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83 lines
2.3 KiB
83 lines
2.3 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORP., 1993-1995
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* TITLE: VEC.H
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* VERSION: 1.0
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* AUTHOR: jsenior
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* DATE: 10/28/1998
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*
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********************************************************************************
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*
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* CHANGE LOG:
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*
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* DATE REV DESCRIPTION
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* ---------- ------- ----------------------------------------------------------
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* 10/28/1998 jsenior Original implementation.
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*
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*******************************************************************************/
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#ifndef _VEC_H
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#define _VEC_H
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//#include "debug.h"
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#include <assert.h>
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template<class T>
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class _VecElement {
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public:
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_VecElement() { data = NULL; next = NULL; prev = NULL; }
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_VecElement(T& newElement, _VecElement* oldElement) {
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data = new T;
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assert(data);
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*data = newElement;
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// CopyMemory(data, &newElement, sizeof(T));
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next = oldElement;
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prev = NULL;
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if (oldElement) { oldElement->prev = this; } }
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~_VecElement() {
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if (prev) { prev->next = next; }
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if (next) { next->prev = prev; }
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delete data;
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data = NULL; }
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T* GetData() { return data; }
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_VecElement* GetNext() { return next; }
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private:
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T* data;
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_VecElement *next;
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_VecElement *prev;
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};
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template<class T>
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class _Vec {
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public:
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_Vec() { first = NULL; current = NULL; }
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~_Vec() { clear(); }
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void clear() {
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if (first) {
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_VecElement<T> *temp = first->GetNext();
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for ( ; first; first = temp) {
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temp = first->GetNext();
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delete first; } }
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}
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void push_back(T &element) {
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first = new _VecElement<T>(element, first);
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assert(first); }
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T* begin() {
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current = first;
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return current ? current->GetData() : NULL; }
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T* next() {
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current = current->GetNext();
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return Current(); }
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T* Current() { return current ? current->GetData() : NULL; }
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void eraseCurrent() {
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if (current == first && first) { first = first->GetNext(); }
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delete current;
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current = first; }
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BOOL empty() { return first ? FALSE : TRUE; }
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private:
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_VecElement<T>* first;
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_VecElement<T>* current;
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};
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#endif // _VEC_H
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