Recovered from microbel

common/lib/utils/crossindex.C

@@ -0,0 +1,64 @@
+/*
+ * PVVMUD a 3D MUD
+ * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#include <stdlib.h>
+#include "mudtypes.h"
+#include "crossindex.H"
+
+CCrossIndexItem::CCrossIndexItem(int indexA,int indexB) {
+  next = NULL;
+  this->indexA = indexA;
+  this->indexB = indexB;
+}
+
+CCrossIndexItem * CCrossIndex::add(int indexA,int indexB){
+  CCrossIndexItem *newItem = new CCrossIndexItem(indexA,indexB);
+
+  newItem->setNext(first);
+  first=newItem;
+
+  return newItem;
+
+}
+
+int CCrossIndex::getA(int indexB){
+  CCrossIndexItem * currItem;
+
+  currItem = first;
+
+  while (currItem != NULL) {
+    if (currItem->getIndexB() == indexB) return currItem->getIndexA();
+    currItem = currItem->getNext();
+  }
+
+  return -1;
+}
+
+int CCrossIndex::getB(int indexA){
+  CCrossIndexItem * currItem;
+
+  currItem = first;
+
+  while (currItem != NULL) {
+    if (currItem->getIndexA() == indexA) return currItem->getIndexB();
+    currItem = currItem->getNext();
+  }
+
+  return -1;
+}