00001 /* 00002 Copyright (C) 2000 by David Durant 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_CSDLLIST_H__ 00020 #define __CS_CSDLLIST_H__ 00021 00022 #include "cstypes.h" 00023 00028 struct csDLListItem 00029 { 00030 csDLListItem * prevItem; // ptr to previous node 00031 csDLListItem * nextItem; // ptr to next node 00032 void * theObject; // ptr to the object 00033 }; 00034 00035 00041 class csDLinkList 00042 { 00043 private: 00045 csDLListItem* firstItem; 00047 csDLListItem* currentItem; 00049 csDLListItem* FindListItem (void *anObj); 00050 00051 public: 00053 csDLinkList (); 00054 00059 ~csDLinkList (); 00060 00066 bool AddItem (void *theObj); 00067 00072 bool AddCurrentItem (void *theObj); 00073 00075 void RemoveItem (); 00077 void RemoveItem (void *theObj); 00078 00083 void* GetFirstItem (); 00084 00089 void* PeekFirstItem (); 00090 00095 void* GetPrevItem (); 00096 00101 void* GetNextItem (); 00102 00104 void* GetCurrentItem (); 00106 void* SetCurrentItem (void *theObj); 00107 }; 00108 00109 #endif // __CS_CSDLLIST_H__