Added getKeys() and getValues() which return int[]s.

Full revamp of this class pending.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1062 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/util/IntIntMap.java

@@ -1,5 +1,5 @@
 //
-// $Id: IntIntMap.java,v 1.3 2001/08/11 22:43:29 mdb Exp $
+// $Id: IntIntMap.java,v 1.4 2003/03/05 02:51:33 ray Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -147,6 +147,38 @@ public class IntIntMap
 	return new Enumerator(_buckets, false);
     }
 
+    /**
+     * Get an array of the unique keys in this map.
+     */
+    public int[] getKeys ()
+    {
+        return toIntArray(true);
+    }
+
+    /**
+     * Get an array of the values that may be in this map.
+     * There may be duplicates.
+     */
+    public int[] getValues ()
+    {
+        return toIntArray(false);
+    }
+
+    protected int[] toIntArray (boolean keys)
+    {
+        int[] ret = new int[_size];
+
+        int dex = 0;
+        for (int ii=0, nn=_buckets.length; ii < nn; ii++) {
+            Record r = _buckets[ii];
+            while (r != null) {
+                ret[dex++] = keys ? r.key : r.value;
+                r = r.next;
+            }
+        }
+        return ret;
+    }
+
     class Record
     {
 	public Record next;