Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / include / ext / enc_filebuf.h

diff --git a/libstdc++-v3/include/ext/enc_filebuf.h b/libstdc++-v3/include/ext/enc_filebuf.h
index e1152bd26f9f49de75212deae3db0d1cef2ab66d..4f835679122e611cb80808e9f3482568fab3e174 100644 (file)
--- a/libstdc++-v3/include/ext/enc_filebuf.h
+++ b/libstdc++-v3/include/ext/enc_filebuf.h
@@ -1,11 +1,11 @@
-// __enc_traits layer for filebuf -*- C++ -*-
+// filebuf with encoding state type -*- C++ -*-
 
-// Copyright (C) 2002 Free Software Foundation, Inc.
+// Copyright (C) 2002, 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
 // terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
 // any later version.
 
 // This library is distributed in the hope that it will be useful,
@@ -13,49 +13,50 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING.  If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
 
-// As a special exception, you may use this file as part of a free software
-// library without restriction.  Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License.  This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file ext/enc_filebuf.h
+ *  This file is a GNU extension to the Standard C++ Library.
+ */
+
+#ifndef _EXT_ENC_FILEBUF_H
+#define _EXT_ENC_FILEBUF_H 1
 
 #include <fstream>
 #include <locale>
+#include <ext/codecvt_specializations.h>
 
-namespace __gnu_cxx
-{
-  // Custom traits type with __enc_traits for state type, all other bits
-  // equivalent to the required char_traits instantiations.
-  template<typename _CharT>
-    struct enc_char_traits: public std::char_traits<_CharT>
-    {
-      typedef std::__enc_traits        state_type;
-    };
+_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 
+  /// class enc_filebuf.
   template<typename _CharT>
     class enc_filebuf
-    : public std::basic_filebuf<_CharT, enc_char_traits<_CharT> >
+    : public std::basic_filebuf<_CharT, encoding_char_traits<_CharT> >
     {
     public:
-      typedef typename enc_char_traits<_CharT>::state_type state_type;
-      
+      typedef encoding_char_traits<_CharT>             traits_type;
+      typedef typename traits_type::state_type state_type;
+      typedef typename traits_type::pos_type   pos_type;
+
       enc_filebuf(state_type& __state)
-      : std::basic_filebuf<_CharT, enc_char_traits<_CharT> >()
-      { 
-       // Set state type to something useful.
-       // Something more than copyconstructible is needed here, so
-       // require copyconstructible + assignment operator.
-       __glibcpp_class_requires(state_type, _SGIAssignableConcept);
-       _M_state_cur = __state;
-       _M_state_cur._M_init();
-      };
+      : std::basic_filebuf<_CharT, encoding_char_traits<_CharT> >()
+      { this->_M_state_beg = __state; }
+
+    private:
+      // concept requirements:
+      // Set state type to something useful.
+      // Something more than copyconstructible is needed here, so
+      // require default and copy constructible + assignment operator.
+      __glibcxx_class_requires(state_type, _SGIAssignableConcept)
     };
-} // namespace __gnu_cxx
+
+_GLIBCXX_END_NAMESPACE
+
+#endif