hxset.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _HXSET_H
- #define _HXSET_H
- #include "hxmap.h"
- class CHXSet
- {
- public:
- CHXSet(void);
- ~CHXSet(void);
- // Attributes
- // number of elements
- int GetCount() const;
- BOOL IsEmpty() const;
- // member management
- void Add(void* pMember);
- BOOL Remove(void* pMember);
- void RemoveAll();
- BOOL Lookup(void *pMember);
- // iteration methods/object
- POSITION GetStartPosition() const;
- void *GetNext(POSITION& rNextPosition) const;
- class Iterator
- {
- public:
- friend class CHXSet;
- // standard iteration methods
- Iterator();
- Iterator& operator++();
- BOOL operator==(const Iterator& iter) const;
- BOOL operator!=(const Iterator& iter) const;
- void* operator*();
- private:
- Iterator(CHXSet* pSet, POSITION node);
- // iteration state members
- POSITION m_Node;
- POSITION m_NextNode;
- void* m_pValue;
- CHXSet* m_pSet;
- };
- // begin the iteration
- Iterator Begin();
- Iterator End();
- private:
- CHXMapPtrToPtr m_Map; // the map we currently use
- };
- inline CHXSet::CHXSet(void) : m_Map()
- {
- }
- inline CHXSet::~CHXSet(void)
- {
- }
- inline int CHXSet::GetCount(void) const
- {
- return(m_Map.GetCount());
- }
- inline BOOL CHXSet::IsEmpty(void) const
- {
- return(m_Map.IsEmpty());
- }
- inline void CHXSet::Add(void *pMember)
- {
- m_Map.SetAt(pMember, NULL);
- }
- inline BOOL CHXSet::Remove(void *pMember)
- {
- return(m_Map.RemoveKey(pMember));
- }
- inline void CHXSet::RemoveAll(void)
- {
- m_Map.RemoveAll();
- }
- inline POSITION CHXSet::GetStartPosition(void) const
- {
- return(m_Map.GetStartPosition());
- }
- inline void* CHXSet::GetNext(POSITION &rNextPosition) const
- {
- void *pMember = NULL;
- void *pTemp;
- m_Map.GetNextAssoc(rNextPosition, pMember, pTemp);
- return(pMember);
- }
- inline CHXSet::Iterator::Iterator(CHXSet* pSet, POSITION node)
- : m_Node(node),
- m_NextNode(node),
- m_pSet(pSet),
- m_pValue(NULL)
- {
- if (m_Node)
- m_pValue = m_pSet->GetNext(m_NextNode);
- }
- inline BOOL CHXSet::Iterator::operator==(const CHXSet::Iterator& iter) const
- {
- return (m_Node == iter.m_Node);
- }
- inline BOOL CHXSet::Iterator::operator!=(const CHXSet::Iterator& iter) const
- {
- return !(*this == iter);
- }
- inline void* CHXSet::Iterator::operator*()
- {
- return(m_pValue);
- }
- inline
- CHXSet::Iterator& CHXSet::Iterator::operator++()
- {
- m_Node = m_NextNode;
- if (m_Node)
- m_pValue = m_pSet->GetNext(m_NextNode);
- return *this;
- }
- inline CHXSet::Iterator CHXSet::Begin()
- {
- return Iterator(this, GetStartPosition());
- }
- inline CHXSet::Iterator CHXSet::End()
- {
- return Iterator(this, 0);
- }
- #endif // _HXSET_H