LibraryExceptions.h

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/******************************************************************************
*
* Copyright Saab AB, 2007-2013 (http://safir.sourceforge.net)
* 
* Created by: Lars Hagström / stlrha
*
*******************************************************************************
*
* This file is part of Safir SDK Core.
*
* Safir SDK Core is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU General Public License as
* published by the Free Software Foundation.
*
* Safir SDK Core is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Safir SDK Core.  If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/

#ifndef __DOTS_LIBRARY_EXCEPTIONS_H__
#define __DOTS_LIBRARY_EXCEPTIONS_H__

#include <boost/noncopyable.hpp>
#include <boost/thread/once.hpp>
#include <Safir/Dob/Typesystem/Defs.h>
#include <Safir/Dob/Typesystem/Exceptions.h>

#ifdef _MSC_VER
#pragma warning (push)
#pragma warning (disable: 4251) // warning C4251: 'Safir::Dob::Typesystem::LibraryExceptions::m_CallbackMap' : class 'stdext::hash_map<_Kty,_Ty>' needs to have dll-interface to be used by clients of class 'Safir::Dob::Typesystem::LibraryExceptions'
#pragma warning (disable: 4275) // warning C4275: non dll-interface class 'boost::noncopyable_::noncopyable' used as base for dll-interface class 'Safir::Dob::Typesystem::LibraryExceptions'
#endif

#define CATCH_LIBRARY_EXCEPTIONS_AND_RUN(statement) \
    catch (const Safir::Dob::Typesystem::FundamentalException & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc); statement;} \
    catch (const Safir::Dob::Typesystem::Exception & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc); statement;} \
    catch (const std::exception & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc); statement;} \
    catch (...) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().SetUnknown(); statement;}

#define CATCH_LIBRARY_EXCEPTIONS \
    catch (const Safir::Dob::Typesystem::FundamentalException & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc);} \
    catch (const Safir::Dob::Typesystem::Exception & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc);} \
    catch (const std::exception & exc) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().Set(exc);} \
    catch (...) \
    {Safir::Dob::Typesystem::LibraryExceptions::Instance().SetUnknown();}


namespace Safir
{
namespace Dob
{
namespace Typesystem
{
    class DOTS_CPP_API LibraryExceptions:
        private boost::noncopyable
    {
    public:
        static LibraryExceptions & Instance();

        void Set(const FundamentalException & exception);


        void Set(const Exception & exception);


        void Set(const std::exception & exception);


        void SetUnknown();

        void AppendDescription(const std::wstring & moreDescription);

        void Throw();

        typedef void (*ThrowExceptionCallback)(const std::wstring & description);

        bool RegisterException(const TypeId exceptionId, ThrowExceptionCallback throwFunction)
        {return m_CallbackMap.insert(CallbackMap::value_type(exceptionId,throwFunction)).second;}

        void Throw(const TypeId exceptionId, const std::string& description) const;

    private:
        LibraryExceptions();
        ~LibraryExceptions();


        void Set(const Internal::CommonExceptionBase & exception);

        typedef unordered_map<TypeId, ThrowExceptionCallback> CallbackMap;
        CallbackMap m_CallbackMap;

        struct SingletonHelper
        {
        private:
            friend LibraryExceptions& LibraryExceptions::Instance();

            static LibraryExceptions& Instance();
            static boost::once_flag m_onceFlag;
        };
    };
}
}
}

#ifdef _MSC_VER
#pragma warning (pop)
#endif

#endif