File content as of revision 0:2aa4daee328e:

//mbed Microcontroller Library
//Class designed to store and invoke function pointers and method pointers
//Copyright 2011
//Thomas Hamilton

#ifndef GenericFunctionHandlerLibrary
#define GenericFunctionHandlerLibrary

class GenericFunctionHandler
{
    private:
        bool FunctionPointerType;
        void (*FunctionPointer)();
        unsigned char* ObjectPointer;
        unsigned char* MethodPointer;
        void (GenericFunctionHandler::*InvokePointer)();

        template<class Class>
            void InvokeMethod()
        {
            (*(Class**)ObjectPointer->**(void (Class::**)())MethodPointer)();
        }

    public:
        GenericFunctionHandler(void (*FunctionAddress)())
            : FunctionPointerType(0), FunctionPointer(FunctionAddress)
        {
        }
        template<class Class>
            GenericFunctionHandler(Class* ObjectAddress, void (Class::*MethodAddress)()) :
            FunctionPointerType(1), ObjectPointer(new unsigned char(sizeof(ObjectAddress))),
            MethodPointer(new unsigned char(sizeof(MethodAddress))),
            InvokePointer(&GenericFunctionHandler::InvokeMethod<Class>)
        {
            memcpy(ObjectPointer, (unsigned char*)&ObjectAddress, sizeof(ObjectAddress));
            memcpy(MethodPointer, (unsigned char*)&MethodAddress, sizeof(MethodAddress));
        }

        ~GenericFunctionHandler()
        {
            delete[] ObjectPointer;
            delete[] MethodPointer;
        }

        void Call()
        {
            if (!FunctionPointerType)
            {
                (*FunctionPointer)();
            }
            else
            {
                (this->*InvokePointer)();
            }
        }
        
        void operator ()()
        {
            if (!FunctionPointerType)
            {
                (*FunctionPointer)();
            }
            else
            {
                (this->*InvokePointer)();
            }
        }
};

#endif