70 lines
1.1 KiB
C++
70 lines
1.1 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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//
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//-----------------------------------------------------------------------------
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// $Log: $
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef ARRAYSTACK_H
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#define ARRAYSTACK_H
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#pragma once
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#include <assert.h>
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#include "List.h"
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template <class T> class ArrayStack
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{
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protected:
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T *data;
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int m_stackDepth;
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int m_maxNumElements;
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public:
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ArrayStack( int maxNumElements )
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{
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data = new T[maxNumElements];
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m_maxNumElements = maxNumElements;
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m_stackDepth = 0;
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assert( data );
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}
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void Push( T elem )
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{
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data[m_stackDepth++] = elem;
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if( m_stackDepth > m_maxNumElements )
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{
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printf( "ArrayStack overflow\n" );
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assert( 0 );
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}
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}
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T Pop( void )
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{
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if( m_stackDepth == 0 )
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{
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printf( "ArrayStack underflow\n" );
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assert( 0 );
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}
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return data[--m_stackDepth];
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}
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bool IsEmpty()
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{
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return ( m_stackDepth == 0 );
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}
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int GetDepth()
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{
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return m_stackDepth;
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}
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};
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#endif // ARRAYSTACK_H
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