1 #include <stdio.h>

2 #include <string.h>

3 #include "datapath.h"

4

5 template <typename T>

6 DataSet<T>::DataSet(T (*load_func)(const char*), void (*destr_func)(T))

7 {

8 load = load_func;

9 destroy = destr_func;

10 }

11

12 template <typename T>

13 DataSet<T>::~DataSet()

14 {

15 clear();

16 }

17

18 template <typename T>

19 void DataSet<T>::clear()

20 {

21 if(destroy) {

22 typename std::map<std::string, T>::iterator it = data.begin();

23 while(it != data.end()) {

24 destroy(it++->second);

25 }

26 }

27 data.clear();

28 }

29

30 template <typename T>

31 T DataSet<T>::get(const char *name) const

32 {

33 typename std::map<std::string, T>::const_iterator iter = data.find(name);

34 if(iter != data.end()) {

35 return iter->second;

36 }

37

38 const char *fname, *slash;

39 if((slash = strrchr(name, '/'))) {

40 fname = slash + 1;

41 } else {

42 fname = name;

43 }

44

45 std::string path = datafile_path(fname);

46 if(path.empty()) {

47 fprintf(stderr, "can't find data file: %s\n", name);

48 return 0;

49 }

50

51 T res = load(path.c_str());

52 if(res) {

53 data[name] = res;

54 }

55 return res;

56 }