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58 lines
1.5 KiB
58 lines
1.5 KiB
#ifndef BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED |
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#define BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED |
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////////////////////////////////////////////////////////////////////////////// |
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// Copyright 2002-2006 Andreas Huber Doenni |
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// Distributed under the Boost Software License, Version 1.0. (See accompany- |
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// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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////////////////////////////////////////////////////////////////////////////// |
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#include <boost/statechart/event.hpp> |
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#include <boost/statechart/result.hpp> |
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namespace boost |
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{ |
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namespace statechart |
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{ |
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////////////////////////////////////////////////////////////////////////////// |
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class exception_thrown : public event< exception_thrown > {}; |
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////////////////////////////////////////////////////////////////////////////// |
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template< class ExceptionEvent = exception_thrown > |
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class exception_translator |
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{ |
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public: |
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////////////////////////////////////////////////////////////////////////// |
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// The following declarations should be private. |
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// They are only public because many compilers lack template friends. |
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////////////////////////////////////////////////////////////////////////// |
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template< class Action, class ExceptionEventHandler > |
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result operator()( Action action, ExceptionEventHandler eventHandler ) |
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{ |
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try |
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{ |
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return action(); |
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} |
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catch ( ... ) |
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{ |
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return eventHandler( ExceptionEvent() ); |
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} |
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} |
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}; |
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} // namespace statechart |
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} // namespace boost |
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#endif
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