_type>>{}(__s); } | |
85 | }; | |
86 | ||
87 | template<> | |
88 | struct hash<pmr::string> | |
89 | : public __hash_string_base<pmr::string> | |
90 | { }; | |
91 | #ifdef _GLIBCXX_USE_CHAR8_T | |
92 | template<> | |
93 | struct hash<pmr::u8string> | |
94 | : public __hash_string_base<pmr::u8string> | |
95 | { }; | |
96 | #endif | |
97 | template<> | |
98 | struct hash<pmr::u16string> | |
99 | : public __hash_string_base<pmr::u16string> | |
100 | { }; | |
101 | template<> | |
102 | struct hash<pmr::u32string> | |
103 | : public __hash_string_base<pmr::u32string> | |
104 | { }; | |
105 | #ifdef _GLIBCXX_USE_WCHAR_T | |
106 | template<> | |
107 | struct hash<pmr::wstring> | |
108 | : public __hash_string_base<pmr::wstring> | |
109 | { }; | |
110 | #endif | |
111 | ||
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112 | _GLIBCXX_END_NAMESPACE_VERSION |
113 | } // namespace std | |
114 | #endif // C++17 | |
115 | ||
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116 | #if __cplusplus > 201703L |
117 | namespace std _GLIBCXX_VISIBILITY(default) | |
118 | { | |
119 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
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120 | |
121 | #define __cpp_lib_erase_if 201900L | |
122 | ||
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123 | template<typename _CharT, typename _Traits, typename _Alloc, |
124 | typename _Predicate> | |
0b44b4b8 | 125 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
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126 | erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred) |
127 | { | |
0b44b4b8 | 128 | const auto __osz = __cont.size(); |
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129 | __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred), |
130 | __cont.end()); | |
0b44b4b8 | 131 | return __osz - __cont.size(); |
188588e4 ESR |
132 | } |
133 | ||
134 | template<typename _CharT, typename _Traits, typename _Alloc, typename _Up> | |
0b44b4b8 | 135 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
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136 | erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value) |
137 | { | |
0b44b4b8 | 138 | const auto __osz = __cont.size(); |
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139 | __cont.erase(std::remove(__cont.begin(), __cont.end(), __value), |
140 | __cont.end()); | |
0b44b4b8 | 141 | return __osz - __cont.size(); |
188588e4 ESR |
142 | } |
143 | _GLIBCXX_END_NAMESPACE_VERSION | |
144 | } // namespace std | |
145 | #endif // C++20 | |
146 | ||
1143680e | 147 | #endif /* _GLIBCXX_STRING */ |