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106 lines
1.7 KiB
106 lines
1.7 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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All rights reserved.
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Module Name:
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slist.inl
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Abstract:
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Single linked list template class.
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Author:
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Weihai Chen (WeihaiC) 06/29/98
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Revision History:
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--*/
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template <class T>
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CSingleList<T>::CSingleList<T>(void)
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:m_Dummy ()
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{
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}
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template <class T>
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CSingleList<T>::~CSingleList<T>(void)
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{
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Lock ();
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CSingleItem<T> *pItem = m_Dummy.GetNext();
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CSingleItem<T> *pNext;
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while (pItem) {
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pNext = pItem->GetNext();
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delete pItem;
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pItem = pNext;
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}
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Unlock ();
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}
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template <class T>
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BOOL CSingleList<T>::Insert (T item)
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{
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BOOL bRet = FALSE;
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Lock();
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CSingleItem<T> *pNewItem = new CSingleItem<T> (item, m_Dummy.GetNext());
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if (pNewItem) {
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m_Dummy.SetNext (pNewItem);
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bRet = TRUE;
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}
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Unlock();
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return bRet;
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}
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template <class T>
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BOOL CSingleList<T>::Delete (T item)
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{
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CSingleItem<T> *pHead = &m_Dummy;
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CSingleItem<T> *pItem;
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BOOL bRet = FALSE;
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Lock();
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while (pItem = pHead->GetNext()) {
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if (pItem->IsSame (item)) {
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// Delete it
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pHead->SetNext (pItem->GetNext ());
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delete (pItem);
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bRet = TRUE;
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break;
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}
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pHead = pHead->GetNext();
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}
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Unlock();
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return FALSE;
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}
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template <class T>
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T CSingleList<T>::Find (T item)
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{
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Lock();
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CSingleItem<T> *pItem = m_Dummy.GetNext();
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while (pItem) {
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if (pItem->IsSame (item)) {
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Unlock ();
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return pItem->GetData();
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}
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pItem = pItem->GetNext();
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}
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Unlock ();
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return NULL;
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}
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