//Copyright (c) 1998 - 1999 Microsoft Corporation
/*********************************************************************************************
*
*
* Module Name: 
*
*			Ptrarray.h
*
* Abstract:
*			This is file has declaration of CPtrArray class borrowed from MFC
* 
* Author:
*
* 
* Revision:  
*    
*
************************************************************************************************/


#ifndef PTRARRAY_H_
#define PTRARRAY_H_

class CPtrArray 
{
public:

// Construction
	CPtrArray();

// Attributes
	int GetSize() const;
	int GetUpperBound() const;
	BOOL SetSize(int nNewSize, int nGrowBy = -1);

// Operations
	// Clean up
	void FreeExtra();
	void RemoveAll();

	// Accessing elements
	void* GetAt(int nIndex) const;
	void SetAt(int nIndex, void* newElement);
	void*& ElementAt(int nIndex);

	// Direct Access to the element data (may return NULL)
	const void** GetData() const;
	void** GetData();

	// Potentially growing the array
	BOOL SetAtGrow(int nIndex, void* newElement);
	BOOL Add(void* newElement);
	int Append(const CPtrArray& src);
	void Copy(const CPtrArray& src);

	// overloaded operator helpers
	void* operator[](int nIndex) const;
	void*& operator[](int nIndex);

	// Operations that move elements around
	BOOL InsertAt(int nIndex, void* newElement, int nCount = 1);
	void RemoveAt(int nIndex, int nCount = 1);
	void InsertAt(int nStartIndex, CPtrArray* pNewArray);

// Implementation
protected:
	void** m_pData;   // the actual array of data
	int m_nSize;     // # of elements (upperBound - 1)
	int m_nMaxSize;  // max allocated
	int m_nGrowBy;   // grow amount

public:
	~CPtrArray();
protected:
	// local typedefs for class templates
//	typedef void* BASE_TYPE;
//	typedef void* BASE_ARG_TYPE;
};

#endif