void Registry::add(const std::string& id, void *factory){
FactoryMap::iterator entry = m_factories.find(id);
if (entry == m_factories.end())
{
// this factory was not known yet
m_factories.insert(std::make_pair(id, FactoryInfo("unknown", factory)));
} else {
entry->second.ptr = factory;
}
}
//------------------------------------------------------------------------
FactoryInfo PluginFactory::info () const noexcept
{
Steinberg::PFactoryInfo i;
factory->getFactoryInfo (&i);
return FactoryInfo (std::move (i));
}
Registry::Registry() {
#ifdef WIN32
const char* envVar = "PATH";
const char sep = ';';
#else
const char* envVar = "LD_LIBRARY_PATH";
const char sep = ':';
#endif
char *search_path = ::getenv(envVar);
if (search_path) {
DEBUGMSG((std::string("searching factories in ") + envVar))
std::string path(search_path);
std::string::size_type pos = 0;
std::string::size_type newpos = 0;
while (pos != std::string::npos) {
std::string dirName;
// get the next entry in the path
newpos = path.find(sep, pos);
if (newpos != std::string::npos) {
dirName = path.substr(pos, newpos - pos);
pos = newpos+1;
} else {
dirName = path.substr(pos);
pos = newpos;
}
DEBUGMSG((std::string(" looking into ") + dirName))
// look for files called "*.factories" in the directory
DIR *dir = opendir(dirName.c_str());
if (dir) {
struct dirent * entry;
while ((entry = readdir(dir))) {
std::string name(entry->d_name);
std::string::size_type extpos = name.find(".components");
if ((extpos != std::string::npos) &&
((extpos+11) == name.size()) &&
((entry->d_type == DT_REG) || (entry->d_type == DT_LNK))) {
DEBUGMSG((std::string(" reading ") + name))
std::ifstream factories((dirName + '/' + name).c_str());
std::string lib, fact;
#ifndef NDEBUG
int factoriesCount = 0;
#endif
while (!factories.eof()) {
std::getline(factories, lib, ':');
if (factories.fail()) break;
std::getline(factories, fact);
if (factories.fail()) break;
m_factories.insert(std::make_pair(fact, FactoryInfo(lib)));
#ifndef NDEBUG
++factoriesCount;
#endif
}
#ifndef NDEBUG
DEBUGSTRM << " found " << factoriesCount\
<< " factories" << std::endl;
#endif
}
}
closedir(dir);
}
}
}
}
