69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#ifndef BOOST_ARCHIVE_ITERATORS_BASE64_EXCEPTION_HPP
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#define BOOST_ARCHIVE_ITERATORS_BASE64_EXCEPTION_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// base64_exception.hpp:
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/config.hpp>
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#ifndef BOOST_NO_EXCEPTIONS
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#include <exception>
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#include <boost/assert.hpp>
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namespace boost {
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namespace archive {
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namespace iterators {
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//////////////////////////////////////////////////////////////////////
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// exceptions thrown by base64s
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//
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class base64_exception : public std::exception
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{
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public:
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typedef enum {
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invalid_code, // attempt to encode a value > 6 bits
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invalid_character, // decode a value not in base64 char set
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other_exception
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} exception_code;
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exception_code code;
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base64_exception(exception_code c = other_exception) : code(c)
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{}
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virtual const char *what( ) const throw( )
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{
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const char *msg = "unknown exception code";
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switch(code){
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case invalid_code:
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msg = "attempt to encode a value > 6 bits";
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break;
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case invalid_character:
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msg = "attempt to decode a value not in base64 char set";
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break;
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default:
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BOOST_ASSERT(false);
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break;
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}
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return msg;
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}
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};
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} // namespace iterators
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} // namespace archive
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} // namespace boost
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#endif //BOOST_NO_EXCEPTIONS
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#endif //BOOST_ARCHIVE_ITERATORS_ARCHIVE_EXCEPTION_HPP
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