Added boost header

test/external/boost/filesystem/v2/fstream.hpp

@@ -0,0 +1,613 @@
+//  boost/filesystem/fstream.hpp  --------------------------------------------//
+
+//  Copyright Beman Dawes 2002.
+//  Use, modification, and distribution is subject to the Boost Software
+//  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See library home page at http://www.boost.org/libs/filesystem
+
+//----------------------------------------------------------------------------// 
+
+#ifndef BOOST_FILESYSTEM2_FSTREAM_HPP
+#define BOOST_FILESYSTEM2_FSTREAM_HPP
+
+#include <boost/filesystem/v2/config.hpp>
+#include <boost/filesystem/v2/operations.hpp> // for 8.3 hack (see below)
+#include <boost/utility/enable_if.hpp>
+#include <boost/detail/workaround.hpp>
+
+#include <iosfwd>
+#include <fstream>
+
+#include <boost/config/abi_prefix.hpp> // must be the last #include
+
+// NOTE: fstream.hpp for Boost 1.32.0 and earlier supplied workarounds for
+// various compiler problems. They have been removed to ease development of the
+// basic i18n functionality. Once the new interface is stable, the workarounds
+// will be reinstated for any compilers that otherwise can support the rest of
+// the library after internationalization.
+
+namespace boost
+{
+  namespace filesystem2
+  {
+    namespace detail
+    {
+#   if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM2_NARROW_ONLY)
+#     if !defined(BOOST_DINKUMWARE_STDLIB) || BOOST_DINKUMWARE_STDLIB < 405
+      // The 8.3 hack:
+      // C++98 does not supply a wchar_t open, so try to get an equivalent
+      // narrow char name based on the short, so-called 8.3, name.
+      // Not needed for Dinkumware 405 and later as they do supply wchar_t open.
+      BOOST_FILESYSTEM_DECL bool create_file_api( const std::wstring & ph,
+        std::ios_base::openmode mode ); // true if succeeds
+      BOOST_FILESYSTEM_DECL std::string narrow_path_api(
+        const std::wstring & ph ); // return is empty if fails
+
+      inline std::string path_proxy( const std::wstring & file_ph,
+        std::ios_base::openmode mode )
+      // Return a non-existant path if cannot supply narrow short path.
+      // An empty path doesn't work because some Dinkumware versions
+      // assert the path is non-empty.  
+      {
+        std::string narrow_ph;
+        bool created_file( false );
+        if ( !exists( file_ph )
+          && (mode & std::ios_base::out) != 0
+          && create_file_api( file_ph, mode ) )
+        {
+          created_file = true;
+        }
+        narrow_ph = narrow_path_api( file_ph );
+        if ( narrow_ph.empty() )
+        {
+          if ( created_file ) remove_api( file_ph );
+          narrow_ph = "\x01";
+        }
+        return narrow_ph;
+      }
+#     else
+      // Dinkumware 405 and later does supply wchar_t functions
+      inline const std::wstring & path_proxy( const std::wstring & file_ph,
+        std::ios_base::openmode )
+        { return file_ph; }
+#     endif
+#   endif 
+
+      inline const std::string & path_proxy( const std::string & file_ph,
+        std::ios_base::openmode )
+        { return file_ph; }
+
+    } // namespace detail
+
+    template < class charT, class traits = std::char_traits<charT> >
+    class basic_filebuf : public std::basic_filebuf<charT,traits>
+    {
+    private: // disallow copying
+      basic_filebuf( const basic_filebuf & );
+      const basic_filebuf & operator=( const basic_filebuf & ); 
+    public:
+      basic_filebuf() {}
+      virtual ~basic_filebuf() {}
+
+#   ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>,
+        basic_filebuf<charT,traits> *>::type
+      open( const Path & file_ph, std::ios_base::openmode mode );
+
+      basic_filebuf<charT,traits> *
+      open( const wpath & file_ph, std::ios_base::openmode mode );
+#   endif
+
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+      basic_filebuf<charT,traits> *
+      open( const path & file_ph, std::ios_base::openmode mode );
+#   endif
+    };
+
+    template < class charT, class traits = std::char_traits<charT> >
+    class basic_ifstream : public std::basic_ifstream<charT,traits>
+    {
+    private: // disallow copying
+      basic_ifstream( const basic_ifstream & );
+      const basic_ifstream & operator=( const basic_ifstream & ); 
+    public:
+      basic_ifstream() {}
+
+      // use two signatures, rather than one signature with default second
+      // argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
+
+#   ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+      template<class Path>
+      explicit basic_ifstream( const Path & file_ph,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+
+      template<class Path>
+      basic_ifstream( const Path & file_ph, std::ios_base::openmode mode,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph, std::ios_base::openmode mode );
+
+      explicit basic_ifstream( const wpath & file_ph );
+      basic_ifstream( const wpath & file_ph, std::ios_base::openmode mode );
+      void open( const wpath & file_ph );
+      void open( const wpath & file_ph, std::ios_base::openmode mode );
+#   endif
+
