hxset.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxset.h,v 1.1.1.1.50.3 2004/07/09 01:45:51 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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