catch2/include/internal/catch_interfaces_exception.h

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/*
* catch_exception_interfaces.h
* Catch
*
* Created by Phil on 20/04/2011.
* Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under 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)
*
*/
#ifndef TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
#define TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
#include <string>
namespace Catch
{
typedef std::string(*exceptionTranslateFunction)();
struct IExceptionTranslator
{
virtual ~IExceptionTranslator(){}
virtual std::string translate() const = 0;
};
struct IExceptionTranslatorRegistry
{
virtual ~IExceptionTranslatorRegistry
()
{}
virtual void registerTranslator
( IExceptionTranslator* translator
) = 0;
virtual std::string translateActiveException
() const = 0;
};
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class ExceptionTranslatorRegistrar
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{
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template<typename T>
class ExceptionTranslator : public IExceptionTranslator
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{
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public:
ExceptionTranslator
(
std::string(*translateFunction)( T& )
)
: m_translateFunction( translateFunction )
{}
virtual std::string translate
()
const
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{
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try
{
throw;
}
catch( T& ex )
{
return m_translateFunction( ex );
}
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}
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protected:
std::string(*m_translateFunction)( T& );
};
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public:
template<typename T>
ExceptionTranslatorRegistrar
(
std::string(*translateFunction)( T& )
)
{
Catch::Hub::getExceptionTranslatorRegistry().registerTranslator
( new ExceptionTranslator<T>( translateFunction ) );
}
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};
}
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) \
static std::string INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator )( signature ); \
namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ) ); }\
static std::string INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator )( signature )
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#endif // TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED