misc/SharedObject.h

Go to the documentation of this file.

#ifndef SDL_MISC_SHAREDOBJECT_H
#define SDL_MISC_SHAREDOBJECT_H

#include <stdexcept>
#include <string>

#include <SDL_loadso.h>

namespace sdl {
namespace misc {
    struct SharedObject {
        SharedObject (const string& fileName) : handle_ (SDL_LoadObject (fileName.c_str ())), fileName_ (fileName) {
            if (handle_ == NULL)
                throw runtime_error ("Failed to load shared object " + fileName);
        };

        ~SharedObject () { SDL_UnloadObject (handle_); };

        void* loadFunction (const string& name) {
            void* func = SDL_LoadFunction (handle_, name.c_str ());
            if (func == NULL)
                throw runtime_error ("Failed to load function " + name + " from shared object " + fileName_);
            return func;
        };

        private:
            SharedObject (const SharedObject& rhs);

            SharedObject& operator= (const SharedObject& rhs);

            void* handle_;

            string fileName_;
    }; //SharedObject
}; //misc
}; //sdl

#endif //SDL_MISC_SHAREDOBJECT_H