+      explicit basic_ifstream( const path & file_ph );
+      basic_ifstream( const path & file_ph, std::ios_base::openmode mode );
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+      void open( const path & file_ph );
+      void open( const path & file_ph, std::ios_base::openmode mode );
+#   endif
+      virtual ~basic_ifstream() {}
+    };
+
+    template < class charT, class traits = std::char_traits<charT> >
+    class basic_ofstream : public std::basic_ofstream<charT,traits>
+    {
+    private: // disallow copying
+      basic_ofstream( const basic_ofstream & );
+      const basic_ofstream & operator=( const basic_ofstream & ); 
+    public:
+      basic_ofstream() {}
+
+      // use two signatures, rather than one signature with default second
+      // argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
+
+#   ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+
+      template<class Path>
+      explicit basic_ofstream( const Path & file_ph,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+      explicit basic_ofstream( const wpath & file_ph );
+
+      template<class Path>
+      basic_ofstream( const Path & file_ph, std::ios_base::openmode mode,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+      basic_ofstream( const wpath & file_ph, std::ios_base::openmode mode );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph );
+      void open( const wpath & file_ph );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph, std::ios_base::openmode mode );
+      void open( const wpath & file_ph, std::ios_base::openmode mode );
+
+#   endif
+
+      explicit basic_ofstream( const path & file_ph );
+      basic_ofstream( const path & file_ph, std::ios_base::openmode mode );
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+      void open( const path & file_ph );
+      void open( const path & file_ph, std::ios_base::openmode mode );
+#   endif
+      virtual ~basic_ofstream() {}
+    };
+
+    template < class charT, class traits = std::char_traits<charT> >
+    class basic_fstream : public std::basic_fstream<charT,traits>
+    {
+    private: // disallow copying
+      basic_fstream( const basic_fstream & );
+      const basic_fstream & operator=( const basic_fstream & ); 
+    public:
+      basic_fstream() {}
+
+      // use two signatures, rather than one signature with default second
+      // argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
+
+#   ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+
+      template<class Path>
+      explicit basic_fstream( const Path & file_ph,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+      explicit basic_fstream( const wpath & file_ph );
+
+      template<class Path>
+      basic_fstream( const Path & file_ph, std::ios_base::openmode mode,
+        typename boost::enable_if<is_basic_path<Path> >::type* dummy = 0 );
+      basic_fstream( const wpath & file_ph, std::ios_base::openmode mode );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph );
+      void open( const wpath & file_ph );
+
+      template<class Path>
+      typename boost::enable_if<is_basic_path<Path>, void>::type
+      open( const Path & file_ph, std::ios_base::openmode mode );
+      void open( const wpath & file_ph, std::ios_base::openmode mode );
+
+#   endif
+
+      explicit basic_fstream( const path & file_ph );
+      basic_fstream( const path & file_ph, std::ios_base::openmode mode );
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+      void open( const path & file_ph );
+      void open( const path & file_ph, std::ios_base::openmode mode );
+#   endif
+      virtual ~basic_fstream() {}
+
+    };
+ 
+    typedef basic_filebuf<char> filebuf;
+    typedef basic_ifstream<char> ifstream;
+    typedef basic_ofstream<char> ofstream;
+    typedef basic_fstream<char> fstream;
+
+# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+    typedef basic_filebuf<wchar_t> wfilebuf;
+    typedef basic_ifstream<wchar_t> wifstream;
+    typedef basic_fstream<wchar_t> wfstream;
+    typedef basic_ofstream<wchar_t> wofstream;
+# endif
+    
+# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+
+//  basic_filebuf definitions  -----------------------------------------------//
+
+    template <class charT, class traits>
+    template<class Path>
+    typename boost::enable_if<is_basic_path<Path>,
+      basic_filebuf<charT,traits> *>::type
+    basic_filebuf<charT,traits>::open( const Path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      return (std::basic_filebuf<charT,traits>::open( detail::path_proxy(
+        file_ph.external_file_string(), mode ).c_str(), mode )
+          == 0) ? 0 : this;
+    }
+
+    template <class charT, class traits>
+    basic_filebuf<charT,traits> *
+    basic_filebuf<charT, traits>::open( const wpath & file_ph,
+      std::ios_base::openmode mode )
+    {
+      return this->BOOST_NESTED_TEMPLATE open<wpath>( file_ph, mode );
+    }
+
+//  basic_ifstream definitions  ----------------------------------------------//
+
+    template <class charT, class traits> template<class Path>
