boost/exception/detail/error_info_impl.hpp

   1 //Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc.
   2
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef UUID_CE6983AC753411DDA764247956D89593
   7 #define UUID_CE6983AC753411DDA764247956D89593
   8 #if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
   9 #pragma GCC system_header
  10 #endif
  11 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
  12 #pragma warning(push,1)
  13 #endif
  14
  15 #include <string>
  16
  17 namespace
  18 boost
  19     {
  20     namespace
  21     exception_detail
  22         {
  23         class
  24         error_info_base
  25             {
  26             public:
  27
  28             virtual std::string name_value_string() const = 0;
  29
  30             protected:
  31
  32             virtual
  33             ~error_info_base() throw()
  34                 {
  35                 }
  36             };
  37         }
  38
  39     template <class Tag,class T>
  40     class
  41     error_info:
  42         public exception_detail::error_info_base
  43         {
  44         public:
  45
  46         typedef T value_type;
  47
  48         error_info( value_type const & value );
  49         ~error_info() throw();
  50
  51         value_type const &
  52         value() const
  53             {
  54             return value_;
  55             }
  56
  57         value_type &
  58         value()
  59             {
  60             return value_;
  61             }
  62
  63         private:
  64
  65         std::string name_value_string() const;
  66
  67         value_type value_;
  68         };
  69     }
  70
  71 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
  72 #pragma warning(pop)
  73 #endif
  74 #endif