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111 lines
2.4 KiB
111 lines
2.4 KiB
///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2001, Microsoft Corporation All rights reserved.
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//
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// Module Name:
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//
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// ComponentList.h
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//
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// Abstract:
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//
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// This file contains the Component List object definition.
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//
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// Revision History:
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//
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// 2001-06-20 lguindon Created.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _COMPONENTLIST_H_
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#define _COMPONENTLIST_H_
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///////////////////////////////////////////////////////////////////////////////
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//
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// Includes Files.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "infparser.h"
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#include "Component.h"
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///////////////////////////////////////////////////////////////////////////////
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//
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// Class definition.
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//
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///////////////////////////////////////////////////////////////////////////////
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class ComponentList
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{
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public:
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ComponentList()
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{
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m_Head = NULL;
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m_Tail = NULL;
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m_Entries = 0;
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};
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~ComponentList()
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{
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Component* temp;
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while ((temp = getFirst()) != NULL)
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{
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remove(temp);
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}
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};
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DWORD getComponentNumber() { return (m_Entries); };
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Component* getFirst() { return (m_Head); };
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void add(Component* item)
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{
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if ((m_Tail == NULL) && (m_Head == NULL))
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{
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m_Tail = item;
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m_Head = item;
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}
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else
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{
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item->setPrevious(m_Tail);
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m_Tail->setNext(item);
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m_Tail = item;
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}
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m_Entries++;
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};
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void remove(Component* item)
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{
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if ((m_Tail == m_Head) && (m_Tail == item))
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{
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m_Tail = NULL;
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m_Head = NULL;
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}
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else
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{
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if (m_Head = item)
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{
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m_Head = item->getNext();
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(item->getNext())->setPrevious(NULL);
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}
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else if (m_Tail = item)
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{
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m_Tail = item->getPrevious();
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(item->getPrevious())->setNext(NULL);
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}
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else
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{
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(item->getPrevious())->setNext(item->getNext());
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(item->getNext())->setPrevious(item->getPrevious());
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}
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}
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delete item;
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item = NULL;
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m_Entries--;
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};
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private:
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Component *m_Head;
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Component *m_Tail;
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DWORD m_Entries;
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};
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#endif //_COMPONENTLIST_H_
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