Gabriele Cosmo
75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
#ifndef singlelinklist_h
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#define singlelinklist_h
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/*
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* NIST STEP Core Class Library
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* clstepcore/SingleLinkList.h
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* April 1997
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* David Sauder
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* KC Morris
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* Development of this software was funded by the United States Government,
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* and is not subject to copyright.
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*/
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/* $Id: SingleLinkList.h,v 1.3 2000/01/21 13:42:37 gcosmo Exp $ */
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#ifdef __OSTORE__
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#include <ostore/ostore.hh> // Required to access ObjectStore Class Library
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#endif
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#ifdef __O3DB__
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#include <OpenOODB.h>
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#endif
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class SingleLinkList {
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// node which represents the value is contained in the subclass
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// since it may have different types for different lists
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protected:
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class SingleLinkNode * head;
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SingleLinkNode * tail;
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public:
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virtual SingleLinkNode *NewNode();
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virtual void AppendNode (SingleLinkNode *);
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virtual void DeleteNode (SingleLinkNode *);
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virtual void Empty ();
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virtual void DeleteFollowingNodes (SingleLinkNode *);
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virtual SingleLinkNode * GetHead () const;
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int EntryCount() const;
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SingleLinkList ();
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virtual ~SingleLinkList ();
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#ifdef __OSTORE__
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static os_typespec* get_os_typespec();
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#endif
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}
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;
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class SingleLinkNode {
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friend class SingleLinkList;
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protected:
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public:
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SingleLinkList *owner;
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SingleLinkNode *next;
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virtual SingleLinkNode *NextNode () const;
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SingleLinkNode() : owner(0), next(0) { }
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virtual ~SingleLinkNode() { }
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#ifdef __OSTORE__
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static os_typespec* get_os_typespec();
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#endif
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};
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#endif
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