+    basic_ifstream<charT,traits>::basic_ifstream(const Path & file_ph,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_ifstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in ).c_str(), std::ios_base::in ) {}
+
+    template <class charT, class traits>
+    basic_ifstream<charT,traits>::basic_ifstream( const wpath & file_ph )
+      : std::basic_ifstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in ).c_str(), std::ios_base::in ) {}
+    
+    template <class charT, class traits> template<class Path>
+    basic_ifstream<charT,traits>::basic_ifstream( const Path & file_ph,
+      std::ios_base::openmode mode,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_ifstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+
+    template <class charT, class traits>
+    basic_ifstream<charT,traits>::basic_ifstream( const wpath & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_ifstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_ifstream<charT,traits>::open( const Path & file_ph )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in ).c_str(), std::ios_base::in );
+    }
+
+    template <class charT, class traits>
+    void basic_ifstream<charT,traits>::open( const wpath & file_ph )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in ).c_str(), std::ios_base::in );
+    }
+    
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_ifstream<charT,traits>::open( const Path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+    
+    template <class charT, class traits>
+    void basic_ifstream<charT,traits>::open( const wpath & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+
+//  basic_ofstream definitions  ----------------------------------------------//
+
+    template <class charT, class traits> template<class Path>
+    basic_ofstream<charT,traits>::basic_ofstream(const Path & file_ph,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_ofstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::out ).c_str(), std::ios_base::out ) {}
+
+    template <class charT, class traits>
+    basic_ofstream<charT,traits>::basic_ofstream( const wpath & file_ph )
+      : std::basic_ofstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::out ).c_str(), std::ios_base::out ) {}
+
+    template <class charT, class traits> template<class Path>
+    basic_ofstream<charT,traits>::basic_ofstream( const Path & file_ph,
+      std::ios_base::openmode mode,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_ofstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+
+    template <class charT, class traits>
+    basic_ofstream<charT,traits>::basic_ofstream( const wpath & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_ofstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+    
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_ofstream<charT,traits>::open( const Path & file_ph )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::out ).c_str(), std::ios_base::out );
+    }
+    
+    template <class charT, class traits>
+    void basic_ofstream<charT,traits>::open( const wpath & file_ph )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::out ).c_str(), std::ios_base::out );
+    }
+    
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_ofstream<charT,traits>::open( const Path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+
+    template <class charT, class traits>
+    void basic_ofstream<charT,traits>::open( const wpath & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+
+//  basic_fstream definitions  -----------------------------------------------//
+
+    template <class charT, class traits> template<class Path>
+    basic_fstream<charT,traits>::basic_fstream(const Path & file_ph,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_fstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in|std::ios_base::out ).c_str(),
+          std::ios_base::in|std::ios_base::out ) {}
+
+    template <class charT, class traits>
+    basic_fstream<charT,traits>::basic_fstream( const wpath & file_ph )
+      : std::basic_fstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in|std::ios_base::out ).c_str(),
+          std::ios_base::in|std::ios_base::out ) {}
+
+    template <class charT, class traits> template<class Path>
+    basic_fstream<charT,traits>::basic_fstream( const Path & file_ph,
+      std::ios_base::openmode mode,
+      typename boost::enable_if<is_basic_path<Path> >::type* )
+      : std::basic_fstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+    
+    template <class charT, class traits>
+    basic_fstream<charT,traits>::basic_fstream( const wpath & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_fstream<charT,traits>(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode ) {}
+      
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_fstream<charT,traits>::open( const Path & file_ph )
+    {
+      std::basic_fstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in|std::ios_base::out ).c_str(),
+          std::ios_base::in|std::ios_base::out );
+    }
+
+    template <class charT, class traits>
+    void basic_fstream<charT,traits>::open( const wpath & file_ph )
+    {
+      std::basic_fstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          std::ios_base::in|std::ios_base::out ).c_str(),
