Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1993.
//
// File: genenum.h
//
// Contents: Declaration of a generic enum object and test object.
//
// Classes: CGenEnumObject
//
// Functions:
//
// History: dd-mmm-yy Author Comment
// 23-May-94 kennethm author! author!
//
//--------------------------------------------------------------------------
#ifndef _GENENUM_H
#define _GENENUM_H
//
// This macro allows the code to use a different outputstring function.
//
#define OutputStr(a) OutputString a
//+-------------------------------------------------------------------------
//
// Class: IGenEnum
//
// Purpose: generic enumerator
//
// Interface: Abstract class
//
// History: dd-mmm-yy Author Comment
// 23-May-94 kennethm author
//
// Notes:
//
//--------------------------------------------------------------------------
class IGenEnum
{
public:
STDMETHOD(QueryInterface)(REFIID riid, void **ppvObj) = 0;
STDMETHOD_(ULONG,AddRef)(void) = 0;
STDMETHOD_(ULONG,Release)(void) = 0;
STDMETHOD(Next) (ULONG celt, void *rgelt,
ULONG *pceltFetched) = 0;
STDMETHOD(Skip) (ULONG celt) = 0;
STDMETHOD(Reset) (void) = 0;
STDMETHOD(Clone) (void **ppenum) = 0;
};
//+-------------------------------------------------------------------------
//
// Class: CEnumeratorTest
//
// Purpose: enumerator test class
//
// Interface:
//
// History: dd-mmm-yy Author Comment
// 23-May-94 kennethm author
//
// Notes:
//
//--------------------------------------------------------------------------
class CEnumeratorTest
{
public:
// Constructor
CEnumeratorTest(
void *penum,
size_t ElementSize,
LONG ElementCount,
HRESULT& rhr);
// Test for each enumerator object
HRESULT TestAll(void);
HRESULT TestNext(void);
// NYI! HRESULT TestSkip(void);
// HRESULT TestClone(void);
// HRESULT TestRelease(void);
// For derived classes which know what we are enumerating
virtual BOOL Verify(void *) = 0;
virtual BOOL VerifyAll(void *, LONG);
virtual void CleanUp(void *);
private:
BOOL GetNext(ULONG celt, ULONG* pceltFetched, HRESULT* phresult);
IGenEnum * m_pEnumTest;
size_t m_ElementSize;
LONG m_ElementCount;
};
#endif // !_GENENUM_H