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148 lines
4.5 KiB
148 lines
4.5 KiB
// Components for manipulating sequences of characters -*- C++ -*-
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// Copyright (C) 1997-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file include/string
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* This is a Standard C++ Library header.
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*/
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//
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// ISO C++ 14882: 21 Strings library
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//
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#ifndef _GLIBCXX_STRING
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#define _GLIBCXX_STRING 1
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#pragma GCC system_header
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#include <bits/c++config.h>
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#include <bits/stringfwd.h>
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#include <bits/char_traits.h> // NB: In turn includes stl_algobase.h
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#include <bits/allocator.h>
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#include <bits/cpp_type_traits.h>
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#include <bits/localefwd.h> // For operators >>, <<, and getline.
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#include <bits/ostream_insert.h>
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#include <bits/stl_iterator_base_types.h>
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#include <bits/stl_iterator_base_funcs.h>
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#include <bits/stl_iterator.h>
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#include <bits/stl_function.h> // For less
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#include <ext/numeric_traits.h>
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#include <bits/stl_algobase.h>
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#if __cplusplus > 201703L
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# include <bits/stl_algo.h> // For remove and remove_if
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#endif // C++20
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#include <bits/range_access.h>
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#include <bits/basic_string.h>
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#include <bits/basic_string.tcc>
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#if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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namespace pmr {
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template<typename _Tp> class polymorphic_allocator;
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template<typename _CharT, typename _Traits = char_traits<_CharT>>
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using basic_string = std::basic_string<_CharT, _Traits,
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polymorphic_allocator<_CharT>>;
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using string = basic_string<char>;
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#ifdef _GLIBCXX_USE_CHAR8_T
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using u8string = basic_string<char8_t>;
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#endif
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using u16string = basic_string<char16_t>;
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using u32string = basic_string<char32_t>;
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#ifdef _GLIBCXX_USE_WCHAR_T
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using wstring = basic_string<wchar_t>;
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#endif
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} // namespace pmr
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template<typename _Str>
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struct __hash_string_base
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: public __hash_base<size_t, _Str>
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{
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size_t
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operator()(const _Str& __s) const noexcept
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{ return hash<basic_string_view<typename _Str::value_type>>{}(__s); }
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};
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template<>
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struct hash<pmr::string>
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: public __hash_string_base<pmr::string>
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{ };
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#ifdef _GLIBCXX_USE_CHAR8_T
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template<>
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struct hash<pmr::u8string>
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: public __hash_string_base<pmr::u8string>
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{ };
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#endif
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template<>
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struct hash<pmr::u16string>
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: public __hash_string_base<pmr::u16string>
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{ };
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template<>
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struct hash<pmr::u32string>
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: public __hash_string_base<pmr::u32string>
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{ };
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#ifdef _GLIBCXX_USE_WCHAR_T
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template<>
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struct hash<pmr::wstring>
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: public __hash_string_base<pmr::wstring>
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{ };
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#endif
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#endif // C++17
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#if __cplusplus > 201703L
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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#define __cpp_lib_erase_if 202002L
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template<typename _CharT, typename _Traits, typename _Alloc,
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typename _Predicate>
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inline typename basic_string<_CharT, _Traits, _Alloc>::size_type
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erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
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{
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const auto __osz = __cont.size();
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__cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
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__cont.end());
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return __osz - __cont.size();
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}
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template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
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inline typename basic_string<_CharT, _Traits, _Alloc>::size_type
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erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
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{
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const auto __osz = __cont.size();
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__cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
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__cont.end());
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return __osz - __cont.size();
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}
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#endif // C++20
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#endif /* _GLIBCXX_STRING */
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