*/
#include <string>
+#include <map>
#include <stdexcept>
#include "registrar.h"
registered_class_info *first_registered_class = NULL;
/** Find registered_class_info strucure by class name. */
-static inline registered_class_info *find_registered_class_info(const std::string &class_name)
+static const registered_class_info *find_registered_class_info(const std::string &class_name)
{
- registered_class_info *p = first_registered_class;
- while (p) {
- if (class_name == p->name)
- return p;
- p = p->next;
+ // Use a map for faster lookup. The registered_class_info list doesn't
+ // change at run-time, so it's sufficient to construct the map once
+ // on the first trip through this function.
+ typedef std::map<std::string, const registered_class_info *> name_map_type;
+ static name_map_type name_map;
+ static bool name_map_initialized = false;
+
+ if (!name_map_initialized) {
+ // Construct map
+ const registered_class_info *p = first_registered_class;
+ while (p) {
+ name_map[p->name] = p;
+ p = p->next;
+ }
+ name_map_initialized = true;
}
- throw (std::runtime_error("class '" + class_name + "' not registered"));
+
+ name_map_type::const_iterator it = name_map.find(class_name);
+ if (it == name_map.end())
+ throw (std::runtime_error("class '" + class_name + "' not registered"));
+ else
+ return it->second;
}
unsigned int find_tinfo_key(const std::string &class_name)
{
- registered_class_info *p = find_registered_class_info(class_name);
+ const registered_class_info *p = find_registered_class_info(class_name);
return p->tinfo_key;
}
unarch_func find_unarch_func(const std::string &class_name)
{
- registered_class_info *p = find_registered_class_info(class_name);
+ const registered_class_info *p = find_registered_class_info(class_name);
return p->unarchive;
}