//---------------------------------------------------------------------------
// ARRAY_P.h : CPtrArray header file
//
// Copyright (c) 1996 Microsoft Corporation, All Rights Reserved
// Developed by Sheridan Software Systems, Inc.
//---------------------------------------------------------------------------


#ifndef __CPTRARRAY__
#define __CPTRARRAY__

////////////////////////////////////////////////////////////////////////////

class CPtrArray
{

public:

// Construction
	CPtrArray();

// Attributes
	int GetSize() const;
	int GetUpperBound() const;
	void 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
	void SetAtGrow(int nIndex, void* newElement);
	int 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
	void 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();
//#ifdef _DEBUG
//	void Dump(CDumpContext&) const;
//	void AssertValid() const;
//#endif

protected:
	// local typedefs for class templates
//	typedef void* BASE_TYPE;
//	typedef void* BASE_ARG_TYPE;
};
////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////

#endif //__CPTRARRAY__