2025-04-27 07:49:33 -04:00

115 lines
2.2 KiB
C++

#ifndef _SLIST_H
#define _SLIST_H
//////////////////////////////////////////////////////////////////////
//
// slist.h: template for the SingleList class.
//
//////////////////////////////////////////////////////////////////////
#include "csem.h"
#include "sitem.h"
template <class T> class CSingleList
: public CCriticalSection
{
public:
CSingleList( void );
~CSingleList( void );
BOOL Insert ( T);
BOOL Delete ( T);
virtual T Find (T );
private:
CSingleItem <T> m_Dummy;
};
//////////////////////////////////////////////////////////////////////
// Template for CSIngleList
//////////////////////////////////////////////////////////////////////
template <class T>
CSingleList<T>::CSingleList<T>(void)
:m_Dummy ()
{
}
template <class T>
CSingleList<T>::~CSingleList<T>(void)
{
CSingleItem<T> *pItem = m_Dummy.GetNext();
CSingleItem<T> *pNext;
while (pItem) {
pNext = pItem->GetNext();
delete pItem;
pItem = pNext;
}
}
template <class T>
BOOL CSingleList<T>::Insert (T item)
{
BOOL bRet = FALSE;
Lock();
CSingleItem<T> *pNewItem = new CSingleItem<T> (item, m_Dummy.GetNext());
if (pNewItem) {
m_Dummy.SetNext (pNewItem);
bRet = TRUE;
}
Unlock();
return bRet;
}
template <class T>
BOOL CSingleList<T>::Delete (T item)
{
CSingleItem<T> *pHead = &m_Dummy;
CSingleItem<T> *pItem;
BOOL bRet = FALSE;
Lock();
while (pItem = pHead->GetNext()) {
if (pItem->IsSame (item)) {
// Delete it
pHead->SetNext (pItem->GetNext ());
delete (pItem);
bRet = TRUE;
break;
}
pHead = pHead->GetNext();
}
Unlock();
return FALSE;
}
template <class T>
T CSingleList<T>::Find (T item)
{
Lock();
CSingleItem<T> *pItem = m_Dummy.GetNext();
while (pItem) {
if (pItem->IsSame (item)) {
Unlock ();
return pItem->GetData();
}
pItem = pItem->GetNext();
}
Unlock ();
return NULL;
}
#endif