/src/contrib/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
21namespace 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