+          std::ios_base::in|std::ios_base::out );
+    }
+    
+    template <class charT, class traits> template<class Path>
+    typename boost::enable_if<is_basic_path<Path>, void>::type
+    basic_fstream<charT,traits>::open( const Path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_fstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+
+    template <class charT, class traits>
+    void basic_fstream<charT,traits>::open( const wpath & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_fstream<charT,traits>::open(
+        detail::path_proxy( file_ph.external_file_string(),
+          mode ).c_str(), mode );
+    }
+
+# endif
+
+#  if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+    template <class charT, class traits>
+    basic_filebuf<charT,traits> *
+    basic_filebuf<charT, traits>::open( const path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      return std::basic_filebuf<charT,traits>::open(
+        file_ph.file_string().c_str(), mode ) == 0 ? 0 : this;
+    }
+#  endif
+
+    template <class charT, class traits>
+    basic_ifstream<charT,traits>::basic_ifstream( const path & file_ph )
+      : std::basic_ifstream<charT,traits>(
+          file_ph.file_string().c_str(), std::ios_base::in ) {}
+
+    template <class charT, class traits>
+    basic_ifstream<charT,traits>::basic_ifstream( const path & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_ifstream<charT,traits>(
+          file_ph.file_string().c_str(), mode ) {}
+    
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+    template <class charT, class traits>
+    void basic_ifstream<charT,traits>::open( const path & file_ph )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        file_ph.file_string().c_str(), std::ios_base::in );
+    }
+    
+    template <class charT, class traits>
+    void basic_ifstream<charT,traits>::open( const path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ifstream<charT,traits>::open(
+        file_ph.file_string().c_str(), mode );
+    }
+#   endif
+
+    template <class charT, class traits>
+    basic_ofstream<charT,traits>::basic_ofstream( const path & file_ph )
+      : std::basic_ofstream<charT,traits>(
+          file_ph.file_string().c_str(), std::ios_base::out ) {}
+
+    template <class charT, class traits>
+    basic_ofstream<charT,traits>::basic_ofstream( const path & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_ofstream<charT,traits>(
+          file_ph.file_string().c_str(), mode ) {}
+    
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+    template <class charT, class traits>
+    void basic_ofstream<charT,traits>::open( const path & file_ph )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        file_ph.file_string().c_str(), std::ios_base::out );
+    }
+    
+    template <class charT, class traits>
+    void basic_ofstream<charT,traits>::open( const path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_ofstream<charT,traits>::open(
+        file_ph.file_string().c_str(), mode );
+    }
+#   endif
+
+    template <class charT, class traits>
+    basic_fstream<charT,traits>::basic_fstream( const path & file_ph )
+      : std::basic_fstream<charT,traits>(
+          file_ph.file_string().c_str(),
+          std::ios_base::in|std::ios_base::out ) {}
+
+
+    template <class charT, class traits>
+    basic_fstream<charT,traits>::basic_fstream( const path & file_ph,
+      std::ios_base::openmode mode )
+      : std::basic_fstream<charT,traits>(
+          file_ph.file_string().c_str(), mode ) {}
+
+#   if !BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) // VC++ 6.0 can't handle this
+    template <class charT, class traits>
+    void basic_fstream<charT,traits>::open( const path & file_ph )
+    {
+      std::basic_fstream<charT,traits>::open(
+        file_ph.file_string().c_str(), std::ios_base::in|std::ios_base::out );
+    }
+
+    template <class charT, class traits>
+    void basic_fstream<charT,traits>::open( const path & file_ph,
+      std::ios_base::openmode mode )
+    {
+      std::basic_fstream<charT,traits>::open(
+        file_ph.file_string().c_str(), mode );
+    }
+#   endif
+  } // namespace filesystem2
+} // namespace boost
+
+//----------------------------------------------------------------------------//
+
+namespace boost
+{
+  namespace filesystem
+  {
+# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
+    using filesystem2::wfilebuf;
+    using filesystem2::wifstream;
+    using filesystem2::wfstream;
+    using filesystem2::wofstream;
+# endif
+    using filesystem2::filebuf;
+    using filesystem2::ifstream;
+    using filesystem2::ofstream;
+    using filesystem2::fstream;
+    using filesystem2::basic_filebuf;
+    using filesystem2::basic_ifstream;
+    using filesystem2::basic_ofstream;
+    using filesystem2::basic_fstream;
+
+# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
+# endif
+  }
+}
+
+//----------------------------------------------------------------------------//
+
+#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
+#endif  // BOOST_FILESYSTEM2_FSTREAM_HPP