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