nuclear@0: #include <stdio.h>
nuclear@0: #include <string.h>
nuclear@0: #include "datapath.h"
nuclear@0: 
nuclear@0: template <typename T>
nuclear@0: DataSet<T>::DataSet(T (*load_func)(const char*), void (*destr_func)(T))
nuclear@0: {
nuclear@0: 	load = load_func;
nuclear@0: 	destroy = destr_func;
nuclear@0: }
nuclear@0: 
nuclear@0: template <typename T>
nuclear@0: DataSet<T>::~DataSet()
nuclear@0: {
nuclear@0: 	clear();
nuclear@0: }
nuclear@0: 
nuclear@0: template <typename T>
nuclear@0: void DataSet<T>::clear()
nuclear@0: {
nuclear@0: 	if(destroy) {
nuclear@0: 		typename std::map<std::string, T>::iterator it = data.begin();
nuclear@0: 		while(it != data.end()) {
nuclear@0: 			destroy(it++->second);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 	data.clear();
nuclear@0: }
nuclear@0: 
nuclear@0: template <typename T>
nuclear@0: T DataSet<T>::get(const char *name) const
nuclear@0: {
nuclear@0: 	typename std::map<std::string, T>::const_iterator iter = data.find(name);
nuclear@0: 	if(iter != data.end()) {
nuclear@0: 		return iter->second;
nuclear@0: 	}
nuclear@0: 
nuclear@5: 	std::string path = datafile_path(name);
nuclear@0: 	if(path.empty()) {
nuclear@0: 		fprintf(stderr, "can't find data file: %s\n", name);
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	T res = load(path.c_str());
nuclear@0: 	if(res) {
nuclear@0: 		data[name] = res;
nuclear@0: 	}
nuclear@0: 	return res;
nuclear@0: }