boost/format/format_fwd.hpp

   1 // ----------------------------------------------------------------------------
   2 //  format_fwd.hpp :  forward declarations
   3 // ----------------------------------------------------------------------------
   4
   5 //  Copyright Samuel Krempp 2003. Use, modification, and distribution are
   6 //  subject to the Boost Software License, Version 1.0. (See accompanying
   7 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  See http://www.boost.org/libs/format for library home page
  10
  11 // ----------------------------------------------------------------------------
  12
  13 #ifndef BOOST_FORMAT_FWD_HPP
  14 #define BOOST_FORMAT_FWD_HPP
  15
  16 #include <string>
  17 #include <iosfwd>
  18
  19 #include <boost/format/detail/compat_workarounds.hpp>
  20
  21 namespace boost {
  22
  23     template <class Ch,
  24 #if !( BOOST_WORKAROUND(__GNUC__, <3) && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION) )
  25     // gcc-2.95's native  stdlid needs special treatment
  26         class Tr = BOOST_IO_STD char_traits<Ch>, class Alloc = std::allocator<Ch> >
  27 #else
  28         class Tr = std::string_char_traits<Ch>, class Alloc = std::alloc >
  29 #endif
  30     class basic_format;
  31
  32     typedef basic_format<char >     format;
  33
  34 #if !defined(BOOST_NO_STD_WSTRING)  && !defined(BOOST_NO_STD_WSTREAMBUF) \
  35     && !defined(BOOST_FORMAT_IGNORE_STRINGSTREAM)
  36     typedef basic_format<wchar_t >  wformat;
  37 #endif
  38
  39     namespace io {
  40         enum format_error_bits { bad_format_string_bit = 1,
  41                                  too_few_args_bit = 2, too_many_args_bit = 4,
  42                                  out_of_range_bit = 8,
  43                                  all_error_bits = 255, no_error_bits=0 };
  44
  45     } // namespace io
  46
  47 } // namespace boost
  48
  49 #endif // BOOST_FORMAT_FWD_HPP