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			84 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 *  Created by Phil on 20/04/2011.
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 *  Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
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 *
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 *  Distributed under the Boost Software License, Version 1.0. (See accompanying
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 *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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 */
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#ifndef TWOBLUECUBES_CATCH_INTERFACES_EXCEPTION_H_INCLUDED
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#define TWOBLUECUBES_CATCH_INTERFACES_EXCEPTION_H_INCLUDED
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#include "catch_interfaces_registry_hub.h"
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#if defined(CATCH_CONFIG_DISABLE)
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    #define INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( translatorName, signature) \
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        static std::string translatorName( signature )
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#endif
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#include <exception>
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#include <string>
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#include <vector>
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namespace Catch {
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    using exceptionTranslateFunction = std::string(*)();
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    struct IExceptionTranslator;
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    using ExceptionTranslators = std::vector<std::unique_ptr<IExceptionTranslator const>>;
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    struct IExceptionTranslator {
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        virtual ~IExceptionTranslator();
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        virtual std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const = 0;
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    };
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    struct IExceptionTranslatorRegistry {
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        virtual ~IExceptionTranslatorRegistry();
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        virtual std::string translateActiveException() const = 0;
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    };
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    class ExceptionTranslatorRegistrar {
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        template<typename T>
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        class ExceptionTranslator : public IExceptionTranslator {
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        public:
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            ExceptionTranslator( std::string(*translateFunction)( T& ) )
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            : m_translateFunction( translateFunction )
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            {}
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            std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const override {
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                try {
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                    if( it == itEnd )
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                        std::rethrow_exception(std::current_exception());
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                    else
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                        return (*it)->translate( it+1, itEnd );
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                }
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                catch( T& ex ) {
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                    return m_translateFunction( ex );
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                }
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            }
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        protected:
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            std::string(*m_translateFunction)( T& );
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        };
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    public:
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        template<typename T>
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        ExceptionTranslatorRegistrar( std::string(*translateFunction)( T& ) ) {
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            getMutableRegistryHub().registerTranslator
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                ( new ExceptionTranslator<T>( translateFunction ) );
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        }
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    };
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}
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_TRANSLATE_EXCEPTION2( translatorName, signature ) \
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    static std::string translatorName( signature ); \
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    CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
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    namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &translatorName ); } \
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    CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
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    static std::string translatorName( signature )
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#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION2( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )
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#endif // TWOBLUECUBES_CATCH_INTERFACES_EXCEPTION_H_INCLUDED
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