1 /** DataSet is a generic resource database with fast O(logn) lookups by name

2 * it can be used for texture managers, mesh managers, sound effect managers etc

3 *

4 * The constructor takes a load function and a destructor function to be called

5 * when a nonexistent resource is requested and needs to be loaded, and when

6 * the DataSet is destroyed. The destructor is optional and can be set to null

7 * if not needed.

8 *

9 * Requesting a resource works by simply calling get, example:

10 * ----------------------------------------------------------

11 * \code

12 * Texture *load_texture(const char *fname);

13 * void free_texture(Texture *tex);

14 *

15 * DataSet<Texture*> texman(load_texture, free_texture);

16 * Texture *foo = texman.get("foo.png");

17 * \endcode

18 */

19 #ifndef DATASET_H_

20 #define DATASET_H_

21

22 #include <string>

23 #include <map>

24

25 template <typename T>

26 class DataSet {

27 protected:

28 mutable std::map<std::string, T> data;

29

30 T (*load)(const char*);

31 void (*destroy)(T);

32

33 public:

34 DataSet(T (*load_func)(const char*), void (*destr_func)(T) = 0);

35 ~DataSet();

36

37 void clear();

38

39 T get(const char *name) const;

40 };

41

42 #include "dataset.inl"

43

44 #endif // DATASET_H_