1 // String support -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 4 // 2010 5 // Free Software Foundation, Inc. 6 // 7 // This file is part of the GNU ISO C++ Library. This library is free 8 // software; you can redistribute it and/or modify it under the 9 // terms of the GNU General Public License as published by the 10 // Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 13 // This library is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // Under Section 7 of GPL version 3, you are granted additional 19 // permissions described in the GCC Runtime Library Exception, version 20 // 3.1, as published by the Free Software Foundation. 21 22 // You should have received a copy of the GNU General Public License and 23 // a copy of the GCC Runtime Library Exception along with this program; 24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 // <http://www.gnu.org/licenses/>. 26 27 /** @file stringfwd.h 28 * This is an internal header file, included by other library headers. 29 * You should not attempt to use it directly. 30 */ 31 32 // 33 // ISO C++ 14882: 21 Strings library 34 // 35 36 #ifndef _STRINGFWD_H 37 #define _STRINGFWD_H 1 38 39 #pragma GCC system_header 40 41 #include <bits/c++config.h> 42 43 _GLIBCXX_BEGIN_NAMESPACE(std) 44 45 template<typename _Alloc> 46 class allocator; 47 48 /** 49 * @defgroup strings Strings 50 * 51 * @{ 52 */ 53 54 template<class _CharT> 55 struct char_traits; 56 57 template<typename _CharT, typename _Traits = char_traits<_CharT>, 58 typename _Alloc = allocator<_CharT> > 59 class basic_string; 60 61 template<> struct char_traits<char>; 62 63 typedef basic_string<char> string; ///< A string of @c char 64 65 #ifdef _GLIBCXX_USE_WCHAR_T 66 template<> struct char_traits<wchar_t>; 67 68 typedef basic_string<wchar_t> wstring; ///< A string of @c wchar_t 69 #endif 70 71 #if (defined(__GXX_EXPERIMENTAL_CXX0X__) \ 72 && defined(_GLIBCXX_USE_C99_STDINT_TR1)) 73 74 template<> struct char_traits<char16_t>; 75 template<> struct char_traits<char32_t>; 76 77 typedef basic_string<char16_t> u16string; ///< A string of @c char16_t 78 typedef basic_string<char32_t> u32string; ///< A string of @c char32_t 79 80 #endif 81 /** @} */ 82 83 _GLIBCXX_END_NAMESPACE 84 85 #endif // _STRINGFWD_H 86