source: NonGTP/Boost/boost/archive/iterators/dataflow_exception.hpp @ 857

Revision 857, 2.3 KB checked in by igarcia, 19 years ago (diff)
Line 
1#ifndef BOOST_ARCHIVE_ITERATORS_DATAFLOW_EXCEPTION_HPP
2#define BOOST_ARCHIVE_ITERATORS_DATAFLOW_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// dataflow_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 <cassert>
24
25namespace boost {
26namespace archive {
27namespace iterators {
28
29//////////////////////////////////////////////////////////////////////
30// exceptions thrown by dataflows
31//
32class dataflow_exception : public std::exception
33{
34public:
35    typedef enum {
36        invalid_6_bitcode,
37        invalid_base64_character,
38        invalid_xml_escape_sequence,
39        comparison_not_permitted,
40        invalid_conversion,
41        other_exception
42    } exception_code;
43    exception_code code;
44
45    dataflow_exception(exception_code c = other_exception) : code(c)
46    {}
47
48    virtual const char *what( ) const throw( )
49    {
50        const char *msg = "unknown exception code";
51        switch(code){
52        case invalid_6_bitcode:
53            msg = "attempt to encode a value > 6 bits";
54            break;
55        case invalid_base64_character:
56            msg = "attempt to decode a value not in base64 char set";
57            break;
58        case invalid_xml_escape_sequence:
59            msg = "invalid xml escape_sequence";
60            break;
61        case comparison_not_permitted:
62            msg = "cannot invoke iterator comparison now";
63            break;
64        case invalid_conversion:
65            msg = "invalid multbyte/wide char conversion";
66            break;
67        default:
68            assert(false);
69            break;
70        }
71        return msg;
72    }
73};
74
75} // namespace iterators
76} // namespace archive
77} // namespace boost
78
79#endif //BOOST_NO_EXCEPTIONS
80#endif //BOOST_ARCHIVE_ITERATORS_DATAFLOW_EXCEPTION_HPP
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