boost/archive/archive_exception.hpp

   1 #ifndef BOOST_ARCHIVE_ARCHIVE_EXCEPTION_HPP
   2 #define BOOST_ARCHIVE_ARCHIVE_EXCEPTION_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // archive/archive_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 <exception>
  20 #include <cassert>
  21
  22 namespace boost {
  23 namespace archive {
  24
  25 //////////////////////////////////////////////////////////////////////
  26 // exceptions thrown by archives
  27 //
  28 class archive_exception :
  29     public virtual std::exception
  30 {
  31 public:
  32     typedef enum {
  33         no_exception,       // initialized without code
  34         other_exception,    // any excepton not listed below
  35         unregistered_class, // attempt to serialize a pointer of an
  36                             // an unregistered class
  37         invalid_signature,  // first line of archive does not contain
  38                             // expected string
  39         unsupported_version,// archive created with library version
  40                             // subsequent to this one
  41         pointer_conflict,   // an attempt has been made to directly
  42                             // serialization::detail an object
  43                             // after having already serialzed the same
  44                             // object through a pointer.  Were this permited,
  45                             // it the archive load would result in the
  46                             // creation of an extra copy of the obect.
  47         incompatible_native_format, // attempt to read native binary format
  48                             // on incompatible platform
  49         array_size_too_short,// array being loaded doesn't fit in array allocated
  50         stream_error,       // i/o error on stream
  51         invalid_class_name, // class name greater than the maximum permitted.
  52                             // most likely a corrupted archive or an attempt
  53                             // to insert virus via buffer overrun method.
  54         unregistered_cast,   // base - derived relationship not registered with
  55                             // void_cast_register
  56         unsupported_class_version // type saved with a version # greater than the
  57                             // one used by the program.  This indicates that the proggram
  58                             // needs to be rebuilt.
  59     } exception_code;
  60     exception_code code;
  61     archive_exception(exception_code c) :
  62         code(c)
  63     {}
  64     virtual const char *what( ) const throw( )
  65     {
  66         const char *msg = "programming error";
  67         switch(code){
  68         case no_exception:
  69             msg = "uninitialized exception";
  70             break;
  71         case unregistered_class:
  72             msg = "unregistered class";
  73             break;
  74         case invalid_signature:
  75             msg = "invalid signature";
  76             break;
  77         case unsupported_version:
  78             msg = "unsupported version";
  79             break;
  80         case pointer_conflict:
  81             msg = "pointer conflict";
  82             break;
  83         case incompatible_native_format:
  84             msg = "incompatible native format";
  85             break;
  86         case array_size_too_short:
  87             msg = "array size too short";
  88             break;
  89         case stream_error:
  90             msg = "stream error";
  91             break;
  92         case invalid_class_name:
  93             msg = "class name too long";
  94             break;
  95         case unregistered_cast:
  96             msg = "unregistered void cast";
  97             break;
  98         case unsupported_class_version:
  99             msg = "class version";
 100             break;
 101         case other_exception:
 102             // if get here - it indicates a derived exception
 103             // was sliced by passing by value in catch
 104             msg = "unknown derived exception";
 105             break;
 106         default:
 107             assert(false);
 108             break;
 109         }
 110         return msg;
 111     }
 112 protected:
 113     archive_exception() :
 114          code(no_exception)
 115     {}
 116 };
 117
 118 }// namespace archive
 119 }// namespace boost
 120
 121 #endif //BOOST_ARCHIVE_ARCHIVE_EXCEPTION_HPP