flower/include/dictionary.hh

   1 /*
   2   dictionary.hh -- declare Dictionary
   3
   4   source file of the Flower Library
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef DICTIONARY_HH
  11 #define DICTIONARY_HH
  12
  13 #include <map>
  14
  15
  16 #include "string.hh"
  17 #include "array.hh"
  18
  19
  20 unsigned int string_hash (String);
  21
  22 template <class V>
  23 struct Dict_initialiser
  24 {
  25   char *key_;
  26   V value_;
  27 };
  28
  29
  30 /*
  31   interface to STL function.
  32  */
  33
  34 template <class V>
  35 class Dictionary : public std::map<String, V> //map<String, V>
  36 {
  37 public:
  38   Dictionary ()
  39     {
  40     }
  41   Dictionary (Dict_initialiser<V> *p)
  42     {
  43       hash_func_ = string_hash;
  44       for (Dict_initialiser<V> *q = p; q->key_; q++)
  45  (*this) [q->key_] = q->value_;
  46
  47     }
  48   bool elem_b (String s)
  49   {
  50     typename std::map<String,V>::const_iterator ki (find (s));
  51     return ki != end ();
  52   }
  53
  54 };
  55
  56
  57 #endif // DICTIONARY_HH