ceph/src/boost/boost/archive/iterators/base64_exception.hpp

   1 #ifndef BOOST_ARCHIVE_ITERATORS_BASE64_EXCEPTION_HPP
   2 #define BOOST_ARCHIVE_ITERATORS_BASE64_EXCEPTION_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // base64_exception.hpp:
  11
  12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  13 // Use, modification and distribution is subject to the Boost Software
  14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 //  See http://www.boost.org for updates, documentation, and revision history.
  18
  19 #include <boost/config.hpp>
  20 #ifndef BOOST_NO_EXCEPTIONS
  21 #include <exception>
  22
  23 #include <boost/assert.hpp>
  24
  25 namespace boost {
  26 namespace archive {
  27 namespace iterators {
  28
  29 //////////////////////////////////////////////////////////////////////
  30 // exceptions thrown by base64s
  31 //
  32 class base64_exception : public std::exception
  33 {
  34 public:
  35     typedef enum {
  36         invalid_code,       // attempt to encode a value > 6 bits
  37         invalid_character,  // decode a value not in base64 char set
  38         other_exception
  39     } exception_code;
  40     exception_code code;
  41
  42     base64_exception(exception_code c = other_exception) : code(c)
  43     {}
  44
  45     virtual const char *what( ) const throw( )
  46     {
  47         const char *msg = "unknown exception code";
  48         switch(code){
  49         case invalid_code:
  50             msg = "attempt to encode a value > 6 bits";
  51             break;
  52         case invalid_character:
  53             msg = "attempt to decode a value not in base64 char set";
  54             break;
  55         default:
  56             BOOST_ASSERT(false);
  57             break;
  58         }
  59         return msg;
  60     }
  61 };
  62
  63 } // namespace iterators
  64 } // namespace archive
  65 } // namespace boost
  66
  67 #endif //BOOST_NO_EXCEPTIONS
  68 #endif //BOOST_ARCHIVE_ITERATORS_ARCHIVE_EXCEPTION_HPP