Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: gennodelist.h,v 2.2 1998/07/13 16:53:34 urbi Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+
+#ifndef gennodelist_h
+#define gennodelist_h
+
+/*
+* NIST Utils Class Library
+* clutils/gennodelist.h
+* May 1995
+* David Sauder
+* K. C. Morris
+
+* Development of this software was funded by the United States Government,
+* and is not subject to copyright.
+*/
+
+/*   */ 
+
+#ifdef __O3DB__
+#include <OpenOODB.h>
+#endif
+
+#ifdef WIN32
+#  include "G4ios.hh"
+#else
+#  include <stream.h>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// class GenNodeList
+// this class implements a doubly linked List by default.
+// If you delete this object it does not delete all of its entries,
+// only its head.  If you want it to delete all of its entries as well
+// as its head, you need to call DeleteEntries().
+//////////////////////////////////////////////////////////////////////////////
+
+class GenNodeList {
+public:
+    GenNodeList(GenericNode *headNode);
+    virtual ~GenNodeList() { delete head; }
+
+    GenericNode *GetHead()	{ return head; }
+
+    virtual void ClearEntries(){;}
+    virtual void DeleteEntries(){;}
+		// deletes node from its previous List & appends
+    virtual void Append(GenericNode *node);
+		// deletes newNode from its previous List & inserts in
+		//	relation to existNode
+    virtual void InsertAfter(GenericNode *newNode, GenericNode *existNode);
+    virtual void InsertBefore(GenericNode *newNode, GenericNode *existNode);
+
+    virtual void Remove(GenericNode *node){ if (node) node->Remove(); }
+
+protected:
+    GenericNode *head;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+// class GenNodeList inline functions
+// these functions don't rely on any inline functions (its own or
+//	other classes) that aren't in this file
+//////////////////////////////////////////////////////////////////////////////
+
+inline GenNodeList::GenNodeList(GenericNode *headNode)
+{
+    head = headNode;
+    head->next = head;
+    head->prev = head;
+}
+
+		// inserts after existNode
+inline void GenNodeList::InsertAfter(GenericNode *newNode, 
+				     GenericNode *existNode)
+{
+    newNode->next = existNode->next;
+    newNode->next->prev = newNode;
+
+    newNode->prev = existNode;
+    existNode->next = newNode;
+}
+
+		// inserts before existNode
+inline void GenNodeList::InsertBefore(GenericNode *newNode, 
+				      GenericNode *existNode)
+{
+    existNode->prev->next = newNode;
+    newNode->prev = existNode->prev;
+
+    newNode->next = existNode;
+    existNode->prev = newNode;
+}
+
+		// inserts before the head node
+inline void GenNodeList::Append(GenericNode *node)
+{
+    InsertBefore(node, head);
+}
+
+#endif