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      1 // Versatile string forward -*- C++ -*-
      2 
      3 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
      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 ext/vstring_fwd.h
     27  *  This is an internal header file, included by other library headers.
     28  *  Do not attempt to use it directly. @headername{ext/vstring.h}
     29  */
     30 
     31 #ifndef _VSTRING_FWD_H
     32 #define _VSTRING_FWD_H 1
     33 
     34 #pragma GCC system_header
     35 
     36 #include <bits/c++config.h>
     37 #include <bits/char_traits.h>
     38 #include <bits/allocator.h>
     39 
     40 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
     41 {
     42 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     43 
     44   template<typename _CharT, typename _Traits, typename _Alloc>
     45     class __sso_string_base;
     46 
     47   template<typename _CharT, typename _Traits, typename _Alloc>
     48     class __rc_string_base;
     49 
     50   template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
     51            typename _Alloc = std::allocator<_CharT>,
     52 	   template
     53 	   <typename, typename, typename> class _Base = __sso_string_base>
     54     class __versa_string;
     55 
     56   typedef __versa_string<char>                              __vstring;
     57   typedef __vstring                                         __sso_string;
     58   typedef
     59   __versa_string<char, std::char_traits<char>,
     60 		 std::allocator<char>, __rc_string_base>    __rc_string;
     61 
     62 #ifdef _GLIBCXX_USE_WCHAR_T
     63   typedef __versa_string<wchar_t>                           __wvstring;
     64   typedef __wvstring                                        __wsso_string;
     65   typedef
     66   __versa_string<wchar_t, std::char_traits<wchar_t>,
     67 		 std::allocator<wchar_t>, __rc_string_base> __wrc_string;
     68 #endif
     69 
     70 #if (defined(__GXX_EXPERIMENTAL_CXX0X__) \
     71      && defined(_GLIBCXX_USE_C99_STDINT_TR1))
     72 
     73   typedef __versa_string<char16_t>                          __u16vstring;
     74   typedef __u16vstring                                      __u16sso_string;
     75   typedef
     76   __versa_string<char16_t, std::char_traits<char16_t>,
     77 		 std::allocator<char16_t>, __rc_string_base> __u16rc_string;
     78 
     79   typedef __versa_string<char32_t>                          __u32vstring;
     80   typedef __u32vstring                                      __u32sso_string;
     81   typedef
     82   __versa_string<char32_t, std::char_traits<char32_t>,
     83 		 std::allocator<char32_t>, __rc_string_base> __u32rc_string;
     84 
     85 #endif
     86 
     87 _GLIBCXX_END_NAMESPACE_VERSION
     88 } // namespace
     89 
     90 #endif /* _VSTRING_FWD_H */
     91