-
-// ===================================================================================
-
-
- bool Factory::IsAtRoot(std::string cwd)
- {
- if ( cwd == "/" // hope it gets / (for Linux)
- || (cwd.size() <= 3 && cwd[1] == ':') ) // hope it gets C: D: (for Windows)
- return (true);
- else
- return(false);
-}
-// ===================================================================================
-
- bool Factory::DoLoadPackage(std::string libname,
- std::string pkgname,
- std::string path,
- bool verbose)
- {
-
-#if defined(__GNUC__)
-
- void *handler;
- handler = dlopen(libname.c_str(),
- BBTK_RTLD_TIME | BBTK_RTLD_SCOPE );
- if (!handler)
- {
- if (verbose) {
- std::cout <<"[" <<libname<<"] can't be open" << std::endl;
- std::cout << " " <<dlerror() << std::endl;
- }
- return false; // try next path
- }
-
- if (verbose)
- std::cout <<" -->[" <<libname<<"] found" << std::endl;
-
- // Loads the Package accessor
-
- std::string getpackname(pkgname);
- getpackname += "GetPackage";
- void *getpack = dlsym(handler, getpackname.c_str());
- if (!getpack)
- {
- dlclose(handler);
- bbtkError("GetPackage : could not load package \""<<pkgname
- <<"\" [symbol "<<getpackname<<"] :"<<dlerror());
- }
-
- // Verifies that the Package delete function is present
- std::string delfname(pkgname);
- delfname += "DeletePackage";
- void *delf = dlsym(handler, delfname.c_str());
- if (!delf)
- {
- dlclose(handler);
- bbtkError("DeletePackage : could not load package \""<<pkgname
- <<"\" [symbol "<<delfname<<"] :"<<dlerror());
- }
-
-#elif defined(_WIN32)
-
- HINSTANCE handler;
-
- SetErrorMode(0);
- handler = LoadLibrary(libname.c_str());
- if (!handler){
- if (verbose)
- std::cout <<" no handler for [" <<libname<<"];" << std::endl;
- return false;// Problem with the found library
- }
- if (verbose)
- std::cout <<" --->[" <<libname<<"] found" << std::endl;
-
- // Loads the Package accessor
-
- std::string getpackname(pkgname);
- getpackname += "GetPackage";
- void *getpack = GetProcAddress(handler, getpackname.c_str());
- if (!getpack)
- {
- FreeLibrary(handler);
- bbtkError("[1]could not load package \""<<pkgname
- <<"\" : "<<getpackname<<" symbol not found (is it a bbtk package lib ?)");
- // look how to get the error message on win
- //<<dlerror());
-
- }
- // Verifies that the Package delete function is present
- std::string delfname(pkgname);
- delfname += "DeletePackage";
- void *delf = GetProcAddress(handler, delfname.c_str());
- if (!delf)
- {
- FreeLibrary(handler);
- bbtkError("[2]could not load package \""<<pkgname
- <<"\" : "<<delfname<<" symbol not found (is it a bbtk package lib ?)");
- // look how to get the error message on win
- //<<dlerror());
- }
-#else
- bbtkError("neither __GNUC__ nor _WIN32 ?!? How did you compile ?");
-#endif