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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#include <gras/factory.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>
#include <stdexcept>
#include <map>
using namespace gras;
FactoryRegistryEntry::FactoryRegistryEntry(void)
{
//NOP
}
FactoryRegistryEntry::~FactoryRegistryEntry(void)
{
//NOP
}
typedef std::map<std::string, boost::shared_ptr<FactoryRegistryEntry> > FactoryRegistryType;
static FactoryRegistryType &get_factory_registry(void)
{
static FactoryRegistryType r;
return r;
}
static boost::mutex mutex;
void Factory::_register_make(const std::string &name, void *entry)
{
boost::mutex::scoped_lock l(mutex);
if (get_factory_registry().count(name) != 0)
{
throw std::invalid_argument("Factory - function already registered for name: " + name);
}
get_factory_registry()[name].reset(reinterpret_cast<FactoryRegistryEntry *>(entry));
}
Element *Factory::_make(const std::string &name, const PMCC &args)
{
boost::mutex::scoped_lock l(mutex);
if (get_factory_registry().count(name) == 0)
{
throw std::invalid_argument("Factory - no function registered for name: " + name);
}
return get_factory_registry()[name]->make(args);
}
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