Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/dti_cc/cc_hdict.h

@@ -0,0 +1,109 @@
+/* $XConsortium: cc_hdict.h /main/5 1996/08/21 15:49:02 drk $ */
+
+#ifndef _cc_hdict_h
+#define _cc_hdict_h 1
+
+#include "dti_cc/types.h"
+#include "dti_cc/cc_pvect.h"
+#include "dti_cc/CC_Slist.h"
+
+#include <iostream.h>
+
+template <class K, class V> 
+class kv_pair {
+public:
+
+   static CC_Boolean f_needRemove;
+
+   kv_pair(K* k, V* v = 0): f_key(k), f_value(v) {};
+   ~kv_pair();
+
+   unsigned int operator==(const kv_pair<K, V>&);
+
+#ifdef DEBUG
+   ostream& print(ostream&);
+   friend ostream& operator<<(ostream& out, kv_pair<K, V>& kv) {
+     return kv.print(out);
+   }
+#endif
+
+   K* f_key;
+   V* f_value;
+};
+
+#define DEFAULT_BUCKET_NUM 30
+   
+template <class K, class V> class hashTableIterator;
+
+template <class K, class V> class hashTable
+{
+   //template <class K, class V> 
+   //friend class hashTableIterator;
+
+   friend class hashTableIterator<K, V>;
+
+protected:
+   pointer_vector<CC_TPtrSlist<kv_pair<K, V> > > f_buckets;
+   unsigned (*f_hash_func_ptr)(const K&);
+   size_t f_items;
+
+protected:
+   kv_pair<K, V>* _find(const K* k) const;
+
+public:
+   hashTable(const hashTable <K,V> &);
+   hashTable(unsigned (*)(const K&), 
+             size_t init_bucket_num = DEFAULT_BUCKET_NUM
+            );
+   ~hashTable();
+
+   void clearAndDestroy();
+
+   size_t entries() { return f_items; };
+
+   CC_Boolean contains(const K*) const;
+
+   V* findValue(const K*) const;
+   K* findKeyAndValue(const K*, V*&) const;
+
+   void insertKeyAndValue(K*, V*);
+
+   K* remove(const K*);
+
+#ifdef DEBUG
+   ostream& print(ostream& out);
+
+   friend ostream& operator<<(ostream& out, hashTable<K, V>& ht) {
+    return ht.print(out);
+   };
+#endif
+
+};
+
+template <class K, class V> 
+class hashTableIterator
+{
+protected:
+   size_t f_bucket_num;
+   size_t f_pos;
+   kv_pair<K, V>* f_rec;
+   hashTable<K, V>& f_hashTable;
+
+   CC_Boolean _findNonEmptyBucket();
+   CC_Boolean _findNextRecord();
+
+public:
+   hashTableIterator(hashTable<K, V>&);
+   ~hashTableIterator();
+
+   CC_Boolean operator++();
+   K* key();
+   V* value() const;
+};
+
+#ifdef EXPAND_TEMPLATES
+#include "cc_hdict.C"
+#endif
+
+
+#endif