void scfFactory::IncRef ()
{
csRefTrackerAccess::TrackIncRef (this, scfRefCount);
if (!Library && (LibraryName != csInvalidStringID))
{
size_t libidx = LibraryRegistry->FindLibrary(LibraryName);
if (libidx != (size_t)-1)
Library = (scfSharedLibrary *)LibraryRegistry->Get (libidx);
else
Library = new scfSharedLibrary (LibraryName, FactoryClass);
if (Library->ok ())
{
csString sym;
sym << FactoryClass << "_Create";
CreateFunc =
(scfFactoryFunc)csGetLibrarySymbol(Library->LibraryHandle, sym);
if (CreateFunc == 0)
csPrintLibraryError(sym);
}
if (!Library->ok () || CreateFunc == 0)
{
Library = 0;
return; // Signify that IncRef() failed by _not_ incrementing count.
}
Library->IncRef ();
}
scfRefCount++;
}
scfSharedLibrary::scfSharedLibrary (csStringID libraryName, const char *core)
{
LibraryRegistry->Push (this);
RefCount = 0;
LibraryName = libraryName;
const char* lib = get_library_name(LibraryName);
if (PrivateSCF->IsVerbose(SCF_VERBOSE_PLUGIN_LOAD))
csPrintfErr("SCF_NOTIFY: loading plugin %s to satisfy request for %s\n",
lib, core);
LibraryHandle = csLoadLibrary (lib);
if (LibraryHandle != 0)
{
csString sym;
sym << core << "_scfInitialize";
initFunc = (scfInitFunc)csGetLibrarySymbol(LibraryHandle, sym);
if (!initFunc)
{
csPrintfErr("SCF_ERROR: %s doesn't export %s\n",
CS::Quote::Single (lib), CS::Quote::Single (sym.GetData()));
csPrintLibraryError (sym);
}
sym.Clear ();
sym << core << "_scfFinalize";
finisFunc = (scfFinisFunc)csGetLibrarySymbol(LibraryHandle, sym);
if (!finisFunc)
{
csPrintfErr("SCF_ERROR: %s doesn't export %s\n",
CS::Quote::Single (lib), CS::Quote::Single (sym.GetData()));
csPrintLibraryError (sym);
}
if (initFunc && finisFunc)
initFunc (PrivateSCF);
}
else
csPrintLibraryError (lib);
}
