catch2/include/internal/catch_exception_translator_registry.hpp

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/*
* 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_EXCEPTION_TRANSLATOR_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_EXCEPTION_TRANSLATOR_HPP_INCLUDED
#include "catch_interfaces_exception.h"
#ifdef __OBJC__
#import "Foundation/Foundation.h"
#endif
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namespace Catch {
class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
~ExceptionTranslatorRegistry() {
deleteAll( m_translators );
}
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virtual void registerTranslator( IExceptionTranslator* translator ) {
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m_translators.push_back( translator );
}
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virtual std::string translateActiveException() const {
try {
#ifdef __OBJC__
// In Objective-C try objective-c exceptions first
@try {
throw;
}
@catch (NSException *exception) {
return toString( [exception description] );
}
#else
throw;
#endif
}
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catch( std::exception& ex ) {
return ex.what();
}
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catch( std::string& msg ) {
return msg;
}
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catch( const char* msg ) {
return msg;
}
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catch(...) {
return tryTranslators( m_translators.begin() );
}
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}
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std::string tryTranslators( std::vector<IExceptionTranslator*>::const_iterator it ) const {
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if( it == m_translators.end() )
return "Unknown exception";
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try {
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return (*it)->translate();
}
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catch(...) {
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return tryTranslators( it+1 );
}
}
private:
std::vector<IExceptionTranslator*> m_translators;
};
}
#endif // TWOBLUECUBES_CATCH_EXCEPTION_TRANSLATOR_HPP_INCLUDED