product_type* create_object(const key_type& key,const std::string& file)
{
typename product_map::const_iterator pos=map_.find(key);
if (pos!=map_.end())
{
return (pos->second)(file);
}
return on_unknown_type(key);
}
product_type* create_object(key_type const& key, Args...args)
{
typename product_map::const_iterator pos=map_.find(key);
if (pos!=map_.end())
{
return (pos->second)(args...);
}
return 0;
}
product_type* create_object(const key_type& key, char const* data, std::size_t size)
{
typename product_map::const_iterator pos=map_.find(key);
if (pos!=map_.end())
{
return (pos->second)(data, size);
}
return 0;
}
bool unregister_product(const key_type& key)
{
return map_.erase(key)==1;
}
bool register_product(const key_type& key,product_creator creator)
{
return map_.insert(typename product_map::value_type(key,creator)).second;
}
