#include "lid.h"


LIDmap::LIDmap()
{
  // Start LIDs at 1 so we can reserve 0 for unassigned
  m_lid = 1;
  m_uiArraySize = 0;
  m_pPtrArray = NULL;
}

LIDmap::~LIDmap()
{
  delete [] m_pPtrArray;
}

VOID LIDmap::Init(UINT_32 size)
{
  ASSERT(m_pPtrArray == NULL);
  UINT_32 i;

  m_pPtrArray = new VOID * [size];
  for (i = 0; i < m_uiArraySize; i++) 
	{
	  m_pPtrArray[i] = NULL;
	}
  m_uiArraySize = size;
}


VOID LIDmap::SetPtr(LID lid, VOID *ptr)
{
  if (lid >= m_uiArraySize) 
	{
	if (m_uiArraySize == 0) 
	  Init();
	else if (lid >= (2 * m_uiArraySize))
	  ExpandArray(2 * lid);
	else
	  ExpandArray(2 * m_uiArraySize);
	}

  ASSERT(lid < m_uiArraySize);
  m_pPtrArray[lid] = ptr;

}

/*
VOID LIDmap::DoubleArray()
{
  ASSERT(m_uiArraySize > 0);

  VOID **pNewData;
  pNewData = new VOID * [2 * m_uiArraySize];

  UINT_32 i;
  for (i = 0; i < m_uiArraySize; i++) 
	{
	  pNewData[i] = m_pPtrArray[i];
	}
  for (i = m_uiArraySize; i < 2 * m_uiArraySize; i++) 
	{
	  pNewData[i] = NULL;
	}

  delete m_pPtrArray;
  m_uiArraySize = 2 * m_uiArraySize;
  m_pPtrArray = pNewData;
}
*/

VOID LIDmap::ExpandArray(LID lid)
{
  ASSERT(m_uiArraySize > 0);
  ASSERT(lid > m_uiArraySize);

  VOID **pNewData;
  pNewData = new VOID * [lid];

  UINT_32 i;
  for (i = 0; i < m_uiArraySize; i++) 
	{
	  pNewData[i] = m_pPtrArray[i];
	}
  for (i = m_uiArraySize; i < lid; i++) 
	{
	  pNewData[i] = NULL;
	}

  delete m_pPtrArray;
  m_uiArraySize = lid;
  m_pPtrArray = pNewData;
}