SE_Plugin* SE_DynamicLibManager::loadPluginFromLib(const char* libName)
{
SE_DynamicLib* dLib = loadDynamicLib(libName);
if(!dLib)
{
return NULL;
}
mLoadedLibMap.insert(std::pair<std::string,SE_DynamicLib*>(std::string(libName),dLib));
SE_Plugin* p = dLib->getPlugin();
if(!p)
{
unloadLib(libName);
}
return p;
}
static bool readCpl(const QString& cplFilename, FileCatalogDb& db, QReadWriteLock& dbLock)
{
QLibrary libCpl(cplFilename);
bool success = libCpl.load();
if (!success)
{
qDebug() << "Unable to load cpl" << cplFilename;
return false;
}
Finalizer unloadLib([&libCpl]() { libCpl.unload(); });
Q_UNUSED(unloadLib);
APPLET_PROC proc = (APPLET_PROC) libCpl.resolve("CPlApplet");
if (!proc)
{
qDebug() << "Cannot resolve symbol from" << cplFilename << ": " << libCpl.errorString();
return false;
}
LONG rv = proc(0, CPL_INIT, 0, 0);
if (rv == 0)
return false;
Finalizer callCplExit([&proc] { if (proc) proc(0, CPL_EXIT, 0, 0); });
Q_UNUSED(callCplExit);
HMODULE hLibInst = GetModuleHandle(libCpl.fileName().toStdWString().c_str());
const QString systemPath = getWindowsSystemPath();
const QDir systemDir(systemPath);
const QString controlExePath = systemDir.absoluteFilePath("control.exe");
LONG nDialogs = proc(0, CPL_GETCOUNT, 0, 0);
if (nDialogs)
dbLock.lockForWrite();
for (LONG i = 0; i < nDialogs; i++)
{
CPLINFO cplInfo;
memset(&cplInfo, 0, sizeof(cplInfo));
proc(0, CPL_INQUIRE, i, reinterpret_cast<LPARAM>(&cplInfo));
// MSDN documentation says CPL_INQUIRE returns zero upon success. But, for some reason,
// it returns non-zero for some cpl (e.g. main.cpl). We will ignore the return value.
WCHAR cplNameBuffer[256];
const int nCopied = LoadStringW(hLibInst, cplInfo.idName, cplNameBuffer, sizeof(cplNameBuffer) / sizeof(WCHAR));
if (nCopied == 0)
{
qDebug() << "Unable to load string for" << libCpl.fileName() << i;
continue;
}
const QString cplName = QString::fromWCharArray(cplNameBuffer, nCopied);
db.add(cplName, cplName,
controlExePath,
{ libCpl.fileName() + ",@" + QString::number(i) }
);
}
if (nDialogs)
dbLock.unlock();
callCplExit.doNow();
return true;
}
