1 | // Components for manipulating sequences of characters -*- C++ -*- |
2 | |
3 | // Copyright (C) 1997-2024 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 | #pragma GCC system_header |
37 | |
38 | #include <bits/requires_hosted.h> // containers |
39 | |
40 | #include <bits/c++config.h> |
41 | #include <bits/stringfwd.h> |
42 | #include <bits/char_traits.h> |
43 | #include <bits/allocator.h> |
44 | #include <bits/cpp_type_traits.h> |
45 | #include <bits/localefwd.h> // For operators >>, <<, and getline. |
46 | #include <bits/ostream_insert.h> |
47 | #include <bits/stl_iterator_base_funcs.h> |
48 | #include <bits/stl_iterator.h> |
49 | #include <bits/stl_function.h> // For less |
50 | #include <ext/numeric_traits.h> |
51 | #include <bits/stl_algobase.h> |
52 | #include <bits/refwrap.h> |
53 | #include <bits/range_access.h> |
54 | #include <bits/basic_string.h> |
55 | #include <bits/basic_string.tcc> |
56 | |
57 | #define __glibcxx_want_constexpr_char_traits |
58 | #define __glibcxx_want_constexpr_string |
59 | #define __glibcxx_want_erase_if |
60 | #define __glibcxx_want_nonmember_container_access |
61 | #define __glibcxx_want_string_resize_and_overwrite |
62 | #define __glibcxx_want_string_udls |
63 | #define __glibcxx_want_to_string |
64 | #include <bits/version.h> |
65 | |
66 | #if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI |
67 | #include <bits/memory_resource.h> |
68 | namespace std _GLIBCXX_VISIBILITY(default) |
69 | { |
70 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
71 | namespace pmr { |
72 | template<typename _CharT, typename _Traits = char_traits<_CharT>> |
73 | using basic_string = std::basic_string<_CharT, _Traits, |
74 | polymorphic_allocator<_CharT>>; |
75 | using string = basic_string<char>; |
76 | #ifdef _GLIBCXX_USE_CHAR8_T |
77 | using u8string = basic_string<char8_t>; |
78 | #endif |
79 | using u16string = basic_string<char16_t>; |
80 | using u32string = basic_string<char32_t>; |
81 | using wstring = basic_string<wchar_t>; |
82 | } // namespace pmr |
83 | _GLIBCXX_END_NAMESPACE_VERSION |
84 | } // namespace std |
85 | #endif // C++17 |
86 | |
87 | #ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED |
88 | namespace std _GLIBCXX_VISIBILITY(default) |
89 | { |
90 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
91 | |
92 | template<typename _CharT, typename _Traits, typename _Alloc, |
93 | typename _Predicate> |
94 | _GLIBCXX20_CONSTEXPR |
95 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
96 | erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred) |
97 | { |
98 | using namespace __gnu_cxx; |
99 | const auto __osz = __cont.size(); |
100 | const auto __end = __cont.end(); |
101 | auto __removed = std::__remove_if(__cont.begin(), __end, |
102 | __ops::__pred_iter(std::ref(__pred))); |
103 | __cont.erase(__removed, __end); |
104 | return __osz - __cont.size(); |
105 | } |
106 | |
107 | template<typename _CharT, typename _Traits, typename _Alloc, typename _Up> |
108 | _GLIBCXX20_CONSTEXPR |
109 | inline typename basic_string<_CharT, _Traits, _Alloc>::size_type |
110 | erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value) |
111 | { |
112 | using namespace __gnu_cxx; |
113 | const auto __osz = __cont.size(); |
114 | const auto __end = __cont.end(); |
115 | auto __removed = std::__remove_if(__cont.begin(), __end, |
116 | __ops::__iter_equals_val(__value)); |
117 | __cont.erase(__removed, __end); |
118 | return __osz - __cont.size(); |
119 | } |
120 | _GLIBCXX_END_NAMESPACE_VERSION |
121 | } // namespace std |
122 | #endif // __cpp_lib_erase_if |
123 | |
124 | #endif /* _GLIBCXX_STRING */ |
125 | |