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1 | // Components for manipulating sequences of characters -*- C++ -*- | |
2 | ||
3 | // Copyright (C) 1997-2025 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
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 | ||
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. | |
19 | ||
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/>. | |
24 | ||
25 | /** @file include/string | |
26 | * This is a Standard C++ Library header. | |
27 | */ | |
28 | ||
29 | // | |
30 | // ISO C++ 14882: 21 Strings library | |
31 | // | |
32 | ||
33 | #ifndef _GLIBCXX_STRING | |
34 | #define _GLIBCXX_STRING 1 | |
35 | ||
36 | #ifdef _GLIBCXX_SYSHDR | |
37 | #pragma GCC system_header | |
38 | #endif | |
39 | ||
40 | #include <bits/requires_hosted.h> // containers | |
41 | ||
42 | #include <bits/c++config.h> | |
43 | #include <bits/stringfwd.h> | |
44 | #include <bits/char_traits.h> | |
45 | #include <bits/allocator.h> | |
46 | #include <bits/cpp_type_traits.h> | |
47 | #include <bits/localefwd.h> // For operators >>, <<, and getline. | |
48 | #include <bits/ostream_insert.h> | |
49 | #include <bits/stl_iterator_base_funcs.h> | |
50 | #include <bits/stl_iterator.h> | |
51 | #include <bits/stl_function.h> // For less | |
52 | #include <ext/numeric_traits.h> | |
53 | #include <bits/stl_algobase.h> | |
54 | #include <bits/refwrap.h> | |
55 | #include <bits/range_access.h> | |
56 | #include <bits/basic_string.h> | |
57 | #include <bits/basic_string.tcc> | |
58 | ||
59 | #define __glibcxx_want_algorithm_default_value_type | |
60 | #define __glibcxx_want_allocator_traits_is_always_equal | |
61 | #define __glibcxx_want_constexpr_char_traits | |
62 | #define __glibcxx_want_constexpr_string | |
63 | #define __glibcxx_want_containers_ranges | |
64 | #define __glibcxx_want_erase_if | |
65 | #define __glibcxx_want_nonmember_container_access | |
66 | #define __glibcxx_want_string_resize_and_overwrite | |
67 | #define __glibcxx_want_string_udls | |
68 | #define __glibcxx_want_to_string | |
69 | #include <bits/version.h> | |
70 | ||
71 | #if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI | |
72 | #include <bits/memory_resource.h> | |
73 | namespace std _GLIBCXX_VISIBILITY(default) | |
74 | { | |
75 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
76 | namespace pmr { | |
77 | template<typename _CharT, typename _Traits = char_traits<_CharT>> | |
78 | using basic_string = std::basic_string<_CharT, _Traits, | |
79 | polymorphic_allocator<_CharT>>; | |
80 | using string = basic_string<char>; | |
81 | #ifdef _GLIBCXX_USE_CHAR8_T | |
82 | using u8string = basic_string<char8_t>; | |
83 | #endif | |
84 | using u16string = basic_string<char16_t>; | |
85 | using u32string = basic_string<char32_t>; | |
86 | using wstring = basic_string<wchar_t>; | |
87 | } // namespace pmr | |
88 | _GLIBCXX_END_NAMESPACE_VERSION | |
89 | } // namespace std | |
90 | #endif // C++17 | |
91 | ||
92 | #ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED | |
93 | namespace std _GLIBCXX_VISIBILITY(default) | |
94 | { | |
95 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
96 | ||
97 | template<typename _CharT, typename _Traits, typename _Alloc, | |
98 | typename _Predicate> | |
99 | _GLIBCXX20_CONSTEXPR | |
100 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type | |
101 | erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred) | |
102 | { | |
103 | using namespace __gnu_cxx; | |
104 | const auto __osz = __cont.size(); | |
105 | const auto __end = __cont.end(); | |
106 | auto __removed = std::__remove_if(__cont.begin(), __end, | |
107 | __ops::__pred_iter(std::ref(__pred))); | |
108 | __cont.erase(__removed, __end); | |
109 | return __osz - __cont.size(); | |
110 | } | |
111 | ||
112 | template<typename _CharT, typename _Traits, typename _Alloc, | |
113 | typename _Up _GLIBCXX26_DEF_VAL_T(_CharT)> | |
114 | _GLIBCXX20_CONSTEXPR | |
115 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type | |
116 | erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value) | |
117 | { | |
118 | using namespace __gnu_cxx; | |
119 | const auto __osz = __cont.size(); | |
120 | const auto __end = __cont.end(); | |
121 | auto __removed = std::__remove_if(__cont.begin(), __end, | |
122 | __ops::__iter_equals_val(__value)); | |
123 | __cont.erase(__removed, __end); | |
124 | return __osz - __cont.size(); | |
125 | } | |
126 | _GLIBCXX_END_NAMESPACE_VERSION | |
127 | } // namespace std | |
128 | #endif // __cpp_lib_erase_if | |
129 | ||
130 | #endif /* _GLIBCXX_STRING */ |