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>
68namespace 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
88namespace 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