errorBufferInterface.hpp

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/*
 * Copyright (c) 2014 Patrick P. Frey
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#ifndef _STRUS_BASE_ERROR_BUFFER_INTERFACE_HPP_INCLUDED
#define _STRUS_BASE_ERROR_BUFFER_INTERFACE_HPP_INCLUDED
#include "strus/errorCodes.hpp"
#include "strus/debugTraceInterface.hpp"
#include <cstdio>

namespace strus
{

class ErrorBufferInterface
{
public:
        enum ErrorClass
        {
                None,           
                RuntimeError,   
                BadAlloc        
        };

        virtual ~ErrorBufferInterface(){}

        virtual void setLogFile( FILE* hnd)=0;

        virtual bool setMaxNofThreads( unsigned int maxNofThreads)=0;

        virtual void report( int errorcode, const char* format, ...)
#ifdef __GNUC__
        __attribute__ ((format (printf, 3, 4)))
#endif
        =0;
        virtual void explain( const char* format)=0;

        virtual const char* fetchError()=0;

        virtual bool hasError() const=0;

        virtual void allocContext()=0;

        virtual void releaseContext()=0;

        virtual DebugTraceInterface* debugTrace() const=0;
};

}//namespace
#endif