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