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#ifndef BOOST_ARCHIVE_ITERATORS_DATAFLOW_EXCEPTION_HPP
#define BOOST_ARCHIVE_ITERATORS_DATAFLOW_EXCEPTION_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// dataflow_exception.hpp:
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
#include <boost/config.hpp>
#ifndef BOOST_NO_EXCEPTIONS
#include <exception>
#endif //BOOST_NO_EXCEPTIONS
#include <boost/assert.hpp>
namespace boost {
namespace archive {
namespace iterators {
//////////////////////////////////////////////////////////////////////
// exceptions thrown by dataflows
//
class dataflow_exception : public std::exception
{
public:
typedef enum {
invalid_6_bitcode,
invalid_base64_character,
invalid_xml_escape_sequence,
comparison_not_permitted,
invalid_conversion,
other_exception
} exception_code;
exception_code code;
dataflow_exception(exception_code c = other_exception) : code(c)
{}
virtual const char *what( ) const throw( )
{
const char *msg = "unknown exception code";
switch(code){
case invalid_6_bitcode:
msg = "attempt to encode a value > 6 bits";
break;
case invalid_base64_character:
msg = "attempt to decode a value not in base64 char set";
break;
case invalid_xml_escape_sequence:
msg = "invalid xml escape_sequence";
break;
case comparison_not_permitted:
msg = "cannot invoke iterator comparison now";
break;
case invalid_conversion:
msg = "invalid multbyte/wide char conversion";
break;
default:
BOOST_ASSERT(false);
break;
}
return msg;
}
};
} // namespace iterators
} // namespace archive
} // namespace boost
#endif //BOOST_ARCHIVE_ITERATORS_DATAFLOW_EXCEPTION_HPP
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