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

cde/programs/nsgmls/HashTable.h

@@ -0,0 +1,69 @@
+/* $XConsortium: HashTable.h /main/1 1996/07/29 16:52:57 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef HashTable_INCLUDED
+#define HashTable_INCLUDED 1
+
+#include <stddef.h>
+#include "OwnerTable.h"
+#include "Hash.h"
+#include "Boolean.h"
+#include "HashTableItemBase.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+template<class K, class V>
+class HashTableItem : public HashTableItemBase<K> {
+public:
+  HashTableItem(const K &k, const V &v);
+  HashTableItemBase<K> *copy() const;
+  V value;
+};
+
+template<class K, class V> class HashTableIter;
+
+template<class K, class V>
+class HashTable {
+public:
+  HashTable() { }
+  void insert(const K &key, const V &value, Boolean replace = 1);
+  const V *lookup(const K &key) const {
+    HashTableItem<K, V> *tem = (HashTableItem<K, V> *)table_.lookup(key);
+    return tem ? &tem->value : 0;
+  }
+  size_t count() const { return table_.count(); }
+private:
+  CopyOwnerTable<HashTableItemBase<K>, K, Hash, HashTableKeyFunction<K> > table_;
+friend class HashTableIter<K,V>;
+};
+
+template<class K, class V>
+class HashTableIter {
+public:
+  HashTableIter(const HashTable<K, V> &table) : iter_(table.table_) { }
+  Boolean next(const K *&key, const V *&value) {
+    HashTableItem<K, V> *p = (HashTableItem<K, V> *)iter_.next();
+    if (p) {
+      key = &p->key;
+      value = &p->value;
+      return 1;
+    }
+    else
+      return 0;
+  }
+private:
+  OwnerTableIter<HashTableItemBase<K>, K, Hash, HashTableKeyFunction<K> > iter_;
+};
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not HashTable_INCLUDED */
+
+#ifdef SP_DEFINE_TEMPLATES
+#include "HashTable.C"
+#endif